Commit 42102cd1 authored by Rémy Coutable's avatar Rémy Coutable

Add more logging in the Review Apps deployment steps

Signed-off-by: default avatarRémy Coutable <remy@rymai.me>
parent ed99dafc
[[ "$TRACE" ]] && set -x
export TILLER_NAMESPACE="$KUBE_NAMESPACE"
function echoerr() { printf "\033[0;31m%s\n\033[0m" "$*" >&2; }
function echoinfo() { printf "\033[0;33m%s\n\033[0m" "$*" >&2; }
function echoerr() {
local header="${2}"
if [ -n "${header}" ]; then
printf "\n\033[0;31m** %s **\n\033[0m" "${1}" >&2;
else
printf "\033[0;31m%s\n\033[0m" "${1}" >&2;
fi
}
function echoinfo() {
local header="${2}"
if [ -n "${header}" ]; then
printf "\n\033[0;33m** %s **\n\033[0m" "${1}" >&2;
else
printf "\033[0;33m%s\n\033[0m" "${1}" >&2;
fi
}
function deployExists() {
local namespace="${1}"
local deploy="${2}"
echoinfo "Checking if ${deploy} exists in the ${namespace} namespace..." true
helm status --tiller-namespace "${namespace}" "${deploy}" >/dev/null 2>&1
local deploy_exists=$?
echoinfo "Deployment status for ${deploy} is ${deploy_exists}"
return $deploy_exists
}
function previousDeployFailed() {
set +e
local deploy="${1}"
echoinfo "Checking for previous deployment of ${deploy}" true
helm status ${deploy} >/dev/null 2>&1
local status=$?
# if `status` is `0`, deployment exists, has a status
if [ $status -eq 0 ]; then
echoinfo "Previous deployment found, checking status..."
deployment_status=$(helm status ${deploy} | grep ^STATUS | cut -d' ' -f2)
echoinfo "Previous deployment state: ${deployment_status}"
if [[ "$deployment_status" == "FAILED" || "$deployment_status" == "PENDING_UPGRADE" || "$deployment_status" == "PENDING_INSTALL" ]]; then
status=0;
else
status=1;
fi
else
echoerr "Previous deployment NOT found."
fi
set -e
return $status
}
function delete() {
if [ -z "$CI_ENVIRONMENT_SLUG" ]; then
echoerr "No release given, aborting the delete!"
return
fi
local track="${1-stable}"
local name="$CI_ENVIRONMENT_SLUG"
if [[ "$track" != "stable" ]]; then
name="$name-$track"
fi
echoinfo "Deleting release '$name'..." true
helm delete --purge "$name" || true
}
function cleanup() {
if [ -z "$CI_ENVIRONMENT_SLUG" ]; then
echoerr "No release given, aborting the delete!"
return
fi
echoinfo "Cleaning up '$CI_ENVIRONMENT_SLUG'..." true
kubectl -n "$KUBE_NAMESPACE" delete \
ingress,svc,pdb,hpa,deploy,statefulset,job,pod,secret,configmap,pvc,secret,clusterrole,clusterrolebinding,role,rolebinding,sa \
-l release="$CI_ENVIRONMENT_SLUG" \
|| true
}
function get_pod() {
local app_name="${1}"
local status="${2-Running}"
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"
echoinfo "Running '${get_pod_cmd}'" true
while true; do
local pod_name="$(eval $get_pod_cmd)"
[[ "${pod_name}" == "" ]] || break
echoinfo "Waiting till '${app_name}' pod is ready";
sleep 5;
done
echoinfo "The pod name is '${pod_name}'."
