[management] /status/info endpoint

that returns information about timers

CHANGELOG.md

@@ -17,6 +17,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Backend HTTP client that uses cosockets [PR #295](https://github.com/3scale/apicast/pull/295)
 - Ability to customize main section of nginx configuration (and expose more env variables) [PR #292](https://github.com/3scale/apicast/pull/292)
 - Ability to lock service to specific configuration version [PR #293](https://github.com/3scale/apicast/pull/292)
+- Experimental option for true out of band reporting (`APICAST_REPORTING_WORKERS`) [PR #290](https://github.com/3scale/apicast/pull/290)
+- `/status/info` endpoint to the Management API [PR #290](https://github.com/3scale/apicast/pull/290)
 
 ### Removed
 

apicast/src/management.lua

@@ -113,13 +113,28 @@ function _M.disabled()
   ngx.exit(ngx.HTTP_FORBIDDEN)
 end
 
+function _M.info()
+  return json_response({
+    timers = {
+      pending = ngx.timer.pending_count(),
+      running = ngx.timer.running_count()
+    },
+    worker = {
+      exiting = ngx.worker.exiting(),
+      count = ngx.worker.count(),
+      id = ngx.worker.id()
+    }
+  })
+end
+
 local routes = {}
 
 function routes.disabled(r)
   r:get('/', _M.disabled)
 end
 
 function routes.status(r)
+  r:get('/status/info', _M.info)
   r:get('/status/ready', _M.ready)
   r:get('/status/live', _M.live)
 end

doc/management-api.md

@@ -82,3 +82,13 @@ Available endpoints:
   ```json
   { "status": "live", "success": true }
   ```
+
+- `GET /status/info`
+  Returns internal information about timers and workers.
+
+  ```json
+  {
+    "timers": { "pending": 0, "running": 0 },
+    "worker": { "count":1, "exiting": false, "id": 0 }
+  }
+  ```

t/001-management.t

@@ -349,3 +349,19 @@ POST /config
 --- error_code: 406
 --- no_error_log
 [error]
+
+=== TEST 16: status information
+Has information about timers and time.
+--- main_config
+env APICAST_MANAGEMENT_API=status;
+--- http_config
+  lua_package_path "$TEST_NGINX_LUA_PATH";
+--- config
+include $TEST_NGINX_MANAGEMENT_CONFIG;
+--- request
+GET /status/info
+--- response_body
+{"timers":{"pending":0,"running":0},"worker":{"count":1,"exiting":false,"id":0}}
+--- error_code: 200
+--- no_error_log
+[error]