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, remote_jobs = nil, remote_packages_sha1 = [], release_dir = nil) ⇒ ReleaseCompiler

Returns a new instance of ReleaseCompiler.



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

def initialize(manifest_file, blobstore, remote_jobs = nil,
               remote_packages_sha1 = [], release_dir = nil)
  @build_dir = Dir.mktmpdir
  @jobs_dir = File.join(@build_dir, "jobs")
  @packages_dir = File.join(@build_dir, "packages")
  @blobstore = blobstore
  @release_dir = release_dir || Dir.pwd
  @remote_packages_sha1 = remote_packages_sha1

  at_exit { FileUtils.rm_rf(@build_dir) }

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

  @manifest_file = File.expand_path(manifest_file, @release_dir)
  @manifest = load_yaml_file(manifest_file)

  if remote_jobs
    @remote_jobs = remote_jobs.map do |job|
      OpenStruct.new(job)
    end
  else
    @remote_jobs = []
  end

  @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 100

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 44

def compile
  if exists?
    quit("You already have this version in `#{tarball_path.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_packages_sha1.any? { |sha1| sha1 == package.sha1 }
      say("SKIP".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_object_exists?(@remote_jobs, job)
      say("SKIP".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.green}")
    say("Release size: #{pretty_size(tarball_path).green}")
  end
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cli/release_compiler.rb', line 96

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 121

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".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".green)
    if Digest::SHA1.file(filename) != sha1
      err("#{desc} is corrupted locally")
    end
  elsif blobstore_id
    say("FOUND REMOTE".yellow)
    say("Downloading #{blobstore_id.to_s.green}...")

    payload = @blobstore.get(blobstore_id)

    if Digest::SHA1.hexdigest(payload) == sha1
      File.open(filename, "w") { |f| f.write(payload) }
    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 113

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 105

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_object_exists?(collection, local_object) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cli/release_compiler.rb', line 166

def remote_object_exists?(collection, local_object)
  collection.any? do |remote_object|
    remote_object.name == local_object.name &&
        remote_object.version.to_s == local_object.version.to_s
  end
end