Set registry fields to not_nullable

- type
- schema
- docs

app/graphql/types/container_repository_tag_type.rb

@@ -11,11 +11,11 @@ module Types
     field :name, GraphQL::STRING_TYPE, null: false, description: 'Name of the tag.'
     field :path, GraphQL::STRING_TYPE, null: false, description: 'Path of the tag.'
     field :location, GraphQL::STRING_TYPE, null: false, description: 'URL of the tag.'
-    field :digest, GraphQL::STRING_TYPE, null: false, description: 'Digest of the tag.'
-    field :revision, GraphQL::STRING_TYPE, null: false, description: 'Revision of the tag.'
-    field :short_revision, GraphQL::STRING_TYPE, null: false, description: 'Short revision of the tag.'
-    field :total_size, GraphQL::INT_TYPE, null: false, description: 'The size of the tag.'
-    field :created_at, Types::TimeType, null: false, description: 'Timestamp when the tag was created.'
+    field :digest, GraphQL::STRING_TYPE, null: true, description: 'Digest of the tag.'
+    field :revision, GraphQL::STRING_TYPE, null: true, description: 'Revision of the tag.'
+    field :short_revision, GraphQL::STRING_TYPE, null: true, description: 'Short revision of the tag.'
+    field :total_size, GraphQL::INT_TYPE, null: true, description: 'The size of the tag.'
+    field :created_at, Types::TimeType, null: true, description: 'Timestamp when the tag was created.'
     field :can_delete, GraphQL::BOOLEAN_TYPE, null: false, description: 'Can the current user delete this tag.'
 
     def can_delete

changelogs/unreleased/293845-allow-nullable-digest.yml

+---
+title: Fix viewing container repositories with tags with corrupted manifest
+merge_request: 50362
+author:
+type: fixed

doc/api/graphql/reference/gitlab_schema.graphql

@@ -4018,12 +4018,12 @@ type ContainerRepositoryTag {
   """
   Timestamp when the tag was created.
   """
-  createdAt: Time!
+  createdAt: Time
 
   """
   Digest of the tag.
   """
-  digest: String!
+  digest: String
 
   """
   URL of the tag.
@@ -4043,17 +4043,17 @@ type ContainerRepositoryTag {
   """
   Revision of the tag.
   """
-  revision: String!
+  revision: String
 
   """
   Short revision of the tag.
   """
-  shortRevision: String!
+  shortRevision: String
 
   """
   The size of the tag.
   """
-  totalSize: Int!
+  totalSize: Int
 }
 
 """

doc/api/graphql/reference/gitlab_schema.json

@@ -10276,13 +10276,9 @@
 
               ],
               "type": {
-                "kind": "NON_NULL",
-                "name": null,
-                "ofType": {
-                  "kind": "SCALAR",
-                  "name": "Time",
-                  "ofType": null
-                }
+                "kind": "SCALAR",
+                "name": "Time",
+                "ofType": null
               },
               "isDeprecated": false,
               "deprecationReason": null
@@ -10340,13 +10336,9 @@
 
               ],
               "type": {
-                "kind": "NON_NULL",
-                "name": null,
-                "ofType": {
-                  "kind": "SCALAR",
-                  "name": "String",
-                  "ofType": null
-                }
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
               },
               "isDeprecated": false,
               "deprecationReason": null
@@ -10358,13 +10350,9 @@
 
               ],
               "type": {
-                "kind": "NON_NULL",
-                "name": null,
-                "ofType": {
-                  "kind": "SCALAR",
-                  "name": "String",
-                  "ofType": null
-                }
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
               },
               "isDeprecated": false,
               "deprecationReason": null
@@ -10376,13 +10364,9 @@
 
               ],
               "type": {
-                "kind": "NON_NULL",
-                "name": null,
-                "ofType": {
-                  "kind": "SCALAR",
-                  "name": "String",
-                  "ofType": null
-                }
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
               },
               "isDeprecated": false,
               "deprecationReason": null
@@ -10426,13 +10410,9 @@
 
