515 lines
19 KiB
Python
515 lines
19 KiB
Python
from __future__ import annotations
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import hashlib
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import json
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from fastapi import APIRouter, Depends, Header, HTTPException
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from pydantic import BaseModel, ConfigDict, Field
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from sqlmodel import Session, select
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from ..db.models import App, AppSetting, utc_now
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from ..db.session import get_session
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from ..services.action_execution import (
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action_execution_profile,
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execute_governed_action,
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)
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from ..services.action_registry import (
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ACTION_RISK,
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ACTIONS,
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action_blast_radius,
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action_capability,
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action_category,
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action_default_target,
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action_label,
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action_operator_guidance,
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action_safeguards,
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)
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from ..services.approval_service import create_approval
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from ..services.audit_logger import log_event
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from ..services.container_restart_service import execute_container_restart
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from ..services.policy_engine import evaluate_policy
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from ..services.preflight_service import build_preflight
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router = APIRouter(prefix='/api/actions')
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def _idempotency_context(session: Session, key: str | None, payload: dict) -> tuple[AppSetting | None, str | None]:
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if not key:
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return None, None
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normalized = key.strip()
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if not normalized or len(normalized) > 128:
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raise HTTPException(status_code=400, detail='Idempotency-Key must contain 1 to 128 characters.')
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request_hash = hashlib.sha256(json.dumps(payload, sort_keys=True, separators=(',', ':')).encode()).hexdigest()
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setting_key = f'action-idempotency:{hashlib.sha256(normalized.encode()).hexdigest()}'
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existing = session.get(AppSetting, setting_key)
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if existing:
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if existing.value_json.get('requestHash') != request_hash:
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raise HTTPException(status_code=409, detail='Idempotency-Key was already used for a different request.')
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return existing, request_hash
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return AppSetting(key=setting_key, is_secret=False), request_hash
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def _idempotent_response(session: Session, row: AppSetting | None, request_hash: str | None, response: dict) -> dict:
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if row is None or request_hash is None:
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return response
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if row.value_json.get('response') is not None:
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return {**row.value_json['response'], 'idempotentReplay': True}
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row.value_json = {'requestHash': request_hash, 'response': response}
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row.updated_at = utc_now()
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session.add(row)
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session.commit()
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return response
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class ActionRequest(BaseModel):
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model_config = ConfigDict(extra='forbid')
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input: str | None = Field(default=None, max_length=2000)
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action: str | None = Field(default=None, max_length=160)
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intent: str | None = Field(default=None, max_length=160)
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target: str | None = Field(default=None, max_length=240)
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source: str = Field(default='manual', pattern='^(manual|voice|automation|system)$')
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risk: str | None = Field(default=None, pattern='^(low|medium|high|critical)$')
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policy: str | None = Field(default=None, pattern='^(allowed|approval_required|blocked)$')
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reason: str | None = Field(default=None, max_length=1000)
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plan: list[str] | dict | None = None
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postChecks: list[str] = Field(default_factory=list, max_length=30)
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def _request_payload(payload: ActionRequest) -> dict:
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return payload.model_dump(exclude_none=True)
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def _extract_plan(payload: dict) -> dict:
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plan = payload.get('plan')
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if isinstance(plan, dict):
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return plan
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if isinstance(payload.get('intent'), str):
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return {
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'intent': payload.get('intent'),
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'target': payload.get('target'),
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'source': payload.get('source', 'manual'),
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'risk': payload.get('risk', 'low'),
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'plan': payload.get('steps', []) or payload.get('plan', []),
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'postChecks': payload.get('postChecks', []),
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'policy': payload.get('policy'),
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}
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return {}
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def _build_heuristic_plan(payload: dict, session: Session) -> dict | None:
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input_text = str(payload.get('input', '')).lower()
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source = str(payload.get('source', 'manual')).strip() or 'manual'
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apps = session.exec(select(App.id)).all()
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available_apps = [app_id for app_id in apps]
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def has_app(name: str) -> bool:
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return name in available_apps
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if ('restart' in input_text or 'herstart' in input_text):
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if has_app('widefrog') and 'widefrog' in input_text:
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return {
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'intent': 'container.restart',
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'target': 'widefrog',
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'source': source,
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'risk': 'medium',
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'policy': 'allowed',
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'reason': 'Media app restart is low-medium risk.',
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'plan': ['Verify container status', 'Restart widefrog container', 'Health check'],
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'postChecks': ['HTTP 200 at port 1207', 'Container running'],
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}
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if has_app('authentik') and 'authentik' in input_text:
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return {
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'intent': 'container.restart',
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'target': 'authentik',
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'source': source,
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'risk': 'high',
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'policy': 'approval_required',
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'reason': 'Auth service is critical and requires explicit approval.',
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'plan': ['Check current sessions', 'Stop if maintenance mode', 'Restart container'],
