#!/bin/sh
+#
+
#set -e
#
# This file understands the following apt configuration variables:
-# Values here are the default.
-# Create /etc/apt/apt.conf.d/02periodic file to set your preference.
-#
-# Dir "/";
-# - RootDir for all configuration files
-#
-# Dir::Cache "var/apt/cache/";
-# - Set apt package cache directory
-#
-# Dir::Cache::Archive "archives/";
-# - Set package archive directory
-#
-# APT::Periodic::BackupArchiveInterval "0";
-# - Backup after n-days if archive contents changed.(0=disable)
-#
-# APT::Periodic::BackupLevel "3";
-# - Backup level.(0=disable), 1 is invalid.
-#
-# Dir::Cache::Backup "backup/";
-# - Set periodic package backup directory
-#
-# APT::Archives::MaxAge "0"; (old, deprecated)
-# APT::Periodic::MaxAge "0"; (new)
-# - Set maximum allowed age of a cache package file. If a cache
-# package file is older it is deleted (0=disable)
-#
-# APT::Archives::MinAge "2"; (old, deprecated)
-# APT::Periodic::MinAge "2"; (new)
-# - Set minimum age of a package file. If a file is younger it
-# will not be deleted (0=disable). Usefull to prevent races
-# and to keep backups of the packages for emergency.
#
-# APT::Archives::MaxSize "0"; (old, deprecated)
-# APT::Periodic::MaxSize "0"; (new)
-# - Set maximum size of the cache in MB (0=disable). If the cache
-# is bigger, cached package files are deleted until the size
-# requirement is met (the biggest packages will be deleted
-# first).
-#
-# APT::Periodic::Update-Package-Lists "0";
+# "APT::Periodic::Update-Package-Lists=1"
# - Do "apt-get update" automatically every n-days (0=disable)
#
-# APT::Periodic::Download-Upgradeable-Packages "0";
+# "APT::Periodic::Download-Upgradeable-Packages=0",
# - Do "apt-get upgrade --download-only" every n-days (0=disable)
#
-# APT::Periodic::Unattended-Upgrade "0";
+# "APT::Periodic::AutocleanInterval"
+# - Do "apt-get autoclean" every n-days (0=disable)
+#
+# "APT::Periodic::Unattended-Upgrade"
# - Run the "unattended-upgrade" security upgrade script
# every n-days (0=disabled)
# Requires the package "unattended-upgrades" and will write
# a log in /var/log/unattended-upgrades
#
-# APT::Periodic::AutocleanInterval "0";
-# - Do "apt-get autoclean" every n-days (0=disable)
+# "APT::Archives::MaxAge",
+# - Set maximum allowed age of a cache package file. If a cache
+# package file is older it is deleted (0=disable)
#
-# APT::Periodic::Verbose "0";
-# - Send report mail to root
-# 0: no report (or null string)
-# 1: progress report (actually any string)
-# 2: + command outputs (remove -qq, remove 2>/dev/null, add -d)
-# 3: + trace on
+# "APT::Archives::MaxSize",
+# - Set maximum size of the cache in MB (0=disable). If the cache
+# is bigger, cached package files are deleted until the size
+# requirement is met (the biggest packages will be deleted
+# first).
+#
+# "APT::Archives::MinAge"
+# - Set minimum age of a package file. If a file is younger it
+# will not be deleted (0=disable). Usefull to prevent races
+# and to keep backups of the packages for emergency.
+#
check_stamp()
{
interval="$2"
if [ $interval -eq 0 ]; then
- debug_echo "check_stamp: interval=0."
- # treat as no time has passed
return 1
fi
if [ ! -f $stamp ]; then
- update_stamp $stamp
- debug_echo "check_stamp: missing time stamp file: $stamp."
- # treat as enough time has passed
return 0
fi
# compare midnight today to midnight the day the stamp was updated
- stamp=$(date -r $stamp '+%s')
+ stamp=$(date --date=$(date -r $stamp --iso-8601) +%s)
+ now=$(date --date=$(date --iso-8601) +%s)
delta=$(($now-$stamp))
- # intervall is in days, convert to sec.
