Class: Kubeclient::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/kubeclient/config.rb

Overview

Kubernetes client configuration class

Defined Under Namespace

Classes: Context

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(kcfg, kcfg_path) ⇒ Config

Returns a new instance of Config.



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# File 'lib/kubeclient/config.rb', line 20

def initialize(kcfg, kcfg_path)
  @kcfg = kcfg
  @kcfg_path = kcfg_path
  fail 'Unknown kubeconfig version' if @kcfg['apiVersion'] != 'v1'
end

Class Method Details

.read(filename) ⇒ Object 



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# File 'lib/kubeclient/config.rb', line 26

def self.read(filename)
  Config.new(YAML.load_file(filename), File.dirname(filename))
end

Instance Method Details

#context(context_name = nil) ⇒ Object 



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# File 'lib/kubeclient/config.rb', line 34

def context(context_name = nil)
  cluster, user = fetch_context(context_name || @kcfg['current-context'])

  ca_cert_data     = fetch_cluster_ca_data(cluster)
  client_cert_data = fetch_user_cert_data(user)
  client_key_data  = fetch_user_key_data(user)
  auth_options     = fetch_user_auth_options(user)

  ssl_options = {}

  if !ca_cert_data.nil?
    cert_store = OpenSSL::X509::Store.new
    cert_store.add_cert(OpenSSL::X509::Certificate.new(ca_cert_data))
    ssl_options[:verify_ssl] = OpenSSL::SSL::VERIFY_PEER
    ssl_options[:cert_store] = cert_store
  else
    ssl_options[:verify_ssl] = OpenSSL::SSL::VERIFY_NONE
  end

  unless client_cert_data.nil?
    ssl_options[:client_cert] = OpenSSL::X509::Certificate.new(client_cert_data)
  end

  unless client_key_data.nil?
    ssl_options[:client_key] = OpenSSL::PKey.read(client_key_data)
  end

  Context.new(cluster['server'], @kcfg['apiVersion'], ssl_options, auth_options)
end

#contexts ⇒ Object 



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# File 'lib/kubeclient/config.rb', line 30

def contexts
  @kcfg['contexts'].map { |x| x['name'] }
end