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'postChecks': ['SSO endpoint responds', 'Login flow returns'],
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}
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health_terms = {'health', 'check', 'controleer'}
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if any(term in input_text for term in health_terms) and ('unraid' in input_text or 'array' in input_text):
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return {
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'intent': 'unraid.health_summary',
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'target': 'unraid',
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'source': source,
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'risk': 'low',
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'policy': 'allowed',
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'reason': 'Read-only health summary.',
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'plan': ['Collect array status', 'Collect disk warnings', 'Collect cache usage'],
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'postChecks': ['Sanity of returned summary'],
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}
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if 'volume' in input_text and 'delete' in input_text:
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return {
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'intent': 'volume.delete',
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'target': 'volume',
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'source': source,
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'risk': 'critical',
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'policy': 'blocked',
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'reason': 'Destructive action is blocked by default.',
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'plan': [],
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'postChecks': [],
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}
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aliases = {
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'scan plex': 'plex.scan_all_libraries',
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'scan bibliotheek': 'plex.scan_all_libraries',
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'pauzeer deluge': 'deluge.pause_all',
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'pause deluge': 'deluge.pause_all',
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'hervat deluge': 'deluge.resume_all',
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'resume deluge': 'deluge.resume_all',
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'controleer media pipeline': 'media_pipeline.check',
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'check media pipeline': 'media_pipeline.check',
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'diagnose media pipeline': 'media_pipeline.diagnose',
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'controleer veiligheid': 'safety.summary',
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'safety summary': 'safety.summary',
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'notificatie overzicht': 'notifications.summary',
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'notification summary': 'notifications.summary',
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'setup status': 'setup.status',
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}
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matched_action = next((action for phrase, action in aliases.items() if phrase in input_text and action in ACTIONS), None)
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if not matched_action:
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matched_action = next((action for action in ACTIONS if action.lower() in input_text), None)
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if not matched_action:
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input_terms = set(input_text.replace('.', ' ').replace('_', ' ').split())
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candidates = []
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for action in ACTIONS:
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label_terms = set(action_label(action).lower().replace('/', ' ').split())
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overlap = len(input_terms & label_terms)
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if overlap >= 2:
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candidates.append((overlap, action))
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if candidates:
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matched_action = max(candidates)[1]
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if matched_action:
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target = action_default_target(matched_action)
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matched_app = next((app_id for app_id in available_apps if app_id.lower() in input_text), None)
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if matched_app and matched_action.startswith('container.'):
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target = matched_app
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policy = evaluate_policy(session, action=matched_action, target=target, source=source)
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capability = action_capability(matched_action)
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return {
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'intent': matched_action,
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'target': target,
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'source': source,
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'risk': str(policy.get('risk') or ACTION_RISK.get(matched_action, 'medium')),
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'policy': policy['decision'],
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'reason': policy['reason'],
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'plan': [
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f'Validate current state of {target}',
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('Collect read-only result' if capability == 'read_only' else f'Run {action_label(matched_action)} through its guarded executor'),
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],
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'postChecks': [f'Confirm {target} state and record the result in Audit'],
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}
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return None
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def _registry_item(action: str, session: Session) -> dict:
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target = action_default_target(action)
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policy = evaluate_policy(session, action=action, target=target, source='manual')
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decision = str(policy.get('decision', 'blocked'))
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risk = str(policy.get('risk') or ACTION_RISK.get(action, 'medium'))
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capability = action_capability(action)
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execution = action_execution_profile(action, decision, capability)
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return {
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'id': action,
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'label': action_label(action),
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'category': action_category(action),
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'target': target,
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'risk': risk,
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'capability': capability,
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'policyDecision': decision,
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'policyReason': policy.get('reason') or 'Policy preview.',
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**execution,
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}
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@router.get('/registry')
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def action_registry(session: Session = Depends(get_session)):
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items = []
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summary = {
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'total': 0,
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'allowed': 0,
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'approvalRequired': 0,
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'blocked': 0,
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'readOnly': 0,
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'operator': 0,
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'destructive': 0,
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'highRisk': 0,
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'commandExecutable': 0,
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'approvalExecutable': 0,
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'dedicatedSurface': 0,
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'governanceOnly': 0,
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}
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for action in sorted(ACTIONS):
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item = _registry_item(action, session)
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decision = item['policyDecision']
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risk = item['risk']
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capability = item['capability']
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summary['total'] += 1
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if decision == 'allowed':
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summary['allowed'] += 1
