Class: Bosh::Director::Jobs::UpdateRelease
- Includes:
- DownloadHelper, LockHelper
- Defined in:
- lib/bosh/director/jobs/update_release.rb
Instance Attribute Summary collapse
-
#release_model ⇒ Object
Returns the value of attribute release_model.
Attributes inherited from BaseJob
Class Method Summary collapse
Instance Method Summary collapse
- #create_job(job_meta, release_dir) ⇒ Object
- #create_jobs(jobs, release_dir) ⇒ Object
-
#create_package(package_meta, release_dir) ⇒ void
Creates package in DB according to given metadata.
-
#create_packages(packages, release_dir) ⇒ void
Creates packages using provided metadata.
- #download_remote_release ⇒ Object
-
#extract_release ⇒ void
Extracts release tarball.
-
#initialize(release_path, options = {}) ⇒ UpdateRelease
constructor
A new instance of UpdateRelease.
-
#normalize_manifest ⇒ void
Normalizes release manifest, so all names, versions, and checksums are Strings.
-
#perform ⇒ void
Extracts release tarball, verifies release manifest and saves release in DB.
-
#process_jobs(release_dir) ⇒ void
Finds job template definitions in release manifest and sorts them into two buckets: new and existing job templates, then creates new job template records in the database and points release version to existing ones.
-
#process_packages(release_dir) ⇒ void
Finds all package definitions in the manifest and sorts them into two buckets: new and existing packages, then creates new packages and points current release version to the existing packages.
-
#process_release(release_dir) ⇒ void
Processes uploaded release, creates jobs and packages in DB if needed.
-
#register_package(package) ⇒ void
Marks package model as used by release version model.
-
#register_template(template) ⇒ void
Marks job template model as being used by release version.
-
#resolve_package_dependencies(packages) ⇒ void
Resolves package dependencies, makes sure there are no cycles and all dependencies are present.
- #use_existing_jobs(jobs) ⇒ void
-
#use_existing_packages(packages) ⇒ Object
Points release DB model to existing packages described by given metadata.
- #verify_manifest(release_dir) ⇒ void
Methods included from DownloadHelper
Methods included from LockHelper
#with_compile_lock, #with_deployment_lock, #with_release_lock, #with_release_locks, #with_stemcell_lock
Methods inherited from BaseJob
#begin_stage, #event_log, #logger, perform, #result_file, #single_step_stage, #task_cancelled?, #task_checkpoint, #track_and_log
Constructor Details
#initialize(release_path, options = {}) ⇒ UpdateRelease
Returns a new instance of UpdateRelease.
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# File 'lib/bosh/director/jobs/update_release.rb', line 20 def initialize(release_path, = {}) if ['remote'] # file will be downloaded to the release_path @release_path = File.join(Dir.tmpdir, "release-#{SecureRandom.uuid}") @release_url = release_path else # file already exists at the release_path @release_path = release_path end @release_model = nil @release_version_model = nil @rebase = !!['rebase'] @skip_if_exists = !!['skip_if_exists'] @manifest = nil @name = nil @version = nil @packages_unchanged = false @jobs_unchanged = false end |
Instance Attribute Details
#release_model ⇒ Object
Returns the value of attribute release_model.
