diff options
Diffstat (limited to 'extras/ganesha/scripts')
| -rw-r--r-- | extras/ganesha/scripts/Makefile.am | 6 | ||||
| -rwxr-xr-x | extras/ganesha/scripts/create-export-ganesha.sh | 91 | ||||
| -rwxr-xr-x | extras/ganesha/scripts/dbus-send.sh | 60 | ||||
| -rw-r--r-- | extras/ganesha/scripts/ganesha-ha.sh | 1171 | ||||
| -rwxr-xr-x | extras/ganesha/scripts/generate-epoch.py | 48 |
5 files changed, 1376 insertions, 0 deletions
diff --git a/extras/ganesha/scripts/Makefile.am b/extras/ganesha/scripts/Makefile.am new file mode 100644 index 00000000000..7e345fd5f19 --- /dev/null +++ b/extras/ganesha/scripts/Makefile.am @@ -0,0 +1,6 @@ +EXTRA_DIST= create-export-ganesha.sh generate-epoch.py dbus-send.sh \ + ganesha-ha.sh + +scriptsdir = $(libexecdir)/ganesha +scripts_SCRIPTS = create-export-ganesha.sh dbus-send.sh generate-epoch.py \ + ganesha-ha.sh diff --git a/extras/ganesha/scripts/create-export-ganesha.sh b/extras/ganesha/scripts/create-export-ganesha.sh new file mode 100755 index 00000000000..1ffba427457 --- /dev/null +++ b/extras/ganesha/scripts/create-export-ganesha.sh @@ -0,0 +1,91 @@ +#!/bin/bash + +#This script is called by glusterd when the user +#tries to export a volume via NFS-Ganesha. +#An export file specific to a volume +#is created in GANESHA_DIR/exports. + +# Try loading the config from any of the distro +# specific configuration locations +if [ -f /etc/sysconfig/ganesha ] + then + . /etc/sysconfig/ganesha +fi +if [ -f /etc/conf.d/ganesha ] + then + . /etc/conf.d/ganesha +fi +if [ -f /etc/default/ganesha ] + then + . /etc/default/ganesha +fi + +GANESHA_DIR=${1%/} +OPTION=$2 +VOL=$3 +CONF=$GANESHA_DIR"/ganesha.conf" +declare -i EXPORT_ID + +function check_cmd_status() +{ + if [ "$1" != "0" ] + then + rm -rf $GANESHA_DIR/exports/export.$VOL.conf + sed -i /$VOL.conf/d $CONF + exit 1 + fi +} + + +if [ ! -d "$GANESHA_DIR/exports" ]; + then + mkdir $GANESHA_DIR/exports + check_cmd_status `echo $?` +fi + +function write_conf() +{ +echo -e "# WARNING : Using Gluster CLI will overwrite manual +# changes made to this file. To avoid it, edit the +# file and run ganesha-ha.sh --refresh-config." + +echo "EXPORT{" +echo " Export_Id = 2;" +echo " Path = \"/$VOL\";" +echo " FSAL {" +echo " name = "GLUSTER";" +echo " hostname=\"localhost\";" +echo " volume=\"$VOL\";" +echo " }" +echo " Access_type = RW;" +echo " Disable_ACL = true;" +echo ' Squash="No_root_squash";' +echo " Pseudo=\"/$VOL\";" +echo ' Protocols = "3", "4" ;' +echo ' Transports = "UDP","TCP";' +echo ' SecType = "sys";' +echo " }" +} +if [ "$OPTION" = "on" ]; +then + if ! (cat $CONF | grep $VOL.conf\"$ ) + then + write_conf $@ > $GANESHA_DIR/exports/export.$VOL.conf + echo "%include \"$GANESHA_DIR/exports/export.$VOL.conf\"" >> $CONF + count=`ls -l $GANESHA_DIR/exports/*.conf | wc -l` + if [ "$count" = "1" ] ; then + EXPORT_ID=2 + else + EXPORT_ID=`cat $GANESHA_DIR/.export_added` + check_cmd_status `echo $?` + EXPORT_ID=EXPORT_ID+1 + sed -i s/Export_Id.*/"Export_Id= $EXPORT_ID ;"/ \ + $GANESHA_DIR/exports/export.$VOL.conf + check_cmd_status `echo $?` + fi + echo $EXPORT_ID > $GANESHA_DIR/.export_added + fi +else + rm -rf $GANESHA_DIR/exports/export.$VOL.conf + sed -i /$VOL.conf/d $CONF +fi diff --git a/extras/ganesha/scripts/dbus-send.sh b/extras/ganesha/scripts/dbus-send.sh new file mode 100755 index 00000000000..ec8d9485ad7 --- /dev/null +++ b/extras/ganesha/scripts/dbus-send.sh @@ -0,0 +1,60 @@ +#!/bin/bash + +# Try loading the config from any of the distro +# specific configuration locations +if [ -f /etc/sysconfig/ganesha ] + then + . /etc/sysconfig/ganesha +fi +if [ -f /etc/conf.d/ganesha ] + then + . /etc/conf.d/ganesha +fi +if [ -f /etc/default/ganesha ] + then + . /etc/default/ganesha +fi + +GANESHA_DIR=${1%/} +OPTION=$2 +VOL=$3 +CONF=$GANESHA_DIR"/ganesha.conf" + +function check_cmd_status() +{ + if [ "$1" != "0" ] + then + logger "dynamic export failed on node :${hostname -s}" + fi +} + +#This function keeps track of export IDs and increments it with every new entry +function dynamic_export_add() +{ + dbus-send --system \ +--dest=org.ganesha.nfsd /org/ganesha/nfsd/ExportMgr \ +org.ganesha.nfsd.exportmgr.AddExport string:$GANESHA_DIR/exports/export.$VOL.conf \ +string:"EXPORT(Path=/$VOL)" + check_cmd_status `echo $?` +} + +#This function removes an export dynamically(uses the export_id of the export) +function dynamic_export_remove() +{ + removed_id=`cat $GANESHA_DIR/exports/export.$VOL.conf |\ +grep Export_Id | awk -F"[=,;]" '{print$2}'| tr -d '[[:space:]]'` + dbus-send --print-reply --system \ +--dest=org.ganesha.nfsd /org/ganesha/nfsd/ExportMgr \ +org.ganesha.nfsd.exportmgr.RemoveExport uint16:$removed_id + check_cmd_status `echo $?