From d5a9a62f73b177443a67e9bf55d5e562ffac511a Mon Sep 17 00:00:00 2001
From: Juan Ferrer Toribio <juan@verdnatura.es>
Date: Thu, 19 Dec 2019 14:27:29 +0100
Subject: [PATCH] Deploy with docker swarm

---
 Jenkinsfile        | 62 ++++++++++++++--------------------------------
 docker-compose.yml |  4 +++
 gulpfile.js        | 22 +++++++++++-----
 3 files changed, 38 insertions(+), 50 deletions(-)

diff --git a/Jenkinsfile b/Jenkinsfile
index 0aaba1e93..b888e57bc 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -8,19 +8,17 @@ pipeline {
     environment {
         PROJECT_NAME      = 'salix'
         REGISTRY          = 'registry.verdnatura.es'
-        DOCKER_HOST_1     = 'vch1.verdnatura.es'
-        DOCKER_HOST_2     = 'vch2.verdnatura.es'
         PORT_MASTER_FRONT = '5002'
-        PORT_MASTER_BACK  = '3001-3002'
+        PORT_MASTER_BACK  = '3001'
         PORT_TEST_FRONT   = '5001'
-        PORT_TEST_BACK    = '4001-4002'
+        PORT_TEST_BACK    = '4001'
         TAG               = "${env.BRANCH_NAME}"
     }
     stages {
         stage('Checkout') {
             steps {
                 script {
-                    env.COMPOSE_PROJECT_NAME = "${env.PROJECT_NAME}-${env.BRANCH_NAME}"
+                    env.STACK_NAME = "${env.PROJECT_NAME}-${env.BRANCH_NAME}"
 
                     if (!env.GIT_COMMITTER_EMAIL) {
                         env.COMMITTER_EMAIL = sh(
@@ -65,18 +63,21 @@ pipeline {
             }
         }
         stage('Test') {
-            when { not { anyOf {
-                branch 'test'
-                branch 'master'
-            }}}
             environment {
                 NODE_ENV = ""
-                FIREFOX_BIN = "/opt/firefox/firefox-bin"
             }
-            steps {
-                nodejs('node-lts') {
-                    sh 'jest --ci --reporters=default --reporters=jest-junit --maxWorkers=1'
-                    sh 'gulp backTestDockerOnce --junit --random'
+            parallel {
+                steps {
+                    stage('Frontend') {
+                        nodejs('node-lts') {
+                            sh 'jest --ci --reporters=default --reporters=jest-junit --maxWorkers=1'
+                        }
+                    }
+                    stage('Backend') {
+                        nodejs('node-lts') {
+                            sh 'gulp backTestDockerOnce --junit --random'
+                        }
+                    }
                 }
             }
         }
@@ -96,6 +97,7 @@ pipeline {
                 sh 'docker login --username $CREDS_USR --password $CREDS_PSW $REGISTRY'
                 sh 'docker-compose build --parallel'
                 sh 'docker-compose push'
+                sh 'docker logout $REGISTRY'
             }
         }
         stage('Deploy') {
@@ -107,27 +109,8 @@ pipeline {
                 DOCKER_TLS_VERIFY = 1
             }
             parallel {
-                stage('Host 1') {
-                    environment {
-                        DOCKER_HOST = "tcp://${env.DOCKER_HOST_1}:2376"
-                    }
-                    steps {
-                        withCredentials([dockerCert(credentialsId: 'docker', variable: 'DOCKER_CERT_PATH')]) {
-                            sh 'docker-compose pull'
-                            sh 'docker-compose up -d --scale back=2'
-                        }
-                    }
-                }
-                stage('Host 2') {
-                    environment {
-                        DOCKER_HOST = "tcp://${env.DOCKER_HOST_2}:2376"
-                    }
-                    steps {
-                        withCredentials([dockerCert(credentialsId: 'docker', variable: 'DOCKER_CERT_PATH')]) {
-                            sh 'docker-compose pull'
-                            sh 'docker-compose up -d --scale back=2'
-                        }
-                    }
+                steps {
+                    sh "docker stack deploy --compose-file docker-compose.yml ${env.STACK_NAME}"
                 }
             }
         }
@@ -147,15 +130,6 @@ pipeline {
                 sh 'db/import-changes.sh -f $NODE_ENV'
             }
         }
-        stage('Cleanup') {
-            when { anyOf {
-                branch 'test'
-                branch 'master'
-            }}
-            steps {
-                sh 'docker logout $REGISTRY'
-            }
-        }
     }
     post {
         always {
diff --git a/docker-compose.yml b/docker-compose.yml
index c0f02273e..b04ecd0fb 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,6 +10,8 @@ services:
             - ${PORT_FRONT}:80
         links:
             - back
+        deploy:
+            replicas: 3
     back:
         image: registry.verdnatura.es/salix-back:${TAG}
         restart: unless-stopped
@@ -22,3 +24,5 @@ services:
             - /containers/salix:/etc/salix
             - /mnt/storage/pdfs:/var/lib/salix/pdfs
             - /mnt/storage/dms:/var/lib/salix/dms
+        deploy:
+            replicas: 6
diff --git a/gulpfile.js b/gulpfile.js
index 06c65e451..dcb0aa6f1 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -110,17 +110,27 @@ backTestOnce.description = `Runs the backend tests once, can receive --junit arg
 
 async function backTestDockerOnce() {
     let containerId = await docker();
-    await backTestOnce();
-    if (argv['random'])
-        await execP(`docker rm -fv ${containerId}`);
+    try {
+        await backTestOnce();
+    } catch (e) {
+        throw e;
+    } finally {
+        if (argv['random'])
+            await execP(`docker rm -fv ${containerId}`);
+    }
 }
 backTestDockerOnce.description = `Runs backend tests using in site container once`;
 
 async function backTestDocker() {
     let containerId = await docker();
-    await backTest();
-    if (argv['random'])
-        await execP(`docker rm -fv ${containerId}`);
+    try {
+        await backTest();
+    } catch (e) {
+        throw e;
+    } finally {
+        if (argv['random'])
+            await execP(`docker rm -fv ${containerId}`);
+    }
 }
 backTestDocker.description = `Runs backend tests restoring fixtures first`;