Installing the cert-manager operator for Red Hat OpenShift

Installing the cert-manager operator for Red Hat OpenShift by using the OpenShift console

1. Log in to the OpenShift Container Platform console.
2. Navigate to Operators > OperatorHub.
3. Enter cert-manager Operator for Red Hat OpenShift into the filter box.
4. Select the cert-manager Operator for Red Hat OpenShift.
5. Select the cert-manager Operator for Red Hat OpenShift version from Version drop-down list, and click Install.
6. On the Install Operator page:
   1. Update the Update channel, if necessary. The channel defaults to stable-v1, which installs the latest stable release of the cert-manager Operator for Red Hat OpenShift.
   2. Choose the Installed Namespace for the Operator. The default Operator namespace is cert-manager-operator. If the cert-manager-operator namespace does not exist, it is created for you.
   3. Select an Update approval strategy.
      • Recommended: The Automatic strategy allows Operator Lifecycle Manager (OLM) to automatically update the Operator when a new version is available.
      • The Manual strategy requires a user with appropriate credentials to approve the Operator update.
7. Click Install.

Installing the cert-manager operator for Red Hat OpenShift by using the CLI

1. Log in to the cluster by using the oc login command.

2. Create a new project named cert-manager-operator by running the following command:

   oc new-project cert-manager-operator
   

3. Create a YAML file named certmanagerOperatorGroup.yaml with the following definition:

   apiVersion: operators.coreos.com/v1
   kind: OperatorGroup
   metadata:
       name: openshift-cert-manager-operator
       namespace: cert-manager-operator
   spec:
       targetNamespaces:
       - "cert-manager-operator"
   

4. Create the OperatorGroup object by running the following command:

   oc create -f certmanagerOperatorGroup.yaml
   

5. Create a YAML file named certmanagerSubscription.yaml with the following definition:

   apiVersion: operators.coreos.com/v1alpha1
   kind: Subscription
   metadata:
       name: openshift-cert-manager-operator
       namespace: cert-manager-operator
   spec:
       channel: stable-v1
       name: openshift-cert-manager-operator
       source: redhat-operators
       sourceNamespace: openshift-marketplace
       installPlanApproval: Automatic
       startingCSV: cert-manager-operator.v1.13.0
   

6. Create the OperatorGroup object by running the following command:

   oc create -f certmanagerSubscription.yaml
   

Related links

Related topic:

• Installing the IBM RPA operator in an online environment

External links:

• Installing the cert-manager Operator for Red Hat OpenShift