Managing the cloud using the command line¶

This section describes some of the more common commands to view and manage the cloud.

Log in to any utility container to run the following commands:

List images¶

The openstack image list command shows details about currently available images:

$ openstack image list
+------------------+--------------+--------+
|         ID       |    Name      | Status |
+------------------+--------------+--------+
| [ID truncated]   | ExaeImage | active |
+------------------+--------------+--------+

List compute services¶

The openstack compute service list command details the currently running compute services:

$ openstack compute service list
+------------------+------------+----------+---------+-------+----------------------------+
| Binary           | Host       | Zone     | Status  | State | Updated_at                 |
+------------------+------------+----------+---------+-------+----------------------------+
| nova-consoleauth | controller | internal | enabled | up    | 2017-02-21T20:25:17.000000 |
| nova-scheduler   | controller | internal | enabled | up    | 2017-02-21T20:25:18.000000 |
| nova-conductor   | controller | internal | enabled | up    | 2017-02-21T20:25:20.000000 |
| nova-compute     | compute    | nova     | enabled | up    | 2017-02-21T20:25:20.000000 |
+------------------+------------+----------+---------+-------+----------------------------+

List flavors¶

The openstack flavor list command lists the flavors that are available. These are different disk sizes that can be assigned to images:

$ openstack flavor list
+-----+-----------+-------+------+-----------+-------+-----------+
| ID  | Name      |   RAM | Disk | Ephemeral | VCPUs | Is Public |
+-----+-----------+-------+------+-----------+-------+-----------+
| 1   | m1.tiny   |   512 |    1 |         0 |     1 | True      |
| 2   | m1.small  |  2048 |   20 |         0 |     1 | True      |
| 3   | m1.medium |  4096 |   40 |         0 |     2 | True      |
| 4   | m1.large  |  8192 |   80 |         0 |     4 | True      |
| 5   | m1.xlarge | 16384 |  160 |         0 |     8 | True      |
+-----+-----------+-------+------+-----------+-------+-----------+

List floating IP addresses¶

he openstack floating ip list command lists the currently available floating IP addresses and the instances they are associated with:

$ openstack floating ip list
+------------------+---------------------+------------------+---------+-------------------+---------------+
| ID               | Floating IP Address | Fixed IP Address | Port    | Floating Network  | Project       |
+------------------+---------------------+------------------+---------+-------------------+---------------+
| 0a88589a-ffac... | 192.168.12.7        | None             | None    | d831dac6-028c...  | 32db2ccf2a... |
+------------------+---------------------+------------------+---------+-------------------+---------------+

For more information about OpenStack client utilities, see these links: