Class: KitchenHooks::App

Inherits:
Sinatra::Application
  • Object
show all
Defined in:
lib/kitchen_hooks/app.rb,
lib/kitchen_hooks/helpers.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.apply_constraints(constraints, environment, knife) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 306

def self.apply_constraints constraints, environment, knife
  # Ripped from Berkshelf::Cli::apply and Berkshelf::Lockfile::apply
  # https://github.com/berkshelf/berkshelf/blob/master/lib/berkshelf/cli.rb
  # https://github.com/berkshelf/berkshelf/blob/master/lib/berkshelf/lockfile.rb
  $stdout.puts 'started apply_constraints environment=%s, knife=%s' % [
    environment.inspect, knife.inspect
  ]
  chef_environment = get_environment environment, knife
  raise 'Could not find environment "%s"' % environment if chef_environment.nil?
  chef_environment.cookbook_versions = constraints
  chef_environment.save
  $stdout.puts 'finished apply_constraints: %s' % environment
end

.author(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 421

def self.author event
  event['user_name']
end

.backlog! ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 38

def self.backlog!
  @@backlog = Queue.new
  @@backlog_worker = Thread.new do
    loop do
      event = @@backlog.shift
      App.process event
    end
  end
end

.berks_install(berksfile, knife = nil) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 194

def self.berks_install berksfile, knife=nil
  $stdout.puts 'started berks_install berksfile=%s' % berksfile.inspect
  env_git_dir = ENV.delete 'GIT_DIR'
  env_git_work_tree = ENV.delete 'GIT_WORK_TREE'

  knife_args = if knife
    '--config %s' % Shellwords::escape(berkshelf_config knife)
  end

  cmd = 'berks install --debug --berksfile %s %s 2>&1' % [
    Shellwords::escape(berksfile), knife_args
  ]
  begin
    $stdout.puts "berks_install: %s" % cmd
    system cmd
    raise unless $?.exitstatus.zero?
  rescue
    raise 'Could not perform berks_install with config %s' % [
      berksfile.inspect
    ]
  end

  ENV['GIT_DIR'] = env_git_dir
  ENV['GIT_WORK_TREE'] = env_git_work_tree
  $stdout.puts 'finished berks_install: %s' % berksfile
end

.berks_upload(berksfile, knife, options = {}) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 222

def self.berks_upload berksfile, knife, options={}
  $stdout.puts 'started berks_upload berksfile=%s, knife=%s' % [
    berksfile.inspect, knife.inspect
  ]
  config_path = berkshelf_config(knife)

  cmd = 'berks upload --debug --berksfile %s --config %s 2>&1' % [
    Shellwords::escape(berksfile), Shellwords::escape(config_path)
  ]

  begin
    $stdout.puts "berks_upload: %s" % cmd
    system cmd
    raise unless $?.exitstatus.zero?
  rescue
    raise 'Could not perform berks_upload with config %s, knife %s' % [
      berksfile.inspect, knife.inspect
    ]
  end

  FileUtils.rm_rf config_path
  $stdout.puts 'finished berks_upload: %s' % berksfile
end

.berkshelf_config(knife) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 173

def self.berkshelf_config knife
  ridley = Ridley::from_chef_config knife
  config = {
    chef: {
      node_name: ridley.client_name,
      client_key: ridley.client_key,
      chef_server_url: ridley.server_url
    },
    ssl: {
      verify: false
    }
  }
  $stdout.puts 'Berkshelf config: %s' % JSON::pretty_generate(config)
  config_path = File.join tmp, "#{SecureRandom.hex}-berkshelf.json"
  File.open(config_path, 'w') do |f|
    f.puts JSON::generate(config)
  end
  return config_path
end

.close! ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 31

def self.close!
  @@sync_worker.kill if defined? @@sync_worker
  @@backlog_worker.kill
  @@db.flush
  @@db.close
end

.commit_to_kitchen?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kitchen_hooks/helpers.rb', line 489

def self.commit_to_kitchen? event
  repo_name(event) == 'kitchen' && not_deleted?(event)
end

