Add Prometheus and Alertmanager configurations: implement custom rules, alerting, and Telegram notifications

terraform/apps/prod-01/resources/prometheus.yml

@@ -1,41 +1,4 @@
-global:
-  scrape_interval: 5s
-  evaluation_interval: 5s
-rule_files:
-  - /etc/prometheus/prometheus.rules
 scrape_configs:
-  - job_name: kubernetes-nodes-cadvisor
-    scrape_interval: 10s
-    scrape_timeout: 10s
-    scheme: https # remove if you want to scrape metrics on insecure port
-    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
-    kubernetes_sd_configs:
-      - role: node
-    relabel_configs:
-      - action: labelmap
-        regex: __meta_kubernetes_node_label_(.+)
-      # Only for Kubernetes ^1.7.3.
-      # See: https://github.com/prometheus/prometheus/issues/2916
-      - target_label: __address__
-        replacement: kubernetes.default.svc:443
-      - source_labels: [__meta_kubernetes_node_name]
-        regex: (.+)
-        target_label: __metrics_path__
-        replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor
-    metric_relabel_configs:
-      - action: replace
-        source_labels: [id]
-        regex: '^/machine\.slice/machine-rkt\\x2d([^\\]+)\\.+/([^/]+)\.service$'
-        target_label: rkt_container_name
-        replacement: "${2}-${1}"
-      - action: replace
-        source_labels: [id]
-        regex: '^/system\.slice/(.+)\.service$'
-        target_label: systemd_service_name
-        replacement: "${1}"
   - job_name: node-exporter
     scrape_interval: 10s
     static_configs: