The metadata modification functions will support modification of the XML
metadata. Add a virsh command to allow using this approach.
---
tools/virsh-domain.c | 161 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 161 insertions(+)
diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
index 0d00440..c880394 100644
--- a/tools/virsh-domain.c
+++ b/tools/virsh-domain.c
@@ -6810,6 +6810,161 @@ cleanup:
return ret;
}
+
+static const vshCmdInfo info_metadata[] = {
+ {.name = "help",
+ .data = N_("show or set domain's custom XML metadata")
+ },
+ {.name = "desc",
+ .data = N_("Allows to show or modify the XML metadata of a domain.")
+ },
+ {.name = NULL}
+};
+
+static const vshCmdOptDef opts_metadata[] = {
+ {.name = "domain",
+ .type = VSH_OT_DATA,
+ .flags = VSH_OFLAG_REQ,
+ .help = N_("domain name, id or uuid")
+ },
+ {.name = "live",
+ .type = VSH_OT_BOOL,
+ .help = N_("modify/get running state")
+ },
+ {.name = "config",
+ .type = VSH_OT_BOOL,
+ .help = N_("modify/get persistent configuration")
+ },
+ {.name = "current",
+ .type = VSH_OT_BOOL,
+ .help = N_("modify/get current state configuration")
+ },
+ {.name = "edit",
+ .type = VSH_OT_BOOL,
+ .help = N_("use an editor to change the metadata")
+ },
+ {.name = "uri",
+ .type = VSH_OT_DATA,
+ .flags = VSH_OFLAG_REQ,
+ .help = N_("URI of the namespace")
+ },
+ {.name = "key",
+ .type = VSH_OT_DATA,
+ .help = N_("key to be used as a namespace identificatior"),
+ },
+ {.name = "set",
+ .type = VSH_OT_DATA,
+ .help = N_("new metadata to set"),
+ },
+ {.name = "remove",
+ .type = VSH_OT_BOOL,
+ .help = N_("remove the metadata corresponding to an uri")
+ },
+ {.name = NULL}
+};
+
+
+/* helper to add new metadata using the --edit option */
+static char *
+vshDomainGetEditMetadata(vshControl *ctl,
+ virDomainPtr dom,
+ const char *uri,
+ unsigned int flags)
+{
+ char *ret;
+
+ if (!(ret = virDomainGetMetadata(dom, VIR_DOMAIN_METADATA_ELEMENT,
+ uri, flags))) {
+ vshResetLibvirtError();
+ ret = vshStrdup(ctl, "\n");
+ }
+
+ return ret;
+}
+
+
+static bool
+cmdMetadata(vshControl *ctl, const vshCmd *cmd)
+{
+ virDomainPtr dom;
+ bool config = vshCommandOptBool(cmd, "config");
+ bool live = vshCommandOptBool(cmd, "live");
+ bool current = vshCommandOptBool(cmd, "current");
+ bool edit = vshCommandOptBool(cmd, "edit");
+ bool remove = vshCommandOptBool(cmd, "remove");
+ const char *set = NULL;
+ const char *uri = NULL;
+ const char *key = NULL;
+ unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
+ bool ret = false;
+
+ VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
+ VSH_EXCLUSIVE_OPTIONS_VAR(current, config);
+ VSH_EXCLUSIVE_OPTIONS("edit", "set");
+ VSH_EXCLUSIVE_OPTIONS("remove", "set");
+ VSH_EXCLUSIVE_OPTIONS("remove", "edit");
+
+ if (config)
+ flags |= VIR_DOMAIN_AFFECT_CONFIG;
+ if (live)
+ flags |= VIR_DOMAIN_AFFECT_LIVE;
+
+ if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
+ return false;
+
+ if (vshCommandOptStringReq(ctl, cmd, "uri", &uri) < 0 ||
+ vshCommandOptStringReq(ctl, cmd, "key", &key) < 0 ||
+ vshCommandOptStringReq(ctl, cmd, "set", &set) < 0)
+ goto cleanup;
+
+ if ((set || edit) && !key) {
+ vshError(ctl, "%s",
+ _("namespace key is required when modifying metadata"));
+ goto cleanup;
+ }
+
+ if (set || remove) {
+ if (virDomainSetMetadata(dom, VIR_DOMAIN_METADATA_ELEMENT,
+ set, key, uri, flags))
+ goto cleanup;
+
+ if (remove)
+ vshPrint("%s\n", _("Metadata removed"));
+ else
+ vshPrint("%s\n", _("Metadata modified"));
+ } else if (edit) {
+#define EDIT_GET_XML \
+ vshDomainGetEditMetadata(ctl, dom, uri, flags)
+#define EDIT_NOT_CHANGED \
+ vshPrint(ctl, "%s", _("Metadata not changed")); \
+ ret = true; \
+ goto edit_cleanup;
+#define EDIT_DEFINE \
+ (virDomainSetMetadata(dom, VIR_DOMAIN_METADATA_ELEMENT, doc_edited, \
+ key, uri, flags) == 0)
+#define EDIT_FREE /* nothing */
+#include "virsh-edit.c"
+
+ vshPrint("%s\n", _("Metadata modified"));
+ } else {
+ char *data;
+ /* get */
+ if (!(data = virDomainGetMetadata(dom, VIR_DOMAIN_METADATA_ELEMENT,
+ uri, flags)))
+ goto cleanup;
+
+ vshPrint(ctl, "%s\n", data);
+ VIR_FREE(data);
+ }
+
+ ret = true;
+
+cleanup:
+ virDomainFree(dom);
+ return ret;
+}
+
+
/*
* "inject-nmi" command
*/
@@ -10595,6 +10750,12 @@ const vshCmdDef domManagementCmds[] = {
.info = info_memtune,
.flags = 0
},
+ {.name = "metadata",
+ .handler = cmdMetadata,
+ .opts = opts_metadata,
+ .info = info_metadata,
+ .flags = 0
+ },
{.name = "migrate",
.handler = cmdMigrate,
.opts = opts_migrate,
--
1.8.3.2
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