372 lines
12 KiB
Bash
Executable file
372 lines
12 KiB
Bash
Executable file
[[ "$TRACE" ]] && set -x
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export TILLER_NAMESPACE="$KUBE_NAMESPACE"
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function deploy_exists() {
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local namespace="${1}"
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local deploy="${2}"
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echoinfo "Checking if ${deploy} exists in the ${namespace} namespace..." true
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helm status --tiller-namespace "${namespace}" "${deploy}" >/dev/null 2>&1
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local deploy_exists=$?
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echoinfo "Deployment status for ${deploy} is ${deploy_exists}"
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return $deploy_exists
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}
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function previous_deploy_failed() {
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local deploy="${1}"
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echoinfo "Checking for previous deployment of ${deploy}" true
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helm status "${deploy}" >/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 "${deploy}" | 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 $status
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}
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function delete() {
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if [ -z "$CI_ENVIRONMENT_SLUG" ]; 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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local name="$CI_ENVIRONMENT_SLUG"
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echoinfo "Deleting release '$name'..." true
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helm delete --purge "$name"
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}
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function get_pod() {
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local app_name="${1}"
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local status="${2-Running}"
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get_pod_cmd="kubectl get pods -n ${KUBE_NAMESPACE} --field-selector=status.phase=${status} -lapp=${app_name},release=${CI_ENVIRONMENT_SLUG} --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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echoinfo "Ensuring the ${KUBE_NAMESPACE} namespace exists..." true
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kubectl describe namespace "$KUBE_NAMESPACE" || kubectl create namespace "$KUBE_NAMESPACE"
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}
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function install_tiller() {
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echoinfo "Checking deployment/tiller-deploy status in the ${TILLER_NAMESPACE} namespace..." true
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echoinfo "Initiating the Helm client..."
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helm init --client-only
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# Set toleration for Tiller to be installed on a specific node pool
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helm init \
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--wait \
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--upgrade \
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--node-selectors "app=helm" \
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--replicas 3 \
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--override "spec.template.spec.tolerations[0].key"="dedicated" \
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--override "spec.template.spec.tolerations[0].operator"="Equal" \
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--override "spec.template.spec.tolerations[0].value"="helm" \
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--override "spec.template.spec.tolerations[0].effect"="NoSchedule"
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kubectl rollout status -n "$TILLER_NAMESPACE" -w "deployment/tiller-deploy"
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if ! helm version --debug; then
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echo "Failed to init Tiller."
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return 1
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fi
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}
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function install_external_dns() {
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local release_name="dns-gitlab-review-app"
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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 ${domain}..." true
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if ! deploy_exists "${KUBE_NAMESPACE}" "${release_name}" || previous_deploy_failed "${release_name}" ; then
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echoinfo "Installing external-dns Helm chart"
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helm repo update
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# Default requested: CPU => 0, memory => 0
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helm install stable/external-dns --version '^2.2.1' \
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-n "${release_name}" \
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--namespace "${KUBE_NAMESPACE}" \
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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]="${domain}" \
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--set txtOwnerId="${KUBE_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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echoinfo "Creating the ${CI_ENVIRONMENT_SLUG}-gitlab-initial-root-password secret in the ${KUBE_NAMESPACE} namespace..." true
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kubectl create secret generic -n "$KUBE_NAMESPACE" \
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"${CI_ENVIRONMENT_SLUG}-gitlab-initial-root-password" \
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--from-literal="password=${REVIEW_APPS_ROOT_PASSWORD}" \
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--dry-run -o json | kubectl apply -f -
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}
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function download_chart() {
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echoinfo "Downloading the GitLab chart..." true
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curl -o gitlab.tar.bz2 "https://gitlab.com/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-${GITLAB_HELM_CHART_REF}"
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echoinfo "Adding the gitlab repo to Helm..."
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helm repo add gitlab https://charts.gitlab.io
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echoinfo "Building the gitlab chart's dependencies..."
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helm dependency build .
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}
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function deploy() {
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local name="$CI_ENVIRONMENT_SLUG"
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echoinfo "Deploying ${name}..." true
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IMAGE_REPOSITORY="registry.gitlab.com/gitlab-org/build/cng-mirror"
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IMAGE_VERSION="${CI_PROJECT_NAME#gitlab-}"
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gitlab_migrations_image_repository="${IMAGE_REPOSITORY}/gitlab-rails-${IMAGE_VERSION}"
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gitlab_sidekiq_image_repository="${IMAGE_REPOSITORY}/gitlab-sidekiq-${IMAGE_VERSION}"
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gitlab_unicorn_image_repository="${IMAGE_REPOSITORY}/gitlab-unicorn-${IMAGE_VERSION}"
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gitlab_task_runner_image_repository="${IMAGE_REPOSITORY}/gitlab-task-runner-${IMAGE_VERSION}"
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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="${IMAGE_REPOSITORY}/gitlab-workhorse-${IMAGE_VERSION}"
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create_application_secret
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HELM_CMD=$(cat << EOF
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helm upgrade --install \
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--atomic \
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--timeout 900 \
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--set releaseOverride="$CI_ENVIRONMENT_SLUG" \
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--set global.appConfig.enableUsagePing=false \
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--set global.imagePullPolicy=Always \
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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 global.ingress.configureCertmanager=false \
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--set global.ingress.tls.secretName=tls-cert \
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--set global.ingress.annotations."external-dns\.alpha\.kubernetes\.io/ttl"="10" \
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--set certmanager.install=false \
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--set prometheus.install=false \
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--set nginx-ingress.controller.service.enableHttp=false \
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--set nginx-ingress.controller.replicaCount=2 \
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--set nginx-ingress.controller.config.ssl-ciphers="ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4" \
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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.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.unicorn.image.repository="$gitlab_unicorn_image_repository" \
