[cloud-provider-azure] Support specifying CCM cluster CIDR

Signed-off-by: Zhecheng Li <[email protected]>

scripts/ci-entrypoint.sh

@@ -212,6 +212,18 @@ if [[ -n "${TEST_CCM:-}" ]]; then
     fi
 
     export CCM_LOG_VERBOSITY="${CCM_LOG_VERBOSITY:-4}"
+    # Get CCM cluster CIDRs from cluster config template if not set
+    if [[ -z "${CCM_CLUSTER_CIDR:-}" ]]; then
+        curl -LO https://github.com/mikefarah/yq/releases/download/v4.30.3/yq_linux_amd64 && chmod +x yq_linux_amd64
+        while read -r CCM_CIDR; do
+            if [[ "${CCM_CLUSTER_CIDR:-}" == "" ]]; then
+                CCM_CLUSTER_CIDR="${CCM_CIDR}"
+            else
+                CCM_CLUSTER_CIDR="${CCM_CLUSTER_CIDR:-}\,${CCM_CIDR}"
+            fi
+        done <<< "$(./yq_linux_amd64 '.spec.clusterNetwork.pods.cidrBlocks' "${CLUSTER_TEMPLATE}" --no-doc|grep -v null | awk '{print $2}')"
+    fi
+    echo "CCM cluster CIDR: ${CCM_CLUSTER_CIDR:-}"
     echo "Installing cloud-provider-azure components via helm"
     "${HELM}" install --repo https://raw.githubusercontent.com/kubernetes-sigs/cloud-provider-azure/master/helm/repo cloud-provider-azure --generate-name \
         --set infra.clusterName="${CLUSTER_NAME}" \
@@ -225,7 +237,8 @@ if [[ -n "${TEST_CCM:-}" ]]; then
         --set cloudControllerManager.enableDynamicReloading="${ENABLE_DYNAMIC_RELOADING}" \
         --set cloudControllerManager.cloudConfig="${CLOUD_CONFIG}" \
         --set cloudControllerManager.cloudConfigSecretName="${CONFIG_SECRET_NAME}" \
-        --set cloudControllerManager.logVerbosity="${CCM_LOG_VERBOSITY}"
+        --set cloudControllerManager.logVerbosity="${CCM_LOG_VERBOSITY}" \
+        --set-string cloudControllerManager.clusterCIDR="${CCM_CLUSTER_CIDR}"
 
     echo "Waiting for all kube-system pods to be ready"
     "${KUBECTL}" wait --for=condition=Ready pod -n kube-system --all --timeout=10m