lib/gitlab/kubernetes/helm/v2/reset_command.rb


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# frozen_string_literal: true

module Gitlab
  module Kubernetes
    module Helm
      module V2
        class ResetCommand < BaseCommand
          include ClientCommand

          def generate_script
            super + [
              reset_helm_command,
              delete_tiller_replicaset,
              delete_tiller_clusterrolebinding
            ].join("\n")
          end

          def pod_name
            "uninstall-#{name}"
          end

          private

          # This method can be delete once we upgrade Helm to > 12.13.0
          # https://gitlab.com/gitlab-org/gitlab-foss/merge_requests/27096#note_159695900
          #
          # Tracking this method to be removed here:
          # https://gitlab.com/gitlab-org/gitlab-foss/issues/52791#note_199374155
          def delete_tiller_replicaset
            delete_args = %w[replicaset -n gitlab-managed-apps -l name=tiller]

            Gitlab::Kubernetes::KubectlCmd.delete(*delete_args)
          end

          def delete_tiller_clusterrolebinding
            delete_args = %w[clusterrolebinding tiller-admin]

            Gitlab::Kubernetes::KubectlCmd.delete(*delete_args)
          end

          def reset_helm_command
            command = %w[helm reset] + optional_tls_flags

            command.shelljoin
          end
        end
      end
    end
  end
end