informative errors + sftp_path fix

Author: serghey-rodin

bin/v-add-backup-host

@@ -96,15 +96,17 @@ EOF
 #                    Verifications                         #
 #----------------------------------------------------------#
 
-check_args '4' "$#" "TYPE HOST USERNAME PASSWORD [PATH] [PORT]"
-validate_format 'host' 'user'
-is_password_valid
-if [ "$type" = 'sftp' ]; then
-    which expect >/dev/null 2>&1
-    if [ $? -ne 0 ];then
-        echo "Error: expect utility not found"
-        log_event "$E_NOTEXIST" "$EVENT"
-        exit $E_NOTEXIST
+if [ "$type" != 'local' ];then
+    check_args '4' "$#" "TYPE HOST USERNAME PASSWORD [PATH] [PORT]"
+    validate_format 'host' 'user'
+    is_password_valid
+    if [ "$type" = 'sftp' ]; then
+        which expect >/dev/null 2>&1
+        if [ $? -ne 0 ];then
+            echo "Error: expect utility not found"
+            log_event "$E_NOTEXIST" "$EVENT"
+            exit $E_NOTEXIST
+        fi
     fi
 fi
 
@@ -122,7 +124,7 @@ if [ "$type" = 'ftp' ]; then
     ferror=$(echo $fconn |\
         grep -i -e failed -e error -e "can't" -e "not conn" -e "incorrect")
     if [ ! -z "$ferror" ]; then
-        echo "Error: can't login to ftp server"
+        echo "Error: can't login to ftp $user@$host"
         log_event "$E_CONNECT" "$EVENT"
         exit $E_CONNECT
     fi
@@ -143,12 +145,12 @@ if [ "$type" = 'sftp' ]; then
     if [ -z $port ]; then
         port=22
     fi
-    sftmpdir="$sftp_path/vst.bK76A9SUkt"
+    sftmpdir="$path/vst.bK76A9SUkt"
     sftpc "mkdir $sftmpdir" "rmdir $sftmpdir" > /dev/null 2>&1
     rc=$?
     if [[ "$rc" != 0 ]]; then
         case $rc in
-            $E_CONNECT) echo "Error: can't login to sftp host";;
+            $E_CONNECT) echo "Error: can't login to sftp $user@$host";;
             $E_FTP) echo "Error: can't create temp folder on the sftp host";;
         esac
         log_event "$rc" "$EVENT"