On 03/11/2015 07:09 AM, Daniel P. Berrange wrote:
> From: Nehal J Wani <nehaljw.kkd1@xxxxxxxxx>
>
> tools/virsh-domain-monitor.c
> * Introduce new command : domifaddr
> Usage: domifaddr <domain> [interface] [--full] [--source lease|agent]
>
> Example outputs:
> virsh # domifaddr f20
> Name MAC address Protocol Address
> -------------------------------------------------------------------------------
> lo 00:00:00:00:00:00 ipv4 127.0.0.1/8
> - - ipv6 ::1/128
> eth0 52:54:00:2e:45:ce ipv4 10.1.33.188/24
> - - ipv6 2001:db8:0:f101::2/64
> - - ipv6 fe80::5054:ff:fe2e:45ce/64
> eth1 52:54:00:b1:70:19 ipv4 192.168.105.201/16
> - - ipv4 192.168.201.195/16
> - - ipv6 fe80::5054:ff:feb1:7019/64
> eth2 52:54:00:36:2a:e5 N/A N/A
> eth3 52:54:00:20:70:3d ipv4 192.168.105.240/16
> - - ipv6 fe80::5054:ff:fe20:703d/64
>
Does the above list now change with the default --source of lease?
Since the subsequent example lists --source agent, I suspect the above
may not be "correct" for eth0.
> virsh # domifaddr f20 eth1 --source lease
> Name MAC address Protocol Address
> -------------------------------------------------------------------------------
> eth1 52:54:00:b1:70:19 ipv4 192.168.105.201/16
> - - ipv4 192.168.201.195/16
> - - ipv6 fe80::5054:ff:feb1:7019/64
>
> virsh # domifaddr f20 eth0 --source agent --full
> Name MAC address Protocol Address
> -------------------------------------------------------------------------------
> eth0 52:54:00:2e:45:ce ipv4 10.1.33.188/24
> eth0 52:54:00:2e:45:ce ipv6 2001:db8:0:f101::2/64
> eth0 52:54:00:2e:45:ce ipv6 fe80::5054:ff:fe2e:45ce/64
>
> tools/virsh.pod
> * Document new command
>
> Signed-off-by: Nehal J Wani <nehaljw.kkd1@xxxxxxxxx>
> ---
> tools/virsh-domain-monitor.c | 146 +++++++++++++++++++++++++++++++++++++++++++
> tools/virsh.pod | 16 +++++
> 2 files changed, 162 insertions(+)
>
> diff --git a/tools/virsh-domain-monitor.c b/tools/virsh-domain-monitor.c
> index 464ac11..92ce152 100644
> --- a/tools/virsh-domain-monitor.c
> +++ b/tools/virsh-domain-monitor.c
> @@ -2197,6 +2197,146 @@ cmdDomstats(vshControl *ctl, const vshCmd *cmd)
> return ret;
> }
>
> +/* "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[] = {
> + {.name = "domain",
> + .type = VSH_OT_DATA,
> + .flags = VSH_OFLAG_REQ,
> + .help = N_("domain name, id or uuid")},
> + {.name = "interface",
> + .type = VSH_OT_STRING,
> + .flags = VSH_OFLAG_NONE,
> + .help = N_("network interface name")},
> + {.name = "full",
> + .type = VSH_OT_BOOL,
> + .flags = VSH_OFLAG_NONE,
> + .help = N_("display full fields")},
> + {.name = "source",
> + .type = VSH_OT_STRING,
> + .flags = VSH_OFLAG_NONE,
> + .help = N_("address source: 'lease' or 'agent'")},
> + {.name = 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;
> + bool ret = false;
> + bool full = vshCommandOptBool(cmd, "full");
> + const char *sourcestr = NULL;
> + int source = VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE;
> +
> + if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
> + return false;
> +
> + if (vshCommandOptString(cmd, "interface", &interface) < 0)
> + goto cleanup;
> + if (vshCommandOptString(cmd, "source", &sourcestr) < 0)
> + goto cleanup;
> +
> + if (sourcestr) {
> + if (STREQ(sourcestr, "lease")) {
> + source = VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE;
> + } else if (STREQ(sourcestr, "agent")) {
> + source = VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_AGENT;
