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-rw-r--r--backup.in1
-rw-r--r--lib/beam/common.in17
-rw-r--r--lib/beam/s3.sh12
3 files changed, 26 insertions, 4 deletions
diff --git a/backup.in b/backup.in
index 615fa12..ca479b1 100644
--- a/backup.in
+++ b/backup.in
@@ -122,6 +122,7 @@ backup() {
}
umask ${backup_umask:-077}
+prologue_hook="beam_lock $prologue_hook"
if [ -n "$backup_logfile" ]; then
runhook openlog_hook
diff --git a/lib/beam/common.in b/lib/beam/common.in
index 1be075e..7e69640 100644
--- a/lib/beam/common.in
+++ b/lib/beam/common.in
@@ -30,6 +30,7 @@ backup_archive_dir=
backup_snapshot_dir=
backup_verbose=
backup_logfile="/var/log/backup"
+backup_pidfile="/var/run/beam.pid"
backup_tmp_dir=/tmp
error() {
@@ -47,6 +48,22 @@ abend() {
exit $ec
}
+beam_lock() {
+ if [ -r $backup_pidfile ]; then
+ pid=$(head -n 1 $backup_pidfile)
+ if [ -z "$pid" ]; then
+ abend "pidfile $backup_pidfile exists but is unreadable or empty"
+ fi
+ abend "another beam process (pid $backup_pid) is still running; exiting"
+ fi
+ echo $$ > $backup_pidfile || exit 1
+ epilogue_hook="$epilogue_hook beam_unlock"
+}
+
+beam_unlock() {
+ rm -f $backup_pidfile
+}
+
tarcode() {
case $1 in
0) logit "success";;
diff --git a/lib/beam/s3.sh b/lib/beam/s3.sh
index de71456..d2fcfe6 100644
--- a/lib/beam/s3.sh
+++ b/lib/beam/s3.sh
@@ -26,9 +26,16 @@ test -z "$backup_mp" && backup_mp_s3=/mnt/s3
s3_getmpoint()
{
case $1 in
+# Sample mount output, split into several lines:
+# a) With --vhost:
+# http://BUCKETNAME.s3.amazonaws.com/ on /mnt/s3backer type fuse.s3backer
+# (rw,nosuid,nodev,allow_other,default_permissions)
+# b) Without --vhost:
+# http://s3.amazonaws.com/BUCKETNAME/ on /mnt/s3backer type fuse.s3backer
+# (rw,nosuid,nodev,allow_other,default_permissions)
backer)
mount -tfuse.s3backer |
- awk '/https?:\/\/'$backup_bucket_name'/ { print $3 }';;
+ awk '/https?:\/\/.*'$backup_bucket_name'/ { print $3 }';;
s3)
s=$(mount | grep "^${backup_mp_s3backer}/file" | awk '{ print $3 }')
if [ -z "$s" ]; then
@@ -50,9 +57,6 @@ s3_mount() {
test -d $backup_mp_s3backer || mkdir $backup_mp_s3backer
test -d $backup_mp_s3 || mkdir $backup_mp_s3
-# Sample mount output, split into several lines:
-# http://finox-backup-fs.s3.amazonaws.com/ on /mnt/s3backer type fuse.s3backer
-# (rw,nosuid,nodev,allow_other,default_permissions)
set -- $(s3_getmpoint backer)
if test -z "$1"; then
$dry_run s3backer $backup_s3backer_options \

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