Module: Cuber::Utils

Included in:
Commands::Ctl, Commands::Deploy, Commands::Info, Commands::Logs, Commands::Restart, Commands::Run
Defined in:
lib/cuber/utils.rb

Instance Method Summary collapse

Instance Method Details

#kubectl(*args) ⇒ Object 



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# File 'lib/cuber/utils.rb', line 3

def kubectl *args
  cmd = ['kubectl', '--kubeconfig', @options[:kubeconfig], '-n', @options[:app]] + args
  system(*cmd) || abort("Cuber: \"#{cmd.shelljoin}\" failed")
end

#kubeget(type, name = nil, *args) ⇒ Object 



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# File 'lib/cuber/utils.rb', line 8

def kubeget type, name = nil, *args
  cmd = ['kubectl', 'get', type, name, '-o', 'json', '--kubeconfig', @options[:kubeconfig], '-n', @options[:app], *args].compact
  out, status = Open3.capture2 *cmd
  abort "Cuber: \"#{cmd.shelljoin}\" failed" unless status.success?
  out.empty? ? nil : JSON.parse(out)
end

#render(template, target_file = nil) ⇒ Object 



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# File 'lib/cuber/utils.rb', line 15

def render template, target_file = nil
  template = File.join __dir__, 'templates', "#{template}.erb"
  renderer = ERB.new File.read(template), trim_mode: '-'
  content = renderer.result binding
  return content unless target_file
  FileUtils.mkdir_p File.dirname target_file
  File.write target_file, content
end