feat: add homelab deployment configs, documentation, and automation scripts

scripts/test_prom_rbac.py

@@ -0,0 +1,56 @@
+import paramiko
+
+c = paramiko.SSHClient()
+c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+c.connect('140.44.4.11', username='root', key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
+
+def run(cmd):
+    _, o, e = c.exec_command(cmd)
+    return o.read().decode().strip()
+
+test_script = """
+cat << 'EOF' | kubectl apply -f -
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: prometheus
+  namespace: default
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: prometheus
+rules:
+  - apiGroups: [""]
+    resources:
+      - nodes
+      - nodes/proxy
+      - nodes/metrics
+      - services
+      - endpoints
+      - pods
+    verbs: ["get", "list", "watch"]
+  - nonResourceURLs: ["/metrics", "/metrics/cadvisor"]
+    verbs: ["get"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: prometheus
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: prometheus
+subjects:
+  - kind: ServiceAccount
+    name: prometheus
+    namespace: default
+EOF
+
+TOKEN=$(kubectl create token prometheus --duration=1h)
+curl -sk -H "Authorization: Bearer $TOKEN" https://localhost:6443/api/v1/nodes/sninfr2lnxctl01/proxy/metrics/cadvisor | head -n 15
+"""
+
+print(run(test_script))
+c.close()
+