> + } else {
> + vshError(ctl, _("Unknown data source '%s'"), sourcestr);
> + goto cleanup;
> + }
> + }
> +
> + if ((ifaces_count = virDomainInterfaceAddresses(dom, &ifaces, source, 0)) < 0) {
> + vshError(ctl, _("Failed to query for interfaces addresses"));
> + goto cleanup;
> + }
> +
> + vshPrintExtra(ctl, " %-10s %-20s %-8s %s\n%s%s\n", _("Name"),
> + _("MAC address"), _("Protocol"), _("Address"),
> + _("-------------------------------------------------"),
> + _("------------------------------"));
> +
> + for (i = 0; i < ifaces_count; i++) {
> + virDomainInterfacePtr iface = ifaces[i];
> + const char *hwaddr = "";
> + const char *ip_addr_str = NULL;
> + const char *type = NULL;
> +
> + if (interface && STRNEQ(interface, iface->name))
> + continue;
> +
> + hwaddr = iface->hwaddr;
> +
> + /* When the interface has no IP address */
> + if (!iface->naddrs) {
> + vshPrintExtra(ctl, " %-10s %-17s %-12s %s\n",
> + iface->name, hwaddr, "N/A", "N/A");
> + continue;
> + }
> +
> + for (j = 0; j < iface->naddrs; j++) {
> + virBuffer buf = VIR_BUFFER_INITIALIZER;
> +
> + switch (iface->addrs[j].type) {
> + case VIR_IP_ADDR_TYPE_IPV4:
> + type = "ipv4";
> + break;
> + case VIR_IP_ADDR_TYPE_IPV6:
> + type = "ipv6";
> + break;
> + }
> +
> + virBufferAsprintf(&buf, "%-12s %s/%d",
> + type, iface->addrs[j].addr,
> + iface->addrs[j].prefix);
> +
> + if (virBufferError(&buf)) {
> + virBufferFreeAndReset(&buf);
> + virReportOOMError();
> + goto cleanup;
> + }
> +
> + ip_addr_str = virBufferContentAndReset(&buf);
> +
> + if (!ip_addr_str)
> + ip_addr_str = "";
> +
> + /* Don't repeat interface name */
> + if (full || !j)
> + vshPrintExtra(ctl, " %-10s %-17s %s\n",
> + iface->name, hwaddr, ip_addr_str);
> + else
> + vshPrintExtra(ctl, " %-10s %-17s %s\n",
> + "-", "-", ip_addr_str);
> +
> + virBufferFreeAndReset(&buf);
> + }
> + }
> +
> + ret = true;
> +
> + cleanup:
> + if (ifaces && ifaces_count > 0) {
> + for (i = 0; i < ifaces_count; i++)
> + virDomainInterfaceFree(ifaces[i]);
> + }
> + VIR_FREE(ifaces);
> +
> + virDomainFree(dom);
> + return ret;
> +}
> +
> const vshCmdDef domMonitoringCmds[] = {
> {.name = "domblkerror",
> .handler = cmdDomBlkError,
> @@ -2234,6 +2374,12 @@ const vshCmdDef domMonitoringCmds[] = {
> .info = info_domif_getlink,
> .flags = 0
> },
> + {.name = "domifaddr",
> + .handler = cmdDomIfAddr,
> + .opts = opts_domifaddr,
> + .info = info_domifaddr,
> + .flags = 0
> + },
> {.name = "domiflist",
> .handler = cmdDomiflist,
> .opts = opts_domiflist,
> diff --git a/tools/virsh.pod b/tools/virsh.pod
> index e65378e..4190485 100644
> --- a/tools/virsh.pod
> +++ b/tools/virsh.pod
> @@ -730,6 +730,22 @@ 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>] [I<--full>]
> + [I<--source lease|agent>]
> +
> +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. If I<--full> is specified, the interface name is
> +always displayed when the interface has multiple addresses or alias, otherwise
> +it only displays the interface name for the first address, and "-" for the
> +others. The I<--source> argument specifies what data source to use for the
> +addresses, currently one of 'lease' to read DHCP leases, or 'agent' to query
> +the guest OS via an agent.
> +
If unspecified the default is 'lease'.
> =item B<domifstat> I<domain> I<interface-device>
>
> Get network interface stats for a running domain.
>
ACK with the cleanups
John
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