5:18 p.m.
Use virDomainInterfacesAddresses in virsh
tools/virsh-domain-monitor.c
* Introduce new command : domifaddr
virsh # domifaddr f18
Name MAC address IP address
---------------------------------------------------
lo 00:00:00:00:00:00 127.0.0.1/8 ::1/128
eth0 52:54:00:89:ad:35 192.168.102.142/24 fe80::5054:ff:fe89:ad35/64
eth1 52:54:00:d3:39:ee 192.168.103.183/24 fe80::5054:ff:fed3:39ee/64
eth2 52:54:00:fe:4c:4f 192.168.101.197/24 fe80::5054:ff:fefe:4c4f/64
eth3 52:54:00:89:4e:97 192.168.101.130/24 fe80::5054:ff:fe89:4e97/64
tools/virsh.pod
* Document new command
---
tools/virsh-domain-monitor.c | 99 ++++++++++++++++++++++++++++++++++++++++++++
tools/virsh.pod | 10 +++++
2 files changed, 109 insertions(+)
diff --git a/tools/virsh-domain-monitor.c b/tools/virsh-domain-monitor.c
index b29b82a..91efa71 100644
--- a/tools/virsh-domain-monitor.c
+++ b/tools/virsh-domain-monitor.c
@@ -1871,6 +1871,99 @@ cleanup:
}
#undef FILTER
+/* "domifaddr" command
+ */
+static const vshCmdInfo info_domifaddr[] = {
+ {"help", N_("Get network interfaces' addresses for a running
domain")},
+ {"desc", N_("Get network interfaces' addresses for a running
domain")},
+ {NULL, NULL}
+};
+
+static const vshCmdOptDef opts_domifaddr[] = {
+ {"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or
uuid")},
+ {"interface", VSH_OT_DATA, VSH_OFLAG_NONE, N_("network interface
name")},
+ {NULL, 0, 0, NULL}
+};
+
+static bool
+cmdDomIfAddr(vshControl *ctl, const vshCmd *cmd)
+{
+ virDomainPtr dom = NULL;
+ const char *interface = NULL;
+ virDomainInterfacePtr *ifaces = NULL;
+ size_t i, j;
+ int ifaces_count = 0;
+ unsigned int flags = 0;
+ bool ret = false;
+
+ if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
+ return false;
+
+ if (vshCommandOptString(cmd, "interface", &interface) < 0) {
+ goto cleanup;
+ }
+
+ if ((ifaces_count = virDomainInterfacesAddresses(dom, &ifaces, flags)) < 0) {
+ vshError(ctl, _("Failed to query for interfaces addresses"));
+ goto cleanup;
+ }
+
+ vshPrintExtra(ctl, " %-10s %-17s %s\n%s\n",
+ _("Name"), _("MAC address"), _("IP
address"),
+ "---------------------------------------------------");
+
+ for (i = 0; i < ifaces_count; i++) {
+ virDomainInterfacePtr iface = ifaces[i];
+ virBuffer buf = VIR_BUFFER_INITIALIZER;
+ const char *hwaddr = "";
+ const char *ip_addr_str = NULL;
+
+ if (interface && STRNEQ(interface, iface->name)) {
+ virBufferFreeAndReset(&buf);
+ continue;
+ }
+
+ if (iface->hwaddr)
+ hwaddr = iface->hwaddr;
+
+ for (j = 0; j < iface->naddrs; j++) {
+ if (j)
+ virBufferAddChar(&buf, ' ');
+ virBufferAsprintf(&buf, "%s/%d",
+ iface->addrs[j].addr,
+ iface->addrs[j].prefix);
+ }
+
+ if (virBufferError(&buf)) {
+ virBufferFreeAndReset(&buf);
+ virReportOOMError();
+ return ret;
+ }
+
+ ip_addr_str = virBufferContentAndReset(&buf);
+
+ if (!ip_addr_str)
+ ip_addr_str = "";
+
+ vshPrintExtra(ctl, " %-10s %-17s %s\n",
+ iface->name, hwaddr, ip_addr_str);
+
+ virBufferFreeAndReset(&buf);
+ }
+
+ ret = true;
+
+cleanup:
+ for (i = 0; i < ifaces_count; i++) {
+ if (ifaces[i])
+ virDomainInterfaceFree(ifaces[i]);
+ }
+ VIR_FREE(ifaces);
+
+ virDomainFree(dom);
+ return ret;
+}
+
const vshCmdDef domMonitoringCmds[] = {
{.name = "domblkerror",
.handler = cmdDomBlkError,
@@ -1944,5 +2037,11 @@ const vshCmdDef domMonitoringCmds[] = {
.info = info_list,
.flags = 0
},
+ {.name = "domifaddr",
+ .handler = cmdDomIfAddr,
+ .opts = opts_domifaddr,
+ .info = info_domifaddr,
+ .flags = 0
+ },
{.name = NULL}
};
diff --git a/tools/virsh.pod b/tools/virsh.pod
index 0ae5178..008ffea 100644
--- a/tools/virsh.pod
+++ b/tools/virsh.pod
@@ -636,6 +636,16 @@ B<Explanation of fields> (fields appear in the following
order):
flush_total_times - total time flush operations took (ns)
<-- other fields provided by hypervisor -->
+
+=item B<domifaddr> I<domain> [I<interface>]
+
+Get a list of interfaces of a running domain along with their IP and MAC
+addresses, or limited output just for one interface if I<interface> is
+specified. Note, that I<interface> can be driver dependent, it can be
+the name within guest OS or the name you would see in domain XML.
+Moreover, the whole command may require a guest agent to be configured
+for the queried domain under some drivers, notably qemu.
+
=item B<domifstat> I<domain> I<interface-device>
Get network interface stats for a running domain.
--
1.7.11.7