Visibility for network traffic using NetFlow

Registered by zhangyanxian

Visibility to network is very important for cloud deployer,they want to understand who, what, when, where, and how network traffic is flowing.NetFlow gives a detailed view of application flows on the network,maybe it's time to support the feature in neutron now.
Two areas of work need to do at least:
1. Neutron server should support the configuration for netflow feature e.g:
neutron netflow-create --physnet bridge target_ip target_port
neutron netflow-update --target_ip ip --target_port port netflow-uuid
neutron netflow-delete netflow-uuid
neutron netflow-list
neutron netflow-show netflow-uuid
2. Neutron ovs-agent should get the configuration from server,
and set to OpenvSwitch by ovs-vsctl command .

Blueprint information

Status:
Not started
Approver:
None
Priority:
Undefined
Drafter:
zhangyanxian
Direction:
Needs approval
Assignee:
zhangyanxian
Definition:
New
Series goal:
None
Implementation:
Unknown
Milestone target:
None

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