diff options
Diffstat (limited to 'roles/openshift_gcp')
| -rw-r--r-- | roles/openshift_gcp/tasks/main.yaml | 43 | ||||
| -rw-r--r-- | roles/openshift_gcp/templates/dns.j2.sh | 13 | ||||
| -rw-r--r-- | roles/openshift_gcp/templates/provision.j2.sh | 318 | ||||
| -rw-r--r-- | roles/openshift_gcp/templates/remove.j2.sh | 156 |
4 files changed, 530 insertions, 0 deletions
diff --git a/roles/openshift_gcp/tasks/main.yaml b/roles/openshift_gcp/tasks/main.yaml new file mode 100644 index 000000000..ad205ba33 --- /dev/null +++ b/roles/openshift_gcp/tasks/main.yaml @@ -0,0 +1,43 @@ +# +# This role relies on gcloud invoked via templated bash in order to +# provide a high performance deployment option. The next logical step +# is to transition to a deployment manager template which is then instantiated. +# TODO: use a formal set of role parameters consistent with openshift_aws +# +--- +- name: Templatize DNS script + template: src=dns.j2.sh dest=/tmp/openshift_gcp_provision_dns.sh mode=u+rx +- name: Templatize provision script + template: src=provision.j2.sh dest=/tmp/openshift_gcp_provision.sh mode=u+rx +- name: Templatize de-provision script + template: src=remove.j2.sh dest=/tmp/openshift_gcp_provision_remove.sh mode=u+rx + when: + - state | default('present') == 'absent' + +- name: Provision GCP DNS domain + command: /tmp/openshift_gcp_provision_dns.sh + args: + chdir: "{{ playbook_dir }}/files" + register: dns_provision + when: + - state | default('present') == 'present' + +- name: Ensure that DNS resolves to the hosted zone + assert: + that: + - "lookup('dig', public_hosted_zone, 'qtype=NS', wantlist=True) | sort | join(',') == dns_provision.stdout" + msg: "The DNS domain {{ public_hosted_zone }} defined in 'public_hosted_zone' must have NS records pointing to the Google nameservers: '{{ dns_provision.stdout }}' instead of '{{ lookup('dig', public_hosted_zone, 'qtype=NS') }}'." + when: + - state | default('present') == 'present' + +- name: Provision GCP resources + command: /tmp/openshift_gcp_provision.sh + args: + chdir: "{{ playbook_dir }}/files" + when: + - state | default('present') == 'present' + +- name: De-provision GCP resources + command: /tmp/openshift_gcp_provision_remove.sh + when: + - state | default('present') == 'absent' diff --git a/roles/openshift_gcp/templates/dns.j2.sh b/roles/openshift_gcp/templates/dns.j2.sh new file mode 100644 index 000000000..eacf84b4d --- /dev/null +++ b/roles/openshift_gcp/templates/dns.j2.sh @@ -0,0 +1,13 @@ +#!/bin/bash + +set -euo pipefail + +dns_zone="{{ dns_managed_zone | default(provision_prefix + 'managed-zone') }}" + +# Check the DNS managed zone in Google Cloud DNS, create it if it doesn't exist +if ! gcloud --project "{{ gce_project_id }}" dns managed-zones describe "${dns_zone}" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" dns managed-zones create "${dns_zone}" --dns-name "{{ public_hosted_zone }}" --description "{{ public_hosted_zone }} domain" >/dev/null +fi + +# Always output the expected nameservers as a comma delimited list +gcloud --project "{{ gce_project_id }}" dns managed-zones describe "${dns_zone}" --format='value(nameServers)' | tr ';' ',' diff --git a/roles/openshift_gcp/templates/provision.j2.sh b/roles/openshift_gcp/templates/provision.j2.sh new file mode 100644 index 000000000..e68e9683f --- /dev/null +++ b/roles/openshift_gcp/templates/provision.j2.sh @@ -0,0 +1,318 @@ +#!