permit running in light-ns

src/capport/stats.py

@@ -101,4 +101,4 @@ def main():
     if len(sys.argv) != 2:
         print("Need name of client interface as argument")
         sys.exit(1)
-    trio.run(amain, sys.argv[1:])
+    trio.run(amain, sys.argv[1])

stats-to-prometheus-collector.sh

@@ -16,7 +16,12 @@ fi
 targetname="/var/lib/prometheus/node-exporter/capport-${instance}.prom"
 tmpname="${targetname}.$$"
 
-if ./stats.sh "${ifname}" > "${tmpname}"; then
+if [ -f "/run/netns/${instance}" ];then
+	_run_in_ns="/usr/sbin/ns-enter ${instance} -- "
+else
+	_run_in_ns=""
+fi
+if ${_run_in_ns} ${base}/stats.sh "${ifname}" > "${tmpname}"; then
     mv "${tmpname}" "${targetname}"
 else
     rm "${tmpname}"