hyper-acm-uninstall.sh

#!/bin/bash

source ./helpers.sh

check_dependency

if [ "$#" -lt 1 ]; then
  uninstall_usage
  exit 0
fi

while getopts "c:n:" arg; do
  case $arg in
    c)
      CLUSTER_NAME="${OPTARG}"
      ;;
    n)
      CLUSTER_NAMESPACE="${OPTARG}"
      ;;
    :)
      usage
      exit 0
      ;;
    *)
      uninstall_usage
      exit 0
      ;;
  esac
done

comment "info" "1. Validating management cluster status"

oc config view --minify=true --raw=true > hub.kubeconfig
export KUBECONFIG=./hub.kubeconfig
oc cluster-info
if [ $? -ne 0 ]; then
    comment "error" "Failed to access the management cluster."
    exit 1
fi

HOSTED_CLUSTER="${CLUSTER_NAMESPACE}-${CLUSTER_NAME}"
comment "info" "2. Validating hosted cluster status in the hosted cluster namespace: ${HOSTED_CLUSTER}"

HOSTED_CLUSTER_KUBECONFIG=`oc get hostedcluster -n ${CLUSTER_NAMESPACE} ${CLUSTER_NAME} -o jsonpath={.status.kubeconfig.name}`
oc get secret -n ${CLUSTER_NAMESPACE} ${HOSTED_CLUSTER_KUBECONFIG} -o jsonpath={.data.kubeconfig} | base64 -d > ${HOSTED_CLUSTER_KUBECONFIG}.kubeconfig

export KUBECONFIG=${HOSTED_CLUSTER_KUBECONFIG}.kubeconfig
oc cluster-info
if [ $? -ne 0 ]; then
    comment "error" "Failed to access the hosted cluster."
    exit 1
fi

comment "info" "3. Uninstalling ACM App component"

export KUBECONFIG=./hub.kubeconfig
oc delete deployments -n ${HOSTED_CLUSTER} multicluster-operators-channel multicluster-operators-hub-subscription multicluster-operators-application multicluster-operators-subscription-report konnectivity-agent-webhook --ignore-not-found

oc delete services -n ${HOSTED_CLUSTER} channels-apps-open-cluster-management-webhook-svc --ignore-not-found

export KUBECONFIG=${HOSTED_CLUSTER_KUBECONFIG}.kubeconfig

oc delete endpoints -n ${HOSTED_CLUSTER} channels-apps-open-cluster-management-webhook-svc --ignore-not-found

oc delete services -n ${HOSTED_CLUSTER} channels-apps-open-cluster-management-webhook-svc --ignore-not-found


comment "info" "4. Uninstalling ACM Policy component"

export KUBECONFIG=./hub.kubeconfig

oc delete deployments -n ${HOSTED_CLUSTER} governance-policy-propagator --ignore-not-found 
oc delete deployments -n ${HOSTED_CLUSTER} policy-addon-ctrl-controller-manager -n ${HOSTED_CLUSTER} --ignore-not-found 


comment "info" "5. Uninstalling ACM Observability component"




comment "info" "6. Uninstalling ACM foundation component"


comment "info" "6.1 Delete the hosted cluster namespace from the hosted cluster"

export KUBECONFIG=${HOSTED_CLUSTER_KUBECONFIG}.kubeconfig

oc delete namespace ${HOSTED_CLUSTER}


comment "info" "6.2 Delete foundation components from the management cluster"

export KUBECONFIG=./hub.kubeconfig
oc delete deployments -n ${HOSTED_CLUSTER} managedcluster-import-controller hub-registration-controller clustermanager-placement-controller