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8e03a75086
This test case depends on dtrace and sometimes gets affected if dtrace has issues. Make it report skipped instead of failure when dtrace fails to run. Sponsored by: The FreeBSD Foundation
80 lines
2.8 KiB
Bash
Executable file
80 lines
2.8 KiB
Bash
Executable file
#!/bin/sh
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# Copyright (c) 2019 Axcient
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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. $(atf_get_srcdir)/conf.sh
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# See also https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=178473
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atf_test_case failloop cleanup
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failloop_head()
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{
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atf_set "descr" "A persistent failure in the provider should not cause an infinite loop, nor restore any providers that were faulted by the same bio"
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atf_set "require.user" "root"
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atf_set "require.config" "allow_sysctl_side_effects"
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}
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failloop_body()
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{
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sysctl -n kern.geom.notaste > kern.geom.notaste.txt
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load_gnop
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load_gmultipath
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load_dtrace
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md0=$(alloc_md)
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md1=$(alloc_md)
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name=$(mkname)
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atf_check gnop create /dev/${md0}
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atf_check gnop create /dev/${md1}
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atf_check -s exit:0 gmultipath create "$name" ${md0}.nop ${md1}.nop
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sysctl kern.geom.notaste=1
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atf_check gnop configure -r 100 -w 100 ${md0}.nop
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atf_check gnop configure -r 100 -w 100 ${md1}.nop
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dd_status=`dtrace \
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-o restore_count \
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-i 'geom:multipath:config:restore {@restore = count()}' \
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-c "dd if=/dev/zero of=/dev/multipath/"$name" bs=4096 count=1" \
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2>&1 | awk '/exited with status/ {print $NF}'`
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if [ ! -f restore_count ]; then
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atf_skip "dtrace didn't execute successfully"
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fi
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# The dd command should've failed ...
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atf_check_equal 1 $dd_status
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# and triggered 1 or 2 path restores
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if [ `cat restore_count` -gt 2 ]; then
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atf_fail "gmultipath restored paths too many times"
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fi
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}
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failloop_cleanup()
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{
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if [ -f kern.geom.notaste.txt ]; then
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sysctl kern.geom.notaste=`cat kern.geom.notaste.txt`
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fi
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common_cleanup
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}
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atf_init_test_cases()
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{
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atf_add_test_case failloop
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}
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