From b17bbaa072573d1290f3b59fddaf04ba5daa7ead Mon Sep 17 00:00:00 2001
From: Kamil Trzcinski <ayufan@ayufan.eu>
Date: Fri, 27 Jan 2017 15:01:29 +0100
Subject: [PATCH] Add review apps support

---
 .gitlab-ci.yml        |  38 ++++++++++++-
 scripts/deploy-review | 122 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 159 insertions(+), 1 deletion(-)
 create mode 100755 scripts/deploy-review

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d30deef00963..310a9850a502 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,6 +17,9 @@ variables:
   PHANTOMJS_VERSION: "2.1.1"
   GET_SOURCES_ATTEMPTS: "3"
 
+  # Review apps deployment domain
+  KUBE_DOMAIN: gitlab-review-apps.ayucloud.ovh
+
 before_script:
   - source ./scripts/prepare_build.sh
   - cp config/gitlab.yml.example config/gitlab.yml
@@ -27,6 +30,7 @@ before_script:
 
 stages:
 - prepare
+- review
 - test
 - post-test
 - pages
@@ -232,7 +236,7 @@ spinach 9 10 ruby21: *spinach-knapsack-ruby21
   script:
     - bundle exec $CI_BUILD_NAME
 
-rubocop: 
+rubocop:
   <<: *ruby-static-analysis
   <<: *dedicated-runner
   stage: test
@@ -473,3 +477,35 @@ cache gems:
       - vendor/cache
   only:
     - master@gitlab-org/gitlab-ce
+
+### REVIEW APPS
+
+review:
+  image: registry.gitlab.com/gitlab-examples/kubernetes-deploy
+  stage: prepare
+  before_script: []
+  cache: {}
+  script:
+    - scripts/deploy-review
+  environment:
+    name: review/$CI_BUILD_REF_NAME
+    url: http://$CI_ENVIRONMENT_SLUG.$KUBE_DOMAIN
+    on_stop: stop_review
+  only:
+    - branches@gitlab-org/gitlab-ce
+
+stop_review:
+  image: registry.gitlab.com/gitlab-examples/kubernetes-deploy
+  stage: review
+  variables:
+    GIT_STRATEGY: none
+  before_script: []
+  cache: {}
+  script:
+    - command destroy
+  environment:
+    name: review/$CI_BUILD_REF_NAME
+    action: stop
+  when: manual
+  only:
+    - branches@gitlab-org/gitlab-ce
diff --git a/scripts/deploy-review b/scripts/deploy-review
new file mode 100755
index 000000000000..6cbab3aaf361
--- /dev/null
+++ b/scripts/deploy-review
@@ -0,0 +1,122 @@
+#!/bin/bash
+
+source "/opt/kubernetes-deploy/src/common.bash"
+
+export GITLAB_REVIEW_APP_IMAGE=ayufan/gitlab-development-kit
+
+if [[ -z "$CI_ENVIRONMENT_URL" ]]; then
+  echo "Reading CI_ENVIRONMENT_URL from .gitlab-ci.yml..."
+  CI_ENVIRONMENT_URL="$(ruby -ryaml -e 'puts YAML.load_file(".gitlab-ci.yml")[ENV["CI_BUILD_NAME"]]["environment"]["url"]')"
+  CI_ENVIRONMENT_URL="$(eval echo "$CI_ENVIRONMENT_URL")"
+  echo "CI_ENVIRONMENT_URL: $CI_ENVIRONMENT_URL"
+fi
+
+ensure_deploy_variables
+create_kubeconfig
+
+CI_ENVIRONMENT_HOSTNAME="${CI_ENVIRONMENT_URL}"
+CI_ENVIRONMENT_HOSTNAME="${CI_ENVIRONMENT_HOSTNAME/http:\/\//}"
+CI_ENVIRONMENT_HOSTNAME="${CI_ENVIRONMENT_HOSTNAME/https:\/\//}"
+
+cat <<EOF | kubectl apply -f -
+kind: Namespace
+apiVersion: v1
+metadata:
+  name: $KUBE_NAMESPACE
+EOF
+
+cat <<EOF | kubectl apply -n $KUBE_NAMESPACE -f -
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: $CI_ENVIRONMENT_SLUG
+  namespace: $KUBE_NAMESPACE
+  labels:
+    app: $CI_ENVIRONMENT_SLUG
+    sha: "$CI_BUILD_REF"
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        name: $CI_ENVIRONMENT_SLUG
+        app: $CI_ENVIRONMENT_SLUG
+    spec:
+      containers:
+      - name: app
+        image: $GITLAB_REVIEW_APP_IMAGE
+        imagePullPolicy: Always
+        resources:
+          requests:
+            memory: "2048Mi"
+            cpu: "1"
+          limits:
+            memory: "4096Mi"
+            cpu: "4"
+        env:
+        - name: CI_PIPELINE_ID
+          value: "$CI_PIPELINE_ID"
+        - name: CI_BUILD_ID
+          value: "$CI_BUILD_ID"
+        - name: CI_CHECKOUT_SHA
+          value: "$CI_BUILD_REF"
+        ports:
+        - name: web
+          containerPort: 5000
+        livenessProbe:
+          httpGet:
+            path: /help
+            port: 5000
+          initialDelaySeconds: 5
+          timeoutSeconds: 3
+          failureThreshold: 200
+        readinessProbe:
+          httpGet:
+            path: /help
+            port: 5000
+          initialDelaySeconds: 5
+          timeoutSeconds: 3
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: $CI_ENVIRONMENT_SLUG
+  namespace: $KUBE_NAMESPACE
+  labels:
+    app: $CI_ENVIRONMENT_SLUG
+spec:
+  ports:
+    - name: web
+      port: 5000
+      targetPort: web
+  selector:
+    name: $CI_ENVIRONMENT_SLUG
+---
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: $CI_ENVIRONMENT_SLUG
+  namespace: $KUBE_NAMESPACE
+  labels:
+    app: $CI_ENVIRONMENT_SLUG
+  annotations:
+    kubernetes.io/tls-acme: "true"
+    kubernetes.io/ingress.class: "nginx"
+spec:
+  tls:
+  - hosts:
+    - $CI_ENVIRONMENT_HOSTNAME
+    secretName: ${CI_ENVIRONMENT_SLUG}-tls
+  rules:
+  - host: $CI_ENVIRONMENT_HOSTNAME
+    http:
+      paths:
+      - path: /
+        backend:
+          serviceName: $CI_ENVIRONMENT_SLUG
+          servicePort: 5000
+EOF
+
+echo "Deployment of your review app started."
+echo "Application should be accessible at: ${CI_ENVIRONMENT_URL} within a couple of minutes"
+echo ""
-- 
GitLab