Class: Gitlab::Kubernetes::Kubeconfig::Template

Inherits:
Object
  • Object
show all
Defined in:
lib/gitlab/kubernetes/kubeconfig/template.rb

Constant Summary collapse

ENTRIES = 
{
  cluster: Gitlab::Kubernetes::Kubeconfig::Entry::Cluster,
  user: Gitlab::Kubernetes::Kubeconfig::Entry::User,
  context: Gitlab::Kubernetes::Kubeconfig::Entry::Context
}.freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Template

Returns a new instance of Template.



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# File 'lib/gitlab/kubernetes/kubeconfig/template.rb', line 13

def initialize
  @clusters = []
  @users = []
  @contexts = []
  @current_context = nil
end

Instance Method Details

#add_cluster(**args) ⇒ Object 



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# File 'lib/gitlab/kubernetes/kubeconfig/template.rb', line 24

def add_cluster(**args)
  clusters << new_entry(:cluster, **args)
end

#add_context(**args) ⇒ Object 



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# File 'lib/gitlab/kubernetes/kubeconfig/template.rb', line 32

def add_context(**args)
  contexts << new_entry(:context, **args)
end

#add_user(**args) ⇒ Object 



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# File 'lib/gitlab/kubernetes/kubeconfig/template.rb', line 28

def add_user(**args)
  users << new_entry(:user, **args)
end

#merge_yaml(kubeconfig_yaml) ⇒ Object 



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# File 'lib/gitlab/kubernetes/kubeconfig/template.rb', line 36

def merge_yaml(kubeconfig_yaml)
  return unless kubeconfig_yaml

  kubeconfig_yaml = YAML.safe_load(kubeconfig_yaml, symbolize_names: true)
  kubeconfig_yaml[:users].each do |user|
    add_user(
      name: user[:name],
      token: user.dig(:user, :token)
    )
  end
  kubeconfig_yaml[:clusters].each do |cluster|
    ca_pem = cluster.dig(:cluster, :'certificate-authority-data')&.yield_self do |data|
      Base64.strict_decode64(data)
    end

    add_cluster(
      name: cluster[:name],
      url: cluster.dig(:cluster, :server),
      ca_pem: ca_pem
    )
  end
  kubeconfig_yaml[:contexts].each do |context|
    add_context(
      name: context[:name],
      **context[:context]&.slice(:cluster, :user, :namespace)
    )
  end
  @current_context = kubeconfig_yaml[:'current-context']
end

#to_h ⇒ Object 



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# File 'lib/gitlab/kubernetes/kubeconfig/template.rb', line 66

def to_h
  {
    apiVersion: 'v1',
    kind: 'Config',
    clusters: clusters.map(&:to_h),
    users: users.map(&:to_h),
    contexts: contexts.map(&:to_h),
    'current-context': current_context
  }.compact
end

#to_yaml ⇒ Object 



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# File 'lib/gitlab/kubernetes/kubeconfig/template.rb', line 77

def to_yaml
  YAML.dump(to_h.deep_stringify_keys)
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gitlab/kubernetes/kubeconfig/template.rb', line 20

def valid?
  contexts.present?
end