I'm calling a function in which I'm scp files to remote server. but its giving out error.
Function below :-
scp_files()
{
######## scp files to remote host ###############
echo "**************************************************************************"
echo " scp files to remote host .. *"
echo "**************************************************************************"
echo "value of first argument is $1"
echo "silver username is $silver_username"
expect <<- DONE
log_user 0
set timeout -1
spawn scp commands.txt $silver_username#$1:/tmp/
expect "password: "
send "test123\r"
expect "$ "
send "exit\r"
expect eof
DONE
}
calling function
scp_files ${!REDIS_IP} ${!REDIS_PORT}
here im getting error as below :
send: spawn id exp5 not open
Where could be the issue here?
Related
I am trying to have an expect script inside a bash to login to a router, execute a command and store output in a text file.
#!/usr/bin/bash
FQDN=$1
LogFile=/tmp/Router_${FQDN}.txt
> $LogFile
expect -d <<EOF > $LogFile
set timeout 20
set FQDN [lindex $argv 0]
set Username "user"
set Password "***$$$"
spawn ssh $Username#$FQDN
expect "*assword:"
send "$Password\r"
expect "#"
send "some command\r"
expect "#"
send "exit\r"
sleep 1
exit
expect eof
EOF
cat $LogFile
I am getting the below error message.
system personnel =\r\r\n= may provide the evidence of such monitoring to law enforcement officials. =\r\r\n=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==\r\r\npassword: "
send: sending "\n" to { exp6 }
expect: does "" (spawn_id exp6) match glob pattern "#"? no
password:
Enter old password:
Based on the error it appears that script is hitting the {return} key "\r" which is not to be sent at password prompt.
I don't have a return once i ssh. Not sure where i am going wrong.
This is my expect script which is working fine. Its only when i code this inside a bash script its failing.
#!/usr/bin/expect -f
set timeout 20
set FQDN [lindex $argv 0]
set Username "user"
set Password "***$$$"
spawn ssh -o "StrictHostKeyChecking no" $Username#$FQDN
expect "*assword: "
send "$Password\r"
expect "#"
send "some command\r"
expect "#"
send "exit\r"
sleep 1
exit
-Abhi
In a here-doc, variables like $Username and $Password are being expanded by the shell, so they're not seen as literals for Expect to expand. Since those shell variables aren't set anywhere, they're being expanded to null strings. As a result, it's executing ssh #$FQDN and sending an empty password.
You need to escape the $ so that Expect can process them.
You also don't need the set FQDN line in the Expect script, since you're using the shell variable for that.
#!/usr/bin/bash
FQDN=$1
LogFile=/tmp/Router_${FQDN}.txt
> $LogFile
expect -d <<EOF > $LogFile
set timeout 20
set Username "user"
set Password "***$$$"
spawn ssh \$Username#$FQDN
expect "*assword:"
send "\$Password\r"
expect "#"
send "some command\r"
expect "#"
send "exit\r"
sleep 1
exit
expect eof
EOF
cat $LogFile
Or you could set them as shell variables, just like FQDN.
#!/usr/bin/bash
FQDN=$1
Username=user
Password="***$$$"
LogFile=/tmp/Router_${FQDN}.txt
> $LogFile
expect -d <<EOF > $LogFile
set timeout 20
spawn ssh $Username#$FQDN
expect "*assword:"
send "$Password\r"
expect "#"
send "some command\r"
expect "#"
send "exit\r"
sleep 1
exit
expect eof
EOF
cat $LogFile
i wonder what may be wrong here
I do an sftp expect script which will prompt me for password, but never seems to send the password in. Or if it does send it encrypted, we still do not get to the sftp prompt. Any ideas?
cd /proj/eiffel004_config_fem107/slaves/RHEL6.4_GE_3/workspace/Remote_Agent_Test/
/usr/bin/expect << 'EOF'
set timeout -1
spawn sftp root#server
expect {
"*assword: "
}
send "thePassword \r"
expect {
"sftp> "
}
send "put filename \r"
expect {
"100"
}
send "exit \r"
EOF
Output is
+ cd /proj/eiffel004_config_fem107/slaves/RHEL6.4_GE_3/workspace/Remote_Agent_Test/
+ /usr/bin/expect
spawn sftp root#server
Connecting to server...
Warning: Permanently added 'server,102.44.79.32' (RSA) to the list of known
hosts.
root#server's password:
I have the following expect statement within my bash script:
/usr/bin/expect << EOF
spawn -noecho lucli users add -username user -role admin -email
user#user.com
expect "password:" { send "password\n" }
expect "password:" { send "password\n" }
expect eof
EOF
I want the expect script to validate that the correct output is returned from the CLI command after it passes the passwords and creates the user.
The message I want to validate that gets returned is "added to the system successfully"
I can't figure out how to do that from within the bash script using expect.
Can anyone help?
You could try something like this:
# note the quoted here-doc word
status=$(/usr/bin/expect << 'EOF'
spawn -noecho lucli users add -username user -role admin -email
user#user.com
expect "password:" { send "password\r" }
expect "password:" { send "password\r" }
expect eof
set status [string match "*added to the system successfully*" $expect_out(buffer)]
# $status will be the C-like boolean 0 or 1
exit $status
EOF
)
if [[ $status -eq 1 ]]; then
echo "user added OK"
else
echo "user not added"
fi
ref: https://tcl.tk/man/tcl8.6/TclCmd/string.htm
The question is to preserve a variable and to perform actions after closing ssh within expect script inside bash.
