Initial commit - podman-mvp net na toevoegen cpu en mem kolommen
This commit is contained in:
kodi
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import os
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import subprocess
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from fastapi import FastAPI, HTTPException
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from pydantic import BaseModel
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import requests_unixsocket
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import uvicorn
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app = FastAPI(title="Podman MVP Control Plane", root_path="/api")
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SESSION = requests_unixsocket.Session()
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PODMAN_API_BASE = "http+unix://%2Frun%2Fuser%2F1000%2Fpodman%2Fpodman.sock/v5.4.2"
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BASE_DIR = os.path.dirname(os.path.abspath(__file__))
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ALLOWLIST_FILE = os.getenv("ALLOWLIST_FILE", os.path.join(BASE_DIR, "allowed_units.txt"))
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WORKLOADS_DIR = "/app/workloads"
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# --- MODELS ---
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class FileContent(BaseModel):
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content: str
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class FileCreate(BaseModel):
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path: str
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content: str
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@app.get("/workloads")
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def list_workloads():
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yaml_files = []
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for root, dirs, files in os.walk(WORKLOADS_DIR):
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for file in files:
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if file.endswith((".yaml", ".kube")):
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rel_path = os.path.relpath(os.path.join(root, file), WORKLOADS_DIR)
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yaml_files.append(rel_path)
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return {"workloads": sorted(yaml_files)}
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@app.get("/workloads/read/{filename:path}")
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def read_workload(filename: str):
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path = os.path.join(WORKLOADS_DIR, filename)
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if not os.path.exists(path): raise HTTPException(status_code=404)
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with open(path, 'r') as f: return {"filename": filename, "content": f.read()}
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@app.post("/workloads/save-file")
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def save_file(file_data: FileCreate):
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target_path = os.path.join(WORKLOADS_DIR, file_data.path)
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os.makedirs(os.path.dirname(target_path), exist_ok=True)
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with open(target_path, 'w') as f: f.write(file_data.content)
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return {"status": "success"}
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@app.post("/workloads/deploy/{filename:path}")
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def deploy_workload(filename: str):
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path = os.path.join(WORKLOADS_DIR, filename)
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with open(path, 'r') as f: yaml_content = f.read()
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url = f"{PODMAN_API_BASE}/libpod/kube/play"
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return SESSION.post(url, data=yaml_content).json()
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# --- PODS ---
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@app.get("/pods")
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def list_pods():
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# Cruciaal: ?all=true zorgt dat EXIT_STATE pods ook getoond worden
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url = f"{PODMAN_API_BASE}/libpod/pods/json?all=true"
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return SESSION.get(url).json()
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@app.post("/actions/{action}/{name}")
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def take_action(action: str, name: str):
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# Podman gebruikt vaak 'pod' prefix voor pods aangemaakt via kube play
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possible_names = [f"pod{name}", name]
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if action == "start":
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# STAP 1: Probeer direct de pod te starten (de 'Cockpit' methode)
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for target in possible_names:
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res = SESSION.post(f"{PODMAN_API_BASE}/libpod/pods/{target}/start")
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# 204 = Succes, 304 = Draait al (ook succes)
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if res.status_code in [204, 304, 200]:
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print(f"DEBUG: {target} direct gestart (Status: {res.status_code})")
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return {"status": "started", "method": "direct_pod_start", "target": target}
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# STAP 2: Als direct starten niet kon (omdat de pod echt niet bestaat), gebruik YAML
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print(f"DEBUG: Pod niet gevonden via API, probeer YAML play voor {name}")
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target_path = None
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for root, _, files in os.walk(WORKLOADS_DIR):
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for f in files:
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if f.startswith(name) and f.endswith('.yaml'):
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target_path = os.path.join(root, f)
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break
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if target_path:
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with open(target_path, 'r') as file:
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yaml_content = file.read()
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res = SESSION.post(f"{PODMAN_API_BASE}/libpod/kube/play", data=yaml_content)
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# STAP 3: Laatste redmiddel - Als kube/play zegt dat hij al bestaat (jouw 500 error)
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# Dan forceren we een delete en een herstart.
