Minor improvements

.gitignore

@@ -2,6 +2,7 @@ test.py
 .DS_Store
 .idea
 .vscode
+old_*.py
 #
 # Github Default from https://github.com/martinohanlon/flightlight/issues/1
 # Byte-compiled / optimized / DLL files

hyperglass/api/__init__.py

@@ -1,6 +1,7 @@
 """hyperglass REST API & Web UI."""
 
 # Standard Library
+import sys
 from typing import List
 from pathlib import Path
 
@@ -265,4 +266,7 @@ def start(**kwargs):
     """Start the web server with Uvicorn ASGI."""
     import uvicorn
 
+    try:
         uvicorn.run("hyperglass.api:app", **ASGI_PARAMS, **kwargs)
+    except KeyboardInterrupt:
+        sys.exit(1)

hyperglass/configuration/models/commands/cisco_ios.py

@@ -23,7 +23,7 @@ class _IPv6(CommandSet):
     bgp_community: StrictStr = "show bgp ipv6 unicast community {target}"
     bgp_aspath: StrictStr = 'show bgp ipv6 unicast quote-regexp "{target}"'
     bgp_route: StrictStr = "show bgp ipv6 unicast {target} | exclude pathid:|Epoch"
-    ping: StrictStr = ("ping ipv6 {target} repeat 5 source {source}")
+    ping: StrictStr = "ping ipv6 {target} repeat 5 source {source}"
     traceroute: StrictStr = (
         "traceroute ipv6 {target} timeout 1 probe 2 source {source}"
     )