#!/bin/bash

source /etc/kolla/admin-openrc.sh

EXIT_CODE=0

# search for server with status ERROR
OUTPUT="$(openstack server list --all --status=ERROR -c ID -c Name -c Status -f value)"
#openstack server show ${SERVER_ID} -c fault -f value
if [ -n "${OUTPUT}" ]; then
    echo "${OUTPUT}"

    EXIT_CODE=1
fi

# search for server with status VERIFY_RESIZE
OUTPUT="$(openstack server list --all --status=VERIFY_RESIZE -c ID -c Name -c Status -f value)"
if [ -n "${OUTPUT}" ]; then
    echo "${OUTPUT}"

    EXIT_CODE=1
fi

# search for server processes on wrong compute node
for COMPUTE_NODE in $(openstack compute service list --service nova-compute -c Host -f value); do
    for SERVER_ID in $(ssh ${COMPUTE_NODE} pgrep qemu -a | grep -o -P '(?<=-uuid ).*(?= -smbios)'); do
        VM_HOST=$(openstack server show -c "OS-EXT-SRV-ATTR:host" -f value ${SERVER_ID})
        if [ -n "${VM_HOST}" ]; then
            if [ "${VM_HOST}" != "${COMPUTE_NODE}" ]; then
                echo "VM ${SERVER_ID} on wrong compute node ${COMPUTE_NODE}"
                openstack server show ${SERVER_ID} -c OS-EXT-SRV-ATTR:hostname -c name -c id -c status -c OS-EXT-SRV-ATTR:instance_name

                EXIT_CODE=1
            fi
        else
            echo "Server process ${SERVER_ID} on ${COMPUTE_NODE} not available in OpenStack"

            EXIT_CODE=1
        fi
    done
done

# send notification
echo
exit ${EXIT_CODE}