Change(prometheus): Config for oldschool scraping

projects/grafana/project.yml

@@ -6,3 +6,8 @@ apps:
   repoURL: https://prometheus-community.github.io/helm-charts 
   chart: kube-prometheus-stack
   targetRevision: 34.7.1
+  secrets:
+    - name: grafana
+      keys:
+        - admin-password
+        - admin-user

projects/grafana/values/kube-prometheus-stack.yaml

@@ -218,37 +218,39 @@ alertmanager:
   #       {{ end }}
 
   ingress:
-    enabled: false
+    enabled: true
 
     # For Kubernetes >= 1.18 you should specify the ingress-controller via the field ingressClassName
     # See https://kubernetes.io/blog/2020/04/02/improvements-to-the-ingress-api-in-kubernetes-1.18/#specifying-the-class-of-an-ingress
-    # ingressClassName: nginx
+    ingressClassName: ingress-internal-traefik
 
-    annotations: {}
+    annotations: 
+      cert-manager.io/cluster-issuer: vault-issuer
+      traefik.ingress.kubernetes.io/router.tls: 'true'
 
     labels: {}
 
     ## Hosts must be provided if Ingress is enabled.
     ##
-    hosts: []
+    hosts: 
-      # - alertmanager.domain.com
+      - alertmanager.dc
 
     ## Paths to use for ingress rules - one path should match the alertmanagerSpec.routePrefix
     ##
-    paths: []
+    paths:
-    # - /
+     - /
 
     ## For Kubernetes >= 1.18 you should specify the pathType (determines how Ingress paths should be matched)
     ## See https://kubernetes.io/blog/2020/04/02/improvements-to-the-ingress-api-in-kubernetes-1.18/#better-path-matching-with-path-types
-    # pathType: ImplementationSpecific
+    pathType: ImplementationSpecific
 
     ## TLS configuration for Alertmanager Ingress
     ## Secret must be manually created in the namespace
     ##
-    tls: []
+    tls:
-    # - secretName: alertmanager-general-tls
+    - secretName: alertmanager-general-tls
-    #   hosts:
+      hosts:
-    #   - alertmanager.example.com
+      - alertmanager.dc
 
   ## Configuration for Alertmanager secret
   ##
@@ -650,6 +652,10 @@ grafana:
   enabled: true
   namespaceOverride: "grafana"
 
+  image:
+    repository: grafana/grafana
+    tag: 8.4.5
+
   ## ForceDeployDatasources Create datasource configmap even if grafana deployment has been disabled
   ##
   forceDeployDatasources: false
@@ -667,7 +673,7 @@ grafana:
   ##
   defaultDashboardsTimezone: utc
 
-  #adminPassword: prom-operator
+  adminPassword: prom-operator
 
   rbac:
     ## If true, Grafana PSPs will be created
@@ -715,6 +721,9 @@ grafana:
        hosts:
        - grafana.dc
 
+  admin:
+    existingSecret: "grafana"
+
   sidecar:
     dashboards:
       enabled: true
@@ -1755,13 +1764,31 @@ prometheusOperator:
 ## Deploy a Prometheus instance
 ##
 prometheus:
-
   enabled: true
 
+  image:
+    repository: quay.io/prometheus/prometheus
+    tag: v2.34.0
+
+  strategy: 
+    type: Recreate
+
+  sidecarContainers:
+    smartctl:
+      name: smartctl-exporter
+      image: matusnovak/prometheus-smartctl:latest
+      securityContext:
+        runAsNonRoot: false
+        privileged: true
+      ports:
+        - name: metrics
+          containerPort: 9902
+
   ## Annotations for Prometheus
   ##
   annotations: {}
 
+
   ## Service account for Prometheuses to use.
   ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
   ##
@@ -2477,7 +2504,66 @@ prometheus:
     ## The scrape configuration example below will find master nodes, provided they have the name .*mst.*, relabel the
     ## port to 2379 and allow etcd scraping provided it is running on all Kubernetes master nodes
     ##
-    additionalScrapeConfigs: []
+    additionalScrapeConfigs:
+      # This scrapes all services/pods with prometheus.io/scrape annotation:
+      - job_name: 'smartctl'
+        scrape_interval: 60s
+        static_configs:
+         - targets: ['127.0.0.1:9902']
+      - job_name: 'openwrt'
+        scrape_interval: 30s
+        static_configs:
+        - targets: ['192.168.1.1:9100']
+      - job_name: 'kubernetes-services'
+        kubernetes_sd_configs:
+        - role: service
+        relabel_configs:
+        - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape]
+          action: keep
+          regex: true
+        - 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
+          regex: ([^:]+)(?::\d+)?;(\d+)
+          replacement: $1:$2
+          target_label: __address__
+        - 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_service_name
+
+      - 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
+
     # - job_name: kube-etcd
     #   kubernetes_sd_configs:
     #     - role: node