diff options
Diffstat (limited to 'usr/src/cmd/cron/svc-cron')
| -rw-r--r-- | usr/src/cmd/cron/svc-cron | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/usr/src/cmd/cron/svc-cron b/usr/src/cmd/cron/svc-cron index 4def6071b8..55033608ee 100644 --- a/usr/src/cmd/cron/svc-cron +++ b/usr/src/cmd/cron/svc-cron @@ -22,8 +22,7 @@ # # Copyright 2006 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. -# -# ident "%Z%%M% %I% %E% SMI" +# Copyright 2012 Joyent, Inc. All rights reserved. # # Start method script for the cron service. # @@ -37,6 +36,45 @@ if [ -p /etc/cron.d/FIFO ]; then fi fi +if smf_is_globalzone && [ -n "$(bootparams | grep '^headnode=true')" ]; then + # + # Randomize root's crontab so all HN's are not in sync. + # + utc_offset=`nawk -F= '{if ($1 == "utc_offset") print $2}' \ + /usbkey/config.inc/generic` + [ -z "$utc_offset" ] && utc_offset=0 + + n=$(date +%S) + hr=$(($n % 5)) + hr=$(($hr + $utc_offset)) + + n=$(date +%M) + mn=$(($n % 15)) + + nawk -v hr=$hr -v mn=$mn '{ + if (substr($1, 1, 1) == "#") { + print $0 + next + } + if (substr($2, 1, 1) == "*") { + print $0 + next + } + if (length($0) == 0) { + print $0 + next + } + + printf("%d %d %s %s %s %s", mn, hr, $3, $4, $5, $6) + for (i = 7; i <= NF; i++) + printf(" %s", $i) + printf("\n") + mn += 10 + }' /etc/cron.d/crontabs/root >/etc/cron.d/crontabs/root.$$ + cp /etc/cron.d/crontabs/root.$$ /etc/cron.d/crontabs/root + rm -f /etc/cron.d/crontabs/root.$$ +fi + if [ -x /usr/sbin/cron ]; then /usr/bin/rm -f /etc/cron.d/FIFO /usr/sbin/cron & |