+++ /dev/null
-#!/usr/bin/env python3
-
-import os
-import sys
-
-def print_env_var(name):
- value = os.getenv(name)
- print(f"{name:<16}: {value if value else '<not set>'}")
-
-def main():
- print("=== Python Environment Test ===")
- print(f"Python executable : {sys.executable}")
- print(f"Python version : {sys.version}")
- print()
-
- print("=== Harmony Environment Variables ===")
- for var in ["ROLE", "REPO_HOME", "PYTHON_HOME", "VIRTUAL_ENV", "ENV"]:
- print_env_var(var)
-
- print()
- print("=== Current Working Directory ===")
- print(os.getcwd())
-
-if __name__ == "__main__":
- main()
--- /dev/null
+#!/usr/bin/env -S python3 -B
+"""
+Planner.py — plan builder for staged configuration (UNPRIVILEGED).
+
+Given: runner-side provenance (PlanProvenance) and optional defaults (WriteFileMeta).
+Does: expose Planner whose command methods (copy/displace/delete) build Command entries,
+ resolving arguments with precedence: kwarg > per-call WriteFileMeta > planner default
+ (and for filename, fallback to provenance-derived basename). On any argument error,
+ the Command is returned with errors and NOT appended to the Journal.
+Returns: Journal (model only; dict in/out) via planner.journal().
+"""
+
+from __future__ import annotations
+
+# no bytecode anywhere (works under sudo/root shells too)
+import sys ,os
+sys.dont_write_bytecode = True
+os.environ.setdefault("PYTHONDONTWRITEBYTECODE" ,"1")
+
+from pathlib import Path
+import getpass
+
+# ===== Utilities =====
+
+def norm_perm(value: int|str)-> tuple[int ,str]|None:
+ "Given int or 3/4-char octal string (optionally 0o-prefixed). Does validate/normalize. Returns (int ,'%04o') or None."
+ if isinstance(value ,int):
+ if 0 <= value <= 0o7777:
+ return value ,f"{value:04o}"
+ return None
+ if isinstance(value ,str):
+ s = value.strip().lower()
+ if s.startswith("0o"):
+ try:
+ v = int(s ,8)
+ return v ,f"{v:04o}"
+ except Exception:
+ return None
+ if len(s) in (3 ,4) and all(ch in "01234567" for ch in s):
+ try:
+ v = int(s ,8)
+ return v ,f"{v:04o}"
+ except Exception:
+ return None
+ return None
+
+def is_abs_dpath(dpath_str: str|None)-> bool:
+ "Given path string. Does quick abs dir check. Returns bool."
+ return isinstance(dpath_str ,str) and dpath_str.startswith("/") and "\x00" not in dpath_str
+
+def norm_abs_dpath_str(value: str|Path|None)-> str|None:
+ "Given str/Path/None. Does normalize absolute dir path string. Returns str or None."
+ if value is None: return None
+ s = value.as_posix() if isinstance(value ,Path) else str(value)
+ return s if is_abs_dpath(s) else None
+
+def norm_dpath_str(value: str|Path|None)-> str|None:
+ "Given str/Path/None. Does minimal sanitize; allows relative. Returns str or None."
+ if value is None: return None
+ s = value.as_posix() if isinstance(value ,Path) else str(value)
+ if not s or "\x00" in s: return None
+ return s
+
+def norm_fname_or_none(value: str|None)-> str|None:
+ "Given candidate filename or None. Does validate bare filename. Returns str or None."
+ if value is None: return None
+ s = str(value)
+ if not s: return None
+ if "/" in s or s in ("." ,"..") or "\x00" in s: return None
+ return s
+
+def norm_nonempty_owner(value: str|None)-> str|None:
+ "Given owner string or None. Does minimally validate (non-empty). Returns str or None."
+ if value is None: return None
+ s = str(value).strip()
+ return s if s else None
+
+def parse_mode(value: int|str|None)-> tuple[int|None ,str|None]:
+ "Given int/str/None. Does normalize via norm_perm. Returns (int ,'%04o') or (None ,None)."
+ if value is None: return None ,None
+ r = norm_perm(value)
+ return r if r is not None else (None ,None)
+
+def norm_content_bytes(value: bytes|str|None)-> bytes|None:
+ "Given bytes/str/None. Does normalize to UTF-8 bytes or None. Returns bytes|None."
+ if value is None: return None
+ if isinstance(value ,bytes): return value
+ return value.encode("utf-8")
+
+# ===== Wire-ready model types (no CBOR here) =====
+
+class Command:
+ """
+ Command — a single planned operation.
+
+ Given name_str ('copy'|'displace'|'delete'), optional arg_dict, optional errors_list.
+ Does hold op name, own a fresh arg_dict, collect per-entry errors.
+ Returns dictionary via as_dictionary().
+ """
+ __slots__ = (
+ "name_str"
+ ,"arg_dict"
+ ,"errors_list"
+ )
+
+ def __init__(self ,name_str: str ,arg_dict: dict|None=None ,errors_list: list[str]|None=None)-> None:
+ self.name_str = name_str
+ self.arg_dict = dict(arg_dict) if arg_dict is not None else {}
+ self.errors_list = list(errors_list) if errors_list is not None else []
+
+ def add_error(self ,msg_str: str)-> None:
+ self.errors_list.append(msg_str)
+
+ def as_dictionary(self)-> dict:
+ return {
+ "op": self.name_str
+ ,"arg_dict": dict(self.arg_dict)
+ ,"errors_list": list(self.errors_list)
+ }
+
+ def print(self ,* ,index: int|None=None ,file=None)-> None:
+ """
+ Given: optional index for numbering and optional file-like (defaults to stdout).
+ Does: print a compact, human-readable one-line summary of this command; prints any errors indented below.
+ Returns: None.
+ """
+ if file is None:
+ import sys as _sys
+ file = _sys.stdout
+
+ op = self.name_str
+ ad = self.arg_dict or {}
+
+ # Compose destination path for display (normalize to collapse '..')
+ d = ad.get("write_file_dpath_str") or ""
+ f = ad.get("write_file_fname") or ""
+ try:
+ from pathlib import Path as _Path
+ if d and f and "/" not in f:
+ dst = (_Path(d)/f).resolve().as_posix()
+ else:
+ dst = "?"
+ except Exception:
+ dst = "?"
+
+ prefix = f"{index:02d}. " if index is not None else ""
+
+ if op == "copy":
+ mode = ad.get("mode_int")
+ owner = ad.get("owner_name")
+ size = len(ad.get("content_bytes") or b"")
+ line = f"{prefix}copy -> {dst} mode {mode:04o} owner {owner} bytes {size}"
+ elif op == "displace":
+ line = f"{prefix}displace -> {dst}"
+ elif op == "delete":
+ line = f"{prefix}delete -> {dst}"
+ else:
+ line = f"{prefix}?op? -> {dst}"
+
+ print(line ,file=file)
+
+ for err in self.errors_list:
+ print(f" ! {err}" ,file=file)
+
+class Journal:
+ """
+ Journal — ordered list of Command plus provenance metadata (model only; no CBOR).
+
+ Given optional plan_dict in wire shape (for reconstruction).
+ Does manage meta, append commands, expose entries, and pack to dict.
+ Returns dict via as_dictionary().
+ """
+ __slots__ = (
+ "meta_dict"
+ ,"command_list"
+ )
+
+ def __init__(self ,plan_dict: dict|None=None)-> None:
+ self.meta_dict = {}
+ self.command_list = []
+ if plan_dict is not None:
+ self._init_from_dict(plan_dict)
+
+ def _init_from_dict(self ,plan_dict: dict)-> None:
+ if not isinstance(plan_dict ,dict):
+ raise ValueError("plan_dict must be a dict")
+ meta = dict(plan_dict.get("meta_dict") or {})
+ entries = plan_dict.get("entries_list") or []
+ self.meta_dict.update(meta)
+ for e in entries:
+ if not isinstance(e ,dict):
+ continue
+ op = e.get("op") or "?"
+ args = e.get("arg_dict") or {}
+ errs = e.get("errors_list") or []
+ self.command_list.append(Command(name_str=op ,arg_dict=dict(args) ,errors_list=list(errs)))
+
+ def set_meta(self ,**kv)-> None:
+ self.meta_dict.update(kv)
+
+ def append(self ,cmd: Command)-> None:
+ self.command_list.append(cmd)
+
+ def entries_list(self)-> list[dict]:
+ return [c.as_dictionary() for c in self.command_list]
+
+ def as_dictionary(self)-> dict:
+ return {
+ "version_int": 1
+ ,"meta_dict": dict(self.meta_dict)
+ ,"entries_list": self.entries_list()
+ }
+
+ def print(self ,* ,index_start: int=1 ,file=None)-> None:
+ """
+ Given: optional starting index and optional file-like (defaults to stdout).
+ Does: print each Command on a single line via Command.print(), numbered.
+ Returns: None.
+ """
+ if file is None:
+ import sys as _sys
+ file = _sys.stdout
+
+ if not self.command_list:
+ print("(plan is empty)" ,file=file)
+ return
+
+ for i ,cmd in enumerate(self.command_list ,start=index_start):
+ cmd.print(index=i ,file=file)
+
+# ===== Runner-provided provenance =====
+
+class PlanProvenance:
+ """
+ Runner-provided, read-only provenance for a single config script.
+ """
+ __slots__ = (
+ "stage_root_dpath"
+ ,"config_abs_fpath"
+ ,"config_rel_fpath"
+ ,"read_dir_dpath"
+ ,"read_fname"
+ ,"process_user"
+ ,"cwd_dpath"
+ )
+
+ def __init__(self ,* ,stage_root: Path ,config_path: Path):
+ self.stage_root_dpath = stage_root.resolve()
+ self.config_abs_fpath = config_path.resolve()
+ try:
+ self.config_rel_fpath = self.config_abs_fpath.relative_to(self.stage_root_dpath)
+ except Exception:
+ self.config_rel_fpath = Path(self.config_abs_fpath.name)
+
+ self.read_dir_dpath = self.config_abs_fpath.parent
+
+ name = self.config_abs_fpath.name
+ if name.endswith(".stage.py"):
+ self.read_fname = name[:-len(".stage.py")]
+ elif name.endswith(".py"):
+ self.read_fname = name[:-3]
+ else:
+ self.read_fname = name
+
+ self.process_user = getpass.getuser()
+ self.cwd_dpath = Path.cwd().resolve()
+
+ def print(self ,* ,file=None)-> None:
+ if file is None:
+ import sys as _sys
+ file = _sys.stdout
+ print(f"Stage root: {self.stage_root_dpath}" ,file=file)
+ print(f"Config (rel): {self.config_rel_fpath.as_posix()}" ,file=file)
+ print(f"Config (abs): {self.config_abs_fpath}" ,file=file)
+ print(f"Read dir: {self.read_dir_dpath}" ,file=file)
+ print(f"Read fname: {self.read_fname}" ,file=file)
+ print(f"Process user: {self.process_user}" ,file=file)
+
+# ===== Admin-facing defaults carrier =====
+
+class WriteFileMeta:
+ """
+ WriteFileMeta — per-call or planner-default write-file attributes.
+
+ Given dpath (str/Path, may be relative) ,fname (bare name or None) ,owner (str)
+ ,mode (int|'0644') ,content (bytes|str|None).
+ Does normalize into fields (may remain None if absent/invalid).
+ Returns object suitable for providing defaults to Planner methods.
+ """
+ __slots__ = (
+ "dpath_str"
+ ,"fname"
+ ,"owner_name_str"
+ ,"mode_int"
+ ,"mode_octal_str"
+ ,"content_bytes"
+ )
+
+ def __init__(self
+ ,*
+ ,dpath="/"
+ ,fname=None
+ ,owner="root"
+ ,mode=0o444
+ ,content=None
+ ):
+ self.dpath_str = norm_dpath_str(dpath)
+ self.fname = norm_fname_or_none(fname)
+ self.owner_name_str = norm_nonempty_owner(owner)
+ self.mode_int ,self.mode_octal_str = parse_mode(mode)
+ self.content_bytes = norm_content_bytes(content)
+
+ def print(self ,* ,label: str|None=None ,file=None)-> None:
+ if file is None:
+ import sys as _sys
+ file = _sys.stdout
+ dpath = self.dpath_str or "?"
+ fname = self.fname or "?"
+ owner = self.owner_name_str or "?"
+ mode_str = f"{self.mode_int:04o}" if isinstance(self.mode_int ,int) else (self.mode_octal_str or "?")
+ size = len(self.content_bytes) if isinstance(self.content_bytes ,(bytes ,bytearray)) else 0
+ prefix = (label + ": ") if label else ""
+ print(f"{prefix}dpath={dpath} fname={fname} owner={owner} mode={mode_str} bytes={size}" ,file=file)
+
+# ===== Planner =====
+
+class Planner:
+ """
+ Planner — constructs a Journal of Commands from config scripts.
+
+ Given provenance (PlanProvenance) and optional default WriteFileMeta.
+ Does resolve command parameters by precedence: kwarg > per-call WriteFileMeta > planner default,
+ with a final filename fallback to provenance basename if still missing.
+ On any argument error, returns the Command with errors and DOES NOT append it to Journal.
+ Returns live Journal via journal().
+ """
+ __slots__ = (
+ "_prov"
+ ,"_defaults"
+ ,"_journal"
+ )
+
+ def __init__(self ,provenance: PlanProvenance ,defaults: WriteFileMeta|None=None)-> None:
+ self._prov = provenance
+ self._defaults = defaults if defaults is not None else WriteFileMeta(
+ dpath="/"
+ ,fname=provenance.read_fname
+ ,owner="root"
+ ,mode=0o444
+ ,content=None
+ )
+ self._journal = Journal()
+ self._journal.set_meta(
+ stage_root_dpath_str=str(self._prov.stage_root_dpath)
+ ,config_rel_fpath_str=self._prov.config_rel_fpath.as_posix()
+ )
+
+ # --- provenance/defaults/journal access ---
+
+ def set_provenance(self ,prov: PlanProvenance)-> None:
+ self._prov = prov
+
+ def set_defaults(self ,defaults: WriteFileMeta)-> None:
+ self._defaults = defaults
+
+ def defaults(self)-> WriteFileMeta:
+ return self._defaults
+
+ def journal(self)-> Journal:
+ return self._journal
+
+ # --- resolution helpers ---
+
+ def _pick(self ,kw ,meta_attr ,default_attr):
+ "Pick first non-None among kw ,meta_attr ,default_attr."
