Module: Mortar::ClientHelper

Included in:
DescribeCommand, FireCommand, ListCommand, YankCommand
Defined in:
lib/mortar/mixins/client_helper.rb

Instance Method Summary collapse

Instance Method Details

#build_kubeconfig_from_env ⇒ K8s::Config

Returns:

  • (K8s::Config) 


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# File 'lib/mortar/mixins/client_helper.rb', line 23

def build_kubeconfig_from_env
  token = ENV['KUBE_TOKEN']
  token = Base64.strict_decode64(token)

  K8s::Config.new(
    clusters: [
      {
        name: 'kubernetes',
        cluster: {
          server: ENV['KUBE_SERVER'],
          certificate_authority_data: ENV['KUBE_CA']
        }
      }
    ],
    users: [
      {
        name: 'mortar',
        user: {
          token: token
        }
      }
    ],
    contexts: [
      {
        name: 'mortar',
        context: {
          cluster: 'kubernetes',
          user: 'mortar'
        }
      }
    ],
    preferences: {},
    current_context: 'mortar'
  )
rescue ArgumentError
  signal_usage_error "KUBE_TOKEN env doesn't seem to be base64 encoded!"
end

#client ⇒ K8s::Client

Returns:

  • (K8s::Client) 


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# File 'lib/mortar/mixins/client_helper.rb', line 6

def client
  @client ||= create_client
end

#create_client ⇒ Object 



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# File 'lib/mortar/mixins/client_helper.rb', line 10

def create_client
  if ENV['KUBE_TOKEN'] && ENV['KUBE_CA'] && ENV['KUBE_SERVER']
    K8s::Client.new(K8s::Transport.config(build_kubeconfig_from_env))
  elsif ENV['KUBECONFIG']
    K8s::Client.config(K8s::Config.load_file(ENV['KUBECONFIG']))
  elsif File.exist?(File.join(Dir.home, '.kube', 'config'))
    K8s::Client.config(K8s::Config.load_file(File.join(Dir.home, '.kube', 'config')))
  else
    K8s::Client.in_cluster_config
  end
end