Class: Bosh::Cli::JobBuilder

Inherits:
Object
  • Object
show all
Includes:
PackagingHelper
Defined in:
lib/cli/job_builder.rb

Instance Attribute Summary collapse

Attributes included from PackagingHelper

#dry_run

Class Method Summary collapse

Instance Method Summary collapse

Methods included from PackagingHelper

#build, #checksum, #dry_run?, #file_checksum, #final?, #generate_tarball, #init_indices, #new_version?, #notes, #older_version?, #tracked_permissions, #upload_tarball, #use_dev_version, #use_final_version

Methods included from VersionCalc

#major_version, #minor_version, #version_cmp, #version_greater, #version_less, #version_same

Constructor Details

#initialize(spec, release_dir, final, blobstore, built_packages = []) ⇒ JobBuilder

Returns a new instance of JobBuilder.



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# File 'lib/cli/job_builder.rb', line 83

def initialize(spec, release_dir, final, blobstore, built_packages = [])
  spec = load_yaml_file(spec) if spec.is_a?(String) && File.file?(spec)

  @name = spec["name"]
  @version = nil
  @tarball_path = nil
  @packages = spec["packages"].to_a
  @built_packages = built_packages.to_a
  @release_dir = release_dir
  @templates_dir = File.join(job_dir, "templates")
  @tarballs_dir = File.join(release_dir, "tmp", "jobs")
  @final = final
  @blobstore = blobstore
  @artefact_type = "job"

  case spec["templates"]
  when Hash
    @templates = spec["templates"].keys
  else
    raise InvalidJob, "Incorrect templates section in `#{@name}' " +
      "job spec (Hash expected, #{spec["properties"].class} given)"
  end

  if spec.has_key?("properties")
    if spec["properties"].is_a?(Hash)
      @properties = spec["properties"]
    else
      raise InvalidJob, "Incorrect properties section in `#{@name}' " +
        "job spec (Hash expected, #{spec["properties"].class} given)"
    end
  else
    @properties = {}
  end

  if @name.blank?
    raise InvalidJob, "Job name is missing"
  end

  if @templates.nil?
    raise InvalidJob, "Please include templates section with at least 1 " +
        "(possibly dummy) file into `#{@name}' job spec"
  end

  unless @name.bosh_valid_id?
    raise InvalidJob, "`#{@name}' is not a valid BOSH identifier"
  end

  unless File.exists?(File.join(job_dir, "spec"))
    raise InvalidJob, "Cannot find spec file for '#{name}'"
  end

  if missing_packages.size > 0
    raise InvalidJob, "Some packages required by '#{name}' job " +
        "are missing: %s" % [missing_packages.join(", ")]
  end

  if missing_templates.size > 0
    raise InvalidJob, "Some template files required by '#{name}' job " +
        "are missing: %s" % [missing_templates.join(", ")]
  end

  if extra_templates.size > 0
    raise InvalidJob, "There are unused template files for job " +
        "'#{name}': %s" % [extra_templates.join(", ")]
  end

  unless monit_files.size > 0
    raise InvalidJob, "Cannot find monit file for '#{name}'"
  end

  @dev_builds_dir = File.join(@release_dir, ".dev_builds", "jobs", @name)
  @final_builds_dir = File.join(@release_dir, ".final_builds",
                                "jobs", @name)

  FileUtils.mkdir_p(job_dir)
  FileUtils.mkdir_p(@dev_builds_dir)
  FileUtils.mkdir_p(@final_builds_dir)

  init_indices
end

Instance Attribute Details

#built_packages ⇒ Object (readonly)

Returns the value of attribute built_packages.



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# File 'lib/cli/job_builder.rb', line 7

def built_packages
  @built_packages
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/cli/job_builder.rb', line 7

def name
  @name
end

#packages ⇒ Object (readonly)

Returns the value of attribute packages.



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# File 'lib/cli/job_builder.rb', line 7

def packages
  @packages
end

#properties ⇒ Hash (readonly)

Returns Properties defined in this job.

Returns:

  • (Hash) —

    Properties defined in this job



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# File 'lib/cli/job_builder.rb', line 11

def properties
  @properties
end

#release_dir ⇒ Object (readonly)

Returns the value of attribute release_dir.



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# File 'lib/cli/job_builder.rb', line 7

def release_dir
  @release_dir
end

#tarball_path ⇒ Object (readonly)

Returns the value of attribute tarball_path.



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# File 'lib/cli/job_builder.rb', line 7

def tarball_path
  @tarball_path
end

#templates ⇒ Object (readonly)

Returns the value of attribute templates.