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# File 'lib/bosh/director/jobs/update_release.rb', line 12 def release_model @release_model end |
Class Method Details
.job_type ⇒ Object
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# File 'lib/bosh/director/jobs/update_release.rb', line 14 def self.job_type :update_release end |
Instance Method Details
#create_job(job_meta, release_dir) ⇒ Object
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# File 'lib/bosh/director/jobs/update_release.rb', line 384 def create_job(, release_dir) name, version = ["name"], ["version"] template_attrs = { :release => @release_model, :name => name, :sha1 => ["sha1"], :fingerprint => ["fingerprint"], :version => version } logger.info("Creating job template `#{name}/#{version}' " + "from provided bits") template = Models::Template.new(template_attrs) job_tgz = File.join(release_dir, "jobs", "#{name}.tgz") job_dir = File.join(release_dir, "jobs", "#{name}") FileUtils.mkdir_p(job_dir) desc = "job `#{name}/#{version}'" result = Bosh::Exec.sh("tar -C #{job_dir} -xzf #{job_tgz} 2>&1", :on_error => :return) if result.failed? logger.error("Extracting #{desc} archive failed in dir #{job_dir}, " + "tar returned #{result.exit_status}, " + "output: #{result.output}") raise JobInvalidArchive, "Extracting #{desc} archive failed. Check task debug log for details." end manifest_file = File.join(job_dir, "job.MF") unless File.file?(manifest_file) raise JobMissingManifest, "Missing job manifest for `#{template.name}'" end job_manifest = Psych.load_file(manifest_file) if job_manifest["templates"] job_manifest["templates"].each_key do |relative_path| path = File.join(job_dir, "templates", relative_path) unless File.file?(path) raise JobMissingTemplateFile, "Missing template file `#{relative_path}' for job `#{template.name}'" end end end main_monit_file = File.join(job_dir, "monit") aux_monit_files = Dir.glob(File.join(job_dir, "*.monit")) unless File.exists?(main_monit_file) || aux_monit_files.size > 0 raise JobMissingMonit, "Job `#{template.name}' is missing monit file" end template.blobstore_id = BlobUtil.create_blob(job_tgz) package_names = [] if job_manifest["packages"] unless job_manifest["packages"].is_a?(Array) raise JobInvalidPackageSpec, "Job `#{template.name}' has invalid package spec format" end job_manifest["packages"].each do |package_name| package = @packages[package_name] if package.nil? raise JobMissingPackage, "Job `#{template.name}' is referencing " + "a missing package `#{package_name}'" end package_names << package.name end end template.package_names = package_names if job_manifest["logs"] unless job_manifest["logs"].is_a?(Hash) raise JobInvalidLogSpec, "Job `#{template.name}' has invalid logs spec format" end template.logs = job_manifest["logs"] end if job_manifest["properties"] unless job_manifest["properties"].is_a?(Hash) raise JobInvalidPropertySpec, "Job `#{template.name}' has invalid properties spec format" end template.properties = job_manifest["properties"] end template.save end |
#create_jobs(jobs, release_dir) ⇒ Object
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# File 'lib/bosh/director/jobs/update_release.rb', line 367 def create_jobs(jobs, release_dir) if jobs.empty? @jobs_unchanged = true return end event_log.begin_stage("Creating new jobs", jobs.size) jobs.each do || job_desc = "#{["name"]}/#{["version"]}" event_log.track(job_desc) do logger.info("Creating new template `#{job_desc}'") template = create_job(, release_dir) register_template(template) end end end |
#create_package(package_meta, release_dir) ⇒ void
This method returns an undefined value.
Creates package in DB according to given metadata
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# File 'lib/bosh/director/jobs/update_release.rb', line 289 def create_package(, release_dir) name, version = ["name"], ["version"] package_attrs = { :release => @release_model, :name => name, :sha1 => ["sha1"], :fingerprint => ["fingerprint"], :version => version } package = Models::Package.new(package_attrs) package.dependency_set = ["dependencies"] existing_blob = ["blobstore_id"] desc = "package `#{name}/#{version}'" if existing_blob logger.info("Creating #{desc} from existing blob #{existing_blob}") package.blobstore_id = BlobUtil.copy_blob(existing_blob) else logger.info("Creating #{desc} from provided bits") package_tgz = File.join(release_dir, "packages", "#{name}.tgz") result = Bosh::Exec.sh("tar -tzf #{package_tgz} 2>&1", :on_error => :return) if result.failed? logger.error("Extracting #{desc} archive failed, " + "tar returned #{result.exit_status}, " + "output: #{result.output}") raise PackageInvalidArchive, "Extracting #{desc} archive failed. Check task debug log for details." end package.blobstore_id = BlobUtil.create_blob(package_tgz) end package.save end |
#create_packages(packages, release_dir) ⇒ void
This method returns an undefined value.
Creates packages using provided metadata
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# File 'lib/bosh/director/jobs/update_release.rb', line 254 def create_packages(packages, release_dir) if packages.empty? @packages_unchanged = true return end event_log.begin_stage("Creating new packages", packages.size) packages.each do || package_desc = "#{["name"]}/#{["version"]}" event_log.track(package_desc) do logger.info("Creating new package `#{package_desc}'") package = create_package(, release_dir) register_package(package) end end end |
#download_remote_release ⇒ Object
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# File 'lib/bosh/director/jobs/update_release.rb', line 74 def download_remote_release download_remote_file('release', @release_url, @release_path) end |
#extract_release ⇒ void
This method returns an undefined value.
