X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;f=dsa-nagios-nrpe-config%2Fdsa-update-apt-status;h=3e3acefbb627d3839494b1ffe7c54d1a061185d7;hb=7c593dc0096c577aa21413506b68fff8af9d28d8;hp=5433d187746274579bd02ec53788831823b58c86;hpb=2b53cd5e9283c1fe9745af86b10d452195f88daa;p=mirror%2Fdsa-nagios.git diff --git a/dsa-nagios-nrpe-config/dsa-update-apt-status b/dsa-nagios-nrpe-config/dsa-update-apt-status index 5433d18..3e3acef 100755 --- a/dsa-nagios-nrpe-config/dsa-update-apt-status +++ b/dsa-nagios-nrpe-config/dsa-update-apt-status @@ -2,7 +2,15 @@ UPDATE_RUNS=3 STATUS=/var/cache/dsa/nagios/apt +SLEEP_MAX=$(( 15 * 60 )) +MAX_AGE=$(( 23 * 60 * 60 )) +# we want to run if any of the following things is true +# - we have never run before +# - var/lib/dpkg/status has been touched since the last run +# - var/cache/apt/pkgcache.bin has been touched since the last run +# - our last run ended with 'apt-get update failed' +# - our last run has been more than MAX_AGE (23hrs) ago run_required() { local run=0 local norun=1 @@ -11,25 +19,28 @@ run_required() { [ /var/lib/dpkg/status -nt "$STATUS" ] && return $run [ /var/cache/apt/pkgcache.bin -nt "$STATUS" ] && return $run grep "apt-get update failed" "$STATUS" > /dev/null && return $run -} -sleep_max=7200 + local last_mod + last_mod=`stat -c "%Y" "$STATUS"` + now=`date +%s` + age=$(( $now - $last_mod )) + [ "$age" -gt "$MAX_AGE" ] && return $run -if [ "$1" == "hourly" ] ; then - # on the hourly run, only update when the system changed since the last run - run_required || exit - sleep_max=900 -fi + return $norun +} + +# do stuff only when required +run_required || exit # sleep if called non-interactively if [ -z "$TERM" -o "$TERM" = "dumb" ]; then - sleep $(( $RANDOM % $sleep_max )) + sleep $(( $RANDOM % $SLEEP_MAX )) fi # run apt-get update, retry a few times if it fails count=0 while [ "$count" -lt "$UPDATE_RUNS" ]; do - apt-get update -qq + apt-get update -qq >/dev/null >&2 if [ "$?" = "0" ]; then break; fi sleep $(( $RANDOM % 600 )) count="$(( $count + 1 ))" @@ -43,7 +54,8 @@ fi # run the apt check itself tmp=`tempfile` trap "rm -f '$tmp'" exit -/usr/share/dsa/apt-status-check --noupdate --timeout=600 > "$tmp" +#/usr/share/dsa/apt-status-check --noupdate --timeout=600 > "$tmp" +/usr/lib/nagios/plugins/dsa-check-packages > "$tmp" result="$?" case "$result" in 0)