/bin/bash + +set -euo pipefail + +# Create SSH key for GCE +if [ ! -f "{{ gce_ssh_private_key }}" ]; then + ssh-keygen -t rsa -f "{{ gce_ssh_private_key }}" -C gce-provision-cloud-user -N '' + ssh-add "{{ gce_ssh_private_key }}" || true +fi + +# Check if the ~/.ssh/google_compute_engine.pub key is in the project metadata, and if not, add it there +pub_key=$(cut -d ' ' -f 2 < "{{ gce_ssh_private_key }}.pub") +key_tmp_file='/tmp/ocp-gce-keys' +if ! gcloud --project "{{ gce_project_id }}" compute project-info describe | grep -q "$pub_key"; then + if gcloud --project "{{ gce_project_id }}" compute project-info describe | grep -q ssh-rsa; then + gcloud --project "{{ gce_project_id }}" compute project-info describe | grep ssh-rsa | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' -e 's/value: //' > "$key_tmp_file" + fi + echo -n 'cloud-user:' >> "$key_tmp_file" + cat "{{ gce_ssh_private_key }}.pub" >> "$key_tmp_file" + gcloud --project "{{ gce_project_id }}" compute project-info add-metadata --metadata-from-file "sshKeys=${key_tmp_file}" + rm -f "$key_tmp_file" +fi + +metadata="" +if [[ -n "{{ provision_gce_startup_script_file }}" ]]; then + if [[ ! -f "{{ provision_gce_startup_script_file }}" ]]; then + echo "Startup script file missing at {{ provision_gce_startup_script_file }} from=$(pwd)" + exit 1 + fi + metadata+="--metadata-from-file=startup-script={{ provision_gce_startup_script_file }}" +fi +if [[ -n "{{ provision_gce_user_data_file }}" ]]; then + if [[ ! -f "{{ provision_gce_user_data_file }}" ]]; then + echo "User data file missing at {{ provision_gce_user_data_file }}" + exit 1 + fi + if [[ -n "${metadata}" ]]; then + metadata+="," + else + metadata="--metadata-from-file=" + fi + metadata+="user-data={{ provision_gce_user_data_file }}" +fi + +# Select image or image family +image="{{ provision_gce_registered_image }}" +if ! gcloud --project "{{ gce_project_id }}" compute images describe "${image}" &>/dev/null; then + if ! gcloud --project "{{ gce_project_id }}" compute images describe-from-family "${image}" &>/dev/null; then + echo "No compute image or image-family found, create an image named '{{ provision_gce_registered_image }}' to continue'" + exit 1 + fi + image="family/${image}" +fi + +### PROVISION THE INFRASTRUCTURE ### + +dns_zone="{{ dns_managed_zone | default(provision_prefix + 'managed-zone') }}" + +# Check the DNS managed zone in Google Cloud DNS, create it if it doesn't exist and exit after printing NS servers +if ! gcloud --project "{{ gce_project_id }}" dns managed-zones describe "${dns_zone}" &>/dev/null; then + echo "DNS zone '${dns_zone}' doesn't exist. Must be configured prior to running this script" + exit 1 +fi + +# Create network +if ! gcloud --project "{{ gce_project_id }}" compute networks describe "{{ gce_network_name }}" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute networks create "{{ gce_network_name }}" --mode "auto" +else + echo "Network '{{ gce_network_name }}' already exists" +fi + +# Firewall rules in a form: +# ['name']='parameters for "gcloud compute firewall-rules create"' +# For all possible parameters see: gcloud compute firewall-rules create --help +range="" +if [[ -n "{{ openshift_node_port_range }}" ]]; then + range=",tcp:{{ openshift_node_port_range }},udp:{{ openshift_node_port_range }}" +fi +declare -A FW_RULES=( + ['icmp']='--allow icmp' + ['ssh-external']='--allow tcp:22' + ['ssh-internal']='--allow tcp:22 --source-tags bastion' + ['master-internal']="--allow tcp:2224,tcp:2379,tcp:2380,tcp:4001,udp:4789,udp:5404,udp:5405,tcp:8053,udp:8053,tcp:8444,tcp:10250,tcp:10255,udp:10255,tcp:24224,udp:24224 --source-tags ocp --target-tags ocp-master" + ['master-external']="--allow