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152 lines
3.9 KiB
C
152 lines
3.9 KiB
C
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/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include "virsh-backup.h"
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#include "virsh-util.h"
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#include "internal.h"
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#include "virfile.h"
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/*
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* "backup-begin" command
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*/
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static const vshCmdInfo info_backup_begin[] = {
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{.name = "help",
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.data = N_("Start a disk backup of a live domain")
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},
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{.name = "desc",
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.data = N_("Use XML to start a full or incremental disk backup of a live "
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"domain, optionally creating a checkpoint")
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},
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{.name = NULL}
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};
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static const vshCmdOptDef opts_backup_begin[] = {
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VIRSH_COMMON_OPT_DOMAIN_FULL(0),
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{.name = "backupxml",
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.type = VSH_OT_STRING,
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.help = N_("domain backup XML"),
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},
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{.name = "checkpointxml",
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.type = VSH_OT_STRING,
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.help = N_("domain checkpoint XML"),
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},
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{.name = "reuse-external",
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.type = VSH_OT_BOOL,
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.help = N_("reuse files provided by caller"),
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},
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{.name = NULL}
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};
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static bool
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cmdBackupBegin(vshControl *ctl,
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const vshCmd *cmd)
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{
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g_autoptr(virshDomain) dom = NULL;
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const char *backup_from = NULL;
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g_autofree char *backup_buffer = NULL;
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const char *check_from = NULL;
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g_autofree char *check_buffer = NULL;
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unsigned int flags = 0;
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if (vshCommandOptBool(cmd, "reuse-external"))
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flags |= VIR_DOMAIN_BACKUP_BEGIN_REUSE_EXTERNAL;
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if (!(dom = virshCommandOptDomain(ctl, cmd, NULL)))
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return false;
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if (vshCommandOptStringReq(ctl, cmd, "backupxml", &backup_from) < 0)
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return false;
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if (!backup_from) {
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backup_buffer = g_strdup("<domainbackup/>");
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} else {
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if (virFileReadAll(backup_from, VSH_MAX_XML_FILE, &backup_buffer) < 0) {
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vshSaveLibvirtError();
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return false;
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}
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}
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if (vshCommandOptStringReq(ctl, cmd, "checkpointxml", &check_from) < 0)
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return false;
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if (check_from) {
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if (virFileReadAll(check_from, VSH_MAX_XML_FILE, &check_buffer) < 0) {
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vshSaveLibvirtError();
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return false;
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}
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}
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if (virDomainBackupBegin(dom, backup_buffer, check_buffer, flags) < 0)
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return false;
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vshPrint(ctl, _("Backup started\n"));
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return true;
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}
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/*
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* "backup-dumpxml" command
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*/
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static const vshCmdInfo info_backup_dumpxml[] = {
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{.name = "help",
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.data = N_("Dump XML for an ongoing domain block backup job")
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},
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{.name = "desc",
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.data = N_("Backup Dump XML")
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},
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{.name = NULL}
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};
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static const vshCmdOptDef opts_backup_dumpxml[] = {
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VIRSH_COMMON_OPT_DOMAIN_FULL(0),
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{.name = NULL}
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};
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static bool
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cmdBackupDumpXML(vshControl *ctl,
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const vshCmd *cmd)
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{
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g_autoptr(virshDomain) dom = NULL;
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g_autofree char *xml = NULL;
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if (!(dom = virshCommandOptDomain(ctl, cmd, NULL)))
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return false;
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if (!(xml = virDomainBackupGetXMLDesc(dom, 0)))
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return false;
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vshPrint(ctl, "%s", xml);
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return true;
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}
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const vshCmdDef backupCmds[] = {
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{.name = "backup-begin",
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.handler = cmdBackupBegin,
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.opts = opts_backup_begin,
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.info = info_backup_begin,
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.flags = 0
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},
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{.name = "backup-dumpxml",
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.handler = cmdBackupDumpXML,
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.opts = opts_backup_dumpxml,
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.info = info_backup_dumpxml,
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.flags = 0
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},
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{.name = NULL}
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};
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