Add Corpus model

db/migrate/20211004062942_create_coverage_fuzzing_corpuses.rb

+# frozen_string_literal: true
+
+class CreateCoverageFuzzingCorpuses < Gitlab::Database::Migration[1.0]
+  def change
+    create_table :coverage_fuzzing_corpuses do |t|
+      t.bigint :project_id, null: false
+      t.bigint :user_id
+      t.bigint :package_id, null: false
+
+      t.datetime_with_timezone :file_updated_at, null: false, default: -> { 'NOW()' }
+      t.timestamps_with_timezone null: false
+
+      t.index :project_id
+      t.index :user_id
+      t.index :package_id
+    end
+  end
+end

db/migrate/20211005063519_add_foreign_key_to_corpuses_on_project.rb

+# frozen_string_literal: true
+
+class AddForeignKeyToCorpusesOnProject < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :coverage_fuzzing_corpuses, :projects, column: :project_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :coverage_fuzzing_corpuses, column: :project_id
+    end
+  end
+end

db/migrate/20211005063616_add_foreign_key_to_corpuses_on_user.rb

+# frozen_string_literal: true
+
+class AddForeignKeyToCorpusesOnUser < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :coverage_fuzzing_corpuses, :users, column: :user_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :coverage_fuzzing_corpuses, column: :user_id
+    end
+  end
+end

db/migrate/20211005063723_add_foreign_key_to_corpuses_on_package.rb

+# frozen_string_literal: true
+
+class AddForeignKeyToCorpusesOnPackage < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :coverage_fuzzing_corpuses, :packages_packages, column: :package_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :coverage_fuzzing_corpuses, column: :package_id
+    end
+  end
+end

db/schema_migrations/20211004062942

+95dcfdc6c03705b0db5e96d669051edf335b5d6501243f70588f9b73478116a6
\ No newline at end of file

db/schema_migrations/20211005063519

+e45163c2d0d691fb5deab86d024c4edb8e3cd350271418e1ff132c31e2ca90a3
\ No newline at end of file

db/schema_migrations/20211005063616

+20d35e9baae343bccbb67a25eacd7fdb4b32fd4cedd95e6f8f7a2933470350fb
\ No newline at end of file

db/schema_migrations/20211005063723

+4659ab6d971b03d9b44dda72fe1b571c5050fd6892cb4f16f2ca1ced0905c1ce
\ No newline at end of file

db/structure.sql

@@ -12724,6 +12724,25 @@ CREATE SEQUENCE conversational_development_index_metrics_id_seq
 
 ALTER SEQUENCE conversational_development_index_metrics_id_seq OWNED BY conversational_development_index_metrics.id;
 
+CREATE TABLE coverage_fuzzing_corpuses (
+    id bigint NOT NULL,
+    project_id bigint NOT NULL,
+    user_id bigint,
+    package_id bigint NOT NULL,
+    file_updated_at timestamp with time zone DEFAULT now() NOT NULL,
+    created_at timestamp with time zone NOT NULL,
+    updated_at timestamp with time zone NOT NULL
+);
+
+CREATE SEQUENCE coverage_fuzzing_corpuses_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER SEQUENCE coverage_fuzzing_corpuses_id_seq OWNED BY coverage_fuzzing_corpuses.id;
+
 CREATE TABLE csv_issue_imports (
     id bigint NOT NULL,
     project_id bigint NOT NULL,
@@ -21143,6 +21162,8 @@ ALTER TABLE ONLY container_repositories ALTER COLUMN id SET DEFAULT nextval('con
 
 ALTER TABLE ONLY conversational_development_index_metrics ALTER COLUMN id SET DEFAULT nextval('conversational_development_index_metrics_id_seq'::regclass);
 
+ALTER TABLE ONLY coverage_fuzzing_corpuses ALTER COLUMN id SET DEFAULT nextval('coverage_fuzzing_corpuses_id_seq'::regclass);
+
 ALTER TABLE ONLY csv_issue_imports ALTER COLUMN id SET DEFAULT nextval('csv_issue_imports_id_seq'::regclass);
 
 ALTER TABLE ONLY custom_emoji ALTER COLUMN id SET DEFAULT nextval('custom_emoji_id_seq'::regclass);
@@ -22648,6 +22669,9 @@ ALTER TABLE ONLY container_repositories
 ALTER TABLE ONLY conversational_development_index_metrics
     ADD CONSTRAINT conversational_development_index_metrics_pkey PRIMARY KEY (id);
 
