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Install and configure OpenShift GitOps

• Red Hat OpenShift GitOps uses Argo CD, an open-source declarative tool, to maintain and reconcile cluster resources.

1. Install the OpenShift GitOps Operator and create a ClusterRole and ClusterRoleBinding.

   oc apply -f setup/
   while ! oc wait crd applications.argoproj.io --timeout=-1s --for=condition=Established  2>/dev/null; do sleep 30; done
   while ! oc wait pod --timeout=-1s --for=condition=Ready -l '!job-name' -n openshift-gitops > /dev/null; do sleep 30; done

2. Create a custom ArgoCD instance with custom checks

   oc apply -k argocd-instance

   Note: We use a custom openshift-gitops-repo-server image to enable the use of Plugins within OpenShift Gitops. This is required to allow RHACM to utilise the Policy Generator plugin. The Dockerfile can be found here: https://github.com/one-touch-provisioning/otp-custom-argocd-repo-server.

3. If using IBM Cloud ROKS as a Hub Cluster, configure TLS.

   scripts/patch-argocd-tls.sh

4. Create a console link

   export ROUTE_NAME=openshift-gitops-cntk-server
   export ROUTE_NAMESPACE=openshift-gitops
   export CONSOLE_LINK_URL="https://$(oc get route $ROUTE_NAME -o=jsonpath='{.spec.host}' -n $ROUTE_NAMESPACE)"
   envsubst < <(cat setup/4_consolelink.yaml.envsubst) | oc apply -f -

5. Retrieve admin login details

   echo $(oc get route -n openshift-gitops openshift-gitops-cntk-server -o template --template='https://{{.spec.host}}')
   
   # Passsword is not needed if Log In via OpenShift is used (default)
   oc extract secrets/openshift-gitops-cntk-cluster --keys=admin.password -n openshift-gitops --to=-