Class: Bosh::Cli::ReleaseCompiler

Inherits:
Object
  • Object
show all
Defined in:
lib/cli/release_compiler.rb

Overview

Compiles release tarball based on manifest

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(manifest_file, blobstore, package_matches = [], release_dir = nil) ⇒ ReleaseCompiler

Returns a new instance of ReleaseCompiler.

Parameters:

  • manifest_file (String) —

    Release manifest path

  • blobstore (Bosh::Blobstore::Client) —

    Blobstore client

  • package_matches (Array) (defaults to: []) —

    List of package checksums that director can match

  • release_dir (String) (defaults to: nil) —

    Release directory



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# File 'lib/cli/release_compiler.rb', line 18

def initialize(manifest_file, blobstore,
               package_matches = [], release_dir = nil)

  @blobstore = blobstore
  @release_dir = release_dir || Dir.pwd
  @manifest_file = File.expand_path(manifest_file, @release_dir)
  @tarball_path = nil

  @build_dir = Dir.mktmpdir
  @jobs_dir = File.join(@build_dir, "jobs")
  @packages_dir = File.join(@build_dir, "packages")

  @package_matches = Set.new(package_matches)

  FileUtils.mkdir_p(@jobs_dir)
  FileUtils.mkdir_p(@packages_dir)

  @manifest = load_yaml_file(manifest_file)

  @name = @manifest["name"]
  @version = @manifest["version"]
  @packages = @manifest["packages"].map { |pkg| OpenStruct.new(pkg) }
  @jobs = @manifest["jobs"].map { |job| OpenStruct.new(job) }
end

Instance Attribute Details

#tarball_path ⇒ Object 



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# File 'lib/cli/release_compiler.rb', line 99

def tarball_path
  @tarball_path || File.join(File.dirname(@manifest_file),
                             "#{@name}-#{@version}.tgz")
end

Class Method Details

.compile(manifest_file, blobstore) ⇒ Object 



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# File 'lib/cli/release_compiler.rb', line 9

def self.compile(manifest_file, blobstore)
  new(manifest_file, blobstore).compile
end

Instance Method Details

#compile ⇒ Object 



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# File 'lib/cli/release_compiler.rb', line 43

def compile
  if exists?
    quit("You already have this version in `#{tarball_path.make_green}'")
  end

  FileUtils.cp(@manifest_file,
               File.join(@build_dir, "release.MF"),
               :preserve => true)

  header("Copying packages")
  @packages.each do |package|
    say("#{package.name} (#{package.version})".ljust(30), " ")
    if remote_package_exists?(package)
      say("SKIP".make_yellow)
      next
    end
    package_filename = find_package(package)
    if package_filename.nil?
      err("Cannot find package `#{package.name} (#{package.version})'")
    end
    FileUtils.cp(package_filename,
                 File.join(@packages_dir, "#{package.name}.tgz"),
                 :preserve => true)
  end

  header("Copying jobs")
  @jobs.each do |job|
    say("#{job.name} (#{job.version})".ljust(30), " ")
    if remote_job_exists?(job)
      say("SKIP".make_yellow)
      next
    end
    job_filename = find_job(job)
    if job_filename.nil?
      err("Cannot find job `#{job.name} (#{job.version})")
    end
    FileUtils.cp(job_filename,
                 File.join(@jobs_dir, "#{job.name}.tgz"),
                 :preserve => true)
  end

  header("Building tarball")
  Dir.chdir(@build_dir) do
    tar_out = `tar -czf #{tarball_path} . 2>&1`
    unless $?.exitstatus == 0
      raise InvalidRelease, "Cannot create release tarball: #{tar_out}"
    end
    say("Generated #{tarball_path.make_green}")
    say("Release size: #{pretty_size(tarball_path).make_green}")
  end
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cli/release_compiler.rb', line 95

def exists?
  File.exists?(tarball_path)
end

#find_in_indices(final_index, dev_index, object) ⇒ Object 



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# File 'lib/cli/release_compiler.rb', line 120

def find_in_indices(final_index, dev_index, object)
  desc = "#{object.name} (#{object.version})"

  index = final_index
  build_data = index.find_by_checksum(object.sha1)

  if build_data.nil?
    index = dev_index
    build_data = index.find_by_checksum(object.sha1)
  end

  if build_data.nil?
    say("MISSING".make_red)
    err("Cannot find object with given checksum")
  end

  version = build_data["version"]
  sha1 = build_data["sha1"]
  blobstore_id = build_data["blobstore_id"]
  filename = index.filename(version)

  if File.exists?(filename)
    say("FOUND LOCAL".make_green)
    if Digest::SHA1.file(filename) != sha1
      err("#{desc} is corrupted locally")
    end
  elsif blobstore_id
    say("FOUND REMOTE".make_yellow)
    say("Downloading #{blobstore_id.to_s.make_green}...")
    tmp_file = Tempfile.new("")
    @blobstore.get(blobstore_id, tmp_file)
    tmp_file.close

    if Digest::SHA1.file(tmp_file.path).hexdigest == sha1
      FileUtils.mv(tmp_file.path, filename)
    else
      err("#{desc} is corrupted in blobstore (id=#{blobstore_id})")
    end
  end

  File.exists?(filename) ? filename : nil

rescue Bosh::Blobstore::BlobstoreError => e
  raise BlobstoreError, "Blobstore error: #{e}"
end

#find_job(job) ⇒ Object 



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# File 'lib/cli/release_compiler.rb', line 112

def find_job(job)
  final_index = VersionsIndex.new(
      File.join(@release_dir, ".final_builds", "jobs", job.name))
  dev_index = VersionsIndex.new(
      File.join(@release_dir, ".dev_builds", "jobs", job.name))
  find_in_indices(final_index, dev_index, job)
end

#find_package(package) ⇒ Object 



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# File 'lib/cli/release_compiler.rb', line 104

def find_package(package)
  final_index = VersionsIndex.new(
      File.join(@release_dir, ".final_builds", "packages", package.name))
  dev_index = VersionsIndex.new(
      File.join(@release_dir, ".dev_builds", "packages", package.name))
  find_in_indices(final_index, dev_index, package)
end

#remote_job_exists?(local_job) ⇒ Boolean

Checks if local job is already known remotely

Parameters:

  • local_job (#name, #version)

Returns:

  • (Boolean) 


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# File 'lib/cli/release_compiler.rb', line 179

def remote_job_exists?(local_job)
  false
end

#remote_package_exists?(local_package) ⇒ Boolean

Checks if local package is already known remotely

Parameters:

  • local_package (#name, #version)

Returns:

  • (Boolean) 


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# File 'lib/cli/release_compiler.rb', line 169

def remote_package_exists?(local_package)
  # If checksum is known to director we can always match it
  @package_matches.include?(local_package.sha1) ||
    (local_package.fingerprint &&
     @package_matches.include?(local_package.fingerprint))
end