summaryrefslogtreecommitdiff
path: root/lib/gitlab/kubernetes/helm/v2/install_command.rb
blob: 10e16723e451279b3546f27b103c60ae74f5f369 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
# frozen_string_literal: true

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

          attr_reader :chart, :repository, :preinstall, :postinstall
          attr_accessor :version

          def initialize(chart:, version: nil, repository: nil, preinstall: nil, postinstall: nil, **args)
            super(**args)
            @chart = chart
            @version = version
            @repository = repository
            @preinstall = preinstall
            @postinstall = postinstall
          end

          def generate_script
            super + [
              init_command,
              repository_command,
              repository_update_command,
              preinstall,
              install_command,
              postinstall
            ].compact.join("\n")
          end

          private

          # Uses `helm upgrade --install` which means we can use this for both
          # installation and uprade of applications
          def install_command
            command = ['helm', 'upgrade', name, chart] +
                      install_flag +
                      rollback_support_flag +
                      reset_values_flag +
                      optional_version_flag +
                      rbac_create_flag +
                      namespace_flag +
                      value_flag

            command.shelljoin
          end

          def install_flag
            ['--install']
          end

          def reset_values_flag
            ['--reset-values']
          end

          def value_flag
            ['-f', "/data/helm/#{name}/config/values.yaml"]
          end

          def namespace_flag
            ['--namespace', Gitlab::Kubernetes::Helm::NAMESPACE]
          end

          def rbac_create_flag
            if rbac?
              %w[--set rbac.create=true,rbac.enabled=true]
            else
              %w[--set rbac.create=false,rbac.enabled=false]
            end
          end

          def optional_version_flag
            return [] unless version

            ['--version', version]
          end

          def rollback_support_flag
            ['--atomic', '--cleanup-on-fail']
          end
        end
      end
    end
  end
end