Class: JackAndTheElasticBeanstalk::Service

Inherits:
Object
  • Object
show all
Defined in:
lib/jack_and_the_elastic_beanstalk/service.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config:, source_dir:, eb:, runner:, logger:) ⇒ Service 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 9

def initialize(config:, source_dir:, eb:, runner:, logger:)
  @config = config
  @source_dir = source_dir
  @eb = eb
  @runner = runner
  @logger = logger
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 3

def config
  @config
end

#eb ⇒ Object (readonly)

Returns the value of attribute eb.



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 5

def eb
  @eb
end

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 7

def logger
  @logger
end

#runner ⇒ Object (readonly)

Returns the value of attribute runner.



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 6

def runner
  @runner
end

#source_dir ⇒ Object (readonly)

Returns the value of attribute source_dir.



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 4

def source_dir
  @source_dir
end

Instance Method Details

#archive(input_dir:, output_path:) ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 103

def archive(input_dir:, output_path:)
  paths = Pathname.glob(input_dir + "**/*", File::FNM_DOTMATCH).select(&:file?)

  Zip::File.open(output_path.to_s, Zip::File::CREATE) do |zip|
    paths.each do |path|
      zip.add(path.relative_path_from(input_dir).to_s, path.to_s)
    end
  end
end

#deploy(group:, process:, archive_path:, s3_key:, label:) ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 146

def deploy(group:, process:, archive_path:, s3_key:, label:)
  upload(archive_path: archive_path, name: s3_key)
  eb.create_version(s3_bucket: config.s3_bucket, s3_key: s3_key, label: label)

  eb.environments.find {|env| env.environment_name == env_name(group: group, process: process) }.try do |env|
    env.synchronize_update do
      env.deploy(label: label)
    end

    env.ensure_version!(expected_label: label)
  end

  eb.cleanup_versions
end

#destroy(group:) ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 161

def destroy(group:)
  logger.info("jeb::service") { "Destroying #{group} ..." }

  each_environment(group: group) do |env, _|
    env.destroy
  end
end

#each_environment(group:) ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 169

def each_environment(group:)
  if block_given?
    regexp = /\Ajeb-#{config.app_name}-#{group}-([^\-]+)\Z/

    eb.environments.each do |env|
      if env.environment_name =~ regexp
        yield env, $1
      end
    end
  else
    enum_for :each_environment, group: group
  end
end

#each_group ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 183

def each_group
  if block_given?
    regexp = /\Ajeb-#{config.app_name}-(.+)-([^\-]+)\Z/

    eb.environments.group_by {|env|
      if env.environment_name =~ regexp
        $1
      end
    }.each do |group, envs|
      if group
        yield group, envs
      end
    end
  else
    enum_for :each_group
  end
end

#eb_create(target_dir:, configuration:, group:, process:, env_vars:) ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 32

def eb_create(target_dir:, configuration:, group:, process:, env_vars:)
  if eb.environments.none? {|env| env.environment_name == env_name(group: group, process: process) }
    logger.info("jeb::service") { "Creating eb environment for #{process} from #{target_dir}..." }

    commandline = ["eb", "create", env_name(group: group, process: process), "--nohang", "--scale", "1"]

    hash = config.processes(configuration)[process]

    commandline.concat(["-t", "worker"]) if config.process_type(configuration, process) == "worker"
    commandline.concat(["--region", hash["region"] || config.region])
    commandline.concat(["--platform", hash["platform"] || config.platform])
    commandline.concat(["--instance_profile", hash["instance_profile"]]) if hash["instance_profile"]
    commandline.concat(["--keyname", hash["keyname"]]) if hash["keyname"]
    commandline.concat(["--instance_type", hash["instance_type"]]) if hash["instance_type"]
    commandline.concat(["--service-role", hash["service_role"]]) if hash["service_role"]

    if hash["tags"]&.any?
      commandline.concat(["--tags", hash["tags"].each.with_object([]) do |(key, value), acc|
        acc << "#{key}=#{value}"
      end.concat(",")])
    end

    if hash["vpc"]
      vpc = hash["vpc"]

      commandline.concat(["--vpc", "--vpc.id", vpc["id"]])
      commandline.concat(["--vpc.ec2subnets", vpc["ec2subnets"].join(",")]) if vpc["ec2subnets"]&.any?
      commandline.concat(["--vpc.elbpublic"]) if vpc["elbpublic"]
      commandline.concat(["--vpc.elbsubnets", vpc["elbsubnets"].join(",")]) if vpc["elbsubnets"]&.any?
      commandline.concat(["--vpc.publicip"]) if vpc["publicip"]
      commandline.concat(["--vpc.securitygroups", vpc["securitygroups"].join(",")]) if vpc["securitygroups"]&.any?
    end

    unless env_vars.empty?
      vars = env_vars.to_a.map {|(k, v)| "#{k}=#{v}" }.join(",")
      commandline.concat(["--envvars", vars])
    end

    runner.chdir target_dir do
      runner.capture3!(*commandline)
    end

    eb.refresh
    env = eb.environments.find {|e| e.environment_name == env_name(group: group, process: process) }
    env.synchronize_update
  else
    logger.info("jeb::service") { "Environment #{env_name(group:group, process: process)} already exists..." }
  end
end

#eb_deploy(target_dir:, group:, process:) ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 23

def eb_deploy(target_dir:, group:, process:)
  runner.chdir target_dir do
    runner.capture3!("eb", "deploy", env_name(group: group, process: process), "--nohang")
  end

  env = eb.environments.find {|e| e.environment_name == env_name(group: group, process: process) }
  env.synchronize_update
end

#eb_init(target_dir:) ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 17

def eb_init(target_dir:)
  runner.chdir target_dir do
    runner.capture3!("eb", "init", config.app_name, "-r", config.region, "-p", config.platform)
  end
end

#env_name(group:, process:) ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 82

def env_name(group:, process:)
  "jeb-#{config.app_name}-#{group}-#{process}"
end

#export_files(dest:) ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 113

def export_files(dest:)
  files = if (source_dir + '.git').exist?
            runner.chdir(source_dir) do
              runner.capture3!("git", "ls-files", "-z").first.split("\x0")
            end
          else
            Pathname.glob(source_dir + '**/*').select(&:file?).map do |path|
              path.to_s.sub(/\A#{source_dir}\//, '')
            end
          end

  files.each do |f|
    logger.debug("jeb::service") { "Copying #{f} ..."}

    source_path = source_dir + f
    target_path = dest + f

    unless target_path.parent.directory?
      target_path.parent.mkpath
    end

    FileUtils.copy(source_path.to_s, target_path.to_s)
  end
end

#stage(target_dir:, process:) ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 86

def stage(target_dir:, process:)
  logger.info("jeb::service") { "Staging files in #{target_dir} for #{process}" }

  ENV["JEB_PROCESS"] = process

  export_files(dest: target_dir)

  eb_extensions = target_dir + ".ebextensions"
  eb_extensions.mkpath
  config.each_config do |path, content|
    logger.debug("jeb::service") { "Writing #{path} ..." }
    (eb_extensions + path).write content
  end
ensure
  ENV.delete("JEB_PROCESS")
end

#upload(archive_path:, name:) ⇒ Object 



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# File 'lib/jack_and_the_elastic_beanstalk/service.rb', line 138

def upload(archive_path:, name:)
  logger.debug("jeb::service") { "Uploading #{archive_path} to #{config.s3_bucket}/#{name}..." }
  s3 = Aws::S3::Client.new(region: config.region)
  archive_path.open do |io|
    s3.put_object(bucket: config.s3_bucket, key: name, body: io)
  end
end