From a59d8996682b33454e1afcf2ab1bc23c5224e325 Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <richard@matrix.org>
Date: Wed, 3 Oct 2018 17:15:35 +0100
Subject: Pin to prometheus_client<0.4 to avoid renaming all of our metrics

---
 synapse/python_dependencies.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'synapse/python_dependencies.py')

diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index 0f339a0320..d4d983b00a 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -58,7 +58,10 @@ REQUIREMENTS = {
     "msgpack-python>=0.3.0": ["msgpack"],
     "phonenumbers>=8.2.0": ["phonenumbers"],
     "six>=1.10": ["six"],
-    "prometheus_client>=0.0.18": ["prometheus_client"],
+
+    # prometheus_client 0.4.0 changed the format of counter metrics
+    # (cf https://github.com/matrix-org/synapse/issues/4001)
+    "prometheus_client>=0.0.18,<0.4.0": ["prometheus_client"],
 
     # we use attr.s(slots), which arrived in 16.0.0
     "attrs>=16.0.0": ["attr>=16.0.0"],
-- 
cgit 1.5.1