+ return kw if kw is not None else (meta_attr if meta_attr is not None else default_attr)
+
+ def _resolve_write_file(self ,wfm ,dpath ,fname)-> tuple[str|None ,str|None]:
+ # normalize explicit kwargs
+ dpath_str = norm_dpath_str(dpath) if dpath is not None else None
+ fname_str = norm_fname_or_none(fname) if fname is not None else None
+
+ # precedence: kwarg > per-call meta > planner default
+ dpath_val = self._pick(dpath_str ,(wfm.dpath_str if wfm else None) ,self._defaults.dpath_str)
+ fname_val = self._pick(fname_str ,(wfm.fname if wfm else None) ,self._defaults.fname)
+
+ # final fallback for filename: derive from config name
+ if fname_val is None:
+ fname_val = self._prov.read_fname
+
+ # anchor/normalize dpath
+ if dpath_val is not None:
+ p = Path(dpath_val)
+ if not p.is_absolute():
+ p = (self._prov.cwd_dpath/p)
+ dpath_val = p.resolve().as_posix()
+
+ return dpath_val ,fname_val
+
+ def _resolve_owner_mode_content(self
+ ,wfm: WriteFileMeta|None
+ ,owner: str|None
+ ,mode: int|str|None
+ ,content: bytes|str|None
+ )-> tuple[str|None ,tuple[int|None ,str|None] ,bytes|None]:
+ owner_norm = norm_nonempty_owner(owner) if owner is not None else None
+ mode_norm = parse_mode(mode) if mode is not None else (None ,None)
+ content_b = norm_content_bytes(content) if content is not None else None
+
+ owner_v = self._pick(owner_norm ,(wfm.owner_name_str if wfm else None) ,self._defaults.owner_name_str)
+ mode_v = (mode_norm if mode_norm != (None ,None) else
+ ((wfm.mode_int ,wfm.mode_octal_str) if wfm else (self._defaults.mode_int ,self._defaults.mode_octal_str)))
+ content_v = self._pick(content_b ,(wfm.content_bytes if wfm else None) ,self._defaults.content_bytes)
+ return owner_v ,mode_v ,content_v
+
+ # --- printing ---
+
+ def print(self ,* ,show_journal: bool=True ,file=None)-> None:
+ if file is None:
+ import sys as _sys
+ file = _sys.stdout
+
+ print("== Provenance ==" ,file=file)
+ self._prov.print(file=file)
+
+ print("\n== Defaults ==" ,file=file)
+ self._defaults.print(label="defaults" ,file=file)
+
+ if show_journal:
+ entries = getattr(self._journal ,"command_list" ,[])
+ n_total = len(entries)
+ n_copy = sum(1 for c in entries if getattr(c ,"name_str" ,None) == "copy")
+ n_disp = sum(1 for c in entries if getattr(c ,"name_str" ,None) == "displace")
+ n_del = sum(1 for c in entries if getattr(c ,"name_str" ,None) == "delete")
+
+ print("\n== Journal ==" ,file=file)
+ print(f"entries: {n_total} copy:{n_copy} displace:{n_disp} delete:{n_del}" ,file=file)
+ if n_total:
+ self._journal.print(index_start=1 ,file=file)
+ else:
+ print("(plan is empty)" ,file=file)
+
+ # --- Command builders (first arg may be WriteFileMeta) ---
+
+ def copy(self
+ ,wfm: WriteFileMeta|None=None
+ ,*
+ ,write_file_dpath: str|Path|None=None
+ ,write_file_fname: str|None=None
+ ,owner: str|None=None
+ ,mode: int|str|None=None
+ ,content: bytes|str|None=None
+ )-> Command:
+ cmd = Command("copy")
+ dpath ,fname = self._resolve_write_file(wfm ,write_file_dpath ,write_file_fname)
+ owner_v ,(mode_int ,mode_oct) ,content_b = self._resolve_owner_mode_content(wfm ,owner ,mode ,content)
+
+ # well-formed checks
+ if not is_abs_dpath(dpath): cmd.add_error("write_file_dpath must be absolute")
+ if norm_fname_or_none(fname) is None: cmd.add_error("write_file_fname must be a bare filename")
+ if not owner_v: cmd.add_error("owner must be non-empty")
+ if (mode_int ,mode_oct) == (None ,None):
+ cmd.add_error("mode must be int <= 0o7777 or 3/4-digit octal string")
+ if content_b is None:
+ cmd.add_error("content is required for copy() (bytes or str)")
+
+ cmd.arg_dict.update({
+ "write_file_dpath_str": dpath
+ ,"write_file_fname": fname
+ ,"owner_name": owner_v
+ ,"mode_int": mode_int
+ ,"mode_octal_str": mode_oct
+ ,"content_bytes": content_b
+ ,"provenance_config_rel_fpath_str": self._prov.config_rel_fpath.as_posix()
+ })
+
+ if not cmd.errors_list:
+ self._journal.append(cmd)
+ return cmd
+
+ def displace(self
+ ,wfm: WriteFileMeta|None=None
+ ,*
+ ,write_file_dpath: str|Path|None=None
+ ,write_file_fname: str|None=None
+ )-> Command:
+ cmd = Command("displace")
+ dpath ,fname = self._resolve_write_file(wfm ,write_file_dpath ,write_file_fname)
+ if not is_abs_dpath(dpath): cmd.add_error("write_file_dpath must be absolute")
+ if norm_fname_or_none(fname) is None: cmd.add_error("write_file_fname must be a bare filename")
+ cmd.arg_dict.update({
+ "write_file_dpath_str": dpath
+ ,"write_file_fname": fname
+ })
+ if not cmd.errors_list:
+ self._journal.append(cmd)
+ return cmd
+
+ def delete(self
+ ,wfm: WriteFileMeta|None=None
+ ,*
+ ,write_file_dpath: str|Path|None=None
+ ,write_file_fname: str|None=None
+ )-> Command:
+ cmd = Command("delete")
+ dpath ,fname = self._resolve_write_file(wfm ,write_file_dpath ,write_file_fname)
+ if not is_abs_dpath(dpath): cmd.add_error("write_file_dpath must be absolute")
+ if norm_fname_or_none(fname) is None: cmd.add_error("write_file_fname must be a bare filename")
+ cmd.arg_dict.update({
+ "write_file_dpath_str": dpath
+ ,"write_file_fname": fname
+ })
+ if not cmd.errors_list:
+ self._journal.append(cmd)
+ return cmd
--- /dev/null
+#!/usr/bin/env -S python3 -B
+"""
+Planner.py — plan builder for staged configuration (UNPRIVILEGED).
+
+Given: runner-side provenance (PlanProvenance) and optional defaults (WriteFileMeta).
+Does: expose Planner whose command methods (copy/displace/delete) build Command entries,
+ resolving arguments with precedence: kwarg > per-call WriteFileMeta > planner default
+ (and for filename, fallback to provenance-derived basename). On any argument error,
+ the Command is returned with errors and NOT appended to the Journal.
+Returns: Journal (model only; dict in/out) via planner.journal().
+"""
+
+from __future__ import annotations
+
+# no bytecode anywhere (works under sudo/root shells too)
+import sys ,os
+sys.dont_write_bytecode = True
+os.environ.setdefault("PYTHONDONTWRITEBYTECODE" ,"1")
+
+from pathlib import Path
+import getpass
+
+
+# ===== Utilities =====
+
+def norm_perm(value: int|str)-> tuple[int,str]|None:
+ "Given int or 3/4-char octal string (optionally 0o-prefixed). Does validate/normalize. Returns (int,'%04o') or None."
+ if isinstance(value ,int):
+ if 0 <= value <= 0o7777:
+ return value ,f"{value:04o}"
+ return None
+ if isinstance(value ,str):
+ s = value.strip().lower()
+ if s.startswith("0o"):
+ try:
+ v = int(s ,8)
+ return v ,f"{v:04o}"
+ except Exception:
+ return None
+ if len(s) in (3 ,4) and all(ch in "01234567" for ch in s):
+ try:
+ v = int(s ,8)
+ return v ,f"{v:04o}"
+ except Exception:
+ return None
+ return None
+
+def is_abs_dpath(dpath_str: str|None)-> bool:
+ "Given path string. Does quick abs dir check. Returns bool."
+ return isinstance(dpath_str ,str) and dpath_str.startswith("/") and "\x00" not in dpath_str
+
+def norm_abs_dpath_str(value: str|Path|None)-> str|None:
+ "Given str/Path/None. Does normalize absolute dir path string. Returns str or None."
+ if value is None: return None
+ s = value.as_posix() if isinstance(value ,Path) else str(value)
+ return s if is_abs_dpath(s) else None
+
+def norm_fname_or_none(value: str|None)-> str|None:
+ "Given candidate filename or None. Does validate bare filename. Returns str or None."
+ if value is None: return None
+ s = str(value)
+ if not s: return None
+ if "/" in s or s in ("." ,"..") or "\x00" in s: return None
+ return s
+
+def norm_nonempty_owner(value: str|None)-> str|None:
+ "Given owner string or None. Does minimally validate (non-empty). Returns str or None."
+ if value is None: return None
+ s = str(value).strip()
+ return s if s else None
+
+def parse_mode(value: int|str|None)-> tuple[int|None ,str|None]:
+ "Given int/str/None. Does normalize via norm_perm. Returns (int,'%04o') or (None,None)."
+ if value is None: return None ,None
+ r = norm_perm(value)
+ return r if r is not None else (None ,None)
+
+def norm_content_bytes(value: bytes|str|None)-> bytes|None:
+ "Given bytes/str/None. Does normalize to UTF-8 bytes or None. Returns bytes|None."
+ if value is None: return None
+ if isinstance(value ,bytes): return value
+ return value.encode("utf-8")
+
+def norm_dpath_str(value: str|Path|None)-> str|None:
+ "Given str/Path/None. Does minimal sanitize; allows relative. Returns str or None."
+ if value is None: return None
+ s = value.as_posix() if isinstance(value ,Path) else str(value)
+ if not s or "\x00" in s: return None
+ return s
+
+
+# ===== Wire-ready model types (no CBOR here) =====
+
+class Command:
+ """
+ Command — a single planned operation.
+
+ Given name_str ('copy'|'displace'|'delete'), optional arg_dict, optional errors_list.
+ Does hold op name, own a fresh arg_dict, collect per-entry errors.
+ Returns dictionary via as_dictionary().
+ """
+ __slots__ = ("name_str" ,"arg_dict" ,"errors_list")
+
+ def __init__(self ,name_str: str ,arg_dict: dict|None=None ,errors_list: list[str]|None=None)-> None:
+ self.name_str = name_str
+ self.arg_dict = dict(arg_dict) if arg_dict is not None else {}
+ self.errors_list = list(errors_list) if errors_list is not None else []
+
+ def add_error(self ,msg_str: str)-> None:
+ self.errors_list.append(msg_str)
+
+ def as_dictionary(self)-> dict:
+ return {
+ "op": self.name_str
+ ,"arg_dict": dict(self.arg_dict)
+ ,"errors_list": list(self.errors_list)
+ }
+
+ def print(self, *, index: int|None=None, file=None)-> None:
+ """
+ Given: optional index for numbering and optional file-like (defaults to stdout).
+ Does: print a compact, human-readable one-line summary of this command; prints any errors indented below.
+ Returns: None.
+ """
+ if file is None:
+ import sys as _sys
+ file = _sys.stdout
+
+ op = self.name_str
+ ad = self.arg_dict or {}
+
+ # Compose destination path for display
+ d = ad.get("write_file_dpath_str") or ""
+ f = ad.get("write_file_fname") or ""
+ try:
+ from pathlib import Path as _Path
+ dst = (_Path(d)/f).as_posix() if d and f and "/" not in f else "?"
+ except Exception:
+ dst = "?"
+
+ # Numbering prefix
+ prefix = f"{index:02d}. " if index is not None else ""
+
+ if op == "copy":
+ mode = ad.get("mode_int")
+ owner = ad.get("owner_name")
+ size = len(ad.get("content_bytes") or b"")
+ line = f"{prefix}copy -> {dst} mode {mode:04o} owner {owner} bytes {size}"
+ elif op == "displace":
+ line = f"{prefix}displace -> {dst}"
+ elif op == "delete":
+ line = f"{prefix}delete -> {dst}"
+ else:
+ line = f"{prefix}?op? -> {dst}"
+
+ print(line, file=file)
+
+ # Print any per-entry errors underneath
+ for err in self.errors_list:
+ print(f" ! {err}", file=file)
+
+
+class Journal:
+ """
+ Journal — ordered list of Command plus provenance metadata (model only; no CBOR).
+
+ Given optional plan_dict in wire shape (for reconstruction).
+ Does manage meta, append commands, expose entries, and pack to dict.
+ Returns dict via as_dictionary().
+ """
+ __slots__ = ("meta_dict" ,"command_list")
+
+ def __init__(self ,plan_dict: dict|None=None)-> None:
+ self.meta_dict = {}
+ self.command_list = []
+ if plan_dict is not None:
+ self._init_from_dict(plan_dict)
+
+ def _init_from_dict(self ,plan_dict: dict)-> None:
+ if not isinstance(plan_dict ,dict):
+ raise ValueError("plan_dict must be a dict")
+ meta = dict(plan_dict.get("meta_dict") or {})
+ entries = plan_dict.get("entries_list") or []
+ self.meta_dict.update(meta)
+ for e in entries:
+ if not isinstance(e ,dict):
+ continue
+ op = e.get("op") or "?"
+ args = e.get("arg_dict") or {}
+ errs = e.get("errors_list") or []
+ self.command_list.append(Command(name_str=op ,arg_dict=dict(args) ,errors_list=list(errs)))
+
+ def set_meta(self ,**kv)-> None:
+ self.meta_dict.update(kv)
+
+ def append(self ,cmd: Command)-> None:
+ self.command_list.append(cmd)
+
+ def entries_list(self)-> list[dict]:
+ return [c.as_dictionary() for c in self.command_list]
+
+ def as_dictionary(self)-> dict:
+ return {
+ "version_int": 1
+ ,"meta_dict": dict(self.meta_dict)
+ ,"entries_list": self.entries_list()
+ }
+
+ def print(self, *, index_start: int = 1, file=None) -> None:
+ """
+ Given: optional starting index and optional file-like (defaults to stdout).
+ Does: print each Command on a single line via Command.print(), numbered.
+ Returns: None.
+ """
+ if file is None:
+ import sys as _sys
+ file = _sys.stdout
+
+ if not self.command_list:
+ print("(plan is empty)", file=file)
+ return
+
+ for i, cmd in enumerate(self.command_list, start=index_start):
+ cmd.print(index=i, file=file)
+
+# ===== Runner-provided provenance =====
+
+# Planner.py
+class PlanProvenance:
+ """
+ Runner-provided, read-only provenance for a single config script.
+ """
+ __slots__ = ("stage_root_dpath","config_abs_fpath","config_rel_fpath",
+ "read_dir_dpath","read_fname","process_user")
+
+ def __init__(self, *, stage_root: Path, config_path: Path):
+ import getpass
+ self.stage_root_dpath = stage_root.resolve()
+ self.config_abs_fpath = config_path.resolve()
+ try:
+ self.config_rel_fpath = self.config_abs_fpath.relative_to(self.stage_root_dpath)
+ except Exception:
+ self.config_rel_fpath = Path(self.config_abs_fpath.name)
+
+ self.read_dir_dpath = self.config_abs_fpath.parent
+
+ name = self.config_abs_fpath.name
+ if name.endswith(".stage.py"):
+ self.read_fname = name[:-len(".stage.py")]
+ elif name.endswith(".py"):
+ self.read_fname = name[:-3]
+ else:
+ self.read_fname = name
+
+ # NEW: owner of the StageHand process
+ self.process_user = getpass.getuser()
+
+ def print(self, *, file=None) -> None:
+ if file is None:
+ import sys as _sys
+ file = _sys.stdout
+ print(f"Stage root: {self.stage_root_dpath}", file=file)
+ print(f"Config (rel): {self.config_rel_fpath.as_posix()}", file=file)
+ print(f"Config (abs): {self.config_abs_fpath}", file=file)
+ print(f"Read dir: {self.read_dir_dpath}", file=file)
+ print(f"Read fname: {self.read_fname}", file=file)
+ print(f"Process user: {self.process_user}", file=file) # NEW
+
+# ===== Admin-facing defaults carrier =====
+
+class WriteFileMeta:
+ """
+ WriteFileMeta — per-call or planner-default write-file attributes.
+
+ Given dpath (abs str/Path) ,fname (bare name or None) ,owner (str)
+ ,mode (int|'0644') ,content (bytes|str|None).
+ Does normalize into fields (may remain None if absent/invalid).
+ Returns object suitable for providing defaults to Planner methods.
+ """
+ __slots__ = ("dpath_str" ,"fname" ,"owner_name_str" ,"mode_int" ,"mode_octal_str" ,"content_bytes")
+
+ def __init__(self
+ ,*
+ ,dpath="/"
+ ,fname=None # None → let Planner/provenance choose
+ ,owner="root"
+ ,mode=0o444
+ ,content=None
+ ):
+ self.dpath_str = norm_dpath_str(dpath)
+ self.fname = norm_fname_or_none(fname) # '.' no longer special → None
+ self.owner_name_str = norm_nonempty_owner(owner) # '.' rejected → None
+ self.mode_int, self.mode_octal_str = parse_mode(mode)
+ self.content_bytes = norm_content_bytes(content)
+
+ def print(self, *, label: str | None = None, file=None) -> None:
+ """
+ Given: optional label and optional file-like (defaults to stdout).
