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Sat, Mar 21, 1:03 PM

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diff --git a/.rubocop.yml b/.rubocop.yml
index ab65fc2..e224bf5 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,31 +1,32 @@
AllCops:
DisplayCopNames: true
Exclude:
- 'lib/capistrano/**/*'
- 'vendor/**/*'
+ - 'unicorn.conf.rb'
Metrics/LineLength:
Max: 120
Metrics/AbcSize:
Max: 16
Documentation:
Enabled: false
Style/NegatedIf:
Enabled: false
Style/Not:
Enabled: false
Style/WordArray:
Enabled: false
Style/TrailingComma:
Enabled: false
Style/BlockDelimiters:
Enabled: false
Style/TrailingBlankLines:
Enabled: false
Style/EmptyLinesAroundClassBody:
Enabled: false
Style/EmptyLinesAroundModuleBody:
Enabled: false
Lint/HandleExceptions:
Enabled: false
diff --git a/config/deploy.rb b/config/deploy.rb
index 1ec0a16..02701fb 100644
--- a/config/deploy.rb
+++ b/config/deploy.rb
@@ -1,33 +1,23 @@
# config valid only for Capistrano 3.1
lock '3.2.1'
set :application, 'webdns'
set :repo_url, 'git@bitbucket.org:xlembouras/webns.git'
set :deploy_to, '/srv/webdns'
set :linked_files, %w(config/database.yml config/secrets.yml)
set :linked_dirs, %w(log tmp/pids tmp/cache tmp/sockets)
set :keep_releases, 5
namespace :deploy do
desc 'Restart application'
task :restart do
on roles(:app), in: :sequence, wait: 5 do
- # Your restart mechanism here, for example:
- # execute :touch, release_path.join('tmp/restart.txt')
+ execute 'sudo unicornctl respawn'
end
end
after :publishing, :restart
-
- after :restart, :clear_cache do
- on roles(:web), in: :groups, limit: 3, wait: 10 do
- # Here we can do anything such as:
- # within release_path do
- # execute :rake, 'cache:clear'
- # end
- end
- end
end
diff --git a/contrib/systemd/default_unicorn b/contrib/systemd/default_unicorn
new file mode 100644
index 0000000..108a909
--- /dev/null
+++ b/contrib/systemd/default_unicorn
@@ -0,0 +1,7 @@
+RAILS_ENV=production
+APP_ROOT=/srv/webdns/current
+UNICORN_CONFIG=/srv/webdns/current/unicorn.conf.rb
+UNICORN_LISTEN=/run/unicorn/unicorn.sock
+UNICORN_PIDFILE=/run/unicorn/unicorn.pid
+UNICORN_TIMEOUT=30
+UNICORN_WORKERS=2
diff --git a/contrib/systemd/sudo_unicorn b/contrib/systemd/sudo_unicorn
new file mode 100644
index 0000000..8ff211d
--- /dev/null
+++ b/contrib/systemd/sudo_unicorn
@@ -0,0 +1 @@
+%webdns ALL=(root) NOPASSWD:/usr/local/bin/unicornctl
diff --git a/contrib/systemd/unicorn.service b/contrib/systemd/unicorn.service
new file mode 100644
index 0000000..98babd6
--- /dev/null
+++ b/contrib/systemd/unicorn.service
@@ -0,0 +1,18 @@
+[Unit]
+Description=Unicorn Server
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+EnvironmentFile=-/etc/default/unicorn
+User=webdns
+Group=webdns
+ExecStart=/usr/bin/unicorn -c ${UNICORN_CONFIG} --env ${RAILS_ENV}
+Type=simple
+RuntimeDirectory=unicorn
+PIDFile=/run/unicorn/unicorn.pid
+KillMode=mixed
+KillSignal=SIGQUIT
+
+[Install]
+WantedBy=multi-user.target
diff --git a/contrib/systemd/unicornctl b/contrib/systemd/unicornctl
new file mode 100755
index 0000000..6e5a856
--- /dev/null
+++ b/contrib/systemd/unicornctl
@@ -0,0 +1,43 @@
+#!/bin/bash
+
+usage() {
+ echo >&2 "Usage: $0 <start|stop|status|restart|enable|disable|pid|rotate|respawn>"
+ exit 1
+}
+
+cmd="$1"; shift
+
+[ -z "${cmd}" ] && usage
+
+service="unicorn"
+sig_rotate="USR1"
+sig_respawn="USR2"
+
+get_pid() {
+ echo $(systemctl show -pMainPID $service|cut -d= -f2)
+}
+
+case "$cmd" in
+status|start|stop|restart|enable|disable)
+ exec systemctl $cmd $service
+ ;;
+rotate|respawn)
+ pid=$(get_pid)
+ if [ "${pid}" -eq 0 ]; then
+ exec systemctl start $service
+ else
+ signal="sig_${cmd}"
+ /sbin/start-stop-daemon --stop --pid "$pid" --signal "${!signal}" --quiet
+ # Wait for Main PID to change on respawn
+ while [ "${pid}" -eq $(get_pid) -a "${cmd}" = "respawn" ]; do
+ sleep 1
+ done
+ fi
+ ;;
+pid)
+ exec systemctl show -pMainPID $service|cut -d= -f2
+ ;;
+*)
+ usage
+ ;;
+esac
diff --git a/unicorn.conf.rb b/unicorn.conf.rb
new file mode 100644
index 0000000..45d2541
--- /dev/null
+++ b/unicorn.conf.rb
@@ -0,0 +1,25 @@
+listen ENV['UNICORN_LISTEN']
+working_directory ENV['APP_ROOT']
+worker_processes ENV['UNICORN_WORKERS'].to_i
+pid ENV['UNICORN_PIDFILE']
+
+preload_app true
+
+before_fork do |server, worker|
+ ActiveRecord::Base.connection.disconnect!
+
+ old_pid = "#{server.config[:pid]}.oldbin"
+ if old_pid != server.pid
+ begin
+ sig = (worker.nr + 1) >= server.worker_processes ? :QUIT : :TTOU
+ Process.kill(sig, File.read(old_pid).to_i)
+ rescue Errno::ENOENT, Errno::ESRCH
+ end
+ end
+
+ sleep 1
+end
+
+after_fork do |server, worker|
+ ActiveRecord::Base.establish_connection
+end

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