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# File 'lib/cli/job_builder.rb', line 7

def templates
  @templates
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/cli/job_builder.rb', line 7

def version
  @version
end

Class Method Details

.discover(directory, options = {}) ⇒ Object

Parameters:

  • directory (String) —

    Release directory

  • options (Hash) (defaults to: {}) —

    Build options



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# File 'lib/cli/job_builder.rb', line 51

def self.discover(directory, options = {})
  builders = []

  Dir[File.join(directory, "jobs", "*")].each do |job_dir|
    next unless File.directory?(job_dir)
    job_dirname = File.basename(job_dir)

    prepare_script = File.join(job_dir, "prepare")
    if File.exists?(prepare_script)
      run_prepare_script(prepare_script)
    end

    job_spec = load_yaml_file(File.join(job_dir, "spec"))
    if job_spec["name"] != job_dirname
      raise InvalidJob,
            "Found `#{job_spec["name"]}' job in " +
            "`#{job_dirname}' directory, please fix it"
    end

    final = options[:final]
    dry_run = options[:dry_run]
    blobstore = options[:blobstore]
    package_names = options[:package_names]

    builder = new(job_spec, directory, final, blobstore, package_names)
    builder.dry_run = true if dry_run
    builders << builder
  end

  builders
end

.run_prepare_script(script_path) ⇒ Object 



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# File 'lib/cli/job_builder.rb', line 13

def self.run_prepare_script(script_path)
  unless File.exists?(script_path)
    raise InvalidJob, "Prepare script at `#{script_path}' doesn't exist"
  end

  unless File.executable?(script_path)
    raise InvalidJob, "Prepare script at `#{script_path}' is not executable"
  end

  old_env = ENV

  script_dir = File.dirname(script_path)
  script_name = File.basename(script_path)

  begin
    # We need to temporarily delete some rubygems related artefacts
    # because preparation scripts shouldn't share any assumptions
    # with CLI itself
    %w{ BUNDLE_GEMFILE RUBYOPT }.each { |key| ENV.delete(key) }

    output = nil
    Dir.chdir(script_dir) do
      cmd = "./#{script_name} 2>&1"
      output = `#{cmd}`
    end

    unless $?.exitstatus == 0
      raise InvalidJob, "`#{script_path}' script failed: #{output}"
    end

    output
  ensure
    ENV.each_pair { |k, v| ENV[k] = old_env[k] }
  end
end

Instance Method Details

#all_templates ⇒ Array<String>

Returns full paths of all templates in the job (regular job templates and monit)

Returns:

  • (Array<String>) —

    Returns full paths of all templates in the job (regular job templates and monit)



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# File 'lib/cli/job_builder.rb', line 228

def all_templates
  regular_templates = @templates.map do |template|
    File.join(@templates_dir, template)
  end

  regular_templates.sort + monit_files
end

#build_dir ⇒ Object 



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# File 'lib/cli/job_builder.rb', line 192

def build_dir
  @build_dir ||= Dir.mktmpdir
end

#copy_files ⇒ Object 



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# File 'lib/cli/job_builder.rb', line 164

def copy_files
  FileUtils.mkdir_p(File.join(build_dir, "templates"))
  copied = 0

  templates.each do |template|
    src = File.join(@templates_dir, template)
    dst = File.join(build_dir, "templates", template)
    FileUtils.mkdir_p(File.dirname(dst))

    FileUtils.cp(src, dst, :preserve => true)
    copied += 1
  end

  monit_files.each do |file|
    FileUtils.cp(file, build_dir, :preserve => true)
    copied += 1
  end

  FileUtils.cp(File.join(job_dir, "spec"), File.join(build_dir, "job.MF"),
               :preserve => true)
  copied += 1
  copied
end

#dev_builds_dir ⇒ Object 



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# File 'lib/cli/job_builder.rb', line 200

def dev_builds_dir
  File.join(@release_dir, ".dev_builds", "jobs", name)
end

#final_builds_dir ⇒ Object 



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# File 'lib/cli/job_builder.rb', line 204

def final_builds_dir
  File.join(@release_dir, ".final_builds", "jobs", name)
end

#fingerprint ⇒ Object 



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# File 'lib/cli/job_builder.rb', line 208

def fingerprint
  @fingerprint ||= make_fingerprint
end

#job_dir ⇒ Object 



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# File 'lib/cli/job_builder.rb', line 196

def job_dir
  File.join(@release_dir, "jobs", @name)
end

#monit_files ⇒ Object 



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# File 'lib/cli/job_builder.rb', line 212

def monit_files
  glob = File.join(job_dir, '*.monit')
  files = Dir.glob(glob)
  monit = File.join(job_dir, "monit")
  files << monit if File.exist?(monit)
  files
end

#prepare_files ⇒ Object 



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# File 'lib/cli/job_builder.rb', line 188

def prepare_files
  File.join(job_dir, "prepare")
end

#reload ⇒ Object 



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# File 'lib/cli/job_builder.rb', line 220

def reload
  @fingerprint = nil
  @build_dir   = nil
  self
end