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| author | Simon Rettberg | 2023-09-29 15:57:03 +0200 |
|---|---|---|
| committer | Simon Rettberg | 2023-09-29 15:57:29 +0200 |
| commit | 9dfbd328d5440054be6e5d6e1138c86c076a51e8 (patch) | |
| tree | 848f2756417947381ef70861477d02164eccc78d | |
| parent | This should never have worked (diff) | |
| download | mltk-9dfbd328d5440054be6e5d6e1138c86c076a51e8.tar.gz mltk-9dfbd328d5440054be6e5d6e1138c86c076a51e8.tar.xz mltk-9dfbd328d5440054be6e5d6e1138c86c076a51e8.zip | |
[bwlp-stage4-tweaks] Add daily ntp sync script
Closes #3947
| -rw-r--r-- | core/modules/bwlp-stage4-tweaks/data/etc/cron.d/slx-timesync | 7 | ||||
| -rwxr-xr-x | core/modules/bwlp-stage4-tweaks/data/opt/openslx/scripts/cron-ntp | 40 |
2 files changed, 47 insertions, 0 deletions
diff --git a/core/modules/bwlp-stage4-tweaks/data/etc/cron.d/slx-timesync b/core/modules/bwlp-stage4-tweaks/data/etc/cron.d/slx-timesync new file mode 100644 index 00000000..6acc48d5 --- /dev/null +++ b/core/modules/bwlp-stage4-tweaks/data/etc/cron.d/slx-timesync @@ -0,0 +1,7 @@ +# Sync time once a day; script includes a random startup delay +# Avoid clients running for weeks to run out of sync with the server too much + +SHELL=/bin/sh +PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/opt/openslx/sbin:/opt/openslx/bin + +19 1 * * * root /opt/openslx/scripts/cron-ntp diff --git a/core/modules/bwlp-stage4-tweaks/data/opt/openslx/scripts/cron-ntp b/core/modules/bwlp-stage4-tweaks/data/opt/openslx/scripts/cron-ntp new file mode 100755 index 00000000..64dc2fda --- /dev/null +++ b/core/modules/bwlp-stage4-tweaks/data/opt/openslx/scripts/cron-ntp @@ -0,0 +1,40 @@ +#!/bin/bash + +. /opt/openslx/config + +[ -z "$SLX_NTP_SERVER" ] && exit 0 + +declare -a cmd +if command -v ntpdate &> /dev/null; then + cmd=( ntpdate ) + ntpdate --help 2>&1 | grep -q '\s-B\s' && cmd+=( -B ) + ntpdate --help 2>&1 | grep -q '\s-t\s' && cmd+=( -t 5 ) +elif command -v ntpdig &> /dev/null; then + cmd=( ntpdig ) + ntpdig --help 2>&1 | grep -q '\s-s\s' && cmd+=( -s ) + ntpdig --help 2>&1 | grep -q '\s-t\s' && cmd+=( -t 5 ) + ntpdig --help 2>&1 | grep -q '\s-p\s' && cmd+=( -p 2 ) +elif busybox ntpd --help &> /dev/null; then + command -v timeout &> /dev/null && cmd=( timeout 5 ) + cmd+=( busybox ntpd -q -n -p ) +fi + +# Random delay if not run on terminal +[ -t 0 ] || sleep $(( RANDOM % 60 )) + +for srv in $SLX_NTP_SERVER; do + "${cmd[@]}" "$srv" || continue + # Success + echo "Time updated from NTP" + command -v hwclock &> /dev/null || exit 0 + sleep 1 + if [ "$SLX_BIOS_CLOCK" = "local" ]; then + hwclock -l -w || echo "... but could not set BIOS clock to localtime" + elif [ "$SLX_BIOS_CLOCK" = "utc" ]; then + hwclock -u -w || echo "... but could not set BIOS clock to UTC" + fi + exit 0 +done + +echo 'No NTP server reachable!' +exit 1 |