+ # intervall is in days,
interval=$(($interval*60*60*24))
- debug_echo "check_stamp: interval=$interval, now=$now, stamp=$stamp, delta=$delta (sec)"
+ #echo "stampfile: $1"
+ #echo "interval=$interval, now=$now, stamp=$stamp, delta=$delta"
if [ $delta -ge $interval ]; then
return 0
update_stamp()
{
stamp="$1"
+
touch $stamp
}
-debug_echo()
+
+
+# we check here if autoclean was enough sizewise
+check_size_constraints()
+{
+ # min-age in days
+ MaxAge=0
+ MinAge=2
+ MaxSize=0
+ CacheDir="var/cache/apt"
+ CacheArchive="archives/"
+ eval $(apt-config shell MaxAge APT::Archives::MaxAge)
+ eval $(apt-config shell MinAge APT::Archives::MinAge)
+ eval $(apt-config shell MaxSize APT::Archives::MaxSize)
+ eval $(apt-config shell Dir Dir)
+ eval $(apt-config shell CacheDir Dir::Cache)
+ eval $(apt-config shell CacheArchive Dir::Cache::archives)
+
+ # sanity check
+ if [ -z "$CacheDir" -o -z "$CacheArchive" ]; then
+ echo "empty Dir::Cache or Dir::Cache::archives, exiting"
+ exit
+ fi
+
+ Cache="${Dir%/}/${CacheDir%/}/${CacheArchive%/}/"
+
+ # check age
+ if [ ! $MaxAge -eq 0 ] && [ ! $MinAge -eq 0 ]; then
+ find $Cache -name "*.deb" \( -mtime +$MaxAge -and -ctime +$MaxAge \) -and -not \( -mtime -$MinAge -or -ctime -$MinAge \) -print0 | xargs -r -0 rm -f
+ elif [ ! $MaxAge -eq 0 ]; then
+ find $Cache -name "*.deb" -ctime +$MaxAge -and -mtime +$MaxAge -print0 | xargs -r -0 rm -f
+ fi
+
+ # check size
+ if [ ! $MaxSize -eq 0 ]; then
+ # maxSize is in MB
+ MaxSize=$(($MaxSize*1024))
+
+ #get current time
+ now=$(date --date=$(date --iso-8601) +%s)
+ MinAge=$(($MinAge*24*60*60))
+
+ # reverse-sort by mtime
+ for file in $(ls -rt $Cache/*.deb 2>/dev/null); do
+ du=$(du -s $Cache)
+ size=${du%%/*}
+ # check if the cache is small enough
+ if [ $size -lt $MaxSize ]; then
+ break
+ fi
+
+ # check for MinAge of the file
+ if [ ! $MinAge -eq 0 ]; then
+ # check both ctime and mtime
+ mtime=$(stat -c %Y $file)
+ ctime=$(stat -c %Z $file)
+ if [ $mtime -gt $ctime ]; then
+ delta=$(($now-$mtime))
+ else
+ delta=$(($now-$ctime))
+ fi
+ #echo "$file ($delta), $MinAge"
+ if [ $delta -le $MinAge ]; then
+ #echo "Skiping $file (delta=$delta)"
+ break
+ fi
+ fi
+
+ # delete oldest file
+ rm -f $file
+ done
+ fi
+}
+
+# sleep for a random intervall of time (default 30min)
+# (some code taken from cron-apt, thanks)
+random_sleep()
{
- # Display message if $VERBOSE >= 1
- if [ "$VERBOSE" -ge 1 ]; then
- echo $1 1>&2
+ RandomSleep=1800
+ eval $(apt-config shell RandomSleep APT::Periodic::RandomSleep)
+ if [ $RandomSleep -eq 0 ]; then
+ return
fi
+ if [ -z "$RANDOM" ] ; then
+ # A fix for shells that do not have this bash feature.
