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Merge pull request #11018 from mbforbes/gceCleanupTemplate

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Robustly cleanup MIG template on GCE teardown
This commit is contained in:
Rohit Jnagal 2015-07-10 16:51:13 -07:00
commit 56c781f4ce
1 changed files with 23 additions and 3 deletions
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26
cluster/gce/util.sh
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@ -769,6 +769,11 @@ function kube-down {
echo "Bringing down cluster"
set +e # Do not stop on error
# Get the name of the managed instance group template before we delete the
# managed instange group. (The name of the managed instnace group template may
# change during a cluster upgrade.)
local template=$(get-template "${PROJECT}" "${ZONE}" "${NODE_INSTANCE_PREFIX}-group")
# The gcloud APIs don't return machine parseable error codes/retry information. Therefore the best we can
# do is parse the output and special case particular responses we are interested in.
if gcloud preview managed-instance-groups --project "${PROJECT}" --zone "${ZONE}" describe "${NODE_INSTANCE_PREFIX}-group" &>/dev/null; then
@ -792,11 +797,11 @@ function kube-down {
fi
fi
if gcloud compute instance-templates describe --project "${PROJECT}" "${NODE_INSTANCE_PREFIX}-template" &>/dev/null; then
if gcloud compute instance-templates describe --project "${PROJECT}" "${template}" &>/dev/null; then
gcloud compute instance-templates delete \
--project "${PROJECT}" \
--quiet \
"${NODE_INSTANCE_PREFIX}-template"
"${template}"
fi
# First delete the master (if it exists).
@ -886,6 +891,22 @@ function kube-down {
set -e
}
# Gets the instance template for the managed instance group with the provided
# project, zone, and group name. It echos the template name so that the function
# output can be used.
#
# $1: project
# $2: zone
# $3: managed instance group name
function get-template {
# url is set to https://www.googleapis.com/compute/v1/projects/$1/global/instanceTemplates/<template>
local url=$(gcloud preview managed-instance-groups --project="${1}" --zone="${2}" describe "${3}" | grep instanceTemplate)
# template is set to <template> (the pattern strips off all but last slash)
local template="${url##*/}"
echo "${template}"
}
# Checks if there are any present resources related kubernetes cluster.
#
# Assumed vars:
@ -894,7 +915,6 @@ function kube-down {
# ZONE
# Vars set:
# KUBE_RESOURCE_FOUND
function check-resources {
detect-project