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 339

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 456

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 226

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
    out = `#{cmd}`
    raise out 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 254

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
    out = `#{cmd}`
    raise out 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 205

def self.berkshelf_config knife
  ridley = Ridley::from_chef_config knife, ssl: { verify: false }
  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 524

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 514

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

.commit_to_realm?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kitchen_hooks/helpers.rb', line 529

def self.commit_to_realm? event
  repo_name(event) =~ /^realm_/
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 466

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 471

def self.cookbook_repo? event
  repo_name(event) =~ /^(app|base|realm|fork)_/
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 438

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 321

def self.get_environment environment, knife
  ridley = Ridley::from_chef_config knife, ssl: { verify: false }
  ridley.environment.find environment
end

.git_daemon_style_url(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 481

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 492

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 486

def self.gitlab_url event
  url = git_daemon_style_url(event).sub(/^git/, 'http').sub(/\.git$/, '')
  "#{url}/commit/#{event['after']}"
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 32

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 170

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'
    knives.peach do |k|
      begin
        Dir['environments/*'].each do |e|
          upload_environment e, k # Can't use the default logic, as we
                                  # maintain our own pins
        end
      rescue
        raise 'Could not upload environments'
      end
    end
  end
end

.latest_commit(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 498

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 354

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

.not_deleted?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kitchen_hooks/helpers.rb', line 519

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

.notification(entry) ⇒ Object 



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

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> #{version_link event} |
  when 'release'
    %Q| Kitchen Hooks <b>v#{event}</b> released! |
  else
    raise entry.inspect
  end.strip
end

.perform_constraint_application(event, knives) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 57

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

      environments = Dir['environments/*.json'].map { |f| File.basename f, '.json' }
      unless environments.include?(environment)
        $stderr.puts 'WARNING: No local environment: %s' % environment
        next
      end

      knives.peach do |k|
        apply_constraints constraints, environment, k
        verify_constraints constraints, environment, k
      end

      rev  = `git rev-list -1 #{environment}`.strip
      refs = `git show-ref --tags -d | grep '^#{rev}'`.lines.map(&:strip)
      tags = refs.map do |r|
        $1 if r =~ %r|refs/tags/(?<tag>.*?)\^|s
      end

      version_tag = tags.select { |t| t =~ /^v\d+/ }.shift
      event['version'] = version_tag
    end
  end

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

rescue Git::GitExecuteError
  $stderr.puts 'WARNING: Could not check out tagged commit'
  return false
end

.perform_cookbook_upload(event, knives) ⇒ Object 



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

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.map do |knife|
        tmp_root = Dir.mktmpdir
        tmp_path = File.join tmp_root, File.basename(knife, '.rb')
        FileUtils.copy_entry clone, tmp_path
        [ knife, tmp_path, tmp_root ]
      end.peach do |(knife, tmp_path, tmp_root)|
        tmp_berksfile = File.join tmp_path, 'Berksfile'
        berks_upload tmp_berksfile, knife
        FileUtils.rm_rf tmp_root
      end
    end

    Dir.chdir clone do
      $stdout.puts 'Uploading cookbook'
      begin
        with_each_knife_do "cookbook upload #{cookbook_name event} -o .. --freeze", knives
      rescue => e
        unless e.to_s =~ /frozen/i # Ignore frozen cookbooks already uploaded
          raise "Knife exited unsuccessfully: #{e}"
        end
      end

      if commit_to_realm? event
        $stdout.puts 'Uploading bundled roles, environments, and data bags'
        kitchen_upload knives
      end
    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 100

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 24

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

.push_details(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 448

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 461

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 476

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 47

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 509

def self.tag_name event
  tagged_commit event
end

.tagged_commit(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 503

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 534

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 541

def self.tagged_commit_to_realm? event
  tagged_commit_to_cookbook?(event) &&
  commit_to_realm?(event)
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 279

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

.upload_environment(environment, knife) ⇒ Object 



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

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, ssl: { verify: false }
  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 327

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

.version_link(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 552

def self.version_link event
  return unless v = event['version']
  url = version_url(event)
  'at <a href="%s">%s</a>' % [ url, v ]
end

.version_url(event) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 546

def self.version_url event
  return unless v = event['version']
  url = git_daemon_style_url(event).sub(/^git/, 'http').sub(/\.git$/, '')
  "#{url}/commits/#{v}"
end

.with_each_knife(command, knives) ⇒ Object 



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# File 'lib/kitchen_hooks/helpers.rb', line 310

def self.with_each_knife command, knives
  knives.pmap do |k|
    cmd = "#{command} 2>&1" % { knife: Shellwords::escape(k) }
    $stdout.puts 'with_each_knife: %s' % cmd
    out = `#{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 306

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 436

def generic_details e ; App.generic_details e end

#notification(e) ⇒ Object 



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

def notification e ; App.notification e end

#push_details(e) ⇒ Object 



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

def push_details e ; App.push_details e end