Stop emitting AUTO_DEVOPS_DOMAIN Ci variable

Update documentation to reflect removal

app/models/clusters/cluster.rb

@@ -204,7 +204,7 @@ module Clusters
     end
 
     def kube_ingress_domain
-      @kube_ingress_domain ||= domain.presence || instance_domain || legacy_auto_devops_domain
+      @kube_ingress_domain ||= domain.presence || instance_domain
     end
 
     def predefined_variables
@@ -221,24 +221,6 @@ module Clusters
       @instance_domain ||= Gitlab::CurrentSettings.auto_devops_domain
     end
 
-    # To keep backward compatibility with AUTO_DEVOPS_DOMAIN
-    # environment variable, we need to ensure KUBE_INGRESS_BASE_DOMAIN
-    # is set if AUTO_DEVOPS_DOMAIN is set on any of the following options:
-    # ProjectAutoDevops#Domain, project variables or group variables,
-    # as the AUTO_DEVOPS_DOMAIN is needed for CI_ENVIRONMENT_URL
-    #
-    # This method should is scheduled to be removed on
-    # https://gitlab.com/gitlab-org/gitlab-ce/issues/56959
-    def legacy_auto_devops_domain
-      if project_type?
-        project&.auto_devops&.domain.presence ||
-          project.variables.find_by(key: 'AUTO_DEVOPS_DOMAIN')&.value.presence ||
-          project.group&.variables&.find_by(key: 'AUTO_DEVOPS_DOMAIN')&.value.presence
-      elsif group_type?
-        group.variables.find_by(key: 'AUTO_DEVOPS_DOMAIN')&.value.presence
-      end
-    end
-
     def restrict_modification
       if provider&.on_creation?
         errors.add(:base, "cannot modify during creation")

app/models/project_auto_devops.rb

@@ -24,19 +24,8 @@ class ProjectAutoDevops < ApplicationRecord
     domain.present? || instance_domain.present?
   end
 
-  # From 11.8, AUTO_DEVOPS_DOMAIN has been replaced by KUBE_INGRESS_BASE_DOMAIN.
-  # See Clusters::Cluster#predefined_variables and https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/24580
-  # for more info.
-  #
-  # Suppport AUTO_DEVOPS_DOMAIN is scheduled to be removed on
-  # https://gitlab.com/gitlab-org/gitlab-ce/issues/52363
   def predefined_variables
     Gitlab::Ci::Variables::Collection.new.tap do |variables|
-      if has_domain?
-        variables.append(key: 'AUTO_DEVOPS_DOMAIN',
-                         value: domain.presence || instance_domain)
-      end
-
       variables.concat(deployment_strategy_default_variables)
     end
   end

changelogs/unreleased/56959-remove-auto-devops-domain-ci-variable.yml

+---
+title: Removes support for AUTO_DEVOPS_DOMAIN
+merge_request: 28460
+author:
+type: removed

doc/topics/autodevops/index.md

@@ -126,10 +126,6 @@ Auto Deploy, and Auto Monitoring will be silently skipped.
 
 ## Auto DevOps base domain
 
-NOTE: **Note**
-`AUTO_DEVOPS_DOMAIN` environment variable is deprecated and
-[is scheduled to be removed](https://gitlab.com/gitlab-org/gitlab-ce/issues/56959).
-
 The Auto DevOps base domain is required if you want to make use of [Auto
 Review Apps](#auto-review-apps) and [Auto Deploy](#auto-deploy). It can be defined
 in any of the following places:
@@ -162,6 +158,12 @@ Auto DevOps base domain to `1.2.3.4.nip.io`.
 Once set up, all requests will hit the load balancer, which in turn will route
 them to the Kubernetes pods that run your application(s).
 
+NOTE: **Note:**
+From GitLab 11.8, `KUBE_INGRESS_BASE_DOMAIN` replaces `AUTO_DEVOPS_DOMAIN`.
+Support for `AUTO_DEVOPS_DOMAIN` was [removed in GitLab
+12.0](https://gitlab.com/gitlab-org/gitlab-ce/issues/56959).
+
+
 ## Using multiple Kubernetes clusters **[PREMIUM]**
 
 When using Auto DevOps, you may want to deploy different environments to
@@ -209,10 +211,6 @@ and verifying that your app is deployed as a review app in the Kubernetes
 cluster with the `review/*` environment scope. Similarly, you can check the
 other environments.
 