` +} + +if [ "$OPTION" = "on" ]; +then + dynamic_export_add $@ +fi + +if [ "$OPTION" = "off" ]; +then + dynamic_export_remove $@ +fi diff --git a/extras/ganesha/scripts/ganesha-ha.sh b/extras/ganesha/scripts/ganesha-ha.sh new file mode 100644 index 00000000000..2df98ac5fbf --- /dev/null +++ b/extras/ganesha/scripts/ganesha-ha.sh @@ -0,0 +1,1171 @@ +#!/bin/bash + +# Copyright 2015-2016 Red Hat Inc. All Rights Reserved +# +# Pacemaker+Corosync High Availability for NFS-Ganesha +# +# setup, teardown, add, delete, refresh-config, and status +# +# Each participating node in the cluster is assigned a virtual IP (VIP) +# which fails over to another node when its associated ganesha.nfsd dies +# for any reason. After the VIP is moved to another node all the +# ganesha.nfsds are send a signal using DBUS to put them into NFS GRACE. +# +# There are six resource agent types used: ganesha_mon, ganesha_grace, +# ganesha_nfsd, IPaddr, and Dummy. ganesha_mon is used to monitor the +# ganesha.nfsd. ganesha_grace is used to send the DBUS signal to put +# the remaining ganesha.nfsds into grace. ganesha_nfsd is used to start +# and stop the ganesha.nfsd during setup and teardown. IPaddr manages +# the VIP. A Dummy resource named $hostname-trigger_ip-1 is used to +# ensure that the NFS GRACE DBUS signal is sent after the VIP moves to +# the new host. + +HA_NUM_SERVERS=0 +HA_SERVERS="" +HA_VOL_NAME="gluster_shared_storage" +HA_VOL_MNT="/var/run/gluster/shared_storage" +HA_CONFDIR=$HA_VOL_MNT"/nfs-ganesha" +SERVICE_MAN="DISTRO_NOT_FOUND" + +RHEL6_PCS_CNAME_OPTION="--name" +SECRET_PEM="/var/lib/glusterd/nfs/secret.pem" + +# UNBLOCK RA uses shared_storage which may become unavailable +# during any of the nodes reboot. Hence increase timeout value. +PORTBLOCK_UNBLOCK_TIMEOUT="60s" + +# Try loading the config from any of the distro +# specific configuration locations +if [ -f /etc/sysconfig/ganesha ] + then + . /etc/sysconfig/ganesha +fi +if [ -f /etc/conf.d/ganesha ] + then + . /etc/conf.d/ganesha +fi +if [ -f /etc/default/ganesha ] + then + . /etc/default/ganesha +fi + +GANESHA_CONF= + +function find_rhel7_conf +{ + while [[ $# > 0 ]] + do + key="$1" + case $key in + -f) + CONFFILE="$2" + break; + ;; + *) + ;; + esac + shift + done +} + +if [ -z $CONFFILE ] + then + find_rhel7_conf $OPTIONS + +fi + +GANESHA_CONF=${CONFFILE:-/etc/ganesha/ganesha.conf} + +usage() { + + echo "Usage : add|delete|refresh-config|status" + echo "Add-node : ganesha-ha.sh --add <HA_CONF_DIR> \ +<NODE-HOSTNAME> <NODE-VIP>" + echo "Delete-node: ganesha-ha.sh --delete <HA_CONF_DIR> \ +<NODE-HOSTNAME>" + echo "Refresh-config : ganesha-ha.sh --refresh-config <HA_CONFDIR> \ +<volume>" + echo "Status : ganesha-ha.sh --status <HA_CONFDIR>" +} + +determine_service_manager () { + + if [ -e "/usr/bin/systemctl" ]; + then + SERVICE_MAN="/usr/bin/systemctl" + elif [ -e "/sbin/invoke-rc.d" ]; + then + SERVICE_MAN="/sbin/invoke-rc.d" + elif [ -e "/sbin/service" ]; + then + SERVICE_MAN="/sbin/service" + fi + if [ "$SERVICE_MAN" == "DISTRO_NOT_FOUND" ] + then + echo "Service manager not recognized, exiting" + exit 1 + fi +} + +manage_service () +{ + local action=${1} + local new_node=${2} + local option= + + if [ "$action" == "start" ]; then + option="yes" + else + option="no" + fi + ssh -oPasswordAuthentication=no -oStrictHostKeyChecking=no -i \ +${SECRET_PEM} root@${new_node} "/usr/libexec/ganesha/ganesha-ha.sh --setup-ganesha-conf-files $HA_CONFDIR $option" + + if [ "$SERVICE_MAN" == "/usr/bin/systemctl" ] + then + ssh -oPasswordAuthentication=no -oStrictHostKeyChecking=no -i \ +${SECRET_PEM} root@${new_node} "$SERVICE_MAN ${action} nfs-ganesha" + else + ssh -oPasswordAuthentication=no -oStrictHostKeyChecking=no -i \ +${SECRET_PEM} root@${new_node} "$SERVICE_MAN nfs-ganesha ${action}" + fi +} + + +check_cluster_exists() +{ + local name=${1} + local cluster_name="" + + if [ -e /var/run/corosync.pid ]; then + cluster_name=$(pcs status | grep "Cluster name:" | cut -d ' ' -f 3) + if [ ${cluster_name} -a ${cluster_name} = ${name} ]; then + logger "$name already exists, exiting" + exit 0 + fi + fi +} + + +determine_servers() +{ + local cmd=${1} + local num_servers=0 + local tmp_ifs=${IFS} + local ha_servers="" + + if [ "X${cmd}X" != "XsetupX" -a "X${cmd}X" != "XstatusX" ]; then + ha_servers=$(pcs status | grep "Online:" | grep -o '\[.