.commit_to_master?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kitchen_hooks/helpers.rb', line 479

def self.commit_to_master? event
  event['ref'] == 'refs/heads/master'
end

.config!(config) ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 59

def self.config! config
  $stderr.puts 'ENV: %s' % JSON::pretty_generate(ENV.to_hash)
  @@config = config
  @@hipchat = nil
  if config['hipchat']
    @@hipchat = HipChat::Client.new config['hipchat']['token']
    @@hipchat_nick = config['hipchat']['nick'] || raise('No HipChat "nick" provided')
    @@hipchat_room = config['hipchat']['room'] || raise('No HipChat "room" provided')
  end
  @@knives = config['knives'].map do |_, knife|
    Pathname.new(knife).expand_path.realpath.to_s
  end
  @@sync_interval = config['sync_interval']
end

.cookbook_name(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 431

def self.cookbook_name event
  repo_name(event).sub /^(app|base|realm|fork)_/, 'bjn_'
end

.cookbook_repo?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kitchen_hooks/helpers.rb', line 436

def self.cookbook_repo? event
  repo_name(event) =~ /^(app|base|realm|fork)_/
end

.db ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 111

def self.db ; @@db end

.db!(path = @@db_path) ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 20

def self.db! path=@@db_path
  if defined? @@db
    @@db.flush
    @@db.close
  end
  @@db_path = path
  @@db = Daybreak::DB.new path
end

.generic_details(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 403

def self.generic_details event
  return if event.nil?
  %Q|
    <i>#{author(event)}</i> pushed #{push_details(event)}
  |.strip
end

.get_environment(environment, knife) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 288

def self.get_environment environment, knife
  ridley = Ridley::from_chef_config knife
  ridley.environment.find environment
end

.git_daemon_style_url(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 446

def self.git_daemon_style_url event
  event['repository']['url'].sub(':', '/').sub('@', '://')
end

.gitlab_tag_url(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 457

def self.gitlab_tag_url event
  url = git_daemon_style_url(event).sub(/^git/, 'http').sub(/\.git$/, '')
  "#{url}/commits/#{tag_name(event)}"
end

.gitlab_url(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 451

def self.gitlab_url event
  url = git_daemon_style_url(event).sub(/^git/, 'http').sub(/\.git$/, '')
  "#{url}/commit/#{event['after']}"
end

.hipchat(message, color) ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 117

def self.hipchat message, color
  return if @@hipchat.nil?
  @@hipchat[@@hipchat_room].send @@hipchat_nick, message, \
    color: color, notify: false, message_format: 'html'
end

.humanize_seconds(secs) ⇒ Object

stackoverflow.com/questions/4136248/how-to-generate-a-human-readable-time-range-using-ruby-on-rails



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# File 'lib/kitchen_hooks/helpers.rb', line 30

def self.humanize_seconds secs
  [
    [ 60, :seconds ],
    [ 60, :minutes ],
    [ 24, :hours ],
    [ 1000, :days ]
  ].map { |count, name|
    if secs > 0
      secs, n = secs.divmod(count)
      "#{n.to_i} #{name}"
    end
  }.compact.reverse.join(' ')
end

.kitchen_upload(knives) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 139

def self.kitchen_upload knives
  if Dir.exist? 'data_bags'
    $stdout.puts 'Uploading data_bags'
    begin
      with_each_knife_do 'upload data_bags --chef-repo-path .', knives
    rescue
      raise 'Could not upload data bags'
    end
  end

  if Dir.exist? 'roles'
    $stdout.puts 'Uploading roles'
    begin
      with_each_knife_do 'upload roles --chef-repo-path .', knives
    rescue
      raise 'Could not upload roles'
    end
  end

  if Dir.exist? 'environments'
    $stdout.puts 'Uploading environments'
    Dir['environments/*'].each do |e|
      knives.each do |k|
        begin
          upload_environment e, k
        rescue
          raise 'Could not upload environments'
        end
      end
    end
  end
end

