Set up KUBE_PROXY_DAEMONSET env for GCE and common.sh.

cluster/common.sh

@@ -638,6 +638,7 @@ DNS_SERVER_IP: $(yaml-quote ${DNS_SERVER_IP:-})
 DNS_DOMAIN: $(yaml-quote ${DNS_DOMAIN:-})
 ENABLE_DNS_HORIZONTAL_AUTOSCALER: $(yaml-quote ${ENABLE_DNS_HORIZONTAL_AUTOSCALER:-false})
 KUBELET_TOKEN: $(yaml-quote ${KUBELET_TOKEN:-})
+KUBE_PROXY_DAEMONSET: $(yaml-quote ${KUBE_PROXY_DAEMONSET:-false})
 KUBE_PROXY_TOKEN: $(yaml-quote ${KUBE_PROXY_TOKEN:-})
 NODE_PROBLEM_DETECTOR_TOKEN: $(yaml-quote ${NODE_PROBLEM_DETECTOR_TOKEN:-})
 ADMISSION_CONTROL: $(yaml-quote ${ADMISSION_CONTROL:-})

cluster/gce/config-default.sh

@@ -297,3 +297,7 @@ PROVIDER_VARS="${PROVIDER_VARS:-} FLUENTD_GCP_MEMORY_LIMIT FLUENTD_GCP_CPU_REQUE
 PROMETHEUS_TO_SD_ENDPOINT="${PROMETHEUS_TO_SD_ENDPOINT:-https://monitoring.googleapis.com/}"
 PROMETHEUS_TO_SD_PREFIX="${PROMETHEUS_TO_SD_PREFIX:-custom.googleapis.com}"
 ENABLE_PROMETHEUS_TO_SD="${ENABLE_PROMETHEUS_TO_SD:-false}"
+
+# TODO(#51292): Make kube-proxy Daemonset default and remove the configuration here.
+# Optional: Run kube-proxy as a DaemonSet if set to true, run as static pods otherwise.
+KUBE_PROXY_DAEMONSET="${KUBE_PROXY_DAEMONSET:-false}" # true, false

cluster/gce/config-test.sh

@@ -356,3 +356,7 @@ PROVIDER_VARS="${PROVIDER_VARS:-} FLUENTD_GCP_MEMORY_LIMIT FLUENTD_GCP_CPU_REQUE
 PROMETHEUS_TO_SD_ENDPOINT="${PROMETHEUS_TO_SD_ENDPOINT:-https://monitoring.googleapis.com/}"
 PROMETHEUS_TO_SD_PREFIX="${PROMETHEUS_TO_SD_PREFIX:-custom.googleapis.com}"
 ENABLE_PROMETHEUS_TO_SD="${ENABLE_PROMETHEUS_TO_SD:-true}"
+
+# TODO(#51292): Make kube-proxy Daemonset default and remove the configuration here.
+# Optional: Run kube-proxy as a DaemonSet if set to true, run as static pods otherwise.
+KUBE_PROXY_DAEMONSET="${KUBE_PROXY_DAEMONSET:-false}" # true, false

cluster/gce/configure-vm.sh

@@ -448,6 +448,7 @@ initial_etcd_cluster_state: '$(echo "${INITIAL_ETCD_CLUSTER_STATE:-}" | sed -e "
 ca_cert_bundle_path: '$(echo "${CA_CERT_BUNDLE_PATH:-}" | sed -e "s/'/''/g")'
 hostname: $(hostname -s)
 enable_default_storage_class: '$(echo "$ENABLE_DEFAULT_STORAGE_CLASS" | sed -e "s/'/''/g")'
+kube_proxy_daemonset: '$(echo "$KUBE_PROXY_DAEMONSET" | sed -e "s/'/''/g")'
 EOF
     if [ -n "${STORAGE_BACKEND:-}" ]; then
       cat <<EOF >>/srv/salt-overlay/pillar/cluster-params.sls