+ Does: print a single-line summary of defaults/overrides.
+ Returns: None.
+ """
+ if file is None:
+ import sys as _sys
+ file = _sys.stdout
+
+ dpath = self.dpath_str or "?"
+ fname = self.fname or "?"
+ owner = self.owner_name_str or "?"
+ mode_str = f"{self.mode_int:04o}" if isinstance(self.mode_int, int) else (self.mode_octal_str or "?")
+ size = len(self.content_bytes) if isinstance(self.content_bytes, (bytes, bytearray)) else 0
+ prefix = (label + ": ") if label else ""
+ print(f"{prefix}dpath={dpath} fname={fname} owner={owner} mode={mode_str} bytes={size}", file=file)
+
+
+# ===== Planner =====
+
+class Planner:
+ """
+ Planner — constructs a Journal of Commands from config scripts.
+
+ Given provenance (PlanProvenance) and optional default WriteFileMeta.
+ Does resolve command parameters by precedence: kwarg > per-call WriteFileMeta > planner default,
+ with a final filename fallback to provenance basename if still missing.
+ On any argument error, returns the Command with errors and DOES NOT append it to Journal.
+ Returns live Journal via journal().
+ """
+ __slots__ = ("_prov" ,"_defaults" ,"_journal")
+
+ def __init__(self ,provenance: PlanProvenance ,defaults: WriteFileMeta|None=None)-> None:
+ self._prov = provenance
+ self._defaults = defaults if defaults is not None else WriteFileMeta(
+ dpath="/"
+ ,fname=provenance.read_fname
+ ,owner="root"
+ ,mode=0o444
+ ,content=None
+ )
+ self._journal = Journal()
+ self._journal.set_meta(
+ stage_root_dpath_str=str(self._prov.stage_root_dpath)
+ ,config_rel_fpath_str=self._prov.config_rel_fpath.as_posix()
+ )
+
+ # --- defaults management / access ---
+
+ # in Planner.py, inside class Planner
+ def set_provenance(self, prov: PlanProvenance) -> None:
+ """Switch the current provenance used for fallbacks & per-command provenance tagging."""
+ self._prov = prov
+
+ def set_defaults(self ,defaults: WriteFileMeta)-> None:
+ "Given WriteFileMeta. Does replace planner defaults. Returns None."
+ self._defaults = defaults
+
+ def defaults(self)-> WriteFileMeta:
+ "Given n/a. Does return current WriteFileMeta defaults. Returns WriteFileMeta."
+ return self._defaults
+
+ def journal(self)-> Journal:
+ "Given n/a. Returns Journal reference (live, still being modified here)."
+ return self._journal
+
+ # --- resolution helpers ---
+
+ def _pick(self ,kw ,meta_attr ,default_attr):
+ "Given three sources. Does pick first non-None. Returns value or None."
+ return kw if kw is not None else (meta_attr if meta_attr is not None else default_attr)
+
+ def _resolve_write_file(self, wfm, dpath, fname) -> tuple[str|None, str|None]:
+ dpath_str = norm_dpath_str(dpath) if dpath is not None else None
+ fname = norm_fname_or_none(fname) if fname is not None else None
+
+ dpath_val = self._pick(dpath_str, (wfm.dpath_str if wfm else None), self._defaults.dpath_str)
+ fname_val = self._pick(fname, (wfm.fname if wfm else None), self._defaults.fname)
+
+ # final fallback for filename: derive from config name
+ if fname_val is None:
+ fname_val = self._prov.read_fname
+
+ # anchor relative dpaths against the config’s directory
+ if dpath_val is not None and not is_abs_dpath(dpath_val):
+ dpath_val = (self._prov.read_dir_dpath / dpath_val).as_posix()
+
+ return dpath_val, fname_val
+
+ def _resolve_owner_mode_content(self
+ ,wfm: WriteFileMeta|None
+ ,owner: str|None
+ ,mode: int|str|None
+ ,content: bytes|str|None
+ )-> tuple[str|None ,tuple[int|None ,str|None] ,bytes|None]:
+ owner_norm = norm_nonempty_owner(owner) if owner is not None else None
+ mode_norm = parse_mode(mode) if mode is not None else (None ,None)
+ content_b = norm_content_bytes(content) if content is not None else None
+
+ owner_v = self._pick(owner_norm, (wfm.owner_name_str if wfm else None), self._defaults.owner_name_str)
+ mode_v = (mode_norm if mode_norm != (None ,None) else
+ ((wfm.mode_int ,wfm.mode_octal_str) if wfm else (self._defaults.mode_int ,self._defaults.mode_octal_str)))
+ content_v = self._pick(content_b ,(wfm.content_bytes if wfm else None) ,self._defaults.content_bytes)
+ return owner_v ,mode_v ,content_v
+
+ def print(self, *, show_journal: bool = True, file=None) -> None:
+ """
+ Given: flags (show_journal) and optional file-like (defaults to stdout).
+ Does: print provenance, defaults, and optionally the journal via delegation.
+ Returns: None.
+ """
+ if file is None:
+ import sys as _sys
+ file = _sys.stdout
+
+ print("== Provenance ==", file=file)
+ self._prov.print(file=file)
+
+ print("\n== Defaults ==", file=file)
+ self._defaults.print(label="defaults", file=file)
+
+ if show_journal:
+ entries = getattr(self._journal, "command_list", [])
+ n_total = len(entries)
+ n_copy = sum(1 for c in entries if getattr(c, "name_str", None) == "copy")
+ n_disp = sum(1 for c in entries if getattr(c, "name_str", None) == "displace")
+ n_del = sum(1 for c in entries if getattr(c, "name_str", None) == "delete")
+
+ print("\n== Journal ==", file=file)
+ print(f"entries: {n_total} copy:{n_copy} displace:{n_disp} delete:{n_del}", file=file)
+ if n_total:
+ self._journal.print(index_start=1, file=file)
+ else:
+ print("(plan is empty)", file=file)
+
+ # --- Command builders (first arg may be WriteFileMeta) ---
+
+ def copy(self
+ ,wfm: WriteFileMeta|None=None
+ ,*
+ ,write_file_dpath: str|Path|None=None
+ ,write_file_fname: str|None=None
+ ,owner: str|None=None
+ ,mode: int|str|None=None
+ ,content: bytes|str|None=None
+ )-> Command:
+ """
+ Given optional WriteFileMeta plus keyword overrides.
+ Does build a 'copy' command; on any argument error the command is returned with errors and NOT appended.
+ Returns Command.
+ """
+ cmd = Command("copy")
+ dpath ,fname = self._resolve_write_file(wfm ,write_file_dpath ,write_file_fname)
+ owner_v ,(mode_int ,mode_oct) ,content_b = self._resolve_owner_mode_content(wfm ,owner ,mode ,content)
+
+ # well-formed checks
+ if not is_abs_dpath(dpath): cmd.add_error("write_file_dpath must be absolute")
+ if norm_fname_or_none(fname) is None: cmd.add_error("write_file_fname must be a bare filename")
+ if not owner_v: cmd.add_error("owner must be non-empty")
+ if (mode_int ,mode_oct) == (None ,None):
+ cmd.add_error("mode must be int <= 0o7777 or 3/4-digit octal string")
+ if content_b is None:
+ cmd.add_error("content is required for copy() (bytes or str)")
+
+ cmd.arg_dict.update({
+ "write_file_dpath_str": dpath,
+ "write_file_fname": fname, # was write_file_fname
+ "owner_name": owner_v, # was owner_name_str
+ "mode_int": mode_int,
+ "mode_octal_str": mode_oct,
+ "content_bytes": content_b,
+ "provenance_config_rel_fpath_str": self._prov.config_rel_fpath.as_posix(),
+ })
+
+ if not cmd.errors_list:
+ self._journal.append(cmd)
+ return cmd
+
+ def displace(self
+ ,wfm: WriteFileMeta|None=None
+ ,*
+ ,write_file_dpath: str|Path|None=None
+ ,write_file_fname: str|None=None
+ )-> Command:
+ "Given optional WriteFileMeta plus overrides. Does build 'displace' entry or return errors. Returns Command."
+ cmd = Command("displace")
+ dpath ,fname = self._resolve_write_file(wfm ,write_file_dpath ,write_file_fname)
+ if not is_abs_dpath(dpath): cmd.add_error("write_file_dpath must be absolute")
+ if norm_fname_or_none(fname) is None: cmd.add_error("write_file_fname must be a bare filename")
+ cmd.arg_dict.update({
+ "write_file_dpath_str": dpath,
+ "write_file_fname": fname,
+ })
+ if not cmd.errors_list:
+ self._journal.append(cmd)
+ return cmd
+
+ def delete(self
+ ,wfm: WriteFileMeta|None=None
+ ,*
+ ,write_file_dpath: str|Path|None=None
+ ,write_file_fname: str|None=None
+ )-> Command:
+ "Given optional WriteFileMeta plus overrides. Does build 'delete' entry or return errors. Returns Command."
+ cmd = Command("delete")
+ dpath ,fname = self._resolve_write_file(wfm ,write_file_dpath ,write_file_fname)
+ if not is_abs_dpath(dpath): cmd.add_error("write_file_dpath must be absolute")
+ if norm_fname_or_none(fname) is None: cmd.add_error("write_file_fname must be a bare filename")
+ cmd.arg_dict.update({
+ "write_file_dpath_str": dpath,
+ "write_file_fname": fname,
+ })
+ if not cmd.errors_list:
+ self._journal.append(cmd)
+ return cmd
+
+
+
--- /dev/null
+#!/usr/bin/env -S python3 -B
+"""
+Stage.py — planner runtime for staged config programs (UNPRIVILEGED).
+
+Config usage:
+ import Stage
+
+ Stage.init(
+ write_file_name="."
+ , write_dpath="/etc/unbound"
+ , write_file_owner_name="root"
+ , write_file_permissions=0o644 # or "0644"
+ , read_file_contents=b"...bytes..."# bytes preferred; str is utf-8 encoded
+ )
+ Stage.displace()
+ Stage.copy()
+ # Stage.delete()
+
+Notes:
+ - This module only RECORDS plan steps using native Python values (ints/bytes/str).
+ - The outer tool CBOR-encodes the accumulated plan AFTER all configs run.
+"""
+
+from __future__ import annotations
+import sys ,os
+sys.dont_write_bytecode = True
+os.environ.setdefault("PYTHONDONTWRITEBYTECODE" ,"1")
+
+from dataclasses import dataclass ,field
+from pathlib import Path
+from typing import Any
+
+# ---------- helpers ----------
+
+def _norm_perm(value: int|str)-> tuple[int,str]|None:
+ "Given: an int or a 4-char octal string. Does: validate/normalize to (int,'%04o'). Returns: tuple or None."
+ if isinstance(value ,int):
+ if 0 <= value <= 0o7777:
+ return value ,f"{value:04o}"
+ return None
+ if isinstance(value ,str):
+ s = value.strip()
+ if len(s)==4 and all(ch in "01234567" for ch in s):
+ try:
+ v = int(s ,8)
+ return v ,s
+ except Exception:
+ return None
+ return None
+
+@dataclass
+class _Ctx:
+ "Information used by many entries in the plan, plan specific command defaults, i.e. the plan context."
+ read_rel_fpath: Path
+ stage_root_dpath: Path
+ defaults_map: dict[str,Any] = field(default_factory=dict) # this syntax gives each context instance a distinct dictionary.
+
+# ---------- planner singleton ----------
+
+class _Planner:
+ "Given: staged config executions. Does: accumulate plan entries. Returns: plan map."
+ def __init__(self)-> None:
+ self._ctx: _Ctx|None = None
+ self._entries_list: list[dict[str,Any]] = []
+ self._meta_map: dict[str,Any] = {}
+
+ # ---- framework (called by outer tools) ----
+ def _begin(self ,read_rel_fpath: Path ,stage_root_dpath: Path)-> None:
+ "Given: a config’s relative file path and stage root. Does: start context. Returns: None."
+ self._ctx = _Ctx(read_rel_fpath=read_rel_fpath ,stage_root_dpath=stage_root_dpath)
+
+ def _end(self)-> None:
+ "Given: active context. Does: end it. Returns: None."
+ self._ctx = None
+
+ def _reset(self)-> None:
+ "Given: n/a. Does: clear meta and entries. Returns: None."
+ self._entries_list.clear()
+ self._meta_map.clear()
+ self._ctx = None
+
+ # ---- exported for outer tools ----
+ def plan_entries(self)-> list[dict[str,Any]]:
+ "Given: n/a. Does: return a shallow copy of current entries. Returns: list[dict]."
+ return list(self._entries_list)
+
+ def set_meta(self ,**kv)-> None:
+ "Given: keyword meta. Does: merge into meta_map. Returns: None."
+ self._meta_map.update(kv)
+
+ def plan_object(self)-> dict[str,Any]:
+ "Packages a self-contained plan map ready for CBOR encoding.
+ Given: accumulated meta/entries. Does: freeze a copy and stamp a version. Returns: dict.
+ "
+ return {
+ "version_int": 1
+ ,"meta_map": dict(self._meta_map)
+ ,"entries_list": list(self._entries_list)
+ }
+
+ # ---- config API ----
+ def init(
+ self
+ ,write_file_name: str
+ ,write_dpath: str
+ ,write_file_owner_name: str
+ ,write_file_permissions: int|str
+ ,read_file_contents: bytes|str|None=None
+ )-> None:
+ """
+ Given: write filename ('.' → basename of config), destination dir path, owner name,
+ permissions (int or '0644'), and optional read content (bytes or str).
+ Does: store per-config defaults used by subsequent Stage.* calls.
+ Returns: None.
+ """
+ if self._ctx is None:
+ raise RuntimeError("Stage.init used without active context")
+ fname = self._ctx.read_rel_fpath.name if write_file_name == "." else write_file_name
+ if isinstance(read_file_contents ,str):
+ content_bytes = read_file_contents.encode("utf-8")
+ else:
+ content_bytes = read_file_contents
+ perm_norm = _norm_perm(write_file_permissions)
+ if perm_norm is None:
+ mode_int ,mode_octal_str = None ,None
+ else:
+ mode_int ,mode_octal_str = perm_norm
+ self._ctx.defaults_map = {
+ "dst_fname": fname
+ ,"dst_dpath": write_dpath
+ ,"owner_name": write_file_owner_name
+ ,"mode_int": mode_int
+ ,"mode_octal_str": mode_octal_str
+ ,"content_bytes": content_bytes
+ }
+
+ def _require_defaults(self)-> dict[str,Any]:
+ "Given: current ctx. Does: ensure Stage.init ran. Returns: defaults_map."
+ if self._ctx is None or not self._ctx.defaults_map:
+ raise RuntimeError("Stage.* called before Stage.init in this config")
+ return self._ctx.defaults_map
+
+ def displace(self)-> None:
+ "Given: defaults. Does: append a displace op. Returns: None."
+ d = self._require_defaults()
+ self._entries_list.append({
+ "op":"displace"
+ ,"dst_dpath": d["dst_dpath"]
+ ,"dst_fname": d["dst_fname"]
+ })
+
+ def copy(self)-> None:
+ "Given: defaults. Does: append a copy op. Returns: None."
+ d = self._require_defaults()
+ self._entries_list.append({
+ "op":"copy"
+ ,"dst_dpath": d["dst_dpath"]
+ ,"dst_fname": d["dst_fname"]
+ ,"owner_name": d["owner_name"]
+ ,"mode_int": d["mode_int"]
+ ,"mode_octal_str": d["mode_octal_str"]
+ ,"content_bytes": d["content_bytes"]
+ })
+
+ def delete(self)-> None:
+ "Given: defaults. Does: append a delete op. Returns: None."