.knives ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 115

def self.knives ; @@knives ||= [] end

.latest_commit(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 463

def self.latest_commit event
  event['commits'].last['id']
end

.lockfile_constraints(lockfile_path) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 321

def self.lockfile_constraints lockfile_path
  # Ripped from Berkshelf::Cli::apply and Berkshelf::Lockfile::apply
  # https://github.com/berkshelf/berkshelf/blob/master/lib/berkshelf/cli.rb
  # https://github.com/berkshelf/berkshelf/blob/master/lib/berkshelf/lockfile.rb
  lockfile = Berkshelf::Lockfile.from_file lockfile_path
  constraints = lockfile.graph.locks.inject({}) do |hash, (name, dependency)|
    hash[name] = "= #{dependency.locked_version.to_s}"
    hash
  end
  $stdout.puts 'constraints: %s -> %s' % [ lockfile_path, constraints ]
  return constraints
end

.mark(event, type, error = nil) ⇒ Object

error == nil => success error == true => success error == false => nop otherwise => failure



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# File 'lib/kitchen_hooks/app.rb', line 139

def self.mark event, type, error=nil
  return if error == false
  error = nil if error == true
  entry = { type: type, event: event }
  entry.merge!(error: error, type: 'failure') if error
  db.lock do
    db[Time.now.to_f] = entry
  end
  db.flush
  $stderr.puts '*********************************************'
  $stderr.puts '#############################################'
  $stderr.puts 'MARK "%s": event=%s error=%s' % [
    type, event.inspect, error.inspect
  ]
  $stderr.puts '#############################################'
  $stderr.puts '*********************************************'
  notify entry
end

.not_deleted?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kitchen_hooks/helpers.rb', line 484

def self.not_deleted? event
  event['after'] != '0000000000000000000000000000000000000000'
end

.notification(entry) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 370

def self.notification entry
  return entry[:error] if entry[:error]
  event = entry[:event]

  case entry[:type]
  when 'synced', 'unsynced'
    if event.is_a? String
      event
    else
      num_deletions = event[:num_deletions].to_i
      deletions = '%s, ' % pluralize(num_deletions, 'deletion')
      deletions = '' unless num_deletions > 0
      'Synced <b>%d</b> of <b>%d</b> nodes (%s%s elapsed)' % [
        event[:num_successes],
        event[:num_nodes],
        deletions,
        humanize_seconds(event[:elapsed])
      ]
    end
  when 'kitchen upload'
    %Q| <i>#{author(event)}</i> updated <a href="#{gitlab_url(event)}">the Kitchen</a> |
  when 'cookbook upload'
    %Q| <i>#{author(event)}</i> released <a href="#{gitlab_tag_url(event)}">#{tag_name(event)}</a> of <a href="#{gitlab_url(event)}">#{cookbook_name(event)}</a> |
  when 'constraint application'
    %Q| <i>#{author(event)}</i> constrained <a href="#{gitlab_tag_url(event)}">#{tag_name(event)}</a> with <a href="#{gitlab_url(event)}">#{cookbook_name(event)}</a> |
  when 'release'
    %Q| Kitchen Hooks <b>v#{event}</b> released! |
  end.strip
end

.notify(entry) ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 124

def self.notify entry
  color = case entry[:type]
  when 'failure' ; 'red'
  when 'release' ; 'purple'
  when 'unsynced' ; 'yellow'
  else ; 'green'
  end
  hipchat notification(entry), color
end

.perform_constraint_application(event, knives) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 55

def self.perform_constraint_application event, knives
  $stdout.puts 'started perform_constraint_application event=%s, knives=%s' % [
    event['after'], knives.inspect
  ]

  tmp_clone event, :tagged_commit do |clone|
    Dir.chdir clone do

      $stdout.puts 'Applying constraints'
      constraints = lockfile_constraints 'Berksfile.lock'
      environment = tag_name event
      knives.each do |k|
        apply_constraints constraints, environment, k
        verify_constraints constraints, environment, k
      end

    end
  end

  $stdout.puts "finished perform_constraint_application: #{event['after']}"
  return # no error
end

.perform_cookbook_upload(event, knives) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 96

def self.perform_cookbook_upload event, knives
  $stdout.puts 'started perform_cookbook_upload event=%s, knives=%s' % [
    event['after'], knives.inspect
  ]

  tmp_clone event, :tagged_commit do |clone|
    tagged_version = tag_name(event).delete('v')
    cookbook_version = File.read(File.join(clone, 'VERSION')).strip
    unless tagged_version == cookbook_version
      raise 'Tagged version does not match cookbook version'
    end

    berksfile = File.join clone, 'Berksfile'

    if File.exist? berksfile
      $stdout.puts 'Uploading dependencies'
      berks_install berksfile
      knives.each do |knife|
        berks_upload berksfile, knife
      end
    end

