X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=handlers%2Frdiff.helper;h=6df4fe2581cdb24d497c6d75e446f994c0fbab3c;hb=0d606253af6ecb8ede07b0991a1f295fb70e7e65;hp=8be68ac71f5e5aed30b6908275270f9b9b9d48df;hpb=02ffef7501e137ea83563b1b16937e938d3b8c4d;p=matthijs%2Fupstream%2Fbackupninja.git diff --git a/handlers/rdiff.helper b/handlers/rdiff.helper index 8be68ac..6df4fe2 100644 --- a/handlers/rdiff.helper +++ b/handlers/rdiff.helper @@ -1,72 +1,156 @@ - +# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*- HELPERS="$HELPERS rdiff:incremental_remote_filesystem_backup" -do_rdiff_dest() { - formBegin "rdiff action wizard" - formItem "keep" "$rdiff_keep" - formItem "dest_directory" "$rdiff_directory" - formItem "dest_host" "$rdiff_host" - formItem "dest_user" "$rdiff_user" - formDisplay - [ $? = 1 ] && return; - - set -- $REPLY - rdiff_keep=$1 - rdiff_directory=$2 - rdiff_host=$3 - rdiff_user=$4 +declare -a rdiff_includes +declare -a rdiff_excludes - _dest_done="(DONE)" - setDefault conn -} +# FUNCTIONS -do_rdiff_src() { - formBegin "rdiff action wizard: includes" - formItem include /var/spool/cron/crontabs - formItem include /var/backups - formItem include /etc - formItem include /root - formItem include /home - formItem include '/usr/local/*bin' - formItem include '/var/lib/dpkg/status*' - formItem include - formItem include - formItem include - formDisplay - [ $? = 1 ] && return; - - rdiff_includes= +do_rdiff_host_includes() { set -o noglob - for i in $REPLY; do - [ "$i" != "" ] && rdiff_includes="$rdiff_includes\ninclude = $i" + # choose the files to backup + REPLY= + while [ -z "$REPLY" ] + do + formBegin "$rdiff_title - host system: includes" + for ((i=0; i < ${#rdiff_includes[@]} ; i++)) + do + formItem include ${rdiff_includes[$i]} + done + formItem include + formItem include + formItem include + formDisplay + [ $? = 0 ] || return + unset rdiff_includes + rdiff_includes="$REPLY" done - set +o noglob + set +o noglob +} - formBegin "rdiff action wizard: excludes" - formItem exclude '/home/*/.gnupg' - formItem exclude - formItem exclude - formDisplay - [ $? = 1 ] && return; +do_rdiff_vserver() { + # choose the vservers to backup (into $selected_vservers) + choose_one_or_more_vservers "$rdiff_title" + [ $? = 0 ] || return 1 - rdiff_excludes= set -o noglob - for i in $REPLY; do - [ "$i" != "" ] && rdiff_excludes="$rdiff_excludes\nexclude = $i" + # choose the files to backup + REPLY= + + while [ -z "$REPLY" ]; do + formBegin "$rdiff_title - vsincludes (backup these directories from every vserver)" + [ -z "$rdiff_vsincludes" ] && rdiff_vsincludes="$rdiff_default_includes" + + for i in $rdiff_vsincludes; do + formItem include "$i" + done + + formItem include "" + formItem include "" + formItem include "" + formDisplay + [ $? = 0 ] || return 1 + rdiff_vsincludes="$REPLY" done + set +o noglob +} + +do_rdiff_excludes() { + set -o noglob + formBegin "$rdiff_title: excludes" + for ((i=0; i < ${#rdiff_excludes[@]} ; i++)) + do + formItem exclude ${rdiff_excludes[$i]} + done + + formItem exclude + formItem exclude + formDisplay - _src_done="(DONE)" - setDefault dest + [ $? = 0 ] || return + unset rdiff_excludes + rdiff_excludes="$REPLY" + set +o noglob } -do_rdiff_con() { +do_rdiff_src() { + choose_host_or_vservers_or_both "$rdiff_title" + [ $? = 0 ] || return 1 + case $host_or_vservers in + 'host') + do_rdiff_host_includes + [ $? = 0 ] || return 1 + ;; + 'vservers') + do_rdiff_vserver + [ $? = 0 ] || return 1 + ;; + 'both') + do_rdiff_host_includes + [ $? = 0 ] || return 1 + do_rdiff_vserver + [ $? = 0 ] || return 1 + ;; + *) + return 1 + ;; + esac + do_rdiff_excludes + [ $? = 0 ] || return 1 + _src_done="(DONE)" + setDefault dest +} + +do_rdiff_dest() { + + local replyconverted + local thereply + + set -o noglob + REPLY= + while [ -z "$REPLY" -o -z "$rdiff_directory" -o -z "$rdiff_host" -o -z "$rdiff_user" ] + do + formBegin "$rdiff_title - destination: last three items are required" + formItem "keep" "$rdiff_keep" + formItem "dest_directory" "$rdiff_directory" + formItem "dest_host" "$rdiff_host" + formItem "dest_user" "$rdiff_user" + formDisplay + [ $? = 0 ] || return + + IFS=$'' + replyconverted=`echo $REPLY | tr '\n' :` + IFS=$':' + thereply=($replyconverted) + IFS=$' \t\n' + + rdiff_keep=${thereply[0]} + rdiff_directory=${thereply[1]} + rdiff_host=${thereply[2]} + rdiff_user=${thereply[3]} + + done + set +o noglob + + _dest_done="(DONE)" + setDefault conn +} + +do_rdiff_ssh_con() { + IFS=$' \t\n' if [ "$_dest_done" = "" ]; then - msgBox "rdiff action wizard: error" "You must first configure the destination" + msgBox "$rdiff_title: error" "You must first configure the destination." + return + elif [ "$rdiff_user" = "" ]; then + msgBox "$rdiff_title: error" "You must first configure the destination user." + return + elif [ "$rdiff_host" = "" ]; then + msgBox "$rdiff_title: error" "You must first configure the destination host." return else - booleanBox "rdiff action wizard" "This step will create a ssh key for the local root user with no passphrase (if one does not already exist), and attempt to copy root's public ssh key to authorized_keys file of $rdiff_user@$rdiff_host. This will allow the local root to make unattended backups to $rdiff_user@$rdiff_host. Are you sure you want to continue?" - [ $? = 1 ] && return + booleanBox "$rdiff_title" "This step will create a ssh key for the local root user with no passphrase (if one does not already exist), and attempt to copy root's public ssh key to authorized_keys file of $rdiff_user@$rdiff_host. This will allow the local root to make unattended backups to $rdiff_user@$rdiff_host.\n\n\nAre you sure you want to continue?" + [ $? = 0 ] || return fi if [ ! -f /root/.ssh/id_dsa.pub -a ! -f /root/.ssh/id_rsa.pub ]; then @@ -78,16 +162,19 @@ do_rdiff_con() { ssh -o PreferredAuthentications=publickey $rdiff_host -l $rdiff_user "exit" 2> /dev/null if [ $? -ne 0 ]; then - echo "Copying root's public ssh key to authorized_keys of $rdiff_user@$rdiff_host. Specify the password for user $rdiff_user@$rdiff_host." + echo "Copying root's public ssh key to authorized_keys of $rdiff_user@$rdiff_host. When prompted, specify the password for user $rdiff_user@$rdiff_host." ssh-copy-id -i /root/.ssh/id_[rd]sa.pub $rdiff_user@$rdiff_host if [ $? -ne 0 ]; then - echo "Couldn't copy root's public ssh key to authorized_keys of $rdiff_user@$rdiff_host. This time, testing whether directory is writable." + echo "FAILED: Couldn't copy root's public ssh key to authorized_keys of $rdiff_user@$rdiff_host." ssh $rdiff_user@$rdiff_host 'test -w .ssh || test -w .' - case $? in - 0 ) msgBox "rdiff action wizard: error" "Directories are writable: Probably just a typo the first time." ;; - 1 ) msgBox "rdiff action wizard: error" "Connected successfully to $rdiff_user@$rdiff_host, but unable to write. Check ownership and modes of ~$rdiff_user on $rdiff_host." ;; - 255 ) msgBox "rdiff action wizard: error" "Failed to connect to $rdiff_user@$rdiff_host. Check hostname, username, and password." ;; - * ) msgBox "rdiff action wizard: error" "Unexpected error." ;; + result=$? + echo "Hit return to continue." + read + case $result in + 0 ) msgBox "$rdiff_title: error" "Directories are writable: Probably just a typo the first time." ;; + 1 ) msgBox "$rdiff_title: error" "Connected successfully to $rdiff_user@$rdiff_host, but unable to write. Check ownership and modes of ~$rdiff_user on $rdiff_host." ;; + 255 ) msgBox "$rdiff_title: error" "Failed to connect to $rdiff_user@$rdiff_host. Check hostname, username, and password. Also, make sure sshd is running on the destination host." ;; + * ) msgBox "$rdiff_title: error" "Unexpected error." ;; esac return else @@ -95,9 +182,117 @@ do_rdiff_con() { read fi else - echo "root@localhost is already in authorized_keys of $rdiff_user@$rdiff_host. hit return to continue" + echo "root@localhost is already in authorized_keys of $rdiff_user@$rdiff_host." + echo "Hit return to continue." read fi + # test to see if the remote rdiff backup directory exists and is writable + echo "Testing to see if remote rdiff backup directory exists and is writable" + ssh $rdiff_user@$rdiff_host "test -d ${rdiff_directory}" + if [ $? -eq 0 ] + then + ssh $rdiff_user@$rdiff_host "test -w $rdiff_directory" + if [ $? -ne 0 ] + then + msgBox "destination directory is not writable!" "The remote destination directory is not writable by the user you specified. Please fix the permissions on the directory and then try again." + remote_status=1 + else + remote_status=0 + fi + else + booleanBox "Remote directory does not exist" "The destination backup directory does not exist, do you want