Errbit with Ansible

errbit.yml

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+- name: Errbit Deployment Script
+  hosts: errbit 
+  sudo: yes
+  gather_facts: False
+  vars: 
+   errbithome: /home/vagrant/errbit
+   githuburl: 'https://github.com/errbit/errbit.git'
+  roles:
+    - { role: deploy.errbit, mongo_passwd: '12345'}

files/errbit-init.sh

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+#! /bin/sh
+
+# Base on Gitlab. khairul@bukalapak.com
+
+# GITLAB
+# Maintainer: @randx
+# Authors: rovanion.luckey@gmail.com, @randx
+# App Version: 6.0
+
+### BEGIN INIT INFO
+# Provides:          gitlab
+# Required-Start:    $local_fs $remote_fs $network $syslog redis-server
+# Required-Stop:     $local_fs $remote_fs $network $syslog
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: GitLab git repository management
+# Description:       GitLab git repository management
+### END INIT INFO
+
+### Environment variables
+RAILS_ENV="production"
+
+# Script variable names should be lower-case not to conflict with internal
+# /bin/sh variables such as PATH, EDITOR or SHELL.
+app_root="/home/errbit/errbit"
+app_user="errbit"
+unicorn_conf="$app_root/config/unicorn.rb"
+pid_path="$app_root/tmp/pids"
+socket_path="$app_root/tmp/sockets"
+web_server_pid_path="$pid_path/unicorn.pid"
+
+
+### Here ends user configuration ###
+
+
+# Switch to the app_user if it is not he/she who is running the script.
+if [ "$USER" != "$app_user" ]; then
+  sudo -u "$app_user" -H -i $0 "$@"; exit;
+fi
+
+# Switch to the errbit path, if it fails exit with an error.
+if ! cd "$app_root" ; then
+ echo "Failed to cd into $app_root, exiting!";  exit 1
+fi
+
+### Init Script functions
+
+check_pids(){
+  if ! mkdir -p "$pid_path"; then
+    echo "Could not create the path $pid_path needed to store the pids."
+    exit 1
+  fi
+  # If there exists a file which should hold the value of the Unicorn pid: read it.
+  if [ -f "$web_server_pid_path" ]; then
+    wpid=$(cat "$web_server_pid_path")
+  else
+    wpid=0
+  fi
+}
+
+# We use the pids in so many parts of the script it makes sense to always check them.
+# Only after start() is run should the pids change. Sidekiq sets it's own pid.
+check_pids
+
+
+# Checks whether the different parts of the service are already running or not.
+check_status(){
+  check_pids
+  # If the web server is running kill -0 $wpid returns true, or rather 0.
+  # Checks of *_status should only check for == 0 or != 0, never anything else.
+  if [ $wpid -ne 0 ]; then
+    kill -0 "$wpid" 2>/dev/null
+    web_status="$?"
+  else
+    web_status="-1"
+  fi
+}
+
+# Check for stale pids and remove them if necessary
+check_stale_pids(){
+  check_status
+  # If there is a pid it is something else than 0, the service is running if
+  # *_status is == 0.
+  if [ "$wpid" != "0" -a "$web_status" != "0" ]; then
+    echo "Removing stale Unicorn web server pid. This is most likely caused by the web server crashing the last time it ran."
+    if ! rm "$web_server_pid_path"; then
+      echo "Unable to remove stale pid, exiting"
+      exit 1
+    fi
+  fi
+}
+
+# If no parts of the service is running, bail out.
+exit_if_not_running(){
+  check_stale_pids
+  if [ "$web_status" != "0" ]; then
+    echo "Errbit is not running."
+    exit
+  fi
+}
+
+# Starts Unicorn
+start() {
+  check_stale_pids
+
+  # Then check if the service is running. If it is: don't start again.
+  if [ "$web_status" = "0" ]; then
+    echo "The Unicorn web server already running with pid $wpid, not restarting."
+  else
+    echo "Starting the Errbit Unicorn web server..."
+    # Remove old socket if it exists
+    rm -f "$socket_path"/errbit.socket 2>/dev/null
+    # Start the webserver
+    bundle exec unicorn_rails -D -c "$unicorn_conf" -E "$RAILS_ENV"
+  fi
+
+  # Finally check the status to tell wether or not Errbit is running
+  status
+}
+
+# Asks the Unicorn if it would be so kind as to stop, if not kills them.
+stop() {
+  exit_if_not_running
+  # If the Unicorn web server is running, tell it to stop;
+  if [ "$web_status" = "0" ]; then
+    kill -QUIT "$wpid" &
+    echo "Stopping the Errbit Unicorn web server..."
+    stopping=true
+  else
+    echo "The Unicorn web was not running, doing nothing."
+  fi
+
+  # If something needs to be stopped, lets wait for it to stop. Never use SIGKILL in a script.
+  while [ "$stopping" = "true" ]; do
+    sleep 1
+    check_status
+    if [ "$web_status" = "0" ]; then
+      printf "."
+    else
+      printf "\n"
+      break
+    fi
+  done
+  sleep 1
+  # Cleaning up unused pids
+  rm "$web_server_pid_path" 2>/dev/null
+
+  status
+}
+
+# Returns the status of GitLab and it's components
+status() {
+  check_status
+  if [ "$web_status" != "0" ]; then
+    echo "Errbit is not running."
+    return
+  fi
+  if [ "$web_status" = "0" ]; then
+      echo "The Errbit Unicorn webserver with pid $wpid is running."
+  fi
+}
+
+reload(){
+  exit_if_not_running
+  if [ "$wpid" = "0" ];then
+    echo "The Errbit Unicorn Web server is not running thus its configuration can't be reloaded."
+    exit 1
+  fi
+  printf "Reloading Errbit Unicorn configuration... "
+  kill -USR2 "$wpid"
+  echo "Done."
+  sleep 2
+  status
+}
+
+restart(){
+  check_status
+  if [ "$web_status" = "0" ]; then
+    stop
+  fi
+  start
+}
+
+
+## Finally the input handling.
+
+case "$1" in
+  start)
+        start
+        ;;
+  stop)
+        stop
+        ;;
+  restart)
+        restart
+        ;;
+  reload|force-reload)
+  reload
+        ;;
+  status)
+        status
+        ;;
+  *)
+        echo "Usage: service errbit {start|stop|restart|reload|status}"
+        exit 1
+        ;;
+esac
+
+exit

