virshtest: Adapt 'virsh-read-bufsiz' and 'virsh-read-non-seekable'

Test both situations (reading from non-regular file and reading a file
larger than (arbitrary) buffer size) via 'virshtest'.

To feed the pipe we need to create a thread that does it, but otherwise
it's fairly straightforward.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2024-03-21 17:50:09 +01:00
parent 60cc7bd1c0
commit 3ace963662
5 changed files with 97 additions and 102 deletions

View File

@ -691,8 +691,6 @@ if conf.has('WITH_LIBVIRTD')
'libvirtd-fail',
'libvirtd-pool',
'virsh-auth',
'virsh-read-bufsiz',
'virsh-read-non-seekable',
'virsh-self-test',
'virsh-uriprecedence',
'virt-admin-self-test',

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@ -1,49 +0,0 @@
#!/bin/sh
# ensure that reading a file larger than BUFSIZ works
# Copyright (C) 2008, 2010 Red Hat, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see
# <http://www.gnu.org/licenses/>.
. "$(dirname $0)/test-lib.sh"
if test "$VERBOSE" = yes; then
set -x
$abs_top_builddir/tools/virsh --version
fi
fail=0
# Output a valid definition, to be used as input.
$abs_top_builddir/tools/virsh -c test:///default dumpxml 1 > xml.t || fail=1
# Change the VM name and UUID
sed -e "s|<name>test</name>|<name>newtest</name>|g" \
-e "\|<uuid>.*</uuid>|d" \
xml.t > xml
for i in before after; do
# The largest BUFSIZ I've seen is 128K. This is slightly larger.
printf %132000s ' ' > sp || fail=1
in=in-$i
# Append or prepend enough spaces to push the size over the limit:
( test $i = before && cat sp xml || cat xml sp ) > $in || fail=1
$abs_top_builddir/tools/virsh --connect test:///default define $in > out || fail=1
printf "Domain 'newtest' defined from $in\n\n" > exp || fail=1
compare exp out || fail=1
done
(exit $fail); exit $fail

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@ -1,51 +0,0 @@
#!/bin/sh
# ensure that certain file-reading commands can handle non-seekable files
# Copyright (C) 2008 Red Hat, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see
# <http://www.gnu.org/licenses/>.
. "$(dirname $0)/test-lib.sh"
if test "$VERBOSE" = yes; then
set -x
$abs_top_builddir/tools/virsh --version
fi
fail=0
cat <<\EOF > dom
<domain type='test' id='2'>
<name>t2</name>
<uuid>004b96e1-2d78-c30f-5aa5-000000000000</uuid>
<memory>8388608</memory>
<vcpu>2</vcpu>
<os>
<type>xen</type>
</os>
<on_reboot>restart</on_reboot>
<on_poweroff>destroy</on_poweroff>
<on_crash>restart</on_crash>
</domain>
EOF
$abs_top_builddir/tools/virsh -c test:///default define dom > /dev/null || fail=1
mkfifo_or_skip_ fifo
cat dom > fifo &
$abs_top_builddir/tools/virsh -c test:///default define fifo > /dev/null || fail=1
(exit $fail); exit $fail

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@ -1,11 +1,14 @@
#include <config.h>
#include <unistd.h>
#include <fcntl.h>
#include "internal.h"
#include "testutils.h"
#include "vircommand.h"
#include "util/virthread.h"
#define VIR_FROM_THIS VIR_FROM_NONE
#ifdef WIN32
@ -103,6 +106,90 @@ static int testCompare(const void *data)
}
static void
testPipeFeeder(void *opaque)
{
/* feed more than observed buffer size which was historically 128k in the
* test this was adapted from */
size_t emptyspace = 140 * 1024;
const char *pipepath = opaque;
const char *xml =
"<domain type='test' id='2'>\n"
" <name>t2</name>\n"
" <uuid>004b96e1-2d78-c30f-5aa5-000000000000</uuid>\n"
" <memory>8388608</memory>\n"
" <vcpu>2</vcpu>\n"
" <os>\n"
" <type>xen</type>\n"
" </os>\n"
"</domain>\n";
size_t xmlsize = strlen(xml);
g_autofree char *doc = g_new0(char, emptyspace + xmlsize + 1);
VIR_AUTOCLOSE fd = -1;
if ((fd = open(pipepath, O_RDWR)) < 0) {
fprintf(stderr, "\nfailed to open pipe '%s': %s\n", pipepath, g_strerror(errno));
return;
}
memset(doc, ' ', emptyspace);
virStrcpy(doc + emptyspace, xml, xmlsize);
if (safewrite(fd, doc, emptyspace + xmlsize + 1) < 0) {
fprintf(stderr, "\nfailed to write to pipe '%s': %s\n", pipepath, g_strerror(errno));
return;
}
}
static int
testVirshPipe(const void *data G_GNUC_UNUSED)
{
char tmpdir[] = "/tmp/libvirt_virshtest_XXXXXXX";
g_autofree char *pipepath = NULL;
virThread feeder;
bool join = false;
g_autofree char *cmdstr = NULL;
const char *argv[] = { VIRSH_DEFAULT, NULL, NULL };
int ret = -1;
if (!g_mkdtemp(tmpdir)) {
fprintf(stderr, "\nfailed to create temporary directory\n");
return -1;
}
pipepath = g_strdup_printf("%s/pipe", tmpdir);
cmdstr = g_strdup_printf("define %s ; list --all", pipepath);
argv[3] = cmdstr;
if (mkfifo(pipepath, 0600) < 0) {
fprintf(stderr, "\nfailed to create pipe '%s': %s\n", pipepath, g_strerror(errno));
goto cleanup;
}
if (virThreadCreate(&feeder, true, testPipeFeeder, pipepath) < 0)
goto cleanup;
join = true;
if (testCompareOutputLit(abs_srcdir "/virshtestdata/read-big-pipe.out",
"/tmp/libvirt_virshtest", argv) < 0)
goto cleanup;
ret = 0;
cleanup:
if (join)
virThreadJoin(&feeder);
unlink(pipepath);
rmdir(tmpdir);
return ret;
}
static int
mymain(void)
{
@ -238,6 +325,9 @@ mymain(void)
"checkpoint-create test --redefine checkpoint-c2.xml ;"
"checkpoint-info test c2");
if (virTestRun("read-big-pipe", testVirshPipe, NULL) < 0)
ret = -1;
VIR_FREE(custom_uri);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}

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@ -0,0 +1,7 @@
Domain 't2' defined from
Id Name State
-----------------------
1 test running
- t2 shut off