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if res.status_code == 500 and "already exists" in res.text:
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print(f"DEBUG: Forceer herstart voor {name} wegens conflict")
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for target in possible_names:
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SESSION.delete(f"{PODMAN_API_BASE}/libpod/pods/{target}?force=true")
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# Probeer het nu opnieuw
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retry_res = SESSION.post(f"{PODMAN_API_BASE}/libpod/kube/play", data=yaml_content)
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return retry_res.json()
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return res.json()
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if action == "stop":
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for target in possible_names:
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res = SESSION.post(f"{PODMAN_API_BASE}/libpod/pods/{target}/stop")
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if res.status_code in [204, 304, 200]:
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return {"status": "stopped", "target": target}
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return {"status": "not_found_or_stopped"}
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return {"status": "unknown_action"}
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# --- CONTAINERS ---
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@app.get("/containers")
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def list_containers():
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# Ook hier ?all=true voor gestopte containers
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url = f"{PODMAN_API_BASE}/libpod/containers/json?all=true"
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return SESSION.get(url).json()
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@app.post("/containers/{action}/{name}")
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def container_action(action: str, name: str):
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# Podman API pad: /libpod/containers/{name}/{action}
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url = f"{PODMAN_API_BASE}/libpod/containers/{name}/{action}"
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res = SESSION.post(url)
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return {"status": "success", "code": res.status_code}
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@app.get("/dashboard")
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def get_dashboard():
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try:
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api_containers = SESSION.get(f"{PODMAN_API_BASE}/libpod/containers/json?all=true").json()
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except:
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api_containers = []
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dashboard = {}
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for root, dirs, files in os.walk(WORKLOADS_DIR):
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for f in files:
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if f.endswith(('.yaml', '.kube', '.container')):
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rel_path = os.path.relpath(os.path.join(root, f), WORKLOADS_DIR)
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# Gebruik de bestandsnaam zonder extensie als unieke sleutel
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name_base = f.split('.')[0]
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# Als we mediaserver.yaml EN mediaserver.kube hebben, zien we ze als 1 item
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if name_base not in dashboard:
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# Zoek containers die horen bij dit bestand (fuzzy match op naam)
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matching = [c for c in api_containers if name_base in c['Names'][0]]
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status = "stopped"
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ip = "-"
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container_count = len(matching)
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if matching:
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# Als er minstens één container draait, is de status 'running'
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status = "running" if any(c['State'] == 'running' for c in matching) else "exited"
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# Pak IP van de eerste container die een IP heeft
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for c in matching:
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nets = c.get('Networks', {})
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first_net = next(iter(nets.values()), {}) if nets else {}
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if first_net.get('IPAddress'):
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ip = first_net['IPAddress']
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break
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dashboard[name_base] = {
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"name": name_base,
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"path": rel_path,
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"status": status,
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"ip": ip,
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"containers": container_count
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}
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return list(dashboard.values())
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@app.get("/test-hybrid")
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def test_hybrid():
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# 1. Check bestanden op schijf
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try:
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files = os.listdir(WORKLOADS_DIR)
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except Exception as e:
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return {"error": f"Kan map {WORKLOADS_DIR} niet lezen: {str(e)}"}
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# 2. Check Podman API
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try:
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api_res = SESSION.get(f"{PODMAN_API_BASE}/libpod/containers/json?all=true")
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api_containers = api_res.json()
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except Exception as e:
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api_containers = f"API Fout: {str(e)}"
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return {
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"bestanden_gevonden": files,
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"api_containers_aantal": len(api_containers) if isinstance(api_containers, list) else 0,
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"api_raw_sample": api_containers[0] if isinstance(api_containers, list) and len(api_containers) > 0 else "Geen containers"
