Class: Helpers::Kube

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/busbar_cli/helpers/kube.rb

Class Method Summary collapse

Class Method Details

.config_download_file ⇒ Object 



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# File 'lib/busbar_cli/helpers/kube.rb', line 48

def config_download_file
  response = Net::HTTP.get(URI(KUBECTL_CONFIG_FILE_URL))
  open(KUBECTL_CONFIG_FILE, 'wb') do |file|
    file.write(response)
  end
end

.config_exit_with_no_connection_error ⇒ Object 



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# File 'lib/busbar_cli/helpers/kube.rb', line 61

def config_exit_with_no_connection_error
  puts 'No connection could be established with the Kubectl Config ' \
       "repository (#{KUBECTL_CONFIG_FILE_URL}).\n" \
       'You may need to connect to a VPN to access it.'
  exit 0
end

.config_local_version ⇒ Object 



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# File 'lib/busbar_cli/helpers/kube.rb', line 43

def config_local_version
  return 0 unless File.exist?(KUBECTL_CONFIG_VERSION_FILE)
  File.read(KUBECTL_CONFIG_VERSION_FILE).to_i
end

.config_outdated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/busbar_cli/helpers/kube.rb', line 33

def config_outdated?
  config_remote_version > config_local_version
end

.config_remote_version ⇒ Object 



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# File 'lib/busbar_cli/helpers/kube.rb', line 37

def config_remote_version
  Net::HTTP.get(URI(KUBECTL_CONFIG_VERSION_URL)).to_i
rescue SocketError
  config_exit_with_no_connection_error
end

.config_update_local_version ⇒ Object 



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# File 'lib/busbar_cli/helpers/kube.rb', line 55

def config_update_local_version
  open(KUBECTL_CONFIG_VERSION_FILE, 'wb') do |file|
    file.write(config_remote_version)
  end
end

.install ⇒ Object 



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# File 'lib/busbar_cli/helpers/kube.rb', line 9

def install
  return if File.exist?(KUBECTL)
  uname = `uname`
  os = case uname
       when /Darwin/
         'darwin'
       when /Linux/
         'linux'
       end
  Net::HTTP.start('storage.googleapis.com') do |http|
    response = http.get("/kubernetes-release/release/v#{KUBECTL_VERSION}/bin/#{os}/amd64/kubectl")
    open(KUBECTL, 'wb') do |file|
      file.write(response.body)
    end
    FileUtils.chmod(0o755, KUBECTL)
  end
end

.public_info_command_for(environment) ⇒ Object 



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# File 'lib/busbar_cli/helpers/kube.rb', line 27

def public_info_command_for(environment)
  "#{KUBECTL} --context=#{Services::Kube.current_profile} get " \
  "svc/#{environment.app_id}-#{environment.name}-public "\
  "--namespace=#{environment.namespace} -o json"
end