Docker compose and sudo installation (with dependencies) during image build + containers restart when notified

Author: Michal Gil

build/config-follower/install.sh

@@ -9,5 +9,16 @@ run /pd_build/release.sh
 run rm -r /etc/service/cron
 run rm -r /etc/service/sshd && rm /etc/my_init.d/00_regen_ssh_host_keys.sh
 
+# Docker compose inside the container
+# Dependencies
+run apt-get update
+run apt-get install -y sudo curl python-dev libffi-dev gcc libc-dev make
+# Docker-compose download and preparation
+run sudo curl -L "https://github.com/docker/compose/releases/download/1.26.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
+run sudo chmod +x /usr/local/bin/docker-compose
+run sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
+# To disable password prompt for sudo
+echo "app ALL = NOPASSWD: /usr/local/bin/docker-compose, /usr/bin/docker-compose" > /etc/sudoers.d/docker-compose
+
 # Clean up after ourselves.
 run /pd_build/finalize.sh

src/routes/notify.js

@@ -2,6 +2,8 @@
 
 import type Application from '../app';
 const logger = require('../utils/logging').getLogger('notify');
+const child_process = require('child_process');
+const fs = require('fs');
 
 module.exports = function (expressApp: express$Application, app: Application) {
 
@@ -10,7 +12,28 @@ module.exports = function (expressApp: express$Application, app: Application) {
     app.fetchConfig()
       .then((filesWritten) => {
         res.send({files: filesWritten});
+        restartPryvContainers();
       })
       .catch(next);
   });
+
+  function restartPryvContainers() {
+    const fileLoc = '/app/pryv/pryv.yml';
+    if(fs.existsSync(fileLoc)) {
+        try {
+            child_process.execSync(`sudo docker-compose -f ${fileLoc} down`);
+        }
+        catch(e) {
+            console.error('Error during stopping runnning containers', e)
+        }
+        try {
+            child_process.execSync(`sudo docker-compose -f ${fileLoc} up -d`);
+        }
+        catch(e) {
+            console.error('Error during starting stopped containers', e)
+        }
+    } else {
+      console.error(`Docker compose file: ${fileLoc} does not exist`)
+    }
+  }
 };