*\]' | sed -e 's/\[//' | sed -e 's/\]//') + IFS=$' ' + for server in ${ha_servers} ; do + num_servers=$(expr ${num_servers} + 1) + done + IFS=${tmp_ifs} + HA_NUM_SERVERS=${num_servers} + HA_SERVERS="${ha_servers}" + else + IFS=$',' + for server in ${HA_CLUSTER_NODES} ; do + num_servers=$(expr ${num_servers} + 1) + done + IFS=${tmp_ifs} + HA_NUM_SERVERS=${num_servers} + HA_SERVERS="${HA_CLUSTER_NODES//,/ }" + fi +} + +stop_ganesha_all() +{ + local serverlist=${1} + for node in ${serverlist} ; do + manage_service "stop" ${node} + done +} + +setup_cluster() +{ + local name=${1} + local num_servers=${2} + local servers=${3} + local unclean="" + local quorum_policy="stop" + + logger "setting up cluster ${name} with the following ${servers}" + + pcs cluster auth ${servers} + # pcs cluster setup --name ${name} ${servers} + pcs cluster setup ${RHEL6_PCS_CNAME_OPTION} ${name} --enable --transport udpu ${servers} + if [ $? -ne 0 ]; then + logger "pcs cluster setup ${RHEL6_PCS_CNAME_OPTION} ${name} --enable --transport udpu ${servers} failed" + #set up failed stop all ganesha process and clean up symlinks in cluster + stop_ganesha_all "${servers}" + exit 1; + fi + pcs cluster start --all + if [ $? -ne 0 ]; then + logger "pcs cluster start failed" + exit 1; + fi + + sleep 1 + # wait for the cluster to elect a DC before querying or writing + # to the CIB. BZ 1334092 + crmadmin --dc_lookup --timeout=5000 > /dev/null 2>&1 + while [ $? -ne 0 ]; do + crmadmin --dc_lookup --timeout=5000 > /dev/null 2>&1 + done + + unclean=$(pcs status | grep -u "UNCLEAN") + while [[ "${unclean}X" = "UNCLEANX" ]]; do + sleep 1 + unclean=$(pcs status | grep -u "UNCLEAN") + done + sleep 1 + + if [ ${num_servers} -lt 3 ]; then + quorum_policy="ignore" + fi + pcs property set no-quorum-policy=${quorum_policy} + if [ $? -ne 0 ]; then + logger "warning: pcs property set no-quorum-policy=${quorum_policy} failed" + fi + + pcs property set stonith-enabled=false + if [ $? -ne 0 ]; then + logger "warning: pcs property set stonith-enabled=false failed" + fi +} + + +setup_finalize_ha() +{ + local cibfile=${1} + local stopped="" + + stopped=$(pcs status | grep -u "Stopped") + while [[ "${stopped}X" = "StoppedX" ]]; do + sleep 1 + stopped=$(pcs status | grep -u "Stopped") + done +} + + +refresh_config () +{ + local short_host=$(hostname -s) + local VOL=${1} + local HA_CONFDIR=${2} + local short_host=$(hostname -s) + + local export_id=$(grep ^[[:space:]]*Export_Id $HA_CONFDIR/exports/export.$VOL.conf |\ + awk -F"[=,;]" '{print $2}' | tr -d '[[:space:]]') + + + if [ -e ${SECRET_PEM} ]; then + while [[ ${3} ]]; do + current_host=`echo ${3} | cut -d "." -f 1` + if [ ${short_host} != ${current_host} ]; then + output=$(ssh -oPasswordAuthentication=no \ +-oStrictHostKeyChecking=no -i ${SECRET_PEM} root@${current_host} \ +"dbus-send --print-reply --system --dest=org.ganesha.nfsd \ +/org/ganesha/nfsd/ExportMgr org.ganesha.nfsd.exportmgr.UpdateExport \ +string:$HA_CONFDIR/exports/export.$VOL.conf \ +string:\"EXPORT(Export_Id=$export_id)\" 2>&1") + ret=$? + logger <<< "${output}" + if [ ${ret} -ne 0 ]; then + echo "Error: refresh-config failed on ${current_host}." + exit 1 + else + echo "Refresh-config completed on ${current_host}." + fi + + fi + shift + done + else + echo "Error: refresh-config failed. Passwordless ssh is not enabled." + exit 1 + fi + + # Run the same command on the localhost, + output=$(dbus-send --print-reply --system --dest=org.ganesha.nfsd \ +/org/ganesha/nfsd/ExportMgr org.ganesha.nfsd.exportmgr.UpdateExport \ +string:$HA_CONFDIR/exports/export.$VOL.conf \ +string:"EXPORT(Export_Id=$export_id)" 2>&1) + ret=$? + logger <<< "${output}" + if [ ${ret} -ne 0 ] ; then + echo "Error: refresh-config failed on localhost." + exit 1 + else + echo "Success: refresh-config completed." + fi +} + + +teardown_cluster() +{ + local name=${1} + + for server in ${HA_SERVERS} ; do + if [[ ${HA_CLUSTER_NODES} != *${server}* ]]; then + logger "info: ${server} is not in config, removing" + + pcs cluster stop ${server} --force + if [ $? -ne 0 ]; then + logger "warning: pcs cluster stop ${server} failed" + fi + + pcs cluster node remove ${server} + if [ $? -ne 0 ]; then + logger "warning: pcs cluster node remove ${server} failed" + fi + fi + done + + # BZ 1193433 - pcs doesn't reload cluster.conf after modification + # after teardown completes, a subsequent setup will appear to have + # 'remembered' the deleted node. You can work around this by + # issuing another `pcs cluster node remove $node`, + # `crm_node -f -R $server`, or + # `cibadmin --delete --xml-text '<node id="$server" + # uname="$server"/>' + + pcs cluster stop --all + if [ $? -ne 0 ]; then + logger "warning pcs cluster stop --all failed" + fi + + pcs cluster destroy + if [ $? -ne 0 ]; then + logger "error pcs cluster destroy failed" + exit 1 + fi +} + + +cleanup_ganesha_config () +{ + rm -f /etc/corosync/corosync.conf + rm -rf /etc/cluster/cluster.conf* + rm -rf /var/lib/pacemaker/cib/* + sed -r -i -e '/^%include[[:space:]]+".