rsync - Jun 2015 - Strange problem with rsync and expect

Version: 3.0.6OS: CentOS 6.6


I met a strange problem when using rsync with expect. I wrote a script backing
up using rsync and expect. However when I run the script twice for two different
files at same time,  the two files on destination path would be deleted
automatically before the files closed. The output of inotify_wait was like:
./ MODIFY .redo02.log.dOlbek

./ DELETE .redo02.log.dOlbek

./ CLOSE_WRITE,CLOSE .redo02.log.dOlbek

I didn't use any --del options and tried --ignore-errors --max-delete=0, but
they didn't work. The problem happened only when two processes were running
at same time.  Here is my script:#!/usr/bin/expect




log_user 0




set env(LANG) en_US.UTF-8




set user        "[lindex $argv 0]"

set bwlimit     "[lindex $argv 1]"

set timeout     "[lindex $argv 2]"

set src_path    "[lindex $argv 3]"

set dest_ip     "[lindex $argv 4]"

set dest_path   "[lindex $argv 5]"

set passwd      "[lindex $argv 6]"




spawn rsync -artqz4 -e "ssh -p 22 -o StrictHostKeyChecking=no -l
$user" \

            --bwlimit=$bwlimit --timeout=$timeout "$src_path"
"$dest_ip:$dest_path"




expect {

    "Connection refused" {exit 1}

    "Name or service not known" {exit 2}

    "Permission denied*" {exit 3}

    "continue connecting" {send "yes\r"; exp_continue}

    "password:" {send "$passwd\r"; exp_continue}

}




exit

May I did something wrong? Thanks in advance.



Guangmu Zhu
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Yes, you are doing something wrong.  You are using expect to allow a
password to be specified on the command line.  Use ssh key
authentication instead.

Now, as to your problem I couldn't duplicate it.  I started an rsync
of a large file, ^Z suspended it, confirmed that the temp file was
present, then ran another rsync of a different file in the same
directory and the original temp file was not touched or removed by the
subsequent rsync.

On 06/16/2015 02:38 AM, Guangmu Zhu wrote:
> Version: 3.0.6 OS: CentOS 6.6
> 
> I met a strange problem when using rsync with expect. I wrote a 
> script backing up using rsync and expect. However when I run the 
> script twice for two different files at same time,  the two files 
> on destination path would be deleted automatically before the
> files closed. The output of inotify_wait was like:
> 
> ./ MODIFY .redo02.log.dOlbek
> 
> ./ DELETE .redo02.log.dOlbek ./ CLOSE_WRITE,CLOSE 
> .redo02.log.dOlbek
> 
> I didn't use any --del options and tried --ignore-errors 
> --max-delete=0, but they didn't work. The problem happened only 
> when two processes were running at same time.  Here is my script:
> 
> #!/usr/bin/expect
> 
> log_user 0
> 
> set env(LANG) en_US.UTF-8
> 
> set user        "[lindex $argv 0]" set bwlimit     "[lindex
$argv
> 1]" set timeout     "[lindex $argv 2]" set src_path   
"[lindex
> $argv 3]" set dest_ip     "[lindex $argv 4]" set dest_path
"[lindex
> $argv 5]" set passwd      "[lindex $argv 6]"
> 
> spawn rsync -artqz4 -e "ssh -p 22 -o StrictHostKeyChecking=no -l 
> $user" \ --bwlimit=$bwlimit --timeout=$timeout "$src_path" 
> "$dest_ip:$dest_path"
> 
> expect { "Connection refused" {exit 1} "Name or service not
known"
> {exit 2} "Permission denied*" {exit 3} "continue
connecting" {send
> "yes\r"; exp_continue} "password:" {send
"$passwd\r"; exp_continue}
> }
> 
> exit
> 
> May I did something wrong? Thanks in advance.
> 
> Guangmu Zhu
> 
> 
> 
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