files/nginx-errbit.conf

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+server {
+    listen       80;
+    server_name  _;
+    location / {
+	proxy_pass  http://127.0.0.1:3000;
+    }
+}

infrastructure.yml

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+- include: errbit.yml

roles/deploy.errbit/defaults/main.yml

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+errbithome: '/home/vagrant/errbit'
+githuburl: 'https://github.com/errbit/errbit.git'
+mongo_passwd: "12345"

roles/deploy.errbit/handlers/main.yml

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+- name: restart nginx
+  service:
+    name: mysql
+    state: restarted
+

roles/deploy.errbit/tasks/main.yml

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+- name: GIT clone errbit repository
+  git: repo={{ githuburl }} dest={{ errbithome }}
+
+- name: Install Bundler
+  command: /usr/bin/gem2.1 install bundler
+
+- name: Bundle install
+  command: /usr/local/bin/bundle install
+  args:
+    chdir: '{{ errbithome }}'
+  register: bundleout
+
+- debug: msg= '{{ bundleout.stdout }}'
+
+- name: Bundle exec
+  command: /usr/local/bin/bundle exec rake errbit:bootstrap
+  args:
+    chdir: '{{ errbithome }}'
+  environment:
+    MONGO_URL: "mongodb://errbit:{{ mongo_passwd }}@127.0.0.1:27017/admin"
+#  register: dbing
+
+#- debug: msg= '{{ dbing.stdout }}'
+
+
+- name: Copy the init script
+  - copy: src=errbit-init.sh dest=/etc/init.d/errbit-init.sh owner=root group=root mode=0755
+
+- name: Activate the init script
+  - command: /usr/sbin/update-rc.d -f errbit defaults
+  register: updatercdbg
+
+-debug: msg = '{{ updatercdbg.stdout }}'
+
+-name: Setup Nginx virtualhost
+  - copy: src=files/errbit-nginx.conf dest=/etc/nginx/sites-enabled/errbit.conf owner=root group=root mode=0755
+  - notify:
+    - restart nginx