+\.conf"$/d' $HA_CONFDIR/ganesha.conf +} + +do_create_virt_ip_constraints() +{ + local cibfile=${1}; shift + local primary=${1}; shift + local weight="1000" + + # first a constraint location rule that says the VIP must be where + # there's a ganesha.nfsd running + pcs -f ${cibfile} constraint location ${primary}-group rule score=-INFINITY ganesha-active ne 1 + if [ $? -ne 0 ]; then + logger "warning: pcs constraint location ${primary}-group rule score=-INFINITY ganesha-active ne 1 failed" + fi + + # then a set of constraint location prefers to set the prefered order + # for where a VIP should move + while [[ ${1} ]]; do + pcs -f ${cibfile} constraint location ${primary}-group prefers ${1}=${weight} + if [ $? -ne 0 ]; then + logger "warning: pcs constraint location ${primary}-group prefers ${1}=${weight} failed" + fi + weight=$(expr ${weight} + 1000) + shift + done + # and finally set the highest preference for the VIP to its home node + # default weight when created is/was 100. + # on Fedora setting appears to be additive, so to get the desired + # value we adjust the weight + # weight=$(expr ${weight} - 100) + pcs -f ${cibfile} constraint location ${primary}-group prefers ${primary}=${weight} + if [ $? -ne 0 ]; then + logger "warning: pcs constraint location ${primary}-group prefers ${primary}=${weight} failed" + fi +} + + +wrap_create_virt_ip_constraints() +{ + local cibfile=${1}; shift + local primary=${1}; shift + local head="" + local tail="" + + # build a list of peers, e.g. for a four node cluster, for node1, + # the result is "node2 node3 node4"; for node2, "node3 node4 node1" + # and so on. + while [[ ${1} ]]; do + if [ "${1}" = "${primary}" ]; then + shift + while [[ ${1} ]]; do + tail=${tail}" "${1} + shift + done + else + head=${head}" "${1} + fi + shift + done + do_create_virt_ip_constraints ${cibfile} ${primary} ${tail} ${head} +} + + +create_virt_ip_constraints() +{ + local cibfile=${1}; shift + + while [[ ${1} ]]; do + wrap_create_virt_ip_constraints ${cibfile} ${1} ${HA_SERVERS} + shift + done +} + + +setup_create_resources() +{ + local cibfile=$(mktemp -u) + + # fixup /var/lib/nfs + logger "pcs resource create nfs_setup ocf:heartbeat:ganesha_nfsd ha_vol_mnt=${HA_VOL_MNT} --clone" + pcs resource create nfs_setup ocf:heartbeat:ganesha_nfsd ha_vol_mnt=${HA_VOL_MNT} --clone + if [ $? -ne 0 ]; then + logger "warning: pcs resource create nfs_setup ocf:heartbeat:ganesha_nfsd ha_vol_mnt=${HA_VOL_MNT} --clone failed" + fi + + pcs resource create nfs-mon ocf:heartbeat:ganesha_mon --clone + if [ $? -ne 0 ]; then + logger "warning: pcs resource create nfs-mon ocf:heartbeat:ganesha_mon --clone failed" + fi + + # see comment in (/usr/lib/ocf/resource.d/heartbeat/ganesha_grace + # start method. Allow time for ganesha_mon to start and set the + # ganesha-active crm_attribute + sleep 5 + + pcs resource create nfs-grace ocf:heartbeat:ganesha_grace --clone notify=true + if [ $? -ne 0 ]; then + logger "warning: pcs resource create nfs-grace ocf:heartbeat:ganesha_grace --clone failed" + fi + + pcs constraint location nfs-grace-clone rule score=-INFINITY grace-active ne 1 + if [ $? -ne 0 ]; then + logger "warning: pcs constraint location nfs-grace-clone rule score=-INFINITY grace-active ne 1" + fi + + pcs cluster cib ${cibfile} + + while [[ ${1} ]]; do + + # this is variable indirection + # from a nvs like 'VIP_host1=10.7.6.5' or 'VIP_host1="10.7.6.5"' + # (or VIP_host-1=..., or VIP_host-1.my.domain.name=...) + # a variable 'clean_name' is created (e.g. w/ value 'VIP_host_1') + # and a clean nvs (e.g. w/ value 'VIP_host_1="10_7_6_5"') + # after the `eval ${clean_nvs}` there is a variable VIP_host_1 + # with the value '10_7_6_5', and the following \$$ magic to + # reference it, i.e. `eval tmp_ipaddr=\$${clean_name}` gives us + # ${tmp_ipaddr} with 10_7_6_5 and then convert the _s back to .s + # to give us ipaddr="10.7.6.5". whew! + name="VIP_${1}" + clean_name=${name//[-.]/_} + nvs=$(grep "^${name}=" ${HA_CONFDIR}/ganesha-ha.conf) + clean_nvs=${nvs//[-.]/_} + eval ${clean_nvs} + eval tmp_ipaddr=\$${clean_name} + ipaddr=${tmp_ipaddr//_/.} + + pcs -f ${cibfile} resource create ${1}-nfs_block ocf:heartbeat:portblock protocol=tcp \ + portno=2049 action=block ip=${ipaddr} --group ${1}-group + if [ $? -ne 0 ]; then + logger "warning pcs resource create ${1}-nfs_block failed" + fi + pcs -f ${cibfile} resource create ${1}-cluster_ip-1 ocf:heartbeat:IPaddr ip=${ipaddr} \ + cidr_netmask=32 op monitor interval=15s --group ${1}-group --after ${1}-nfs_block + if [ $? -ne 0 ]; then + logger "warning pcs resource create ${1}-cluster_ip-1 ocf:heartbeat:IPaddr ip=${ipaddr} \ + cidr_netmask=32 op monitor interval=15s failed" + fi + + pcs -f ${cibfile} constraint order nfs-grace-clone then ${1}-cluster_ip-1 + if [ $? -ne 0 ]; then + logger "warning: pcs constraint order nfs-grace-clone then ${1}-cluster_ip-1 failed" + fi + + pcs -f ${cibfile} resource create ${1}-nfs_unblock ocf:heartbeat:portblock protocol=tcp \ + portno=2049 action=unblock ip=${ipaddr} reset_local_on_unblock_stop=true \ + tickle_dir=${HA_VOL_MNT}/nfs-ganesha/tickle_dir/ --group ${1}-group --after ${1}-cluster_ip-1 \ + op stop timeout=${PORTBLOCK_UNBLOCK_TIMEOUT} op start