+ALTER TABLE ONLY coverage_fuzzing_corpuses
+    ADD CONSTRAINT coverage_fuzzing_corpuses_pkey PRIMARY KEY (id);
+
 ALTER TABLE ONLY csv_issue_imports
     ADD CONSTRAINT csv_issue_imports_pkey PRIMARY KEY (id);
 
@@ -24803,6 +24827,12 @@ CREATE UNIQUE INDEX index_container_repositories_on_project_id_and_name ON conta
 
 CREATE INDEX index_container_repository_on_name_trigram ON container_repositories USING gin (name gin_trgm_ops);
 
+CREATE INDEX index_coverage_fuzzing_corpuses_on_package_id ON coverage_fuzzing_corpuses USING btree (package_id);
+
+CREATE INDEX index_coverage_fuzzing_corpuses_on_project_id ON coverage_fuzzing_corpuses USING btree (project_id);
+
+CREATE INDEX index_coverage_fuzzing_corpuses_on_user_id ON coverage_fuzzing_corpuses USING btree (user_id);
+
 CREATE INDEX index_created_at_on_codeowner_approval_merge_request_rules ON approval_merge_request_rules USING btree (created_at) WHERE ((rule_type = 2) AND (section <> 'codeowners'::text));
 
 CREATE INDEX index_csv_issue_imports_on_project_id ON csv_issue_imports USING btree (project_id);
@@ -27496,6 +27526,9 @@ ALTER TABLE ONLY boards
 ALTER TABLE ONLY epics
     ADD CONSTRAINT fk_1fbed67632 FOREIGN KEY (start_date_sourcing_milestone_id) REFERENCES milestones(id) ON DELETE SET NULL;
 
+ALTER TABLE ONLY coverage_fuzzing_corpuses
+    ADD CONSTRAINT fk_204d40056a FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY geo_container_repository_updated_events
     ADD CONSTRAINT fk_212c89c706 FOREIGN KEY (container_repository_id) REFERENCES container_repositories(id) ON DELETE CASCADE;
 
@@ -27535,6 +27568,9 @@ ALTER TABLE ONLY geo_event_log
 ALTER TABLE ONLY deployments
     ADD CONSTRAINT fk_289bba3222 FOREIGN KEY (cluster_id) REFERENCES clusters(id) ON DELETE SET NULL;
 
+ALTER TABLE ONLY coverage_fuzzing_corpuses
+    ADD CONSTRAINT fk_29f6f15f82 FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY agent_group_authorizations
     ADD CONSTRAINT fk_2c9f941965 FOREIGN KEY (group_id) REFERENCES namespaces(id) ON DELETE CASCADE;
 
@@ -28177,6 +28213,9 @@ ALTER TABLE ONLY application_settings
 ALTER TABLE ONLY events
     ADD CONSTRAINT fk_edfd187b6f FOREIGN KEY (author_id) REFERENCES users(id) ON DELETE CASCADE;
 
+ALTER TABLE ONLY coverage_fuzzing_corpuses
+    ADD CONSTRAINT fk_ef5ebf339f FOREIGN KEY (package_id) REFERENCES packages_packages(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY vulnerabilities
     ADD CONSTRAINT fk_efb96ab1e2 FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE;
 

ee/app/models/app_sec/fuzzing/coverage/corpus.rb

+# frozen_string_literal: true
+
+module AppSec
+  module Fuzzing
+    module Coverage
+      class Corpus < ApplicationRecord
+        self.table_name = 'coverage_fuzzing_corpuses'
+
+        belongs_to :package, class_name: 'Packages::Package'
+        belongs_to :user, optional: true
+        belongs_to :project
+      end
+    end
+  end
+end

ee/spec/factories/app_sec/fuzzing/coverage/corpuses.rb

+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :corpus, class: 'AppSec::Fuzzing::Coverage::Corpus' do
+    user
+    package
+    project
+  end
+end

ee/spec/models/app_sec/fuzzing/coverage/corpus_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe AppSec::Fuzzing::Coverage::Corpus, type: :model do
+  let(:corpus) { create(:corpus) }
+
+  subject { corpus }
+
+  describe 'associations' do
+    it { is_expected.to belong_to(:package).class_name('Packages::Package') }
+    it { is_expected.to belong_to(:user).optional }
+    it { is_expected.to belong_to(:project) }
+  end
+end