-NOTE: **Note:**
-From GitLab 11.8, `KUBE_INGRESS_BASE_DOMAIN` replaces `AUTO_DEVOPS_DOMAIN`.
-`AUTO_DEVOPS_DOMAIN` [is scheduled to be removed](https://gitlab.com/gitlab-org/gitlab-ce/issues/56959).
-
 ## Enabling/Disabling Auto DevOps
 
 When first using Auto Devops, review the [requirements](#requirements) to ensure all necessary components to make
@@ -734,7 +732,6 @@ also be customized, and you can easily use a [custom buildpack](#custom-buildpac
 
 | **Variable**                 | **Description**                                                                                                                                                                                                               |
 | ------------                 | ---------------                                                                                                                                                                                                               |
-| `AUTO_DEVOPS_DOMAIN`         | The [Auto DevOps domain](#auto-devops-base-domain). By default, set automatically by the [Auto DevOps setting](#enablingdisabling-auto-devops). This variable is deprecated and [is scheduled to be removed](https://gitlab.com/gitlab-org/gitlab-ce/issues/56959). Use `KUBE_INGRESS_BASE_DOMAIN` instead. |
 | `AUTO_DEVOPS_CHART`          | The Helm Chart used to deploy your apps; defaults to the one [provided by GitLab](https://gitlab.com/gitlab-org/charts/auto-deploy-app).                                                             |
 | `AUTO_DEVOPS_CHART_REPOSITORY` | The Helm Chart repository used to search for charts; defaults to `https://charts.gitlab.io`. |
 | `AUTO_DEVOPS_CHART_REPOSITORY_NAME` | From Gitlab 11.11, this variable can be used to set the name of the helm repository; defaults to "gitlab" |

lib/gitlab/ci/templates/Jobs/Deploy.gitlab-ci.yml

@@ -507,23 +507,13 @@ rollout 100%:
     kubectl describe namespace "$KUBE_NAMESPACE" || kubectl create namespace "$KUBE_NAMESPACE"
   }
 
-  # Function to ensure backwards compatibility with AUTO_DEVOPS_DOMAIN
-  function ensure_kube_ingress_base_domain() {
-    if [ -z ${KUBE_INGRESS_BASE_DOMAIN+x} ] && [ -n "$AUTO_DEVOPS_DOMAIN" ] ; then
-      export KUBE_INGRESS_BASE_DOMAIN=$AUTO_DEVOPS_DOMAIN
-    fi
-  }
-
   function check_kube_domain() {
-    ensure_kube_ingress_base_domain
-
     if [[ -z "$KUBE_INGRESS_BASE_DOMAIN" ]]; then
       echo "In order to deploy or use Review Apps,"
-      echo "AUTO_DEVOPS_DOMAIN or KUBE_INGRESS_BASE_DOMAIN variables must be set"
+      echo "KUBE_INGRESS_BASE_DOMAIN variables must be set"
       echo "From 11.8, you can set KUBE_INGRESS_BASE_DOMAIN in cluster settings"
       echo "or by defining a variable at group or project level."
       echo "You can also manually add it in .gitlab-ci.yml"
-      echo "AUTO_DEVOPS_DOMAIN support will be dropped on 12.0"
       false
     else
       true

spec/lib/gitlab/ci/config_spec.rb

@@ -190,7 +190,6 @@ describe Gitlab::Ci::Config do
     let(:remote_file_content) do
       <<~HEREDOC
       variables:
-        AUTO_DEVOPS_DOMAIN: domain.example.com
         POSTGRES_USER: user
         POSTGRES_PASSWORD: testing-password
         POSTGRES_ENABLED: "true"
@@ -232,7 +231,6 @@ describe Gitlab::Ci::Config do
           "bundle install --jobs $(nproc)  \"${FLAGS[@]}\""
         ]
         variables = {
-          AUTO_DEVOPS_DOMAIN: "domain.example.com",
           POSTGRES_USER: "user",
           POSTGRES_PASSWORD: "testing-password",
           POSTGRES_ENABLED: "true",

spec/models/ci/build_spec.rb

@@ -2604,30 +2604,6 @@ describe Ci::Build do
       it { is_expected.to include(ci_config_path) }
     end
 
-    context 'when using auto devops' do
-      context 'and is enabled' do
-        before do
-          project.create_auto_devops!(enabled: true, domain: 'example.com')
-        end
-
-        it "includes AUTO_DEVOPS_DOMAIN" do
-          is_expected.to include(
-            { key: 'AUTO_DEVOPS_DOMAIN', value: 'example.com', public: true, masked: false })
-        end
-      end
-
-      context 'and is disabled' do
-        before do
-          project.create_auto_devops!(enabled: false, domain: 'example.com')
-        end
-
-        it "includes AUTO_DEVOPS_DOMAIN" do
-          is_expected.not_to include(
-            { key: 'AUTO_DEVOPS_DOMAIN', value: 'example.com', public: true, masked: false })
-        end
-      end
-    end
-
     context 'when pipeline variable overrides build variable' do
       before do
         build.yaml_variables = [{ key: 'MYVAR', value: 'myvar', public: true }]

spec/models/clusters/cluster_spec.rb

@@ -557,62 +557,15 @@ describe Clusters::Cluster do
     end
 
     context 'with no domain on cluster' do
-      context 'with a project cluster' do
-        let(:cluster) { create(:cluster, :project, :provided_by_gcp) }
-        let(:project) { cluster.project }
+      let(:cluster) { create(:cluster, :project, :provided_by_gcp) }
+      let(:project) { cluster.project }
 