tcp:80,tcp:443,tcp:1936,tcp:8080,tcp:8443${range} --target-tags ocp-master" + ['node-internal']="--allow udp:4789,tcp:10250,tcp:10255,udp:10255 --source-tags ocp --target-tags ocp-node,ocp-infra-node" + ['infra-node-internal']="--allow tcp:5000 --source-tags ocp --target-tags ocp-infra-node" + ['infra-node-external']="--allow tcp:80,tcp:443,tcp:1936${range} --target-tags ocp-infra-node" +) +for rule in "${!FW_RULES[@]}"; do + ( if ! gcloud --project "{{ gce_project_id }}" compute firewall-rules describe "{{ provision_prefix }}$rule" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute firewall-rules create "{{ provision_prefix }}$rule" --network "{{ gce_network_name }}" ${FW_RULES[$rule]} + else + echo "Firewall rule '{{ provision_prefix }}${rule}' already exists" + fi ) & +done + + +# Master IP +( if ! gcloud --project "{{ gce_project_id }}" compute addresses describe "{{ provision_prefix }}master-ssl-lb-ip" --global &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute addresses create "{{ provision_prefix }}master-ssl-lb-ip" --global +else + echo "IP '{{ provision_prefix }}master-ssl-lb-ip' already exists" +fi ) & + +# Internal master IP +( if ! gcloud --project "{{ gce_project_id }}" compute addresses describe "{{ provision_prefix }}master-network-lb-ip" --region "{{ gce_region_name }}" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute addresses create "{{ provision_prefix }}master-network-lb-ip" --region "{{ gce_region_name }}" +else + echo "IP '{{ provision_prefix }}master-network-lb-ip' already exists" +fi ) & + +# Router IP +( if ! gcloud --project "{{ gce_project_id }}" compute addresses describe "{{ provision_prefix }}router-network-lb-ip" --region "{{ gce_region_name }}" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute addresses create "{{ provision_prefix }}router-network-lb-ip" --region "{{ gce_region_name }}" +else + echo "IP '{{ provision_prefix }}router-network-lb-ip' already exists" +fi ) & + + +{% for node_group in provision_gce_node_groups %} +# configure {{ node_group.name }} +( + if ! gcloud --project "{{ gce_project_id }}" compute instance-templates describe "{{ provision_prefix }}instance-template-{{ node_group.name }}" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute instance-templates create "{{ provision_prefix }}instance-template-{{ node_group.name }}" \ + --machine-type "{{ node_group.machine_type }}" --network "{{ gce_network_name }}" \ + --tags "{{ provision_prefix }}ocp,ocp,{{ node_group.tags }}" \ + --boot-disk-size "{{ node_group.boot_disk_size }}" --boot-disk-type "pd-ssd" \ + --scopes "logging-write,monitoring-write,useraccounts-ro,service-control,service-management,storage-ro,compute-rw" \ + --image "${image}" ${metadata} + else + echo "Instance template '{{ provision_prefix }}instance-template-{{ node_group.name }}' already exists" + fi + + # Create instance group + if ! gcloud --project "{{ gce_project_id }}" compute instance-groups managed describe "{{ provision_prefix }}ig-{{ node_group.suffix }}" --zone "{{ gce_zone_name }}" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute instance-groups managed create "{{ provision_prefix }}ig-{{ node_group.suffix }}" \ + --zone "{{ gce_zone_name }}" --template "{{ provision_prefix }}instance-template-{{ node_group.name }}" --size "{{ node_group.scale }}" + else + echo "Instance group '{{ provision_prefix }}ig-{{ node_group.suffix }}' already exists" + fi +) & +{% endfor %} + +for i in `jobs -p`; do wait $i; done + + +# Configure the master external LB rules +( +# Master health check +if ! gcloud --project "{{ gce_project_id }}" compute health-checks describe "{{ provision_prefix }}master-ssl-lb-health-check" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute health-checks create https "{{ provision_prefix }}master-ssl-lb-health-check" --port "{{ internal_console_port }}" --request-path "/healthz" +else + echo "Health check '{{ provision_prefix }}master-ssl-lb-health-check' already exists" +fi + +gcloud --project "{{ gce_project_id }}" compute instance-groups managed set-named-ports "{{ provision_prefix }}ig-m" \ + --zone "{{ gce_zone_name }}" --named-ports "{{ provision_prefix }}port-name-master:{{ internal_console_port }}" + +# Master backend service +if ! gcloud --project "{{ gce_project_id }}" compute backend-services describe "{{ provision_prefix }}master-ssl-lb-backend" --global &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute backend-services create "{{ provision_prefix }}master-ssl-lb-backend" --health-checks "{{ provision_prefix }}master-ssl-lb-health-check" --port-name "{{ provision_prefix }}port-name-master" --protocol "TCP" --global --timeout="{{ provision_gce_master_https_timeout | default('2m') }}" + gcloud --project "{{ gce_project_id }}" compute backend-services add-backend "{{ provision_prefix }}master-ssl-lb-backend" --instance-group "{{ provision_prefix }}ig-m" --global --instance-group-zone "{{ gce_zone_name }}" +else + echo "Backend service '{{ provision_prefix }}master-ssl-lb-backend' already exists" +fi + +# Master tcp proxy target +if ! gcloud --project "{{ gce_project_id }}" compute target-tcp-proxies describe "{{ provision_prefix }}master-ssl-lb-target" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute target-tcp-proxies create "{{ provision_prefix }}master-ssl-lb-target" --backend-service "{{ provision_prefix }}master-ssl-lb-backend" +else + echo "Proxy target '{{ provision_prefix }}master-ssl-lb-target' already exists" +fi + +# Master forwarding rule +if ! gcloud --project "{{ gce_project_id }}" compute forwarding-rules describe "{{ provision_prefix }}master-ssl-lb-rule" --global &>/dev/null; then + IP=$(gcloud --project "{{ gce_project_id }}" compute addresses describe "{{ provision_prefix }}master-ssl-lb-ip" --global --format='value(address)') + gcloud --project "{{ gce_project_id }}" compute forwarding-rules create "{{ provision_prefix }}master-ssl-lb-rule" --address "$IP" --global --ports "{{ console_port }}" --target-tcp-proxy "{{ provision_prefix }}master-ssl-lb-target" +else + echo "Forwarding rule '{{ provision_prefix }}master-ssl-lb-rule' already exists" +fi +) & + + +# Configure the master internal LB rules +( +# Internal master health check +if ! gcloud --project "{{ gce_project_id }}" compute http-health-checks describe "{{ provision_prefix }}master-network-lb-health-check" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute http-health-checks create "{{ provision_prefix }}master-network-lb-health-check" --port "8080" --request-path "/healthz" +else + echo "Health check '{{ provision_prefix }}master-network-lb-health-check' already exists" +fi + +# Internal master target pool +if ! gcloud --project "{{ gce_project_id }}" compute target-pools describe "{{ provision_prefix }}master-network-lb-pool" --region "{{ gce_region_name }}" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute target-pools create "{{ provision_prefix }}master-network-lb-pool" --http-health-check "{{ provision_prefix }}master-network-lb-health-check" --region "{{ gce_region_name }}" +else + echo "Target pool '{{ provision_prefix }}master-network-lb-pool' already exists" +fi + +# Internal master forwarding rule +if ! gcloud --project "{{ gce_project_id }}" compute forwarding-rules describe "{{ provision_prefix }}master-network-lb-rule" --region "{{ gce_region_name }}" &>/dev/null; then + IP=$(gcloud --project "{{ gce_project_id }}" compute addresses describe "{{ provision_prefix }}master-network-lb-ip" --region "{{ gce_region_name }}" --format='value(address)') + gcloud --project "{{ gce_project_id }}" compute forwarding-rules create "{{ provision_prefix }}master-network-lb-rule" --address "$IP" --region "{{ gce_region_name }}" --target-pool "{{ provision_prefix }}master-network-lb-pool" +else + echo "Forwarding rule '{{ provision_prefix }}master-network-lb-rule' already exists" +fi +) & + + +# Configure the infra node rules +( +# Router health check +if ! gcloud --project "{{ gce_project_id }}" compute http-health-checks describe "{{ provision_prefix }}router-network-lb-health-check" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute http-health-checks create "{{ provision_prefix }}router-network-lb-health-check" --port "1936" --request-path "/healthz" +else + echo "Health check '{{ provision_prefix }}router-network-lb-health-check' already exists" +fi + +# Router target pool +if ! gcloud --project "{{ gce_project_id }}" compute target-pools describe "{{ provision_prefix }}router-network-lb-pool" --region "{{ gce_region_name }}" &>/dev/null; then + gcloud --project "{{ gce_project_id }}" compute target-pools create "{{ provision_prefix }}router-network-lb-pool" --http-health-check "{{ provision_prefix }}router-network-lb-health-check" --region "{{ gce_region_name }}" +else + echo "Target pool '{{ provision_prefix }}router-network-lb-pool' already exists" +fi + +# Router forwarding rule +if ! gcloud --project "{{ gce_project_id }}" compute forwarding-rules describe "{{ provision_prefix }}router-network-lb-rule" --region "{{ gce_region_name }}" &>/dev/null; then + IP=$(gcloud --project "{{ gce_project_id }}" compute addresses describe "{{ provision_prefix }}router-network-lb-ip" --region "{{ gce_region_name }}" --format='value(address)') + gcloud --project "{{ gce_project_id }}" compute forwarding-rules create "{{ provision_prefix }}router-network-lb-rule" --address "$IP" --region "{{ gce_region_name }}" --target-pool "{{ provision_prefix }}router-network-lb-pool" +else + echo "Forwarding rule '{{ provision_prefix }}router-network-lb-rule' already exists" +fi +) & + +for i in `jobs -p`; do wait $i; done + +# set the target pools +( +if [[ "ig-m" == "{{ provision_gce_router_network_instance_group }}" ]]; then + gcloud --project "{{ gce_project_id }}" compute instance-groups managed set-target-pools "{{ provision_prefix }}ig-m" --target-pools "{{ provision_prefix }}master-network-lb-pool,{{ provision_prefix }}router-network-lb-pool" --zone "{{ gce_zone_name }}" +else + gcloud --project "{{ gce_project_id }}" compute instance-groups managed set-target-pools "{{ provision_prefix }}ig-m" --target-pools "{{ provision_prefix }}master-network-lb-pool" --zone "{{ gce_zone_name }}" + gcloud --project "{{ gce_project_id }}" compute instance-groups managed set-target-pools "{{ provision_prefix }}{{ provision_gce_router_network_instance_group }}" --target-pools "{{ provision_prefix }}router-network-lb-pool" --zone "{{ gce_zone_name }}" +fi +) & + +# configure DNS +( +# Retry DNS changes until they succeed since this may be a shared resource +while true; do + dns="${TMPDIR:-/tmp}/dns.yaml" + rm -f $dns + + # DNS record for master lb + if ! gcloud --project "{{ gce_project_id }}" dns