Install cert-manager

Install cert-manager to use with certificate management tools in your Kubernetes and OpenShift environments.

1. In your management cluster, install cert-manager. For more information about installation options and versions, see the cert-manager documentaton.

   • kubectl installation:

     kubectl apply --context $MGMT_CONTEXT -f https://github.com/jetstack/cert-manager/releases/download/v1.5.4/cert-manager.yaml
     

   • Helm installation:

     helm repo add jetstack https://charts.jetstack.io
     helm repo update
     helm install \
       cert-manager jetstack/cert-manager \
       --namespace cert-manager \
       --create-namespace \
       --version v1.5.4 \
       --set installCRDs=true
     

2. Verify that cert-manager was successfully installed.

   kubectl get po -n cert-manager --context $MGMT_CONTEXT
   

   Example output:

   NAME                                       READY   STATUS    RESTARTS   AGE
   cert-manager-7c6f78c46d-247br              1/1     Running   0          17s
   cert-manager-cainjector-668d9c86df-7cqb8   1/1     Running   0          17s
   cert-manager-webhook-764b556954-2m4zf      1/1     Running   0          17s