Helm/OpenSearch

helm repo add bitnami https://charts.bitnami.com/bitnami
helm repo update && helm repo list
kubectl config get-contexts

Config

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

Install

helm show values opensearch/opensearch --version=1.4.0|less helm show values opensearch/opensearch --version=1.5.0|less kubectl get ns|grep opensearch kubectl delete ns opensearch kubectl create ns opensearch	kubectl -n=opensearch create secret generic opensearch \ --from-literal=opensearch-dashboards-password=sadaqah! \ --from-literal=opensearch-password=sadaqah! \ --from-literal=logstash-password=sadaqah! \ --dry-run=client -o=yaml \ | kubectl apply -f=-
cat <<ENV | kubectl -n=opensearch create secret generic opensearch --from-env-file=/dev/stdin opensearch-dashboards-password=sadaqah! opensearch-password=sadaqah! logstash-password=sadaqah! ENV
cat << YML | kubectl -n=opensearch apply -f=- --- apiVersion: v1 kind: PersistentVolume metadata: name: pv-opensearch spec: persistentVolumeReclaimPolicy: Retain storageClassName: standard capacity: storage: 10Gi accessModes: - ReadWriteOnce hostPath: path: /tmp/hostpath-provisioner/opensearch/pvc-opensearch --- apiVersion: v1 kind: PersistentVolumeClaim metadata: labels: app.kubernetes.io/name: opensearch name: pvc-opensearch spec: storageClassName: standard accessModes: - ReadWriteOnce resources: requests: storage: 10Gi volumeName: pv-opensearch YML	cat << YML | kubectl -n=opensearch apply -f=- --- --- apiVersion: v1 kind: PersistentVolumeClaim metadata: labels: app.kubernetes.io/name: opensearch name: pvc-opensearch spec: storageClassName: standard accessModes: - ReadWriteOnce resources: requests: storage: 10Gi YML
PV_NAME="$(kubectl -n=opensearch get pvc pvc-opensearch -o=yaml|yq -r .spec.volumeName)" cat <<YML |kubectl -n=opensearch patch pv ${PV_NAME} --patch-file=/dev/stdin --- spec: persistentVolumeReclaimPolicy: Retain YML
cat <<YML | helm -n=opensearch install opensearch opensearch/opensearch --version=1.5.0 -f=- --- ingress: path: / hosts: - opensearch.k8s.local ingressClassName: nginx enabled: true replicas: 1 nodeGroup: master clusterName: opensearch nameOverride: opensearch fullnameOverride: opensearch masterService: opensearch-master YML
xdg-open http://opensearch.k8s.local &>/dev/null & gnome-open http://opensearch.k8s.local &>/dev/null &	x-www-browser http://opensearch.k8s.local &>/dev/null & sensible-browser http://opensearch.k8s.local &>/dev/null &

Uninstall

helm uninstall -n=opensearch opensearch
kubectl delete namespace opensearch

Playground

helm -n=opensearch install opensearch opensearch/opensearch --version=1.4.0 helm -n=opensearch upgrade -i opensearch opensearch/opensearch --version=1.5.0 helm show values opensearch/opensearch --version=1.5.0|less
kubectl -n=opensearch exec -it svc/opensearch-master -c=fsgroup-volume -- sh kubectl -n=opensearch exec -it svc/opensearch-master -c=opensearch -- sh
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 -n=opensearch delete all --all kubectl -n=opensearch delete ing --all kubectl -n=opensearch delete sts --all	kubectl -n=opensearch delete svc --all kubectl -n=opensearch delete pvc --all kubectl -n=opensearch delete pv --all
kubectl -n=opensearch rollout history deploy opensearch kubectl -n=opensearch rollout restart deploy opensearch kubectl -n=opensearch rollout status deploy opensearch	kubectl -n=opensearch logs -f svc/opensearch-master -c=opensearch kubectl -n=opensearch exec -it svc/opensearch-master -- sh kubectl -n=opensearch logs -f svc/opensearch-master

References

Helm » Prometheus Stack Helm » Cert Manager Helm » OpenSearch Helm » GitLab Helm » Solr Helm
K8s » Configure Service Accounts for Pods K8s » Restart Pods With Kubectl K8s » Interactive Pod K8s » Restart Pods Docker » Makefile Kubernetes Minikube Kubectl CURL K8s	K8s » kubectl rollout K8s » CSI Hostpath Driver K8s » Ingress K8s » Service K8s » Run MySQL MinIO CIDR UFW Port