Add DastScan model, dast_scans table and tests

Adds new model that groups DastSiteProfile and
DastScannerProfile.

changelogs/unreleased/philipcunningham-create-dast-scan-model-295243.yml

+---
+title: Add dast_profiles database table
+merge_request: 51296
+author:
+type: added

db/migrate/20210111051045_create_dast_profiles.rb

+# frozen_string_literal: true
+
+class CreateDastProfiles < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    table_comment = { owner: 'group::dynamic analysis', description: 'Profile used to run a DAST on-demand scan' }
+
+    create_table_with_constraints :dast_profiles, comment: table_comment.to_json do |t| # rubocop:disable Migration/AddLimitToTextColumns
+      t.references :project, null: false, foreign_key: false, index: false
+      t.references :dast_site_profile, null: false, foreign_key: { on_delete: :cascade }
+      t.references :dast_scanner_profile, null: false, foreign_key: { on_delete: :cascade }
+
+      t.timestamps_with_timezone
+
+      # rubocop:disable Migration/AddLimitToTextColumns
+      t.text :name, null: false
+      t.text :description, null: false
+      # rubocop:enable Migration/AddLimitToTextColumns
+
+      t.index [:project_id, :name], unique: true
+
+      t.text_limit :name, 255
+      t.text_limit :description, 255
+    end
+  end
+
+  def down
+    with_lock_retries do
+      drop_table :dast_profiles
+    end
+  end
+end

db/migrate/20210111053308_add_project_fk_for_dast_profile.rb

+# frozen_string_literal: true
+
+class AddProjectFkForDastProfile < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :dast_profiles, :projects, column: :project_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :dast_profiles, column: :project_id
+    end
+  end
+end

db/schema_migrations/20210111051045

+6075e469081fcca124c0c4b485071a086545b502c398314cca05052765072caf
\ No newline at end of file

db/schema_migrations/20210111053308

+a98ca25378df3fc798b6ae361b3a47b697f6b853796975221329db023cb98466
\ No newline at end of file

db/structure.sql

@@ -11589,6 +11589,30 @@ CREATE SEQUENCE custom_emoji_id_seq
 
 ALTER SEQUENCE custom_emoji_id_seq OWNED BY custom_emoji.id;
 
+CREATE TABLE dast_profiles (
+    id bigint NOT NULL,
+    project_id bigint NOT NULL,
+    dast_site_profile_id bigint NOT NULL,
+    dast_scanner_profile_id bigint NOT NULL,
+    created_at timestamp with time zone NOT NULL,
+    updated_at timestamp with time zone NOT NULL,
+    name text NOT NULL,
+    description text NOT NULL,
+    CONSTRAINT check_5fcf73bf61 CHECK ((char_length(name) <= 255)),
+    CONSTRAINT check_c34e505c24 CHECK ((char_length(description) <= 255))
+);
+
+COMMENT ON TABLE dast_profiles IS '{"owner":"group::dynamic analysis","description":"Profile used to run a DAST on-demand scan"}';
+
+CREATE SEQUENCE dast_profiles_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER SEQUENCE dast_profiles_id_seq OWNED BY dast_profiles.id;
+
 CREATE TABLE dast_scanner_profiles (
     id bigint NOT NULL,
     created_at timestamp with time zone NOT NULL,
@@ -18574,6 +18598,8 @@ ALTER TABLE ONLY csv_issue_imports ALTER COLUMN id SET DEFAULT nextval('csv_issu
 
 ALTER TABLE ONLY custom_emoji ALTER COLUMN id SET DEFAULT nextval('custom_emoji_id_seq'::regclass);
 
+ALTER TABLE ONLY dast_profiles ALTER COLUMN id SET DEFAULT nextval('dast_profiles_id_seq'::regclass);
+
 ALTER TABLE ONLY dast_scanner_profiles ALTER COLUMN id SET DEFAULT nextval('dast_scanner_profiles_id_seq'::regclass);
 
 ALTER TABLE ONLY dast_site_profiles ALTER COLUMN id SET DEFAULT nextval('dast_site_profiles_id_seq'::regclass);
@@ -19723,6 +19749,9 @@ ALTER TABLE ONLY csv_issue_imports
 ALTER TABLE ONLY custom_emoji
     ADD CONSTRAINT custom_emoji_pkey PRIMARY KEY (id);
 
+ALTER TABLE ONLY dast_profiles
+    ADD CONSTRAINT dast_profiles_pkey PRIMARY KEY (id);
+
 ALTER TABLE ONLY dast_scanner_profiles
     ADD CONSTRAINT dast_scanner_profiles_pkey PRIMARY KEY (id);
 
@@ -21546,6 +21575,12 @@ CREATE UNIQUE INDEX index_custom_emoji_on_namespace_id_and_name ON custom_emoji
 
 CREATE UNIQUE INDEX index_daily_build_group_report_results_unique_columns ON ci_daily_build_group_report_results USING btree (project_id, ref_path, date, group_name);
 
+CREATE INDEX index_dast_profiles_on_dast_scanner_profile_id ON dast_profiles USING btree (dast_scanner_profile_id);
+
+CREATE INDEX index_dast_profiles_on_dast_site_profile_id ON dast_profiles USING btree (dast_site_profile_id);
+
+CREATE UNIQUE INDEX index_dast_profiles_on_project_id_and_name ON dast_profiles USING btree (project_id, name);
+
 CREATE UNIQUE INDEX index_dast_scanner_profiles_on_project_id_and_name ON dast_scanner_profiles USING btree (project_id, name);
 