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}
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@app.get("/files/tree")
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def get_file_tree():
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tree = []
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# os.walk gaat door alle mappen heen
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for root, dirs, files in os.walk(WORKLOADS_DIR):
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# JUISTE SYNTAX: os.path.relpath
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relative_path = os.path.relpath(root, WORKLOADS_DIR) if root != WORKLOADS_DIR else ""
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# Filter alleen de bestanden die we willen zien
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valid_files = [f for f in files if f.endswith(('.yaml', '.container', '.kube'))]
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# Voeg de map toe aan de lijst
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tree.append({
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"path": relative_path,
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"dirs": dirs,
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"files": valid_files
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})
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return tree
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@app.get("/files/read")
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def read_file_managed(path: str):
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full_path = os.path.normpath(os.path.join(WORKLOADS_DIR, path))
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if not full_path.startswith(os.path.abspath(WORKLOADS_DIR)): raise HTTPException(status_code=403)
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if not os.path.exists(full_path): raise HTTPException(status_code=404)
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with open(full_path, 'r') as f: return {"content": f.read()}
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@app.post("/files/save")
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def save_file_managed(path: str, data: FileContent):
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full_path = os.path.normpath(os.path.join(WORKLOADS_DIR, path))
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if not full_path.startswith(os.path.abspath(WORKLOADS_DIR)): raise HTTPException(status_code=403)
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os.makedirs(os.path.dirname(full_path), exist_ok=True)
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with open(full_path, 'w') as f: f.write(data.content)
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return {"status": "success", "path": path}
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@app.delete("/files/delete")
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def delete_item(path: str):
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full_path = os.path.normpath(os.path.join(WORKLOADS_DIR, path))
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if not full_path.startswith(os.path.abspath(WORKLOADS_DIR)):
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raise HTTPException(status_code=403)
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if not os.path.exists(full_path):
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raise HTTPException(status_code=404)
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try:
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if os.path.isdir(full_path):
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# Verwijder een lege map
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os.rmdir(full_path)
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else:
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# Verwijder een bestand
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os.remove(full_path)
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return {"status": "deleted", "type": "folder" if os.path.isdir(full_path) else "file"}
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except OSError as e:
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# Dit gebeurt o.a. als een map niet leeg is
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raise HTTPException(status_code=400, detail=f"Kan niet verwijderen: {e.strerror}")
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@app.post("/files/mkdir")
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def create_directory(path: str):
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# We dwingen af dat als het pad niet met systemd begint, we het toevoegen
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if not path.startswith("systemd"):
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path = os.path.join("systemd", path)
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full_path = os.path.normpath(os.path.join(WORKLOADS_DIR, path))
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# Veiligheidscheck blijft gelijk
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if not full_path.startswith(os.path.abspath(WORKLOADS_DIR)):
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raise HTTPException(status_code=403)
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os.makedirs(full_path, exist_ok=True)
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return {"status": "directory created", "path": path}
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@app.get("/containers/logs/{name}")
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def get_container_logs(name: str):
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# We vragen de laatste 100 regels op (tail=100)
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res = SESSION.get(f"{PODMAN_API_BASE}/libpod/containers/{name}/logs?stdout=true&stderr=true&tail=100")
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# Podman logs komen vaak met wat binaire metadata, we decoden dit als tekst
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return {"logs": res.text}
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@app.get("/containers/inspect/{name}")
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def inspect_container(name: str):
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res = SESSION.get(f"{PODMAN_API_BASE}/libpod/containers/{name}/json")
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return res.json()
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# SYSTEMCTL FUNCTIONS
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def run(cmd):
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r = subprocess.run(cmd, capture_output=True, text=True)
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out = (r.stdout or "") + (("\n" + r.stderr) if r.stderr else "")
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return r.returncode, out.strip()
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def read_allowlist():
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"""
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Return: (set_of_units, allow_mode_bool)
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allow_mode_bool = True als er minstens 1 unit in allowlist staat.
