Add options to allow filtering by agent type and host on agent list

[Zhou Zhihong]

root@zhouzh:~# openstack network agent list
+--------------------------------------+--------------------+--------+-------------------+-------+-------+---------------------------+
| ID | Agent Type | Host | Availability Zone | Alive | State | Binary |
+--------------------------------------+--------------------+--------+-------------------+-------+-------+---------------------------+
| 053d4087-bad5-4dfa-8e1e-edde9fda6411 | L3 agent | zhouzh | nova | True | UP | neutron-l3-agent |
| 4541d4f1-721c-44cd-b22e-5e44d8fdb16b | Metadata agent | zhouzh | None | True | UP | neutron-metadata-agent |
| 93727ed5-0cc1-4868-9496-5565ae42f86e | Open vSwitch agent | zhouzh | None | True | UP | neutron-openvswitch-agent |
| f46be9bb-1b28-481e-9dee-81b9e90db273 | DHCP agent | zhouzh | nova | True | UP | neutron-dhcp-agent |
+--------------------------------------+--------------------+--------+-------------------+-------+-------+---------------------------+

If the agent number is large scale, it spend too many time via agent list with grep.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/398017

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/398017
Committed: https://git.openstack.org/cgit/openstack/python-openstackclient/commit/?id=2e78c11c8d485195b9ae40b9d00cf3a557aebd6d
Submitter: Jenkins
Branch: master

commit 2e78c11c8d485195b9ae40b9d00cf3a557aebd6d
Author: Zhou Zhihong <email address hidden>
Date: Wed Dec 21 18:27:26 2016 -0800

    Add options to allow filtering on agent list

    Add options to allow filtering via --agent-type
    and --host on agent list

    Change-Id: I1800f0777aa92a76b4b95f64f8acc18454809e81
    Closes-Bug: #1641868
    Partially-Implements: blueprint network-commands-options

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/python-openstackclient 3.7.0 release.