The way the gurus are consulted for network design and reservation makes it difficult to put this inside a guru. However it does seem odd to put this inside an element. Perhaps we need a 3rd type (IpAddressReserver?)
On 8/6/13 10:42 AM, "Soheil Eizadi" <seiz...@infoblox.com> wrote: >The NetworkGuru does a lot more than IP address allocation, e.g. handle >the Layer2/3 networking unique to the particular vendor. There are a lot >of NetworkElements providing their own NetworkGuru plugins (Nicira, >MidoNet, ...) extending the standard CloudStack Gurus. > >The feature of providing IP Address Allocation, DHCP and DNS is common >for all these networks, so rather than provide our own Guru the proposed >design would allow the above functions to coexist with existing Gurus. > >-Soheil >________________________________________ >From: Murali Reddy [murali.re...@citrix.com] >Sent: Tuesday, August 06, 2013 3:24 AM >To: dev@cloudstack.apache.org >Subject: Re: IP Address Allocation > >On 06/08/13 8:59 AM, "Soheil Eizadi" <seiz...@infoblox.com> wrote: > >>One way to achieve this behavior is to have a call out in prepareNic() to >>the NetworkElements before the call to the NetworkGuru allowing the >>NetworkElement to update the Nic Profile. In this use case the Network >>Element would suggest an IP Address. In the use case below the IP Address >>would be updated by the NetworkElement. There is logic in getIp(), the >>current IP Allocation that handles the case where the Nic Profile already >>has an IP Address. This needs to be updated to handle this new use case. >>The current use case assume that the VM had already been prepared once >>and has an IP Address allocated that could be reused. >> >>Does anyone see a problem with this approach? > >Purpose of Guru (to design the network) and Element (implement the >network) are different. Right way would be for your plug-in to implement >both network Guru and element and let the guru do the IP address >allocation. > >>-Soheil >>________________________________________ >>From: Soheil Eizadi [seiz...@infoblox.com] >>Sent: Monday, August 05, 2013 2:35 PM >>To: dev@cloudstack.apache.org >>Subject: IP Address Allocation >> >>I am trying to figure out what would be the proper way for a Plugin to >>interact with the CloudStack VM deployment and provide an authoritative >>IP Address from its database versus the local CloudStack database. It >>looks like the NetworkElements are not presented an opportunity to >>provide an IP Address and you must develop a NetworkGuru to provide this >>function. There is some customization of the IP Address designed into the >>Secondary NICs (see allocateGuestIP()). >>-Soheil >> > >
