diff options
Diffstat (limited to 'debian/apt.cron.daily')
| -rw-r--r-- | debian/apt.cron.daily | 540 |
1 files changed, 0 insertions, 540 deletions
diff --git a/debian/apt.cron.daily b/debian/apt.cron.daily deleted file mode 100644 index 7e976a087..000000000 --- a/debian/apt.cron.daily +++ /dev/null @@ -1,540 +0,0 @@ -#!/bin/sh -#set -e -# -# This file understands the following apt configuration variables: -# Values here are the default. -# Create /etc/apt/apt.conf.d/10periodic file to set your preference. -# -# Dir "/"; -# - RootDir for all configuration files -# -# Dir::Cache "var/cache/apt/"; -# - Set apt package cache directory -# -# Dir::Cache::Archives "archives/"; -# - Set package archive directory -# -# APT::Periodic::Enable "1"; -# - Enable the update/upgrade script (0=disable) -# -# 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). Useful 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 oldest packages will be deleted -# first). -# -# APT::Periodic::Update-Package-Lists "0"; -# - Do "apt-get update" automatically every n-days (0=disable) -# -# APT::Periodic::Download-Upgradeable-Packages "0"; -# - Do "apt-get upgrade --download-only" every n-days (0=disable) -# -# APT::Periodic::Download-Upgradeable-Packages-Debdelta "1"; -# - Use debdelta-upgrade to download updates if available (0=disable) -# -# APT::Periodic::Unattended-Upgrade "0"; -# - 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::Periodic::CleanInterval "0"; -# - Do "apt-get clean" every n-days (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::Periodic::RandomSleep "1800"; -# - The apt cron job will delay its execution by a random -# time span between zero and 'APT::Periodic::RandomSleep' -# seconds. -# This is done because otherwise everyone would access the -# mirror servers at the same time and put them collectively -# under very high strain. -# You can set this to '0' if you are using a local mirror and -# do not care about the load spikes. -# Note that sleeping in the apt job will be delaying the -# execution of all subsequent cron.daily jobs. -# - -check_stamp() -{ - stamp="$1" - 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 - debug_echo "check_stamp: missing time stamp file: $stamp." - # treat as enough time has passed - return 0 - fi - - # compare midnight today to midnight the day the stamp was updated - stamp_file="$stamp" - stamp=$(date --date=$(date -r $stamp_file --iso-8601) +%s 2>/dev/null) - if [ "$?" != "0" ]; then - # Due to some timezones returning 'invalid date' for midnight on - # certain dates (e.g. America/Sao_Paulo), if date returns with error - # remove the stamp file and return 0. See coreutils bug: - # http://lists.gnu.org/archive/html/bug-coreutils/2007-09/msg00176.html - rm -f "$stamp_file" - return 0 - fi - - now=$(date --date=$(date --iso-8601) +%s 2>/dev/null) - if [ "$?" != "0" ]; then - # As above, due to some timezones returning 'invalid date' for midnight - # on certain dates (e.g. America/Sao_Paulo), if date returns with error - # return 0. - return 0 - fi - - delta=$(($now-$stamp)) - - # interval is in days, convert to sec. - interval=$(($interval*60*60*24)) - debug_echo "check_stamp: interval=$interval, now=$now, stamp=$stamp, delta=$delta (sec)" - - # remove timestamps a day (or more) in the future and force re-check - if [ $stamp -gt $(($now+86400)) ]; then - echo "WARNING: file $stamp_file has a timestamp in the future: $stamp" - rm -f "$stamp_file" - return 0 - fi - - if [ $delta -ge $interval ]; then - return 0 - fi - - return 1 -} - -update_stamp() -{ - stamp="$1" - touch $stamp -} - -# we check here if autoclean was enough sizewise -check_size_constraints() -{ - 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) - - Cache="/var/cache/apt/archives/" - eval $(apt-config shell Cache Dir::Cache::archives/d) - - # sanity