start vm and grafana without persistant storage

README.md

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+kubectl create namespace monitoring
+helm repo add vm https://victoriametrics.github.io/helm-charts/
+helm repo add grafana-community https://grafana-community.github.io/helm-charts
+helm repo update
+helm install vmcluster vm/victoria-metrics-cluster -f victoria-metrics-cluster-values.yml --namespace monitoring
+helm install vmagent vm/victoria-metrics-agent -f guide-vmcluster-vmagent-values.yaml --namespace monitoring
+helm install grafana grafana-community/grafana -f grafana-cluster-values.yml --namespace monitoring

grafana-cluster-values.yml

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+  datasources:
+    datasources.yaml:
+      apiVersion: 1
+      datasources:
+        - name: victoriametrics
+          type: prometheus
+          orgId: 1
+          url: http://vmcluster-victoria-metrics-cluster-vmselect.monitoring.svc.cluster.local:8481/select/0/prometheus/
+          access: proxy
+          isDefault: true
+          updateIntervalSeconds: 10
+          editable: true
+
+  dashboardProviders:
+   dashboardproviders.yaml:
+     apiVersion: 1
+     providers:
+     - name: 'default'
+       orgId: 1
+       folder: ''
+       type: file
+       disableDeletion: true
+       editable: true
+       options:
+         path: /var/lib/grafana/dashboards/default
+
+  dashboards:
+    default:
+      victoriametrics:
+        gnetId: 11176
+        datasource: victoriametrics
+      vmagent:
+        gnetId: 12683
+        datasource: victoriametrics
+      kubernetes:
+        gnetId: 14205
+        datasource: victoriametrics

guide-vmcluster-vmagent-values.yaml

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+remoteWrite:
+  - url: http://vmcluster-victoria-metrics-cluster-vminsert.monitoring.svc.cluster.local:8480/insert/0/prometheus/
+
+config:
+  global:
+    scrape_interval: 10s
+
+  scrape_configs:
+    - job_name: vmagent
+      static_configs:
+        - targets: ["localhost:8429"]
+    - 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
+    - job_name: "kubernetes-nodes"
+      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
+      kubernetes_sd_configs:
+        - role: node
+      relabel_configs:
+        - action: labelmap
+          regex: __meta_kubernetes_node_label_(.+)
+    - job_name: "kubernetes-nodes-cadvisor"
+      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
+      kubernetes_sd_configs:
+        - role: node
+      metrics_path: /metrics/cadvisor
+      relabel_configs:
+        - action: labelmap
+          regex: __meta_kubernetes_node_label_(.+)
+        - source_labels: [__metrics_path__]
+          target_label: metrics_path
+      metric_relabel_configs:
+        - action: replace
+          source_labels: [pod]
+          regex: '(.+)'
+          target_label: pod_name
+          replacement: '${1}'
+        - action: replace
+          source_labels: [container]
+          regex: '(.+)'
+          target_label: container_name
+          replacement: '${1}'
+        - action: replace
+          target_label: name
+          replacement: k8s_stub
+        - action: replace
+          source_labels: [id]
+          regex: '^/system\.slice/(.+)\.service$'
+          target_label: systemd_service_name
+          replacement: '${1}'
+    - job_name: "kubernetes-service-endpoints"
+      kubernetes_sd_configs:
+        - role: endpoints
+      relabel_configs:
+        - action: drop
+          source_labels: [__meta_kubernetes_pod_container_init]
+          regex: true
+        - action: keep_if_equal
+          source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_port, __meta_kubernetes_pod_container_port_number]
+        - 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
+        - source_labels: [__meta_kubernetes_pod_node_name]
+          action: replace
+          target_label: kubernetes_node
+    - job_name: "kubernetes-service-endpoints-slow"
+      scrape_interval: 5m
+      scrape_timeout: 30s
+      kubernetes_sd_configs:
+        - role: endpoints
+      relabel_configs:
+        - action: drop
+          source_labels: [__meta_kubernetes_pod_container_init]
+          regex: true
+        - action: keep_if_equal
+          source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_port, __meta_kubernetes_pod_container_port_number]
+        - source_labels:
+            [__meta_kubernetes_service_annotation_prometheus_io_scrape_slow]
+          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
+        - source_labels: [__meta_kubernetes_pod_node_name]
+          action: replace
+          target_label: kubernetes_node
+    - job_name: "kubernetes-services"
+      metrics_path: /probe
+      params:
+        module: [http_2xx]
+      kubernetes_sd_configs:
+        - role: service
+      relabel_configs:
+        - source_labels:
+            [__meta_kubernetes_service_annotation_prometheus_io_probe]
+          action: keep
+          regex: true
+        - source_labels: [__address__]
+          target_label: __param_target
+        - target_label: __address__
+          replacement: blackbox
+        - source_labels: [__param_target]
+          target_label: instance
+        - action: labelmap
+          regex: __meta_kubernetes_service_label_(.+)
+        - source_labels: [__meta_kubernetes_namespace]
+          target_label: kubernetes_namespace
+        - source_labels: [__meta_kubernetes_service_name]
+          target_label: kubernetes_name
+    - job_name: "kubernetes-pods"
+      kubernetes_sd_configs:
+        - role: pod
+      relabel_configs:
+        - action: drop
+          source_labels: [__meta_kubernetes_pod_container_init]
+          regex: true
+        - action: keep_if_equal
+          source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_port, __meta_kubernetes_pod_container_port_number]
+        - 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