+check_openstack(){
+ # check if some necessary variables is set
+ if [ -z "$OS_AUTH_URL" ]; then
+ echo "OS_AUTH_URL is unset or empty"
+ exit 1
+ fi
+
+ echo "OS_AUTH_URL is $OS_AUTH_URL"
+ echo
+
+ # check OpenStack services
+ if [[ $OS_INSECURE ]] && [[ "$(echo $OS_INSECURE | tr '[:upper:]' '[:lower:]')" = "true" ]]; then
+ SECURE="--insecure"
+ else
+ SECURE=""
+ fi
+ echo "Checking OpenStack services:"
+ for cmd in "openstack ${SECURE} image list" "openstack ${SECURE} server list" "openstack ${SECURE} stack list"; do
+ echo " checking ${cmd} ..."
+ if ! $cmd >/dev/null; then
+ echo "error: command \"$cmd\" failed"
+ exit 1
+ fi
+ done
+
+ echo
+ echo "Checking for External network:"
+ for net in $(openstack network list --external -c Name -f value); do
+ echo " external network: $net"
+ done
+}
+