code-dumps/openstack/openstack-simple-report.sh

#!/bin/bash
. /root/openrc
echo "Openstack usage generated on $(date)"

echo -en "\nNumber of active VMs: "
mysql nova  -Nse "select count(1) from instances where vm_state = 'active'"

echo -en "\n***Usage summary***\n"
openstack usage list -f csv | column -t -s,

echo -en "\n***Ceph info***\n"
ceph df | grep -v "0 B"
ceph osd df tree | grep host | awk '{print $NF,$(NF-4)"% Used"}'

echo -en "\n***Detail host usage***\n"
echo -en "Host CPU% Memory%\n" | column -t
openstack host list -fvalue -c 'Host Name' | grep compute | sort | while read h; do openstack host show $h -fcsv | egrep '(total|now)' | tr -d \" | paste - - | awk -F, '{print $1, $7/$3*100"%", $8/$4*100"%"}'; done | column -t

echo -en "\n\nGenerated by /root/openstack-simple-report.sh from $(hostname)"