check_sftp.sh: some debug info

Signed-off-by: Jan Vojta <[email protected]>

check_sftp.sh

@@ -1,11 +1,12 @@
 #!/bin/bash
 
-#[email protected]
+# [email protected]
+# [email protected]
 
 host=''
 user=''
 password=''
-timeout=4
+timeout=10
 port=22
 
 usage(){
@@ -15,7 +16,7 @@ usage: $0 <options>
   -u user
   -p password
   -P port (defaults to 22)
-  -t timeout (defaults to 4 seconds)
+  -t timeout (defaults to 10 seconds)
 EOF
 exit 3
 }
@@ -39,13 +40,17 @@ fi
 
 which lftp &>/dev/null || { echo 'You need to have lftp installed.'; exit 3; }
 
-timeout $timeout lftp -u ${user},${password} sftp://${host}:${port} <<EOF > /dev/null
-ls
-bye
-EOF
+# 'set net:max-retries 1' - 0 set unlimited, 1 - no retries
+# 'set net:timeout ${timeout}' - sets the network protocol timeout.
+# 'set net:reconnect-interval-base 5' - sets  the  base minimal time between reconnects
+
+OUT=$(lftp -u "${user},${password}" sftp://$host:$port -e "set net:timeout ${timeout};set net:max-retries 1;set net:reconnect-interval-base 5;ls;bye" 2>&1)
 
 if [[ $? -ne 0 ]]; then
-  echo "Unable to connect to connect to ${host}"; exit 2;
+  echo "Unable to connect to connect to ${host}"
+  echo $OUT
+  exit 2
 else
-  echo "Successfully connected to ${host}"; exit 0;
+  echo "Successfully connected to ${host}"
+  exit 0
 fi