Open Stack

Hi Andrey,

We do a have a opensource Neutron based solution for VMware
vCenter-oriented environment in Kilo, please have look in the links below:

https://github.com/stackforge/networking-vsphere(For Kilo release woking in
progress)

https://github.com/hp-networking/ovsvapp(With Juno stable)


On Sun, Jan 25, 2015 at 4:01 PM, Kevin Benton <blak111 at gmail.com> wrote:

> Yes, you are correct that the suggestion is to have the integration layer
> in Neutron backed by 3rd party testing. However, there is nothing technical
> preventing you from specifying an arbitrary python path to load as a
> driver/plugin. If there is a lot of demand for vDS support, it might be
> worth considering.
>
> On Sat, Jan 24, 2015 at 3:25 AM, Andrey Danin <adanin at mirantis.com> wrote:
>
>> I agree. But, as far as I know [2], there should be a some kind of ML2
>> integration layer for each plugin, and it should be in Neutron code base
>> (see [1] for example). There is no vDS ML2 driver in Neutron at all and FF
>> will become soon. So, it seems we cannot manage to adjust a blueprint spec
>> [3], make it approved, refactor a code of the driver and provide a 3rd
>> party CI for that in such a short period before FF.
>>
>> [1] thin Mellanox ML2 driver https://review.openstack.org/#/c/148614/
>> [2]
>> http://specs.openstack.org/openstack/neutron-specs/specs/kilo/core-vendor-decomposition.html
>> [3] https://blueprints.launchpad.net/neutron/+spec/ml2-dvs-mech-driver
>>
>>
>>
>> On Sat, Jan 24, 2015 at 12:45 AM, Kevin Benton <blak111 at gmail.com> wrote:
>>
>>> It's worth noting that all Neutron ML2 drivers are required to move to
>>> their own repos starting in Kilo so installing an extra python package to
>>> use a driver will become part of the standard Neutron installation
>>> workflow. So I would suggest creating a stackforge project for the vDS
>>> driver and packaging it up.
>>>
>>> On Fri, Jan 23, 2015 at 11:39 AM, Andrey Danin <adanin at mirantis.com>
>>> wrote:
>>>
>>>> Hi, all,
>>>>
>>>> As you may know, Fuel 6.0 has an ability to deploy either a
>>>> KVM-oriented environment or a VMware vCenter-oriented environment. We wants
>>>> to go further and mix them together. A user should be able to run both
>>>> hypervisors in one OpenStack environment. We want to get it in Fuel 6.1.
>>>> Here is how we gonna do this.
>>>>
>>>> * When vCenter is used as a hypervisor the only way to use volumes with
>>>> it is to use Cinder VMDK backend. And vise versa, KVM cannot operate with
>>>> the volumes provided by Cinder VMDK backend. All that means that we should
>>>> have two separe infrastructures (a hypervisor + a volume service) for each
>>>> HV presented in environment. To do that we decided to place corresponding
>>>> nova-compute and cinder-volume instances into different Availability Zones.
>>>> Also we want to disable 'cross_az_attach' option in nova.conf to restrict a
>>>> user to mount a volume to an instance which doesn't support this volume
>>>> type.
>>>>
>>>> * A cinder-volume service is just a proxy between vCenter Datastore and
>>>> Glance when used with VMDK. It means that the service itself doesn't need a
>>>> local hard drive but sometimes can significantly consume network. That's
>>>> why it's not a good idea to always put it to a Controller node. So, we want
>>>> to add a new role called 'cinder-vmdk'. A user will be able to put this
>>>> role to whatever node he wants: a separate node or combine with other
>>>> roles. HA will be achieved by placing the role on two or more nodes.
>>>> Cinder-volume services on each node will be configured identicaly,
>>>> including 'host' stanza. We have the same approach now for Cinder+Ceph.
>>>>
>>>> * Nova-compute services for vCenter are kept running on Controller
>>>> nodes. They are managed by Corosync.
>>>>
>>>> * There are two options for network backend exist. A good old
>>>> Nova-network and a modern Neutron with ML2 DVS driver enabled. The problem
>>>> with Nova-network is that we have to run it in 'singlehost' mode. It means,
>>>> that the only nova-network service will be running for the whole
>>>> environment. It makes the service a single point of failure, prevents a
>>>> user to use Security Groups, and increases a network consuming for the node
>>>> where the service is running. The problem with Neutron is that there is no
>>>> ML2 DVS driver in an upstream Neutron for Juno and even Kilo. The is an
>>>> unmerged patch [1] with almost no chances to get in Kilo. Good news are
>>>> that we managed to run a PoC lab with this driver and both HVs enabled. So,
>>>> we can build the driver as a package but it'll be a little ugly. That's why
>>>> we picked the Nova-network approach as a basis. In Cluster creation wizard
>>>> will be something to choose if you want to use vCenter in a cluster or not.
>>>> Depending on it the nova-network service will be run in the 'singlenode' or
>>>> 'multinode' mode. May be, if we have enough resources we'll implement a
>>>> Neutron + vDS support also.
>>>>
>>>> * We are going to move all VMWare-specific settings to a separate UI
>>>> tab. On the Settings tab we will keep a Glance backend switch (Swift, Ceph,
>>>> VMware) and a libvirt_type switch (KVM, qemu). At the cluster creation
>>>> wizard there will be a checkbox called 'add a VMware vCenter support into
>>>> your cloud'. When it's enabled a user can choose nova-network only.
>>>>
>>>> * OSTF test suit will be extended to support separate sets of tests for
>>>> each HV.
>>>>
>>>> [1] Neutron ML2 vDS driver https://review.openstack.org/#/c/111227/
>>>>
>>>> Links to blueprints:
>>>> https://blueprints.launchpad.net/fuel/+spec/vmware-ui-settings
>>>> https://blueprints.launchpad.net/fuel/+spec/cinder-vmdk-role
>>>> https://blueprints.launchpad.net/fuel/+spec/vmware-dual-hypervisor
>>>>
>>>>
>>>> I would appreciate to see your thoughts about all that.
>>>>
>>>>
>>>>
>>>> --
>>>> Andrey Danin
>>>> adanin at mirantis.com
>>>> skype: gcon.monolake
>>>>
>>>>
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>>>>
>>>
>>>
>>> --
>>> Kevin Benton
>>>
>>>
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>>>
>>
>>
>> --
>> Andrey Danin
>> adanin at mirantis.com
>> skype: gcon.monolake
>>
>> __________________________________________________________________________
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>> Unsubscribe:
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>>
>>
>
>
> --
> Kevin Benton
>
> __________________________________________________________________________
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>


-- 
*Regards,*

*Romil *
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