xref: /onnv-gate/usr/src/cmd/acct/ckpacct.sh (revision 0:68f95e015346)
1*0Sstevel@tonic-gate#!/sbin/sh
2*0Sstevel@tonic-gate#
3*0Sstevel@tonic-gate# CDDL HEADER START
4*0Sstevel@tonic-gate#
5*0Sstevel@tonic-gate# The contents of this file are subject to the terms of the
6*0Sstevel@tonic-gate# Common Development and Distribution License, Version 1.0 only
7*0Sstevel@tonic-gate# (the "License").  You may not use this file except in compliance
8*0Sstevel@tonic-gate# with the License.
9*0Sstevel@tonic-gate#
10*0Sstevel@tonic-gate# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
11*0Sstevel@tonic-gate# or http://www.opensolaris.org/os/licensing.
12*0Sstevel@tonic-gate# See the License for the specific language governing permissions
13*0Sstevel@tonic-gate# and limitations under the License.
14*0Sstevel@tonic-gate#
15*0Sstevel@tonic-gate# When distributing Covered Code, include this CDDL HEADER in each
16*0Sstevel@tonic-gate# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
17*0Sstevel@tonic-gate# If applicable, add the following below this CDDL HEADER, with the
18*0Sstevel@tonic-gate# fields enclosed by brackets "[]" replaced with your own identifying
19*0Sstevel@tonic-gate# information: Portions Copyright [yyyy] [name of copyright owner]
20*0Sstevel@tonic-gate#
21*0Sstevel@tonic-gate# CDDL HEADER END
22*0Sstevel@tonic-gate#
23*0Sstevel@tonic-gate#	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
24*0Sstevel@tonic-gate#	  All Rights Reserved
25*0Sstevel@tonic-gate
26*0Sstevel@tonic-gate#
27*0Sstevel@tonic-gate# Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
28*0Sstevel@tonic-gate# Use is subject to license terms.
29*0Sstevel@tonic-gate#
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.9	*/
32*0Sstevel@tonic-gate#       periodically check the size of /var/adm/pacct
33*0Sstevel@tonic-gate#       if over $1 blocks (default: maxi 200, mini 500), execute
34*0Sstevel@tonic-gate#	turnacct switch
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gate_adm=/var/adm
37*0Sstevel@tonic-gatePATH=/usr/lib/acct:/usr/bin:/usr/sbin
38*0Sstevel@tonic-gatetrap "rm -f /var/adm/cklock*; exit 0" 0 1 2 3 9 15
39*0Sstevel@tonic-gateexport PATH
40*0Sstevel@tonic-gate
41*0Sstevel@tonic-gateif [ -f uts -a uts ]
42*0Sstevel@tonic-gatethen
43*0Sstevel@tonic-gate	_max=${1-200}
44*0Sstevel@tonic-gateelse
45*0Sstevel@tonic-gate	_max=${1-500}
46*0Sstevel@tonic-gatefi
47*0Sstevel@tonic-gate_MIN_BLKS=500
48*0Sstevel@tonic-gatecd /var/adm
49*0Sstevel@tonic-gate
50*0Sstevel@tonic-gate#	set up lock files to prevent simultaneous checking
51*0Sstevel@tonic-gate
52*0Sstevel@tonic-gatecp /dev/null cklock
53*0Sstevel@tonic-gatechmod 400 cklock
54*0Sstevel@tonic-gateln cklock cklock1
55*0Sstevel@tonic-gateif test $? -ne 0 ; then exit 1; fi
56*0Sstevel@tonic-gate
57*0Sstevel@tonic-gate#	If there are less than $_MIN_BLKS free blocks left on the /var/adm
58*0Sstevel@tonic-gate#	file system, turn off the accounting (unless things improve
59*0Sstevel@tonic-gate#	the accounting wouldn't run anyway).  If something has
60*0Sstevel@tonic-gate#	returned the file system space, restart accounting.  This
61*0Sstevel@tonic-gate#	feature relies on the fact that ckpacct is kicked off by the
62*0Sstevel@tonic-gate#	cron at least once per hour.
63*0Sstevel@tonic-gate
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate_blocks=`df $_adm | sed 's/.*://' | awk '{ print $1 }'`
66*0Sstevel@tonic-gate
67*0Sstevel@tonic-gateif [ "$_blocks" -lt $_MIN_BLKS   -a  -f /tmp/acctoff ];then
68*0Sstevel@tonic-gate	echo "ckpacct: $_adm still low on space ($_blocks blks); \c"
69*0Sstevel@tonic-gate	echo "acctg still off"
70*0Sstevel@tonic-gate	( echo "ckpacct: $_adm still low on space ($_blocks blks); \c"
71*0Sstevel@tonic-gate	echo "acctg still off" ) | mailx root adm
72*0Sstevel@tonic-gate	exit 1
73*0Sstevel@tonic-gateelif [ "$_blocks" -lt $_MIN_BLKS ];then
74*0Sstevel@tonic-gate	echo "ckpacct: $_adm too low on space ($_blocks blks); \c"
75*0Sstevel@tonic-gate	echo "turning acctg off"
76*0Sstevel@tonic-gate	( echo "ckpacct: $_adm too low on space ($_blocks blks); \c"
77*0Sstevel@tonic-gate	echo "turning acctg off" ) | mailx root adm
78*0Sstevel@tonic-gate	nulladm /tmp/acctoff
79*0Sstevel@tonic-gate	turnacct off
80*0Sstevel@tonic-gate	exit 1
81*0Sstevel@tonic-gateelif [ -f /tmp/acctoff ];then
82*0Sstevel@tonic-gate	echo "ckpacct: $_adm free space restored; turning acctg on"
83*0Sstevel@tonic-gate	echo "ckpacct: $_adm free space restored; turning acctg on" | \
84*0Sstevel@tonic-gate		mailx root adm
85*0Sstevel@tonic-gate	rm /tmp/acctoff
86*0Sstevel@tonic-gate	turnacct on
87*0Sstevel@tonic-gatefi
88*0Sstevel@tonic-gate
89*0Sstevel@tonic-gate_cursize="`du -s pacct | sed 's/	.*//'`"
90*0Sstevel@tonic-gateif [ "${_max}" -lt "${_cursize}" ]; then
91*0Sstevel@tonic-gate	turnacct switch
92*0Sstevel@tonic-gatefi
93