dup: support backups to Amazon S3 buckets

[matthijs/upstream/backupninja.git] / handlers / dup.in

diff --git a/handlers/dup.in b/handlers/dup.in
index 60a4ce93d0186d79eecf671c3a952a6fcfb2528e..ffae48c1bece695bcd2462f4bcc33e4929d34783 100644 (file)
--- a/handlers/dup.in
+++ b/handlers/dup.in
@@ -1,4 +1,5 @@
 # -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
+# vim: set filetype=sh sw=3 sts=3 expandtab autoindent:
 #
 # duplicity script for backupninja
 # requires duplicity
@@ -25,6 +26,8 @@ setsection dest
 getconf incremental yes
 getconf keep 60
 getconf desturl
+getconf awsaccesskeyid
+getconf awssecretaccesskey
 getconf sshoptions
 getconf bandwidthlimit 0
 getconf desthost
@@ -37,6 +40,9 @@ destdir=${destdir%/}
 [ -n "$desturl" -o -n "$destdir" ]  || fatal "The destination directory (destdir) must be set when desturl is not used."
 [ -n "$include" -o -n "$vsinclude" ]  || fatal "No source includes specified"
 [ -n "$password" ] || fatal "The password option must be set."
+if [ "`echo $desturl | @AWK@ -F ':' '{print $1}'`" == "s3+http" ]; then
+   [ -n "$awsaccesskeyid" -a -n "$awssecretaccesskey" ]  || fatal "AWS access keys must be set for S3 backups."
+fi
 
 ### VServers
 # If vservers are configured, check that the ones listed in $vsnames do exist.
@@ -105,8 +111,8 @@ duplicity_sub="`echo $duplicity_version | @AWK@ -F '.' '{print $3}'`"
 #    --sftp-command ourselves
 
 scpoptions="$sshoptions"
-if [ "$bandwidthlimit" =! 0 ]; then
-   [ -z "$testurl" ] || warning 'The bandwidthlimit option is not used when desturl is set.'
+if [ "$bandwidthlimit" != 0 ]; then
+   [ -z "$desturl" ] || warning 'The bandwidthlimit option is not used when desturl is set.'
    scpoptions="$scpoptions -l $bandwidthlimit"
 fi
 
@@ -188,26 +194,35 @@ fi
 set -o noglob
 
 # excludes
+SAVEIFS=$IFS
+IFS=$(echo -en "\n\b")
 for i in $exclude; do
    str="${i//__star__/*}"
    execstr_source="${execstr_source} --exclude '$str'"
 done
+IFS=$SAVEIFS
 
 # includes
+SAVEIFS=$IFS
+IFS=$(echo -en "\n\b")
 for i in $include; do
    [ "$i" != "/" ] || fatal "Sorry, you cannot use 'include = /'"
    str="${i//__star__/*}"
    execstr_source="${execstr_source} --include '$str'"
 done
+IFS=$SAVEIFS
 
 # vsincludes
 if [ $usevserver = yes ]; then
    for vserver in $vsnames; do
+      SAVEIFS=$IFS
+      IFS=$(echo -en "\n\b")
       for vi in $vsinclude; do
          str="${vi//__star__/*}"
          str="$VROOTDIR/$vserver$str"
          execstr_source="${execstr_source} --include '$str'"
       done
+      IFS=$SAVEIFS
    done
 fi
 
@@ -217,6 +232,12 @@ set +o noglob
 
 execstr_source=${execstr_source//\\*/\\\\\\*}
 
+### If desturl is an S3 URL export the AWS environment variables
+if [ "`echo $desturl | @AWK@ -F ':' '{print $1}'`" == "s3+http" ]; then
+   export AWS_ACCESS_KEY_ID="$awsaccesskeyid"
+   export AWS_SECRET_ACCESS_KEY="$awssecretaccesskey"
+fi
+
 ### Cleanup commands (duplicity >= 0.4.4)
 
 # cleanup
@@ -262,18 +283,23 @@ fi
 ### Backup command
 debug "$precmd duplicity $execstr_command $execstr_options $execstr_source --exclude '**' / $execstr_serverpart"
 if [ ! $test ]; then
+   outputfile=`maketemp backupout`
    export PASSPHRASE=$password
    output=`nice -n $nicelevel \
              su -c \
-                "$precmd duplicity $execstr_command $execstr_options $execstr_source --exclude '**' / $execstr_serverpart 2>&1"`
+                "$precmd duplicity $execstr_command $execstr_options $execstr_source --exclude '**' / $execstr_serverpart >$outputfile 2>&1"`
    exit_code=$?
+   debug $output
+   cat $outputfile | (while read output ; do
+                         info $output
+                      done
+   )
    if [ $exit_code -eq 0 ]; then
-      debug $output
       info "Duplicity finished successfully."
    else
-      debug $output
       fatal "Duplicity failed."
    fi
+   rm $outputfile
 fi
 
 return 0