               ],
               "type": {
-                "kind": "NON_NULL",
-                "name": null,
-                "ofType": {
-                  "kind": "SCALAR",
-                  "name": "Int",
-                  "ofType": null
-                }
+                "kind": "SCALAR",
+                "name": "Int",
+                "ofType": null
               },
               "isDeprecated": false,
               "deprecationReason": null

doc/api/graphql/reference/index.md

@@ -633,14 +633,14 @@ A tag from a container repository.
 | Field | Type | Description |
 | ----- | ---- | ----------- |
 | `canDelete` | Boolean! | Can the current user delete this tag. |
-| `createdAt` | Time! | Timestamp when the tag was created. |
-| `digest` | String! | Digest of the tag. |
+| `createdAt` | Time | Timestamp when the tag was created. |
+| `digest` | String | Digest of the tag. |
 | `location` | String! | URL of the tag. |
 | `name` | String! | Name of the tag. |
 | `path` | String! | Path of the tag. |
-| `revision` | String! | Revision of the tag. |
-| `shortRevision` | String! | Short revision of the tag. |
-| `totalSize` | Int! | The size of the tag. |
+| `revision` | String | Revision of the tag. |
+| `shortRevision` | String | Short revision of the tag. |
+| `totalSize` | Int | The size of the tag. |
 
 ### CreateAlertIssuePayload
 

spec/features/projects/container_registry_spec.rb

@@ -3,6 +3,8 @@
 require 'spec_helper'
 
 RSpec.describe 'Container Registry', :js do
+  include_context 'container registry tags'
+
   let(:user) { create(:user) }
   let(:project) { create(:project) }
 
@@ -99,6 +101,20 @@ RSpec.describe 'Container Registry', :js do
         expect(page).to have_content '20'
       end
     end
+
+    describe 'with a tag missing digest' do
+      before do
+        stub_container_registry_tags(repository: %r{my/image}, tags: %w[latest stable])
+        stub_next_container_registry_tags_call(:digest, nil)
+        visit_container_registry_details 'my/image'
+      end
+
+      it 'renders the tags list correctly' do
+        expect(page).to have_content('latest')
+        expect(page).to have_content('stable')
+        expect(page).to have_content('Digest: N/A')
+      end
+    end
   end
 
   describe 'image repo details when image has no name' do

spec/fixtures/api/schemas/graphql/container_repository_details.json

@@ -11,7 +11,7 @@
           "type": "array",
           "items": {
             "type": "object",
-            "required": ["name", "path", "location", "digest", "revision", "shortRevision", "totalSize", "createdAt", "canDelete"],
+            "required": ["name", "path", "location", "canDelete"],
             "properties": {
               "name": {
                 "type": "string"

spec/requests/api/graphql/container_repository/container_repository_details_spec.rb

@@ -2,6 +2,7 @@
 require 'spec_helper'
 
 RSpec.describe 'container repository details' do
+  include_context 'container registry tags'
   using RSpec::Parameterized::TableSyntax
   include GraphqlHelpers
 
@@ -105,4 +106,20 @@ RSpec.describe 'container repository details' do
       expect(tags_response.size).to eq(limit)
     end
   end
+
+  context 'with tags without a manifest' do
+    let(:tags_response) { container_repository_details_response.dig('tags', 'nodes') }
+    let(:errors) { container_repository_details_response.dig('errors') }
+
+    %i[digest revision short_revision total_size created_at].each do |nilable_field|
+      it "returns a list of tags with a nil #{nilable_field}" do
+        stub_next_container_registry_tags_call(nilable_field, nil)
+
+        subject
+
+        expect(tags_response.size).to eq(tags.size)
+        expect(graphql_errors).to eq(nil)
+      end
+    end
+  end
 end

spec/support/shared_contexts/lib/container_registry/tags_shared_context.rb

+# frozen_string_literal: true
+
+RSpec.shared_context 'container registry tags' do
+  def stub_next_container_registry_tags_call(method_name, mock_value)
+    allow_next_instance_of(ContainerRegistry::Tag) do |tag|
+      allow(tag).to receive(method_name).and_return(mock_value)
+    end
+  end
+end