me to create it for you?" + if [ $? = 0 ] + then + ssh $rdiff_user@$rdiff_host "mkdir -p ${rdiff_directory}" + result=$? + echo "Hit return to continue." + read + case $result in + 0) + msgBox "$rdiff_title: success" "Creation of the remote destination directory was a success!" + remote_status=0 + ;; + 1) + msgBox "$rdiff_title: error" "Connected successfully to $rdiff_user@$rdiff_host, but was unable to create the destination directory, check the directory permissions." + remote_status=1 + ;; + 255) + msgBox "$rdiff_title: error" "Failed to connect to $rdiff_user@$rdiff_host. Check hostname, username, and password. Also, make sure sshd is running on the destination host." + remote_status=1 + ;; + *) + msgBox "$rdiff_title: error" "Unexpected error." + remote_status=1 + ;; + esac + return + fi + fi + + if [ $remote_status -ne 1 ] + then + do_rdiff_con + fi +} + +do_rdiff_con() { + echo "Testing to make sure destination has rdiff-backup installed and is compatible." + remote_result=`/usr/bin/rdiff-backup --test-server $rdiff_user@$rdiff_host::/ 2>&1 >&-` + if [ $? -ne 0 ] + then + echo $remote_result | grep -q "command not found" + if [ $? -eq 0 ] + then + if [ "$rdiff_user" = "root" ] + then + booleanBox "install rdiff-backup?" "It seems like the remote machine does not have rdiff-backup installed, I can attempt to install rdiff-backup on the remote machine.\n\n\nDo you want me to attempt this now?" + if [ $? = 0 ] + then + ssh $rdiff_user@$rdiff_host 'apt-get install rdiff-backup' + result=$? + echo "Hit return to continue." + read + case $result in + 0) + msgBox "$rdiff_title: success" "Installation of rdiff-backup was a success!" + do_rdiff_con + ;; + 1) + msgBox "$rdiff_title: error" "Connected successfully to $rdiff_user@$rdiff_host, but was unable to install the package for some reason." + ;; + 255) + msgBox "$rdiff_title: error" "Failed to connect to $rdiff_user@$rdiff_host. Check hostname, username, and password. Also, make sure sshd is running on the destination host." + ;; + *) + msgBox "$rdiff_title: error" "Unexpected error." + ;; + esac + return + fi + else + booleanBox "install rdiff-backup" "Please install rdiff-backup on the remote machine, this cannot be done automatically, as the remote user in your configuration is not root. \n\nIf you have installed rdiff-backup on the remote machine and you are getting this error, then there is a version incompatibility between that version and the local version.\n\nPlease resolve this problem and then try connecting again.\n\n\n\nTry connecting again?" + if [ $? = 0 ] + then + do_rdiff_con + else + return + fi + fi + else + msgBox "incompatible versions of rdiff-backup" "It looks like rdiff-backup is installed on the remote machine, but it may be an incompatible version with the one installed locally, or something else is amiss.\n\nPlease resolve this problem and then try connecting again.\n\n\nTry connecting again?" + if [ $? = 0 ] + then + do_rdiff_con + else + return + fi + fi + else + echo "SUCCESS: Everything looks good!" + echo "Hit return to continue." + read + fi + _con_done="(DONE)" setDefault finish } @@ -112,9 +307,60 @@ do_rdiff_finish() { type = local keep = $rdiff_keep EOF - echo -n -e "$rdiff_includes" >> $next_filename - echo -e "$rdiff_excludes" >> $next_filename - cat >> $next_filename <> $next_filename + done + + set +o noglob + fi + + if [ "$host_or_vservers" == vservers -o "$host_or_vservers" == both ] + then + cat >> $next_filename < ... (default = all) +# vsinclude = +# vsinclude = +# ... +# Any path specified in vsinclude is added to the include list for each vserver +# listed in vsnames (or all if vsnames = all). +# +# For example, vsinclude = /home will backup the /home partition in every +# vserver listed in vsnames. If you have vsnames = "foo bar baz", this +# vsinclude will add to the include list /vservers/foo/home, +# /vservers/bar/home and /vservers/baz/home. +# Vserver paths are derived from $VROOTDIR. + +EOF + + set -o noglob + echo -e "vsnames = \"$selected_vservers\"\n" >> $next_filename + for i in $rdiff_vsincludes; do + echo "vsinclude = $i" >> $next_filename + done + set +o noglob + fi + + # excludes + + for ((i=0; i < ${#rdiff_excludes[@]} ; i++)) + do + echo exclude = ${rdiff_excludes[$i]} >> $next_filename + done + set +o noglob + cat >> $next_filename <