 CREATE INDEX index_dast_site_profiles_on_dast_site_id ON dast_site_profiles USING btree (dast_site_id);
@@ -24095,6 +24130,9 @@ ALTER TABLE ONLY merge_requests
 ALTER TABLE ONLY epics
     ADD CONSTRAINT fk_aa5798e761 FOREIGN KEY (closed_by_id) REFERENCES users(id) ON DELETE SET NULL;
 
+ALTER TABLE ONLY dast_profiles
+    ADD CONSTRAINT fk_aa76ef30e9 FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY alert_management_alerts
     ADD CONSTRAINT fk_aad61aedca FOREIGN KEY (environment_id) REFERENCES environments(id) ON DELETE SET NULL;
 
@@ -24569,6 +24607,9 @@ ALTER TABLE ONLY service_desk_settings
 ALTER TABLE ONLY saml_group_links
     ADD CONSTRAINT fk_rails_22e312c530 FOREIGN KEY (group_id) REFERENCES namespaces(id) ON DELETE CASCADE;
 
+ALTER TABLE ONLY dast_profiles
+    ADD CONSTRAINT fk_rails_23cae5abe1 FOREIGN KEY (dast_scanner_profile_id) REFERENCES dast_scanner_profiles(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY group_custom_attributes
     ADD CONSTRAINT fk_rails_246e0db83a FOREIGN KEY (group_id) REFERENCES namespaces(id) ON DELETE CASCADE;
 
@@ -25643,6 +25684,9 @@ ALTER TABLE ONLY alert_management_alert_user_mentions
 ALTER TABLE ONLY snippet_statistics
     ADD CONSTRAINT fk_rails_ebc283ccf1 FOREIGN KEY (snippet_id) REFERENCES snippets(id) ON DELETE CASCADE;
 
+ALTER TABLE ONLY dast_profiles
+    ADD CONSTRAINT fk_rails_ed1e66fbbf FOREIGN KEY (dast_site_profile_id) REFERENCES dast_site_profiles(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY project_security_settings
     ADD CONSTRAINT fk_rails_ed4abe1338 FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE;
 

ee/app/models/dast/profile.rb

+# frozen_string_literal: true
+
+module Dast
+  class Profile < ApplicationRecord
+    self.table_name = 'dast_profiles'
+
+    belongs_to :project
+    belongs_to :dast_site_profile
+    belongs_to :dast_scanner_profile
+
+    validates :description, length: { maximum: 255 }
+    validates :name, length: { maximum: 255 }, uniqueness: { scope: :project_id }
+    validates :project_id, :dast_site_profile_id, :dast_scanner_profile_id, presence: true
+
+    validate :project_ids_match
+
+    private
+
+    def project_ids_match
+      association_project_id_matches(dast_site_profile)
+      association_project_id_matches(dast_scanner_profile)
+    end
+
+    def association_project_id_matches(association)
+      return if association.nil?
+
+      unless project_id == association.project_id
+        errors.add(:project_id, "must match #{association.class.underscore}.project_id")
+      end
+    end
+  end
+end

ee/spec/factories/dast/profiles.rb

+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :dast_profile, class: 'Dast::Profile' do
+    project
+
+    dast_site_profile { association :dast_site_profile, project: project }
+    dast_scanner_profile { association :dast_scanner_profile, project: project }
+
+    sequence :name do |i|
+      "#{FFaker::Product.product_name.truncate(200)} - #{i}"
+    end
+
+    description { FFaker::Product.product_name }
+
+    trait :with_dast_site_validation do
+      dast_site { association :dast_site, :with_dast_site_validation, project: project }
+    end
+  end
+end

ee/spec/models/dast/profile_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Dast::Profile, type: :model do
+  subject { create(:dast_profile) }
+
+  describe 'associations' do
+    it { is_expected.to belong_to(:project) }
+    it { is_expected.to belong_to(:dast_site_profile) }
+    it { is_expected.to belong_to(:dast_scanner_profile) }
+  end
+
+  describe 'validations' do
+    it { is_expected.to be_valid }
+    it { is_expected.to validate_length_of(:name).is_at_most(255) }
+    it { is_expected.to validate_length_of(:description).is_at_most(255) }
+    it { is_expected.to validate_uniqueness_of(:name).scoped_to(:project_id) }
+    it { is_expected.to validate_presence_of(:project_id) }
+    it { is_expected.to validate_presence_of(:dast_site_profile_id) }
+    it { is_expected.to validate_presence_of(:dast_scanner_profile_id) }
+
+    context 'when the project_id and dast_site_profile.project_id do not match' do
+      let(:project) { create(:project) }
+      let(:dast_site_profile) { create(:dast_site_profile) }
+
+      subject { build(:dast_profile, project: project, dast_site_profile: dast_site_profile) }
+
+      it 'is not valid' do
+        aggregate_failures do
+          expect(subject.valid?).to be_falsey
+          expect(subject.errors.full_messages).to include('Project must match dast_site_profile.project_id')
+        end
+      end
+    end
+
+    context 'when the project_id and dast_scanner_profile.project_id do not match' do
+      let(:project) { create(:project) }
+      let(:dast_scanner_profile) { create(:dast_scanner_profile) }
+
+      subject { build(:dast_profile, project: project, dast_scanner_profile: dast_scanner_profile) }
+
+      it 'is not valid' do
+        aggregate_failures do
+          expect(subject.valid?).to be_falsey
+          expect(subject.errors.full_messages).to include('Project must match dast_scanner_profile.project_id')
+        end
+      end
+    end
+  end
+end