Added group_deploy_key_groups table

Added migration file and db structure updates.

changelogs/unreleased/215160-add-intermediate-group-deploy-key-table.yml

+---
+title: Create group_deploy_keys_groups intermediate table
+merge_request: 32901
+author:
+type: added

db/migrate/20200522205606_create_group_deploy_keys_group.rb

+# frozen_string_literal: true
+
+class CreateGroupDeployKeysGroup < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      create_table :group_deploy_keys_groups do |t|
+        t.timestamps_with_timezone
+
+        t.references :group, index: false, null: false, foreign_key: { to_table: :namespaces, on_delete: :cascade }
+        t.references :group_deploy_key, null: false, foreign_key: { on_delete: :cascade }
+
+        t.index [:group_id, :group_deploy_key_id], unique: true, name: 'index_group_deploy_keys_group_on_group_deploy_key_and_group_ids'
+      end
+    end
+  end
+
+  def down
+    with_lock_retries do
+      # rubocop:disable Migration/DropTable
+      drop_table :group_deploy_keys_groups
+      # rubocop:enable Migration/DropTable
+    end
+  end
+end

db/structure.sql

@@ -3204,6 +3204,23 @@ CREATE TABLE public.group_deploy_keys (
     CONSTRAINT check_f58fa0a0f7 CHECK ((char_length(key) <= 4096))
 );
 
+CREATE TABLE public.group_deploy_keys_groups (
+    id bigint NOT NULL,
+    created_at timestamp with time zone NOT NULL,
+    updated_at timestamp with time zone NOT NULL,
+    group_id bigint NOT NULL,
+    group_deploy_key_id bigint NOT NULL
+);
+
+CREATE SEQUENCE public.group_deploy_keys_groups_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER SEQUENCE public.group_deploy_keys_groups_id_seq OWNED BY public.group_deploy_keys_groups.id;
+
 CREATE SEQUENCE public.group_deploy_keys_id_seq
     START WITH 1
     INCREMENT BY 1
@@ -7731,6 +7748,8 @@ ALTER TABLE ONLY public.group_custom_attributes ALTER COLUMN id SET DEFAULT next
 
 ALTER TABLE ONLY public.group_deploy_keys ALTER COLUMN id SET DEFAULT nextval('public.group_deploy_keys_id_seq'::regclass);
 
+ALTER TABLE ONLY public.group_deploy_keys_groups ALTER COLUMN id SET DEFAULT nextval('public.group_deploy_keys_groups_id_seq'::regclass);
+
 ALTER TABLE ONLY public.group_deploy_tokens ALTER COLUMN id SET DEFAULT nextval('public.group_deploy_tokens_id_seq'::regclass);
 
 ALTER TABLE ONLY public.group_group_links ALTER COLUMN id SET DEFAULT nextval('public.group_group_links_id_seq'::regclass);
@@ -8539,6 +8558,9 @@ ALTER TABLE ONLY public.group_custom_attributes
 ALTER TABLE ONLY public.group_deletion_schedules
     ADD CONSTRAINT group_deletion_schedules_pkey PRIMARY KEY (group_id);
 
+ALTER TABLE ONLY public.group_deploy_keys_groups
+    ADD CONSTRAINT group_deploy_keys_groups_pkey PRIMARY KEY (id);
+
 ALTER TABLE ONLY public.group_deploy_keys
     ADD CONSTRAINT group_deploy_keys_pkey PRIMARY KEY (id);
 
@@ -9997,6 +10019,10 @@ CREATE INDEX index_group_deletion_schedules_on_marked_for_deletion_on ON public.
 
 CREATE INDEX index_group_deletion_schedules_on_user_id ON public.group_deletion_schedules USING btree (user_id);
 
+CREATE UNIQUE INDEX index_group_deploy_keys_group_on_group_deploy_key_and_group_ids ON public.group_deploy_keys_groups USING btree (group_id, group_deploy_key_id);
+
+CREATE INDEX index_group_deploy_keys_groups_on_group_deploy_key_id ON public.group_deploy_keys_groups USING btree (group_deploy_key_id);
+
 CREATE UNIQUE INDEX index_group_deploy_keys_on_fingerprint ON public.group_deploy_keys USING btree (fingerprint);
 
 CREATE INDEX index_group_deploy_keys_on_fingerprint_sha256 ON public.group_deploy_keys USING btree (fingerprint_sha256);
@@ -12704,6 +12730,9 @@ ALTER TABLE ONLY public.project_repositories
 ALTER TABLE ONLY public.packages_nuget_dependency_link_metadata
     ADD CONSTRAINT fk_rails_c3313ee2e4 FOREIGN KEY (dependency_link_id) REFERENCES public.packages_dependency_links(id) ON DELETE CASCADE;
 
+ALTER TABLE ONLY public.group_deploy_keys_groups
+    ADD CONSTRAINT fk_rails_c3854f19f5 FOREIGN KEY (group_deploy_key_id) REFERENCES public.group_deploy_keys(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY public.merge_request_user_mentions
     ADD CONSTRAINT fk_rails_c440b9ea31 FOREIGN KEY (note_id) REFERENCES public.notes(id) ON DELETE CASCADE;
 
@@ -12842,6 +12871,9 @@ ALTER TABLE ONLY public.merge_request_metrics
 ALTER TABLE ONLY public.draft_notes
     ADD CONSTRAINT fk_rails_e753681674 FOREIGN KEY (merge_request_id) REFERENCES public.merge_requests(id) ON DELETE CASCADE;
 
+ALTER TABLE ONLY public.group_deploy_keys_groups
+    ADD CONSTRAINT fk_rails_e87145115d FOREIGN KEY (group_id) REFERENCES public.namespaces(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY public.description_versions
     ADD CONSTRAINT fk_rails_e8f4caf9c7 FOREIGN KEY (epic_id) REFERENCES public.epics(id) ON DELETE CASCADE;
 
@@ -13945,6 +13977,7 @@ COPY "schema_migrations" (version) FROM STDIN;
 20200521225327
 20200521225337
 20200521225346
+20200522205606
 20200522235146
 20200525114553
 20200525121014