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Full Discussion: Help with a loop
Top Forums Shell Programming and Scripting Help with a loop Post 302902016 by sudo on Saturday 17th of May 2014 11:58:45 AM
Old 05-17-2014
Basically, these servers are both running this program. The folders that are being synced are AFP share points that are used by people to upload files over a network. The idea is each country has a local repository of data, for performance measures.

The program reaches out to the far server and grabs the status, and uses that for rsync authentication. This is just to prevent synonymous syncing, which is problematic when large files upload to afp. The server will start the rsync before the file is finished uploading to the AFP share point, causing this chain reaction of syncing partly uploaded files between both servers.

i REALLY wanted to simply have the rsync wait until any AFP upload is done, but fswatch triggers the rsync when a change is made to the folder, including the start of the upload. I didn't see a way to have the script identify if a file was still uploading (there is nothing unique about a file upload-in-progress to use as a conditional for the script?)

Code:
n=0
until
    ssh user@servaddress 'cat /Users/admin/localserv/localserverstatus' 1> $REMOTESTAT && grep -q Closed "$REMOTESTAT"; do
        n=$((n + 1))
        if [ $n -ge 1000 ]
        then    echo 'server unavailable'
        exit 1
        fi
    echo 'waiting for sever to finish'
done
echo 'Open' 1> $LOCALSTAT
rsync -rvza --delete-after --progress $LOCALFOLDER $REMOTEFOLDER
echo 'Closed' 1> $LOCALSTAT

 

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LEARN ABOUT REDHAT

dput

dput(1) 						      General Commands Manual							   dput(1)

NAME

       dput - package upload tool for Debian

SYNTAX

       dput [options] [host] package.changes ...

DESCRIPTION

       This  is  a  tool  for uploading Debian packages into the archive. You may specify to which host it should upload the file by passing it an
       host argument. If omitted, dput uses the host specified by default_host (or, historically default_host_non-us) configuration option.   Also
       you have to pass the program one or more name of package.changes files and then they will be sequentially uploaded.

       This  program  will  then  upload  the  package for you into the archive, using a selected upload method. Currently dput supports ftp, scp,
       rsync, http, https, and local. The method scripts have been split from the main script  so  it  is  easy  to  add  new  methods.   Look	in
       /usr/share/dput/ for examples.

       Should  something  go  wrong  with your upload to destinations using the Debian upload queue daemon (e.g. ftp-master), you can remove files
       from the upload queue with dcut(1).

OPTIONS

       -c, --config - define a config file to use.

       -d, --debug - activate debugging mode, helpful if bugs occur.

       -D, --dinstall - do a dry run of dinstall after the upload.

       -f, --force - force an upload of an already uploaded package.

       -h, --help - print help information and exit.

       -H, --host-list - print the lists of hosts that dput knows about.

       -l, --lintian - run lintian before the upload.

       -U, --no-upload-log - do not write a .upload log file after uploading.

       -o, --check-only - check only the package and do not upload.

       -p, --print - print the configuration that dput is using.

       -P, --passive - use passive ftp instead of active. Note that passive ftp is the default unless specified  otherwise  in	the  configuration
       file.

       -s, --simulate - simulate an upload only.

       -u, --unchecked - don't check GnuPG signature on the changes file.

       -e,  --delayed  - Upload to a DELAYED queue, rather than the usual Incoming. This takes an argument from 0 to 15. Note that a delay of 0 is
       different from no delay at all.

       -v, --version - print version information and exit.

       -V, --check-version - check if the user has already installed and tested the package before putting it into the archive.

ENVIRONMENT

       This program doesn't depend on any environment variables. But if the variable USER is set, it will be used.

LICENSE

       This program is distributed under the terms of the GPL.

BUGS

       Please send bug reports to the author.

FILES

       /etc/dput.cf
	      global dput configuration file

       ~/.dput.cf
	      peruser dput configuration file

SEE ALSO

       dput.cf(5)
       dcut(1)
       /usr/share/doc/dput
       /usr/share/dput

AUTHOR

       dput was written Christian Kurz. The current maintainer is Thomas Viehmann <tv@beamnet.de>.

       Many other people have contributed to this code. See the Thanks file.

COMMENTS

       The author does appreciate comments and suggestions from you.

								  October 5, 2001							   dput(1)
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