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elif decision == 'approval_required':
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summary['approvalRequired'] += 1
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elif decision == 'blocked':
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summary['blocked'] += 1
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if capability == 'read_only':
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summary['readOnly'] += 1
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elif capability == 'destructive':
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summary['destructive'] += 1
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else:
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summary['operator'] += 1
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if risk in {'high', 'critical'}:
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summary['highRisk'] += 1
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execution_mode = item['executionMode']
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if execution_mode == 'command_center':
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summary['commandExecutable'] += 1
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elif execution_mode == 'approval_then_execute':
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summary['approvalExecutable'] += 1
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elif execution_mode == 'dedicated_surface':
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summary['dedicatedSurface'] += 1
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elif execution_mode == 'governance_only':
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summary['governanceOnly'] += 1
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items.append(item)
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return {'summary': summary, 'items': items}
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@router.get('/registry/{action_id}')
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def action_registry_detail(action_id: str, session: Session = Depends(get_session)):
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if action_id not in ACTIONS:
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raise HTTPException(status_code=404, detail='Unknown action id.')
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item = _registry_item(action_id, session)
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return {
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**item,
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'blastRadius': action_blast_radius(action_id, item['capability']),
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'safeguards': action_safeguards(action_id, item['policyDecision'], item['capability']),
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'operatorGuidance': action_operator_guidance(action_id, item['policyDecision'], item['capability']),
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'relatedSurfaces': [
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'/command-center',
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'/policies',
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'/audit',
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],
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}
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@router.post('/plan')
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def action_plan(payload: ActionRequest, session: Session = Depends(get_session)):
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payload = _request_payload(payload)
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source = str(payload.get('source', 'manual')).strip() or 'manual'
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plan = _extract_plan(payload)
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if not plan:
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plan = _build_heuristic_plan(payload, session)
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if not plan:
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return {'decision': 'blocked', 'reason': 'No actionable intent detected.'}
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return {
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'intent': plan['intent'],
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'target': plan['target'],
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'source': source,
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'risk': plan['risk'],
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'policy': plan['policy'],
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'reason': plan['reason'],
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'plan': plan['plan'],
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'postChecks': plan['postChecks'],
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}
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@router.post('/preflight')
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def preflight(payload: ActionRequest, session: Session = Depends(get_session)):
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payload = _request_payload(payload)
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action = str(payload.get('action', '')).strip()
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target = str(payload.get('target', '')).strip()
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source = str(payload.get('source', 'manual')).strip() or 'manual'
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if not action or not target:
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if plan := _build_heuristic_plan(payload, session):
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action = plan['intent']
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target = plan['target']
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source = plan['source']
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else:
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action = payload.get('action', '')
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target = payload.get('target', '')
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policy = evaluate_policy(session, action=action, target=target, source=source)
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risk = policy.get('risk', 'medium')
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return build_preflight(action, target, policy['decision'], risk)
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@router.post('/execute')
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def execute(payload: ActionRequest, session: Session = Depends(get_session), idempotency_key: str | None = Header(default=None, alias='Idempotency-Key')):
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payload = _request_payload(payload)
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idempotency_row, request_hash = _idempotency_context(session, idempotency_key, payload)
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if idempotency_row is not None and idempotency_row.value_json.get('response') is not None:
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return _idempotent_response(session, idempotency_row, request_hash, {})
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plan = _extract_plan(payload)
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if not plan:
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return _idempotent_response(session, idempotency_row, request_hash, {'success': False, 'message': 'No valid action plan provided.'})
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action = str(plan.get('intent', '')).strip()
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target = str(plan.get('target', '')).strip()
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source = str(plan.get('source', 'manual')).strip() or 'manual'
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steps = plan.get('plan', []) if isinstance(plan.get('plan', []), list) else []
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if action == 'deployment.target.promote_workmesh':
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audit = log_event(
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session,
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source='action',
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identity=source,
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action_id=action,
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target=target,
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risk='high',
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policy_decision='blocked',
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reason='WorkMesh promotion requires its exact-revision deployment preflight endpoint.',
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result='blocked',
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execution_plan={'plan': steps, 'executor': '/api/deployments/workmesh/promotions/preflight'},
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)
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return _idempotent_response(session, idempotency_row, request_hash, {
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'success': False,
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'decision': 'blocked',
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'status': 'failed',
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'policy_decision': 'blocked',
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'result': 'preflight_required',
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'message': 'Use the fixed WorkMesh revision preflight and approval workflow.',
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'auditId': audit.id,
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})
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decision = evaluate_policy(session, action=action, target=target, source=source)
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risk = str(decision.get('risk', 'medium')).strip() or 'medium'
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# Always audit every request.
