[RFC PATCH 10/10] virsh: add create backup command

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---
 po/POTFILES.in       |   1 +
 tools/Makefile.am    |   1 +
 tools/virsh-backup.c | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++
 tools/virsh-backup.h |  29 +++++++++++++++
 tools/virsh.c        |   2 +
 tools/virsh.h        |   1 +
 6 files changed, 135 insertions(+)
 create mode 100644 tools/virsh-backup.c
 create mode 100644 tools/virsh-backup.h

diff --git a/po/POTFILES.in b/po/POTFILES.in
index 2124eb0..5695498 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -283,6 +283,7 @@ src/xenconfig/xen_xl.c
 src/xenconfig/xen_xm.c
 tests/virpolkittest.c
 tools/libvirt-guests.sh.in
+tools/virsh-backup.c
 tools/virsh-console.c
 tools/virsh-domain-monitor.c
 tools/virsh-domain.c
diff --git a/tools/Makefile.am b/tools/Makefile.am
index 319abb2..7670509 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -201,6 +201,7 @@ virsh_SOURCES =							\
 		virsh-secret.c virsh-secret.h			\
 		virsh-snapshot.c virsh-snapshot.h		\
 		virsh-volume.c virsh-volume.h			\
+		virsh-backup.c virsh-backup.h			\
 		$(NULL)
 
 virsh_LDFLAGS = \
diff --git a/tools/virsh-backup.c b/tools/virsh-backup.c
new file mode 100644
index 0000000..1dde326
--- /dev/null
+++ b/tools/virsh-backup.c
@@ -0,0 +1,101 @@
+/*
+ * virsh-backup.c: Commands to manage domain backup
+ *
+ * Copyright (C) 2016 Virtuozzo
+ *
+ * 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 "internal.h"
+#include "virfile.h"
+#include "virsh-domain.h"
+#include "viralloc.h"
+
+#define VIRSH_COMMON_OPT_DOMAIN_FULL                       \
+    VIRSH_COMMON_OPT_DOMAIN(N_("domain name, id or uuid")) \
+
+/*
+ * "backup-create" command
+ */
+static const vshCmdInfo info_backup_create[] = {
+    {.name = "help",
+     .data = N_("Create a backup from XML")
+    },
+    {.name = "desc",
+     .data = N_("Create a disks backup from XML description")
+    },
+    {.name = NULL}
+};
+
+static const vshCmdOptDef opts_backup_create[] = {
+    VIRSH_COMMON_OPT_DOMAIN_FULL,
+    {.name = "xmlfile",
+     .type = VSH_OT_STRING,
+     .help = N_("domain backup XML")
+    },
+    {.name = NULL}
+};
+
+static bool
+cmdBackupCreate(vshControl *ctl, const vshCmd *cmd)
+{
+    virDomainPtr dom = NULL;
+    bool ret = false;
+    const char *from = NULL;
+    char *buffer = NULL;
+    unsigned int flags = 0;
+    virDomainBackupPtr backup = NULL;
+
+    if (!(dom = virshCommandOptDomain(ctl, cmd, NULL)))
+        goto cleanup;
+
+    if (vshCommandOptStringReq(ctl, cmd, "xmlfile", &from) < 0)
+        goto cleanup;
+
+    if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0) {
+        vshSaveLibvirtError();
+        goto cleanup;
+    }
+
+    if (!(backup = virDomainBackupCreateXML(dom, buffer, flags)))
+        goto cleanup;
+
+    vshPrint(ctl, _("Domain backup started from '%s'"), from);
+
+    ret = true;
+
+ cleanup:
+    VIR_FREE(buffer);
+    if (backup)
+        virDomainBackupFree(backup);
+    if (dom)
+        virDomainFree(dom);
+
+    return ret;
+}
+
+const vshCmdDef backupCmds[] = {
+    {.name = "backup-create",
+     .handler = cmdBackupCreate,
+     .opts = opts_backup_create,
+     .info = info_backup_create,
+     .flags = 0
+    },
+    {.name = NULL}
+};
diff --git a/tools/virsh-backup.h b/tools/virsh-backup.h
new file mode 100644
index 0000000..a155626
--- /dev/null
+++ b/tools/virsh-backup.h
@@ -0,0 +1,29 @@
+/*
+ * virsh-backup.h: Commands to manage domain backup
+ *
+ * Copyright (C) 2016 Virtuozzo
+ *
+ * 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/>.
+ *
+ */
+
+#ifndef VIRSH_BACKUP_H
+# define VIRSH_BACKUP_H
+
+# include "virsh.h"
+
+extern const vshCmdDef backupCmds[];
+
+#endif /* VIRSH_BACKUP_H */
diff --git a/tools/virsh.c b/tools/virsh.c
index 1068447..2df1103 100644
--- a/tools/virsh.c
+++ b/tools/virsh.c
@@ -71,6 +71,7 @@
 #include "virsh-secret.h"
 #include "virsh-snapshot.h"
 #include "virsh-volume.h"
+#include "virsh-backup.h"
 
 /* Gnulib doesn't guarantee SA_SIGINFO support.  */
 #ifndef SA_SIGINFO
@@ -876,6 +877,7 @@ static const vshCmdGrp cmdGroups[] = {
     {VIRSH_CMD_GRP_NODEDEV, "nodedev", nodedevCmds},
     {VIRSH_CMD_GRP_SECRET, "secret", secretCmds},
     {VIRSH_CMD_GRP_SNAPSHOT, "snapshot", snapshotCmds},
+    {VIRSH_CMD_GRP_BACKUP, "backup", backupCmds},
     {VIRSH_CMD_GRP_STORAGE_POOL, "pool", storagePoolCmds},
     {VIRSH_CMD_GRP_STORAGE_VOL, "volume", storageVolCmds},
     {VIRSH_CMD_GRP_VIRSH, "virsh", virshCmds},
diff --git a/tools/virsh.h b/tools/virsh.h
index fd552bb..839f36f 100644
--- a/tools/virsh.h
+++ b/tools/virsh.h
@@ -57,6 +57,7 @@
 # define VIRSH_CMD_GRP_NWFILTER         "Network Filter"
 # define VIRSH_CMD_GRP_SECRET           "Secret"
 # define VIRSH_CMD_GRP_SNAPSHOT         "Snapshot"
+# define VIRSH_CMD_GRP_BACKUP           "Backup"
 # define VIRSH_CMD_GRP_HOST_AND_HV      "Host and Hypervisor"
 # define VIRSH_CMD_GRP_VIRSH            "Virsh itself"
 
-- 
1.8.3.1

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