+ RANDOM=$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -c"1-5")
+ fi
+ TIME=$(($RANDOM % $RandomSleep))
+ sleep $TIME
}
-# check apt-config exstance
-if ! which apt-config >/dev/null ; then
+# main
+
+if ! which apt-config >/dev/null; then
exit 0
fi
-# Set VERBOSE mode from apt-config (or inherit from environment)
-eval $(apt-config shell VERBOSE APT::Periodic::Verbose)
-if [ -z "$VERBOSE" ]; then
- VERBOSE="0"
-fi
-if [ "$VERBOSE" -le 2 ]; then
- # quiet for 0,1,2
- XSTDOUT=">/dev/null"
- XSTDERR="2>/dev/null"
- XAPTOPT="-qq"
- XUUPOPT=""
-else
- XSTDOUT=""
- XSTDERR=""
- XAPTOPT=""
- XUUPOPT="-d"
-fi
-if [ "$VERBOSE" -ge 3 ]; then
- # trace output
- set -x
-fi
+UpdateInterval=0
+DownloadUpgradeableInterval=0
+eval $(apt-config shell UpdateInterval APT::Periodic::Update-Package-Lists DownloadUpgradeableInterval APT::Periodic::Download-Upgradeable-Packages)
+AutocleanInterval=$DownloadUpgradeableInterval
+eval $(apt-config shell AutocleanInterval APT::Periodic::AutocleanInterval)
+
+UnattendedUpgradeInterval=0
+eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade)
+
+
# laptop check, on_ac_power returns:
-# 0 (true) System is on main power
-# 1 (false) System is not on main power
+# 0 (true) System is on mains power
+# 1 (false) System is not on mains power
# 255 (false) Power status could not be determined
# Desktop systems always return 255 it seems
if which on_ac_power >/dev/null; then
on_ac_power
- POWER=$?
- if [ $POWER -eq 1 ]; then
- debug_echo "exit: system on main power."
- exit 0
- elif [ $POWER -ne 0 ]; then
- debug_echo "exit: power status ($POWER) undetermined."
+ if [ $? -eq 1 ]; then
exit 0
fi
- debug_echo "system is on main power."
fi
# check if we can lock the cache and if the cache is clean
-if which apt-get >/dev/null && ! eval apt-get check $XAPTOPT $XSTDERR ; then
- debug_echo "error encountered in cron job with \"apt-get check\"."
+# There's a reasonable chance that someone is already running an apt
+# frontend that has locked the cache, so exit quietly if it is locked.
+if ! apt-get check -q -q 2>/dev/null; then
exit 0
fi
-# No need to check for apt-get below
-
-# Global current time in seconds since 1970-01-01 00:00:00 UTC
-now=$(date +%s)
-# Set default values and normalize
-Dir="/"
-eval $(apt-config shell Dir Dir)
-Dir=${Dir%/}
+# sleep random amount of time
+random_sleep
-CacheDir="var/cache/apt/"
-eval $(apt-config shell CacheDir Dir::Cache)
-CacheDir=${CacheDir%/}
-if [ -z "$CacheDir" ]; then
- debug_echo "practically empty Dir::Cache, exiting"
- exit 0
+# check again if we can access the cache
+if ! apt-get check -q -q 2>/dev/null; then
+ exit 1
fi
-CacheArchive="archives/"
-eval $(apt-config shell CacheArchive Dir::Cache::Archives)
-CacheArchive=${CacheArchive%/}
-if [ -z "$CacheArchive" ]; then
- debug_echo "practically empty Dir::Cache::archives, exiting"
- exit 0
-fi
-
-BackupArchiveInterval=0
-eval $(apt-config shell BackupArchiveInterval APT::Periodic::BackupArchiveInterval)
-
-BackupArchiveLevel=3
-eval $(apt-config shell BackupArchiveLevel APT::Periodic::BackupArchiveLevel)
-if [ $BackupArchiveLevel -le 1 ]; then BackupArchiveLevel=2 ; fi
-
-CacheBackup="backup/"
-eval $(apt-config shell CacheBackup Dir::Cache::Backup)
-CacheBackup=${CacheBackup%/}
-if [ -z "$CacheBackup" ]; then
- echo "practically empty Dir::Cache::Backup, exiting" 1>&2
- exit 0
-fi
-
-# Support old Archive for compatibility.
-# Document only Periodic for all controling parameters of this script.
-MaxAge=0
-eval $(apt-config shell MaxAge APT::Archives::MaxAge)
-eval $(apt-config shell MaxAge APT::Periodic::MaxAge)
-
-MinAge=2
-eval $(apt-config shell MinAge APT::Archives::MinAge)
-eval $(apt-config shell MinAge APT::Periodic::MinAge)
-
-MaxSize=0
-eval $(apt-config shell MaxSize APT::Archives::MaxSize)
-eval $(apt-config shell MaxSize APT::Periodic::MaxSize)
-
-UpdateInterval=0
-eval $(apt-config shell UpdateInterval APT::Periodic::Update-Package-Lists)
-
-DownloadUpgradeableInterval=0
-eval $(apt-config shell DownloadUpgradeableInterval APT::Periodic::Download-Upgradeable-Packages)
-
-UnattendedUpgradeInterval=0
-eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade)
-
-AutocleanInterval=0
-eval $(apt-config shell AutocleanInterval APT::Periodic::AutocleanInterval)
-
-Cache="${Dir}/${CacheDir}/${CacheArchive}/"
-Back="${Dir}/${CacheDir}/${CacheBackup}/"
-BackX="${Back}${CacheArchive}/"
-for x in $(seq 0 1 $((${BackupLevel}-1))); do
- eval "Back${x}=${Back}${x}/"
-done
-
-# backup after n-days if archive contents changed.