This is what I`ve got so far:
echo "Getting package name..."
getPackageName=$(expect -c '
exp_internal 1
log_user 1
global expect_out
# puts "Getting package name..."
spawn ssh -q -o StrictHostKeyChecking=no -o PreferredAuthentications=password -o PubkeyAuthentication=no -o RSAAuthentication=no -l user 10.20.30.40
sleep 1
expect {
"*sword*" {
send "12341234\r"
}
timeout {
send_user "Error: timeout\n"
exit 1
}
}
expect {
"*user#*>*" {
# getting name of the latest modified file
send "cd /export/home/user/Releases/build/1.3.32.0 && find * -type f -printf '"'"'%T# %p\\n'"'"' | sort -n | tail -1 | cut -f2- -d\" \"\r"
}
timeout {
send_user "Error: timeout\n"
exit 1
}
}
expect {
"BUILD_MAIN*" {
# assigning value to variable
set result_lines [split $expect_out(0,string) \r\n]
set package_filename [lindex $result_lines 0]
puts "package_filename: $package_filename"
}
timeout {
send_user "Error: timeout\n"
exit 1
}
}
expect "*#"
send "exit\r"
# here I need to perform some actions on local machine after ssh logout
expect "Connection*"
send "export LATEST_BUILD=$package_filename\r"
send_user "Message sent to user"
')
So, in the bottom block I am trying to set environment variable (LATEST_BUILD) on the local machine after closing ssh, and also to paste there a value of variable (package_filename) which has been defined earlier during ssh session.
The point here is that I see the last "Message sent to user" in the output, but the previous send "export LATEST_BUILD=12345\r" obviously does not work.
#!/bin/bash
getPackageName=$(expect -c '
# A common prompt matcher
set prompt "%|>|#|\\\$ $"
# To suppress any other form of output generated by spawned process
log_user 0
### Spawning ssh here ###
spawn ssh user#xxx.xx.xxx.xxx
expect "password"
send "welcome!2E\r"
expect -re $prompt
# Your further code
send "exit\r"
expect eof
##### The below segment is not needed ######
##### if your intention is to get only the 'package_filename' value #####
# spawn bash
# expect -re $prompt
# send "export LATEST_BUILD=54.030\r"
# expect -re $prompt
# send "echo \$LATEST_BUILD\r"
# expect -re $prompt
# send "exit\r"
# expect eof
#
##### The End ######
# Enabling logging now ...
log_user 1
# Print only the value which you want to return
puts "$package_filename"
')
echo $getPackageName
eof is used to identify the end-of-file event i.e. closure of connection.
Note : The exported variable LATEST_BUILD only be available for the spawned bash session.
Update :
log_user is used to turn off/on the logging generated by Expect at any time.
log_user 0; # Turn off logging
log_user 1; # Turn on logging
I hope that your only intention is to get the package_filename. So, we don't even need to spawn bash shell. Instead, simply print the value at last, thereby making it to be available to the parent bash script.
I was lurking on this site for quite awhile now because I am doing an SFTP in a expect/SH script. SSH keygen is not an option for us since we don't have access to the remote server so we're looking into using expect to provide password arg for SFTP.
Here is the script I am working on, and everything is working here except I want to capture or log to an output file if my transfer ("mput") completed successfully. Any advice on what code to put after the "mput" since if I add an expect_out(buffer) after, it is failing.
#!/bin/ksh
DIRROOT=/apps/gen/e2k/sys/bpp
COPYDIR=$DIRROOT/SENT
FILEHASH=TEST.SOME.FILE.*
if [ ! -f $COPYDIR/$FILEHASH ]; then
echo "No File"
fi
# New FTP credential from GIC
FTPSERV=**********
FTPUSER=**********
FTPPWD=**********
FTPDIR=/to-scs
/usr/local/bin/expect -f - <<EOFEXPECT1
#exp_internal 1
set timeout -1
set log [open "/dir/dir1/dir2/MIKETEST.txt" w]
spawn sftp -oPort=10022 $FTPUSER#$FTPSERV
expect "password:"
send "$FTPPWD\r";
expect "sftp> "
send "lcd $COPYDIR \r";
expect "sftp> "
send "cd /recipient \r";
expect "sftp> "
send "mput TEST.SOME.FILE.*\r";
put $log $expect_out(buffer)
close $log
expect "sftp> "
send "bye\r";
expect eof
EOFEXPECT1
if [ $? -eq 0 ]
then
echo "success"
else
echo "fail"
fi
You should be using puts instead of put and i wouldn't rely on $expect_out(buffer) for error checking. Rather use a nested expect statement to trap for common sftp scenarios/errors.
set timeout -1
send "mput TEST.SOME.FILE.*\r";
expect {
#Check for progress, note does not work with all versions of SFTP
#If a match is found restart expect loop
-re "\[0-9]*%" {
set percent $expect_out(0,string)
puts $logf "File transfer at $percent, continuing..."
exp_continue
}
#Check for common errors, by no means all of them
-re "Couldn't|(.*)disconnect|(.*)stalled" {
puts $logf "Unable to transfer file"
exit 1
}
#OK continue
"sftp>" {
puts $logf "File transfer completed"
}
}
Finally, i don't recommend using timeout of -1 (never) as this will lead to a stuck process sooner or later. Rather make us of a timeout value and trap for the possibility of a timeout to occur in the expect block.
set timeout 60
expect {
#Process timed out
timeout {
puts $logf "File transfer timed out"
}
}