Class: CIJoe

Inherits:
Object
  • Object
show all
Defined in:
lib/cijoe.rb,
lib/cijoe/build.rb,
lib/cijoe/commit.rb,
lib/cijoe/config.rb,
lib/cijoe/server.rb,
lib/cijoe/version.rb,
lib/cijoe/campfire.rb

Defined Under Namespace

Modules: Campfire Classes: Build, Commit, Config, Server

Constant Summary collapse

Version = 
VERSION = "0.8.1"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(project_path) ⇒ CIJoe

Returns a new instance of CIJoe.



26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/cijoe.rb', line 26

def initialize(project_path)
  @project_path = File.expand_path(project_path)

  @user, @project = git_user_and_project
  @url = "http://github.com/#{@user}/#{@project}"

  @last_build = nil
  @current_build = nil

  trap("INT") { stop }
end

Instance Attribute Details

#current_build ⇒ Object (readonly)

Returns the value of attribute current_build.



24
25
26
 
# File 'lib/cijoe.rb', line 24

def current_build
  @current_build
end

#last_build ⇒ Object (readonly)

Returns the value of attribute last_build.



24
25
26
 
# File 'lib/cijoe.rb', line 24

def last_build
  @last_build
end

#project ⇒ Object (readonly)

Returns the value of attribute project.



24
25
26
 
# File 'lib/cijoe.rb', line 24

def project
  @project
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



24
25
26
 
# File 'lib/cijoe.rb', line 24

def url
  @url
end

#user ⇒ Object (readonly)

Returns the value of attribute user.



24
25
26
 
# File 'lib/cijoe.rb', line 24

def user
  @user
end

Instance Method Details

#build(branch = nil) ⇒ Object

run the build but make sure only one is running at a time (if new one comes in we will park it)



92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
 
# File 'lib/cijoe.rb', line 92

def build(branch=nil)
  if building?
    # only if switched on to build all incoming requests
    if !repo_config.buildallfile.to_s.empty?
      # and there is no previous request
      return if File.exist?(repo_config.buildallfile.to_s)
      # we will mark awaiting builds
      FileUtils.touch(repo_config.buildallfile.to_s)
    end
    # leave anyway because a current build runs
    return
  end
  @current_build = Build.new(@project_path, @user, @project)
  write_build 'current', @current_build
  Thread.new { build!(branch) }
end

#build!(branch = nil) ⇒ Object

update git then run the build



124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
 
# File 'lib/cijoe.rb', line 124

def build!(branch=nil)
  @git_branch = branch
  build = @current_build
  output = ''
  git_update
  build.sha = git_sha
  write_build 'current', build

  open_pipe("cd #{@project_path} && #{runner_command} 2>&1") do |pipe, pid|
    puts "#{Time.now.to_i}: Building #{build.short_sha}: pid=#{pid}"

    build.pid = pid
    write_build 'current', build
    output = pipe.read
  end

  Process.waitpid(build.pid, 1)
  status = $?.exitstatus.to_i
  @current_build = build
  puts "#{Time.now.to_i}: Built #{build.short_sha}: status=#{status}"

  status == 0 ? build_worked(output) : build_failed('', output)
rescue Object => e
  puts "Exception building: #{e.message} (#{e.class})"
  build_failed('', e.to_s)
end

#build_failed(output, error) ⇒ Object

build callbacks



61
62
63
64
 
# File 'lib/cijoe.rb', line 61

def build_failed(output, error)
  finish_build :failed, "#{error}\n\n#{output}"
  run_hook "build-failed"
end

#build_worked(output) ⇒ Object 



66
67
68
69
 
# File 'lib/cijoe.rb', line 66

def build_worked(output)
  finish_build :worked, output
  run_hook "build-worked"
end

#building? ⇒ Boolean

is a build running?

Returns:

  • (Boolean) 


39
40
41
 
# File 'lib/cijoe.rb', line 39

def building?
  !!@current_build
end

#finish_build(status, output) ⇒ Object 



71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
 
# File 'lib/cijoe.rb', line 71

def finish_build(status, output)
  @current_build.finished_at = Time.now
  @current_build.status = status
  @current_build.output = output
  @last_build = @current_build

  @current_build = nil
  write_build 'current', @current_build
  write_build 'last', @last_build
  @last_build.notify if @last_build.respond_to? :notify

  # another build waits
  if !repo_config.buildallfile.to_s.empty? && File.exist?(repo_config.buildallfile.to_s)
    # clean out before new build
    FileUtils.rm(repo_config.buildallfile.to_s)
    build
  end
end

