cluster: enable debug handlers on GCE master nodes

This is needed for testing metrics support via the secure port
of kube-scheduler and kube-controller-manager. To access that
port, port-forwarding is used.
This commit is contained in:
Patrick Ohly 2021-05-20 13:28:22 +02:00
parent f298a658ae
commit c91496dda0
2 changed files with 6 additions and 2 deletions

View File

@ -236,6 +236,10 @@ TEST_CLUSTER_RESYNC_PERIOD=${TEST_CLUSTER_RESYNC_PERIOD:---min-resync-period=3m}
# ContentType used by all components to communicate with apiserver.
TEST_CLUSTER_API_CONTENT_TYPE=${TEST_CLUSTER_API_CONTENT_TYPE:-}
# Enable debug handlers (port forwarding, exec, container logs, etc.).
KUBELET_ENABLE_DEBUGGING_HANDLERS=${KUBELET_ENABLE_DEBUGGING_HANDLERS:-true}
MASTER_KUBELET_ENABLE_DEBUGGING_HANDLERS=${MASTER_KUBELET_ENABLE_DEBUGGING_HANDLERS:-${KUBELET_ENABLE_DEBUGGING_HANDLERS}}
KUBELET_TEST_ARGS="${KUBELET_TEST_ARGS:-} --serialize-image-pulls=false ${TEST_CLUSTER_API_CONTENT_TYPE}"
if [[ "${NODE_OS_DISTRIBUTION}" = 'gci' ]] || [[ "${NODE_OS_DISTRIBUTION}" = 'ubuntu' ]] || [[ "${NODE_OS_DISTRIBUTION}" = 'custom' ]]; then
NODE_KUBELET_TEST_ARGS="${NODE_KUBELET_TEST_ARGS:-} --kernel-memcg-notification=true"

View File

@ -1025,7 +1025,7 @@ EOF
# cat the Kubelet config yaml for masters
function print-master-kubelet-config {
cat <<EOF
enableDebuggingHandlers: false
enableDebuggingHandlers: ${MASTER_KUBELET_ENABLE_DEBUGGING_HANDLERS:-false}
hairpinMode: none
staticPodPath: /etc/kubernetes/manifests
authentication:
@ -1049,7 +1049,7 @@ EOF
# cat the Kubelet config yaml in common between linux nodes and windows nodes
function print-common-node-kubelet-config {
cat <<EOF
enableDebuggingHandlers: true
enableDebuggingHandlers: ${KUBELET_ENABLE_DEBUGGING_HANDLERS:-true}
EOF
if [[ "${HAIRPIN_MODE:-}" == "promiscuous-bridge" ]] || \
[[ "${HAIRPIN_MODE:-}" == "hairpin-veth" ]] || \