321 lines
11 KiB
Bash
Executable file
321 lines
11 KiB
Bash
Executable file
[[ "$TRACE" ]] && set -x
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function deploy_exists() {
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local namespace="${1}"
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local release="${2}"
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local deploy_exists
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echoinfo "Checking if ${release} exists in the ${namespace} namespace..." true
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helm status --namespace "${namespace}" "${release}" >/dev/null 2>&1
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deploy_exists=$?
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echoinfo "Deployment status for ${release} is ${deploy_exists}"
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return $deploy_exists
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}
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function previous_deploy_failed() {
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local namespace="${1}"
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local release="${2}"
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echoinfo "Checking for previous deployment of ${release}" true
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helm status --namespace "${namespace}" "${release}" >/dev/null 2>&1
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local status=$?
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# if `status` is `0`, deployment exists, has a status
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if [ $status -eq 0 ]; then
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echoinfo "Previous deployment found, checking status..."
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deployment_status=$(helm status --namespace "${namespace}" "${release}" | grep ^STATUS | cut -d' ' -f2)
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echoinfo "Previous deployment state: ${deployment_status}"
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if [[ "$deployment_status" == "failed" || "$deployment_status" == "pending-upgrade" || "$deployment_status" == "pending-install" ]]; then
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status=0;
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else
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status=1;
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fi
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else
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echoerr "Previous deployment NOT found."
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fi
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return $status
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}
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function delete_release() {
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local namespace="${KUBE_NAMESPACE}"
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local release="${CI_ENVIRONMENT_SLUG}"
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if [ -z "${release}" ]; then
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echoerr "No release given, aborting the delete!"
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return
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fi
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helm_delete_release "${namespace}" "${release}"
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kubectl_cleanup_release "${namespace}" "${release}"
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}
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function helm_delete_release() {
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local namespace="${1}"
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local release="${2}"
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echoinfo "Deleting Helm release '${release}'..." true
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helm uninstall --namespace "${namespace}" "${release}"
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}
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function kubectl_cleanup_release() {
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local namespace="${1}"
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local release="${2}"
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echoinfo "Deleting all K8s resources matching '${release}'..." true
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kubectl --namespace "${namespace}" get ingress,svc,pdb,hpa,deploy,statefulset,job,pod,secret,configmap,pvc,secret,clusterrole,clusterrolebinding,role,rolebinding,sa,crd 2>&1 \
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| grep "${release}" \
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| awk '{print $1}' \
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| xargs kubectl --namespace "${namespace}" delete \
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|| true
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}
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function delete_failed_release() {
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local namespace="${KUBE_NAMESPACE}"
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local release="${CI_ENVIRONMENT_SLUG}"
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if [ -z "${release}" ]; then
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echoerr "No release given, aborting the delete!"
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return
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fi
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if ! deploy_exists "${namespace}" "${release}"; then
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echoinfo "No Review App with ${release} is currently deployed."
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else
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# Cleanup and previous installs, as FAILED and PENDING_UPGRADE will cause errors with `upgrade`
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if previous_deploy_failed "${namespace}" "${release}" ; then
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echoinfo "Review App deployment in bad state, cleaning up ${release}"
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delete_release
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else
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echoinfo "Review App deployment in good state"
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fi
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fi
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}
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function get_pod() {
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local namespace="${KUBE_NAMESPACE}"
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local release="${CI_ENVIRONMENT_SLUG}"
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local app_name="${1}"
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local status="${2-Running}"
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get_pod_cmd="kubectl get pods --namespace ${namespace} --field-selector=status.phase=${status} -lapp=${app_name},release=${release} --no-headers -o=custom-columns=NAME:.metadata.name | tail -n 1"
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echoinfo "Waiting till '${app_name}' pod is ready" true
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echoinfo "Running '${get_pod_cmd}'"
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local interval=5
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local elapsed_seconds=0
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local max_seconds=$((2 * 60))
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while true; do
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local pod_name
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pod_name="$(eval "${get_pod_cmd}")"
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[[ "${pod_name}" == "" ]] || break
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if [[ "${elapsed_seconds}" -gt "${max_seconds}" ]]; then
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echoerr "The pod name couldn't be found after ${elapsed_seconds} seconds, aborting."
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break
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fi
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let "elapsed_seconds+=interval"
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sleep ${interval}
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done
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echoinfo "The pod name is '${pod_name}'."