echo "${pod_name}"
}
function perform_review_app_deployment() {
check_kube_domain
download_gitlab_chart
ensure_namespace
install_tiller
install_external_dns
......@@ -15,6 +118,8 @@ function perform_review_app_deployment() {
}
function check_kube_domain() {
echoinfo "Checking that Kube domain exists..." true
if [ -z ${REVIEW_APPS_DOMAIN+x} ]; then
echo "In order to deploy or use Review Apps, REVIEW_APPS_DOMAIN variable must be set"
echo "You can do it in Auto DevOps project settings or defining a variable at group or project level"
......@@ -25,36 +130,56 @@ function check_kube_domain() {
fi
}
function download_gitlab_chart() {
curl -o gitlab.tar.bz2 https://gitlab.com/charts/gitlab/-/archive/$GITLAB_HELM_CHART_REF/gitlab-$GITLAB_HELM_CHART_REF.tar.bz2
tar -xjf gitlab.tar.bz2
cd gitlab-$GITLAB_HELM_CHART_REF
helm init --client-only
helm repo add gitlab https://charts.gitlab.io
helm dependency update
helm dependency build
}
function ensure_namespace() {
echoinfo "Ensuring the ${KUBE_NAMESPACE} namespace exists..." true
kubectl describe namespace "$KUBE_NAMESPACE" || kubectl create namespace "$KUBE_NAMESPACE"
}
function install_tiller() {
echo "Checking Tiller..."
echoinfo "Checking deployment/tiller-deploy status in the ${TILLER_NAMESPACE} namespace..." true
echoinfo "Initiating the Helm client..."
helm init --client-only
helm init \
--upgrade \
--replicas 2
kubectl rollout status -n "$TILLER_NAMESPACE" -w "deployment/tiller-deploy"
if ! helm version --debug; then
echo "Failed to init Tiller."
return 1
fi
echo ""
}
function install_external_dns() {
local release_name="dns-gitlab-review-app"
local domain=$(echo "${REVIEW_APPS_DOMAIN}" | awk -F. '{printf "%s.%s", $(NF-1), $NF}')
echoinfo "Installing external DNS for domain ${domain}..." true
if ! deployExists "${KUBE_NAMESPACE}" "${release_name}" || previousDeployFailed "${release_name}" ; then
echoinfo "Installing external-dns Helm chart"
helm repo update
helm install stable/external-dns \
-n "${release_name}" \
--namespace "${KUBE_NAMESPACE}" \
--set provider="aws" \
--set aws.secretKey="${REVIEW_APPS_AWS_SECRET_KEY}" \
--set aws.accessKey="${REVIEW_APPS_AWS_ACCESS_KEY}" \
--set aws.zoneType="public" \
--set domainFilters[0]="${domain}" \
--set txtOwnerId="${KUBE_NAMESPACE}" \
--set rbac.create="true" \
--set policy="sync"
else
echoinfo "The external-dns Helm chart is already successfully deployed."
fi
}
function create_secret() {
echo "Create secret..."
echoinfo "Creating the ${CI_ENVIRONMENT_SLUG}-gitlab-initial-root-password secret in the ${KUBE_NAMESPACE} namespace..." true
kubectl create secret generic -n "$KUBE_NAMESPACE" \
$CI_ENVIRONMENT_SLUG-gitlab-initial-root-password \
......@@ -62,43 +187,28 @@ function create_secret() {
--dry-run -o json | kubectl apply -f -
}
function deployExists() {
local namespace="${1}"
local deploy="${2}"
helm status --tiller-namespace "${namespace}" "${deploy}" >/dev/null 2>&1
return $?
}
function download_gitlab_chart() {
echoinfo "Downloading the GitLab chart..." true
function previousDeployFailed() {
set +e
deploy="${1}"
echo "Checking for previous deployment of ${deploy}"
deployment_status=$(helm status ${deploy} >/dev/null 2>&1)
status=$?
# if `status` is `0`, deployment exists, has a status
if [ $status -eq 0 ]; then
echo "Previous deployment found, checking status"
deployment_status=$(helm status ${deploy} | grep ^STATUS | cut -d' ' -f2)
echo "Previous deployment state: $deployment_status"
if [[ "$deployment_status" == "FAILED" || "$deployment_status" == "PENDING_UPGRADE" || "$deployment_status" == "PENDING_INSTALL" ]]; then
status=0;
else
status=1;
fi
else
echo "Previous deployment NOT found."
fi
set -e
return $status
curl -o gitlab.tar.bz2 https://gitlab.com/charts/gitlab/-/archive/$GITLAB_HELM_CHART_REF/gitlab-$GITLAB_HELM_CHART_REF.tar.bz2
tar -xjf gitlab.tar.bz2
cd gitlab-$GITLAB_HELM_CHART_REF
echoinfo "Adding the gitlab repo to Helm..."
helm repo add gitlab https://charts.gitlab.io
echoinfo "Building the gitlab chart's dependencies..."
helm dependency build .