Extracts release tarball
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# File 'lib/bosh/director/jobs/update_release.rb', line 80 def extract_release release_dir = Dir.mktmpdir result = Bosh::Exec.sh("tar -C #{release_dir} -xzf #{@release_path} 2>&1", :on_error => :return) if result.failed? logger.error("Failed to extract release archive '#{@release_path}' into dir '#{release_dir}', " + "tar returned #{result.exit_status}, " + "output: #{result.output}") raise ReleaseInvalidArchive, "Extracting release archive failed. Check task debug log for details." end release_dir end |
#normalize_manifest ⇒ void
This method returns an undefined value.
Normalizes release manifest, so all names, versions, and checksums are Strings.
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# File 'lib/bosh/director/jobs/update_release.rb', line 168 def normalize_manifest Bosh::Director.hash_string_vals(@manifest, 'name', 'version') @manifest['packages'].each { |p| Bosh::Director.hash_string_vals(p, 'name', 'version', 'sha1') } @manifest['jobs'].each { |j| Bosh::Director.hash_string_vals(j, 'name', 'version', 'sha1') } end |
#perform ⇒ void
This method returns an undefined value.
Extracts release tarball, verifies release manifest and saves release in DB
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# File 'lib/bosh/director/jobs/update_release.rb', line 46 def perform logger.info("Processing update release") logger.info("Release rebase will be performed") if @rebase single_step_stage("Downloading remote release") { download_remote_release } if @release_url release_dir = nil single_step_stage("Extracting release") { release_dir = extract_release } single_step_stage("Verifying manifest") { verify_manifest(release_dir) } with_release_lock(@name) { process_release(release_dir) } if @rebase && @packages_unchanged && @jobs_unchanged raise DirectorError, "Rebase is attempted without any job or package changes" end "Created release `#{@name}/#{@version}'" rescue Exception => e remove_release_version_model raise e ensure FileUtils.rm_rf(release_dir) if release_dir FileUtils.rm_rf(@release_path) if @release_path end |
#process_jobs(release_dir) ⇒ void
This method returns an undefined value.
Finds job template definitions in release manifest and sorts them into two buckets: new and existing job templates, then creates new job template records in the database and points release version to existing ones.
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# File 'lib/bosh/director/jobs/update_release.rb', line 340 def process_jobs(release_dir) logger.info("Checking for new jobs in release") new_jobs = [] existing_jobs = [] @manifest["jobs"].each do || # Checking whether we might have the same bits somewhere jobs = Models::Template.where(fingerprint: ["fingerprint"]).all template = jobs.find do |job| job.release_id == @release_model.id && job.name == ["name"] && job.version == ["version"] end if template.nil? new_jobs << else existing_jobs << [template, ] end end create_jobs(new_jobs, release_dir) use_existing_jobs(existing_jobs) end |
#process_packages(release_dir) ⇒ void
This method returns an undefined value.
Finds all package definitions in the manifest and sorts them into two buckets: new and existing packages, then creates new packages and points current release version to the existing packages.
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# File 'lib/bosh/director/jobs/update_release.rb', line 204 def process_packages(release_dir) logger.info("Checking for new packages in release") new_packages = [] existing_packages = [] @manifest["packages"].each do || # Checking whether we might have the same bits somewhere packages = Models::Package.where(fingerprint: ["fingerprint"]).all if packages.empty? new_packages << next end existing_package = packages.find do |package| package.release_id == @release_model.id && package.name == ["name"] && package.version == ["version"] end if existing_package # clean up 'broken' dependency_set (a bug was including transitives) # dependency ordering impacts fingerprint # TODO: The following code can be removed after some reasonable time period (added 2014.10.06) if existing_package.dependency_set != ['dependencies'] existing_package.dependency_set = ['dependencies'] existing_package.save end existing_packages << [existing_package, ] else # We found a package with the same fingerprint but different # (release, name, version) tuple, so we need to make a copy # of the package blob and create a new db entry for it package = packages.first ["blobstore_id"] = package.blobstore_id ["sha1"] = package.sha1 new_packages << end end create_packages(new_packages, release_dir) use_existing_packages(existing_packages) end |
#process_release(release_dir) ⇒ void
This method returns an undefined value.