#git_branch ⇒ Object 



170
171
172
173
174
 
# File 'lib/cijoe.rb', line 170

def git_branch
  return @git_branch if @git_branch
  branch = repo_config.branch.to_s
  @git_branch = branch == '' ? "master" : branch
end

#git_sha ⇒ Object 



157
158
159
 
# File 'lib/cijoe.rb', line 157

def git_sha
  `cd #{@project_path} && git rev-parse origin/#{git_branch}`.chomp
end

#git_update ⇒ Object 



161
162
163
164
 
# File 'lib/cijoe.rb', line 161

def git_update
  `cd #{@project_path} && git fetch origin && git reset --hard origin/#{git_branch}`
  run_hook "after-reset"
end

#git_user_and_project ⇒ Object 



166
167
168
 
# File 'lib/cijoe.rb', line 166

def git_user_and_project
  Config.remote(@project_path).origin.url.to_s.chomp('.git').split(':')[-1].split('/')[-2, 2]
end

#open_pipe(cmd) {|read, pid| ... } ⇒ Object

Yields:



109
110
111
112
113
114
115
116
117
118
119
120
121
 
# File 'lib/cijoe.rb', line 109

def open_pipe(cmd)
  read, write = IO.pipe

  pid = fork do
    read.close
    $stdout.reopen write
    exec cmd
  end

  write.close

  yield read, pid
end

#path_in_project(path) ⇒ Object 



210
211
212
 
# File 'lib/cijoe.rb', line 210

def path_in_project(path)
  File.join(@project_path, path)
end

#pid ⇒ Object

the pid of the running child process



44
45
46
 
# File 'lib/cijoe.rb', line 44

def pid
  building? and current_build.pid
end

#read_build(name) ⇒ Object

load build info from file.



230
231
232
 
# File 'lib/cijoe.rb', line 230

def read_build(name)
  Build.load(path_in_project(".git/builds/#{name}"), @project_path)
end

#repo_config ⇒ Object 



225
226
227
 
# File 'lib/cijoe.rb', line 225

def repo_config
  Config.cijoe(@project_path)
end

#restore ⇒ Object

restore current / last build state from disk.



199
200
201
202
203
204
205
206
207
208
 
# File 'lib/cijoe.rb', line 199

def restore
  @last_build = read_build('last')
  @current_build = read_build('current')

  Process.kill(0, @current_build.pid) if @current_build && @current_build.pid
rescue Errno::ESRCH
  # build pid isn't running anymore. assume previous
  # server died and reset.
  @current_build = nil
end

#run_hook(hook) ⇒ Object

massage our repo



177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
 
# File 'lib/cijoe.rb', line 177

def run_hook(hook)
  if File.exists?(file=path_in_project(".git/hooks/#{hook}")) && File.executable?(file)
    data =
      if @last_build && @last_build.commit
        {
          "MESSAGE" => @last_build.commit.message,
          "AUTHOR" => @last_build.commit.author,
          "SHA" => @last_build.commit.sha,
          "OUTPUT" => @last_build.env_output
        }
      else
        {}
      end

    data.each{ |k, v| ENV[k] = v }
    ret = `cd #{@project_path} && sh #{file}`
    data.each{ |k, v| ENV[k] = nil }
    ret
  end
end

#runner_command ⇒ Object

shellin’ out



152
153
154
155
 
# File 'lib/cijoe.rb', line 152

def runner_command
  runner = repo_config.runner.to_s
  runner == '' ? "rake -s test:units" : runner
end

#stop ⇒ Object

kill the child and exit



49
50
51
52
53
54
55
56
57
58
 
# File 'lib/cijoe.rb', line 49

def stop
  # another build waits
  if !repo_config.buildallfile.to_s.empty? && File.exist?(repo_config.buildallfile.to_s)
    # clean out on stop
    FileUtils.rm(repo_config.buildallfile.to_s)
  end

  Process.kill(9, pid) if pid
  exit!
end

#write_build(name, build) ⇒ Object

write build info for build to file.



215
216
217
218
219
220
221
222
223
 
# File 'lib/cijoe.rb', line 215

def write_build(name, build)
  filename = path_in_project(".git/builds/#{name}")
  Dir.mkdir path_in_project('.git/builds') unless File.directory?(path_in_project('.git/builds'))
  if build
    build.dump filename
  elsif File.exist?(filename)
    File.unlink filename
  end
end