haproxy plugin: description to python readme added

diff --git a/python.d/README.md b/python.d/README.md
index d0ad5120f2be4c59b6298cef8500edab5c1081fe..f5c1014595d62f0aa46d12bf2382b31175c81eea 100644 (file)
--- a/python.d/README.md
+++ b/python.d/README.md
@@ -412,6 +412,56 @@ and restart/reload your FREERADIUS server.
 
 ---
 
+# haproxy
+
+Module monitors frontend and backend metrics such as bytes in, bytes out, session current, session in queue current.
+And health metrics such as backend servers status (server check should be used).
+
+Plugin can obtain data from url **OR** unix socket.
+
+**Requirement:**
+Socket MUST be readable AND writable by netdata user.
+
+It produces:
+
+1. **Frontend** family charts
+* Kilobytes in/s 
+* Kilobytes out/s
+* Sessions current
+* Sessions in queue current
+
+2. **Backend** family charts
+* Kilobytes in/s 
+* Kilobytes out/s
+* Sessions current
+* Sessions in queue current
+
+3. **Health** chart
+ * number of failed servers for every backend (in DOWN state)
+
+
+### configuration
+
+Sample:
+
+```yaml
+via_url:
+  user       : 'username' # ONLY IF stats auth is used
+  pass       : 'password' # # ONLY IF stats auth is used
+  url     : 'http://ip.address:port/url;csv;norefresh'
+```
+
+OR
+
+```yaml
+via_socket:
+  socket       : 'path/to/haproxy/sock'
+```
+
+If no configuration is given, module will fail to run.
+
+---
+
 # hddtemp
  
 Module monitors disk temperatures from one or more hddtemp daemons.