Return the correct project in job/allowed_agents API response

When calling this endpoint KAS is expecting to receive the agent
configuration project, not the project being authorized.

Changelog: fixed

app/models/clusters/agents/group_authorization.rb

@@ -10,7 +10,9 @@ module Clusters
 
       validates :config, json_schema: { filename: 'cluster_agent_authorization_configuration' }
 
-      delegate :project, to: :agent
+      def config_project
+        agent.project
+      end
     end
   end
 end

app/models/clusters/agents/implicit_authorization.rb

@@ -6,12 +6,15 @@ module Clusters
       attr_reader :agent
 
       delegate :id, to: :agent, prefix: true
-      delegate :project, to: :agent
 
       def initialize(agent:)
         @agent = agent
       end
 
+      def config_project
+        agent.project
+      end
+
       def config
         nil
       end

app/models/clusters/agents/project_authorization.rb

@@ -9,6 +9,10 @@ module Clusters
       belongs_to :project, class_name: '::Project', optional: false
 
       validates :config, json_schema: { filename: 'cluster_agent_authorization_configuration' }
+
+      def config_project
+        agent.project
+      end
     end
   end
 end

lib/api/entities/clusters/agent_authorization.rb

@@ -5,7 +5,7 @@ module API
     module Clusters
       class AgentAuthorization < Grape::Entity
         expose :agent_id, as: :id
-        expose :project, with: Entities::ProjectIdentity, as: :config_project
+        expose :config_project, with: Entities::ProjectIdentity
         expose :config, as: :configuration
       end
     end

spec/lib/api/entities/clusters/agent_authorization_spec.rb

@@ -3,15 +3,34 @@
 require 'spec_helper'
 
 RSpec.describe API::Entities::Clusters::AgentAuthorization do
-  let_it_be(:authorization) { create(:agent_group_authorization) }
-
   subject { described_class.new(authorization).as_json }
 
-  it 'includes basic fields' do
+  shared_examples 'generic authorization' do
+    it 'includes shared fields' do
       expect(subject).to include(
         id: authorization.agent_id,
         config_project: a_hash_including(id: authorization.agent.project_id),
         configuration: authorization.config
       )
     end
+  end
+
+  context 'project authorization' do
+    let(:authorization) { create(:agent_project_authorization) }
+
+    include_examples 'generic authorization'
+  end
+
+  context 'group authorization' do
+    let(:authorization) { create(:agent_group_authorization) }
+
+    include_examples 'generic authorization'
+  end
+
+  context 'implicit authorization' do
+    let(:agent) { create(:cluster_agent) }
+    let(:authorization) { Clusters::Agents::ImplicitAuthorization.new(agent: agent) }
+
+    include_examples 'generic authorization'
+  end
 end

spec/models/clusters/agents/group_authorization_spec.rb

@@ -7,4 +7,10 @@ RSpec.describe Clusters::Agents::GroupAuthorization do
   it { is_expected.to belong_to(:group).class_name('::Group').required }
 
   it { expect(described_class).to validate_jsonb_schema(['config']) }
+
+  describe '#config_project' do
+    let(:record) { create(:agent_group_authorization) }
+
+    it { expect(record.config_project).to eq(record.agent.project) }
+  end
 end

spec/models/clusters/agents/implicit_authorization_spec.rb

@@ -9,6 +9,6 @@ RSpec.describe Clusters::Agents::ImplicitAuthorization do
 
   it { expect(subject.agent).to eq(agent) }
   it { expect(subject.agent_id).to eq(agent.id) }
-  it { expect(subject.project).to eq(agent.project) }
+  it { expect(subject.config_project).to eq(agent.project) }
   it { expect(subject.config).to be_nil }
 end

spec/models/clusters/agents/project_authorization_spec.rb

@@ -7,4 +7,10 @@ RSpec.describe Clusters::Agents::ProjectAuthorization do
   it { is_expected.to belong_to(:project).class_name('Project').required }
 
   it { expect(described_class).to validate_jsonb_schema(['config']) }
+
+  describe '#config_project' do
+    let(:record) { create(:agent_project_authorization) }
+
+    it { expect(record.config_project).to eq(record.agent.project) }
+  end
 end