timeout=${PORTBLOCK_UNBLOCK_TIMEOUT} \ + op monitor interval=10s timeout=${PORTBLOCK_UNBLOCK_TIMEOUT} + if [ $? -ne 0 ]; then + logger "warning pcs resource create ${1}-nfs_unblock failed" + fi + + + shift + done + + create_virt_ip_constraints ${cibfile} ${HA_SERVERS} + + pcs cluster cib-push ${cibfile} + if [ $? -ne 0 ]; then + logger "warning pcs cluster cib-push ${cibfile} failed" + fi + rm -f ${cibfile} +} + + +teardown_resources() +{ + # local mntpt=$(grep ha-vol-mnt ${HA_CONFIG_FILE} | cut -d = -f 2) + + # restore /var/lib/nfs + logger "notice: pcs resource delete nfs_setup-clone" + pcs resource delete nfs_setup-clone + if [ $? -ne 0 ]; then + logger "warning: pcs resource delete nfs_setup-clone failed" + fi + + # delete -clone resource agents + # in particular delete the ganesha monitor so we don't try to + # trigger anything when we shut down ganesha next. + pcs resource delete nfs-mon-clone + if [ $? -ne 0 ]; then + logger "warning: pcs resource delete nfs-mon-clone failed" + fi + + pcs resource delete nfs-grace-clone + if [ $? -ne 0 ]; then + logger "warning: pcs resource delete nfs-grace-clone failed" + fi + + while [[ ${1} ]]; do + pcs resource delete ${1}-group + if [ $? -ne 0 ]; then + logger "warning: pcs resource delete ${1}-group failed" + fi + shift + done + +} + + +recreate_resources() +{ + local cibfile=${1}; shift + + while [[ ${1} ]]; do + # this is variable indirection + # see the comment on the same a few lines up + name="VIP_${1}" + clean_name=${name//[-.]/_} + nvs=$(grep "^${name}=" ${HA_CONFDIR}/ganesha-ha.conf) + clean_nvs=${nvs//[-.]/_} + eval ${clean_nvs} + eval tmp_ipaddr=\$${clean_name} + ipaddr=${tmp_ipaddr//_/.} + + pcs -f ${cibfile} resource create ${1}-nfs_block ocf:heartbeat:portblock protocol=tcp \ + portno=2049 action=block ip=${ipaddr} --group ${1}-group + if [ $? -ne 0 ]; then + logger "warning pcs resource create ${1}-nfs_block failed" + fi + pcs -f ${cibfile} resource create ${1}-cluster_ip-1 ocf:heartbeat:IPaddr ip=${ipaddr} \ + cidr_netmask=32 op monitor interval=15s --group ${1}-group --after ${1}-nfs_block + if [ $? -ne 0 ]; then + logger "warning pcs resource create ${1}-cluster_ip-1 ocf:heartbeat:IPaddr ip=${ipaddr} \ + cidr_netmask=32 op monitor interval=15s failed" + fi + + pcs -f ${cibfile} constraint order nfs-grace-clone then ${1}-cluster_ip-1 + if [ $? -ne 0 ]; then + logger "warning: pcs constraint order nfs-grace-clone then ${1}-cluster_ip-1 failed" + fi + + pcs -f ${cibfile} resource create ${1}-nfs_unblock ocf:heartbeat:portblock protocol=tcp \ + portno=2049 action=unblock ip=${ipaddr} reset_local_on_unblock_stop=true \ + tickle_dir=${HA_VOL_MNT}/nfs-ganesha/tickle_dir/ --group ${1}-group --after ${1}-cluster_ip-1 \ + op stop timeout=${PORTBLOCK_UNBLOCK_TIMEOUT} op start timeout=${PORTBLOCK_UNBLOCK_TIMEOUT} \ + op monitor interval=10s timeout=${PORTBLOCK_UNBLOCK_TIMEOUT} + if [ $? -ne 0 ]; then + logger "warning pcs resource create ${1}-nfs_unblock failed" + fi + + shift + done +} + + +addnode_recreate_resources() +{ + local cibfile=${1}; shift + local add_node=${1}; shift + local add_vip=${1}; shift + + recreate_resources ${cibfile} ${HA_SERVERS} + + pcs -f ${cibfile} resource create ${add_node}-nfs_block ocf:heartbeat:portblock \ + protocol=tcp portno=2049 action=block ip=${add_vip} --group ${add_node}-group + if [ $? -ne 0 ]; then + logger "warning pcs resource create ${add_node}-nfs_block failed" + fi + pcs -f ${cibfile} resource create ${add_node}-cluster_ip-1 ocf:heartbeat:IPaddr \ + ip=${add_vip} cidr_netmask=32 op monitor interval=15s --group ${add_node}-group \ + --after ${add_node}-nfs_block + if [ $? -ne 0 ]; then + logger "warning pcs resource create ${add_node}-cluster_ip-1 ocf:heartbeat:IPaddr \ + ip=${add_vip} cidr_netmask=32 op monitor interval=15s failed" + fi + + pcs -f ${cibfile} constraint order nfs-grace-clone then ${add_node}-cluster_ip-1 + if [ $? -ne 0 ]; then + logger "warning: pcs constraint order nfs-grace-clone then ${add_node}-cluster_ip-1 failed" + fi + pcs -f ${cibfile} resource create ${add_node}-nfs_unblock ocf:heartbeat:portblock \ + protocol=tcp portno=2049 action=unblock ip=${add_vip} reset_local_on_unblock_stop=true \ + tickle_dir=${HA_VOL_MNT}/nfs-ganesha/tickle_dir/ --group ${add_node}-group --after \ + ${add_node}-cluster_ip-1 op stop timeout=${PORTBLOCK_UNBLOCK_TIMEOUT} op start \ + timeout=${PORTBLOCK_UNBLOCK_TIMEOUT} op monitor interval=10s \ + timeout=${PORTBLOCK_UNBLOCK_TIMEOUT} + if [ $? -ne 0 ]; then + logger "warning pcs resource create ${add_node}-nfs_unblock failed" + fi +} + + +clear_resources() +{ + local cibfile=${1}; shift + + while [[ ${1} ]]; do + pcs -f ${cibfile} resource delete ${1}-group + if [ $? -ne 0 ]; then + logger "warning: pcs -f ${cibfile} resource delete ${1}-group" + fi + + shift + done +} + + +addnode_create_resources() +{ + local add_node=${1}; shift + local add_vip=${1}; shift + local cibfile=$(mktemp -u) + + # start HA on the new node + pcs cluster start ${add_node} + if [ $? -ne 0 ]; then + logger "warning: pcs cluster start ${add_node} failed" + fi + + pcs cluster cib ${cibfile} + if [ $? -ne 0 ]; then + logger "warning: pcs cluster cib ${cibfile} failed" + fi + + # delete all the -cluster_ip-1 resources, clearing + # their constraints, then create them again so we can + # recompute their constraints + clear_resources ${cibfile} ${HA_SERVERS} + addnode_recreate_resources ${cibfile} ${add_node} ${add_vip} + + HA_SERVERS="${HA_SERVERS} ${add_node}" + create_virt_ip_constraints ${cibfile} ${HA_SERVERS} + + pcs cluster cib-push ${cibfile} + if [ $? -ne 0 ]; then + logger "warning: pcs cluster cib-push ${cibfile} failed" + fi + rm -f ${cibfile} +} + + +deletenode_delete_resources() +{ + local node=${1}; shift + local ha_servers=$(echo "${HA_SERVERS}" | sed s/${node}//) + local cibfile=$(mktemp -u) + + pcs cluster cib ${cibfile} + if [ $? -ne 0 ]; then + logger "warning: pcs cluster cib ${cibfile} failed" + fi + + # delete all the -cluster_ip-1 and -trigger_ip-1 resources, + # clearing their constraints, then create them again so we can + # recompute their constraints + clear_resources ${cibfile} ${HA_SERVERS} + recreate_resources ${cibfile} ${ha_servers} + HA_SERVERS=$(echo "${ha_servers}" | sed -e "s/ / /") + + create_virt_ip_constraints ${cibfile} ${HA_SERVERS} + + pcs cluster cib-push ${cibfile} + if [ $? -ne 0 ]; then + logger "warning: pcs cluster cib-push ${cibfile} failed" + fi + rm -f ${cibfile} + +} + + +deletenode_update_haconfig() +{ + local name="VIP_${1}" + local clean_name=${name//[-.]/_} + + ha_servers=$(echo ${HA_SERVERS} | sed -e "s/ /,/") + sed -i -e "s/^HA_CLUSTER_NODES=.*$/HA_CLUSTER_NODES=\"${ha_servers// /,}\"/" -e "s/^${name}=.*$//" -e "/^$/d" ${HA_CONFDIR}/ganesha-ha.conf +} + + +setup_state_volume() +{ + local mnt=${HA_VOL_MNT} + local longname="" + local shortname="" + local dname="" + local dirname="" + + longname=$(hostname) + dname=${longname#$(hostname -s)} + + while [[ ${1} ]]; do + + if [[ ${1} == *${dname} ]]; then + dirname=${1} + else + dirname=${1}${dname} + fi + + if [ ! -d ${mnt}/nfs-ganesha/tickle_dir ]; then + mkdir ${mnt}/nfs-ganesha/tickle_dir + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname} ]; then + mkdir ${mnt}/nfs-ganesha/${dirname} + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/statd ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/statd + chown rpcuser:rpcuser ${mnt}/nfs-ganesha/${dirname}/nfs/statd + fi + if [ ! -e ${mnt}/nfs-ganesha/${dirname}/nfs/state ]; then + touch ${mnt}/nfs-ganesha/${dirname}/nfs/state + chown rpcuser:rpcuser ${mnt}/nfs-ganesha/${dirname}/nfs/state + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha/v4recov ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha/v4recov + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha/v4old ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha/v4old + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm + chown rpcuser:rpcuser ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm.bak ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm.bak + chown rpcuser:rpcuser ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm.bak + fi + if [ ! -e ${mnt}/nfs-ganesha/${dirname}/nfs/statd/state ]; then + touch ${mnt}/nfs-ganesha/${dirname}/nfs/statd/state + fi + for server in ${HA_SERVERS} ; do + if [ ${server} != ${dirname} ]; then + ln -s ${mnt}/nfs-ganesha/${server}/nfs/ganesha ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha/${server} + ln -s ${mnt}/nfs-ganesha/${server}/nfs/statd ${mnt}/nfs-ganesha/${dirname}/nfs/statd/${server} + fi + done + shift + done + +} + + +enable_pacemaker() +{ + while [[ ${1} ]]; do + if [ "${SERVICE_MAN}" == "/usr/bin/systemctl" ]; then + ssh -oPasswordAuthentication=no -oStrictHostKeyChecking=no -i \ +${SECRET_PEM} root@${1} "${SERVICE_MAN} enable pacemaker" + else + ssh -oPasswordAuthentication=no -oStrictHostKeyChecking=no -i \ +${SECRET_PEM} root@${1} "${SERVICE_MAN} pacemaker enable" + fi + shift + done +} + + +addnode_state_volume() +{ + local newnode=${1}; shift + local mnt=${HA_VOL_MNT} + local longname="" + local dname="" + local dirname="" + + longname=$(hostname) + dname=${longname#$(hostname -s)} + + if [[ ${newnode} == *${dname} ]]; then + dirname=${newnode} + else + dirname=${newnode}${dname} + fi + + if [ ! -d ${mnt}/nfs-ganesha/${dirname} ]; then + mkdir ${mnt}/nfs-ganesha/${dirname} + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/statd ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/statd + chown rpcuser:rpcuser ${mnt}/nfs-ganesha/${dirname}/nfs/statd + fi + if [ ! -e ${mnt}/nfs-ganesha/${dirname}/nfs/state ]; then + touch ${mnt}/nfs-ganesha/${dirname}/nfs/state + chown rpcuser:rpcuser ${mnt}/nfs-ganesha/${dirname}/nfs/state + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha/v4recov ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha/v4recov + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha/v4old ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha/v4old + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm + chown rpcuser:rpcuser ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm + fi + if [ ! -d ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm.bak ]; then + mkdir ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm.bak + chown rpcuser:rpcuser ${mnt}/nfs-ganesha/${dirname}/nfs/statd/sm.bak + fi + if [ ! -e ${mnt}/nfs-ganesha/${dirname}/nfs/statd/state ]; then + touch ${mnt}/nfs-ganesha/${dirname}/nfs/statd/state + fi + + for server in ${HA_SERVERS} ; do + + if [[ ${server} != ${dirname} ]]; then + ln -s ${mnt}/nfs-ganesha/${server}/nfs/ganesha ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha/${server} + ln -s ${mnt}/nfs-ganesha/${server}/nfs/statd ${mnt}/nfs-ganesha/${dirname}/nfs/statd/${server} + + ln -s ${mnt}/nfs-ganesha/${dirname}/nfs/ganesha ${mnt}/nfs-ganesha/${server}/nfs/ganesha/${dirname} + ln -s ${mnt}/nfs-ganesha/${dirname}/nfs/statd ${mnt}/nfs-ganesha/${server}/nfs/statd/${dirname} + fi + done + +} + + +delnode_state_volume() +{ + local delnode=${1}; shift + local mnt=${HA_VOL_MNT} + local longname="" + local dname="" + local dirname="" + + longname=$(hostname) + dname=${longname#$(hostname -s)} + + if [[ ${delnode} == *${dname} ]]; then + dirname=${delnode} + else + dirname=${delnode}${dname} + fi + + rm -rf ${mnt}/nfs-ganesha/${dirname} + + for server in ${HA_SERVERS} ; do + if [[ "${server}" != "${dirname}" ]]; then + rm -f ${mnt}/nfs-ganesha/${server}/nfs/ganesha/${dirname} + rm -f ${mnt}/nfs-ganesha/${server}/nfs/statd/${dirname} + fi + done +} + + +status() +{ + local scratch=$(mktemp) + local regex_str="^${1}-cluster_ip-1" + local healthy=0 + local index=1 + local nodes + + # change tabs to spaces, strip leading spaces + pcs status | sed -e "s/\t/ /g" -e "s/^[ ]*//" > ${scratch} + + nodes[0]=${1}; shift + + # make a regex of the configured nodes + # and initalize the nodes array for later + while [[ ${1} ]]; do + + regex_str="${regex_str}|^${1}-cluster_ip-1" + nodes[${index}]=${1} + ((index++)) + shift + done + + # print the nodes that are expected to be online + grep -E "^Online:" ${scratch} + + echo + + # print the VIPs and which node they are on + grep -E "${regex_str}" < ${scratch} | cut -d ' ' -f 1,4 + + echo + + # check if the VIP and port block/unblock RAs are on the expected nodes + for n in ${nodes[*]}; do + + grep -E -x "${n}-nfs_block \(ocf::heartbeat:portblock\): Started ${n}" > /dev/null 2>&1 ${scratch} + result=$? + ((healthy+=${result})) + grep -E -x "${n}-cluster_ip-1 \(ocf::heartbeat:IPaddr\): Started ${n}" > /dev/null 2>&1 ${scratch} + result=$? + ((healthy+=${result})) + grep -E -x "${n}-nfs_unblock \(ocf::heartbeat:portblock\): Started ${n}" > /dev/null 2>&1 ${scratch} + result=$? + ((healthy+=${result})) + done + + grep -E "\):\ Stopped|FAILED" > /dev/null 2>&1 ${scratch} + result=$? + + if [ ${result} -eq 0 ]; then + echo "Cluster HA Status: BAD" + elif [ ${healthy} -eq 0 ]; then + echo "Cluster HA Status: HEALTHY" + else + echo "Cluster HA Status: FAILOVER" + fi + + rm -f ${scratch} +} + +create_ganesha_conf_file() +{ + if [ $1 == "yes" ]; + then + if [ -e $GANESHA_CONF ]; + then + rm -rf $GANESHA_CONF + fi + # The symlink /etc/ganesha/ganesha.conf need to be + # created using ganesha conf file mentioned in the + # shared storage. Every node will only have this + # link and actual file will stored in shared storage, + # so that ganesha conf editing of ganesha conf will + # be easy as well as it become more consistent. + + ln -s $HA_CONFDIR/ganesha.conf $GANESHA_CONF + else + # Restoring previous file + rm -rf $GANESHA_CONF + cp $HA_CONFDIR/ganesha.conf $GANESHA_CONF + sed -r -i -e '/^%include[[:space:]]+".+\.conf"$/d' $GANESHA_CONF + fi +} + +set_quorum_policy() +{ + local quorum_policy="stop" + local num_servers=${1} + + if [ ${num_servers} -lt 3 ]; then + quorum_policy="ignore" + fi + pcs property set no-quorum-policy=${quorum_policy} + if [ $? -ne 0 ]; then + logger "warning: pcs property set no-quorum-policy=${quorum_policy} failed" + fi +} + +main() +{ + + local cmd=${1}; shift + if [[ ${cmd} == *help ]]; then + usage + exit 0 + fi + + if (selinuxenabled) ;then + semanage boolean -m gluster_use_execmem --on + fi + + HA_CONFDIR=${1%/}; shift + local ha_conf=${HA_CONFDIR}/ganesha-ha.conf + local node="" + local vip="" + + # ignore any comment lines + cfgline=$(grep ^HA_NAME= ${ha_conf}) + eval $(echo ${cfgline} | grep -F HA_NAME=) + cfgline=$(grep ^HA_CLUSTER_NODES= ${ha_conf}) + eval $(echo ${cfgline} | grep -F HA_CLUSTER_NODES=) + + case "${cmd}" in + + setup | --setup) + logger "setting up ${HA_NAME}" + + check_cluster_exists ${HA_NAME} + + determine_servers "setup" + + if [ "X${HA_NUM_SERVERS}X" != "X1X" ]; then + + determine_service_manager + + setup_cluster ${HA_NAME} ${HA_NUM_SERVERS} "${HA_SERVERS}" + + setup_create_resources ${HA_SERVERS} + + setup_finalize_ha + + setup_state_volume ${HA_SERVERS} + + enable_pacemaker ${HA_SERVERS} + + else + + logger "insufficient servers for HA, aborting" + fi + ;; + + teardown | --teardown) + logger "tearing down ${HA_NAME}" + + determine_servers "teardown" + + teardown_resources ${HA_SERVERS} + + teardown_cluster ${HA_NAME} + + cleanup_ganesha_config ${HA_CONFDIR} + ;; + + cleanup | --cleanup) + cleanup_ganesha_config ${HA_CONFDIR} + ;; + + add | --add) + node=${1}; shift + vip=${1}; shift + + logger "adding ${node} with ${vip} to ${HA_NAME}" + + determine_service_manager + + manage_service "start" ${node} + + determine_servers "add" + + pcs cluster node add ${node} + if [ $? -ne 0 ]; then + logger "warning: pcs cluster node add ${node} failed" + fi + + addnode_create_resources ${node} ${vip} + # Subsequent add-node recreates resources for all the nodes + # that already exist in the cluster. The nodes are picked up + # from the entries in the ganesha-ha.conf file. Adding the + # newly added node to the file so that the resources specfic + # to this node is correctly recreated in the future. + clean_node=${node//[-.]/_} + echo "VIP_${node}=\"${vip}\"" >> ${HA_CONFDIR}/ganesha-ha.conf + + NEW_NODES="$HA_CLUSTER_NODES,${node}" + + sed -i s/HA_CLUSTER_NODES.*/"HA_CLUSTER_NODES=\"$NEW_NODES\""/ \ +$HA_CONFDIR/ganesha-ha.conf + + addnode_state_volume ${node} + + # addnode_create_resources() already appended ${node} to + # HA_SERVERS, so only need to increment HA_NUM_SERVERS + # and set quorum policy + HA_NUM_SERVERS=$(expr ${HA_NUM_SERVERS} + 1) + set_quorum_policy ${HA_NUM_SERVERS} + ;; + + delete | --delete) + node=${1}; shift + + logger "deleting ${node} from ${HA_NAME}" + + determine_servers "delete" + + deletenode_delete_resources ${node} + + pcs cluster node remove ${node} + if [ $? -ne 0 ]; then + logger "warning: pcs cluster node remove ${node} failed" + fi + + deletenode_update_haconfig ${node} + + delnode_state_volume ${node} + + determine_service_manager + + manage_service "stop" ${node} + + HA_NUM_SERVERS=$(expr ${HA_NUM_SERVERS} - 1) + set_quorum_policy ${HA_NUM_SERVERS} + ;; + + status | --status) + determine_servers "status" + + status ${HA_SERVERS} + ;; + + refresh-config | --refresh-config) + VOL=${1} + + determine_servers "refresh-config" + + refresh_config ${VOL} ${HA_CONFDIR} ${HA_SERVERS} + ;; + + setup-ganesha-conf-files | --setup-ganesha-conf-files) + + create_ganesha_conf_file ${1} + ;; + + *) + # setup and teardown are not intended to be used by a + # casual user + usage + logger "Usage: ganesha-ha.sh add|delete|status" + ;; + + esac + + if (selinuxenabled) ;then + semanage boolean -m gluster_use_execmem --off + fi +} + +main $* diff --git a/extras/ganesha/scripts/generate-epoch.py b/extras/ganesha/scripts/generate-epoch.py new file mode 100755 index 00000000000..fa35b3ec4fd --- /dev/null +++ b/extras/ganesha/scripts/generate-epoch.py @@ -0,0 +1,48 @@ +#!/usr/bin/python +# +# Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com> +# This file is part of GlusterFS. +# +# This file is licensed to you under your choice of the GNU Lesser +# General Public License, version 3 or any later version (LGPLv3 or +# later), or the GNU General Public License, version 2 (GPLv2), in all +# cases as published by the Free Software Foundation. +# +# Generates unique epoch value on each gluster node to be used by +# nfs-ganesha service on that node. +# +# Configure 'EPOCH_EXEC' option to this script path in +# '/etc/sysconfig/ganesha' file used by nfs-ganesha service. +# +# Construct epoch as follows - +# first 32-bit contains the now() time +# rest 32-bit value contains the local glusterd node uuid + +import time +import binascii + +# Calculate the now() time into a 64-bit integer value +def epoch_now(): + epoch_time = int(time.mktime(time.localtime())) << 32 + return epoch_time + +# Read glusterd UUID and extract first 32-bit of it +def epoch_uuid(): + file_name = '/var/lib/glusterd/glusterd.info' + + for line in open(file_name): + if "UUID" in line: + glusterd_uuid = line.split('=')[1].strip() + + uuid_bin = binascii.unhexlify(glusterd_uuid.replace("-","")) + + epoch_uuid = int(binascii.hexlify(uuid_bin), 32) & 0xFFFF0000 + return epoch_uuid + +# Construct epoch as follows - +# first 32-bit contains the now() time +# rest 32-bit value contains the local glusterd node uuid +epoch = (epoch_now() | epoch_uuid()) +print((str(epoch))) + +exit(0) |