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|
HELPERS="$HELPERS rdiff:incremental_remote_filesystem_backup"
declare -a rdiff_includes
declare -a rdiff_excludes
do_rdiff_dest() {
set -o noglob
formBegin "rdiff action wizard"
formItem "keep" "$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]}
_dest_done="(DONE)"
setDefault conn
set +o noglob
}
do_rdiff_src() {
#echo ${rdiff_includes[@]}
set -o noglob
formBegin "rdiff action wizard: 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)
formBegin "rdiff action wizard: excludes"
for ((i=0; i < ${#rdiff_excludes[@]} ; i++)); do
formItem exclude ${rdiff_excludes[$i]}
done
formItem exclude
formItem exclude
formDisplay
[ $? = 0 ] || return
unset rdiff_excludes
rdiff_excludes=($REPLY)
_src_done="(DONE)"
setDefault dest
set +o noglob
}
do_rdiff_ssh_con() {
IFS=$' \t\n'
if [ "$_dest_done" = "" ]; then
msgBox "rdiff action wizard: error" "You must first configure the destination."
return
elif [ "$rdiff_user" = "" ]; then
msgBox "rdiff action wizard: error" "You must first configure the destination user."
return
elif [ "$rdiff_host" = "" ]; then
msgBox "rdiff action wizard: 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.\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
echo "Creating local root's ssh key"
ssh-keygen -t dsa -f /root/.ssh/id_dsa -N ""
echo "Done. hit return to continue"
read
fi
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. 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 "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 .'
result=$?
echo "Hit return to continue."
read
case $result 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. Also, make sure sshd is running on the destination host." ;;
* ) msgBox "rdiff action wizard: error" "Unexpected error." ;;
esac
return
else
echo "Done. hit return to continue"
read
fi
else
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 action wizard: success" "Creation of the remote destination directory was a success!"
remote_status=0
;;
1)
msgBox "rdiff action wizard: 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 action wizard: 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 action wizard: 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 action wizard: success" "Installation of rdiff-backup was a success!"
do_rdiff_con
;;
1)
msgBox "rdiff action wizard: error" "Connected successfully to $rdiff_user@$rdiff_host, but was unable to install the package for some reason."
;;
255)
msgBox "rdiff action wizard: 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 action wizard: 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
}
do_rdiff_finish() {
get_next_filename $configdirectory/90.rdiff
cat > $next_filename <<EOF
# options = --force
# when = everyday at 02
[source]
type = local
keep = $rdiff_keep
EOF
set -o noglob
for ((i=0; i < ${#rdiff_includes[@]} ; i++)); do
echo "include = ${rdiff_includes[$i]}" >> $next_filename
done
for ((i=0; i < ${#rdiff_excludes[@]} ; i++)); do
echo exclude = ${rdiff_excludes[$i]} >> $next_filename
done
set +o noglob
cat >> $next_filename <<EOF
[dest]
type = remote
directory = $rdiff_directory
host = $rdiff_host
user = $rdiff_user
EOF
chmod 600 $next_filename
}
rdiff_main_menu() {
while true; do
srcitem="choose files to include & exclude $_src_done"
destitem="configure backup destination $_dest_done"
conitem="set up ssh keys and test remote connection $_con_done"
advitem="edit advanced settings $_adv_done"
menuBox "rdiff action wizard" "choose a step:" \
src "$srcitem" \
dest "$destitem" \
conn "$conitem" \
finish "finish and create config file"
[ $? = 0 ] || return
result="$REPLY"
case "$result" in
"src") do_rdiff_src;;
"dest") do_rdiff_dest;;
"conn") do_rdiff_ssh_con;;
"adv") do_rdiff_adv;;
"finish")
if [[ "$_con_done$_dest_done$_src_done" != "(DONE)(DONE)(DONE)" ]]; then
msgBox "rdiff action wizard" "You cannot create the configuration file until the other steps are completed."
else
do_rdiff_finish
return
fi
;;
esac
done
}
rdiff_wizard() {
require_packages rdiff-backup
_src_done=
_dest_done=
_con_done=
_adv_done=
rdiff_keep=60D
rdiff_directory=/backup/`hostname`
rdiff_user=
rdiff_host=
set -o noglob
rdiff_includes=(/var/spool/cron/crontabs /var/backups /etc /root /home /usr/local/*bin /var/lib/dpkg/status*)
rdiff_excludes=(/home/*/.gnupg)
set +o noglob
rdiff_main_menu
}
|