+ d = self._require_defaults()
+ self._entries_list.append({
+ "op":"delete"
+ ,"dst_dpath": d["dst_dpath"]
+ ,"dst_fname": d["dst_fname"]
+ })
+
+# exported singleton
+Stage = _Planner()
--- /dev/null
+#!/usr/bin/env -S python3 -B
+"""
+executor.py — StageHand outer/inner executor (MVP; UNPRIVILEGED for now)
+
+Phase 0 (bootstrap):
+ - Ensure filter program exists (create default in CWD if --filter omitted)
+ - Validate --stage exists
+ - If --phase-0-then-stop: exit here (no scan ,no execution)
+
+Phase 1 (outer):
+ - Discover every file under --stage; acceptance filter decides which to include
+ - Execute each config’s configure(prov ,planner ,WriteFileMeta) into ONE Planner
+ - Optionally print the planner; optionally stop
+
+Phase 2 (inner shim in same program for now; no privilege yet):
+ - Encode plan to CBOR and hand to inner path
+ - Inner decodes to a Journal and can print it
+"""
+
+from __future__ import annotations
+
+# no bytecode anywhere
+import sys ,os
+sys.dont_write_bytecode = True
+os.environ.setdefault("PYTHONDONTWRITEBYTECODE" ,"1")
+
+from pathlib import Path
+import argparse
+import getpass
+import tempfile
+import runpy
+import subprocess
+import datetime as _dt
+import stat
+
+# Local module: Planner.py (same directory)
+from Planner import (
+ Planner ,PlanProvenance ,WriteFileMeta ,Journal ,Command,
+)
+
+# -------- default filter template (written to CWD when --filter not provided) --------
+
+DEFAULT_FILTER_FILENAME = "stagehand_filter.py"
+
+DEFAULT_FILTER_SOURCE = """# StageHand acceptance filter (default template)
+# Return True to include a config file ,False to skip it.
+# You receive a PlanProvenance object named `prov`.
+#
+# prov fields commonly used here:
+# prov.stage_root_dpath : Path → absolute path to the stage root
+# prov.config_abs_fpath : Path → absolute path to the candidate file
+# prov.config_rel_fpath : Path → path relative to the stage root
+# prov.read_dir_dpath : Path → directory of the candidate file
+# prov.read_fname : str → filename with trailing '.py' stripped (if present)
+#
+# Examples:
+#
+# 1) Accept everything (default behavior):
+# def accept(prov):
+# return True
+#
+# 2) Only accept configs in a 'dns/' namespace under the stage:
+# def accept(prov):
+# return prov.config_rel_fpath.as_posix().startswith("dns/")
+#
+# 3) Exclude editor backup files:
+# def accept(prov):
+# rel = prov.config_rel_fpath.as_posix()
+# return not (rel.endswith("~") or rel.endswith(".swp"))
+#
+# 4) Only accept Python files + a few non-Python names:
+# def accept(prov):
+# name = prov.config_abs_fpath.name
+# return name.endswith(".py") or name in {"hosts" ,"resolv.conf"}
+#
+# Choose ONE 'accept' definition. Below is the default:
+
+def accept(prov):
+ return True
+"""
+
+# -------- utilities --------
+
+def iso_utc_now_str() -> str:
+ return _dt.datetime.utcnow().strftime("%Y%m%dT%H%M%SZ")
+
+def _ensure_filter_file(filter_arg: str|None) -> Path:
+ """
+ If --filter is provided ,return that path (must exist).
+ Otherwise ,create ./stagehand_filter.py in the CWD if missing (writing a helpful template),
+ and return its path.
+ """
+ if filter_arg:
+ p = Path(filter_arg)
+ if not p.is_file():
+ raise RuntimeError(f"--filter file not found: {p}")
+ return p
+
+ p = Path.cwd() / DEFAULT_FILTER_FILENAME
+ if not p.exists():
+ try:
+ p.write_text(DEFAULT_FILTER_SOURCE ,encoding="utf-8")
+ print(f"(created default filter at {p})")
+ except Exception as e:
+ raise RuntimeError(f"failed to create default filter {p}: {e}")
+ return p
+
+def _load_accept_func(filter_path: Path):
+ env = runpy.run_path(str(filter_path))
+ fn = env.get("accept")
+ if not callable(fn):
+ raise RuntimeError(f"{filter_path}: missing callable 'accept(prov)'")
+ return fn
+
+def _walk_all_files(stage_root: Path):
+ """
+ Yield every file (regular or symlink) under stage_root recursively.
+ We do not follow symlinked directories to avoid cycles.
+ """
+ root = stage_root.resolve()
+ for dirpath ,dirnames ,filenames in os.walk(root ,followlinks=False):
+ # prune symlinked dirs (files can still be symlinks)
+ dirnames[:] = [d for d in dirnames if not os.path.islink(os.path.join(dirpath ,d))]
+ for fname in filenames:
+ p = Path(dirpath ,fname)
+ try:
+ st = p.lstat()
+ if stat.S_ISREG(st.st_mode) or stat.S_ISLNK(st.st_mode):
+ yield p.resolve()
+ except Exception:
+ # unreadable/broken entries skipped
+ continue
+
+def find_config_paths(stage_root: Path ,accept_func) -> list[Path]:
+ out: list[tuple[int ,str ,Path]] = []
+ root = stage_root.resolve()
+ for p in _walk_all_files(stage_root):
+ prov = PlanProvenance(stage_root=stage_root ,config_path=p)
+ try:
+ if accept_func(prov):
+ rel = p.resolve().relative_to(root)
+ out.append((len(rel.parts) ,rel.as_posix() ,p.resolve()))
+ except Exception as e:
+ raise RuntimeError(f"accept() failed on {prov.config_rel_fpath.as_posix()}: {e}")
+ out.sort(key=lambda t: (t[0] ,t[1])) # (depth ,name)
+ return [t[2] for t in out]
+
+# --- run all configs into ONE planner ---
+
+def _run_all_configs_into_single_planner(stage_root: Path ,cfgs: list[Path]) -> Planner:
+ """
+ Create a single Planner and execute each config's configure(prov ,planner ,WriteFileMeta)
+ against it. Returns that single Planner containing the entire plan.
+ """
+ # seed with synthetic provenance; we overwrite per config before execution
+ aggregate_prov = PlanProvenance(stage_root=stage_root ,config_path=stage_root / "(aggregate).py")
+ planner = Planner(provenance=aggregate_prov)
+
+ for cfg in cfgs:
+ prov = PlanProvenance(stage_root=stage_root ,config_path=cfg)
+ planner.set_provenance(prov)
+
+ env = runpy.run_path(str(cfg))
+ fn = env.get("configure")
+ if not callable(fn):
+ raise RuntimeError(f"{cfg}: missing callable configure(prov ,planner ,WriteFileMeta)")
+
+ fn(prov ,planner ,WriteFileMeta)
+
+ # annotate meta once ,on the single planner's journal
+ j = planner.journal()
+ j.set_meta(
+ generator_prog_str="executor.py",
+ generated_at_utc_str=iso_utc_now_str(),
+ user_name_str=getpass.getuser(),
+ host_name_str=os.uname().nodename if hasattr(os ,"uname") else "unknown",
+ stage_root_dpath_str=str(stage_root.resolve()),
+ configs_list=[str(p.resolve().relative_to(stage_root.resolve())) for p in cfgs],
+ )
+ return planner
+
+# ----- CBOR “matchbox” (simple wrapper kept local to executor) -----
+
+def _plan_to_cbor_bytes(planner: Planner) -> bytes:
+ """Serialize a Planner's Journal to CBOR bytes."""
+ try:
+ import cbor2
+ except Exception as e:
+ raise RuntimeError(f"cbor2 is required: {e}")
+ plan_dict = planner.journal().as_dictionary()
+ return cbor2.dumps(plan_dict ,canonical=True)
+
+def _journal_from_cbor_bytes(data: bytes) -> Journal:
+ """Rebuild a Journal from CBOR bytes."""
+ try:
+ import cbor2
+ except Exception as e:
+ raise RuntimeError(f"cbor2 is required: {e}")
+ obj = cbor2.loads(data)
+ if not isinstance(obj ,dict):
+ raise ValueError("CBOR root must be a dict")
+ return Journal(plan_dict=obj)
+
+# -------- inner executor (phase 2) --------
+
+def _inner_main(plan_path: Path ,phase2_print: bool ,phase2_then_stop: bool) -> int:
+ """Inner executor path: decode CBOR → Journal; optionally print; (apply TBD)."""
+ try:
+ data = Path(plan_path).read_bytes()
+ except Exception as e:
+ print(f"error: failed to read plan file: {e}" ,file=sys.stderr)
+ return 2
+
+ try:
+ journal = _journal_from_cbor_bytes(data)
+ except Exception as e:
+ print(f"error: failed to decode CBOR: {e}" ,file=sys.stderr)
+ return 2
+
+ if phase2_print:
+ journal.print()
+
+ if phase2_then_stop:
+ return 0
+
+ # (Stage 3 apply would go here; omitted in MVP)
+ return 0
+
+# -------- outer executor (phase 1 & handoff) --------
+
+def _outer_main(stage_root: Path ,accept_func ,args) -> int:
+ if not stage_root.is_dir():
+ print(f"error: --stage not a directory: {stage_root}" ,file=sys.stderr)
+ return 2
+
+ cfgs = find_config_paths(stage_root ,accept_func)
+ if not cfgs:
+ print("No configuration files found.")
+ return 0
+
+ try:
+ master = _run_all_configs_into_single_planner(stage_root ,cfgs)
+ except SystemExit:
+ raise
+ except Exception as e:
+ print(f"error: executing configs: {e}" ,file=sys.stderr)
+ return 2
+
+ if args.phase_1_print:
+ master.print()
+
+ if args.phase_1_then_stop:
+ return 0
+
+ # Phase 2: encode CBOR and invoke inner path (same script ,--inner)
+ try:
+ cbor_bytes = _plan_to_cbor_bytes(master)
+ except Exception as e:
+ print(f"error: CBOR encode failed: {e}" ,file=sys.stderr)
+ return 2
+
+ with tempfile.NamedTemporaryFile(prefix="stagehand_plan_" ,suffix=".cbor" ,delete=False) as tf:
+ tf.write(cbor_bytes)
+ plan_path = tf.name
+
+ try:
+ cmd = [
+ sys.executable,
+ str(Path(__file__).resolve()),
+ "--inner",
+ "--plan" ,plan_path,
+ ]
+ if args.phase_2_print:
+ cmd.append("--phase-2-print")
+ if args.phase_2_then_stop:
+ cmd.append("--phase-2-then-stop")
+
+ proc = subprocess.run(cmd)
+ return proc.returncode
+ finally:
+ try:
+ os.unlink(plan_path)
+ except Exception:
+ pass
+
+# -------- CLI --------
+
+def main(argv: list[str] | None = None) -> int:
+ ap = argparse.ArgumentParser(
+ prog="executor.py",
+ description="StageHand outer/inner executor (plan → CBOR → decode).",
+ )
+ ap.add_argument("--stage" ,default="stage",
+ help="stage root directory (default: ./stage)")
+ ap.add_argument(
+ "--filter",
+ default="",
+ help=f"path to acceptance filter program exporting accept(prov) "
+ f"(default: ./{DEFAULT_FILTER_FILENAME}; created if missing)"
+ )
+ ap.add_argument(
+ "--phase-0-then-stop",
+ action="store_true",
+ help="stop after arg checks & filter bootstrap (no stage scan)"
+ )
+
+ # Phase-1 (outer) controls
+ ap.add_argument("--phase-1-print" ,action="store_true" ,help="print master planner (phase 1)")
+ ap.add_argument("--phase-1-then-stop" ,action="store_true" ,help="stop after phase 1")
+
+ # Phase-2 (inner) controls (outer forwards these to inner)
+ ap.add_argument("--phase-2-print" ,action="store_true" ,help="print decoded journal (phase 2)")
+ ap.add_argument("--phase-2-then-stop" ,action="store_true" ,help="stop after phase 2 decode")
+
+ # Inner-only flags (not for users)
+ ap.add_argument("--inner" ,action="store_true" ,help=argparse.SUPPRESS)
+ ap.add_argument("--plan" ,default=None ,help=argparse.SUPPRESS)
+
+ args = ap.parse_args(argv)
+
+ # Inner path
+ if args.inner:
+ if not args.plan:
+ print("error: --inner requires --plan <file>" ,file=sys.stderr)
+ return 2
+ return _inner_main(Path(args.plan),
+ phase2_print=args.phase_2_print,
+ phase2_then_stop=args.phase_2_then_stop)
+
+ # Phase 0: bootstrap & stop (no scan)
+ stage_root = Path(args.stage)
+ try:
+ filter_path = _ensure_filter_file(args.filter or None)
+ except Exception as e:
+ print(f"error: {e}" ,file=sys.stderr)
+ return 2
+
+ if not stage_root.exists():
+ print(f"error: --stage not found: {stage_root}" ,file=sys.stderr)
+ return 2
+ if not stage_root.is_dir():
+ print(f"error: --stage is not a directory: {stage_root}" ,file=sys.stderr)
+ return 2
+
+ if args.phase_0_then_stop:
+ print(f"phase-0 OK: stage at {stage_root.resolve()} and filter at {filter_path}")
+ return 0
+
+ # Load acceptance function and proceed with outer
+ try:
+ accept_func = _load_accept_func(filter_path)
+ except Exception as e:
+ print(f"error: {e}" ,file=sys.stderr)
+ return 2
+
+ return _outer_main(stage_root ,accept_func ,args)
+
+if __name__ == "__main__":
+ sys.exit(main())
--- /dev/null
+
+#!/usr/bin/env -S python3 -B
+"""
+executor.py — StageHand outer/inner executor (MVP; UNPRIVILEGED for now)
+
+Phase 0 (bootstrap):
+ - Ensure filter program exists (create default in CWD if --filter omitted)
+ - Validate --stage exists
+ - If --phase-0-then-stop: exit here (no scan, no execution)
+
+Phase 1 (outer):
+ - Discover every file under --stage; acceptance filter decides which to include
+ - Execute each config’s configure(prov, planner, WriteFileMeta) into ONE Planner
+ - Optionally print the planner; optionally stop
+
+Phase 2 (inner shim in same program for now; no privilege yet):
+ - Encode plan to CBOR and hand to inner path
+ - Inner decodes to a Journal and can print it
+"""
+
+from __future__ import annotations
+
+# no bytecode anywhere
+import sys, os
+sys.dont_write_bytecode = True
+os.environ.setdefault("PYTHONDONTWRITEBYTECODE", "1")
+
+from pathlib import Path
+import argparse
+import getpass
+import tempfile
+import runpy
+import subprocess
+import datetime as _dt
+import stat
+
+# Local module: Planner.py (same directory)
+from Planner import (
+ Planner, PlanProvenance, WriteFileMeta, Journal, Command,
+)
+
+# -------- default filter template (written to CWD when --filter not provided) --------
+
+DEFAULT_FILTER_FILENAME = "stagehand_filter.py"
+
+DEFAULT_FILTER_SOURCE = """# StageHand acceptance filter (default template)
+# Return True to include a config file, False to skip it.
+# You receive a PlanProvenance object named `prov`.
+#
+# prov fields commonly used here:
+# prov.stage_root_dpath : Path → absolute path to the stage root
+# prov.config_abs_fpath : Path → absolute path to the candidate file
+# prov.config_rel_fpath : Path → path relative to the stage root
+# prov.read_dir_dpath : Path → directory of the candidate file
+# prov.read_fname : str → filename with trailing '.py' stripped (if present)
+#
+# Examples:
+#
+# 1) Accept everything (default behavior):
+# def accept(prov):
+# return True
+#
+# 2) Only accept configs in a 'dns/' namespace under the stage:
+# def accept(prov):
+# return prov.config_rel_fpath.as_posix().startswith("dns/")
+#
+# 3) Exclude editor backup files:
+# def accept(prov):
+# rel = prov.config_rel_fpath.as_posix()
+# return not (rel.endswith("~") or rel.endswith(".swp"))
+#
+# 4) Only accept Python files + a few non-Python names:
+# def accept(prov):
+# name = prov.config_abs_fpath.name
+# return name.endswith(".py") or name in {"hosts", "resolv.conf"}
+#
+# Choose ONE 'accept' definition. Below is the default:
+
+def accept(prov):
+ return True
+"""
+
+# -------- utilities --------
+
+def iso_utc_now_str() -> str:
+ return _dt.datetime.utcnow().strftime("%Y%m%dT%H%M%SZ")
+
+def _ensure_filter_file(filter_arg: str|None) -> Path:
+ """
+ If --filter is provided, return that path (must exist).
