Class: Krane::CLI::DeployCommand

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

Constant Summary collapse

DEFAULT_DEPLOY_TIMEOUT = 
'300s'
PROTECTED_NAMESPACES = 
%w(
  default
  kube-system
  kube-public
)
OPTIONS = 
{
  "filenames" => { type: :array, banner: 'config/deploy/production config/deploy/my-extra-resource.yml',
                   aliases: :f, required: false, default: [],
                   desc: "Directories and files that contains the configuration to apply" },
  "stdin" => { type: :boolean, default: false,
               desc: "Read resources from stdin" },
  "global-timeout" => { type: :string, banner: "duration", default: DEFAULT_DEPLOY_TIMEOUT,
                        desc: "Max duration to monitor workloads correctly deployed" },
  "protected-namespaces" => { type: :array, banner: "namespace1 namespace2 namespaceN",
                              desc: "Enable deploys to a list of selected namespaces; set to an empty string "\
                                "to disable",
                              default: PROTECTED_NAMESPACES },
  "prune" => { type: :boolean, desc: "Enable deletion of resources that do not appear in the template dir",
               default: true },
  "selector" => { type: :string, banner: "'label=value'",
                  desc: "Select workloads by selector(s)" },
  "verbose-log-prefix" => { type: :boolean, desc: "Add [context][namespace] to the log prefix",
                            default: true },
  "verify-result" => { type: :boolean, default: true,
                       desc: "Verify workloads correctly deployed" },
}

Class Method Summary collapse

Class Method Details

.from_options(namespace, context, options) ⇒ Object 



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# File 'lib/krane/cli/deploy_command.rb', line 34

def self.from_options(namespace, context, options)
  require 'krane/deploy_task'
  require 'krane/options_helper'
  require 'krane/label_selector'

  selector = ::Krane::LabelSelector.parse(options[:selector]) if options[:selector]

  logger = ::Krane::FormattedLogger.build(namespace, context,
    verbose_prefix: options['verbose-log-prefix'])

  protected_namespaces = options['protected-namespaces']
  if options['protected-namespaces'].size == 1 && %w('' "").include?(options['protected-namespaces'][0])
    protected_namespaces = []
  end

  # never mutate options directly
  filenames = options[:filenames].dup
  filenames << "-" if options[:stdin]
  if filenames.empty?
    raise Thor::RequiredArgumentMissingError, 'At least one of --filenames or --stdin must be set'
  end

  ::Krane::OptionsHelper.with_processed_template_paths(filenames) do |paths|
    deploy = ::Krane::DeployTask.new(
      namespace: namespace,
      context: context,
      filenames: paths,
      logger: logger,
      global_timeout: ::Krane::DurationParser.new(options["global-timeout"]).parse!.to_i,
      selector: selector,
      protected_namespaces: protected_namespaces,
    )

    deploy.run!(
      verify_result: options["verify-result"],
      prune: options[:prune]
    )
  end
end