openstack/nova
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Merge "Update docs to include standardization of VM diagnostics"

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Jenkins 2017-09-21 17:57:32 +00:00 committed by Gerrit Code Review
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doc/source/admin/common/nova-show-usage-statistics-for-hosts-instances.rst
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@ -90,6 +90,57 @@ Show instance usage statistics
#. Get diagnostic statistics:
.. note::
As of microversion v2.48, diagnostics information for all virt drivers will
have a standard format as below. For more details on diagnostics
response message see `server diagnostics api
<https://developer.openstack.org/api-ref/compute/#servers-diagnostics-servers-diagnostics>`__
documentation.
.. code-block:: console
$ nova diagnostics myCirrosServer
+----------------+------------------------------------------------------------------------+
| Property | Value |
+----------------+------------------------------------------------------------------------+
| config_drive | False |
| cpu_details | [] |
| disk_details | [{"read_requests": 887, "errors_count": -1, "read_bytes": 20273152, |
| | "write_requests": 89, "write_bytes": 303104}] |
| driver | libvirt |
| hypervisor | qemu |
| hypervisor_os | linux |
| memory_details | {"used": 0, "maximum": 0} |
| nic_details | [{"rx_packets": 9, "rx_drop": 0, "tx_octets": 1464, "tx_errors": 0, |
| | "mac_address": "fa:16:3e:fa:db:d3", "rx_octets": 958, "rx_rate": null, |
| | "rx_errors": 0, "tx_drop": 0, "tx_packets": 9, "tx_rate": null}] |
| num_cpus | 0 |
| num_disks | 1 |
| num_nics | 1 |
| state | running |
| uptime | 5528 |
+----------------+------------------------------------------------------------------------+
``config_drive`` indicates if the config drive is supported on the
instance.
``cpu_details`` contains a list of details per vCPU.
``disk_details`` contains a list of details per disk.
``driver`` indicates the current driver on which the VM is running.
``hypervisor`` indicates the current hypervisor on which the VM is running.
``nic_details`` containts a list of details per vNIC.
``uptime`` is the amount of time in seconds that the VM has been runnning.
|
Diagnostics prior to v2.48:
.. code-block:: console
$ nova diagnostics myCirrosServer