+ Otherwise, create ./stagehand_filter.py in the CWD if missing (writing a helpful template),
+ and return its path.
+ """
+ if filter_arg:
+ p = Path(filter_arg)
+ if not p.is_file():
+ raise RuntimeError(f"--filter file not found: {p}")
+ return p
+
+ p = Path.cwd() / DEFAULT_FILTER_FILENAME
+ if not p.exists():
+ try:
+ p.write_text(DEFAULT_FILTER_SOURCE, encoding="utf-8")
+ print(f"(created default filter at {p})")
+ except Exception as e:
+ raise RuntimeError(f"failed to create default filter {p}: {e}")
+ return p
+
+def _load_accept_func(filter_path: Path):
+ env = runpy.run_path(str(filter_path))
+ fn = env.get("accept")
+ if not callable(fn):
+ raise RuntimeError(f"{filter_path}: missing callable 'accept(prov)'")
+ return fn
+
+def _walk_all_files(stage_root: Path):
+ """
+ Yield every file (regular or symlink) under stage_root recursively.
+ We do not follow symlinked directories to avoid cycles.
+ """
+ root = stage_root.resolve()
+ for dirpath, dirnames, filenames in os.walk(root, followlinks=False):
+ # prune symlinked dirs (files can still be symlinks)
+ dirnames[:] = [d for d in dirnames if not os.path.islink(os.path.join(dirpath, d))]
+ for fname in filenames:
+ p = Path(dirpath, fname)
+ try:
+ st = p.lstat()
+ if stat.S_ISREG(st.st_mode) or stat.S_ISLNK(st.st_mode):
+ yield p.resolve()
+ except Exception:
+ # unreadable/broken entries skipped
+ continue
+
+def find_config_paths(stage_root: Path, accept_func) -> list[Path]:
+ """
+ Return files accepted by the Python acceptance function: accept(prov) → True/False.
+ """
+ out: list[Path] = []
+ for p in _walk_all_files(stage_root):
+ prov = PlanProvenance(stage_root=stage_root, config_path=p)
+ try:
+ if accept_func(prov):
+ out.append(p)
+ except Exception as e:
+ raise RuntimeError(f"accept() failed on {prov.config_rel_fpath.as_posix()}: {e}")
+ return sorted(out, key=lambda q: q.as_posix())
+
+# --- run all configs into ONE planner ---
+
+def _run_all_configs_into_single_planner(stage_root: Path, cfgs: list[Path]) -> Planner:
+ """
+ Create a single Planner and execute each config's configure(prov, planner, WriteFileMeta)
+ against it. Returns that single Planner containing the entire plan.
+ """
+ # seed with synthetic provenance; we overwrite per config before execution
+ aggregate_prov = PlanProvenance(stage_root=stage_root, config_path=stage_root / "(aggregate).py")
+ planner = Planner(provenance=aggregate_prov)
+
+ for cfg in cfgs:
+ prov = PlanProvenance(stage_root=stage_root, config_path=cfg)
+ planner.set_provenance(prov)
+
+ env = runpy.run_path(str(cfg))
+ fn = env.get("configure")
+ if not callable(fn):
+ raise RuntimeError(f"{cfg}: missing callable configure(prov, planner, WriteFileMeta)")
+
+ fn(prov, planner, WriteFileMeta)
+
+ # annotate meta once, on the single planner's journal
+ j = planner.journal()
+ j.set_meta(
+ generator_prog_str="executor.py",
+ generated_at_utc_str=iso_utc_now_str(),
+ user_name_str=getpass.getuser(),
+ host_name_str=os.uname().nodename if hasattr(os, "uname") else "unknown",
+ stage_root_dpath_str=str(stage_root.resolve()),
+ configs_list=[str(p.resolve().relative_to(stage_root.resolve())) for p in cfgs],
+ )
+ return planner
+
+# ----- CBOR “matchbox” (simple wrapper kept local to executor) -----
+
+def _plan_to_cbor_bytes(planner: Planner) -> bytes:
+ """Serialize a Planner's Journal to CBOR bytes."""
+ try:
+ import cbor2
+ except Exception as e:
+ raise RuntimeError(f"cbor2 is required: {e}")
+ plan_dict = planner.journal().as_dictionary()
+ return cbor2.dumps(plan_dict, canonical=True)
+
+def _journal_from_cbor_bytes(data: bytes) -> Journal:
+ """Rebuild a Journal from CBOR bytes."""
+ try:
+ import cbor2
+ except Exception as e:
+ raise RuntimeError(f"cbor2 is required: {e}")
+ obj = cbor2.loads(data)
+ if not isinstance(obj, dict):
+ raise ValueError("CBOR root must be a dict")
+ return Journal(plan_dict=obj)
+
+# -------- inner executor (phase 2) --------
+
+def _inner_main(plan_path: Path, phase2_print: bool, phase2_then_stop: bool) -> int:
+ """Inner executor path: decode CBOR → Journal; optionally print; (apply TBD)."""
+ try:
+ data = Path(plan_path).read_bytes()
+ except Exception as e:
+ print(f"error: failed to read plan file: {e}", file=sys.stderr)
+ return 2
+
+ try:
+ journal = _journal_from_cbor_bytes(data)
+ except Exception as e:
+ print(f"error: failed to decode CBOR: {e}", file=sys.stderr)
+ return 2
+
+ if phase2_print:
+ journal.print()
+
+ if phase2_then_stop:
+ return 0
+
+ # (Stage 3 apply would go here; omitted in MVP)
+ return 0
+
+# -------- outer executor (phase 1 & handoff) --------
+
+def _outer_main(stage_root: Path, accept_func, args) -> int:
+ if not stage_root.is_dir():
+ print(f"error: --stage not a directory: {stage_root}", file=sys.stderr)
+ return 2
+
+ cfgs = find_config_paths(stage_root, accept_func)
+ if not cfgs:
+ print("No configuration files found.")
+ return 0
+
+ try:
+ master = _run_all_configs_into_single_planner(stage_root, cfgs)
+ except SystemExit:
+ raise
+ except Exception as e:
+ print(f"error: executing configs: {e}", file=sys.stderr)
+ return 2
+
+ if args.phase_1_print:
+ master.print()
+
+ if args.phase_1_then_stop:
+ return 0
+
+ # Phase 2: encode CBOR and invoke inner path (same script, --inner)
+ try:
+ cbor_bytes = _plan_to_cbor_bytes(master)
+ except Exception as e:
+ print(f"error: CBOR encode failed: {e}", file=sys.stderr)
+ return 2
+
+ with tempfile.NamedTemporaryFile(prefix="stagehand_plan_", suffix=".cbor", delete=False) as tf:
+ tf.write(cbor_bytes)
+ plan_path = tf.name
+
+ try:
+ cmd = [
+ sys.executable,
+ str(Path(__file__).resolve()),
+ "--inner",
+ "--plan", plan_path,
+ ]
+ if args.phase_2_print:
+ cmd.append("--phase-2-print")
+ if args.phase_2_then_stop:
+ cmd.append("--phase-2-then-stop")
+
+ proc = subprocess.run(cmd)
+ return proc.returncode
+ finally:
+ try:
+ os.unlink(plan_path)
+ except Exception:
+ pass
+
+# -------- CLI --------
+
+def main(argv: list[str] | None = None) -> int:
+ ap = argparse.ArgumentParser(
+ prog="executor.py",
+ description="StageHand outer/inner executor (plan → CBOR → decode).",
+ )
+ ap.add_argument("--stage", default="stage",
+ help="stage root directory (default: ./stage)")
+ ap.add_argument(
+ "--filter",
+ default="",
+ help=f"path to acceptance filter program exporting accept(prov) "
+ f"(default: ./{DEFAULT_FILTER_FILENAME}; created if missing)"
+ )
+ ap.add_argument(
+ "--phase-0-then-stop",
+ action="store_true",
+ help="stop after arg checks & filter bootstrap (no stage scan)"
+ )
+
+ # Phase-1 (outer) controls
+ ap.add_argument("--phase-1-print", action="store_true", help="print master planner (phase 1)")
+ ap.add_argument("--phase-1-then-stop", action="store_true", help="stop after phase 1")
+
+ # Phase-2 (inner) controls (outer forwards these to inner)
+ ap.add_argument("--phase-2-print", action="store_true", help="print decoded journal (phase 2)")
+ ap.add_argument("--phase-2-then-stop", action="store_true", help="stop after phase 2 decode")
+
+ # Inner-only flags (not for users)
+ ap.add_argument("--inner", action="store_true", help=argparse.SUPPRESS)
+ ap.add_argument("--plan", default=None, help=argparse.SUPPRESS)
+
+ args = ap.parse_args(argv)
+
+ # Inner path
+ if args.inner:
+ if not args.plan:
+ print("error: --inner requires --plan <file>", file=sys.stderr)
+ return 2
+ return _inner_main(Path(args.plan),
+ phase2_print=args.phase_2_print,
+ phase2_then_stop=args.phase_2_then_stop)
+
+ # Phase 0: bootstrap & stop (no scan)
+ stage_root = Path(args.stage)
+ try:
+ filter_path = _ensure_filter_file(args.filter or None)
+ except Exception as e:
+ print(f"error: {e}", file=sys.stderr)
+ return 2
+
+ if not stage_root.exists():
+ print(f"error: --stage not found: {stage_root}", file=sys.stderr)
+ return 2
+ if not stage_root.is_dir():
+ print(f"error: --stage is not a directory: {stage_root}", file=sys.stderr)
+ return 2
+
+ if args.phase_0_then_stop:
+ print(f"phase-0 OK: stage at {stage_root.resolve()} and filter at {filter_path}")
+ return 0
+
+ # Load acceptance function and proceed with outer
+ try:
+ accept_func = _load_accept_func(filter_path)
+ except Exception as e:
+ print(f"error: {e}", file=sys.stderr)
+ return 2
+
+ return _outer_main(stage_root, accept_func, args)
+
+if __name__ == "__main__":
+ sys.exit(main())
--- /dev/null
+#!/usr/bin/env -S python3 -B
+"""
+ls_stage.py — list staged files and their header-declared install metadata.
+
+Header line format (first line of each file):
+ <owner> <permissions> <write_file_name> <target_directory_path>
+
+- owner: username string (need not exist until install time)
+- permissions: four octal digits, e.g. 0644
+- write_file_name: '.' means use the read file's basename, else use the given POSIX filename
+- target_directory_path: POSIX directory path (usually absolute, e.g. /etc/unbound)
+
+Output formats:
+- list (default): "read_file_path: owner permissions write_file_name target_directory_path"
+- table: columns aligned for readability
+"""
+
+from __future__ import annotations
+
+# never write bytecode (root/sudo friendly)
+import sys ,os
+sys.dont_write_bytecode = True
+os.environ.setdefault("PYTHONDONTWRITEBYTECODE" ,"1")
+
+from dataclasses import dataclass
+from pathlib import Path
+import argparse
+import re
+
+# === Stage utilities (importable) ===
+
+def stage_read_file_paths(stage_root: Path)-> list[Path]:
+ """Given: stage_root directory.
+ Does: recursively enumerate regular files (follows symlinks to files), keep paths relative to stage_root.
+ Returns: list[Path] of POSIX-order sorted relative paths (no leading slash).
+ """
+ rels: list[Path] = []
+ for p in stage_root.rglob("*"):
+ try:
+ if p.is_file(): # follows symlink-to-file
+ rels.append(p.relative_to(stage_root))
+ except (FileNotFoundError ,RuntimeError):
+ # broken link or race; skip conservatively
+ continue
+ return sorted(rels ,key=lambda x: x.as_posix())
+
+@dataclass
+class StageRow:
+ read_rel: Path # e.g. Path("etc/unbound/unbound.conf.staged")
+ owner: str # token[0]
+ perm_octal_str: str # token[1], exactly as in header (validated ####)
+ perm_int: int # token[1] parsed as base-8
+ write_name: str # token[2] ('.' resolved to read_rel.name)
+ target_dir: Path # token[3] (Path)
+ header_raw: str # original header line (sans newline)
+
+ # convenience
+ def write_abs(self ,root: Path)-> Path:
+ return (root / self.target_dir.relative_to("/")) if self.target_dir.is_absolute() else (root / self.target_dir) / self.write_name
+
+# header parsing rules
+_PERM_RE = re.compile(r"^[0-7]{4}$")
+
+def parse_stage_header_line(header: str ,read_rel: Path)-> tuple[StageRow|None ,str|None]:
+ """Given: raw first line of a staged file and its stage-relative path.
+ Does: parse '<owner> <perm> <write_name> <target_dir>' with max 4 tokens (target_dir may contain spaces if quoted not required).
+ Returns: (StageRow, None) on success, or (None, error_message) on failure. Does NOT touch filesystem.
+ """
+ # strip BOM and trailing newline/spaces
+ h = header.lstrip("\ufeff").strip()
+ if not h:
+ return None ,f"empty header line in {read_rel}"
+ parts = h.split(maxsplit=3)
+ if len(parts) != 4:
+ return None ,f"malformed header in {read_rel}: expected 4 fields, got {len(parts)}"
+ owner ,perm_s ,write_name ,target_dir_s = parts
+
+ if not _PERM_RE.fullmatch(perm_s):
+ return None ,f"invalid permissions '{perm_s}' in {read_rel}: must be four octal digits"
+
+ # resolve '.' → basename
+ resolved_write_name = read_rel.name if write_name == "." else write_name
+
+ # MVP guard: write_name should be a single filename (no '/')
+ if "/" in resolved_write_name:
+ return None ,f"write_file_name must not contain '/': got '{resolved_write_name}' in {read_rel}"
+
+ # target dir may be absolute (recommended) or relative (we treat relative as under the install root)
+ target_dir = Path(target_dir_s)
+
+ try:
+ row = StageRow(
+ read_rel = read_rel
+ ,owner = owner
+ ,perm_octal_str = perm_s
+ ,perm_int = int(perm_s ,8)
+ ,write_name = resolved_write_name
+ ,target_dir = target_dir
+ ,header_raw = h
+ )
+ return row ,None
+ except Exception as e:
+ return None ,f"internal parse error in {read_rel}: {e}"
+
+def read_first_line(p: Path)-> str:
+ """Return the first line (sans newline). UTF-8 with BOM tolerant."""
+ with open(p ,"r" ,encoding="utf-8" ,errors="replace") as fh:
+ line = fh.readline()
+ return line.rstrip("\n\r")
+
+def scan_stage(stage_root: Path)-> tuple[list[StageRow] ,list[str]]:
+ """Given: stage_root.
+ Does: enumerate files, parse each header line, collect rows and errors.
+ Returns: (rows, errors)
+ """
+ rows: list[StageRow] = []
+ errs: list[str] = []
+ for rel in stage_read_file_paths(stage_root):
+ abs_path = stage_root / rel
+ try:
+ header = read_first_line(abs_path)
+ except Exception as e:
+ errs.append(f"read error in {rel}: {e}")
+ continue
+ row ,err = parse_stage_header_line(header ,rel)
+ if err:
+ errs.append(err)
+ else:
+ rows.append(row) # type: ignore[arg-type]
+ return rows ,errs
+
+# === Printers ===
+
+def print_list(rows: list[StageRow])-> None:
+ """Print: 'read_file_path: owner permissions write_file_name target_directory_path' per line."""
+ for r in rows:
+ print(f"{r.read_rel.as_posix()}: {r.owner} {r.perm_octal_str} {r.write_name} {r.target_dir}")
+
+def print_table(rows: list[StageRow])-> None:
+ """Aligned table printer (no headers, just data in columns)."""
