cloudmon/monitor/views.py
bast 9987533f8a
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monitor/views.py aktualisiert
2026-11-02 18:16:15 +00:00

111 lines
5.3 KiB
Python

cat << 'EOF' > /home/bast/build/cloudmon/monitor/views.py
import json
import base64
import requests
import traceback
from django.http import JsonResponse
from django.views.generic import TemplateView, View
class DashboardView(TemplateView):
template_name = "monitor/dashboard.html"
class ClusterGraphDataView(View):
def get(self, request, *args, **kwargs):
try:
repo_name = request.GET.get("repo", "boday_tf")
consul_url = f"http://consul:8500/v1/kv/terraform/states/{repo_name}"
response = requests.get(consul_url, timeout=5)
if response.status_code == 404:
return JsonResponse({
"name": f"Warte auf Consul-Key '{repo_name}'...",
"type": "Root",
"children": []
})
consul_data = response.json()
# KORRIGIERT: Holt das erste Element [0] aus der Consul-Liste, bevor .get() gerufen wird!
if isinstance(consul_data, list) and len(consul_data) > 0:
raw_value = consul_data[0].get("Value")
else:
raw_value = consul_data.get("Value") if hasattr(consul_data, "get") else None
if not raw_value:
return JsonResponse({
"name": f"Key '{repo_name}' geladen, aber Value ist 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", [])
# Falls instances eine Liste ist (oft der Fall im State)
if isinstance(instances, list) and len(instances) > 0:
attributes = instances[0].get("attributes", {})
elif isinstance(instances, dict):
attributes = instances.get("attributes", {})
else:
attributes = res.get("values", {})
if not attributes:
continue
metadata = attributes.get("metadata", [{}])
actual_name = metadata[0].get("name", res_name) if isinstance(metadata, list) and len(metadata) > 0 else metadata.get("name", res_name) if hasattr(metadata, "get") else res_name
if res_type in ["kubernetes_ingress_v1", "kubernetes_ingress"]:
spec = attributes.get("spec", [{}])
rules = spec[0].get("rule", []) if isinstance(spec, list) and len(spec) > 0 else spec.get("rule", []) if hasattr(spec, "get") else []
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", [{}]) if hasattr(rule, "get") else {}
paths = http.get("path", []) if isinstance(http, dict) else http[0].get("path", []) if isinstance(http, list) and len(http) > 0 else []
for path in paths:
backend = path.get("backend", [{}]) if hasattr(path, "get") else {}
service_block = backend.get("service", {}) if isinstance(backend, dict) else backend[0].get("service", {}) if isinstance(backend, list) and len(backend) > 0 else {}
backend_svc = service_block.get("name") if hasattr(service_block, "get") else None
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:
error_msg = f"Fehler: {str(e)} -> Traceback: {traceback.format_exc()}"
return JsonResponse({
"name": "cloudmon // Fehler-Detail",
"type": "Root",
"children": [{"name": f"Details: {str(e)}", "type": "Error", "children": []}]
})
EOF