From fea045bc29917a1d0011544037ca430ef6040c28 Mon Sep 17 00:00:00 2001
From: Holger Levsen <holger@layer-acht.org>
Date: Sat, 1 Nov 2014 15:22:53 +0100
Subject: s#housekeeping#maintainance#g everyhwere

---
 bin/maintainance.sh | 163 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 163 insertions(+)
 create mode 100755 bin/maintainance.sh

(limited to 'bin/maintainance.sh')

diff --git a/bin/maintainance.sh b/bin/maintainance.sh
new file mode 100755
index 00000000..85629757
--- /dev/null
+++ b/bin/maintainance.sh
@@ -0,0 +1,163 @@
+#!/bin/bash
+
+# Copyright 2012-2014 Holger Levsen <holger@layer-acht.org>
+# released under the GPLv=2
+
+DEBUG=false
+. /srv/jenkins/bin/common-functions.sh
+common_init "$@"
+
+check_for_mounted_chroots() {
+	CHROOT_PATTERN="/chroots/${1}-*"
+	OUTPUT=$(mktemp)
+	ls $CHROOT_PATTERN 2>/dev/null > $OUTPUT || true
+	if [ -s $OUTPUT ] ; then
+		figlet "Warning:"
+		echo
+		echo "Probably manual cleanup needed:"
+		echo
+		echo "$ ls -la $CHROOT_PATTERN"
+		# List the processes using the partition
+		echo
+		fuser -mv $CHROOT_PATTERN
+		cat $OUTPUT
+		rm $OUTPUT
+		exit 1
+	fi
+	rm $OUTPUT
+}
+
+chroot_checks() {
+	check_for_mounted_chroots $1
+	report_disk_usage /chroots
+	report_disk_usage /schroots
+	echo "WARNING: should remove directories in /(s)chroots which are older than a month."
+}
+
+report_disk_usage() {
+	if [ -z "$WATCHED_JOBS" ] ; then
+		echo "File system usage for all ${1} jobs:"
+	else
+		echo "File system usage for all ${1} jobs (including those currently running):"
+	fi
+	du -schx /var/lib/jenkins/jobs/${1}* |grep total |sed -s "s#total#${1} jobs#"
+	echo
+	if [ ! -z "$WATCHED_JOBS" ] ; then
+		TMPFILE=$(mktemp)
+		for JOB in $(cat $WATCHED_JOBS) ; do
+			du -shx --exclude='*/archive/*' $JOB | grep G >> $TMPFILE || true
+		done
+		if [ -s $TMPFILE ] ; then
+			echo
+			echo "${1} jobs with filesystem usage over 1G, excluding their archives and those currently running:"
+			cat $TMPFILE
+			echo
+		fi
+		rm $TMPFILE
+	fi
+}
+
+report_filetype_usage() {
+	OUTPUT=$(mktemp)
+	for JOB in $(cat $WATCHED_JOBS) ; do
+		if [ "$2" != "bak" ] && [ "$2" != "ppm" ] ; then
+			find /var/lib/jenkins/jobs/$JOB -type f -name "*.${2}" ! -path "*/archive/*" 2>/dev/null|xargs -r du -sch |grep total |sed -s "s#total#$JOB .$2 files#" >> $OUTPUT
+		else
+			# find archived .bak + .ppm files too
+			find /var/lib/jenkins/jobs/$JOB -type f -name "*.${2}" 2>/dev/null|xargs -r du -sch |grep total |sed -s "s#total#$JOB .$2 files#" >> $OUTPUT
+		fi
+	done
+	if [ -s $OUTPUT ] ; then
+		echo "File system use in $1 for $2 files:"
+		cat $OUTPUT
+		if [ "$3" = "warn" ] ; then
+			echo "Warning: there are $2 files and there should not be any."
+		fi
+		echo
+	fi
+	rm $OUTPUT
+}
+
+report_squid_usage() {
+	REPORT=/var/www/calamaris/calamaris.txt
+	if [ -z $1 ] ; then
+		cat $REPORT
+	else
+		head -31 $REPORT
+	fi
+}
+
+wait4idle() {
+	echo "Waiting until no $1.sh process runs.... $(date)"
+	while [ $(ps fax | grep -c $1.sh) -gt 1 ] ; do
+		sleep 30
+	done
+	echo "Done waiting: $(date)"
+}
+
+general_maintainance() {
+	uptime
+
+	echo
+	# ignore unreadable /media fuse mountpoints from guestmount
+	df -h 2>/dev/null || true
+
+	echo
+	for DIR in /var/cache/apt/archives/ /var/spool/squid/ /var/cache/pbuilder/build/ /var/lib/jenkins/jobs/ /chroots /schroots ; do
+		sudo du -shx $DIR 2>/dev/null
+	done
+	JOB_PREFIXES=$(ls -1 /var/lib/jenkins/jobs/|cut -d "_" -f1|sort -f -u)
+	for PREFIX in $JOB_PREFIXES ; do
+		report_disk_usage $PREFIX
+	done
+
+	echo
+	vnstat
+
+	(df 2>/dev/null || true ) | grep tmpfs > /dev/null || ( echo ; echo "Warning: no tmpfs mounts in use. Please investigate the host system." ; exit 1 )
+}
+
+#
+# if $1 is empty, we do general maintainance, else for some subgroup of all jobs
+#
+if [ -z $1 ] ; then
+	general_maintainance
+	report_squid_usage brief
+else
+	case $1 in
+		chroot-installation*)		wait4idle $1
+						report_disk_usage $1
+						chroot_checks $1
+						;;
+		g-i-installation)		ACTIVE_JOBS=$(mktemp)
+						WATCHED_JOBS=$(mktemp)
+						RUNNING=$(mktemp)
+						ps fax > $RUNNING
+						cd /var/lib/jenkins/jobs
+						for GIJ in g-i-installation_* ; do
+							if grep -q "$GIJ/workspace" $RUNNING ; then
+								echo "$GIJ" >> $ACTIVE_JOBS
+								echo "Ignoring $GIJ job as it's currently running."
+							else
+								echo "$GIJ" >> $WATCHED_JOBS
+							fi
+						done
+						echo
+						report_disk_usage $1
+						report_filetype_usage $1 png
+						report_filetype_usage $1 ppm warn
+						report_filetype_usage $1 bak warn
+						report_filetype_usage $1 raw warn
+						report_filetype_usage $1 iso warn
+						echo "WARNING: there is no check / handling on stale lvm volumes"
+						rm $ACTIVE_JOBS $WATCHED_JOBS $RUNNING
+						;;
+		squid)				report_squid_usage
+						;;
+		*)				;;
+	esac
+fi
+
+echo
+echo "No (big) problems found, all seems good."
+figlet "Ok."
-- 
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