enhancement: Introduce continuous deployment (#199)

.travis.yml

@@ -1,27 +1,25 @@
 dist: trusty
-
 language: elixir
-
 elixir:
 - 1.4.5
-
 otp_release:
 - 20.0
-
 addons:
   postgresql: '9.4'
-
+  ssh_known_hosts: $HOST
 sudo: false
-
 services:
 - postgresql
-
 cache:
   directories:
   - sysconfcpus
   - aion/deps
   - aion/web/elm/elm-stuff/build-artifacts
 
+before_install:
+- openssl aes-256-cbc -K $encrypted_452de06ba3a9_key -iv $encrypted_452de06ba3a9_iv
+  -in .travis/id_rsa.enc -out .travis/id_rsa -d
+
 install:
 - |
   if [ ! -d sysconfcpus/bin ];
@@ -43,15 +41,22 @@ before_script:
 - mix do ecto.create, ecto.migrate
 
 script:
-- cd web/elm &&
-  ../../node_modules/elm/binwrappers/elm-package install --yes &&
-  $TRAVIS_BUILD_DIR/sysconfcpus/bin/sysconfcpus -n 2 ../../node_modules/elm/binwrappers/elm-make --yes src/App.elm &&
-  rm -rf index.html &&
-  cd ../../
+- cd web/elm && ../../node_modules/elm/binwrappers/elm-package install --yes && $TRAVIS_BUILD_DIR/sysconfcpus/bin/sysconfcpus
+  -n 2 ../../node_modules/elm/binwrappers/elm-make --yes src/App.elm && rm -rf index.html
+  && cd ../../
 - mix credo --strict
 - mix test
+- cd ..
 
 notifications:
   email: false
   slack:
     secure: 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
+
+after_success: 
+- |
+  if [[ $TRAVIS_BRANCH == 'master' ]];
+  then 
+    .travis/deploy.sh 
+  fi
+

.travis/deploy.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+eval "$(ssh-agent -s)" # Start ssh-agent cache
+chmod 600 .travis/id_rsa # Allow read access to the private key
+ssh-add .travis/id_rsa # Add the private key to SSH
+
+ssh -o "StrictHostKeyChecking no" $USER@$HOST /bin/bash <<EOF
+  source ~/.bashrc && \
+  cd $DEPLOY_DIR && \
+  git pull origin master && \
+  make deploy
+EOF

.travis/id_rsa.pub

@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCYbGhu5vsQvVWnE+3Os8gSBhJD6euduJ32z6V0XylnXnzcCuH+xBE2qklh3JyNpheBZ+ZHv98m3Y5123WysKFQSeBd2r2ykqwlqiePpddvbMteAlOXoiCGl5EzcJ5rqRrUu7teyHC/DJr1X8HGUHTIAS0HfeblfaYLJyka/YdxqnkUb1sMJcTP9u7rZyCY8Nh/EcP2Ww2h0dYVNecJKz9lsZbDT2hhgillzaKLwklQEXlUlo1LVPevcltl0XpKC6zx2jISfHY2OsABkCLY8nM6PwrOSzJd4nzPOZ5TIeouJhcYurxBW/nyIQfnaDBK32OStFez7uyHDbbmk6IvSbd9 maciej@Haven

Makefile

@@ -88,12 +88,21 @@ deploy-stop:
 deploy-start:
 	cd aion && sudo rel/aion/bin/aion start
 
+deploy-restart:
+	cd aion && sudo rel/aion/bin/aion restart
+
 deploy: ## Create a release and run the production server
-	kiex use 1.4.5 && \
 	cd aion && \
 	MIX_ENV=prod mix do deps.get, compile && \
 	npm install && \
 	brunch build --production && \
-	MIX_ENV=prod mix do phoenix.digest, release && \
-	sudo rel/aion/bin/aion start
+	MIX_ENV=prod mix phoenix.digest
+
+	# Try to shutdown running server, continue regardless
+	@-sudo ./aion/rel/aion/bin/aion stop && \
+	([ $$? -eq 0 ] && echo "Successfully stopped running server") || \
+	echo "Couldn't shut down the server, apparently it was not running"    
+
+	cd aion && MIX_ENV=prod mix release
+	sudo ./aion/rel/aion/bin/aion start