}
function deploy() {
track="${1-stable}"
name="$CI_ENVIRONMENT_SLUG"
local track="${1-stable}"
local name="$CI_ENVIRONMENT_SLUG"
if [[ "$track" != "stable" ]]; then
name="$name-$track"
fi
echoinfo "Deploying ${name}..." true
replicas="1"
service_enabled="false"
......@@ -140,9 +250,7 @@ function deploy() {
fi
create_secret
helm repo add gitlab https://charts.gitlab.io/
helm dep update .
download_gitlab_chart
HELM_CMD=$(cat << EOF
helm upgrade --install \
......@@ -188,92 +296,20 @@ HELM_CMD=$(cat << EOF
EOF
)
echo "Deploying with:"
echo $HELM_CMD
echoinfo "Deploying with:"
echoinfo "${HELM_CMD}"
eval $HELM_CMD
}
function delete() {
track="${1-stable}"
name="$CI_ENVIRONMENT_SLUG"
if [ -z "$CI_ENVIRONMENT_SLUG" ]; then
echo "No release given, aborting the delete!"
return
fi
if [[ "$track" != "stable" ]]; then
name="$name-$track"
fi
if ! deployExists "${KUBE_NAMESPACE}" "${name}"; then
echo "The release $name doesn't exist, aborting the cleanup!"
return
fi
echo "Deleting release '$name'..."
helm delete --purge "$name" || true
}
function cleanup() {
if [ -z "$CI_ENVIRONMENT_SLUG" ]; then
echo "No release given, aborting the delete!"
return
fi
echo "Cleaning up '$CI_ENVIRONMENT_SLUG'..."
kubectl -n "$KUBE_NAMESPACE" delete \
ingress,svc,pdb,hpa,deploy,statefulset,job,pod,secret,configmap,pvc,secret,clusterrole,clusterrolebinding,role,rolebinding,sa \
-l release="$CI_ENVIRONMENT_SLUG" \
|| true
}
function install_external_dns() {
local release_name="dns-gitlab-review-app"
local domain=$(echo "${REVIEW_APPS_DOMAIN}" | awk -F. '{printf "%s.%s", $(NF-1), $NF}')
if ! deployExists "${KUBE_NAMESPACE}" "${release_name}" || previousDeployFailed "${release_name}" ; then
echo "Installing external-dns helm chart"
helm repo update
helm install stable/external-dns \
-n "${release_name}" \
--namespace "${KUBE_NAMESPACE}" \
--set provider="aws" \
--set aws.secretKey="${REVIEW_APPS_AWS_SECRET_KEY}" \
--set aws.accessKey="${REVIEW_APPS_AWS_ACCESS_KEY}" \
--set aws.zoneType="public" \
--set domainFilters[0]="${domain}" \
--set txtOwnerId="${KUBE_NAMESPACE}" \
--set rbac.create="true" \
--set policy="sync"
fi
}
function get_pod() {
local app_name="${1}"
local status="${2-Running}"
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"
echoinfo "Running '${get_pod_cmd}'"
while true; do
local pod_name="$(eval $get_pod_cmd)"
[[ "${pod_name}" == "" ]] || break
echoinfo "Waiting till '${app_name}' pod is ready";
sleep 5;
done
echoinfo "The pod name is '${pod_name}'."
echo "${pod_name}"
}
function add_license() {
if [ -z "${REVIEW_APPS_EE_LICENSE}" ]; then echo "License not found" && return; fi
task_runner_pod=$(get_pod "task-runner");
if [ -z "${task_runner_pod}" ]; then echo "Task runner pod not found" && return; fi
echoinfo "Installing license..." true
echo "${REVIEW_APPS_EE_LICENSE}" > /tmp/license.gitlab
kubectl -n "$KUBE_NAMESPACE" cp /tmp/license.gitlab ${task_runner_pod}:/tmp/license.gitlab
rm /tmp/license.gitlab
......
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