Add basic Zeek stats script

salt/common/tools/sbin/so-zeek-stats

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# Copyright 2014,2015,2016,2017,2018,2019,2020 Security Onion Solutions, LLC
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Show Zeek stats (capstats, netstats)
+
+show_stats() {
+  echo '##############'
+  echo '# Zeek Stats #'
+  echo '##############'
+  echo
+  echo "Average throughput:"
+  echo
+  docker exec -it so-zeek /opt/zeek/bin/zeekctl capstats
+  echo
+  echo "Average packet loss:"
+  echo
+  docker exec -it so-zeek /opt/zeek/bin/zeekctl netstats
+  echo
+}
+
+if docker ps | grep -q zeek; then
+  show_stats
+else
+  echo "Zeek is not running! Try starting it with 'so-zeek-start'." && exit 1;
+fi