From 42e4eaa01504dadd3ff37fce49119ae3f156b23e Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Tue, 26 Dec 2017 19:45:43 +0100
Subject: Capistrano task for uploading puma config.

---
 config/deploy/templates/puma.rb.erb      | 121 +++++++++++++++++++++++++++++++
 lib/capistrano/tasks/configure_puma.rake |  15 ++++
 2 files changed, 136 insertions(+)
 create mode 100644 config/deploy/templates/puma.rb.erb
 create mode 100644 lib/capistrano/tasks/configure_puma.rake

diff --git a/config/deploy/templates/puma.rb.erb b/config/deploy/templates/puma.rb.erb
new file mode 100644
index 0000000..abc68cc
--- /dev/null
+++ b/config/deploy/templates/puma.rb.erb
@@ -0,0 +1,121 @@
+#!/usr/bin/env puma
+
+# Original from:
+# https://gist.githubusercontent.com/thanhhh/5610668/raw/fdfe2a865c3a0afe912c8784c971ea7ca3e64cfd/puma.rb
+# Modified for heavymetal.no by Harald Eilertsen <haraldei@anduin.net>
+
+# Start Puma with next command:
+# RAILS_ENV=production bundle exec puma -C ./config/puma.rb
+
+# uncomment and customize to run in non-root path
+# ENV['RAILS_RELATIVE_URL_ROOT'] = "/suburl"
+
+application_path = '<%= fetch(:deploy_to) %>'
+
+# The directory to operate out of.
+#
+# Make it pick up the current path from capistrano deploy.
+#
+directory File.join(application_path, 'current')
+
+# Set the environment in which the rack's app will run.
+#
+# Pick it up from the app environment.
+#
+environment ENV['RACK_ENV']
+
+# Daemonize the server into the background. Highly suggest that
+# this be combined with “pidfile” and “stdout_redirect”.
+#
+# The default is “false”.
+#
+daemonize true
+
+# Store the pid of the server in the file at “path”.
+#
+pidfile "#{application_path}/shared/tmp/pids/puma.pid"
+
+# Use “path” as the file to store the server info state. This is
+# used by “pumactl” to query and control the server.
+#
+state_path "#{application_path}/shared/tmp/pids/puma.state"
+
+# Redirect STDOUT and STDERR to files specified. The 3rd parameter
+# (“append”) specifies whether the output is appended, the default is
+# “false”.
+#
+stdout_redirect "#{application_path}/shared/log/puma.stdout.log",
+    "#{application_path}/shared/log/puma.stderr.log"
+
+# Disable request logging.
+#
+# The default is “false”.
+#
+# quiet
+
+# Configure “min” to be the minimum number of threads to use to answer
+# requests and “max” the maximum.
+#
+# The default is “0, 16”.
+#
+# threads 0, 16
+
+# Bind the server to “url”. “tcp://”, “unix://” and “ssl://” are the only
+# accepted protocols.
+#
+# The default is “tcp://0.0.0.0:9292”.
+#
+# bind 'tcp://0.0.0.0:9292'
+bind "unix://#{application_path}/shared/tmp/sockets/puma.sock"
+
+# Instead of “bind 'ssl://127.0.0.1:9292?key=path_to_key&cert=path_to_cert'” you
+# can also use the “ssl_bind” option.
+#
+# ssl_bind '127.0.0.1', '9292', { key: path_to_key, cert: path_to_cert }
+
+# Code to run before doing a restart. This code should
+# close log files, database connections, etc.
+#
+# This can be called multiple times to add code each time.
+#
+# on_restart do
+#   puts 'On restart...'
+# end
+
+# Command to use to restart puma. This should be just how to
+# load puma itself (ie. 'ruby -Ilib bin/puma'), not the arguments
+# to puma, as those are the same as the original process.
+#
+# restart_command '/u/app/lolcat/bin/restart_puma'
+
+# === Cluster mode ===
+
+# How many worker processes to run.
+#
+# The default is “0”.
+#
+# workers 2
+
+# Code to run when a worker boots to setup the process before booting
+# the app.
+#
+# This can be called multiple times to add hooks.
+#
+# on_worker_boot do
+#   puts 'On worker boot...'
+# end
+
+# === Puma control rack application ===
+
+# Start the puma control rack application on “url”. This application can
+# be communicated with to control the main server. Additionally, you can
+# provide an authentication token, so all requests to the control server
+# will need to include that token as a query parameter. This allows for
+# simple authentication.
+#
+# Check out https://github.com/puma/puma/blob/master/lib/puma/app/status.rb
+# to see what the app has available.
+#
+# activate_control_app 'unix:///var/run/pumactl.sock'
+# activate_control_app 'unix:///var/run/pumactl.sock', { auth_token: '12345' }
+# activate_control_app 'unix:///var/run/pumactl.sock', { no_token: true }
diff --git a/lib/capistrano/tasks/configure_puma.rake b/lib/capistrano/tasks/configure_puma.rake
new file mode 100644
index 0000000..ccea36b
--- /dev/null
+++ b/lib/capistrano/tasks/configure_puma.rake
@@ -0,0 +1,15 @@
+# :mode=ruby:
+namespace :deploy do
+  desc 'Configure Puma'
+  task :configure_puma do
+    target_file = File.join(shared_path, 'config', 'puma.rb')
+    on roles(:app) do
+      unless test "[ -f #{target_file} ]"
+        template = ERB.new(IO.read(File.join(Dir.pwd, 'config', 'deploy', 'templates', 'puma.rb.erb')))
+        upload!(StringIO.new(template.result(binding)), target_file)
+      end
+    end
+  end
+
+  before 'deploy:finishing', 'deploy:generate_secret_token'
+end
-- 
cgit v1.2.3