feat: upgrade to pypy6 for debug symbols

and include its new gc.get_stats in memusage

Closes #1288

Dockerfile

@@ -1,4 +1,4 @@
-FROM pypy:2-5.9.0
+FROM pypy:2-6.0.0
 
 RUN mkdir -p /app
 ADD . /app

autopush/memusage.py

@@ -41,6 +41,8 @@ def trap_err(func, *args, **kwargs):
     trap_err(pmap_extended, buf)
     trap_err(jemalloc_stats, buf)
     trap_err(glibc_malloc_info, buf)
+    if hasattr(gc, 'get_stats'):
+        buf.writelines(['\n\n', gc.get_stats(), '\n\n'])
     if do_dump_rpy_heap:
         # dump rpython's heap before objgraph potentially pollutes the
         # heap with its heavy workload

autopush/router/gcm.py

@@ -139,7 +139,7 @@ def _route(self, notification, uaid_data):
                                        self._base_tags,
                                        reason="timeout"))
             raise RouterException("Server error", status_code=502,
-                                  errno=902,
+                                  errno=903,
                                   log_exception=False)
         except Exception as e:
             self.log.error("Unhandled exception in GCM Routing: %s" % e)

autopush/tests/test_integration.py

@@ -2190,6 +2190,8 @@ def test_memusage(self):
             assert 'size: ' in body
             assert 'rpy_unicode' in body
             assert 'get_stats_asmmemmgr: (' in body
+            if sys.pypy_version_info.major >= 6:
+                assert 'Total memory allocated:' in body
 
     @inlineCallbacks
     def test_memusage_options(self):

docs/http.rst

@@ -129,6 +129,13 @@ Unless otherwise specified, all calls return one the following error statuses:
 
    - errno 999 - Unknown error
 
+-  502 - **Bad Gateway** - The Push Service received an invalid response from an upstream Bridge service.
+
+   - errno 900 - Internal Bridge misconfiguration
+   - errno 901 - Invalid authentication
+   - errno 902 - An error occurred while establishing a connection
+   - errno 903 - The request timed out
+
 -  503 - **Server temporarily unavaliable.** - The Push Service is currently unavailable. See the error number "errno" value to see if retries are available.
 
    -  errno 201 - Use exponential back-off for retries