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Fix subnet cleanup logic when using IP-aliases with custom subnets

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This commit is contained in:
Shyam Jeedigunta 2018-04-11 15:44:28 +02:00
parent 99e77a76be
commit be2e5e65d3
1 changed files with 26 additions and 23 deletions
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13
cluster/gce/util.sh
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@ -1817,8 +1817,7 @@ function delete-network() {
}
function delete-subnetworks() {
if [[ ${ENABLE_IP_ALIASES:-} != "true" ]]; then
# If running in custom mode network we need to delete subnets
# If running in custom mode network we need to delete subnets manually.
mode="$(check-network-mode)"
if [[ "${mode}" == "CUSTOM" ]]; then
if [[ "${ENABLE_BIG_CLUSTER_SUBNETS}" = "true" ]]; then
@ -1831,12 +1830,15 @@ function delete-subnetworks() {
echo "Deleting custom subnet..."
gcloud --quiet compute networks subnets delete "${SUBNETWORK}" --project "${NETWORK_PROJECT}" --region="${REGION}" || true
fi
fi
return
fi
# Only delete automatically created subnets.
if [[ ${IP_ALIAS_SUBNETWORK} == ${INSTANCE_PREFIX}-subnet-default ]]; then
# If we reached here, it means we're not using custom network.
# So the only thing we need to check is if IP-aliases was turned
# on and we created a subnet for it. If so, we should delete it.
if [[ ${ENABLE_IP_ALIASES:-} == "true" ]]; then
# Only delete the subnet if we created it (i.e it's not pre-existing).
if [[ -z "${KUBE_GCE_IP_ALIAS_SUBNETWORK:-}" ]]; then
echo "Removing auto-created subnet ${NETWORK}:${IP_ALIAS_SUBNETWORK}"
if [[ -n $(gcloud beta compute networks subnets describe \
--project "${NETWORK_PROJECT}" \
@ -1848,6 +1850,7 @@ function delete-subnetworks() {
${IP_ALIAS_SUBNETWORK}
fi
fi
fi
}
# Generates SSL certificates for etcd cluster. Uses cfssl program.