check - if [ -z "$Cache" ]; then - echo "empty Dir::Cache::archives, exiting" - exit - fi - - # check age - if [ ! $MaxAge -eq 0 ] && [ ! $MinAge -eq 0 ]; then - debug_echo "aged: ctime <$MaxAge and mtime <$MaxAge and ctime>$MinAge and mtime>$MinAge" - find $Cache -name "*.deb" \( -mtime +$MaxAge -and -ctime +$MaxAge \) -and -not \( -mtime -$MinAge -or -ctime -$MinAge \) -print0 | xargs -r -0 rm -f - elif [ ! $MaxAge -eq 0 ]; then - debug_echo "aged: ctime <$MaxAge and mtime <$MaxAge only" - find $Cache -name "*.deb" -ctime +$MaxAge -and -mtime +$MaxAge -print0 | xargs -r -0 rm -f - else - debug_echo "skip aging since MaxAge is 0" - 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 $MaxSize ]; then - debug_echo "end remove by archive size: size=$size < $MaxSize" - break - fi - - # check for MinAge of the file - if [ $MinAge -ne 0 ]; then - # check both ctime and mtime - mtime=$(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 $MinAge ]; then - debug_echo "skip remove by archive size: $file, delta=$delta < $MinAge" - break - else - # delete oldest file - debug_echo "remove by archive size: $file, delta=$delta >= $MinAge (sec), size=$size >= $MaxSize" - rm -f $file - fi - fi - done - fi -} - -# deal with the Apt::Periodic::BackupArchiveInterval -do_cache_backup() -{ - BackupArchiveInterval="$1" - if [ $BackupArchiveInterval -eq 0 ]; then - return - fi - - # Set default values and normalize - CacheDir="/var/cache/apt" - eval $(apt-config shell CacheDir Dir::Cache/d) - CacheDir=${CacheDir%/} - if [ -z "$CacheDir" ]; then - debug_echo "practically empty Dir::Cache, exiting" - return 0 - fi - - Cache="${CacheDir}/archives/" - eval $(apt-config shell Cache Dir::Cache::Archives/d) - if [ -z "$Cache" ]; then - debug_echo "practically empty Dir::Cache::archives, exiting" - return 0 - fi - - BackupLevel=3 - eval $(apt-config shell BackupLevel APT::Periodic::BackupLevel) - if [ $BackupLevel -le 1 ]; then - BackupLevel=2 ; - fi - - Back="${CacheDir}/backup/" - eval $(apt-config shell Back Dir::Cache::Backup/d) - if [ -z "$Back" ]; then - echo "practically empty Dir::Cache::Backup, exiting" 1>&2 - return - fi - - CacheArchive="$(basename "${Cache}")" - test -n "${CacheArchive}" || CacheArchive="archives" - BackX="${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 -} - -# sleep for a random interval of time (default 30min) -# (some code taken from cron-apt, thanks) -random_sleep() -{ - 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=$(( $(dd if=/dev/urandom bs=2 count=1 2> /dev/null | cksum | cut -d' ' -f1) % 32767 )) - fi - TIME=$(($RANDOM % $RandomSleep)) - debug_echo "sleeping for $TIME seconds" - sleep $TIME -} - - -debug_echo() -{ - # Display message if $VERBOSE >= 1 - if [ "$VERBOSE" -ge 1 ]; then - echo $1 1>&2 - fi -} - -check_power(){ - # laptop check, on_ac_power returns: - # 0 (true) System is on main power - # 1 (false) System is not on main power - # 255 (false) Power status could not be determined - # Desktop systems always return 255 it seems - if which on_ac_power >/dev/null 2>&1; then - on_ac_power - POWER=$? - if [ $POWER -eq 1 ]; then - debug_echo "exit: system NOT on main power" - return 1 - elif [ $POWER -ne 0 ]; then - debug_echo "power status ($POWER) undetermined, continuing" - fi - debug_echo "system is on main power." - fi - return 0 -} - -# ------------------------ main ---------------------------- - -if test -r /var/lib/apt/extended_states; then - # Backup the 7 last versions of APT's extended_states file - # shameless copy from dpkg cron - if cd /var/backups ; then - if ! cmp -s apt.extended_states.0 /var/lib/apt/extended_states; then - cp -p /var/lib/apt/extended_states apt.extended_states - savelog -c 7 apt.extended_states >/dev/null - fi - fi -fi - -# check apt-config existence -if ! which apt-config >/dev/null 