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/*
* 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/>.
*/
#include <config.h>
#include "virsh-backup.h"
#include "virsh-util.h"
#include "internal.h"
#include "virfile.h"
/*
* "backup-begin" command
*/
static const vshCmdInfo info_backup_begin = {
.help = N_("Start a disk backup of a live domain"),
.desc = N_("Use XML to start a full or incremental disk backup of a live "
"domain, optionally creating a checkpoint"),
};
static const vshCmdOptDef opts_backup_begin[] = {
VIRSH_COMMON_OPT_DOMAIN_FULL(VIR_CONNECT_LIST_DOMAINS_ACTIVE),
{.name = "backupxml",
.type = VSH_OT_STRING,
.positional = true,
.completer = virshCompletePathLocalExisting,
.help = N_("domain backup XML"),
},
{.name = "checkpointxml",
.type = VSH_OT_STRING,
.unwanted_positional = true,
.completer = virshCompletePathLocalExisting,
.help = N_("domain checkpoint XML"),
},
{.name = "reuse-external",
.type = VSH_OT_BOOL,
.help = N_("reuse files provided by caller"),
},
{.name = NULL}
};
static bool
cmdBackupBegin(vshControl *ctl,
const vshCmd *cmd)
{
g_autoptr(virshDomain) dom = NULL;
const char *backup_from = NULL;
g_autofree char *backup_buffer = NULL;
const char *check_from = NULL;
g_autofree char *check_buffer = NULL;
unsigned int flags = 0;
if (vshCommandOptBool(cmd, "reuse-external"))
flags |= VIR_DOMAIN_BACKUP_BEGIN_REUSE_EXTERNAL;
if (!(dom = virshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(ctl, cmd, "backupxml", &backup_from) < 0)
return false;
if (!backup_from) {
backup_buffer = g_strdup("<domainbackup/>");
} else {
if (virFileReadAll(backup_from, VSH_MAX_XML_FILE, &backup_buffer) < 0) {
vshSaveLibvirtError();
return false;
}
}
if (vshCommandOptString(ctl, cmd, "checkpointxml", &check_from) < 0)
return false;
if (check_from) {
if (virFileReadAll(check_from, VSH_MAX_XML_FILE, &check_buffer) < 0) {
vshSaveLibvirtError();
return false;
}
}
if (virDomainBackupBegin(dom, backup_buffer, check_buffer, flags) < 0)
return false;
vshPrint(ctl, _("Backup started\n"));
return true;
}
/*
* "backup-dumpxml" command
*/
static const vshCmdInfo info_backup_dumpxml = {
.help = N_("Dump XML for an ongoing domain block backup job"),
.desc = N_("Backup Dump XML"),
};
static const vshCmdOptDef opts_backup_dumpxml[] = {
VIRSH_COMMON_OPT_DOMAIN_FULL(VIR_CONNECT_LIST_DOMAINS_ACTIVE),
{.name = "xpath",
.type = VSH_OT_STRING,
.completer = virshCompleteEmpty,
.help = N_("xpath expression to filter the XML document")
},
{.name = "wrap",
.type = VSH_OT_BOOL,
.help = N_("wrap xpath results in an common root element"),
},
{.name = NULL}
};
static bool
cmdBackupDumpXML(vshControl *ctl,
const vshCmd *cmd)
{
g_autoptr(virshDomain) dom = NULL;
g_autofree char *xml = NULL;
bool wrap = vshCommandOptBool(cmd, "wrap");
const char *xpath = NULL;
if (!(dom = virshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptStringQuiet(ctl, cmd, "xpath", &xpath) < 0)
return false;
if (!(xml = virDomainBackupGetXMLDesc(dom, 0)))
return false;
return virshDumpXML(ctl, xml, "domain-backup", xpath, wrap);
}
const vshCmdDef backupCmds[] = {
{.name = "backup-begin",
.handler = cmdBackupBegin,
.opts = opts_backup_begin,
.info = &info_backup_begin,
.flags = 0
},
{.name = "backup-dumpxml",
.handler = cmdBackupDumpXML,
.opts = opts_backup_dumpxml,
.info = &info_backup_dumpxml,
.flags = 0
},
{.name = NULL}
};
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