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https://github.com/k3s-io/kubernetes.git
synced 2025-07-23 19:56:01 +00:00
1. Precompute REGION variable in config
2. Add timeout for waiting for loadbalancer 3. Fix kube-down so that it doesn't delete some resources if there are still masters/nodes in other zones
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@ -21,6 +21,7 @@ source "${KUBE_ROOT}/cluster/gce/config-common.sh"
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GCLOUD=gcloud
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ZONE=${KUBE_GCE_ZONE:-us-central1-b}
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REGION=${ZONE%-*}
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RELEASE_REGION_FALLBACK=${RELEASE_REGION_FALLBACK:-false}
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REGIONAL_KUBE_ADDONS=${REGIONAL_KUBE_ADDONS:-true}
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NODE_SIZE=${NODE_SIZE:-n1-standard-2}
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@ -21,6 +21,7 @@ source "${KUBE_ROOT}/cluster/gce/config-common.sh"
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GCLOUD=gcloud
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ZONE=${KUBE_GCE_ZONE:-us-central1-b}
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REGION=${ZONE%-*}
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RELEASE_REGION_FALLBACK=${RELEASE_REGION_FALLBACK:-false}
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REGIONAL_KUBE_ADDONS=${REGIONAL_KUBE_ADDONS:-true}
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NODE_SIZE=${NODE_SIZE:-n1-standard-2}
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@ -379,6 +379,7 @@ function detect-nodes () {
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# Assumed vars:
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# MASTER_NAME
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# ZONE
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# REGION
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# Vars set:
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# KUBE_MASTER
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# KUBE_MASTER_IP
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@ -386,7 +387,6 @@ function detect-master () {
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detect-project
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KUBE_MASTER=${MASTER_NAME}
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if [[ -z "${KUBE_MASTER_IP-}" ]]; then
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local REGION=${ZONE%-*}
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KUBE_MASTER_IP=$(gcloud compute addresses describe "${MASTER_NAME}-ip" \
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--project "${PROJECT}" --region "${REGION}" -q --format='value(address)')
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fi
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@ -727,10 +727,7 @@ function create-master() {
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KUBE_PROXY_TOKEN=$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64 | tr -d "=+/" | dd bs=32 count=1 2>/dev/null)
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# Reserve the master's IP so that it can later be transferred to another VM
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# without disrupting the kubelets. IPs are associated with regions, not zones,
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# so extract the region name, which is the same as the zone but with the final
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# dash and characters trailing the dash removed.
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local REGION=${ZONE%-*}
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# without disrupting the kubelets.
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create-static-ip "${MASTER_NAME}-ip" "${REGION}"
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MASTER_RESERVED_IP=$(gcloud compute addresses describe "${MASTER_NAME}-ip" \
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--project "${PROJECT}" --region "${REGION}" -q --format='value(address)')
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@ -778,9 +775,9 @@ function attach-external-ip() {
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# PROJECT
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# MASTER_NAME
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# ZONE
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# REGION
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function create-loadbalancer() {
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detect-master
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local REGION=${ZONE%-*}
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# Step 0: Return early if LB is already configured.
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if gcloud compute forwarding-rules describe ${MASTER_NAME} \
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@ -807,7 +804,16 @@ function create-loadbalancer() {
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--target-pool ${MASTER_NAME} --address=${KUBE_MASTER_IP} --ports=443
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echo -n "Waiting for the load balancer configuration to propagate..."
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until $(curl -k -m1 https://${KUBE_MASTER_IP} > /dev/null 2>&1); do echo -n .; done
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local counter=0
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until $(curl -k -m1 https://${KUBE_MASTER_IP} &> /dev/null); do
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counter=$((counter+1))
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echo -n .
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if [[ ${counter} -ge 1800 ]]; then
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echo -e "${color_red}TIMEOUT${color_norm}" >&2
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echo -e "${color_red}Load balancer failed to initialize within ${counter} seconds.${color_norm}" >&2
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exit 2
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fi
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done
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echo "DONE"
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}
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@ -1109,10 +1115,8 @@ function kube-down {
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# In the replicated scenario, if there's only a single master left, we should also delete load balancer in front of it.
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if [[ "${REMAINING_MASTER_COUNT}" == "1" ]]; then
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local REGION=${ZONE%-*}
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if gcloud compute forwarding-rules describe "${MASTER_NAME}" --region "${REGION}" --project "${PROJECT}" &>/dev/null; then
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detect-master
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local REGION=${ZONE%-*}
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local EXISTING_MASTER_ZONE=$(gcloud compute instances list "${MASTER_NAME}" \
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--project "${PROJECT}" --format="value(zone)")
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gcloud compute forwarding-rules delete \
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@ -1146,6 +1150,13 @@ function kube-down {
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--quiet \
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"${MASTER_NAME}-ip"
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fi
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# Delete firewall rule for minions.
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if gcloud compute firewall-rules describe --project "${PROJECT}" "${NODE_TAG}-all" &>/dev/null; then
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gcloud compute firewall-rules delete \
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--project "${PROJECT}" \
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--quiet \
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"${NODE_TAG}-all"
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fi
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fi
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# Find out what minions are running.
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@ -1166,14 +1177,6 @@ function kube-down {
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minions=( "${minions[@]:${batch}}" )
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done
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# Delete firewall rule for minions.
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if gcloud compute firewall-rules describe --project "${PROJECT}" "${NODE_TAG}-all" &>/dev/null; then
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gcloud compute firewall-rules delete \
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--project "${PROJECT}" \
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--quiet \
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"${NODE_TAG}-all"
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fi
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# Delete routes.
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local -a routes
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# Clean up all routes w/ names like "<cluster-name>-<node-GUID>"
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@ -1203,8 +1206,11 @@ function kube-down {
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"${INSTANCE_PREFIX}"-influxdb-pd
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fi
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export CONTEXT="${PROJECT}_${INSTANCE_PREFIX}"
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clear-kubeconfig
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# If there are no more remaining master replicas, we should update kubeconfig.
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if [[ "${REMAINING_MASTER_COUNT}" == "0" ]]; then
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export CONTEXT="${PROJECT}_${INSTANCE_PREFIX}"
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clear-kubeconfig
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fi
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set -e
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}
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@ -1225,6 +1231,7 @@ function get-template {
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# MASTER_NAME
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# NODE_INSTANCE_PREFIX
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# ZONE
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# REGION
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# Vars set:
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# KUBE_RESOURCE_FOUND
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function check-resources {
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@ -1293,7 +1300,6 @@ function check-resources {
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return 1
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fi
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local REGION=${ZONE%-*}
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if gcloud compute addresses describe --project "${PROJECT}" "${MASTER_NAME}-ip" --region "${REGION}" &>/dev/null; then
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KUBE_RESOURCE_FOUND="Master's reserved IP"
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return 1
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