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98 lines
3.2 KiB
98 lines
3.2 KiB
4 years ago
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require "bento/common"
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require "bento/buildmetadata"
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require "bento/providermetadata"
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require "bento/packerexec"
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class BuildRunner
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include Common
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include PackerExec
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attr_reader :template_files, :config, :dry_run, :debug, :only, :except, :mirror, :headed, :single,
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:override_version, :build_timestamp, :cpus, :mem
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def initialize(opts)
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@template_files = opts.template_files
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@config = opts.config ||= false
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@dry_run = opts.dry_run
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@debug = opts.debug
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@only = opts.only ||= "parallels-iso,virtualbox-iso,vmware-iso"
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@except = opts.except
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@mirror = opts.mirror
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@headed = opts.headed ||= false
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@single = opts.single ||= false
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@override_version = opts.override_version
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@build_timestamp = Time.now.gmtime.strftime("%Y%m%d%H%M%S")
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@cpus = opts.cpus
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@mem = opts.mem
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end
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def start
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templates = config ? build_list : template_files
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banner("Starting build for templates:")
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templates.each { |t| puts "- #{t}" }
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time = Benchmark.measure do
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templates.each { |template| build(template) }
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end
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banner("Build finished in #{duration(time.real)}.")
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end
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private
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def build(file)
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bento_dir = Dir.pwd
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dir = File.dirname(file)
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template = File.basename(file)
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Dir.chdir dir
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for_packer_run_with(template) do |md_file, _var_file|
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cmd = packer_build_cmd(template, md_file.path)
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banner("[#{template}] Building: '#{cmd.join(" ")}'")
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time = Benchmark.measure do
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system(*cmd) || raise("[#{template}] Error building, exited #{$CHILD_STATUS}")
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end
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write_final_metadata(template, time.real.ceil)
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banner("[#{template}] Finished building in #{duration(time.real)}.")
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end
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Dir.chdir(bento_dir)
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end
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def packer_build_cmd(template, var_file)
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vars = "#{template}.variables.json"
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cmd = %W{packer build -force -var-file=#{var_file} #{template}.json}
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cmd.insert(2, "-var-file=#{vars}") if File.exist?(vars)
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cmd.insert(2, "-only=#{only}")
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cmd.insert(2, "-except=#{except}") if except
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# Build the command line in the correct order and without spaces as future input for the splat operator.
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cmd.insert(2, "cpus=#{cpus}") if cpus
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cmd.insert(2, "-var") if cpus
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cmd.insert(2, "memory=#{mem}") if mem
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cmd.insert(2, "-var") if mem
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cmd.insert(2, "mirror=#{mirror}") if mirror
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cmd.insert(2, "-var") if mirror
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cmd.insert(2, "headless=true") unless headed
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cmd.insert(2, "-var") unless headed
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cmd.insert(2, "-parallel=false") if single
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cmd.insert(2, "-debug") if debug
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cmd.insert(0, "echo") if dry_run
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cmd
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end
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def write_final_metadata(template, buildtime)
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md = BuildMetadata.new(template, build_timestamp, override_version).read
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path = File.join("../../builds")
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filename = File.join(path, "#{md[:box_basename]}.metadata.json")
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md[:providers] = ProviderMetadata.new(path, md[:box_basename]).read
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md[:providers].each do |p|
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p[:build_time] = buildtime
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p[:build_cpus] = cpus unless cpus.nil?
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p[:build_mem] = mem unless mem.nil?
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end
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if dry_run
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banner("(Dry run) Metadata file contents would be something similar to:")
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puts JSON.pretty_generate(md)
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else
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File.open(filename, "wb") { |file| file.write(JSON.pretty_generate(md)) }
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end
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end
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end
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