Processes uploaded release, creates jobs and packages in DB if needed
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# File 'lib/bosh/director/jobs/update_release.rb', line 123 def process_release(release_dir) @release_model = Models::Release.find_or_create(:name => @name) if @rebase @version = next_release_version end version_attrs = { :release => @release_model, :version => @version.to_s } version_attrs[:uncommitted_changes] = @uncommitted_changes if @uncommitted_changes version_attrs[:commit_hash] = @commit_hash if @commit_hash @release_version_model = Models::ReleaseVersion.new(version_attrs) unless @release_version_model.valid? if @release_version_model.errors[:version] == [:format] raise ReleaseVersionInvalid, "Release version invalid `#{@name}/#{@version}'" elsif @skip_if_exists event_log.begin_stage("Release already exists", 1) event_log.track("#{@name}/#{@version}") {} return else raise ReleaseAlreadyExists, "Release `#{@name}/#{@version}' already exists" end end @release_version_model.save single_step_stage("Resolving package dependencies") do resolve_package_dependencies(@manifest["packages"]) end @packages = {} process_packages(release_dir) process_jobs(release_dir) event_log.begin_stage("Release has been created", 1) event_log.track("#{@name}/#{@version}") {} end |
#register_package(package) ⇒ void
This method returns an undefined value.
Marks package model as used by release version model
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# File 'lib/bosh/director/jobs/update_release.rb', line 330 def register_package(package) @packages[package.name] = package @release_version_model.add_package(package) end |
#register_template(template) ⇒ void
This method returns an undefined value.
Marks job template model as being used by release version
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# File 'lib/bosh/director/jobs/update_release.rb', line 497 def register_template(template) @release_version_model.add_template(template) end |
#resolve_package_dependencies(packages) ⇒ void
This method returns an undefined value.
Resolves package dependencies, makes sure there are no cycles and all dependencies are present
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# File 'lib/bosh/director/jobs/update_release.rb', line 178 def resolve_package_dependencies(packages) packages_by_name = {} packages.each do |package| packages_by_name[package["name"]] = package package["dependencies"] ||= [] end logger.info("Resolving package dependencies for #{packages_by_name.keys.inspect}") dependency_lookup = lambda do |package_name| packages_by_name[package_name]["dependencies"] end result = Bosh::Director::CycleHelper.check_for_cycle(packages_by_name.keys, :connected_vertices => true, &dependency_lookup) packages.each do |package| name = package["name"] dependencies = package["dependencies"] all_dependencies = result[:connected_vertices][name] logger.info("Resolved package dependencies for `#{name}': #{dependencies.pretty_inspect} => #{all_dependencies.pretty_inspect}") end end |
#use_existing_jobs(jobs) ⇒ void
This method returns an undefined value.
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# File 'lib/bosh/director/jobs/update_release.rb', line 482 def use_existing_jobs(jobs) return if jobs.empty? single_step_stage("Processing #{jobs.size} existing job#{"s" if jobs.size > 1}") do jobs.each do |template, _| job_desc = "#{template.name}/#{template.version}" logger.info("Using existing job `#{job_desc}'") register_template(template) end end end |
#use_existing_packages(packages) ⇒ Object
Points release DB model to existing packages described by given metadata
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# File 'lib/bosh/director/jobs/update_release.rb', line 273 def use_existing_packages(packages) return if packages.empty? single_step_stage("Processing #{packages.size} existing package#{"s" if packages.size > 1}") do packages.each do |package, _| package_desc = "#{package.name}/#{package.version}" logger.info("Using existing package `#{package_desc}'") register_package(package) end end end |
#verify_manifest(release_dir) ⇒ void
This method returns an undefined value.
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# File 'lib/bosh/director/jobs/update_release.rb', line 96 def verify_manifest(release_dir) manifest_file = File.join(release_dir, "release.MF") unless File.file?(manifest_file) raise ReleaseManifestNotFound, "Release manifest not found" end @manifest = Psych.load_file(manifest_file) normalize_manifest @name = @manifest["name"] begin @version = Bosh::Common::Version::ReleaseVersion.parse(@manifest["version"]) unless @version == @manifest["version"] logger.info("Formatted version '#{@manifest["version"]}' => '#{@version}'") end rescue SemiSemantic::ParseError raise ReleaseVersionInvalid, "Release version invalid: #{@manifest["version"]}" end @commit_hash = @manifest.fetch("commit_hash", nil) @uncommitted_changes = @manifest.fetch("uncommitted_changes", nil) end |