main/sysklogd: use cron to rotate logs rather than logrotate

The cronscript parses the syslog.conf and dynamically rotates all
configured log files, while logrotate is a static list.

This way we avoid needing to update the logrotate script each time
you change syslog.conf

4 files changed, 99 insertions, 13 deletions

diff --git a/main/sysklogd/APKBUILD b/main/sysklogd/APKBUILD
index 43ce5aa5..ea561d1f 100644
--- a/main/sysklogd/APKBUILD
+++ b/main/sysklogd/APKBUILD
@@ -1,15 +1,16 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=sysklogd
 pkgver=1.5
-pkgrel=1
+pkgrel=2
 pkgdesc="System and kernel log daemons"
 url="http://www.infodrom.org/projects/sysklogd/"
 license="GPL BSD"
 subpackages="$pkgname-doc"
-depends="logrotate"
+depends=
 makedepends=""
 source="http://www.infodrom.org/projects/$pkgname/download/$pkgname-$pkgver.tar.gz
 	sysklogd.logrotate
+	sysklogd.daily
 	sysklogd.initd
 	sysklogd.confd
 	sysklogd-1.4.2-caen-owl-klogd-drop-root.diff
@@ -37,13 +38,16 @@ build ()
 	make INSTALL=install prefix="$pkgdir" install
 	install -D -m644 ../sysklogd.logrotate \
 		"$pkgdir"/etc/logrotate.d/sysklogd
+	install -D -m755 ../sysklogd.daily \
+		"$pkgdir"/etc/periodic/daily/sysklogd
 	install -D -m755 ../sysklogd.initd "$pkgdir"/etc/init.d/sysklogd
 	install -D -m644 ../sysklogd.confd "$pkgdir"/etc/conf.d/sysklogd
 	install -D -m644 ../syslog.conf "$pkgdir"/etc/syslog.conf
 	install -D -m644 ../LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
 }
 md5sums="e053094e8103165f98ddafe828f6ae4b  sysklogd-1.5.tar.gz
-40304e92b2f6a92e252de24c5e3ca88e  sysklogd.logrotate
+6bc1d1c65076b104a8f78d0fb4f21db7  sysklogd.logrotate
+c9274a06835b95feb8aab31523418847  sysklogd.daily
 9332657663a9f4286e5c61d22c46378f  sysklogd.initd
 e25d7b583b7e4bd8be503b89e1771e90  sysklogd.confd
 3b7ba3aa6519f96f11165a7d5900a8b1  sysklogd-1.4.2-caen-owl-klogd-drop-root.diff
@@ -51,5 +55,5 @@ e25d7b583b7e4bd8be503b89e1771e90  sysklogd.confd
 6c0a416e40a678cf99c454b0e98185c9  sysklogd-1.4.2-caen-owl-syslogd-drop-root.diff
 c71826d1a4f3f7e8ffa57adbfc24f1ce  sysklogd-1.5-build.patch
 8e70cdf98cce9defae0c28a3d2db4410  ksym-fclose-fix.diff
-49ba209742f1651f4bda6c5e92cbb3eb  syslog.conf
+16019757e6af519be8cf3398b97e0f1b  syslog.conf
 7930f7ff5038e1318511624e348581cc  LICENSE"
diff --git a/main/sysklogd/sysklogd.daily b/main/sysklogd/sysklogd.daily
new file mode 100755
index 00000000..79e85fb4
--- /dev/null
+++ b/main/sysklogd/sysklogd.daily
@@ -0,0 +1,82 @@
+#!/bin/sh
+# This is a shell script replacement for the sysklogd's logrotate cron script
+# and syslogd-listfiles perl script. 
+# Copyright (C) 2008 N. Angelacos for the Alpine Linux project  - GPL2
+
+
+CONF="/etc/syslog.conf"
+
+
+syslogd_listfiles() {
+	# List the target files from syslog.conf
+	
+	local skip="auth"
+	[ "$1" = "--auth" ]  && skip="	"
