Add the monitoring stack

2026-02-27 01:18:34 +00:00
commit 5a06798d5c
15 changed files with 1013 additions and 0 deletions
--- a/kubernetes/prometheus/configmap.yaml
+++ b/kubernetes/prometheus/configmap.yaml
@@ -0,0 +1,143 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: prometheus-config
+  namespace: monitoring
+data:
+  prometheus.yml: |
+    global:
+      scrape_interval: 30s
+      evaluation_interval: 30s
+      external_labels:
+        monitor: 'talos-cluster'
+        cluster: 'home'
+
+    scrape_configs:
+      # Prometheus self-monitoring
+      - job_name: 'prometheus'
+        static_configs:
+          - targets: ['localhost:9090']
+
+      # Kubernetes API server
+      - job_name: 'kubernetes-apiservers'
+        kubernetes_sd_configs:
+          - role: endpoints
+        scheme: https
+        tls_config:
+          ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+          insecure_skip_verify: true
+        bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+        relabel_configs:
+          - source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
+            action: keep
+            regex: default;kubernetes;https
+
+      # Kubernetes nodes (kubelet)
+      - job_name: 'kubernetes-nodes'
+        kubernetes_sd_configs:
+          - role: node
+        scheme: https
+        tls_config:
+          ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+          insecure_skip_verify: true
+        bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+        relabel_configs:
+          - action: labelmap
+            regex: __meta_kubernetes_node_label_(.+)
+          - target_label: __address__
+            replacement: kubernetes.default.svc:443
+          - source_labels: [__meta_kubernetes_node_name]
+            regex: (.+)
+            target_label: __metrics_path__
+            replacement: /api/v1/nodes/${1}/proxy/metrics
+
+      # Kubernetes nodes (cAdvisor)
+      - job_name: 'kubernetes-cadvisor'
+        kubernetes_sd_configs:
+          - role: node
+        scheme: https
+        tls_config:
+          ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+          insecure_skip_verify: true
+        bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+        relabel_configs:
+          - action: labelmap
+            regex: __meta_kubernetes_node_label_(.+)
+          - target_label: __address__
+            replacement: kubernetes.default.svc:443
+          - source_labels: [__meta_kubernetes_node_name]
+            regex: (.+)
+            target_label: __metrics_path__
+            replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor
+
+      # Kubernetes service endpoints
+      - job_name: 'kubernetes-service-endpoints'
+        kubernetes_sd_configs:
+          - role: endpoints
+        relabel_configs:
+          - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape]
+            action: keep
+            regex: true
+          - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme]
+            action: replace
+            target_label: __scheme__
+            regex: (https?)
+          - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path]
+            action: replace
+            target_label: __metrics_path__
+            regex: (.+)
+          - source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port]
+            action: replace
+            target_label: __address__
+            regex: ([^:]+)(?::\d+)?;(\d+)
+            replacement: $1:$2
+          - action: labelmap
+            regex: __meta_kubernetes_service_label_(.+)
+          - source_labels: [__meta_kubernetes_namespace]
+            action: replace
+            target_label: kubernetes_namespace
+          - source_labels: [__meta_kubernetes_service_name]
+            action: replace
+            target_label: kubernetes_name
+
+      # Kubernetes pods
+      - job_name: 'kubernetes-pods'
+        kubernetes_sd_configs:
+          - role: pod
+        relabel_configs:
+          - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
+            action: keep
+            regex: true
+          - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
+            action: replace
+            target_label: __metrics_path__
+            regex: (.+)
+          - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
+            action: replace
+            regex: ([^:]+)(?::\d+)?;(\d+)
+            replacement: $1:$2
+            target_label: __address__
+          - action: labelmap
+            regex: __meta_kubernetes_pod_label_(.+)
+          - source_labels: [__meta_kubernetes_namespace]
+            action: replace
+            target_label: kubernetes_namespace
+          - source_labels: [__meta_kubernetes_pod_name]
+            action: replace
+            target_label: kubernetes_pod_name
+
+      # Node exporter (DaemonSet)
+      - job_name: 'node-exporter'
+        kubernetes_sd_configs:
+          - role: endpoints
+        relabel_configs:
+          - source_labels: [__meta_kubernetes_endpoints_name]
+            action: keep
+            regex: node-exporter
+          - source_labels: [__meta_kubernetes_endpoint_node_name]
+            target_label: node
+
+      # Kube State Metrics
+      - job_name: 'kube-state-metrics'
+        static_configs:
+          - targets: ['kube-state-metrics.monitoring.svc.cluster.local:8080']