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Full Discussion: Passing a MySql password from bash script
Top Forums Shell Programming and Scripting Passing a MySql password from bash script Post 302374575 by codenjanod on Wednesday 25th of November 2009 02:32:59 AM
Old 11-25-2009
Passing a MySql password from bash script
Hi all,

I am running this script on Mandrakelinux release 10.1, 2.6.8.1-12mdksmp #1 SMP
I have also installed 'expect' separately.

I have created an Rsync script, but before any Rsync command does run, a MySql dump must be done first, and I am battling a bit to pass the MySql password from the bash script.

This is what my script looks like:
Code:
#!/bin/bash

VAULT='backupserver'
RSYNC=`which rsync`
DATE=$(date +%Y-%m-%d.%H:%M)
LOG="/tmp/MySql-$DATE.log"
MYSQLDUMP='/usr/local/mysql/bin/mysqldump'
BACKUPDIR='/Data/Mysql_Backups'
PASS='/root/.credentials'

backup () {
    VAR=$(expect -c "
        spawn "$MYSQLDUMP -u root -p database_1 $BACKUPDIR/backup.sql"
        expect \"password:\"
        send \"$PASS\r\"
        expect \"\\\\$\"
    ")
    echo "==============="
    echo "$VAR" 

        $RSYNC -e ssh -avl --delete --stats --progress $BACKUPDIR/backup.sql    root@$VAULT:/vault2/Backups/MySql    >> $LOG
        rm -rf $BACKUPDIR/backup.sql
}

backup

The output I get when running the script is:
Quote:
expect: invalid option -- u
usage: expect [-div] [-c cmds] [[-f] cmdfile] [args]
===============
spawn /usr/local/mysql/bin/mysqldump
rsync: link_stat "/Data/Mysql_Backups/backup.sql" failed: No such file or directory (2)
rsync error: some files could not be transferred (code 23) at main.c(692)
Thanks for the help.
 

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LEARN ABOUT DEBIAN

svn-fast-backup

svn-fast-backup(1)					      General Commands Manual						svn-fast-backup(1)

NAME

       svn-fast-backup - very fast backup for Subversion fsfs repositories.

SYNOPSIS

       svn-fast-backup [-q] [-k{N|all}] [-f] [-t] [-s] repos_path backup_dir

DESCRIPTION

       svn-fast-backup uses rsync snapshots for very fast backup of a Subversion fsfs repository at repos_path to backup_dir/repos-rev, the latest
       revision number in the repository.  Multiple fsfs backups share data via hardlinks, so old backups are almost free, since a newer  revision
       of a repository is almost a complete superset of an older revision.

       This  is  good for replacing incremental log-dump+restore-style backups because it is just as space-conserving and even faster; there is no
       inter-backup state (old backups are essentially caches); each backup directory is self-contained.  It has the same  command-line  interface
       as svn-hot-backup(1) (if you use --force), but only works for fsfs repositories.

       svn-fast-backup keeps 64 backups by default and deletes backups older than these; this can be adjusted with the -k option.

OPTIONS

       -h, --help
	      Shows some brief help text.

       -q, --quiet
	      Quieter-than-usual operation.

       -k, --keep=N
	      Keep a specified number of backups; the default is to keep 64.

       -k, --keep=all
	      Do not delete any old backups at all.

       -f, --force
	      Make a new backup even if one with the current revision exists.

       -t, --trace
	      Show actions.

       -s, --simulate
	      Don't perform actions.

AUTHOR

       Voluntary contributions made by many individuals.  Copyright (C) 2006 CollabNet.

								    2006-11-09							svn-fast-backup(1)
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