mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-11 13:40:07 +00:00
52 lines
1.9 KiB
Bash
52 lines
1.9 KiB
Bash
# This program is copyright 2011 Percona Inc.
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# Feedback and improvements are welcome.
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#
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# THIS PROGRAM IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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# MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, version 2; OR the Perl Artistic License. On UNIX and similar
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# systems, you can issue `man perlgpl' or `man perlartistic' to read these
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# licenses.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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# Place, Suite 330, Boston, MA 02111-1307 USA.
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# ###########################################################################
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# safeguards package
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# ###########################################################################
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# Package: safeguards
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# safeguards is a collection of function to help avoid blowing things up.
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set -u
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disk_space() {
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local filesystem=${1:-"$PWD"}
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# Filesystem 512-blocks Used Available Capacity Mounted on
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# /dev/disk0s2 236306352 190223184 45571168 81% /
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df -m -P $filesystem
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}
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check_disk_space() {
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local file=$1
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local mb=${2:-"0"}
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local pct=${3:-"0"}
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local avail=$(cat $file | awk '/^\//{print $4}');
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local full=$(cat $file | awk '/^\//{print $5}' | sed -e 's/%//g');
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if [ "${avail}" -le "$mb" -o "$full" -le "$pct" ]; then
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echo "Not enough free space (${full}% full, ${avail}MB free)"
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echo "Wanted less than ${pct}% full and more than ${mb}MB"
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return 1
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fi
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return 0
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}
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# ###########################################################################
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# End safeguards package
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# ###########################################################################
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