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--set gitlab.unicorn.image.tag="$CI_COMMIT_REF_SLUG" \
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--set gitlab.unicorn.workhorse.image="$gitlab_workhorse_image_repository" \
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--set gitlab.unicorn.workhorse.tag="$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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# Default requested: CPU => 100m, memory => 100Mi
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HELM_CMD=$(cat << EOF
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$HELM_CMD \
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--set nginx-ingress.controller.resources.limits.cpu=200m \
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--set nginx-ingress.controller.resources.requests.memory=210M \
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--set nginx-ingress.controller.resources.limits.memory=420M
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EOF
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)
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# Default requested: CPU => 5m, memory => 5Mi
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HELM_CMD=$(cat << EOF
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$HELM_CMD \
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--set nginx-ingress.defaultBackend.resources.limits.cpu=10m \
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--set nginx-ingress.defaultBackend.resources.requests.memory=12M \
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--set nginx-ingress.defaultBackend.resources.limits.memory=24M
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EOF
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)
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# Default requested: CPU => 100m, memory => 200Mi
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HELM_CMD=$(cat << EOF
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$HELM_CMD \
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--set gitlab.gitaly.resources.requests.cpu=150m \
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--set gitlab.gitaly.resources.limits.cpu=300m \
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--set gitlab.gitaly.resources.limits.memory=420M
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EOF
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)
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# Default requested: CPU => 0, memory => 6M
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HELM_CMD=$(cat << EOF
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$HELM_CMD \
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--set gitlab.gitlab-shell.resources.requests.cpu=70m \
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--set gitlab.gitlab-shell.resources.limits.cpu=140m \
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--set gitlab.gitlab-shell.resources.requests.memory=20M \
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--set gitlab.gitlab-shell.resources.limits.memory=40M
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EOF
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)
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# Default requested: CPU => 50m, memory => 650M
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HELM_CMD=$(cat << EOF
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$HELM_CMD \
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--set gitlab.sidekiq.resources.requests.cpu=200m \
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--set gitlab.sidekiq.resources.limits.cpu=300m \
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--set gitlab.sidekiq.resources.requests.memory=800M \
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--set gitlab.sidekiq.resources.limits.memory=1.2G
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EOF
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)
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# Default requested: CPU => 300m + 100m (workhorse), memory => 1.2G + 100M (workhorse)
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HELM_CMD=$(cat << EOF
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$HELM_CMD \
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--set gitlab.unicorn.resources.limits.cpu=800m \
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--set gitlab.unicorn.resources.limits.memory=2.6G
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EOF
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)
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# Default requested: CPU => 100m, memory => 64Mi
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HELM_CMD=$(cat << EOF
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$HELM_CMD \
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--set redis.resources.limits.cpu=200m \
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--set redis.resources.limits.memory=130M
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EOF
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)
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# Default requested: CPU => 100m, memory => 128Mi
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HELM_CMD=$(cat << EOF
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$HELM_CMD \
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--set minio.resources.limits.cpu=200m \
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--set minio.resources.limits.memory=280M
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EOF
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)
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# Default requested: CPU => 0, memory => 0
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HELM_CMD=$(cat << EOF
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$HELM_CMD \
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--set gitlab-runner.resources.requests.cpu=300m \
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--set gitlab-runner.resources.limits.cpu=600m \
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--set gitlab-runner.resources.requests.memory=300M \
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--set gitlab-runner.resources.limits.memory=600M
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EOF
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)
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HELM_CMD=$(cat << EOF
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$HELM_CMD \
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--namespace="$KUBE_NAMESPACE" \
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--version="$CI_PIPELINE_ID-$CI_JOB_ID" \
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"$name" .
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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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migrations_pod=$(get_pod "migrations");
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if [ -z "${migrations_pod}" ]; then
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echoerr "Migrations pod not found."
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else
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echoinfo "Logs tail of the ${migrations_pod} pod..."
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kubectl logs -n "$KUBE_NAMESPACE" "${migrations_pod}" | sed "s/${REVIEW_APPS_ROOT_PASSWORD}/[REDACTED]/g"
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fi
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unicorn_pod=$(get_pod "unicorn");
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if [ -z "${unicorn_pod}" ]; then
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echoerr "Unicorn pod not found."
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else
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echoinfo "Logs tail of the ${unicorn_pod} pod..."
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kubectl logs -n "$KUBE_NAMESPACE" -c unicorn "${unicorn_pod}" | sed "s/${REVIEW_APPS_ROOT_PASSWORD}/[REDACTED]/g"
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fi
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}
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function add_license() {
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if [ -z "${REVIEW_APPS_EE_LICENSE}" ]; then echo "License not found" && return; fi
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task_runner_pod=$(get_pod "task-runner");
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if [ -z "${task_runner_pod}" ]; then echo "Task runner pod not found" && return; fi
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echoinfo "Installing license..." true
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echo "${REVIEW_APPS_EE_LICENSE}" > /tmp/license.gitlab
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kubectl -n "$KUBE_NAMESPACE" cp /tmp/license.gitlab "${task_runner_pod}":/tmp/license.gitlab
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rm /tmp/license.gitlab
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kubectl -n "$KUBE_NAMESPACE" exec -it "${task_runner_pod}" -- /srv/gitlab/bin/rails runner -e production \
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'
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content = File.read("/tmp/license.gitlab").strip;
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FileUtils.rm_f("/tmp/license.gitlab");
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unless License.where(data:content).empty?
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puts "License already exists";
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Kernel.exit 0;
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end
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unless License.new(data: content).save
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puts "Could not add license";
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Kernel.exit 0;
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end
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puts "License added";
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'
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}
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