X-Git-Url: https://git.treefish.org/~alex/backmeupscotty.git/blobdiff_plain/4e6a9bb8cabd617d7368f55fa75a08bd99ca789c..5c8e1209ef263877c5d6fa0e00386c48c0b241ea:/backmeupscotty?ds=inline diff --git a/backmeupscotty b/backmeupscotty index 35ec754..be1ce20 100644 --- a/backmeupscotty +++ b/backmeupscotty @@ -18,12 +18,24 @@ function scottyerror { echo $(upperme): $@ >&2 } +function ssh255 { + ssh $@ + sshret=$? + + if [ $sshret -eq 255 ]; then + scottyerror "SSH connection failed!" + exit 1 + else + return $sshret + fi +} + function grepbackups { - ssh $REMOTE_HOST "ls $REMOTE_DIR" | grep -E '[0-9]+-[0-9]+' + ssh255 $REMOTE_HOST "ls $REMOTE_DIR" | grep -E '[0-9]+-[0-9]+' } function isIncomplete { - if ( ssh $REMOTE_HOST '[ -d '$REMOTE_DIR/incomplete' ]' ); then + if ( ssh255 $REMOTE_HOST '[ -d '$REMOTE_DIR/incomplete' ]' ); then return 0 else return 1 @@ -44,7 +56,7 @@ function latestTooOld { tstamp=$(echo $oldbackup | cut -d'-' -f1) if [ $(( $(date +%s) - $tstamp )) -lt \ - $(( $BACKUP_RUNEVERYNTHDAY*24*60*60 )) ] + $(( ($BACKUP_RUNEVERYNTHDAY*24+12)*60*60 )) ] then return 1 fi @@ -56,15 +68,15 @@ function latestTooOld { function scottysync { timestamp=$(date +%s) - scottyinfo Syncing $SYNC_SRC to $REMOTE_HOST:$REMOTE_DIR @$timestamp + scottyinfo "Syncing $SYNC_SRC to $REMOTE_HOST:$REMOTE_DIR @$timestamp." if [ ! -d "$SYNC_SRC" ]; then - scottyerror Source dir $SYNC_SRC does not exist. Not syncing! + scottyerror "Source dir $SYNC_SRC does not exist. Not syncing!" return 1 fi if [ $(ls -A "$SYNC_SRC" | wc -l) -eq 0 ]; then - scottyerror Source dir $SYNC_SRC is empty. Not syncing! + scottyerror "Source dir $SYNC_SRC is empty. Not syncing!" return 1 fi @@ -78,16 +90,16 @@ function scottysync { rsync_exclude=$(eval echo --exclude={$SYNC_EXC} | tr -d {}) fi - if (ssh $REMOTE_HOST '[ ! -d '$REMOTE_DIR' ]'); then - scottyinfo Creating destination directory $REMOTE_HOST:$REMOTE_DIR - ssh $REMOTE_HOST "mkdir $REMOTE_DIR" + if (ssh255 $REMOTE_HOST '[ ! -d '$REMOTE_DIR' ]'); then + scottyinfo "Creating destination directory $REMOTE_HOST:$REMOTE_DIR." + ssh255 $REMOTE_HOST "mkdir $REMOTE_DIR" fi if isIncomplete; then - scottyerror Continuing old incomplete backup + scottyerror "Continuing old incomplete backup." fi - scottyinfo Starting rsync + scottyinfo "Starting rsync." rsync -e ssh \ -v -aHAX --numeric-ids --delete --delete-excluded \ --link-dest=$dir_current \ @@ -95,8 +107,8 @@ function scottysync { $SYNC_SRC/ $REMOTE_HOST:$dir_incomplete/ if [ $? -eq 0 ]; then - scottyinfo Timestamping completed backup and linking to current backup - ssh $REMOTE_HOST \ + scottyinfo "Timestamping completed backup and linking to current backup." + ssh255 $REMOTE_HOST \ "mv $dir_incomplete $dir_timestamped && rm -f $dir_current && ln -s $(basename $dir_timestamped) $dir_current" fi @@ -105,8 +117,8 @@ function scottysync { oldestbackuptstamp=$(echo $oldestbackup | cut -d'-' -f1) if [ $oldestbackuptstamp -lt $(( $(date +%s) - $ARCHIVE_KEEPNDAYS*60*60*24 )) ]; then - scottyinfo Removing old backup $oldestbackup - ssh $REMOTE_HOST rm -r "$REMOTE_DIR/$oldestbackup" + scottyinfo "Removing old backup $oldestbackup." + ssh255 $REMOTE_HOST rm -r "$REMOTE_DIR/$oldestbackup" else break fi @@ -120,16 +132,16 @@ function deleteLock { } function prepare { - scottyinfo "Preparing for sync" + scottyinfo "Preparing for sync." } function cleanup_abort { - scottyerror "Caught exit signal! Cleaning up..." + scottyerror "Caught exit signal! Cleaning up." cleanup ABORT if [ $(jobs -p) ]; then - scottyerror TERMinating remaining child processes... + scottyerror "TERMinating remaining child processes." kill $(jobs -p) fi @@ -177,11 +189,13 @@ function backmeupscotty { ;; esac done + + ssh255 $REMOTE_HOST exit - if isNthDay; then - scottyinfo "This is the nth day." - elif latestTooOld; then + if latestTooOld; then scottyerror "The latest backup is too old." + elif isNthDay; then + scottyinfo "This is the nth day." else scottyinfo "No backup has to be done. Exiting." exit 0