2>&1; then - exit 0 -fi - -# check if the user really wants to do something -AutoAptEnable=1 # default is yes -eval $(apt-config shell AutoAptEnable APT::Periodic::Enable) - -if [ $AutoAptEnable -eq 0 ]; then - exit 0 -fi - -# Set VERBOSE mode from apt-config (or inherit from environment) -VERBOSE=0 -eval $(apt-config shell VERBOSE APT::Periodic::Verbose) -debug_echo "verbose level $VERBOSE" -if [ "$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 - -check_power || exit 0 - -# check if we can lock the cache and if the cache is clean -if which apt-get >/dev/null 2>&1 && ! eval apt-get check $XAPTOPT $XSTDERR ; then - debug_echo "error encountered in cron job with \"apt-get check\"." - exit 0 -fi - -# Global current time in seconds since 1970-01-01 00:00:00 UTC -now=$(date +%s) - -# Support old Archive for compatibility. -# Document only Periodic for all controlling parameters of this script. - -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) - -CleanInterval=0 -eval $(apt-config shell CleanInterval APT::Periodic::CleanInterval) - -BackupArchiveInterval=0 -eval $(apt-config shell BackupArchiveInterval APT::Periodic::BackupArchiveInterval) - -Debdelta=1 -eval $(apt-config shell Debdelta APT::Periodic::Download-Upgradeable-Packages-Debdelta) - -# check if we actually have to do anything that requires locking the cache -if [ $UpdateInterval -eq 0 ] && - [ $DownloadUpgradeableInterval -eq 0 ] && - [ $UnattendedUpgradeInterval -eq 0 ] && - [ $BackupArchiveInterval -eq 0 ] && - [ $AutocleanInterval -eq 0 ] && - [ $CleanInterval -eq 0 ]; then - - # check cache size - check_size_constraints - - exit 0 -fi - -# deal with BackupArchiveInterval -do_cache_backup $BackupArchiveInterval - -# sleep random amount of time to avoid hitting the -# mirrors at the same time -random_sleep -check_power || exit 0 - -# include default system language so that "apt-get update" will -# fetch the right translated package descriptions -if [ -r /etc/default/locale ]; then - . /etc/default/locale - export LANG LANGUAGE LC_MESSAGES LC_ALL -fi - -# update package lists -UPDATED=0 -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)." - if which dbus-send >/dev/null 2>&1 && pidof dbus-daemon >/dev/null 2>&1; 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)" - fi - update_stamp $UPDATE_STAMP - UPDATED=1 - else - debug_echo "download updated metadata (error)" - fi -else - debug_echo "download updated metadata (not run)." -fi - -# download all upgradeable packages (if it is requested) -DOWNLOAD_UPGRADEABLE_STAMP=/var/lib/apt/periodic/download-upgradeable-stamp -if [ $UPDATED -eq 1 ] && check_stamp $DOWNLOAD_UPGRADEABLE_STAMP $DownloadUpgradeableInterval; then - if [ $Debdelta -eq 1 ]; then - debdelta-upgrade >/dev/null 2>&1 || true - fi - if eval apt-get $XAPTOPT -y -d dist-upgrade $XSTDERR; then - update_stamp $DOWNLOAD_UPGRADEABLE_STAMP - debug_echo "download upgradable (success)" - else - debug_echo "download upgradable (error)" - fi -else - debug_echo "download upgradable (not run)" -fi - -# auto upgrade all upgradeable packages -UPGRADE_STAMP=/var/lib/apt/periodic/upgrade-stamp -if which unattended-upgrade >/dev/null 2>&1 && 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 - -# clean package archive -CLEAN_STAMP=/var/lib/apt/periodic/clean-stamp -if check_stamp $CLEAN_STAMP $CleanInterval; then - if eval apt-get $XAPTOPT -y clean $XSTDERR; then - debug_echo "clean (success)." - update_stamp $CLEAN_STAMP - else - debug_echo "clean (error)" - fi -else - debug_echo "clean (not run)" -fi - -# autoclean package archive -AUTOCLEAN_STAMP=/var/lib/apt/periodic/autoclean-stamp -if check_stamp $AUTOCLEAN_STAMP $AutocleanInterval; then - if eval 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)" -fi - -# check cache size -check_size_constraints - -# -# vim: set sts=4 ai : -# - |