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"""
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if not os.path.exists(ALLOWLIST_FILE):
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return set(), False
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allowed = set()
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with open(ALLOWLIST_FILE, "r", encoding="utf-8") as f:
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for line in f:
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line = line.strip()
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if not line or line.startswith("#"):
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continue
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# minimale sanity: alleen .service
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if line.endswith(".service"):
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allowed.add(line)
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return allowed, (len(allowed) > 0)
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@app.get("/systemd/allowlist")
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def systemd_allowlist():
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allowed, allow_mode = read_allowlist()
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return {"allow_mode": allow_mode, "units": sorted(allowed)}
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def list_unit_files():
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allowed, allow_mode = read_allowlist()
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if allow_mode:
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# whitelist = bron van waarheid
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return sorted(allowed)
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# fallback (als allowlist leeg is): probeer systemctl list-unit-files
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code, out = run(["systemctl", "--user", "list-unit-files", "--type=service", "--no-pager"])
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if code != 0:
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return []
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units = []
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for line in out.splitlines():
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line = line.strip()
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if not line or line.startswith("UNIT FILE") or line.startswith("UNIT"):
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continue
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parts = line.split()
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if parts and parts[0].endswith(".service"):
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units.append(parts[0])
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return sorted(set(units))
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def unit_state(unit):
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# active state
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_, active = run(["systemctl", "--user", "is-active", unit])
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active = active.splitlines()[0].strip() if active else "unknown"
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# enabled state (kan falen in container-context)
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code, enabled_out = run(["systemctl", "--user", "is-enabled", unit])
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enabled_out = enabled_out.splitlines()[0].strip() if enabled_out else ""
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if code != 0 or "Failed to get unit file state" in enabled_out:
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enabled = "unknown"
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else:
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enabled = enabled_out
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return active, enabled
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def get_units_for_ui():
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all_units = list_unit_files()
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_, allow_mode = read_allowlist()
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result = []
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for u in all_units:
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active, enabled = unit_state(u)
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result.append({"name": u, "active": active, "enabled": enabled})
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return result, allow_mode
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def assert_allowed(unit):
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allowed, allow_mode = read_allowlist()
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if allow_mode and unit not in allowed:
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abort(403, description="Unit not allowed by allowlist")
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@app.get("/")
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def index():
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units, allow_mode = get_units_for_ui()
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return render_template_string(
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HTML,
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units=units,
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output=None,
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allowfile=ALLOWLIST_FILE,
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allow_mode=allow_mode
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)
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@app.post("/daemon-reload")
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def api_daemon_reload():
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try:
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code, out = run(["systemctl", "--user", "daemon-reload"])
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return {
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"cmd": "systemctl --user daemon-reload",
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"exit": code,
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"output": out
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}
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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@app.post("/{action}/{unit}")
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def api_action(action: str, unit: str):
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if action not in {"status", "start", "stop", "restart"}:
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raise HTTPException(status_code=400, detail="Invalid action")
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# allowlist check
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allowed, allow_mode = read_allowlist()
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if allow_mode and unit not in allowed:
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raise HTTPException(status_code=403, detail="Unit not allowed by allowlist")
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cmd = ["systemctl", "--user", action, unit]
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code, out = run(cmd)
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return {"cmd": " ".join(cmd), "exit": code, "output": out}
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@app.post("/action")
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def action_form():
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unit = request.form.get("unit", "")
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action = request.form.get("action", "")
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if action not in {"status", "start", "stop", "restart"}:
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return "Invalid action", 400
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assert_allowed(unit)
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cmd = ["systemctl", "--user", action, unit]
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code, out = run(cmd)
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units, allow_mode = get_units_for_ui()
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return render_template_string(
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HTML,
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units=units,
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output=f"$ {' '.join(cmd)}\n(exit {code})\n\n{out}",
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allowfile=ALLOWLIST_FILE,
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allow_mode=allow_mode
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)
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@app.post("/api/<action>/<unit>")
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def api_action(action, unit):
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if action not in {"status", "start", "stop", "restart"}:
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return jsonify({"error": "Invalid action"}), 400
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assert_allowed(unit)
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cmd = ["systemctl", "--user", action, unit]
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code, out = run(cmd)
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return jsonify({"cmd": cmd, "exit": code, "output": out})
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if __name__ == "__main__":
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uvicorn.run(app, host="0.0.0.0", port=8000)
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Reference in New Issue
Block a user