    Dir.chdir clone do
      $stdout.puts 'Uploading cookbook'
      begin
        outs = with_each_knife_do "cookbook upload #{cookbook_name event} -o .. --freeze", knives
      rescue
        unless outs =~ /is frozen/ # Ignore frozen cookbooks already uploaded
          raise 'Knife exited unsuccessfully. Check out the Kitchen Hooks logs.'
        end
      end

      $stdout.puts 'Uploading bundled roles, environments, and data bags'
      kitchen_upload knives
    end
  end

  $stdout.puts "finished cookbook_upload: #{event['after']}"
  return # no error
end

.perform_kitchen_upload(event, knives) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 79

def self.perform_kitchen_upload event, knives
  return false unless commit_to_master?(event)
  $stdout.puts 'started perform_kitchen_upload event=%s, knives=%s' % [
    event['after'], knives.inspect
  ]

  tmp_clone event, :latest_commit do |clone|
    Dir.chdir clone do
      kitchen_upload knives
    end
  end

  $stdout.puts "finished perform_kitchen_upload: #{event['after']}"
  return # no error
end

.pluralize(n, singular, plural = nil) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 22

def self.pluralize n, singular, plural=nil
  plural = "#{singular}s" if plural.nil?
  return "no #{plural}" if n.zero?
  return "1 #{singular}" if n == 1
  "#{n} #{plural}"
end

.process(event) ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 179

def self.process event
  if event.nil? # JSON parse failed
    mark event, 'failure', 'Could not parse WebHook payload'
    return
  end

  if commit_to_kitchen?(event)
    possible_error = begin
      perform_kitchen_upload event, knives
    rescue Exception => e
      report_error e, 'Could not perform kitchen upload: <i>%s</i>' % e.message.lines.first
    end
    mark event, 'kitchen upload', possible_error
  end

  if tagged_commit_to_cookbook?(event) &&
     tag_name(event) =~ /^v\d+/ # Cookbooks tagged with a version
    possible_error = begin
      perform_cookbook_upload event, knives
    rescue Exception => e
      report_error e, 'Could not perform cookbook upload: <i>%s</i>' % e.message.lines.first
    end
    mark event, 'cookbook upload', possible_error
  end

  if tagged_commit_to_realm?(event) &&
     tag_name(event) =~ /^bjn_/ # Realms tagged with an environment
    possible_error = begin
      perform_constraint_application event, knives
    rescue Exception => e
      report_error e, 'Could not apply constraints: <i>%s</i>' % e.message.lines.first
    end
    mark event, 'constraint application', possible_error
  end
end

.process_release(version = KitchenHooks::VERSION) ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 159

def self.process_release version=KitchenHooks::VERSION
  return if db['meta_version'] == version
  db.lock do
    db.set! 'meta_version', version
  end
  mark version, 'release'
end

.process_sync ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 168

def self.process_sync
  db!
  sync_servers = SyncServers.new knives
  sync = sync_servers.status
  puts 'Sync completed'
  sync_tag = sync[:num_failures].zero? ? 'synced' : 'unsynced'
  mark sync, sync_tag
  db!
end

.push_details(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 413

def self.push_details event
  return if event.nil?
  %Q|
    <a href="#{gitlab_url(event)}">#{event['after']}</a> to <a href="#{repo_url(event)}">#{repo_name(event)}</a>
  |.strip
end

.repo_name(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 426

def self.repo_name event
  File::basename event['repository']['url'], '.git'
end

.repo_url(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 441

def self.repo_url event
  git_daemon_style_url(event).sub(/^git/, 'http').sub(/\.git$/, '')
end

.report_error(e, msg = nil) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 45

def self.report_error e, msg=nil
  msg = e.message if msg.nil?
  $stdout.puts msg
  $stdout.puts e.message
  $stdout.puts e.backtrace.inspect
  msg
end

