Helm/PgAdmin4

helm repo add runix https://helm.runix.net
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 runix/pgadmin4 --version=1.30.0|less helm show values runix/pgadmin4 --version=1.31.0|less kubectl get ns|grep pgadmin kubectl delete ns pgadmin	kubectl get ns|grep pgadmin kubectl create ns pgadmin cat <<ENV | kubectl -n pgadmin create secret generic pgadmin --from-env-file=/dev/stdin password=sadaqah! ENV
cat <<-'YML' | kubectl -n pgadmin create secret generic servers --from-file=servers=/dev/stdin --- firstServer: Name: psql.k8s.local Group: www.k8s.local Port: 5432 Username: academia Host: postgresql.postgresql.svc MaintenanceDB: academia YML
cat << YML | kubectl -n pgadmin apply -f - --- apiVersion: v1 kind: PersistentVolume metadata: name: pv-pgadmin spec: storageClassName: standard capacity: storage: 10Gi accessModes: - ReadWriteOnce hostPath: path: /tmp/hostpath-provisioner/pgadmin/pvc-pgadmin --- apiVersion: v1 kind: PersistentVolumeClaim metadata: labels: app.kubernetes.io/name: pgadmin name: pvc-pgadmin spec: storageClassName: standard accessModes: - ReadWriteOnce resources: requests: storage: 10Gi volumeName: pv-pgadmin YML	cat << YML | kubectl -n pgadmin apply -f - --- --- apiVersion: v1 kind: PersistentVolumeClaim metadata: labels: app.kubernetes.io/name: pgadmin name: pvc-pgadmin spec: storageClassName: standard accessModes: - ReadWriteOnce resources: requests: storage: 10Gi YML
cat <<YML | helm -n pgadmin install pgadmin runix/pgadmin4 --version=1.31.0 -f - --- ingress: enabled: true ingressClassName: nginx hosts: - host: pgadmin.k8s.local paths: - path: / pathType: Prefix persistentVolume: existingClaim: pvc-pgadmin size: 10Gi fullnameOverride: pgadmin existingSecret: pgadmin serverDefinitions: enabled: true resourceType: Secret existingSecret: servers env: email: [email protected] enhanced_cookie_protection: "True" YML
echo -n password: ; read -s PGPASSWORD; export PGPASSWORD; echo psql -h psql.k8s.local -p 5432 -U academia academia psql -h psql.k8s.local -p 5432 -U postgres postgres	echo -n password: ; read -s PGPASSWORD; export PGPASSWORD; echo psql 'postgres://academia:@psql.k8s.local:5432/academia' psql 'postgres://postgres:@psql.k8s.local:5432/postgres'

Uninstall

helm uninstall -n pgadmin pgadmin
kubectl delete namespace pgadmin

Swiss Knife

kubectl -n postgresql run -i --tty --rm psql --image=alpine --restart=Never -- sh
echo -n password: ; read -s PGPASSWORD; export PGPASSWORD; echo
apk --update add --no-cache postgresql-client inetutils-telnet

psql -d postgres -U postgres -h postgresql.postgresql.svc.cluster.local
psql -d postgres -U postgres -h postgresql.postgresql.svc
psql -d postgres -U postgres -h postgresql.postgresql
psql -d postgres -U postgres -h postgresql

Playground

helm -n pgadmin install pgadmin runix/pgadmin4 --version=1.30.0 helm -n pgadmin upgrade -i pgadmin runix/pgadmin4 --version=1.31.0 helm show values runix/pgadmin4 --version=1.31.0|less
kubectl -n pgadmin exec -it svc/pgadmin -c pgadmin4 -- ls -lah /var/lib/pgadmin/storage kubectl -n pgadmin exec -it svc/pgadmin -c pgadmin4 -- ls -lah /var/lib/pgadmin kubectl -n pgadmin exec -it svc/pgadmin -c pgadmin4 -- python -V kubectl -n pgadmin exec -it svc/pgadmin -c pgadmin4 -- pip -V kubectl -n pgadmin exec -it svc/pgadmin -c pgadmin4 -- 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 pgadmin delete all --all kubectl -n pgadmin delete ing --all kubectl -n pgadmin delete sts --all	kubectl -n pgadmin delete svc --all kubectl -n pgadmin delete pvc --all kubectl -n pgadmin delete pv --all
kubectl -n pgadmin rollout history deploy pgadmin kubectl -n pgadmin rollout restart deploy pgadmin kubectl -n pgadmin rollout status deploy pgadmin	kubectl -n pgadmin logs -f svc/pgadmin -c pgadmin4 kubectl -n pgadmin exec -it svc/pgadmin -- sh kubectl -n pgadmin logs -f svc/pgadmin

References

Helm » Pass YAML/JSON using stdin Helm » Prometheus Stack Helm » GitLab External Helm » Cert Manager Helm » PostgreSQL Helm » PgAdmin4 Helm » GitLab 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	PostgreSQL