Class: Kdep::Commands::Migrate

Inherits:
Object
  • Object
show all
Defined in:
lib/kdep/commands/migrate.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(global_options:, command_options:, args:) ⇒ Migrate

Returns a new instance of Migrate.



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# File 'lib/kdep/commands/migrate.rb', line 19

def initialize(global_options:, command_options:, args:)
  @global_options = global_options
  @command_options = command_options
  @args = args
  @ui = Kdep::UI.new
end

Class Method Details

.option_parser ⇒ Object 



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# File 'lib/kdep/commands/migrate.rb', line 9

def self.option_parser
  OptionParser.new do |opts|
    opts.banner = "Usage: kdep migrate [path]"
    opts.separator ""
    opts.separator "Converts old deploy directories to kdep format."
    opts.separator "Supports both old pattern (.app-name + deploy/) and"
    opts.separator "new pattern (deploy_web/app.yml + subdirectories)."
  end
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/kdep/commands/migrate.rb', line 26

def execute
  path = @args[0]
  unless path
    @ui.error("Missing path argument")
    @ui.info("Usage: kdep migrate [path]")
    exit 1
  end

  unless File.directory?(path)
    @ui.error("Path not found: #{path}")
    exit 1
  end

  # Parse old format
  old = Kdep::OldFormat.new(path)
  begin
    kdep_config = old.to_kdep_config
    name = kdep_config["name"] || old.app_name
  rescue => e
    @ui.error(e.message)
    exit 1
  end

  # Create kdep/[name]/ directory with app.yml
  target_dir = File.join(Dir.pwd, "kdep", name)
  if File.exist?(target_dir)
    @ui.error("kdep/#{name} already exists")
    exit 1
  end

  FileUtils.mkdir_p(target_dir)
  File.write(File.join(target_dir, "app.yml"), YAML.dump(kdep_config))
  @ui.file_written("kdep/#{name}/app.yml")

  # Extract and write env vars from ConfigMap
  env = old.extract_env
  unless env.empty?
    @ui.info("Extracted #{env.size} env vars from ConfigMap (already in envFrom refs)")
  end

  # Extract and write secrets (decode base64 =>plain text for secrets.yml)
  secrets = old.extract_secrets
  if secrets.empty?
    @ui.warn("No secrets found. Create kdep/#{name}/secrets.yml manually if needed.")
  else
    require "base64"
    decoded = {}
    secrets.each do |k, v|
      decoded[k] = Base64.decode64(v) rescue v
    end
    secrets_path = File.join(target_dir, "secrets.yml")
    File.write(secrets_path, YAML.dump(decoded))
    @ui.file_written("kdep/#{name}/secrets.yml")
    @ui.warn("#{secrets.size} secrets written. Review kdep/#{name}/secrets.yml — values are now plain text.")
  end

  # Generate custom resource templates (PVC, stringData Secrets)
  custom_resources = old.extract_custom_resources
  unless custom_resources.empty?
    res_dir = File.join(target_dir, "resources")
    FileUtils.mkdir_p(res_dir)
    custom_resources.each do |cr|
      kind = cr["kind"]
      doc = cr["doc"]
      res_name = doc.dig("metadata", "name") || kind.downcase
      filename = "#{res_name.gsub(/[^a-zA-Z0-9_-]/, "-")}.yml.erb"
      File.write(File.join(res_dir, filename), YAML.dump(doc))
      @ui.file_written("kdep/#{name}/resources/#{filename}")
    end
    @ui.info("#{custom_resources.size} custom resource(s) generated as templates")
  end

  @ui.success("Migration complete: kdep/#{name}/")
  @ui.info("")
  @ui.info("Generated config:")
  kdep_config.each do |k, v|
    if v.is_a?(Hash) || v.is_a?(Array)
      @ui.info("  #{k}: #{v.inspect}")
    else
      @ui.info("  #{k}: #{v}")
    end
  end

  # Automatic post-migration verification
  @ui.info("")
  verify_migration(old, target_dir, kdep_config)

  @ui.info("")
  @ui.info("Next: review kdep/#{name}/app.yml, then `kdep render #{name}` to test")
end