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# -*- mode: ruby; coding: utf-8 -*-
#
# Copyright (C) 2012 Kouhei Sutou <kou@cozmixng.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
require "fileutils"
require "json"
require "yaml"
require "pathname"
require "racknga"
use Rack::CommonLogger
use Rack::Runtime
use Rack::ContentLength
base_dir = Pathname(__FILE__).dirname
config_file = base_dir + "config.yaml"
if config_file.exist?
options = YAML.load_file(config_file.to_s)
notifier_options = options["exception_notifier"]
notifiers = [Racknga::ExceptionMailNotifier.new(notifier_options)]
use Racknga::Middleware::ExceptionNotifier, :notifiers => notifiers
end
class GitHubPostReceiver
def initialize(env)
@request = Rack::Request.new(env)
@response = Rack::Response.new
@response.headers["Content-Type"] = "text/plain"
end
def run
process
@response.finish
end
private
def process
payload = parse_payload
return if payload.nil?
return unless rabbit_shocker_repository?(payload["repository"])
update_site if need_update_site?(payload)
update_github_post_receiver if need_update_github_post_receiver?(payload)
end
def parse_payload
payload = @request.params["payload"]
if payload.nil?
@response.status = Rack::Utils.status_code(:bad_request)
@response.write("No payload.")
return nil
end
log_payload(payload)
begin
JSON.parse(payload)
rescue JSON::ParseError
@response.status = Rack::Utils.status_code(:bad_request)
@response.write("Invalid JSON: #{$!.message}\n#{payload}")
nil
end
end
MB = 1000 * 1000
def log_payload(payload)
return if payload.bytesize > (2 * MB)
path = File.join(tmp_dir, "latest-payload.json")
File.open(path, "w") do |latest_payload_file|
latest_payload_file.print(payload)
end
end
def need_update_site?(payload)
payload["commits"].any? do |commit|
doc_directory_changed?(commit)
end
end
def need_update_github_post_receiver?(payload)
return false unless payload["repository"]["name"] == "rabbit"
payload["commits"].any? do |commit|
github_post_receiver_changed?(commit)
end
end
def rabbit_shocker_repository?(repository)
repository["owner"]["name"] == "rabbit-shocker"
end
def effected_files(commit)
files = []
files |= (commit["added"] || [])
files |= (commit["removed"] || [])
files |= (commit["modified"] || [])
files
end
def doc_directory_changed?(commit)
effected_files(commit).any? do |effected_file|
effected_file.start_with?("doc/")
end
end
def github_post_receiver_changed?(commit)
effected_files(commit).any? do |effected_file|
effected_file.start_with?("misc/github-post-receiver/")
end
end
def update_site
rake(["update", "html:publish:local"],
:log_file_name => "update-site.log")
end
def update_github_post_receiver
rake(["update", "github:post_receiver:restart"],
:log_file_name => "update-github-post-receiver.log")
end
def rake(rake_options, options={})
log_file_name = File.join(tmp_dir, options[:log_file_name] || "rake.log")
env = {
"LANG" => "ja_JP.UTF-8",
}
rake = Gem.bin_path("rake", "rake")
File.open("/dev/null") do |null|
File.open(log_file_name, "w") do |log|
options = {
:chdir => top_dir,
:in => null,
[:out, :err] => log,
}
Process.spawn(env,
"xvfb-run", Gem.ruby, rake, *rake_options,
options)
end
end
end
def top_dir
File.expand_path(File.join(File.dirname(__FILE__), "..", ".."))
end
def tmp_dir
File.expand_path(File.join(File.dirname(__FILE__), "tmp"))
end
end
receiver = lambda do |env|
receiver = GitHubPostReceiver.new(env)
receiver.run
end
run receiver
|
