Handle missing keys in sentry api response

- Do not raise error when there are missing non-essential keys in sentry
api response.
- Add specs for to check for missing keys behavior.

3 files changed, 17 insertions, 3 deletions

diff --git a/app/assets/javascripts/error_tracking/store/actions.js b/app/assets/javascripts/error_tracking/store/actions.js
index d42e4f145dc..1e754a4f54f 100644
--- a/app/assets/javascripts/error_tracking/store/actions.js
+++ b/app/assets/javascripts/error_tracking/store/actions.js
@@ -20,7 +20,7 @@ export function startPolling({ commit, dispatch }, endpoint) {
       commit(types.SET_LOADING, false);
       dispatch('stopPolling');
     },
-    errorCallback: response => {
+    errorCallback: ({ response }) => {
       let errorMessage = '';
       if (response && response.data && response.data.message) {
         errorMessage = response.data.message;
diff --git a/app/models/error_tracking/project_error_tracking_setting.rb b/app/models/error_tracking/project_error_tracking_setting.rb
index 8edc04cc268..70954bf8b05 100644
--- a/app/models/error_tracking/project_error_tracking_setting.rb
+++ b/app/models/error_tracking/project_error_tracking_setting.rb
@@ -5,6 +5,9 @@ module ErrorTracking
     include Gitlab::Utils::StrongMemoize
     include ReactiveCaching
 
+    SENTRY_API_ERROR_TYPE_MISSING_KEYS = 'missing_keys_in_sentry_response'
+    SENTRY_API_ERROR_TYPE_NON_20X_RESPONSE = 'non_20x_response_from_sentry'
+
     API_URL_PATH_REGEXP = %r{
       \A
         (?<prefix>/api/0/projects/+)
@@ -90,7 +93,9 @@ module ErrorTracking
         { issues: sentry_client.list_issues(**opts.symbolize_keys) }
       end
     rescue Sentry::Client::Error => e
-      { error: e.message }
+      { error: e.message, error_type: SENTRY_API_ERROR_TYPE_NON_20X_RESPONSE }
+    rescue Sentry::Client::MissingKeysError => e
+      { error: e.message, error_type: SENTRY_API_ERROR_TYPE_MISSING_KEYS }
     end
 
     # http://HOST/api/0/projects/ORG/PROJECT
diff --git a/app/services/error_tracking/list_issues_service.rb b/app/services/error_tracking/list_issues_service.rb
index a6c6bec9598..86ab21fa865 100644
--- a/app/services/error_tracking/list_issues_service.rb
+++ b/app/services/error_tracking/list_issues_service.rb
@@ -18,7 +18,7 @@ module ErrorTracking
       end
 
       if result[:error].present?
-        return error(result[:error], :bad_request)
+        return error(result[:error], http_status_from_error_type(result[:error_type]))
       end
 
       success(issues: result[:issues])
@@ -30,6 +30,15 @@ module ErrorTracking
 
     private
 
+    def http_status_from_error_type(error_type)
+      case error_type
+      when ErrorTracking::ProjectErrorTrackingSetting::SENTRY_API_ERROR_TYPE_MISSING_KEYS
+        :internal_server_error
+      else
+        :bad_request
+      end
+    end
+
     def project_error_tracking_setting
       project.error_tracking_setting
     end