Guillaume BOURGEOIS
5501297984
Compute Engine + Security Command Center, 7 commands: list/create/delete VPC firewall rules (deny to isolate), list/stop instances, list SCC findings. Service-account RS256 JWT auth (remote engine, PyJWT + cryptography). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
import json, os, sys, time, urllib.parse, urllib.request, urllib.error
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import jwt
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TOKEN_URL = "https://oauth2.googleapis.com/token"
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SCOPE = "https://www.googleapis.com/auth/cloud-platform"
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COMPUTE = "https://compute.googleapis.com/compute/v1"
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def _cfg():
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return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
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def _inputs():
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return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
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def _token(cfg):
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raw = cfg.get("service_account_json", "")
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sa = json.loads(raw) if isinstance(raw, str) else raw
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if not sa.get("client_email") or not sa.get("private_key"):
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raise Exception("service_account_json must contain client_email and private_key")
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now = int(time.time())
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aud = sa.get("token_uri") or TOKEN_URL
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payload = {
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"iss": sa["client_email"],
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"scope": SCOPE,
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"aud": aud,
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"iat": now,
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"exp": now + 3600,
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}
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assertion = jwt.encode(payload, sa["private_key"], algorithm="RS256")
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data = urllib.parse.urlencode({
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"grant_type": "urn:ietf:params:oauth:grant-type:jwt-bearer",
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"assertion": assertion,
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}).encode("utf-8")
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req = urllib.request.Request(aud, data=data,
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headers={"Content-Type": "application/x-www-form-urlencoded"}, method="POST")
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with urllib.request.urlopen(req, timeout=60) as r:
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tok = json.loads(r.read())
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if not tok.get("access_token"):
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raise Exception("Token request failed: " + json.dumps(tok))
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return tok["access_token"]
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def api(method, url, cfg, body=None, params=None):
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q = {k: str(v) for k, v in (params or {}).items() if v not in (None, "")}
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if q:
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url += ("&" if "?" in url else "?") + urllib.parse.urlencode(q)
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data = json.dumps(body).encode("utf-8") if body is not None else None
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headers = {"Accept": "application/json", "Authorization": "Bearer " + _token(cfg)}
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if data is not None:
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headers["Content-Type"] = "application/json"
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req = urllib.request.Request(url, data=data, headers=headers, method=method)
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with urllib.request.urlopen(req, timeout=90) as r:
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raw = r.read()
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return json.loads(raw) if raw else {}
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def _run(fn):
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try:
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print(json.dumps(fn(_cfg(), _inputs())))
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except urllib.error.HTTPError as e:
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print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
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sys.exit(1)
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except Exception as e:
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print(json.dumps({"error": str(e)}))
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sys.exit(1)
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proj = lambda cfg: str(cfg.get("project_id", ""))
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q = lambda v: urllib.parse.quote(str(v), safe="")
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def main(cfg, inputs):
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zone = inputs.get("zone")
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if not zone:
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raise Exception("zone is required")
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instance = inputs.get("instance")
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if not instance:
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raise Exception("instance is required")
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url = COMPUTE + "/projects/{}/zones/{}/instances/{}/stop".format(proj(cfg), q(zone), q(instance))
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return api("POST", url, cfg)
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_run(main)
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