mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-05-30 09:36:41 +00:00
Bash script setupchrony for chrony configuring.
This commit is contained in:
GONG Jie
parent
d3f1bbbe26
commit
efb78c301b
293
xCAT/postscripts/setupchrony
Executable file
293
xCAT/postscripts/setupchrony
Executable file
@ -0,0 +1,293 @@
|
||||
#!/bin/bash
|
||||
#
|
||||
# setupchrony - Set up chrony
|
||||
#
|
||||
# Copyright (C) 2018 International Business Machines
|
||||
# Eclipse Public License, Version 1.0 (EPL-1.0)
|
||||
# <http://www.eclipse.org/legal/epl-v10.html>
|
||||
#
|
||||
# 2018-07-11 GONG Jie <gongjie@linux.vnet.ibm.com>
|
||||
# - Draft
|
||||
# 2018-07-13 GONG Jie <gongjie@linux.vnet.ibm.com>
|
||||
# - Release to field
|
||||
#
|
||||
|
||||
PATH="/usr/sbin:/usr/bin:/sbin:/bin"
|
||||
export PATH
|
||||
|
||||
#
|
||||
# warn_if_bad Put out warning message(s) if $1 has bad RC.
|
||||
#
|
||||
# $1 0 (pass) or non-zero (fail).
|
||||
# $2+ Remaining arguments printed only if the $1 is non-zero.
|
||||
#
|
||||
# Incoming $1 is returned unless it is 0
|
||||
#
|
||||
function warn_if_bad()
|
||||
{
|
||||
local -i rc="$1"
|
||||
local script="${0##*/}"
|
||||
|
||||
# Ignore if no problems
|
||||
[ "${rc}" -eq "0" ] && return 0
|
||||
|
||||
# Broken
|
||||
shift
|
||||
logger -t xcat -p local4.info "${script}: $@" >/dev/null 2>&1
|
||||
echo "${script}: $@" >&2
|
||||
return "${rc}"
|
||||
}
|
||||
|
||||
#
|
||||
# exit_if_bad Put out error message(s) if $1 has bad RC.
|
||||
#
|
||||
# $1 0 (pass) or non-zero (fail).
|
||||
# $2+ Remaining arguments printed only if the $1 is non-zero.
|
||||
#
|
||||
# Exits with 1 unless $1 is 0
|
||||
#
|
||||
function exit_if_bad()
|
||||
{
|
||||
warn_if_bad "$@" || exit 1
|
||||
return 0
|
||||
}
|
||||
|
||||
#
|
||||
# check_executes Check for executable(s)
|
||||
#
|
||||
# Returns 0 if true.
|
||||
# Returns 1 if not.
|
||||
#
|
||||
function check_executes()
|
||||
{
|
||||
local cmd
|
||||
local all_ok="yes"
|
||||
for cmd in "$@"
|
||||
do
|
||||
if ! type "${cmd}" &>/dev/null
|
||||
then
|
||||
echo "Command \"${cmd}\" not found." >&2
|
||||
all_ok="no"
|
||||
fi
|
||||
done
|
||||
[ "${all_ok}" = "yes" ]
|
||||
}
|
||||
|
||||
#
|
||||
# check_exec_or_exit Check for required executables.
|
||||
#
|
||||
# Exits (not returns) if commands listed on command line do not exist.
|
||||
#
|
||||
# Returns 0 if true.
|
||||
# Exits with 1 if not.
|
||||
#
|
||||
function check_exec_or_exit()
|
||||
{
|
||||
check_executes "$@"
|
||||
exit_if_bad "$?" "Above listed required command(s) not found."
|
||||
return 0
|
||||
}
|
||||
|
||||
[ "${UID}" -eq "0" ]
|
||||
exit_if_bad "$?" "Must be run by UID=0. Actual UID=${UID}."