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if decision['decision'] == 'blocked':
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audit = log_event(
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session,
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source='action',
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identity=source,
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action_id=action,
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target=target,
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risk=risk,
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policy_decision=decision['decision'],
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reason=decision['reason'],
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result='blocked',
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execution_plan={'plan': steps, 'policyReason': decision['reason']},
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)
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return _idempotent_response(session, idempotency_row, request_hash, {
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'success': False,
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'decision': 'blocked',
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'status': 'failed',
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'policy_decision': decision['decision'],
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'result': 'blocked',
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'message': decision['reason'],
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'auditId': audit.id,
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})
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if decision['decision'] == 'approval_required':
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approval = create_approval(
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session,
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action=action,
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target=target,
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source=source,
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risk=risk,
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reason=decision['reason'],
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requester=source,
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)
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audit = log_event(
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session,
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source='action',
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identity=source,
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action_id=action,
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target=target,
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risk=risk,
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policy_decision=decision['decision'],
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reason=decision['reason'],
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result='approval_requested',
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execution_plan={'plan': steps, 'approvalId': approval.id},
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redacted_metadata={'approval_id': approval.id},
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)
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return _idempotent_response(session, idempotency_row, request_hash, {
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'success': False,
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'decision': 'approval_required',
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'status': 'failed',
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'policy_decision': decision['decision'],
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'result': 'approval_required',
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'message': 'Action requires approval before execution.',
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'approvalId': approval.id,
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'auditId': audit.id,
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})
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if action in {
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'controller.managed-storage.initialize',
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'deployment.targets.sync',
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'deployment.target.deploy_workmesh',
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'deployment.target.register_portfolio',
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'deployment.target.register_privatemuse',
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}:
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response = execute_governed_action(
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session,
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action=action,
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target=target,
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source=source,
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risk=risk,
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reason=str(decision.get('reason') or 'Execute the fixed deployment target operation.'),
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original_policy_decision=str(decision['decision']),
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)
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return _idempotent_response(session, idempotency_row, request_hash, response)
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if action == 'container.restart':
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response = execute_container_restart(
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session=session,
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action=action,
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target=target,
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source=source,
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risk=risk,
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steps=steps if isinstance(steps, list) else None,
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)
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return _idempotent_response(session, idempotency_row, request_hash, response)
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# Fail closed for allowed actions without a real executor. This avoids
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# presenting read-only checks or future actions as successfully executed.
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audit = log_event(
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session,
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source='action',
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identity=source,
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action_id=action,
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target=target,
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risk=risk,
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policy_decision=decision['decision'],
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reason='No live executor is registered for this action.',
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result='unsupported',
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|
execution_plan={'plan': steps, 'executor': None},
|
|
)
|
|
|
|
return _idempotent_response(session, idempotency_row, request_hash, {
|
|
'success': False,
|
|
'decision': 'allowed',
|
|
'status': 'failed',
|
|
'policy_decision': decision['decision'],
|
|
'result': 'unsupported',
|
|
'message': 'No live executor is registered for this action.',
|
|
'auditId': audit.id,
|
|
})
|
|
|
|
|
|
@router.post('/container/{app_id}/restart')
|
|
def restart_container(app_id: str, session: Session = Depends(get_session)):
|
|
return execute_container_restart(
|
|
session=session,
|
|
action='container.restart',
|
|
target=app_id,
|
|
source='manual',
|
|
risk='medium',
|
|
steps=['Resolve container', 'Restart container', 'Post-check status'],
|
|
)
|