/usr/share/doc/libvirt-doc/examples/dommigrate/dommigrate.c is in libvirt-doc 4.0.0-1ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | /*
* dommigrate.c: This file is largely inspired from hellolibvirt and
* contains a trivial example that illustrate p2p domain
* migration with libvirt.
*
* Copyright (C) 2014 Cloudwatt
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Sahid Orentino Ferdjaoui <sahid.ferdjaoui@cloudwatt.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <libvirt/libvirt.h>
#include <libvirt/virterror.h>
static int
usage(char *prgn, int ret)
{
printf("Usage: %s <src uri> <dst uri> <domain name>\n", prgn);
return ret;
}
int
main(int argc, char *argv[])
{
char *src_uri, *dst_uri, *domname;
int ret = 0;
virConnectPtr conn = NULL;
virDomainPtr dom = NULL;
if (argc < 4) {
ret = usage(argv[0], 1);
goto out;
}
src_uri = argv[1];
dst_uri = argv[2];
domname = argv[3];
printf("Attempting to connect to the source hypervisor...\n");
conn = virConnectOpenAuth(src_uri, virConnectAuthPtrDefault, 0);
if (!conn) {
ret = 1;
fprintf(stderr, "No connection to the source hypervisor: %s.\n",
virGetLastErrorMessage());
goto out;
}
printf("Attempting to retrieve domain %s...\n", domname);
dom = virDomainLookupByName(conn, domname);
if (!dom) {
fprintf(stderr, "Failed to find domain %s.\n", domname);
goto cleanup;
}
printf("Attempting to migrate %s to %s...\n", domname, dst_uri);
if ((ret = virDomainMigrateToURI(dom, dst_uri,
VIR_MIGRATE_PEER2PEER,
NULL, 0)) != 0) {
fprintf(stderr, "Failed to migrate domain %s.\n", domname);
goto cleanup;
}
printf("Migration finished with success.\n");
cleanup:
if (dom != NULL)
virDomainFree(dom);
if (conn != NULL)
virConnectClose(conn);
out:
return ret;
}
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