+ if not rows:
+ return
+ a = [r.read_rel.as_posix() for r in rows]
+ b = [r.owner for r in rows]
+ c = [r.perm_octal_str for r in rows]
+ d = [r.write_name for r in rows]
+ e = [str(r.target_dir) for r in rows]
+ wa = max(len(s) for s in a)
+ wb = max(len(s) for s in b)
+ wc = max(len(s) for s in c)
+ wd = max(len(s) for s in d)
+ # e (target_dir) left ragged
+ for sa ,sb ,sc ,sd ,se in zip(a ,b ,c ,d ,e):
+ print(f"{sa:<{wa}} {sb:<{wb}} {sc:<{wc}} {sd:<{wd}} {se}")
+
+# === Orchestrator ===
+
+def ls_stage(stage_root: Path ,fmt: str="list")-> int:
+ """Given: stage_root and output format ('list'|'table').
+ Does: scan and parse staged files, print in the requested format; report syntax errors to stderr.
+ Returns: 0 on success; 1 if any syntax errors were encountered.
+ """
+ rows ,errs = scan_stage(stage_root)
+ if fmt == "table":
+ print_table(rows)
+ else:
+ print_list(rows)
+ if errs:
+ print("\nerror(s):" ,file=sys.stderr)
+ for e in errs:
+ print(f" - {e}" ,file=sys.stderr)
+ return 1
+ return 0
+
+# === CLI ===
+
+def main(argv: list[str] | None=None)-> int:
+ ap = argparse.ArgumentParser(
+ prog="ls_stage.py"
+ ,description="List staged files and their header-declared install metadata."
+ )
+ ap.add_argument("--stage" ,default="stage",help="stage directory (default: ./stage)")
+ ap.add_argument("--format" ,choices=["list" ,"table"] ,default="list"
+ ,help="output format (default: list)")
+ args = ap.parse_args(argv)
+ stage_root = Path(args.stage)
+ if not stage_root.exists() or not stage_root.is_dir():
+ print(f"error: stage directory not found or not a directory: {stage_root}" ,file=sys.stderr)
+ return 2
+ return ls_stage(stage_root ,fmt=args.format)
+
+if __name__ == "__main__":
+ sys.exit(main())
--- /dev/null
+table inet NO-IPV6 {
+ chain input {
+ type filter hook input priority raw; policy accept;
+ meta nfproto ipv6 counter comment "drop all IPv6 inbound" drop
+ }
+
+ chain output {
+ type filter hook output priority raw; policy accept;
+ meta nfproto ipv6 counter comment "drop all IPv6 outbound" drop
+ }
+
+ chain forward {
+ type filter hook forward priority raw; policy accept;
+ meta nfproto ipv6 counter comment "drop all IPv6 forward" drop
+ }
+}
--- /dev/null
+table inet SUBU-DNS-REDIRECT {
+ chain output {
+ type nat hook output priority -100; policy accept;
+
+ # Redirect DNS for the subu UIDs to local Unbound listeners
+ meta skuid 2017 udp dport 53 redirect to :5301
+ meta skuid 2018 udp dport 53 redirect to :5302
+ meta skuid 2017 tcp dport 53 redirect to :5301
+ meta skuid 2018 tcp dport 53 redirect to :5302
+ }
+}
+
+table inet SUBU-PORT-EGRESS {
+ chain output {
+ type filter hook output priority 0; policy accept;
+
+ # Always allow loopback on egress
+ oifname "lo" accept
+
+ # No IPv6 for subu (until you reintroduce v6)
+ meta skuid {2017,2018} meta nfproto ipv6 counter comment "no IPv6 for subu" drop
+
+ ##### x6 (UID 2018)
+ # Block some exfil channels regardless of iface
+ meta skuid 2018 tcp dport {25,465,587} counter comment "block SMTP/Submission" drop
+ meta skuid 2018 udp dport {3478,5349,19302-19309} counter comment "block STUN/TURN" drop
+ meta skuid 2018 tcp dport 853 counter comment "block DoT (TCP/853)" drop
+
+ # (Optional) allow ICMP echo out via x6
+ meta skuid 2018 oifname "x6" ip protocol icmp icmp type echo-request accept
+
+ # Enforce interface binding
+ meta skuid 2018 oifname "x6" accept
+ meta skuid 2018 oifname != "x6" counter comment "x6 must use wg x6" drop
+
+ ##### US (UID 2017)
+ meta skuid 2017 tcp dport {25,465,587} counter drop comment "block SMTP/Submission"
+ meta skuid 2017 udp dport {3478,5349,19302-19309} counter drop comment "block STUN/TURN"
+ meta skuid 2017 tcp dport 853 counter drop comment "block DoT (TCP/853)"
+
+ # (Optional) ICMP via US
+ meta skuid 2017 oifname "US" ip protocol icmp icmp type echo-request accept
+
+ meta skuid 2017 oifname "US" accept
+ meta skuid 2017 oifname != "US" counter comment "US must use wg US" drop
+ }
+}
--- /dev/null
+[Unit]
+Description=Unbound DNS instance for %i (per-subu tunnel egress)
+After=network-online.target wg-quick@%i.service
+Requires=wg-quick@%i.service
+Wants=network-online.target
+
+[Service]
+Type=simple
+ExecStart=/usr/sbin/unbound -d -p -c /etc/unbound/unbound-%i.conf
+User=unbound
+Group=unbound
+Restart=on-failure
+RestartSec=2s
+AmbientCapabilities=CAP_NET_BIND_SERVICE
+CapabilityBoundingSet=CAP_NET_BIND_SERVICE
+NoNewPrivileges=true
+
+[Install]
+WantedBy=multi-user.target
--- /dev/null
+server:
+ username: "unbound"
+ chroot: ""
+ directory: "/etc/unbound"
+ do-daemonize: no
+ interface: 127.0.0.1@5301
+ hide-identity: yes
+ hide-version: yes
+ harden-glue: yes
+ harden-dnssec-stripped: yes
+ qname-minimisation: yes
+ prefetch: yes
+ outgoing-interface: 10.0.0.1
+
+forward-zone:
+ name: "."
+ forward-addr: 1.1.1.1
+ forward-addr: 1.0.0.1
--- /dev/null
+server:
+ username: "unbound"
+ chroot: ""
+ directory: "/etc/unbound"
+ do-daemonize: no
+ interface: 127.0.0.1@5302
+ hide-identity: yes
+ hide-version: yes
+ harden-glue: yes
+ harden-dnssec-stripped: yes
+ qname-minimisation: yes
+ prefetch: yes
+ outgoing-interface: 10.8.0.2
+
+forward-zone:
+ name: "."
+ forward-addr: 1.1.1.1
+ forward-addr: 1.0.0.1
--- /dev/null
+#!/usr/bin/env bash
+set -euo pipefail
+echo "== DNS status =="
+systemctl --no-pager --full status DNS-redirect unbound@US unbound@x6 || true
+echo
+echo "== nftables =="
+nft list table inet NAT-DNS-REDIRECT || true
+echo
+echo "== Unbound logs (last 50 lines each) =="
+journalctl -u unbound@US -n 50 --no-pager || true
+echo
+journalctl -u unbound@x6 -n 50 --no-pager || true
--- /dev/null
+#!/usr/bin/env -S python3 -B
+"""
+stage_show_plan.py — run staged configs (UNPRIVILEGED) and print the plan.
+
+Given: a stage root directory.
+Does: loads Stage.py, executes each config, builds a native plan map, summarizes it.
+Returns: exit code 0 on success, non-zero on error.
+"""
+from __future__ import annotations
+import sys ,os
+sys.dont_write_bytecode = True
+os.environ.setdefault("PYTHONDONTWRITEBYTECODE" ,"1")
+
+from pathlib import Path
+import argparse ,importlib.util ,runpy ,socket ,getpass ,time ,hashlib
+
+# ---------- helpers ----------
+
+def _load_stage_module(stage_root_dpath: Path):
+ "Given: stage root path. Does: load Stage.py as module 'Stage'. Returns: module."
+ mod_fpath = stage_root_dpath/"Stage.py"
+ if not mod_fpath.exists():
+ raise FileNotFoundError(f"Stage.py not found at {mod_fpath}")
+ spec = importlib.util.spec_from_file_location("Stage" ,str(mod_fpath))
+ mod = importlib.util.module_from_spec(spec)
+ sys.modules["Stage"] = mod
+ assert spec and spec.loader
+ spec.loader.exec_module(mod) # type: ignore
+ return mod
+
+def _config_rel_fpaths(stage_root_dpath: Path)-> list[Path]:
+ "Given: stage root. Does: collect *.py (excluding Stage.py) as relative file paths. Returns: list[Path]."
+ rel_fpath_list: list[Path] = []
+ for p in stage_root_dpath.rglob("*.py"):
+ if p.name == "Stage.py": continue
+ if p.is_file():
+ rel_fpath_list.append(p.relative_to(stage_root_dpath))
+ return sorted(rel_fpath_list ,key=lambda x: x.as_posix())
+
+def _sha256_hex(b: bytes)-> str:
+ "Given: bytes. Does: sha256. Returns: hex string."
+ return hashlib.sha256(b).hexdigest()
+
+# ---------- main ----------
+
+def main(argv: list[str]|None=None)-> int:
+ "Given: CLI. Does: show plan. Returns: exit code."
+ ap = argparse.ArgumentParser(prog="stage_show_plan.py"
+ ,description="Run staged config scripts and print the resulting plan.")
+ ap.add_argument("--stage",default="stage",help="stage directory (default: ./stage)")
+ args = ap.parse_args(argv)
+
+ stage_root_dpath = Path(args.stage)
+ StageMod = _load_stage_module(stage_root_dpath)
+ Stage = StageMod.Stage
+ Stage._reset()
+ Stage.set_meta(
+ planner_user_name=getpass.getuser()
+ ,planner_uid_int=os.getuid()
+ ,planner_gid_int=os.getgid()
+ ,host_name=socket.gethostname()
+ ,created_utc_str=time.strftime("%Y-%m-%dT%H:%M:%SZ",time.gmtime())
+ )
+
+ for rel_fpath in _config_rel_fpaths(stage_root_dpath):
+ Stage._begin(read_rel_fpath=rel_fpath ,stage_root_dpath=stage_root_dpath)
+ runpy.run_path(str(stage_root_dpath/rel_fpath) ,run_name="__main__")
+ Stage._end()
+
+ plan_map = Stage.plan_object()
+ entries_list = plan_map["entries_list"]
+ print(f"Plan version: {plan_map['version_int']}")
+ print(f"Planner: {plan_map['meta_map'].get('planner_user_name')}@{plan_map['meta_map'].get('host_name')} "
+ f"UID:{plan_map['meta_map'].get('planner_uid_int')} GID:{plan_map['meta_map'].get('planner_gid_int')}")
+ print(f"Created: {plan_map['meta_map'].get('created_utc_str')}")
+ print(f"Entries: {len(entries_list)}\n")
+
+ for i ,e_map in enumerate(entries_list ,1):
+ op = e_map.get("op")
+ dst_fpath_str = f"{e_map.get('dst_dpath')}/{e_map.get('dst_fname')}"
+ if op == "copy":
+ content = e_map.get("content_bytes") or b""
+ sz = len(content)
+ mode = e_map.get("mode_octal_str") or "????"
+ owner = e_map.get("owner_name") or "?"
+ h = _sha256_hex(content)
+ print(f"{i:02d}. copy -> {dst_fpath_str} mode {mode} owner {owner} bytes {sz} sha256 {h[:16]}…")
+ elif op == "displace":
+ print(f"{i:02d}. displace -> {dst_fpath_str}")
+ elif op == "delete":
+ print(f"{i:02d}. delete -> {dst_fpath_str}")
+ else:
+ print(f"{i:02d}. ?op? -> {dst_fpath_str} ({op})")
+ return 0
+
+if __name__ == "__main__":
+ sys.exit(main())
--- /dev/null
+#!/usr/bin/env -S python3 -B
+"""
+executor_inner.py — Man_In_Gray phase-2 inner executor
+
+- Reads a CBOR plan file (--plan)
+- Decodes to Journal (via Planner.py model)
+- Optional checkpoints:
+ wellformed → sanity-1 → validity → sanity-2 → execute
+- Default behavior (no stop flags): apply the journal
+"""
+
+from __future__ import annotations
+
+# no bytecode anywhere
+import sys ,os
+sys.dont_write_bytecode = True
+os.environ.setdefault("PYTHONDONTWRITEBYTECODE" ,"1")
+
+from pathlib import Path
+import argparse
+import pwd
+import stat as _stat
+
+# Journal model comes from the same directory's Planner.py
+from Planner import (
+ Journal,
+)
+
+# -- helpers --
+
+def _realpath(p: str|Path)-> Path:
+ "Resolve as much as possible without requiring target leaf to exist."
+ return Path(os.path.realpath(str(p)))
+
+def _is_under(child: Path ,root: Path)-> bool:
+ "True if child is the same as or within root (after realpath)."
+ try:
+ child_r = _realpath(child)
+ root_r = _realpath(root)
+ # Python <3.9 compat for is_relative_to:
+ child_parts = child_r.as_posix().rstrip("/") + "/"
+ root_parts = root_r.as_posix().rstrip("/") + "/"
+ return child_parts.startswith(root_parts)
+ except Exception:
+ return False
+
+# --- CBOR load ---
+
+def _journal_from_cbor_bytes(data: bytes)-> Journal:
+ try:
+ import cbor2
+ except Exception as e:
+ raise RuntimeError(f"cbor2 is required: {e}")
+ obj = cbor2.loads(data)
+ if not isinstance(obj ,dict):
+ raise ValueError("CBOR root must be a dict")
+ return Journal(plan_dict=obj)
+
+# --- pretty helpers ---
+
+def _dst_from(ad: dict)-> str:
+ d = ad.get("write_file_dpath_str") or "?"
+ f = ad.get("write_file_fname") or "?"
+ try:
+ from pathlib import Path as _P
+ if isinstance(d ,str) and isinstance(f ,str) and "/" not in f:
+ return (_P(d)/f).as_posix()
+ except Exception:
+ pass
+ return f"{d}/{f}"
+
+def _mode_from_entry(ad: dict)-> int:
+ m = ad.get("mode_int")
+ if isinstance(m ,int): return m
+ s = ad.get("mode_octal_str")
+ if isinstance(s ,str):
+ try:
+ return int(s ,8)
+ except Exception:
+ pass
+ raise ValueError("invalid mode")
+
+# --- Phase: wellformed (schema/shape) ---
+
+def check_wellformed(journal: Journal)-> list[str]:
+ errs: list[str] = []
+ for i ,cmd in enumerate(journal.command_list ,start=1):
+ op = getattr(cmd ,"name_str" ,None)
+ ad = getattr(cmd ,"arg_dict" ,None)
+ if op not in {"copy" ,"displace" ,"delete"}:
+ errs.append(f"[{i}] unknown op: {op!r}")
+ continue
+ if not isinstance(ad ,dict):
+ errs.append(f"[{i}] arg_dict missing")
+ continue
+ d = ad.get("write_file_dpath_str")
+ f = ad.get("write_file_fname")
+ if not (isinstance(d ,str) and d.startswith("/")):
+ errs.append(f"[{i}] write_file_dpath_str must be absolute: {d!r}")
+ if not (isinstance(f ,str) and "/" not in f and f not in {"." ,""}):
+ errs.append(f"[{i}] write_file_fname must be a bare filename: {f!r}")
+ if op == "copy":
+ if "owner_name" not in ad:
+ errs.append(f"[{i}] copy: owner_name missing")
+ if "content_bytes" not in ad:
+ errs.append(f"[{i}] copy: content_bytes missing")
+ if "mode_int" not in ad and "mode_octal_str" not in ad:
+ errs.append(f"[{i}] copy: mode missing")
+ return errs
+
+# --- Phase: sanity-1 (cheap static sanity) ---
+
+def check_sanity_1(journal: Journal ,allowed_roots: list[Path])-> list[str]:
+ """
+ Scope fence: every destination directory must be under at least one allowed root.
