Add Ci::Build graphql mutations

This adds the Play and Retry mutations for the
Ci::Build namespace

Changelog: added

app/graphql/mutations/ci/job/base.rb

+# frozen_string_literal: true
+
+module Mutations
+  module Ci
+    module Job
+      class Base < BaseMutation
+        JobID = ::Types::GlobalIDType[::Ci::Build]
+
+        argument :id, JobID,
+                 required: true,
+                 description: 'The ID of the job to mutate.'
+
+        def find_object(id: )
+          # TODO: remove this line when the compatibility layer is removed
+          # See: https://gitlab.com/gitlab-org/gitlab/-/issues/257883
+          id = JobID.coerce_isolated_input(id)
+          GlobalID::Locator.locate(id)
+        end
+      end
+    end
+  end
+end

app/graphql/mutations/ci/job/play.rb

+# frozen_string_literal: true
+
+module Mutations
+  module Ci
+    module Job
+      class Play < Base
+        graphql_name 'JobPlay'
+
+        field :job,
+              Types::Ci::JobType,
+              null: true,
+              description: 'The job after the mutation.'
+
+        authorize :update_build
+
+        def resolve(id:)
+          job = authorized_find!(id: id)
+          project = job.project
+
+          ::Ci::PlayBuildService.new(project, current_user).execute(job)
+          {
+            job: job,
+            errors: errors_on_object(job)
+          }
+        end
+      end
+    end
+  end
+end

app/graphql/mutations/ci/job/retry.rb

+# frozen_string_literal: true
+
+module Mutations
+  module Ci
+    module Job
+      class Retry < Base
+        graphql_name 'JobRetry'
+
+        field :job,
+              Types::Ci::JobType,
+              null: true,
+              description: 'The job after the mutation.'
+
+        authorize :update_build
+
+        def resolve(id:)
+          job = authorized_find!(id: id)
+          project = job.project
+
+          ::Ci::RetryBuildService.new(project, current_user).execute(job)
+          {
+            job: job,
+            errors: errors_on_object(job)
+          }
+        end
+      end
+    end
+  end
+end

app/graphql/types/mutation_type.rb

@@ -94,6 +94,8 @@ module Types
     mount_mutation Mutations::Ci::Pipeline::Destroy
     mount_mutation Mutations::Ci::Pipeline::Retry
     mount_mutation Mutations::Ci::CiCdSettingsUpdate
+    mount_mutation Mutations::Ci::Job::Play
+    mount_mutation Mutations::Ci::Job::Retry
     mount_mutation Mutations::Namespace::PackageSettings::Update
     mount_mutation Mutations::UserCallouts::Create
   end

changelogs/unreleased/jivanvl-add-ci-job-mutations-graphql.yml

+---
+title: Add Ci::Build graphql mutations
+merge_request: 60443
+author:
+type: added

doc/api/graphql/reference/index.md

@@ -2602,6 +2602,44 @@ Input type: `JiraImportUsersInput`
 | <a id="mutationjiraimportuserserrors"></a>`errors` | [`[String!]!`](#string) | Errors encountered during execution of the mutation. |
 | <a id="mutationjiraimportusersjirausers"></a>`jiraUsers` | [`[JiraUser!]`](#jirauser) | Users returned from Jira, matched by email and name if possible. |
 
