On Tue Dec 09 2014 at 7:49:32 AM Yuriy Zveryanskyy < yzveryans...@mirantis.com> wrote:
> On 12/09/2014 05:00 PM, Jim Rollenhagen wrote: > > On Tue, Dec 09, 2014 at 04:01:07PM +0400, Vladimir Kozhukalov wrote: > > >> Many many various cases are possible. If you ask why we'd like to > support > >> all those cases, the answer is simple: > >> because our users want us to support all those cases. > >> Obviously, many of those cases can not be implemented as image > internals, > >> some cases can not be also implemented on > >> configuration stage (placing root fs on lvm device). > >> > >> As far as those use cases were rejected to be implemented in term of > IPA, > >> we implemented so called Fuel Agent. > > This is *precisely* why I disagree with adding this driver. > > > > Nearly every feature that is listed here has been talked about before, > > within the Ironic community. Software RAID, LVM, user choosing the > > partition layout. These were reected from IPA because they do not fit in > > *Ironic*, not because they don't fit in IPA. > > Yes, they do not fit in Ironic *core* but this is a *driver*. > There is iLO driver for example. Good or bad is iLO management technology? > I don't know. But it is an existing vendor's solution. I should buy or rent > HP server for tests or experiments with iLO driver. Fuel is widely used > solution for deployment, and it is open-source. I think to have Fuel Agent > driver in Ironic will be better than driver for rare hardware XYZ for > example. > > This argument is completely hollow. Fuel is not a vendor-specific hardware-enablement driver. It *is* an open-source deployment driver providing much the same functionality as another open-source deployment driver which is already integrated with the project. To make my point another way, could I use Fuel with HP iLO driver? (the answer should be "yes" because they fill different roles within Ironic). But, on the other hand, could I use Fuel with the IPA driver? (nope - definitely not - they do the same thing.) -Deva
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