record-sets list -z "${dns_zone}" --name "{{ openshift_master_cluster_public_hostname }}" 2>/dev/null | grep -q "{{ openshift_master_cluster_public_hostname }}"; then + IP=$(gcloud --project "{{ gce_project_id }}" compute addresses describe "{{ provision_prefix }}master-ssl-lb-ip" --global --format='value(address)') + if [[ ! -f $dns ]]; then + gcloud --project "{{ gce_project_id }}" dns record-sets transaction --transaction-file=$dns start -z "${dns_zone}" + fi + gcloud --project "{{ gce_project_id }}" dns record-sets transaction --transaction-file=$dns add -z "${dns_zone}" --ttl 3600 --name "{{ openshift_master_cluster_public_hostname }}." --type A "$IP" + else + echo "DNS record for '{{ openshift_master_cluster_public_hostname }}' already exists" + fi + + # DNS record for internal master lb + if ! gcloud --project "{{ gce_project_id }}" dns record-sets list -z "${dns_zone}" --name "{{ openshift_master_cluster_hostname }}" 2>/dev/null | grep -q "{{ openshift_master_cluster_hostname }}"; then + IP=$(gcloud --project "{{ gce_project_id }}" compute addresses describe "{{ provision_prefix }}master-network-lb-ip" --region "{{ gce_region_name }}" --format='value(address)') + if [[ ! -f $dns ]]; then + gcloud --project "{{ gce_project_id }}" dns record-sets transaction --transaction-file=$dns start -z "${dns_zone}" + fi + gcloud --project "{{ gce_project_id }}" dns record-sets transaction --transaction-file=$dns add -z "${dns_zone}" --ttl 3600 --name "{{ openshift_master_cluster_hostname }}." --type A "$IP" + else + echo "DNS record for '{{ openshift_master_cluster_hostname }}' already exists" + fi + + # DNS record for router lb + if ! gcloud --project "{{ gce_project_id }}" dns record-sets list -z "${dns_zone}" --name "{{ wildcard_zone }}" 2>/dev/null | grep -q "{{ wildcard_zone }}"; then + IP=$(gcloud --project "{{ gce_project_id }}" compute addresses describe "{{ provision_prefix }}router-network-lb-ip" --region "{{ gce_region_name }}" --format='value(address)') + if [[ ! -f $dns ]]; then + gcloud --project "{{ gce_project_id }}" dns record-sets transaction --transaction-file=$dns start -z "${dns_zone}" + fi + gcloud --project "{{ gce_project_id }}" dns record-sets transaction --transaction-file=$dns add -z "${dns_zone}" --ttl 3600 --name "{{ wildcard_zone }}." --type A "$IP" + gcloud --project "{{ gce_project_id }}" dns record-sets transaction --transaction-file=$dns add -z "${dns_zone}" --ttl 3600 --name "*.{{ wildcard_zone }}." --type CNAME "{{ wildcard_zone }}." + else + echo "DNS record for '{{ wildcard_zone }}' already exists" + fi + + # Commit all DNS changes, retrying if preconditions are not met + if [[ -f $dns ]]; then + if ! out="$( 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 + break +done +) & + +# Create bucket for registry +( +if ! gsutil ls -p "{{ gce_project_id }}" "gs://{{ openshift_hosted_registry_storage_gcs_bucket }}" &>/dev/null; then + gsutil mb -p "{{ gce_project_id }}" -l "{{ gce_region_name }}" "gs://{{ openshift_hosted_registry_storage_gcs_bucket }}" +else + echo "Bucket '{{ openshift_hosted_registry_storage_gcs_bucket }}' already exists" +fi +) & + +# wait until all node groups are stable +{% for node_group in provision_gce_node_groups %} +# wait for stable {{ node_group.name }} +( gcloud --project "{{ gce_project_id }}" compute instance-groups managed wait-until-stable "{{ provision_prefix }}ig-{{ node_group.suffix }}" --zone "{{ gce_zone_name }}" --timeout=300) & +{% endfor %} + + +for i in `jobs -p`; do wait $i; done 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 |