+ Default allowed roots = [/etc, cwd_of_inner].
+ """
+ errs: list[str] = []
+ allowed_str = ", ".join(r.as_posix() for r in allowed_roots)
+ for i ,cmd in enumerate(journal.command_list ,start=1):
+ ad = cmd.arg_dict
+ d = ad.get("write_file_dpath_str")
+ if not isinstance(d ,str):
+ # wellformed will report it; skip here
+ continue
+ d_real = _realpath(d)
+ if not any(_is_under(d_real ,root) for root in allowed_roots):
+ errs.append(f"[{i}] dst dir outside allowed roots: {d_real.as_posix()} (allowed: {allowed_str})")
+ return errs
+
+# --- Phase: validity (system lookups) ---
+
+def check_validity(journal: Journal)-> list[str]:
+ errs: list[str] = []
+ for i ,cmd in enumerate(journal.command_list ,start=1):
+ ad = cmd.arg_dict
+ if cmd.name_str == "copy":
+ owner = ad.get("owner_name")
+ try:
+ pwd.getpwnam(owner)
+ except Exception:
+ errs.append(f"[{i}] unknown owner_name: {owner!r} (dst={_dst_from(ad)})")
+ try:
+ _ = _mode_from_entry(ad)
+ except Exception as e:
+ errs.append(f"[{i}] bad mode: {e} (dst={_dst_from(ad)})")
+ cb = ad.get("content_bytes")
+ if not isinstance(cb ,(bytes ,bytearray)):
+ errs.append(f"[{i}] content_bytes not bytes-like (dst={_dst_from(ad)})")
+ return errs
+
+# --- Phase: sanity-2 (filesystem checks, no mutation) ---
+
+def _safe_open_dir(dpath: str)-> int:
+ fd = os.open(dpath ,os.O_RDONLY | os.O_DIRECTORY | os.O_NOFOLLOW)
+ st = os.fstat(fd)
+ if not _stat.S_ISDIR(st.st_mode):
+ os.close(fd) ; raise OSError("not a directory")
+ return fd
+
+def check_sanity_2(journal: Journal)-> list[str]:
+ errs: list[str] = []
+ opened: dict[str ,int] = {}
+ try:
+ # ensure destination directories are openable (and not symlinked dirs)
+ for i ,cmd in enumerate(journal.command_list ,start=1):
+ d = cmd.arg_dict.get("write_file_dpath_str")
+ if not isinstance(d ,str): # already flagged in wellformed
+ continue
+ if d in opened:
+ continue
+ try:
+ opened[d] = _safe_open_dir(d)
+ except Exception as e:
+ errs.append(f"[{i}] cannot open destination dir: {d} ({e})")
+
+ # also warn on multiple writes to same (d,f) without displacement/delete
+ seen: set[tuple[str ,str]] = set()
+ for i ,cmd in enumerate(journal.command_list ,start=1):
+ ad = cmd.arg_dict
+ key = (ad.get("write_file_dpath_str") ,ad.get("write_file_fname"))
+ if key in seen and cmd.name_str == "copy":
+ errs.append(f"[{i}] multiple writes to same target without prior displace/delete: {_dst_from(ad)}")
+ seen.add(key)
+
+ finally:
+ for fd in opened.values():
+ try:
+ os.close(fd)
+ except Exception:
+ pass
+ return errs
+
+# --- Execute (mutation) ---
+
+def _fsync_dirfd(dirfd: int)-> None:
+ try:
+ os.fsync(dirfd)
+ except Exception:
+ pass
+
+def _exists_regular_nosymlink_at(dirfd: int ,fname: str)-> bool:
+ try:
+ st = os.lstat(fname ,dir_fd=dirfd)
+ except FileNotFoundError:
+ return False
+ if _stat.S_ISLNK(st.st_mode): raise OSError("target is a symlink")
+ if not _stat.S_ISREG(st.st_mode): raise OSError("target not a regular file")
+ return True
+
+def _apply_displace(d: str ,f: str)-> None:
+ dirfd = _safe_open_dir(d)
+ try:
+ if not _exists_regular_nosymlink_at(dirfd ,f):
+ return
+ import time as _time
+ ts = _time.strftime("%Y%m%dT%H%M%SZ" ,_time.gmtime())
+ bak = f"{f}.{ts}"
+ os.rename(f ,bak ,src_dir_fd=dirfd ,dst_dir_fd=dirfd)
+ _fsync_dirfd(dirfd)
+ finally:
+ os.close(dirfd)
+
+def _apply_copy(d: str ,f: str ,owner: str ,mode_int: int ,content: bytes)-> None:
+ pw = pwd.getpwnam(owner)
+ uid ,gid = pw.pw_uid ,pw.pw_gid
+ dirfd = _safe_open_dir(d)
+ try:
+ tmp = f".{f}.mig.tmp.{os.getpid()}"
+ tfd = os.open(tmp ,os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_NOFOLLOW ,0o600 ,dir_fd=dirfd)
+ try:
+ mv = memoryview(content)
+ off = 0
+ while off < len(mv):
+ n = os.write(tfd ,mv[off:])
+ if n <= 0: raise OSError("short write")
+ off += n
+ os.fsync(tfd)
+ os.fchown(tfd ,uid ,gid)
+ os.fchmod(tfd ,mode_int)
+ os.fsync(tfd)
+ finally:
+ os.close(tfd)
+ os.rename(tmp ,f ,src_dir_fd=dirfd ,dst_dir_fd=dirfd)
+ _fsync_dirfd(dirfd)
+ finally:
+ os.close(dirfd)
+
+def _apply_delete(d: str ,f: str)-> None:
+ dirfd = _safe_open_dir(d)
+ try:
+ if not _exists_regular_nosymlink_at(dirfd ,f):
+ return
+ os.unlink(f ,dir_fd=dirfd)
+ _fsync_dirfd(dirfd)
+ finally:
+ os.close(dirfd)
+
+def apply_journal(journal: Journal)-> int:
+ errs = 0
+ for idx ,entry in enumerate(journal.command_list ,start=1):
+ op = getattr(entry ,"name_str" ,"?")
+ ad = getattr(entry ,"arg_dict" ,{}) or {}
+ try:
+ d = ad["write_file_dpath_str"]
+ f = ad["write_file_fname"]
+ if not (isinstance(d ,str) and d.startswith("/") and isinstance(f ,str) and "/" not in f):
+ raise ValueError("bad path or filename")
+ if op == "displace":
+ _apply_displace(d ,f)
+ elif op == "copy":
+ owner = ad["owner_name"]
+ mode = _mode_from_entry(ad)
+ content = ad["content_bytes"]
+ if not isinstance(content ,(bytes ,bytearray)): raise ValueError("content_bytes missing")
+ _apply_copy(d ,f ,owner ,mode ,bytes(content))
+ elif op == "delete":
+ _apply_delete(d ,f)
+ else:
+ raise ValueError(f"unknown op: {op}")
+ except Exception as e:
+ errs += 1
+ print(f"apply error [{idx} {op}] {_dst_from(ad)}: {e}" ,file=sys.stderr)
+ return 0 if errs == 0 else 1
+
+# --- Orchestration ---
+
+def _phase_gate(name: str ,errors: list[str] ,then_stop: bool)-> bool:
+ if errors:
+ print(f"{name}: {len(errors)} issue(s)")
+ for e in errors:
+ print(f" ! {e}")
+ return True
+ if then_stop:
+ print(f"{name}: OK")
+ return True
+ return False
+
+def executor_inner(
+ journal: Journal
+ ,*
+ ,phase_2_print: bool=False
+ ,phase_2_then_stop: bool=False
+ ,phase_2_wellformed_then_stop: bool=False
+ ,phase_2_sanity1_then_stop: bool=False
+ ,phase_2_validity_then_stop: bool=False
+ ,phase_2_sanity2_then_stop: bool=False
+ ,allowed_roots: list[Path]|None=None
+)-> int:
+ """
+ Core pipeline for the inner executor. Returns a process-style exit code.
+ """
+ if phase_2_print:
+ journal.print()
+ if phase_2_then_stop:
+ return 0
+
+ roots = allowed_roots or [Path("/etc").resolve() ,Path.cwd().resolve()]
+
+ wf = check_wellformed(journal)
+ if _phase_gate("wellformed" ,wf ,phase_2_wellformed_then_stop):
+ return 1 if wf else 0 if phase_2_wellformed_then_stop else 0
+
+ s1 = check_sanity_1(journal ,roots)
+ if _phase_gate("sanity-1" ,s1 ,phase_2_sanity1_then_stop):
+ return 1 if s1 else 0 if phase_2_sanity1_then_stop else 0
+
+ v = check_validity(journal)
+ if _phase_gate("validity" ,v ,phase_2_validity_then_stop):
+ return 1 if v else 0 if phase_2_validity_then_stop else 0
+
+ s2 = check_sanity_2(journal)
+ if _phase_gate("sanity-2" ,s2 ,phase_2_sanity2_then_stop):
+ return 1 if s2 else 0 if phase_2_sanity2_then_stop else 0
+
+ return apply_journal(journal)
+
+# --- CLI wrapper ---
+
+def main(argv: list[str]|None=None)-> int:
+ ap = argparse.ArgumentParser(
+ prog="executor_inner.py"
+ ,description="Man_In_Gray inner executor (decode → validate → apply)"
+ )
+ ap.add_argument("--plan" ,required=True ,help="path to CBOR plan file")
+ ap.add_argument("--phase-2-print" ,action="store_true" ,help="print decoded journal")
+ ap.add_argument("--phase-2-then-stop" ,action="store_true" ,help="stop after print (no apply)")
+ ap.add_argument("--phase-2-wellformed-then-stop" ,action="store_true" ,help="stop after wellformed checks")
+ ap.add_argument("--phase-2-sanity1-then-stop" ,action="store_true" ,help="stop after sanity-1 checks")
+ ap.add_argument("--phase-2-validity-then-stop" ,action="store_true" ,help="stop after validity checks")
+ ap.add_argument("--phase-2-sanity2-then-stop" ,action="store_true" ,help="stop after sanity-2 checks")
+
+ args = ap.parse_args(argv)
+
+ # load plan
+ try:
+ data = Path(args.plan).read_bytes()
+ except Exception as e:
+ print(f"error: failed to read plan file: {e}" ,file=sys.stderr)
+ return 2
+
+ try:
+ journal = _journal_from_cbor_bytes(data)
+ except Exception as e:
+ print(f"error: failed to decode CBOR: {e}" ,file=sys.stderr)
+ return 2
+
+ return executor_inner(
+ journal
+ ,phase_2_print=args.phase_2_print
+ ,phase_2_then_stop=args.phase_2_then_stop
+ ,phase_2_wellformed_then_stop=args.phase_2_wellformed_then_stop
+ ,phase_2_sanity1_then_stop=args.phase_2_sanity1_then_stop
+ ,phase_2_validity_then_stop=args.phase_2_validity_then_stop
+ ,phase_2_sanity2_then_stop=args.phase_2_sanity2_then_stop
+ )
+
+if __name__ == "__main__":
+ sys.exit(main())
--- /dev/null
+#!/usr/bin/env -S python3 -B
+"""
+executor.py — StageHand outer/inner executor (MVP; UNPRIVILEGED for now)
+
+Phase 0 (bootstrap):
+ - Ensure filter program exists (create default in CWD if --filter omitted)
+ - Validate --stage exists
+ - If --phase-0-then-stop: exit here (no scan, no execution)
+
+Phase 1 (outer):
+ - Discover every file under --stage; acceptance filter decides which to include
+ - Execute each config’s configure(prov ,planner ,WriteFileMeta) into ONE Planner
+ - Optionally print the planner; optionally stop
+
+Phase 2 (inner shim in same program for now; no privilege yet):
+ - Encode plan to CBOR and hand to inner path
+ - Inner decodes to a Journal and can print it
+"""
+
+from __future__ import annotations
+
+# no bytecode anywhere
+import sys ,os
+sys.dont_write_bytecode = True
+os.environ.setdefault("PYTHONDONTWRITEBYTECODE" ,"1")
+
+from pathlib import Path
+import argparse
+import getpass
+import tempfile
+import runpy
+import subprocess
+import datetime as _dt
+import stat
+
+# Local module: Planner.py (same directory)
+from Planner import (
+ Planner
+ ,PlanProvenance
+ ,WriteFileMeta
+ ,Journal
+ ,Command
+)
+
+# -------- default filter template (written to CWD when --input_acceptance not provided) --------
+
+DEFAULT_FILTER_FILENAME = "Man_In_Gray_input_acceptance.py"
+
+DEFAULT_FILTER_SOURCE = """# Man_In_Gray_input_acceptance (default template)
+# Return True to include a config file, False to skip it.
+# You receive a PlanProvenance object named `prov`.
+#
+# prov fields commonly used here:
+# prov.stage_root_dpath : Path → absolute path to the stage root
+# prov.config_abs_fpath : Path → absolute path to the candidate file
+# prov.config_rel_fpath : Path → path relative to the stage root
+# prov.read_dir_dpath : Path → directory of the candidate file
+# prov.read_fname : str → filename with trailing '.py' stripped (if present)
+#
+# Examples:
+#
+# 1) Accept everything (default behavior):
+# def accept(prov):
+# return True
+#
+# 2) Only accept configs in a 'dns/' namespace under the stage:
+# def accept(prov):
+# return prov.config_rel_fpath.as_posix().startswith("dns/")
+#
+# 3) Exclude editor backup files:
+# def accept(prov):
+# rel = prov.config_rel_fpath.as_posix()
+# return not (rel.endswith("~") or rel.endswith(".swp"))
+#
+# 4) Only accept Python files + a few non-Python names:
+# def accept(prov):
+# name = prov.config_abs_fpath.name
+# return name.endswith(".py") or name in {"hosts" ,"resolv.conf"}
+#
+# Choose ONE 'accept' definition. Below is the default:
+
+def accept(prov):
+ return True
+"""
+
+# -------- utilities --------
+
+def iso_utc_now_str()-> str:
+ return _dt.datetime.utcnow().strftime("%Y%m%dT%H%M%SZ")
+
+def _ensure_filter_file(filter_arg: str|None)-> Path:
+ """
+ If --input_acceptance is provided, return that path (must exist).
+ Otherwise, create ./stagehand_filter.py in the CWD if missing (writing a helpful template),
+ and return its path.
+ """
+ if filter_arg:
+ p = Path(filter_arg)
+ if not p.is_file():
+ raise RuntimeError(f"--input_acceptance file not found: {p}")
+ return p
+
+ p = Path.cwd()/DEFAULT_FILTER_FILENAME
+ if not p.exists():
+ try:
+ p.write_text(DEFAULT_FILTER_SOURCE ,encoding="utf-8")
+ print(f"(created default filter at {p})")
+ except Exception as e:
+ raise RuntimeError(f"failed to create default filter {p}: {e}")
+ return p
+
+def _load_accept_func(filter_path: Path):
+ env = runpy.run_path(str(filter_path))
+ fn = env.get("accept")
+ if not callable(fn):
+ raise RuntimeError(f"{filter_path}: missing callable 'accept(prov)'")
+ return fn
+
+def _walk_all_files(stage_root: Path):
+ """
+ Yield every file (regular or symlink) under stage_root recursively.
+ We do not follow symlinked directories to avoid cycles.
+ """
+ root = stage_root.resolve()
+ for dirpath ,dirnames ,filenames in os.walk(root ,followlinks=False):
+ # prune symlinked dirs (files can still be symlinks)
+ dirnames[:] = [d for d in dirnames if not os.path.islink(os.path.join(dirpath ,d))]
+ for fname in filenames:
+ p = Path(dirpath ,fname)
+ try:
+ st = p.lstat()
+ if stat.S_ISREG(st.st_mode) or stat.S_ISLNK(st.st_mode):
+ yield p.resolve()
+ except Exception:
+ # unreadable/broken entries skipped
+ continue
+
+def find_config_paths(stage_root: Path ,accept_func)-> list[Path]:
+ """
+ Return files accepted by the Python acceptance function: accept(prov) → True/False.
