4fc82e006
Denys Vlasenko
2010-01-13
Subject
examples: add example ntpd service
Binary
No binary (build failed)
Architecture & Compiler Flags
—
Build Log
(log yok)
Commit Diff GitHub →
examples/var_service/ntpd/log/run +21 -0examples/var_service/ntpd/ntp.script +29 -0examples/var_service/ntpd/p_log +4 -0examples/var_service/ntpd/run +60 -0examples/var_service/ntpd/w_log +4 -0
examples/var_service/ntpd/log/run+21 -0
| @@ -0,0 +1,21 @@ | |
| + | #!/bin/sh |
| + | |
| + | user=logger |
| + | |
| + | logdir="/var/log/service/`(cd ..;basename $PWD)`" |
| + | mkdir -p "$logdir" 2>/dev/null |
| + | chown -R "$user": "$logdir" |
| + | chmod -R go-rwxst,u+rwX "$logdir" |
| + | rm logdir |
| + | ln -s "$logdir" logdir |
| + | |
| + | # make this dir accessible to logger |
| + | chmod a+rX . |
| + | |
| + | exec >/dev/null |
| + | exec 2>&1 |
| + | exec \ |
| + | env - PATH="$PATH" \ |
| + | softlimit \ |
| + | setuidgid "$user" \ |
| + | svlogd -tt "$logdir" |
examples/var_service/ntpd/ntp.script+29 -0
| @@ -0,0 +1,29 @@ | |
| + | #!/bin/sh |
| + | |
| + | exec 2>/dev/null |
| + | echo "`tail -n 99 "$0.log"`" >"$0.log" |
| + | |
| + | exec >>"$0.log" |
| + | exec 2>&1 |
| + | |
| + | dt=`date '+%Y-%m-%d %H:%M:%S'` |
| + | |
| + | if test x"$stratum" != x"" \ |
| + | && test x"$poll_interval" != x"" \ |
| + | && test 4 -ge "$stratum" \ |
| + | && test 128 -le "$poll_interval" \ |
| + | ; then |
| + | echo "$dt: $1"\ |
| + | "freq_drift_ppm=$freq_drift_ppm"\ |
| + | "offset=$offset"\ |
| + | "stratum=$stratum"\ |
| + | "poll_interval=$poll_interval,"\ |
| + | "setting hardware clock" |
| + | exec hwclock --systohc |
| + | fi |
| + | |
| + | echo "$dt: $1"\ |
| + | "freq_drift_ppm=$freq_drift_ppm"\ |
| + | "offset=$offset"\ |
| + | "stratum=$stratum"\ |
| + | "poll_interval=$poll_interval"\ |
examples/var_service/ntpd/p_log+4 -0
| @@ -0,0 +1,4 @@ | |
| + | #!/bin/sh |
| + | |
| + | cd log/logdir || exit 1 |
| + | cat @* current | $PAGER |
examples/var_service/ntpd/run+60 -0
| @@ -0,0 +1,60 @@ | |
| + | #!/bin/bash |
| + | # (using bashism (arrays) in dhcp config) |
| + | |
| + | #exec >/dev/null |
| + | exec 2>&1 |
| + | exec </dev/null |
| + | |
| + | user=root |
| + | pool="us.pool.ntp.org" # replace "us" with your country code |
| + | |
| + | service="${PWD##*/}" |
| + | rundir="/var/run/service/$service" |
| + | default_p_opt="-p 0.$pool -p 1.$pool -p 2.$pool -p 3.$pool" |
| + | |
| + | |
| + | # Make sure rundir/ exists |
| + | mkdir -p "$rundir" 2>/dev/null |
| + | chown -R "$user:" "$rundir" |
| + | chmod -R a=rX "$rundir" |
| + | rm -rf rundir 2>/dev/null |
| + | ln -s "$rundir" rundir |
| + | |
| + | |
| + | echo "* Checking network" |
| + | test -f /var/run/service/fw/up || exec sleep 7 |
| + | sleep 5 # to let it settle |
| + | |
| + | # Grab config from dhcp |
| + | cfg=-1 |
| + | for f in rundir/*.ntpconf; do |
| + | test -f "$f" || continue |
| + | . "$f" |
| + | done |
| + | |
| + | # Select peers |
| + | p_opt="" |
| + | cfg=0 |
| + | while test x"${ntpip[$cfg]}" != x""; do |
| + | p_opt="$p_opt -p ${ntpip[$cfg]}" |
| + | let cfg=cfg+1 |
| + | done |
| + | test x"$p_opt" == x"" && p_opt="$default_p_opt" |
| + | |
| + | if test x"$p_opt" == x""; then |
| + | echo "* No NTP peers configured, stopping" |
| + | sv o . |
| + | exec sleep 1 |
| + | fi |
| + | |
| + | |
| + | # Let others know that we are up |
| + | date '+%Y-%m-%d %H:%M:%S %Z' >rundir/up |
| + | |
| + | # Go go go |
| + | echo "* Starting ntpd[$$]" |
| + | exec \ |
| + | env - PATH="$PATH" \ |
| + | softlimit \ |
| + | setuidgid "$user" \ |
| + | ntpd -ddnNl -S ./ntp.script $p_opt |
examples/var_service/ntpd/w_log+4 -0
| @@ -0,0 +1,4 @@ | |
| + | #!/bin/sh |
| + | |
| + | cd log/logdir || exit 1 |
| + | watch -n2 'w=`ttysize w`; h=`ttysize h`; tail -$((h-3)) current 2>&1 | cut -b0-$((w-2))' |