.sync! ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 48

def self.sync!
  return if @@sync_interval.nil?
  @@sync_worker = Thread.new do
    loop do
      sleep @@sync_interval
      process_sync
    end
  end
end

.tag_name(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 474

def self.tag_name event
  tagged_commit event
end

.tagged_commit(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 468

def self.tagged_commit event
  event['ref'] =~ %r{/tags/(.*)$}
  return $1 # First regex capture
end

.tagged_commit_to_cookbook?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kitchen_hooks/helpers.rb', line 494

def self.tagged_commit_to_cookbook? event
  cookbook_repo?(event) &&
  event['ref'] =~ %r{/tags/} &&
  not_deleted?(event)
end

.tagged_commit_to_realm?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kitchen_hooks/helpers.rb', line 501

def self.tagged_commit_to_realm? event
  tagged_commit_to_cookbook?(event) &&
  repo_name(event) =~ /^realm_/
end

.tmp ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 113

def self.tmp ; @@tmp ||= '/tmp' end

.tmp!(dir) ⇒ Object 



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# File 'lib/kitchen_hooks/app.rb', line 29

def self.tmp! dir ; @@tmp = dir end

.tmp_clone(event, commit_method) {|dir| ... } ⇒ Object

Yields:

  • (dir) 


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# File 'lib/kitchen_hooks/helpers.rb', line 247

def self.tmp_clone event, commit_method, &block
  $stdout.puts 'starting tmp_clone event=%s, commit_method=%s' % [
    event['after'], commit_method.inspect
  ]

  root = File::join tmp, SecureRandom.hex
  dir = File::join root, Time.now.to_f.to_s, cookbook_name(event)
  FileUtils.mkdir_p dir

  repo = Git.clone git_daemon_style_url(event), dir, log: $stdout

  commit = self.send(commit_method, event)

  $stdout.puts 'creating tmp_clone dir=%s, commit=%s' % [
    dir.inspect, commit.inspect
  ]

  repo.checkout commit

  yield dir

  FileUtils.rm_rf root
  $stdout.puts 'finished tmp_clone'
end

.upload_environment(environment, knife) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 335

def self.upload_environment environment, knife
  $stdout.puts 'started upload_environment environment=%s, knife=%s' % [
    environment.inspect, knife.inspect
  ]
  # Load the local environment from a JSON file
  local_environment = JSON::parse File.read(environment)
  local_environment.delete 'chef_type'
  local_environment.delete 'json_class'
  local_environment.delete 'cookbook_versions'

  # Load existing environment object on Chef server
  Celluloid.logger = nil
  ridley = Ridley::from_chef_config knife
  chef_environment = ridley.environment.find(local_environment['name'])

  # Create environment object if it doesn't exist
  if chef_environment.nil?
    chef_environment = ridley.environment.create(local_environment)
  end

  # Merge the local environment into the existing object
  local_environment.each do |k, v|
    chef_environment.send "#{k}=".to_sym, v
  end

  # Make it so!
  chef_environment.save
  $stdout.puts 'finished upload_environment: %s' % environment
rescue
  raise 'Could not upload environment, check your syntax'
end

.verify_constraints(constraints, environment, knife) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 294

def self.verify_constraints constraints, environment, knife
  $stdout.puts 'started verify_constraints environment=%s, knife=%s' % [
    environment.inspect, knife.inspect
  ]
  chef_environment = get_environment environment, knife
  unless constraints == chef_environment.cookbook_versions
    raise 'Environment did not match constraints'
  end
  $stdout.puts 'finished verify_constraints: %s' % environment
end

.with_each_knife(command, knives) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 277

def self.with_each_knife command, knives
  knives.map do |k|
    cmd = "#{command} 2>&1" % { knife: Shellwords::escape(k) }
    $stdout.puts 'with_each_knife: %s' % cmd
    out = system cmd
    raise out unless $?.exitstatus.zero?
    out
  end
end

.with_each_knife_do(command, knives) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 273

def self.with_each_knife_do command, knives
  with_each_knife "knife #{command} --config %{knife}", knives
end

Instance Method Details

#generic_details(e) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 401

def generic_details e ; App.generic_details e end

#notification(e) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 368

def notification e ; App.notification e end

#push_details(e) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 411

def push_details e ; App.push_details e end