notebooks: use "-" as escape character

closes SwissDataScienceCenter#252
rokroskar · May 31, 2018 · 69f654c · 69f654c
1 parent 2478c3a
commit 69f654c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/services/notebooks/notebooks_service.py b/services/notebooks/notebooks_service.py
@@ -49,7 +49,7 @@
 def _server_name(namespace, project, commit_sha):
     """Form a DNS-safe server name."""
     escape = lambda x: escapism.escape(
-        x, safe=set(string.ascii_lowercase + string.digits)
+        x, safe=set(string.ascii_lowercase + string.digits, escape_char='-')
     )
     return '{namespace}-{project}-{commit_sha}'.format(
         namespace=escape(namespace)[:10],