1#!/usr/bin/ksh -p
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27
28#
29# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
30#
31
32#
33# A function to determine if a given pool name has an entry in cachefile
34# returns 1 if the pool is not in the cache, 0 otherwise.
35function pool_in_cache {
36
37	# checking for the pool name in the strings output of
38	# the given cachefile, default is /etc/zfs/zpool.cache
39	typeset cachefile=${2:-$CPATH}
40
41	RESULT=$(strings $cachefile | grep -w $1)
42	if [ -z "$RESULT" ]
43	then
44		return 1
45	fi
46	return 0
47}
48