+ Ordered breadth-first by depth, then lexicographically by relative path.
+ """
+ out: list[tuple[int ,str ,Path]] = []
+ root = stage_root.resolve()
+ for p in _walk_all_files(stage_root):
+ prov = PlanProvenance(stage_root=stage_root ,config_path=p)
+ try:
+ if accept_func(prov):
+ rel = p.resolve().relative_to(root)
+ out.append((len(rel.parts) ,rel.as_posix() ,p.resolve()))
+ except Exception as e:
+ raise RuntimeError(f"accept() failed on {prov.config_rel_fpath.as_posix()}: {e}")
+ out.sort(key=lambda t: (t[0] ,t[1])) # (depth ,name)
+ return [t[2] for t in out]
+
+# --- run all configs into ONE planner ---
+
+def _run_all_configs_into_single_planner(stage_root: Path ,cfgs: list[Path])-> Planner:
+ """
+ Create a single Planner and execute each config's configure(prov, planner, WriteFileMeta)
+ against it. Returns that single Planner containing the entire plan.
+ """
+ # seed with synthetic provenance; we overwrite per config before execution
+ aggregate_prov = PlanProvenance(stage_root=stage_root ,config_path=stage_root/"(aggregate).py")
+ planner = Planner(provenance=aggregate_prov)
+
+ for cfg in cfgs:
+ prov = PlanProvenance(stage_root=stage_root ,config_path=cfg)
+ planner.set_provenance(prov)
+
+ env = runpy.run_path(str(cfg))
+ fn = env.get("configure")
+ if not callable(fn):
+ raise RuntimeError(f"{cfg}: missing callable configure(prov ,planner ,WriteFileMeta)")
+
+ fn(prov ,planner ,WriteFileMeta)
+
+ # annotate meta once, on the single planner's journal
+ j = planner.journal()
+ j.set_meta(
+ generator_prog_str="executor.py"
+ ,generated_at_utc_str=iso_utc_now_str()
+ ,user_name_str=getpass.getuser()
+ ,host_name_str=os.uname().nodename if hasattr(os ,"uname") else "unknown"
+ ,stage_root_dpath_str=str(stage_root.resolve())
+ ,configs_list=[str(p.resolve().relative_to(stage_root.resolve())) for p in cfgs]
+ )
+ return planner
+
+# ----- CBOR “matchbox” (simple wrapper kept local to executor) -----
+
+def _plan_to_cbor_bytes(planner: Planner)-> bytes:
+ "Serialize a Planner's Journal to CBOR bytes."
+ try:
+ import cbor2
+ except Exception as e:
+ raise RuntimeError(f"cbor2 is required: {e}")
+ plan_dict = planner.journal().as_dictionary()
+ return cbor2.dumps(plan_dict ,canonical=True)
+
+def _journal_from_cbor_bytes(data: bytes)-> Journal:
+ "Rebuild a Journal from CBOR bytes."
+ try:
+ import cbor2
+ except Exception as e:
+ raise RuntimeError(f"cbor2 is required: {e}")
+ obj = cbor2.loads(data)
+ if not isinstance(obj ,dict):
+ raise ValueError("CBOR root must be a dict")
+ return Journal(plan_dict=obj)
+
+# -------- inner executor (phase 2) --------
+
+def _inner_main(plan_path: Path ,phase2_print: bool ,phase2_then_stop: bool)-> int:
+ "Inner executor path: decode CBOR → Journal; optionally print; (apply TBD)."
+ try:
+ data = Path(plan_path).read_bytes()
+ except Exception as e:
+ print(f"error: failed to read plan file: {e}" ,file=sys.stderr)
+ return 2
+
+ try:
+ journal = _journal_from_cbor_bytes(data)
+ except Exception as e:
+ print(f"error: failed to decode CBOR: {e}" ,file=sys.stderr)
+ return 2
+
+ if phase2_print:
+ journal.print()
+
+ if phase2_then_stop:
+ return 0
+
+ # (Stage 3 apply would go here; omitted in MVP)
+ return 0
+
+# -------- outer executor (phase 1 & handoff) --------
+
+def _outer_main(stage_root: Path ,accept_func ,args)-> int:
+ if not stage_root.is_dir():
+ print(f"error: --stage not a directory: {stage_root}" ,file=sys.stderr)
+ return 2
+
+ cfgs = find_config_paths(stage_root ,accept_func)
+ if not cfgs:
+ print("No configuration files found.")
+ return 0
+
+ try:
+ master = _run_all_configs_into_single_planner(stage_root ,cfgs)
+ except SystemExit:
+ raise
+ except Exception as e:
+ print(f"error: executing configs: {e}" ,file=sys.stderr)
+ return 2
+
+ if args.phase_1_print:
+ master.print()
+
+ if args.phase_1_then_stop:
+ return 0
+
+ # Phase 2: encode CBOR and invoke inner path (same script, --inner)
+ try:
+ cbor_bytes = _plan_to_cbor_bytes(master)
+ except Exception as e:
+ print(f"error: CBOR encode failed: {e}" ,file=sys.stderr)
+ return 2
+
+ with tempfile.NamedTemporaryFile(prefix="stagehand_plan_" ,suffix=".cbor" ,delete=False) as tf:
+ tf.write(cbor_bytes)
+ plan_path = tf.name
+
+ try:
+ cmd = [
+ sys.executable
+ ,str(Path(__file__).resolve())
+ ,"--inner"
+ ,"--plan" ,plan_path
+ ]
+ if args.phase_2_print:
+ cmd.append("--phase-2-print")
+ if args.phase_2_then_stop:
+ cmd.append("--phase-2-then-stop")
+
+ proc = subprocess.run(cmd)
+ return proc.returncode
+ finally:
+ try:
+ os.unlink(plan_path)
+ except Exception:
+ pass
+
+# -------- CLI --------
+
+def main(argv: list[str]|None=None)-> int:
+ ap = argparse.ArgumentParser(
+ prog="executor.py"
+ ,description="StageHand outer/inner executor (plan → CBOR → decode)."
+ )
+ ap.add_argument("--stage" ,default="stage"
+ ,help="stage root directory (default: ./stage)")
+ ap.add_argument(
+ "--input_acceptance"
+ ,default=""
+ ,help=f"path to acceptance filter program exporting accept(prov) "
+ f"(default: ./{DEFAULT_FILTER_FILENAME}; created if missing)"
+ )
+ ap.add_argument(
+ "--phase-0-then-stop"
+ ,action="store_true"
+ ,help="stop after arg checks & filter bootstrap (no stage scan)"
+ )
+
+ # Phase-1 (outer) controls
+ ap.add_argument("--phase-1-print" ,action="store_true" ,help="print master planner (phase 1)")
+ ap.add_argument("--phase-1-then-stop" ,action="store_true" ,help="stop after phase 1")
+
+ # Phase-2 (inner) controls (outer forwards these to inner)
+ ap.add_argument("--phase-2-print" ,action="store_true" ,help="print decoded journal (phase 2)")
+ ap.add_argument("--phase-2-then-stop" ,action="store_true" ,help="stop after phase 2 decode")
+
+ # Inner-only flags (not for users)
+ ap.add_argument("--inner" ,action="store_true" ,help=argparse.SUPPRESS)
+ ap.add_argument("--plan" ,default=None ,help=argparse.SUPPRESS)
+
+ args = ap.parse_args(argv)
+
+ # Inner path
+ if args.inner:
+ if not args.plan:
+ print("error: --inner requires --plan <file>" ,file=sys.stderr)
+ return 2
+ return _inner_main(Path(args.plan)
+ ,phase2_print=args.phase_2_print
+ ,phase2_then_stop=args.phase_2_then_stop)
+
+ # Phase 0: bootstrap & stop (no scan)
+ stage_root = Path(args.stage)
+ try:
+ filter_path = _ensure_filter_file(args.filter or None)
+ except Exception as e:
+ print(f"error: {e}" ,file=sys.stderr)
+ return 2
+
+ if not stage_root.exists():
+ print(f"error: --stage not found: {stage_root}" ,file=sys.stderr)
+ return 2
+ if not stage_root.is_dir():
+ print(f"error: --stage is not a directory: {stage_root}" ,file=sys.stderr)
+ return 2
+
+ if args.phase_0_then_stop:
+ print(f"phase-0 OK: stage at {stage_root.resolve()} and filter at {filter_path}")
+ return 0
+
+ # Load acceptance function and proceed with outer
+ try:
+ accept_func = _load_accept_func(filter_path)
+ except Exception as e:
+ print(f"error: {e}" ,file=sys.stderr)
+ return 2
+
+ return _outer_main(stage_root ,accept_func ,args)
+
+# inner executor
+# --- secure apply helpers (inner path) ---
+
+import pwd ,errno ,stat as _stat
+
+def _safe_open_dir(dpath: str)-> int:
+ "Open directory without following symlinks; return dirfd."
+ fd = os.open(dpath ,os.O_RDONLY | os.O_DIRECTORY | os.O_NOFOLLOW)
+ st = os.fstat(fd)
+ if not _stat.S_ISDIR(st.st_mode):
+ os.close(fd) ; raise OSError("not a directory")
+ return fd
+
+def _exists_regular_nosymlink_at(dirfd: int ,fname: str)-> bool:
+ "True if a regular ,non-symlink file exists at dirfd/fname."
+ try:
+ st = os.lstat(fname ,dir_fd=dirfd)
+ except FileNotFoundError:
+ return False
+ if _stat.S_ISLNK(st.st_mode): raise OSError("target is a symlink")
+ if not _stat.S_ISREG(st.st_mode): raise OSError("target not a regular file")
+ return True
+
+def _fsync_dirfd(dirfd: int)-> None:
+ try:
+ os.fsync(dirfd)
+ except Exception:
+ pass # some FS may not support; best effort
+
+def _apply_displace(d: str ,f: str)-> None:
+ dirfd = _safe_open_dir(d)
+ try:
+ if not _exists_regular_nosymlink_at(dirfd ,f):
+ return
+ import time as _time
+ ts = _time.strftime("%Y%m%dT%H%M%SZ" ,_time.gmtime())
+ bak = f"{f}.{ts}"
+ os.rename(f ,bak ,src_dir_fd=dirfd ,dst_dir_fd=dirfd)
+ _fsync_dirfd(dirfd)
+ finally:
+ os.close(dirfd)
+
+def _apply_copy(d: str ,f: str ,owner: str ,mode_int: int ,content: bytes)-> None:
+ pw = pwd.getpwnam(owner)
+ uid ,gid = pw.pw_uid ,pw.pw_gid
+ dirfd = _safe_open_dir(d)
+ try:
+ tmp = f".{f}.mig.tmp.{os.getpid()}"
+ tfd = os.open(tmp ,os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_NOFOLLOW ,0o600 ,dir_fd=dirfd)
+ try:
+ # write all bytes
+ mv = memoryview(content)
+ off = 0
+ while off < len(mv):
+ n = os.write(tfd ,mv[off:])
+ if n <= 0: raise OSError("short write")
+ off += n
+ os.fsync(tfd)
+ os.fchown(tfd ,uid ,gid)
+ os.fchmod(tfd ,mode_int)
+ os.fsync(tfd)
+ finally:
+ os.close(tfd)
+ os.rename(tmp ,f ,src_dir_fd=dirfd ,dst_dir_fd=dirfd)
+ _fsync_dirfd(dirfd)
+ finally:
+ os.close(dirfd)
+
+def _apply_delete(d: str ,f: str)-> None:
+ dirfd = _safe_open_dir(d)
+ try:
+ if not _exists_regular_nosymlink_at(dirfd ,f):
+ return
+ os.unlink(f ,dir_fd=dirfd)
+ _fsync_dirfd(dirfd)
+ finally:
+ os.close(dirfd)
+
+def _mode_from_entry(ad: dict)-> int:
+ m = ad.get("mode_int")
+ if isinstance(m ,int): return m
+ s = ad.get("mode_octal_str")
+ if isinstance(s ,str):
+ try:
+ return int(s ,8)
+ except Exception:
+ pass
+ raise ValueError("invalid mode")
+
+def apply_journal(journal: Journal)-> int:
+ """
+ Apply the decoded journal. Returns 0 on success ,1 if any hard errors occurred.
+ """
+ errs = 0
+ for idx ,entry in enumerate(journal.command_list ,start=1):
+ op = getattr(entry ,"name_str" ,"?")
+ ad = getattr(entry ,"arg_dict" ,{}) or {}
+ try:
+ d = ad["write_file_dpath_str"]
+ f = ad["write_file_fname"]
+ if not (isinstance(d ,str) and d.startswith("/") and isinstance(f ,str) and "/" not in f):
+ raise ValueError("bad path or filename")
+ if op == "displace":
+ _apply_displace(d ,f)
+ elif op == "copy":
+ owner = ad["owner_name"]
+ mode = _mode_from_entry(ad)
+ content = ad["content_bytes"]
+ if not isinstance(content ,(bytes ,bytearray)): raise ValueError("content_bytes missing")
+ _apply_copy(d ,f ,owner ,mode ,bytes(content))
+ elif op == "delete":
+ _apply_delete(d ,f)
+ else:
+ raise ValueError(f"unknown op: {op}")
+ except Exception as e:
+ errs += 1
+ print(f"apply error [{idx} {op}]: {e}" ,file=sys.stderr)
+ return 0 if errs == 0 else 1
+
+
+if __name__ == "__main__":
+ sys.exit(main())
--- /dev/null
+#!/usr/bin/env python3
+
+import os
+import sys
+
+def print_env_var(name):
+ value = os.getenv(name)
+ print(f"{name:<16}: {value if value else '<not set>'}")
+
+def main():
+ print("=== Python Environment Test ===")
+ print(f"Python executable : {sys.executable}")
+ print(f"Python version : {sys.version}")
+ print()
+
+ print("=== Harmony Environment Variables ===")
+ for var in ["ROLE", "REPO_HOME", "PYTHON_HOME", "VIRTUAL_ENV", "ENV"]:
+ print_env_var(var)
+
+ print()
+ print("=== Current Working Directory ===")
+ print(os.getcwd())
+
+if __name__ == "__main__":
+ main()
--- /dev/null
+
+2025-09-19T08:48:29Z
+
+Port privileged code (phase 3 code) to C.
+
--- /dev/null
+# stage_test_0/DNS/unbound_conf.py
+
+def configure(prov, planner, WriteFileMeta):
+ # dpath is relative; it will be anchored to prov.read_dir_dpath,
+ # so this lands in .../stage_test_0/stage_test_0_out/dns
+ wfm = WriteFileMeta(
+ dpath="stage_test_0_out/net",
+ fname=prov.read_fname, # "unbound_conf"
+ owner=prov.process_user, # current process user
+ mode=0o444
+ )
+ planner.delete(wfm)
+ planner.copy(wfm, content="server:\n verbosity: 1\n")
--- /dev/null
+# unbound.conf (example)
+
+def configure(prov, planner, WriteFileMeta):
+ wfm = WriteFileMeta(
+ dpath="stage_test_0_out"
+ ,fname=prov.read_fname # write file name same as read file name
+ ,owner=prov.process_user
+ )
+ planner.displace(wfm)
+ planner.copy(wfm, content="server:\n do-ip6: no\n")
--- /dev/null
+# stage_test_0/web/site_conf.py
+
+def configure(prov, planner, WriteFileMeta):
+ # This writes a faux web config to .../stage_test_0/stage_test_0_out/web/nginx.conf
+ wfm = WriteFileMeta(
+ dpath="stage_test_0_out/web",
+ fname="nginx.conf", # explicit override (not from prov)
+ owner=prov.process_user,
+ mode="0644"
+ )
+ planner.displace(wfm)
+ planner.copy(wfm, content="events {}\nhttp { server { listen 8080; } }\n")