+
+	# the while loop joins lines that end in "\"
+	# the sed (in order)- 	
+	#		strips comments; 
+	#		collapses spaces/tabs to 1 space; 
+	#		deletes the "-" in front of the filename; 
+	#		deletes lines that have the "skip" facility
+	#		deletes the facility (leaving just the filename)
+	#		deletes lines that are not filenames with leading "/" 
+	while read a ; do echo "$a"; done < $CONF |\
+		 sed -n "/^ *#/D; /^[ 	]*$/D; s/[	 ]\+/ /g; \
+		 s+ -/+ /+g; /^.*\($skip\)[^ ]* /D; \
+		 s/^[^ ]* //; /^[^\\/]/D; P" |\
+		 sort | uniq
+}
+
+# dumb little savelog  - no error checking here 
+savelog () {
+	local group="adm"
+	local mode="644"
+	local user="root"
+	local cycle=2
+	local logfile=""
+
+	# parse args
+	while getopts "g:u:m:c:" opt; do
+		case $opt in 
+			g) group=$OPTARG ;;
+			u) user=$OPTARG ;;
+			m) mode=$OPTARG ;;
+			c) cycle=$OPTARG ;;
+			*) echo "unknown option: $opt" >&2 && return 1;;
+		esac
+	done
+	shift $(( $OPTIND - 1 ))
+	logfile=$1
+
+	# Cycle the logs
+	while [ $cycle -ne 0 ]; do
+		p=$cycle
+		cycle=$(( $cycle - 1 ))
+		a=$logfile.$cycle*
+		b=$( echo $a | sed "s/\.$cycle/\.$p/") 
+		[ -f $a ] && mv $a $b
+	done
+
+	# compress .1 and let .0 be uncompressed
+	[ -f $logfile.1 ] && gzip $logfile.1 
+	[ -f $logfile ] && mv $logfile $logfile.0
+
+	# set permissions
+	chown $user:$group $logfile.* 2>/dev/null
+	chmod $mode $logfile.* 2>/dev/null
+}
+
+
+# Main script
+
+for LOG in $( syslogd_listfiles ); do
+	[ -f $LOG ] && savelog -g adm -m 640 -u root -c 7 $LOG
+done
+
+for LOG in $(syslogd_listfiles --auth); do
+	[ -f $LOG ] && savelog -g adm -m 640 -u root -c 7 $LOG
+done
+
+killall -HUP syslogd
+
diff --git a/main/sysklogd/sysklogd.logrotate b/main/sysklogd/sysklogd.logrotate
index 29afd15b..0fd0be2f 100644
--- a/main/sysklogd/sysklogd.logrotate
+++ b/main/sysklogd/sysklogd.logrotate
@@ -1,6 +1,6 @@
-/var/log/messages /var/log/auth /var/log/mail /var/log/errors /var/log/kernel {
-    sharedscripts
-    postrotate
-	    /etc/init.d/sysklogd --quiet reload
-    endscript
-}
+# we do logrotatation in a separate cron script that parses syslog.conf
+# and rotates whatever user have configured.
+#
+# That is better than having users to maunally update this logrotate config
+# whenever they touch syslog.conf
+#
diff --git a/main/sysklogd/syslog.conf b/main/sysklogd/syslog.conf
index 855ee6e3..aead955c 100644
--- a/main/sysklogd/syslog.conf
+++ b/main/sysklogd/syslog.conf
@@ -18,9 +18,9 @@ user.*				-/var/log/user.log
 # Logging for the mail system.  Split it up so that
 # it is easy to write scripts to parse these files.
 #
-mail.info			-/var/log/mail.info
-mail.warning			-/var/log/mail.warn
-mail.err			/var/log/mail.err
+#mail.info			-/var/log/mail.info
+#mail.warning			-/var/log/mail.warn
+#mail.err			/var/log/mail.err
 
 # Some `catch-all' logfiles.
 #