Get CPU, memory, I/O, and network statistics for an instance.
List instances:
$ nova list +--------------------------------------+----------------------+--------+------------+-------------+------------------+ | ID | Name | Status | Task State | Power State | Networks | +--------------------------------------+----------------------+--------+------------+-------------+------------------+ | 84c6e57d-a6b1-44b6-81eb-fcb36afd31b5 | myCirrosServer | ACTIVE | None | Running | private=10.0.0.3 | | 8a99547e-7385-4ad1-ae50-4ecfaaad5f42 | myInstanceFromVolume | ACTIVE | None | Running | private=10.0.0.4 | +--------------------------------------+----------------------+--------+------------+-------------+------------------+
Get diagnostic statistics:
$ nova diagnostics myCirrosServer +------------------+----------------+ | Property | Value | +------------------+----------------+ | vnet1_rx | 1210744 | | cpu0_time | 19624610000000 | | vda_read | 0 | | vda_write | 0 | | vda_write_req | 0 | | vnet1_tx | 863734 | | vnet1_tx_errors | 0 | | vnet1_rx_drop | 0 | | vnet1_tx_packets | 3855 | | vnet1_tx_drop | 0 | | vnet1_rx_errors | 0 | | memory | 2097152 | | vnet1_rx_packets | 5485 | | vda_read_req | 0 | | vda_errors | -1 | +------------------+----------------+
Get summary statistics for each tenant:
$ nova usage-list Usage from 2013-06-25 to 2013-07-24: +----------------------------------+-----------+--------------+-----------+---------------+ | Tenant ID | Instances | RAM MB-Hours | CPU Hours | Disk GB-Hours | +----------------------------------+-----------+--------------+-----------+---------------+ | b70d90d65e464582b6b2161cf3603ced | 1 | 344064.44 | 672.00 | 0.00 | | 66265572db174a7aa66eba661f58eb9e | 3 | 671626.76 | 327.94 | 6558.86 | +----------------------------------+-----------+--------------+-----------+---------------+
