Newer
Older
HELPERS="$HELPERS rdiff:incremental_remote_filesystem_backup"
declare -a rdiff_includes
declare -a rdiff_excludes
do_rdiff_host_includes() {
set -o noglob
# choose the files to backup
REPLY=
while [ -z "$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
}
do_rdiff_vserver() {
# choose the vservers to backup (into $selected_vservers)
choose_one_or_more_vservers "$rdiff_title"
[ $? = 0 ] || return 1
set -o noglob
# choose the files to backup
REPLY=
while [ -z "$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
done
formItem exclude
formItem exclude
formDisplay
[ $? = 0 ] || return
unset rdiff_excludes
rdiff_excludes="$REPLY"
set +o noglob
}
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
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
_dest_done="(DONE)"
setDefault conn
}
if [ "$_dest_done" = "" ]; then
msgBox "$rdiff_title: error" "You must first configure the destination."
msgBox "$rdiff_title: error" "You must first configure the destination user."
msgBox "$rdiff_title: error" "You must first configure the destination host."
return
else
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?"
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_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." ;;
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_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."
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
;;
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
keep = $rdiff_keep
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
if [ "$host_or_vservers" == host -o "$host_or_vservers" == both ]
then
set -o noglob
for ((i=0; i < ${#rdiff_includes[@]} ; i++))
do
echo "include = ${rdiff_includes[$i]}" >> $next_filename
done
set +o noglob
fi
if [ "$host_or_vservers" == vservers -o "$host_or_vservers" == both ]
then
cat >> $next_filename <<EOF
#
# If vservers = yes in /etc/backupninja.conf then the following variables can
# be used:
# vsnames = all | <vserver1> <vserver2> ... (default = all)
# vsinclude = <path>
# vsinclude = <path>
# ...
# 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 <<EOF
######################################################
## destination section
## (where the files are copied to)
directory = $rdiff_directory
host = $rdiff_host
user = $rdiff_user
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_title" "choose a step:" \
src "$srcitem" \
dest "$destitem" \
conn "$conitem" \
finish "finish and create config file"
result="$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_title" "You cannot create the configuration file until the other steps are completed."
else
do_rdiff_finish
return
fi
;;
esac
done
}
rdiff_wizard() {
# Global variables
rdiff_title="rdiff-backup action wizard"
_src_done=
_dest_done=
_con_done=
_adv_done=
rdiff_keep=60D
rdiff_directory=/backup/`hostname`
rdiff_user=
rdiff_host=
# Global variables whose '*' shall not be expanded
rdiff_includes=(/var/spool/cron/crontabs /var/backups /etc /root /home /usr/local/*bin /var/lib/dpkg/status*)
rdiff_excludes=(/home/*/.gnupg)
rdiff_main_menu
}