+### `Mutation.jobPlay`
+
+Input type: `JobPlayInput`
+
+#### Arguments
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="mutationjobplayclientmutationid"></a>`clientMutationId` | [`String`](#string) | A unique identifier for the client performing the mutation. |
+| <a id="mutationjobplayid"></a>`id` | [`CiBuildID!`](#cibuildid) | The ID of the job to mutate. |
+
+#### Fields
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="mutationjobplayclientmutationid"></a>`clientMutationId` | [`String`](#string) | A unique identifier for the client performing the mutation. |
+| <a id="mutationjobplayerrors"></a>`errors` | [`[String!]!`](#string) | Errors encountered during execution of the mutation. |
+| <a id="mutationjobplayjob"></a>`job` | [`CiJob`](#cijob) | The job after the mutation. |
+
+### `Mutation.jobRetry`
+
+Input type: `JobRetryInput`
+
+#### Arguments
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="mutationjobretryclientmutationid"></a>`clientMutationId` | [`String`](#string) | A unique identifier for the client performing the mutation. |
+| <a id="mutationjobretryid"></a>`id` | [`CiBuildID!`](#cibuildid) | The ID of the job to mutate. |
+
+#### Fields
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="mutationjobretryclientmutationid"></a>`clientMutationId` | [`String`](#string) | A unique identifier for the client performing the mutation. |
+| <a id="mutationjobretryerrors"></a>`errors` | [`[String!]!`](#string) | Errors encountered during execution of the mutation. |
+| <a id="mutationjobretryjob"></a>`job` | [`CiJob`](#cijob) | The job after the mutation. |
+
 ### `Mutation.labelCreate`
 
 Input type: `LabelCreateInput`
@@ -14555,6 +14593,12 @@ An example `BoardsEpicListID` is: `"gid://gitlab/Boards::EpicList/1"`.
 
 Represents `true` or `false` values.
 
+### `CiBuildID`
+
+A `CiBuildID` is a global ID. It is encoded as a string.
+
+An example `CiBuildID` is: `"gid://gitlab/Ci::Build/1"`.
+
 ### `CiPipelineID`
 
 A `CiPipelineID` is a global ID. It is encoded as a string.

spec/requests/api/graphql/mutations/ci/job_play_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'JobPlay' do
+  include GraphqlHelpers
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:project) { create(:project) }
+  let_it_be(:pipeline) { create(:ci_pipeline, project: project, user: user) }
+  let_it_be(:job) { create(:ci_build, pipeline: pipeline, name: 'build') }
+
+  let(:mutation) do
+    variables = {
+      id: job.to_global_id.to_s
+    }
+    graphql_mutation(:job_play, variables,
+                     <<-QL
+                       errors
+                       job {
+                         id
+                       }
+                     QL
+    )
+  end
+
+  let(:mutation_response) { graphql_mutation_response(:job_play) }
+
+  before_all do
+    project.add_maintainer(user)
+  end
+
+  it 'returns an error if the user is not allowed to play the job' do
+    post_graphql_mutation(mutation, current_user: create(:user))
+
+    expect(graphql_errors).not_to be_empty
+  end
+
+  it 'plays a job' do
+    job_id = ::Gitlab::GlobalId.build(job, id: job.id).to_s
+    post_graphql_mutation(mutation, current_user: user)
+
+    expect(response).to have_gitlab_http_status(:success)
+    expect(mutation_response['job']['id']).to eq(job_id)
+  end
+end

spec/requests/api/graphql/mutations/ci/job_retry_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'JobRetry' do
+  include GraphqlHelpers
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:project) { create(:project) }
+  let_it_be(:pipeline) { create(:ci_pipeline, project: project, user: user) }
+  let_it_be(:job) { create(:ci_build, :success, pipeline: pipeline, name: 'build') }
+
+  let(:mutation) do
+    variables = {
+      id: job.to_global_id.to_s
+    }
+    graphql_mutation(:job_retry, variables,
+                     <<-QL
+                       errors
+                       job {
+                         id
+                       }
+                     QL
+    )
+  end
+
+  let(:mutation_response) { graphql_mutation_response(:job_retry) }
+
+  before_all do
+    project.add_maintainer(user)
+  end
+
+  it 'returns an error if the user is not allowed to retry the job' do
+    post_graphql_mutation(mutation, current_user: create(:user))
+
+    expect(graphql_errors).not_to be_empty
+  end
+
+  it 'retries a job' do
+    job_id = ::Gitlab::GlobalId.build(job, id: job.id).to_s
+    post_graphql_mutation(mutation, current_user: user)
+
+    expect(response).to have_gitlab_http_status(:success)
+    expect(mutation_response['job']['id']).to eq(job_id)
+  end
+end