1 files changed, 73 insertions, 0 deletions
diff --git a/backends/tar.sh b/backends/tar.sh
new file mode 100644
index 0000000..6748ac9
--- /dev/null
+++ b/backends/tar.sh
@@ -0,0 +1,73 @@
+function tar_init() {
+    # nothing to do for tar?
+    :
+}
+
+# TODO: Make default .tar with optional bup
+function tar_create_backup() {
+    log_debug "tar: backing up..."
+
+	local status
+
+    # save world to a temporary archive
+    local archname="/tmp/${BACKUP_NAME}_`date +%F_%H-%M-%S`.tar.gz"
+    tar -czf "$archname" "./$WORLD_NAME"
+	status=$?
+    if [ $status -ne 0 ]; then
+        log_error "tar: failed to save the world"
+        rm "$archname" #remove (probably faulty) archive
+        return 1
+    fi
+    log_debug "tar: world saved to $archname, pushing it to backup directories..."
+
+	# 0 if could save to at least one backup dir
+	# TODO: make more strict?
+    local retcode=1
+    for backup_dir in ${BACKUP_DIRS[*]}
+    do
+        log_info "tar: backing up to \"$backup_dir\""
+        # scp acts as cp for local destination directories
+        scp "$archname" "$backup_dir/"
+		status=$?
+        if [ $status -ne 0 ]; then
+            log_error "tar: failed pushing to \"$backup_dir\", moving on"
+        else
+            retcode=0
+        fi
+     done
+
+    rm "$archname"
+
+    log_debug "tar: backup finished"
+
+    return $retcode
+}
+
+# server_restore relies on output format of this function
+function tar_ls() {
+    local backup_dir="$1"
+
+    if [[ "$backup_dir" == *:* ]]; then
+        local remote="$(echo "$backup_dir" | cut -d: -f1)"
+        local remote_dir="$(echo "$backup_dir" | cut -d: -f2)"
+        ssh "$remote" "ls -1 $remote_dir" | grep "tar.gz" | sort -r
+	else
+        ls -1 "$backup_dir" | grep "tar.gz" | sort -r
+	fi
+}
+
+function tar_restore() {
+    local remote="$1"
+    local snapshot="$2"
+	local dest="$3"
+	local status
+
+    scp "$remote/$snapshot" "/tmp/"
+	status=$?
+    if [ $status -ne 0 ]; then
+        log_error "tar: failed to get archive from \"$remote/$snapshot\""
+        return 1
+    fi
+
+    tar -xzf "/tmp/$snapshot" -C "$dest"
+}