-# (This uses hardlink to save disk space)
-BACKUP_ARCHIVE_STAMP=/var/lib/apt/periodic/backup-archive-stamp
-if check_stamp $BACKUP_ARCHIVE_STAMP $BackupArchiveInterval; then
- if [ $({(cd $Cache 2>/dev/null; find . -name "*.deb"); (cd $Back0 2>/dev/null;find . -name "*.deb") ;}| sort|uniq -u|wc -l) -ne 0 ]; then
- mkdir -p $Back
- rm -rf $Back$((${BackupLevel}-1))
- for y in $(seq $((${BackupLevel}-1)) -1 1); do
- eval BackY=${Back}$y
- eval BackZ=${Back}$(($y-1))
- if [ -e $BackZ ]; then mv -f $BackZ $BackY ; fi
- done
- cp -la $Cache $Back ; mv -f $BackX $Back0
- update_stamp $BACKUP_ARCHIVE_STAMP
- debug_echo "backup with hardlinks. (success)"
- else
-
- debug_echo "skip backup since same content."
- fi
-else
- debug_echo "skip backup since too new."
-fi
-
-# package archive contnts removal by package age
-if [ $MaxAge -ne 0 ] && [ $MinAge -ne 0 ]; then
- find $Cache -name "*.deb" \( -mtime +$MaxAge -and -ctime +$MaxAge \) -and -not \( -mtime -$MinAge -or -ctime -$MinAge \) -print0 | xargs -r -0 rm -f
- debug_echo "aged: ctime <$MaxAge and mtime <$MaxAge and ctime>$MinAge and mtime>$MinAge"
-elif [ $MaxAge -ne 0 ]; then
- find $Cache -name "*.deb" -ctime +$MaxAge -and -mtime +$MaxAge -print0 | xargs -r -0 rm -f
- debug_echo "aged: ctime <$MaxAge and mtime <$MaxAge only"
-else
- debug_echo "skip aging since MaxAge is 0"
-fi
-
-# package archive contnts removal down to $MaxSize
-if [ $MaxSize -ne 0 ]; then
-
- MinAgeSec=$(($MinAge*24*60*60))
-
- # reverse-sort by mtime
- for file in $(ls -rt $Cache/*.deb 2>/dev/null); do
- du=$(du -m -s $Cache)
- size=${du%%/*}
- # check if the cache is small enough
- if [ $size -lt $MaxSize ]; then
- debug_echo "end remove by archive size: size=$size < $MaxSize"
- break
+# set the proxy based on the admin users gconf settings
+admin_user=$(getent group admin|cut -d: -f4|cut -d, -f1)
+if [ -n "$admin_user" ] && [ -x /usr/bin/sudo ] && [ -z "$http_proxy" ] && [ -x /usr/bin/gconftool ]; then
+ use=$(sudo -u "$admin_user" gconftool --get /system/http_proxy/use_http_proxy)
+ host=$(sudo -u "$admin_user" gconftool --get /system/http_proxy/host)
+ port=$(sudo -u "$admin_user" gconftool --get /system/http_proxy/port)
+ if [ "$use" = "true" ] && [ -n "$host" ] && [ -n "$port" ]; then
+ export http_proxy="http://$host:$port/"
fi
+fi
- # check for MinAge in second of the file
- if [ $MinAgeSec -ne 0 ]; then
- # check both ctime and mtime
- mtime=$(stat -c %Y $file)
- ctime=$(stat -c %Z $file)
- if [ $mtime -gt $ctime ]; then
- delta=$(($now-$mtime))
- else
- delta=$(($now-$ctime))
- fi
- if [ $delta -le $MinAgeSec ]; then
- debug_echo "skip remove by archive size: $file, delta=$delta < $MinAgeSec"
- else
- # delete oldest file
- debug_echo "remove by archive size: $file, delta=$delta >= $MinAgeSec (sec), size=$size >= $MaxSize"
- rm -f $file
- fi
- fi
+# sleep random amount of time
+random_sleep
- done
+# check again if we can access the cache
+if ! apt-get check -q -q 2>/dev/null; then
+ exit 1
fi
-# update package lists
UPDATE_STAMP=/var/lib/apt/periodic/update-stamp
if check_stamp $UPDATE_STAMP $UpdateInterval; then
- if eval apt-get $XAPTOPT -y update $XSTDERR; then
- debug_echo "download updated metadata (success)."