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echo "${pod_name}"
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}
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function check_kube_domain() {
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echoinfo "Checking that Kube domain exists..." true
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if [ -z ${REVIEW_APPS_DOMAIN+x} ]; then
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echo "In order to deploy or use Review Apps, REVIEW_APPS_DOMAIN variable must be set"
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echo "You can do it in Auto DevOps project settings or defining a variable at group or project level"
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echo "You can also manually add it in .gitlab-ci.yml"
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false
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else
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true
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fi
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}
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function ensure_namespace() {
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local namespace="${KUBE_NAMESPACE}"
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echoinfo "Ensuring the ${namespace} namespace exists..." true
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kubectl describe namespace "${namespace}" || kubectl create namespace "${namespace}"
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}
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function install_external_dns() {
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local namespace="${KUBE_NAMESPACE}"
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local release="dns-gitlab-review-app-helm3"
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local domain
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domain=$(echo "${REVIEW_APPS_DOMAIN}" | awk -F. '{printf "%s.%s", $(NF-1), $NF}')
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echoinfo "Installing external DNS for domain ${domain}..." true
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if ! deploy_exists "${namespace}" "${release}" || previous_deploy_failed "${namespace}" "${release}" ; then
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echoinfo "Installing external-dns Helm chart"
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helm repo add bitnami https://charts.bitnami.com/bitnami
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helm repo update
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# Default requested: CPU => 0, memory => 0
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helm install "${release}" bitnami/external-dns \
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--namespace "${namespace}" \
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--version '2.13.3' \
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--set provider="aws" \
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--set aws.credentials.secretKey="${REVIEW_APPS_AWS_SECRET_KEY}" \
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--set aws.credentials.accessKey="${REVIEW_APPS_AWS_ACCESS_KEY}" \
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--set aws.zoneType="public" \
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--set aws.batchChangeSize=400 \
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--set domainFilters[0]="${domain}" \
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--set txtOwnerId="${namespace}" \
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--set rbac.create="true" \
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--set policy="sync" \
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--set resources.requests.cpu=50m \
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--set resources.limits.cpu=100m \
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--set resources.requests.memory=100M \
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--set resources.limits.memory=200M
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else
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echoinfo "The external-dns Helm chart is already successfully deployed."
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fi
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}
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function create_application_secret() {
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local namespace="${KUBE_NAMESPACE}"
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local release="${CI_ENVIRONMENT_SLUG}"
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local initial_root_password_shared_secret
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local gitlab_license_shared_secret
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initial_root_password_shared_secret=$(kubectl get secret --namespace ${namespace} --no-headers -o=custom-columns=NAME:.metadata.name shared-gitlab-initial-root-password | tail -n 1)
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if [[ "${initial_root_password_shared_secret}" == "" ]]; then
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echoinfo "Creating the 'shared-gitlab-initial-root-password' secret in the ${namespace} namespace..." true
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kubectl create secret generic --namespace "${namespace}" \
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"shared-gitlab-initial-root-password" \
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--from-literal="password=${REVIEW_APPS_ROOT_PASSWORD}" \
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--dry-run -o json | kubectl apply -f -
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else
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echoinfo "The 'shared-gitlab-initial-root-password' secret already exists in the ${namespace} namespace."
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fi
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if [ -z "${REVIEW_APPS_EE_LICENSE}" ]; then echo "License not found" && return; fi
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gitlab_license_shared_secret=$(kubectl get secret --namespace ${namespace} --no-headers -o=custom-columns=NAME:.metadata.name shared-gitlab-license | tail -n 1)
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if [[ "${gitlab_license_shared_secret}" == "" ]]; then
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echoinfo "Creating the 'shared-gitlab-license' secret in the ${namespace} namespace..." true
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echo "${REVIEW_APPS_EE_LICENSE}" > /tmp/license.gitlab
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kubectl create secret generic --namespace "${namespace}" \
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"shared-gitlab-license" \
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--from-file=license=/tmp/license.gitlab \
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--dry-run -o json | kubectl apply -f -
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else
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echoinfo "The 'shared-gitlab-license' secret already exists in the ${namespace} namespace."
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fi
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}
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function download_chart() {
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echoinfo "Downloading the GitLab chart..." true
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curl --location -o gitlab.tar.bz2 "https://gitlab.com/gitlab-org/charts/gitlab/-/archive/${GITLAB_HELM_CHART_REF}/gitlab-${GITLAB_HELM_CHART_REF}.tar.bz2"
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tar -xjf gitlab.tar.bz2
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cd "gitlab-${GITLAB_HELM_CHART_REF}"
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echoinfo "Adding the gitlab repo to Helm..."
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helm repo add gitlab https://charts.gitlab.io
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echoinfo "Building the gitlab chart's dependencies..."
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helm dependency build .