-        context 'with domain set at instance level' do
-          before do
-            stub_application_setting(auto_devops_domain: 'global_domain.com')
-
-            it { is_expected.to eq('global_domain.com') }
-          end
-        end
-
-        context 'with domain set on ProjectAutoDevops' do
-          before do
-            auto_devops = project.build_auto_devops(domain: 'legacy-ado-domain.com')
-            auto_devops.save
-          end
-
-          it { is_expected.to eq('legacy-ado-domain.com') }
-        end
-
-        context 'with domain set as environment variable on project' do
-          before do
-            variable = project.variables.build(key: 'AUTO_DEVOPS_DOMAIN', value: 'project-ado-domain.com')
-            variable.save
-          end
-
-          it { is_expected.to eq('project-ado-domain.com') }
+      context 'with domain set at instance level' do
+        before do
+          stub_application_setting(auto_devops_domain: 'global_domain.com')
         end
 
-        context 'with domain set as environment variable on the group project' do
-          let(:group) { create(:group) }
-
-          before do
-            project.update(parent_id: group.id)
-            variable = group.variables.build(key: 'AUTO_DEVOPS_DOMAIN', value: 'group-ado-domain.com')
-            variable.save
-          end
-
-          it { is_expected.to eq('group-ado-domain.com') }
-        end
-      end
-
-      context 'with a group cluster' do
-        let(:cluster) { create(:cluster, :group, :provided_by_gcp) }
-
-        context 'with domain set as environment variable for the group' do
-          let(:group) { cluster.group }
-
-          before do
-            variable = group.variables.build(key: 'AUTO_DEVOPS_DOMAIN', value: 'group-ado-domain.com')
-            variable.save
-          end
-
-          it { is_expected.to eq('group-ado-domain.com') }
-        end
+        it { is_expected.to eq('global_domain.com') }
       end
     end
   end

spec/models/project_auto_devops_spec.rb

@@ -45,34 +45,6 @@ describe ProjectAutoDevops do
   describe '#predefined_variables' do
     let(:auto_devops) { build_stubbed(:project_auto_devops, project: project, domain: domain) }
 
-    context 'when domain is defined' do
-      let(:domain) { 'example.com' }
-
-      it 'returns AUTO_DEVOPS_DOMAIN' do
-        expect(auto_devops.predefined_variables).to include(domain_variable)
-      end
-    end
-
-    context 'when domain is not defined' do
-      let(:domain) { nil }
-
-      context 'when there is an instance domain specified' do
-        before do
-          allow(Gitlab::CurrentSettings).to receive(:auto_devops_domain).and_return('example.com')
-        end
-
-        it { expect(auto_devops.predefined_variables).to include(domain_variable) }
-      end
-
-      context 'when there is no instance domain specified' do
-        before do
-          allow(Gitlab::CurrentSettings).to receive(:auto_devops_domain).and_return(nil)
-        end
-
-        it { expect(auto_devops.predefined_variables).not_to include(domain_variable) }
-      end
-    end
-
     context 'when deploy_strategy is manual' do
       let(:auto_devops) { build_stubbed(:project_auto_devops, :manual_deployment, project: project) }
       let(:expected_variables) do
@@ -105,10 +77,6 @@ describe ProjectAutoDevops do
           .not_to include("STAGING_ENABLED", "INCREMENTAL_ROLLOUT_ENABLED")
       end
     end
-
-    def domain_variable
-      { key: 'AUTO_DEVOPS_DOMAIN', value: 'example.com', public: true }
-    end
   end
 
   describe '#create_gitlab_deploy_token' do

spec/models/project_spec.rb

@@ -3975,64 +3975,6 @@ describe Project do
     end
   end
 
-  describe '#auto_devops_variables' do
-    set(:project) { create(:project) }
-
-    subject { project.auto_devops_variables }
-
-    context 'when enabled in instance settings' do
-      before do
-        stub_application_setting(auto_devops_enabled: true)
-      end
-
-      context 'when domain is empty' do
-        before do
-          stub_application_setting(auto_devops_domain: nil)
-        end
-
-        it 'variables does not include AUTO_DEVOPS_DOMAIN' do
-          is_expected.not_to include(domain_variable)
-        end
-      end
-
-      context 'when domain is configured' do
-        before do
-          stub_application_setting(auto_devops_domain: 'example.com')
-        end
-
-        it 'variables includes AUTO_DEVOPS_DOMAIN' do
-          is_expected.to include(domain_variable)
-        end
-      end
-    end
-
-    context 'when explicitly enabled' do
-      context 'when domain is empty' do
-        before do
-          create(:project_auto_devops, project: project, domain: nil)
-        end
-
-        it 'variables does not include AUTO_DEVOPS_DOMAIN' do
-          is_expected.not_to include(domain_variable)
-        end
-      end
-
-      context 'when domain is configured' do
-        before do
-          create(:project_auto_devops, project: project, domain: 'example.com')
-        end
-
-        it 'variables includes AUTO_DEVOPS_DOMAIN' do
-          is_expected.to include(domain_variable)
-        end
-      end
-    end
-
-    def domain_variable
-      { key: 'AUTO_DEVOPS_DOMAIN', value: 'example.com', public: true }
-    end
-  end
-
   describe '#latest_successful_builds_for' do
     let(:project) { build(:project) }