|
||||
|
||||
declare -a NTP_SERVERS=()
|
||||
|
||||
# Handle command line arguments
|
||||
while [ "$#" -gt "0" ]
|
||||
do
|
||||
case "$1" in
|
||||
*)
|
||||
NTP_SERVERS+=($1)
|
||||
;;
|
||||
esac
|
||||
shift
|
||||
done
|
||||
|
||||
if [ "${#NTP_SERVERS[@]}" -eq "0" ]
|
||||
then
|
||||
# Handle xCAT passed environment variables
|
||||
case "${NTPSERVERS}" in
|
||||
"<xcatmaster>"|"<xcatmaster>"|"")
|
||||
NTP_SERVERS=(${MASTER})
|
||||
;;
|
||||
*)
|
||||
OLD_IFS="${IFS}"
|
||||
IFS=","
|
||||
NTP_SERVERS=(${NTPSERVERS})
|
||||
IFS="${OLD_IFS}"
|
||||
unset OLD_IFS
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
# Unset xCAT passed environment variables
|
||||
unset MASTER
|
||||
unset NTPSERVERS
|
||||
|
||||
check_exec_or_exit cp cat logger
|
||||
check_exec_or_exit systemctl timedatectl hwclock chronyd
|
||||
|
||||
systemctl stop ntp.service 2>/dev/null
|
||||
systemctl disable ntp.service 2>/dev/null
|
||||
systemctl stop ntpd.service 2>/dev/null
|
||||
systemctl disable ntpd.service 2>/dev/null
|
||||
|
||||
systemctl disable ntp-wait.service 2>/dev/null
|
||||
systemctl disable ntpdate.service 2>/dev/null
|
||||
|
||||
systemctl stop chronyd.service
|
||||
|
||||
# The system is configured to maintain the RTC in universal time.
|
||||
timedatectl set-local-rtc 0
|
||||
warn_if_bad "$?" "Failed to configure the system to maintain the RTC in universal time"
|
||||
|
||||
# Synchronize and set the system clock once
|
||||
logger -t xcat -p local4.info "Syncing the clock ..."
|
||||
chronyd -f /dev/null -q "$(
|
||||
if [ "${#NTP_SERVERS[@]}" -gt "0" ]
|
||||
then
|
||||
echo "server ${NTP_SERVERS[0]} iburst"
|
||||
else
|
||||
echo "pool pool.ntp.org iburst"
|
||||
fi
|
||||
)" "pidfile /dev/null"
|
||||
|
||||
rm -f /etc/adjtime
|
||||
# Set the hardware clock from the system clock
|
||||
hwclock --systohc --utc
|
||||
warn_if_bad "$?" "Failed to set the hardware clock"
|
||||
|
||||
## On RHEL 8
|
||||
#CHRONY_USER="chrony"
|
||||
#CHRONY_GROUP="chrony"
|
||||
## On Ubuntu 18.04
|
||||
#CHRONY_USER="_chrony"
|
||||
#CHRONY_GROUP="_chrony"
|
||||
|
||||
CHRONY_CONF="/etc/chrony.conf"
|
||||
KEY_FILE="/etc/chrony.keys"
|
||||
|
||||
if [ -d "/etc/chrony" ]
|
||||
then
|
||||
# Ubuntu 18.04 default
|
||||
CHRONY_CONF="/etc/chrony/chrony.conf"
|
||||
KEY_FILE="/etc/chrony/chrony.keys"
|
||||
fi
|
||||
|
||||
# Take the best educated guess for the pathname of the chrony drift file
|
||||
DRIFT_FILE="$(
|
||||
for file in /var/lib/chrony/drift /var/lib/chrony/chrony.drift
|
||||
do
|
||||
if [ -f "${file}" ]
|
||||
then
|
||||
echo "${file}"
|
||||
exit
|
||||
fi
|
||||
done
|
||||
|
||||
if [ "chrony" = \
|
||||
"$(rpm -qf /var/lib/chrony/drift --qf '%{name}' 2>/dev/null)" ]
|
||||
then
|
||||
echo /var/lib/chrony/drift
|
||||
exit
|
||||
fi
|
||||
|
||||
for file in /usr/share/chrony/chrony.conf \
|
||||
/etc/chrony.conf /etc/chrony/chrony.conf \
|
||||
