add a script to build & upload postal packages

script/build_package.rb

@@ -0,0 +1,109 @@
+#!/usr/bin/env ruby
+
+# This script will build a tgz file containing a copy of Postal with the assets
+# ready to go. It will then upload the file to a web server where it can be
+# accessed for users who wish to install or upgrade their postal installations.
+#
+# This script will only be used by the Postal build manager so it's likely of
+# little use to most people.
+
+require 'rubygems'
+require 'pathname'
+require 'fileutils'
+
+ROOT = Pathname.new(File.expand_path('../../', __FILE__))
+BUILD_ROOT = Pathname.new("/tmp/postal-build")
+WC_PATH = BUILD_ROOT.join('wc')
+PACKAGE_PATH = BUILD_ROOT.join('package.tgz')
+CHANNEL = ARGV[0]
+
+unless ['beta', 'stable'].include?(CHANNEL)
+  puts "channel must be beta or stable"
+  exit 1
+end
+
+def system!(c)
+  if system(c)
+    true
+  else
+    puts "Couldn't execute #{c.inspect}"
+    exit 1
+  end
+end
+
+# Prepare our build root
+FileUtils.mkdir_p(BUILD_ROOT)
+
+# Get a brand new clean copy of the repository
+puts "\e[44;37mCloning clean repository\e[0m"
+system!("rm -rf #{WC_PATH}")
+system!("git clone #{ROOT} #{WC_PATH}")
+
+# Install bundler dependencies so we can compile assets
+puts "\e[44;37mInstalling dependencies\e[0m"
+system!("cd #{WC_PATH} && bundle install --gemfile #{WC_PATH}/Gemfile --path #{BUILD_ROOT}/vendor/bundle")
+
+# Install some configuration files
+puts "\e[44;37mInstalling configuration\e[0m"
+system!("cd #{WC_PATH} && ./bin/postal initialize-config")
+
+# Get the last commit reference for the version file
+last_commit = `git -C #{WC_PATH} log --pretty=oneline -n 1`.split(/\s+/, 2).first[0,10]
+puts "\e[34mGot latest commit was #{last_commit}\e[0m"
+
+# Read the version file for the version number so we it put it in the build
+# package filename and update the version file to include the REVISION and
+# CHANNEL for this build.
+version_file = File.read("#{WC_PATH}/lib/postal/version.rb")
+if version_file =~ /VERSION = '(.*)'/
+  version = $1.to_s
+  puts "\e[34mGot version as #{version}\e[0m"
+else
+  puts "Could not determine version from version file"
+  exit 1
+end
+version_file.gsub!("REVISION = nil", "REVISION = '#{last_commit}'")
+version_file.gsub!("CHANNEL = 'dev'", "CHANNEL = '#{channel}'")
+File.open("#{WC_PATH}/lib/postal/version.rb", 'w') { |f| f.write(version_file) }
+
+# Compile all the assets
+unless ENV['NO_ASSETS']
+  puts "\e[44;37mCompiling assets\e[0m"
+  system!("cd #{WC_PATH} && bundle exec rake assets:precompile")
+end
+
+# Remove files that shouldn't be distributed
+puts "\e[44;37mRemoving unused files\e[0m"
+system!("rm -Rf #{WC_PATH}/.git")
+system!("rm -f #{WC_PATH}/config/postal.yml")
+system!("rm -f #{WC_PATH}/config/*.cert")
+system!("rm -f #{WC_PATH}/config/*.key")
+system!("rm -f #{WC_PATH}/config/*.pem")
+system!("rm -Rf #{WC_PATH}/.bundle")
+system!("rm -Rf #{WC_PATH}/.gitignore")
+system!("rm -Rf #{WC_PATH}/tmp")
+
+# Build a new tgz file
+puts "\e[44;37mCreating build package\e[0m"
+system("tar cpzf #{PACKAGE_PATH} -C #{WC_PATH} .")
+puts "\e[32mCreated build at #{PACKAGE_PATH}\e[0m"
+
+# What's our filename? This is our filename.
+filename = "postal-#{version}-#{last_commit}.tgz"
+
+# Upload the package to the distribution server and symlink it to latest
+# for the appropriate channel.
+require 'net/ssh'
+require 'net/scp'
+Net::SSH.start("postal.atech.media") do |ssh|
+  ssh.exec!("rm -Rf /var/www/postal/packages/#{channel}/#{filename}")
+  puts "Uploading..."
+  ssh.scp.upload!(PACKAGE_PATH.to_s, "/var/www/postal/packages/#{channel}/#{filename}")
+  puts "Making latest..."
+  ssh.exec!("rm -Rf /var/www/postal/packages/#{channel}/latest.tgz")
+  ssh.exec!("ln -s /var/www/postal/packages/#{channel}/#{filename} /var/www/postal/packages/#{channel}/latest.tgz")
+end
+
+puts "\e[32mDone. Package is live at https://postal.atech.media/packages/#{channel}/latest.tgz\e[0m"
+
+# Yay. We're done.