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}
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function base_config_changed() {
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if [ -z "${CI_MERGE_REQUEST_IID}" ]; then return; fi
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curl "${CI_API_V4_URL}/projects/${CI_MERGE_REQUEST_PROJECT_ID}/merge_requests/${CI_MERGE_REQUEST_IID}/changes" | jq '.changes | any(.old_path == "scripts/review_apps/base-config.yaml")'
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}
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function deploy() {
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local namespace="${KUBE_NAMESPACE}"
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local release="${CI_ENVIRONMENT_SLUG}"
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local base_config_file_ref="master"
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if [[ "$(base_config_changed)" == "true" ]]; then base_config_file_ref="${CI_COMMIT_SHA}"; fi
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local base_config_file="https://gitlab.com/gitlab-org/gitlab/raw/${base_config_file_ref}/scripts/review_apps/base-config.yaml"
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echoinfo "Deploying ${release}..." true
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IMAGE_REPOSITORY="registry.gitlab.com/gitlab-org/build/cng-mirror"
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gitlab_migrations_image_repository="${IMAGE_REPOSITORY}/gitlab-rails-ee"
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gitlab_sidekiq_image_repository="${IMAGE_REPOSITORY}/gitlab-sidekiq-ee"
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gitlab_webservice_image_repository="${IMAGE_REPOSITORY}/gitlab-webservice-ee"
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gitlab_task_runner_image_repository="${IMAGE_REPOSITORY}/gitlab-task-runner-ee"
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gitlab_gitaly_image_repository="${IMAGE_REPOSITORY}/gitaly"
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gitlab_shell_image_repository="${IMAGE_REPOSITORY}/gitlab-shell"
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gitlab_workhorse_image_repository="${IMAGE_REPOSITORY}/gitlab-workhorse-ee"
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create_application_secret
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HELM_CMD=$(cat << EOF
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helm upgrade \
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--namespace="${namespace}" \
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--install \
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--wait \
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--timeout 15m \
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--set ci.branch="${CI_COMMIT_REF_NAME}" \
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--set ci.commit.sha="${CI_COMMIT_SHORT_SHA}" \
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--set ci.job.url="${CI_JOB_URL}" \
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--set ci.pipeline.url="${CI_PIPELINE_URL}" \
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--set releaseOverride="${release}" \
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--set global.hosts.hostSuffix="${HOST_SUFFIX}" \
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--set global.hosts.domain="${REVIEW_APPS_DOMAIN}" \
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--set gitlab.migrations.image.repository="${gitlab_migrations_image_repository}" \
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--set gitlab.migrations.image.tag="${CI_COMMIT_REF_SLUG}" \
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--set gitlab.gitaly.image.repository="${gitlab_gitaly_image_repository}" \
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--set gitlab.gitaly.image.tag="v${GITALY_VERSION}" \
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--set gitlab.gitlab-shell.image.repository="${gitlab_shell_image_repository}" \
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--set gitlab.gitlab-shell.image.tag="v${GITLAB_SHELL_VERSION}" \
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--set gitlab.sidekiq.annotations.commit="${CI_COMMIT_SHORT_SHA}" \
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--set gitlab.sidekiq.image.repository="${gitlab_sidekiq_image_repository}" \
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--set gitlab.sidekiq.image.tag="${CI_COMMIT_REF_SLUG}" \
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--set gitlab.webservice.annotations.commit="${CI_COMMIT_SHORT_SHA}" \
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--set gitlab.webservice.image.repository="${gitlab_webservice_image_repository}" \
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--set gitlab.webservice.image.tag="${CI_COMMIT_REF_SLUG}" \
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--set gitlab.webservice.workhorse.image="${gitlab_workhorse_image_repository}" \
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--set gitlab.webservice.workhorse.tag="${CI_COMMIT_REF_SLUG}" \
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--set gitlab.task-runner.image.repository="${gitlab_task_runner_image_repository}" \
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--set gitlab.task-runner.image.tag="${CI_COMMIT_REF_SLUG}"
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EOF
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)
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if [ -n "${REVIEW_APPS_EE_LICENSE}" ]; then
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HELM_CMD=$(cat << EOF
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${HELM_CMD} \
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--set global.gitlab.license.secret="shared-gitlab-license"
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EOF
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)
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fi
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HELM_CMD=$(cat << EOF
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${HELM_CMD} \
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--version="${CI_PIPELINE_ID}-${CI_JOB_ID}" \
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-f "${base_config_file}" \
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"${release}" .
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EOF
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)
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echoinfo "Deploying with:"
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echoinfo "${HELM_CMD}"
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eval "${HELM_CMD}"
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}
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function display_deployment_debug() {
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local namespace="${KUBE_NAMESPACE}"
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local release="${CI_ENVIRONMENT_SLUG}"
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# Get all pods for this release
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echoinfo "Pods for release ${release}"
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kubectl get pods --namespace "${namespace}" -lrelease=${release}
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# Get all non-completed jobs
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echoinfo "Unsuccessful Jobs for release ${release}"
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kubectl get jobs --namespace "${namespace}" -lrelease=${release} --field-selector=status.successful!=1
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}
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