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 = 
{
  "bindings" => { type: :array, banner: "foo=bar abc=def",
                  desc: "Expose additional variables to ERB templates (format: k1=v1 k2=v2, JSON string or file "\
                    "(JSON or YAML) path prefixed by '@')" },
  "filenames" => { type: :array, banner: 'config/deploy/production config/deploy/my-extra-resource.yml',
                   aliases: :f, required: true,
                   desc: "Directories and files that contains the configuration to apply" },
  "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 },
  "render-erb" => { type: :boolean, desc: "Enable ERB rendering", default: false },
  "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" },
  "current-sha" => { type: :string, banner: "SHA", desc: "Expose SHA `current_sha` in ERB bindings" },

}

Class Method Summary collapse

Class Method Details

.from_options(namespace, context, options) ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
 
# File 'lib/krane/cli/deploy_command.rb', line 38

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

  bindings_parser = ::Krane::BindingsParser.new
  options[:bindings]&.each { |binding_pair| bindings_parser.add(binding_pair) }

  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

  ::Krane::OptionsHelper.with_processed_template_paths(options[:filenames],
    require_explicit_path: true) do |paths|
    deploy = ::Krane::DeployTask.new(
      namespace: namespace,
      context: context,
      current_sha: options['current-sha'],
      template_paths: paths,
      bindings: bindings_parser.parse,
      logger: logger,
      max_watch_seconds: ::Krane::DurationParser.new(options["global-timeout"]).parse!.to_i,
      selector: selector,
      protected_namespaces: protected_namespaces,
    )

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