X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;ds=sidebyside;f=dsa-nagios-checks%2Fsbin%2Fdsa-update-apt-status;fp=dsa-nagios-checks%2Fsbin%2Fdsa-update-apt-status;h=3e3acefbb627d3839494b1ffe7c54d1a061185d7;hb=42e99da9d896a33803e763c746e9a103183b6b34;hp=0000000000000000000000000000000000000000;hpb=dd1a60aa0efd9914ffce41c495858e5ca20fe600;p=mirror%2Fdsa-nagios.git

diff --git a/dsa-nagios-checks/sbin/dsa-update-apt-status b/dsa-nagios-checks/sbin/dsa-update-apt-status
new file mode 100755
index 0000000..3e3acef
--- /dev/null
+++ b/dsa-nagios-checks/sbin/dsa-update-apt-status
@@ -0,0 +1,74 @@
+#!/bin/sh
+
+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
+
+	[ -e "$STATUS" ] || return $run
+	[ /var/lib/dpkg/status -nt "$STATUS" ] && return $run
+	[ /var/cache/apt/pkgcache.bin -nt "$STATUS" ] && return $run
+	grep "apt-get update failed" "$STATUS" > /dev/null && return $run
+
+	local last_mod
+	last_mod=`stat -c "%Y" "$STATUS"`
+	now=`date +%s`
+	age=$(( $now - $last_mod ))
+	[ "$age" -gt "$MAX_AGE" ] && return $run
+
+	return $norun
+}
+
+# do stuff only when required
+run_required || exit
+
+# sleep if called non-interactively
+if [ -z "$TERM" -o "$TERM" = "dumb" ]; then
+	sleep $(( $RANDOM % $SLEEP_MAX ))
+fi
+
+# run apt-get update, retry a few times if it fails
+count=0
+while [ "$count" -lt "$UPDATE_RUNS" ]; do
+	apt-get update -qq >/dev/null >&2
+	if [ "$?" = "0" ]; then break; fi
+	sleep $(( $RANDOM % 600 ))
+	count="$(( $count + 1 ))"
+done
+if [ "$count" -ge "$UPDATE_RUNS" ]; then
+	(echo "WARNING"
+	 echo "apt-get update failed") > "$STATUS"
+	 exit 1
+fi
+
+# run the apt check itself
+tmp=`tempfile`
+trap "rm -f '$tmp'" exit
+#/usr/share/dsa/apt-status-check --noupdate --timeout=600 > "$tmp"
+/usr/lib/nagios/plugins/dsa-check-packages > "$tmp"
+result="$?"
+case "$result" in
+  0)
+	st="OK"
+	;;
+  1)
+	st="WARNING"
+	;;
+  2)
+	st="CRITICAL"
+	;;
+  *)
+	st="UNKNOWN"
+	;;
+esac
+(echo "$st"; cat "$tmp") > "$STATUS"