One could extend the VCloudNodeDriver._to_image() method to extract and include the VM network for each VM within the vApp template and store it within NodeImage.extra dictionary.
Patches are always welcome. ;) http://libcloud.apache.org/contributing.html On 20 April 2013 21:30, Kashif Ali <kas...@linuxcraft.co.uk> wrote: > I have the issue, that our vAPP is generic so we need to define which > network it will go in and by default it goes in DEV01-APP. > > The bad thing about this, as you have now confirmed their isn't a way to > grab which network has been defined in the vAPP, and in our case where we > may going from one org to another, we would need to know in advance what > the default network is. I will test by defining NO network and see if it > works, that will at least make things a little simpler. > > Thanks again > > Kash > > > On 20 Apr 2013, at 12:18, Sengor <seng...@gmail.com> wrote: > > > Hi, > > > > Glad it worked for you. From what I understand vApp templates created > > within a vCloud will always have ex_vm_network defined unless you import > > them from an external OVF (as the DMTF standard allows 0 or more Netowrk > > name elements). I have not tried your proposed combination so cannot tell > > if it'd work. This certainly places a limit on vApp template (image) > > portability amongst different cloud providers and is an area where cloud > > standards help. > > > > One of the deficiencies of the libcloud vCloud compute driver is you > cannot > > easily query the vApp template VM network name. That is you have to know > > the ex_vm_network in advance if it is not the same as organisation's > > ex_network. For this I normally enable libcloud debugging and inspect the > > raw XML when list_images in invoked as per > > http://libcloud.apache.org/docs/debugging.html > > > > In most situations I've seen neither of the arguments is required as vApp > > templates tend to originate from the same virtual organisation they are > > being instantiated in. > > > > > > > > > > > > On 20 April 2013 21:00, Kashif Ali <kas...@linuxcraft.co.uk> wrote: > > > >> I just tested, and I confirm it worked :) thank you for clarifying. > >> > >> so just to finish off, if the default network is not defined, > >> > >> Can I do: > >> > >> ex_vm_network = None > >> ex_network = <NEW DESIRED NETWORK> > >> > >> Kash > >> > >> > >> > >> On 20 Apr 2013, at 11:54, Sengor <seng...@gmail.com> wrote: > >> > >>> Yes your understanding is correct and should work as expected. > >>> > >>> > >>> > >>> > >>> On 20 April 2013 20:52, Kashif Ali <kas...@linuxcraft.co.uk> wrote: > >>> > >>>> Almost there, so when we are creating a vAPP - we can select the org > >>>> network: > >>>> > >>>> DEV01-APP > >>>> DEV01-DMZ > >>>> DEV01-DB > >>>> > >>>> So if I understand you correctly, because we have set the default > >> network > >>>> in the template to DEV01-APP, I have to set > >>>> > >>>> ex_vm_network=<DEFAULT in TEMPLATE> > >>>> ex_network=<NEW DESIRED NETWORK> > >>>> > >>>> ill test it out now :) > >>>> > >>>> Thanks > >>>> > >>>> Kash > >>>> > >>>> On 20 Apr 2013, at 11:48, Sengor <seng...@gmail.com> wrote: > >>>> > >>>>> Hi, > >>>>> > >>>>> I know what you mean now, the GUI associates vApp template's VM > network > >>>>> DEV01-APP to any organisational network you select from the list > >>>> (DEV01-DMZ > >>>>> or DEV01-DB). I can tell that the vApp template was created from an > >>>>> instantiated vApp originating on the DEV01-APP network. > >>>>> > >>>>> If you go through the API this association does not happen > >> automatically > >>>>> unless you set the following as part of create_node request: > >>>>> ex_vm_network="DEV01-APP" > >>>>> ex_network="DEV01-DMZ" > >>>>> > >>>>> > >>>>> This is exactly why those two variables exist in create_node. They > will > >>>>> associate the VM network from vApp template > (ex_vm_network="DEV01-APP") > >>>>> with the organisation network (ex_network="DEV01-DMZ") as part of the > >>>> vApp > >>>>> instantiation request. > >>>>> > >>>>> For reference: http://libcloud.apache.org/docs/compute-examples.html > >>>>> > >>>>> > >>>>> Let us know how you go... > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> On 20 April 2013 20:36, Kashif Ali <kas...@linuxcraft.co.uk> wrote: > >>>>> > >>>>>> Ok, > >>>>>> > >>>>>> So we have a vAPP, which defines a virtual machine, and by default > >> joins > >>>>>> it to the DEV01-APP network (ex_network and vm_network). > >>>>>> > >>>>>> If youcreate a new instance of the vAPP using the GUI you can change > >> the > >>>>>> network to DEV01-DMZ or DEV01-DB for example. > >>>>>> > >>>>>> What I wanted to do was create an instance via lib cloud and change > >> the > >>>>>> network to DEV01-DMZ, if I don't mention the network it defaults to > >>>>>> DEV01-APP (as defined in the template) and the instance is > >> successfully > >>>>>> created, however if I define ex_network and ex_vm_network I get the > >>>> error: > >>>>>> > >>>>>> The VCD entity network DEV01-APP does not exist. > >>>>>> > >>>>>> I do not understand why it still trying to use DEV01-APP when I have > >>>>>> defined DEV01-DMZ in the two variables. > >>>>>> > >>>>>> This is where I am confused… > >>>>>> > >>>>>> Kash. > >>>>>> > >>>>>> On 20 Apr 2013, at 11:30, Sengor <seng...@gmail.com> wrote: > >>>>>> > >>>>>>> Hi, > >>>>>>> > >>>>>>> Those arguments to create_node indicate which one of the virtual > >>>>>>> organisation networks (ex_network) to associate at runtime with > which > >>>> one > >>>>>>> of the vApp template VM networks (ex_vm_network) before a running > >> vApp > >>>>>> can > >>>>>>> be instantiated. > >>>>>>> > >>>>>>> They will not change any of the networks currently defined within > >> your > >>>>>>> virtual organisation or within your current vApp template (image). > >>>>>>> > >>>>>>> > >>>>>>> More info as to what you're trying to achieve would help. > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> On 20 April 2013 19:57, Kashif Ali <kas...@linuxcraft.co.uk> > wrote: > >>>>>>> > >>>>>>>> Hi, > >>>>>>>> > >>>>>>>> I was hoping someone could explain to me how I would go about > >> changing > >>>>>> my > >>>>>>>> vAPP or VM network using lib cloud when talking to vCloud. > >>>>>>>> > >>>>>>>> I tried setting the ex_network and the ex_vm_network however it > >> seems > >>>>>> that > >>>>>>>> it doesn't change the VM network :( > >>>>>>>> > >>>>>>>> Any advice would be appreciated. > >>>>>>>> > >>>>>>>> Regards > >>>>>>>> > >>>>>>>> Kash > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> -- > >>>>>>> sengork > >>>>>> > >>>>>> > >>>>> > >>>>> > >>>>> -- > >>>>> sengork > >>>> > >>>> > >>> > >>> > >>> -- > >>> sengork > >> > >> > > > > > > -- > > sengork > > -- sengork
