helm repo add jetstack https://charts.jetstack.io
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="${HOME}/.kube/config"
Install
kubectl create namespace cert-manager
helm show values jetstack/cert-manager --version v1.15.1|less
cat <<YML | helm install -n cert-manager cert-manager jetstack/cert-manager --version v1.15.1 -f -
crds:
enabled: true
ingressShim:
defaultIssuerName: letsencrypt-prod
defaultIssuerKind: ClusterIssuer
prometheus:
enabled: false
webhook:
timeoutSeconds: 30
YML
|
Uninstall
helm uninstall -n cert-manager cert-manager
kubectl delete namespace cert-manager
Cluster Issuer » Let's Encrypt
cat << YML | kubectl apply -f -
apiVersion: cert-manager.io/v1
kind: ClusterIssuer
metadata:
name: letsencrypt-prod
spec:
acme:
server: https://acme-v02.api.letsencrypt.org/directory
email: academia@chorke.org
privateKeySecretRef:
name: letsencrypt-prod
solvers:
- http01:
ingress:
class: nginx
YML
kubectl get clusterissuer
Cluster Issuer » Self Signed
cat << YML | kubectl apply -f -
apiVersion: cert-manager.io/v1
kind: ClusterIssuer
metadata:
name: selfsigned-issuer
spec:
selfSigned: {}
YML
kubectl get clusterissuer
Playground
helm install -n cert-manager cert-manager jetstack/cert-manager --version v1.14.7
helm upgrade -n cert-manager -i cert-manager jetstack/cert-manager --version v1.15.1
helm show values jetstack/cert-manager --version v1.15.1|less
|
|
export CERT_POD_NAME=$(kubectl -n cert-manager get pod -l 'app.kubernetes.io/name=cert-manager' -o json|jq -r '.items[0].metadata.name')
export CA_POD_NAME=$(kubectl -n cert-manager get pod -l 'app.kubernetes.io/name=cainjector' -o json|jq -r '.items[0].metadata.name')
export HOOK_POD_NAME=$(kubectl -n cert-manager get pod -l 'app.kubernetes.io/name=webhook' -o json|jq -r '.items[0].metadata.name')
kubectl exec -n cert-manager -it svc/cert-manager-webhook -c cert-manager-webhook -- bash
kubectl exec -n cert-manager -it svc/cert-manager -c cert-manager-controller -- bash
kubectl exec -n cert-manager -it svc/cert-manager -c init -- bash
kubectl -n cert-manager exec -it ${CERT_POD_NAME} -- bash
|
|
kubectl config --kubeconfig=${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 delete all --all -n cert-manager
kubectl delete ing --all -n cert-manager
kubectl delete sts --all -n cert-manager
|
kubectl delete svc --all -n cert-manager
kubectl delete pvc --all -n cert-manager
kubectl delete pv --all -n cert-manager
|
|
kubectl rollout -n cert-manager history deploy cert-manager
kubectl rollout -n cert-manager restart deploy cert-manager
kubectl rollout -n cert-manager status deploy cert-manager
|
kubectl logs -n cert-manager -f ${CERT_POD_NAME}
kubectl logs -n cert-manager -f ${HOOK_POD_NAME}
kubectl logs -n cert-manager -f ${CA_POD_NAME}
|
References