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From Udara Liyanage <ud...@wso2.com>
Subject Re: Assigning floating IPs to any interfaces of our choice
Date Wed, 12 Nov 2014 09:22:31 GMT
Hi Raj,

If I remember correctly, we can't assign folating ip to the same port
multiple times even I try with Openstack UI.

On Wed, Nov 12, 2014 at 2:47 PM, Rajkumar Rajaratnam <rajkumarr@wso2.com>
wrote:

> Hi Devs,
>
> I am working on $Subject. Please find the relevant JIRA at [1]
>
> Currently Stratos will assign a floating IP to eth0 if *autoAssignIp*
> property is set to false in cartridge definition. AFAIU, stratos is using
> jclouds API to query the available floating IPs, choose one and assign it
> to the instance. Correct me if this is not the case.
>
> In order to support $Subject, I am proposing the cartridge definition as
> below;
>
> { "type":"mysql", "provider":"data", "host":"apachestratos.org", "
> displayName":"MySQL", "description":"MySQL Cartridge", "version":"5.5", "
> multiTenant":"false", "portMapping":[ { "protocol":"http", "port":"80", "
> proxyPort":"8280" } ], "deployment":{  }, "iaasProvider":[ { "type":"
> openstack", "imageId":"RegionOne/1cd412c1-54ce-405f-9894-ce1387073c6c", "
> networkInterfaces":[ { "name":"netOne", "networkUuid":"
> 84d52a6d-a9e5-472a-9935-a0e195fe5b4a", "fixedIp":"10.0.1.4" }, { "name":"
> netTwo", "networkUuid":"512e1f54-1e85-4dac-b2e6-f0b30fc552cf", "
> publicNetworkUuids":[ { "name":"externalOne", "networkUuid":"
> 8f08a69d-cb46-43c9-9ebe-b89dcc78dacc", }, { "name":"externalTwo", "
> networkUuid":"b5504321-e7aa-4500-9e00-7bc1b10cb5e9", } ] }, { "name":"
> netThree", "networkUuid":"b55f009a-1cc6-4b17-924f-4ae0ee18db5e", "
> publicNetworkUuids":[ { "name":"externalThree", "networkUuid":"
> 83d52a6d-a9e5-572a-9935-a0e195fe5b4r", } ] } ], "maxInstanceLimit":"4", "
> property":[ { "name":"instanceType", "value":"RegionOne/4" }, { "name":"
> keyPair", "value":"raj" }, { "name":"autoAssignIp", "value":"false" } ] }
> ], "loadBalancer":{ "type":"lb", "property":{ "name":"no.load.balancer", "
> value":"true" } }}
>
>
> So, I have introduced some additional elements here in networks section.
> publicNetworkUuids will hold one or many external network UUIDs from where
> you want to select one IP and assign it the corresponding interface. Let
> list me three behaviors, as of now, I have identified.
>
>    1. If *autoAssignIp* property is *true*, stratos will not do anything
>    regarding floating IPs when creating instances for this cartridge. But
>    openstack will assign a floating IP to the instance.
>    2. If *autoAssignIp* property is *false*, and you *don't *specify any
>    publicNetworkUuids for any interface, then stratos will assign a floating
>    IP to the 1st interface
>    3. If *autoAssignIp* property is *false*, and you
>    specify publicNetworkUuids, then stratos will assign floating IPs per
>    interfaces for which you specified publicNetworkUuids. If you specify
>    two publicNetworkUuids for an interface, it will assign two floating IPs to
>    that interface and so on.
>
>
> However, I tried to assign two floating IP addresses to an interface which
> resulted in the following error.
>
> *Error: *409-{u'NeutronError': {u'message': u'Cannot associate floating
> IP 192.168.17.96 (5691eb81-3153-4ee1-b9d0-31fc84516b03) with port
> 7e9416ce-5077-44c4-97db-b4b14c10dfc9 using fixed IP 10.0.0.167, as that
> fixed IP already has a floating IP on external network
> ba667f72-7ba8-4b24-b360-b74a0211c83c.', u'type':
> u'FloatingIPPortAlreadyAssociated', u'detail': u''}}
>
> I guess we can't assign multiple floating IPs to the same interface from
> same network. We would be able to assign multiple floating IPs to the same
> interface from multiple networks. Since I am having only one external
> network, I couldn't test this. Any idea?
>
> Feel free to share your thoughts.
>
> 1. https://issues.apache.org/jira/browse/STRATOS-698
>
> Thanks.
>
> --
> Raj
>



-- 

Udara Liyanage
Software Engineer
WSO2, Inc.: http://wso2.com
lean. enterprise. middleware

web: http://udaraliyanage.wordpress.com
phone: +94 71 443 6897

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