refactor: remove prometheus

ansible/roles/kubernetes_prometheus/defaults/main.yaml

@@ -1,51 +0,0 @@
-prometheus_chart_version: 86.3.2
-
-prometheus_values:
-  grafana:
-    enabled: true
-    adminPassword: password
-    envFromSecrets:
-      - name: grafana-oidc-secret
-    ingress:
-      enabled: true
-      ingressClassName: traefik
-      annotations:
-        cert-manager.io/cluster-issuer: letsencrypt
-      hosts:
-        - grafana.solidish.dev
-      tls:
-        - secretName: grafana-solidish-dev-tls
-          hosts:
-            - grafana.solidish.dev
-    grafana.ini:
-      server:
-        root_url: https://grafana.solidish.dev
-      auth.generic_oauth:
-        enabled: true
-        name: Authentik
-        client_id: $__env{GRAFANA_OIDC_CLIENT_ID}
-        client_secret: $__env{GRAFANA_OIDC_CLIENT_SECRET}
-        scopes: openid profile email
-        auth_url: https://auth.solidish.dev/application/o/authorize/
-        token_url: https://auth.solidish.dev/application/o/token/
-        api_url: https://auth.solidish.dev/application/o/userinfo/
-        role_attribute_path: contains(groups, 'admin') && 'Admin' || 'Viewer'
-        allow_assign_grafana_admin: true
-  alertmanager:
-    enabled: false
-  prometheus:
-    prometheusSpec:
-      retention: 30d
-      storageSpec:
-        volumeClaimTemplate:
-          spec:
-            accessModes: ["ReadWriteOnce"]
-            resources:
-              requests:
-                storage: 10Gi
-      resources:
-        requests:
-          cpu: 100m
-          memory: 512Mi
-        limits:
-          memory: 2Gi

ansible/roles/kubernetes_prometheus/tasks/main.yaml

@@ -1,25 +0,0 @@
-- name: Ensure Grafana OIDC secret exists
-  kubernetes.core.k8s:
-    state: present
-    definition:
-      apiVersion: v1
-      kind: Secret
-      metadata:
-        name: grafana-oidc-secret
-        namespace: monitoring
-      type: Opaque
-      stringData:
-        GRAFANA_OIDC_CLIENT_ID: "{{ lookup('proton_pass', item_title='Grafana OIDC', vault_name='Home Lab', field='Client ID') }}"
-        GRAFANA_OIDC_CLIENT_SECRET: "{{ lookup('proton_pass', item_title='Grafana OIDC', vault_name='Home Lab', field='Client secret') }}"
-  no_log: true
-  run_once: true
-
-- name: Ensure kube-prometheus-stack is installed
-  kubernetes.core.helm:
-    release_name: prometheus
-    release_namespace: monitoring
-    chart_ref: oci://ghcr.io/prometheus-community/charts/kube-prometheus-stack
-    chart_version: "{{ prometheus_chart_version }}"
-    create_namespace: true
-    values: "{{ prometheus_values }}"
-  run_once: true