Helm/Prometheus

helm repo add prometheus https://prometheus-community.github.io/helm-charts
helm repo update
helm repo list

Config

export KUBECONFIG="${HOME}/.kube/dev-kubeconfig.yaml"
export KUBECONFIG="${HOME}/.kube/gcp-kubeconfig.yaml"
export KUBECONFIG="${HOME}/.kube/config"

Install

kubectl create namespace prometheus
helm show values prometheus/prometheus
cat <<YML | helm install -n prometheus prometheus prometheus/prometheus -f -
server:
  ingress:
    enabled: true
    hosts:
    - prometheus.k8s.local
YML

ConfigMap

cat <<-'YML' | kubectl -n prometheus apply -f -
apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-server-conf
  namespace: prometheus
data:
  prometheus.yml: |
    global:
      scrape_interval: 15s

    scrape_configs:
      - job_name: 'kubernetes-apiservers'

        kubernetes_sd_configs:
        - role: endpoints

        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_(.+)

        - 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

      - job_name: 'metrics-server'
        kubernetes_sd_configs:
        - role: endpoints
        relabel_configs:
        - source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
          action: keep
          regex: kube-system;metrics-server;https
YML

Uninstall

helm uninstall -n prometheus prometheus
helm delete    -n prometheus prometheus

Playground

helm upgrade --install -f values.yaml prometheus prometheus/prometheus helm upgrade --install prometheus prometheus/prometheus helm show values prometheus/prometheus	kubectl exec -n prometheus -it prometheus-6fd8886fd4-4vwgh -- cat /etc/os-release kubectl exec -n prometheus -it prometheus-6fd8886fd4-4vwgh -- bash kubectl exec -n prometheus -it prometheus-6fd8886fd4-4vwgh -- sh
kubectl delete all --all -n prometheus kubectl delete ing --all -n prometheus kubectl delete sts --all -n prometheus	kubectl delete svc --all -n prometheus kubectl delete pvc --all -n prometheus kubectl delete pv --all -n prometheus
kubectl logs -f prometheus-6fd8886fd4-4vwgh -n prometheus kubectl rollout restart deploy prometheus -n prometheus kubectl rollout restart sts prometheus -n prometheus kubectl logs -f prometheus-hash -n prometheus	kubectl config --kubeconfig=${HOME}/.kube/aws-kubeconfig.yaml view --flatten kubectl config --kubeconfig=${HOME}/.kube/dev-kubeconfig.yaml view --flatten kubectl config --kubeconfig=${HOME}/.kube/gcp-kubeconfig.yaml view --flatten kubectl config --kubeconfig=${HOME}/.kube/config view --flatten
kubectl get secret -n prometheus prometheus -o json|jq -r '.data."admin-password"'|base64 -d;echo kubectl get secret -n prometheus prometheus -o json|jq -r '.data."admin-user"'|base64 -d;echo

References

Helm » Pass YAML/JSON using stdin Helm » Prometheus » GitHub Helm » Prometheus Helm
Prometheus » Spacelift » Blog Prometheus » Client Libraries Prometheus » K8s » Grafana Prometheus » Alerting Rules Prometheus » Configuration Prometheus » Data Model Prometheus » Grafana Prometheus » Quering Prometheus » Storage Prometheus	Prometheus » Exporters
K8s » Configure Service Accounts for Pods K8s » Restart Pods With Kubectl K8s » Interactive Pod K8s » Restart Pods Docker » Makefile Kubernetes Minikube Kubectl CURL K8s