$(grep -a -m 1 -o -P '/([^\x00]+/)*[^\x00]+\.conf' \
|
||||
"$(type -p chronyd)" 2>/dev/null)
|
||||
do
|
||||
if [ -f "${file}" ]
|
||||
then
|
||||
while read -r key val blah
|
||||
do
|
||||
if [ "${key}" = "driftfile" -a -n "${val}" ]
|
||||
then
|
||||
echo "${val}"
|
||||
exit
|
||||
fi
|
||||
done <"${file}"
|
||||
fi
|
||||
done
|
||||
|
||||
# The default value
|
||||
echo /var/lib/chrony/drift
|
||||
)"
|
||||
|
||||
LOG_DIR="/var/log/chrony"
|
||||
|
||||
logger -t xcat -p local4.info "Install: Setup NTP - chrony"
|
||||
cp "${CHRONY_CONF}" "${CHRONY_CONF}.xcatsave"
|
||||
cat >"${CHRONY_CONF}" <<EOF
|
||||
# This chrony configuration file is generated by xCAT
|
||||
|
||||
# Use public servers from the pool.ntp.org project.
|
||||
# Please consider joining the pool (http://www.pool.ntp.org/join.html).
|
||||
$(
|
||||
if [ "${#NTP_SERVERS[@]}" -gt "0" ]
|
||||
then
|
||||
for n in "${NTP_SERVERS[@]}"
|
||||
do
|
||||
echo "server ${n} iburst"
|
||||
done
|
||||
else
|
||||
echo "pool pool.ntp.org iburst maxsources 4"
|
||||
echo "pool 0.pool.ntp.org iburst maxsources 4"
|
||||
echo "pool 1.pool.ntp.org iburst maxsources 4"
|
||||
echo "pool 2.pool.ntp.org iburst maxsources 8"
|
||||
fi
|
||||
)
|
||||
|
||||
# Record the rate at which the system clock gains/losses time.
|
||||
driftfile ${DRIFT_FILE}
|
||||
|
||||
# Allow the system clock to be stepped in the first three updates
|
||||
# if its offset is larger than 1 second.
|
||||
makestep 1.0 3
|
||||
|
||||
# Enable kernel synchronization of the real-time clock (RTC).
|
||||
rtcsync
|
||||
|
||||
# Enable hardware timestamping on all interfaces that support it.
|
||||
#hwtimestamp *
|
||||
|
||||
# Increase the minimum number of selectable sources required to adjust
|
||||
# the system clock.
|
||||
#minsources 2
|
||||
|
||||
# Allows access by any node (IPv4 or IPv6).
|
||||
allow
|
||||
|
||||
# Serve time even if not synchronized to a time source.
|
||||
local stratum 10
|
||||
|
||||
# Specify file containing keys for NTP authentication.
|
||||
keyfile ${KEY_FILE}
|
||||
|
||||
# Get TAI-UTC offset and leap seconds from the system tz database.
|
||||
leapsectz right/UTC
|
||||
|
||||
# Specify directory for log files.
|
||||
logdir ${LOG_DIR}
|
||||
|
||||
# Select which information is logged.
|
||||
log measurements statistics tracking
|
||||
EOF
|
||||
exit_if_bad "$?" "Failed to create configuration file for chrony"
|
||||
|
||||
systemctl reenable chronyd.service
|
||||
exit_if_bad "$?" "Failed to enable chronyd.service"
|
||||
|
||||
systemctl reload-or-restart chronyd.service
|
||||
exit_if_bad "$?" "Failed to start chronyd.service"
|
||||
|
||||
logger -t xcat -p local4.info "NTP setup accomplished!"
|
||||
|
||||
exit 0
|
||||
|
||||
# vim: filetype=sh
|
||||
# vim: noautoindent
|
||||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# End of file
|
||||
Loading…
x
Reference in New Issue
Block a user