cloudmon/monitor/views.py
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monitor/views.py aktualisiert
2026-11-02 17:47:39 +00:00

94 lines
4.4 KiB
Python

import json
import base64
import requests
import logging
from django.http import JsonResponse
from django.views.generic import TemplateView, View
logger = logging.getLogger(__name__)
class DashboardView(TemplateView):
template_name = "monitor/dashboard.html"
class ClusterGraphDataView(View):
def get(self, request, *args, **kwargs):
repo_name = request.GET.get("repo", "boday_tf")
consul_url = f"http://consul:8500/v1/kv/terraform/states/{repo_name}"
# ABSOLUTER SICHERHEITSGURT: Fängt jeden Parsing-Fehler ab, damit das Dashboard NIEMALS mit 500 abstürzt
try:
response = requests.get(consul_url, timeout=5)
if response.status_code == 404:
return JsonResponse({"name": f"Warte auf korrekten Consul-Key '{repo_name}'...", "type": "Root", "children": []})
consul_json = response.json()
if isinstance(consul_json, list) and len(consul_json) > 0:
raw_value = consul_json[0].get("Value")
else:
raw_value = consul_json.get("Value")
if not raw_value:
return JsonResponse({"name": f"Key '{repo_name}' leer.", "type": "Root", "children": []})
# Base64 decodieren
state_json = json.loads(base64.b64decode(raw_value).decode('utf-8'))
# Flache Ressourcen parsen
resources = state_json.get("resources", [])
ingresses = []
services = {}
deployments = {}
for res in resources:
res_type = res.get("type")
res_name = res.get("name")
instances = res.get("instances", [])
if not instances or not isinstance(instances, list): continue
attributes = instances[0].get("attributes", {})
metadata = attributes.get("metadata", [{}])
actual_name = metadata[0].get("name", res_name) if isinstance(metadata, list) else metadata.get("name", res_name)
if res_type in ["kubernetes_ingress_v1", "kubernetes_ingress"]:
spec = attributes.get("spec", [{}])
rules = spec[0].get("rule", []) if isinstance(spec, list) else spec.get("rule", [])
ingresses.append({"name": actual_name, "rules": rules})
elif res_type in ["kubernetes_service", "kubernetes_service_v1"]:
services[actual_name] = {"name": actual_name, "type": "Service"}
elif res_type in ["kubernetes_deployment", "kubernetes_deployment_v1"]:
deployments[actual_name] = {"name": actual_name, "type": "Deployment"}
root_node = {
"name": f"Consul Storage: {repo_name}",
"type": "Root",
"children": []
}
for ing in ingresses:
ing_node = {"name": ing["name"], "type": "Ingress", "children": []}
for rule in ing["rules"]:
http = rule.get("http", [{}])
paths = http[0].get("path", []) if isinstance(http, list) else http.get("path", [])
for path in paths:
backend = path.get("backend", [{}])
service_block = backend[0].get("service", {}) if isinstance(backend, list) else backend.get("service", {})
backend_svc = service_block.get("name")
if backend_svc in services:
svc_node = {"name": backend_svc, "type": "Service", "children": []}
for dep_name in deployments.keys():
if dep_name in backend_svc or backend_svc in dep_name:
svc_node["children"].append({"name": dep_name, "type": "Deployment", "children": []})
ing_node["children"].append(svc_node)
root_node["children"].append(ing_node)
return JsonResponse(root_node)
except Exception as e:
logger.error(f"Sicherheits-Fallback gegriffen: {str(e)}")
# Liefert im Fehlerfall ein valides leeres Baumdiagramm (HTTP 200 OK statt 500!)
return JsonResponse({
"name": f"Boday-IT Monitor // Synchronisiere '{repo_name}'...",
"type": "Root",
"children": []
})