+ # check for a new archive signing key (against the master keyring)
+ apt-key net-update
+ # now run the update
+ if apt-get -qq update -o APT::Update::Auth-Failure::="cp /usr/share/apt/apt-auth-failure.note /var/lib/update-notifier/user.d/" 2>/dev/null; then
+ # Could possible test access to '/var/run/dbus/system_bus_socket' has well,
+ # but I'm not sure how stable the internal pipe location is defined as
+ # being; so for the moment just 2>/dev/null . --sladen 2007-09-27
if which dbus-send >/dev/null; then
- if dbus-send --system / app.apt.dbus.updated boolean:true ; then
- debug_echo "send dbus signal (success)"
- else
- debug_echo "send dbus signal (error)"
- fi
- else
- debug_echo "dbus signal not send (command not available)"
+ dbus-send --system / app.apt.dbus.updated boolean:true 2>/dev/null || true
fi
- update_stamp $UPDATE_STAMP
- # download all upgradeable packages if it is requested
- DOWNLOAD_UPGRADEABLE_STAMP=/var/lib/apt/periodic/download-upgradeable-stamp
- if check_stamp $DOWNLOAD_UPGRADEABLE_STAMP $DownloadUpgradeableInterval; then
- if eval apt-get $XAPTOPT -y -d dist-upgrade $XSTDERR; then
- update_stamp $DOWNLOAD_UPGRADEABLE_STAMP
- debug_echo "download upgradable (success)."
- # auto upgrade all upgradeable packages
- UPGRADE_STAMP=/var/lib/apt/periodic/upgrade-stamp
- if which unattended-upgrade >/dev/null && check_stamp $UPGRADE_STAMP $UnattendedUpgradeInterval; then
- if unattended-upgrade $XUUPOPT; then
- update_stamp $UPGRADE_STAMP
- debug_echo "unattended-upgrade (success)."
- else
- debug_echo "unattended-upgrade (error)."
- fi
- else
- debug_echo "unattended-upgrade (not run)."
- fi
- else
- debug_echo "download upgradable (error)."
- fi
- else
- debug_echo "download upgradable (not run)."
- fi
- else
- debug_echo "download updated metadata (error)."
+ update_stamp $UPDATE_STAMP
fi
-else
- debug_echo "download updated metadata (not run)."
fi
-# autoclean package archive
+DOWNLOAD_UPGRADEABLE_STAMP=/var/lib/apt/periodic/download-upgradeable-stamp
+if check_stamp $DOWNLOAD_UPGRADEABLE_STAMP $DownloadUpgradeableInterval; then
+ apt-get -qq -d dist-upgrade 2>/dev/null
+ update_stamp $DOWNLOAD_UPGRADEABLE_STAMP
+fi
+
+UPGRADE_STAMP=/var/lib/apt/periodic/upgrade-stamp
+if check_stamp $UPGRADE_STAMP $UnattendedUpgradeInterval; then
+ unattended-upgrade
+ update_stamp $UPGRADE_STAMP
+fi
+
AUTOCLEAN_STAMP=/var/lib/apt/periodic/autoclean-stamp
if check_stamp $AUTOCLEAN_STAMP $AutocleanInterval; then
- if apt-get $XAPTOPT -y autoclean $XSTDERR; then
- debug_echo "autoclean (success)."
- update_stamp $AUTOCLEAN_STAMP
- else
- debug_echo "autoclean (error)."
- fi
-else
- debug_echo "autoclean (not run)."
+ apt-get -qq autoclean
+ update_stamp $AUTOCLEAN_STAMP
fi
-#
-# vim: set sts=4 ai :
-#
-
+# check cache size
+check_size_constraints
projects / apt.git / blobdiff