Drop etag cache on logs API

changelogs/unreleased/ak-drop-etag.yml

+---
+title: Drop etag cache on logs API
+merge_request: 24864
+author:
+type: fixed

ee/app/services/pod_logs/base_service.rb

@@ -41,15 +41,6 @@ module PodLogs
       end
     end
 
-    def reactive_cache_updated(request, _opts)
-      case request
-      when CACHE_KEY_GET_POD_LOG
-        ::Gitlab::EtagCaching::Store.new.tap do |store|
-          store.touch(etag_path)
-        end
-      end
-    end
-
     private
 
     def valid_params
@@ -130,10 +121,6 @@ module PodLogs
       raise NotImplementedError
     end
 
-    def etag_path
-      raise NotImplementedError
-    end
-
     def filter_return_keys(result)
       result.slice(*SUCCESS_RETURN_KEYS)
     end

ee/app/services/pod_logs/elasticsearch_service.rb

@@ -52,15 +52,5 @@ module PodLogs
 
       success(result)
     end
-
-    def etag_path
-      ::Gitlab::Routing.url_helpers.elasticsearch_project_logs_path(
-        environment.project,
-        params.merge({
-          environment_name: environment.name,
-          format: :json
-        })
-      )
-    end
   end
 end

ee/app/services/pod_logs/kubernetes_service.rb

@@ -46,15 +46,5 @@ module PodLogs
         error_code: e.error_code
       })
     end
-
-    def etag_path
-      ::Gitlab::Routing.url_helpers.k8s_project_logs_path(
-        environment.project,
-        params.merge({
-          environment_name: environment.name,
-          format: :json
-        })
-      )
-    end
   end
 end

ee/lib/ee/gitlab/etag_caching/router.rb

@@ -8,14 +8,6 @@ module EE
           ::Gitlab::EtagCaching::Router::Route.new(
             %r(^/groups/#{::Gitlab::PathRegex.full_namespace_route_regex}/-/epics/\d+/notes\z),
             'epic_notes'
-          ),
-          ::Gitlab::EtagCaching::Router::Route.new(
-            %r(#{::Gitlab::EtagCaching::Router::RESERVED_WORDS_PREFIX}/logs/k8s\.json(\?.*)?\z),
-            'k8s_pod_logs'
-          ),
-          ::Gitlab::EtagCaching::Router::Route.new(
-            %r(#{::Gitlab::EtagCaching::Router::RESERVED_WORDS_PREFIX}/logs/elasticsearch\.json(\?.*)?\z),
-            'elasticsearch_pod_logs'
           )
         ].freeze
 

ee/spec/lib/ee/gitlab/etag_caching/router_spec.rb

@@ -19,41 +19,4 @@ describe Gitlab::EtagCaching::Router do
 
     expect(result).to be_blank
   end
-
-  context 'k8s pod logs' do
-    it 'matches with pod_name and container_name' do
-      result = described_class.match(
-        '/environments/7/pods/pod_name/containers/container_name/logs/k8s.json'
-      )
-
-      expect(result).to be_present
-      expect(result.name).to eq 'k8s_pod_logs'
-    end
-
-    it 'matches with pod_name' do
-      result = described_class.match(
-        '/environments/7/pods/pod_name/containers/logs/k8s.json'
-      )
-
-      expect(result).to be_present
-      expect(result.name).to eq 'k8s_pod_logs'
-    end
-
-    it 'matches without pod_name and container_name' do
-      result = described_class.match(
-        '/environments/7/pods/containers/logs/k8s.json'
-      )
-
-      expect(result).to be_present
-      expect(result.name).to eq 'k8s_pod_logs'
-    end
-
-    it 'does not match non json format' do
-      result = described_class.match(
-        '/environments/7/logs'
-      )
-
-      expect(result).not_to be_present
-    end
-  end
 end

ee/spec/services/pod_logs/base_service_spec.rb

@@ -201,21 +201,4 @@ describe ::PodLogs::BaseService do
       expect(result[:message]).to eq('Container does not exist')
     end
   end
-
-  describe '#reactive_cache_updated' do
-    context 'get_pod_log' do
-      let(:cache_key) { 'get_pod_log' }
-
-      it 'expires k8s_pod_logs etag cache' do
-        expected_path = "/root/autodevops-deploy/-/logs/k8s.json"
-        allow(subject).to receive(:etag_path).and_return(expected_path)
-
-        allow_next_instance_of(Gitlab::EtagCaching::Store) do |store|
-          allow(store).to receive(:touch).with(expected_path).and_call_original
-        end
-
-        subject.reactive_cache_updated(cache_key, {})
-      end
-    end
-  end
 end