Expand scope of GraphQL pipeline resolver

Allow query to retrieve all pipelines rather than CI-only.

app/graphql/resolvers/project_pipeline_resolver.rb

@@ -10,7 +10,7 @@ module Resolvers
 
     def resolve(iid:)
       BatchLoader::GraphQL.for(iid).batch(key: project) do |iids, loader, args|
-        args[:key].ci_pipelines.for_iid(iids).each { |pl| loader.call(pl.iid.to_s, pl) }
+        args[:key].all_pipelines.for_iid(iids).each { |pl| loader.call(pl.iid.to_s, pl) }
       end
     end
   end

app/graphql/types/ci/pipeline_config_source_enum.rb

+# frozen_string_literal: true
+
+module Types
+  module Ci
+    class PipelineConfigSourceEnum < BaseEnum
+      ::Ci::PipelineEnums.config_sources.keys.each do |state_symbol|
+        value state_symbol.to_s.upcase, value: state_symbol.to_s
+      end
+    end
+  end
+end

app/graphql/types/ci/pipeline_type.rb

@@ -25,6 +25,8 @@ module Types
       field :detailed_status, Types::Ci::DetailedStatusType, null: false,
             description: 'Detailed status of the pipeline',
             resolve: -> (obj, _args, ctx) { obj.detailed_status(ctx[:current_user]) }
+      field :config_source, PipelineConfigSourceEnum, null: true,
+            description: "Config source of the pipeline (#{::Ci::PipelineEnums.config_sources.keys.join(', ').upcase})"
       field :duration, GraphQL::INT_TYPE, null: true,
             description: 'Duration of the pipeline in seconds'
       field :coverage, GraphQL::FLOAT_TYPE, null: true,

changelogs/unreleased/null-pipeline-in-graphql-response-224687.yml

+---
+title: Allow GraphQL pipeline to resolve non-CI pipelines and expose configSource field
+merge_request: 39275
+author:
+type: added

doc/api/graphql/reference/gitlab_schema.graphql

@@ -10261,6 +10261,13 @@ type Pipeline {
   """
   committedAt: Time
 
+  """
+  Config source of the pipeline (UNKNOWN_SOURCE, REPOSITORY_SOURCE,
+  AUTO_DEVOPS_SOURCE, WEBIDE_SOURCE, REMOTE_SOURCE, EXTERNAL_PROJECT_SOURCE,
+  BRIDGE_SOURCE, PARAMETER_SOURCE)
+  """
+  configSource: PipelineConfigSourceEnum
+
   """
   Coverage percentage
   """
@@ -10353,6 +10360,17 @@ type Pipeline {
   userPermissions: PipelinePermissions!
 }
 
+enum PipelineConfigSourceEnum {
+  AUTO_DEVOPS_SOURCE
+  BRIDGE_SOURCE
+  EXTERNAL_PROJECT_SOURCE
+  PARAMETER_SOURCE
+  REMOTE_SOURCE
+  REPOSITORY_SOURCE
+  UNKNOWN_SOURCE
+  WEBIDE_SOURCE
+}
+
 """
 The connection type for Pipeline.
 """

doc/api/graphql/reference/gitlab_schema.json

@@ -30652,6 +30652,20 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "configSource",
+              "description": "Config source of the pipeline (UNKNOWN_SOURCE, REPOSITORY_SOURCE, AUTO_DEVOPS_SOURCE, WEBIDE_SOURCE, REMOTE_SOURCE, EXTERNAL_PROJECT_SOURCE, BRIDGE_SOURCE, PARAMETER_SOURCE)",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "ENUM",
+                "name": "PipelineConfigSourceEnum",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "coverage",
               "description": "Coverage percentage",
@@ -30927,6 +30941,65 @@
           "enumValues": null,
           "possibleTypes": null
         },
+        {
+          "kind": "ENUM",
+          "name": "PipelineConfigSourceEnum",
+          "description": null,
+          "fields": null,
+          "inputFields": null,
+          "interfaces": null,
+          "enumValues": [
+            {
+              "name": "UNKNOWN_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "REPOSITORY_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "AUTO_DEVOPS_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "WEBIDE_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "REMOTE_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "EXTERNAL_PROJECT_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "BRIDGE_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "PARAMETER_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            }
+          ],
+          "possibleTypes": null
+        },
         {
           "kind": "OBJECT",
           "name": "PipelineConnection",

doc/api/graphql/reference/index.md

@@ -1571,6 +1571,7 @@ Information about pagination in a connection.
 | ---   |  ---- | ----------  |
 | `beforeSha` | String | Base SHA of the source branch |
 | `committedAt` | Time | Timestamp of the pipeline's commit |
+| `configSource` | PipelineConfigSourceEnum | Config source of the pipeline (UNKNOWN_SOURCE, REPOSITORY_SOURCE, AUTO_DEVOPS_SOURCE, WEBIDE_SOURCE, REMOTE_SOURCE, EXTERNAL_PROJECT_SOURCE, BRIDGE_SOURCE, PARAMETER_SOURCE) |
 | `coverage` | Float | Coverage percentage |
 | `createdAt` | Time! | Timestamp of the pipeline's creation |
 | `detailedStatus` | DetailedStatus! | Detailed status of the pipeline |

spec/graphql/resolvers/project_pipeline_resolver_spec.rb

@@ -33,4 +33,21 @@ RSpec.describe Resolvers::ProjectPipelineResolver do
   it 'errors when no iid is passed' do
     expect { resolve_pipeline(project, {}) }.to raise_error(ArgumentError)
   end
+
+  context 'when the pipeline is not a ci_config_source' do
+    let(:pipeline) do
+      config_source_value = Ci::PipelineEnums.non_ci_config_source_values.first
+      config_source = Ci::PipelineEnums.config_sources.key(config_source_value)
+
+      create(:ci_pipeline, config_source: config_source, project: project)
+    end
+
+    it 'resolves pipeline for the passed iid' do
+      result = batch_sync do
+        resolve_pipeline(project, { iid: pipeline.iid.to_s })
+      end
+
+      expect(result).to eq(pipeline)
+    end
+  end
 end

spec/requests/api/graphql/project/pipeline_spec.rb

@@ -29,4 +29,10 @@ RSpec.describe 'getting pipeline information nested in a project' do
 
     expect(pipeline_graphql_data).not_to be_nil
   end
+
+  it 'contains configSource' do
+    post_graphql(query, current_user: current_user)
+
+    expect(pipeline_graphql_data.dig('configSource')).to eq('UNKNOWN_SOURCE')
+  end
 end