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Diffstat (limited to 'roles/openshift_gcp/templates/remove.j2.sh')
| -rw-r--r-- | roles/openshift_gcp/templates/remove.j2.sh | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/roles/openshift_gcp/templates/remove.j2.sh b/roles/openshift_gcp/templates/remove.j2.sh new file mode 100644 index 000000000..41ceab2b5 --- /dev/null +++ b/roles/openshift_gcp/templates/remove.j2.sh @@ -0,0 +1,156 @@ +#!/bin/bash + +set -euo pipefail + +function teardown_cmd() { + a=( $@ ) + local name=$1 + a=( "${a[@]:1}" ) + local flag=0 + local found= + for i in ${a[@]}; do + if [[ "$i" == "--"* ]]; then + found=true + break + fi + flag=$((flag+1)) + done + if [[ -z "${found}" ]]; then + flag=$((flag+1)) + fi + if gcloud --project "{{ gce_project_id }}" ${a[@]::$flag} describe "${name}" ${a[@]:$flag} &>/dev/null; then + gcloud --project "{{ gce_project_id }}" ${a[@]::$flag} delete -q "${name}" ${a[@]:$flag} + fi +} + +function teardown() { + for i in `seq 1 20`; do + if teardown_cmd $@; then + break + fi + sleep 0.5 + done +} + +# Preemptively spin down the instances +{% for node_group in provision_gce_node_groups %} +# scale down {{ node_group.name }} +( + # performs a delete and scale down as one operation to ensure maximum parallelism + if ! instances=$( gcloud --project "{{ gce_project_id }}" compute instance-groups managed list-instances "{{ provision_prefix }}ig-{{ node_group.suffix }}" --zone "{{ gce_zone_name }}" --format='value[terminator=","](instance)' ); then + exit 0 + fi + instances="${instances%?}" + if [[ -z "${instances}" ]]; then + echo "warning: No instances in {{ node_group.name }}" 1>&2 + exit 0 + fi + if ! gcloud --project "{{ gce_project_id }}" compute instance-groups managed delete-instances "{{ provision_prefix }}ig-{{ node_group.suffix }}" --zone "{{ gce_zone_name }}" --instances "${instances}"; then + echo "warning: Unable to scale down the node group {{ node_group.name }}" 1>&2 + exit 0 + fi +) & +{% endfor %} + +# Bucket for registry +( +if gsutil ls -p "{{ gce_project_id }}" "gs://{{ openshift_hosted_registry_storage_gcs_bucket }}" &>/dev/null; then + gsutil -m rm -r "gs://{{ openshift_hosted_registry_storage_gcs_bucket }}" +fi +) & + +# DNS +( +dns_zone="{{ dns_managed_zone | default(provision_prefix + 'managed-zone') }}" +if gcloud --project "{{ gce_project_id }}" dns managed-zones describe "${dns_zone}" &>/dev/null; then + # Retry DNS changes until they succeed since this may be a shared resource + while true; do + dns="${TMPDIR:-/tmp}/dns.yaml" + rm -f "${dns}" + + # export all dns records that match into a zone format, and turn each line into a set of args for + # record-sets transaction. + gcloud dns record-sets export --project "{{ gce_project_id }}" -z "${dns_zone}" --zone-file-format "${dns}" + if grep -F -e '{{ openshift_master_cluster_hostname }}' -e '{{ openshift_master_cluster_public_hostname }}' -e '{{ wildcard_zone }}' "${dns}" | \ + awk '{ print "--name", $1, "--ttl", $2, "--type", $4, $5; }' > "${dns}.input" + then + rm -f "${dns}" + gcloud --project "{{ gce_project_id }}" dns record-sets transaction --transaction-file=$dns start -z "${dns_zone}" + cat "${dns}.input" | xargs -L1 gcloud --project "{{ gce_project_id }}" dns record-sets transaction --transaction-file="${dns}" remove -z "${dns_zone}" + + # Commit all DNS changes, retrying if preconditions are not met + if ! out="$( gcloud --project "{{ gce_project_id }}" dns record-sets transaction --transaction-file=$dns execute -z "${dns_zone}" 2>&1 )"; then + rc=$? + if [[ "${out}" == *"HTTPError 412: Precondition not met"* ]]; then + continue + fi + exit $rc + fi + fi + rm "${dns}.input" + break + done +fi +) & + +( +# Router network rules +teardown "{{ provision_prefix }}router-network-lb-rule" compute forwarding-rules --region "{{ gce_region_name }}" +teardown "{{ provision_prefix }}router-network-lb-pool" compute target-pools --region "{{ gce_region_name }}" +teardown "{{ provision_prefix }}router-network-lb-health-check" compute http-health-checks +teardown "{{ provision_prefix }}router-network-lb-ip" compute addresses --region "{{ gce_region_name }}" + +# Internal master network rules +teardown "{{ provision_prefix }}master-network-lb-rule" compute forwarding-rules --region "{{ gce_region_name }}" +teardown "{{ provision_prefix }}master-network-lb-pool" compute target-pools --region "{{ gce_region_name }}" +teardown "{{ provision_prefix }}master-network-lb-health-check" compute http-health-checks +teardown "{{ provision_prefix }}master-network-lb-ip" compute addresses --region "{{ gce_region_name }}" +) & + +( +# Master SSL network rules +teardown "{{ provision_prefix }}master-ssl-lb-rule" compute forwarding-rules --global +teardown "{{ provision_prefix }}master-ssl-lb-target" compute target-tcp-proxies +teardown "{{ provision_prefix }}master-ssl-lb-ip" compute addresses --global +teardown "{{ provision_prefix }}master-ssl-lb-backend" compute backend-services --global +teardown "{{ provision_prefix }}master-ssl-lb-health-check" compute health-checks +) & + +#Firewall rules +#['name']='parameters for "gcloud compute firewall-rules create"' +#For all possible parameters see: gcloud compute firewall-rules create --help +declare -A FW_RULES=( + ['icmp']="" + ['ssh-external']="" + ['ssh-internal']="" + ['master-internal']="" + ['master-external']="" + ['node-internal']="" + ['infra-node-internal']="" + ['infra-node-external']="" +) +for rule in "${!FW_RULES[@]}"; do + ( if gcloud --project "{{ gce_project_id }}" compute firewall-rules describe "{{ provision_prefix }}$rule" &>/dev/null; then + # retry a few times because this call can be flaky + for i in `seq 1 3`; do + if gcloud -q --project "{{ gce_project_id }}" compute firewall-rules delete "{{ provision_prefix }}$rule"; then + break + fi + done + fi ) & +done + +for i in `jobs -p`; do wait $i; done + +{% for node_group in provision_gce_node_groups %} +# teardown {{ node_group.name }} - any load balancers referencing these groups must be removed +( + teardown "{{ provision_prefix }}ig-{{ node_group.suffix }}" compute instance-groups managed --zone "{{ gce_zone_name }}" + teardown "{{ provision_prefix }}instance-template-{{ node_group.name }}" compute instance-templates +) & +{% endfor %} + +for i in `jobs -p`; do wait $i; done + +# Network +teardown "{{ gce_network_name }}" compute networks |