On Tue, Jan 24, 2017 at 12:54 AM John Meinel <j...@arbash-meinel.com> wrote:

> For your workaround, where does spec.Endpoint get filled in? By the user
> as part of bootstrap-contraints? or by juju as a default value? I don't see
> anything in your patch, which sounds like you would have to do:
>  juju bootstrap --bootstrap-constraints endpoint=HOSTIP lxd ...
> if you were working on a non-NAT bridge.
>
> Is that true?
>

The workaround involves adding a new cloud, as described in
https://bugs.launchpad.net/juju/+bug/1640455, Comment #9 and down.


> John
> =:->
>
>
> On Mon, Jan 23, 2017 at 3:07 PM, Andrew Wilkins <
> andrew.wilk...@canonical.com> wrote:
>
> On Mon, Jan 23, 2017 at 6:54 PM Toubeau, Anthony <
> anthony.toub...@intel.com> wrote:
>
> Hello all,
>
> I'd like to bring to your attention a currently broken bootstrapping
> scenario:
> Local deployment through LXD using a standard bridge instead of the usual
> LXD provided lxdbr0.
>
> As a development vehicle, a Juju install was planned reusing the
> LXD-host's network. This implies having the Juju agent plus the future
> charms on the same subnet as the actual LXD host.
> As detailed in Bug 1633788 (https://bugs.launchpad.net/juju/+bug/1633788),
> the LXD-host's gateway is assumed (based on the current code) to be
> providing the tools for the actual bootstrapping.
>
> But, in the "non-lxdbr0" case let's say, the actual gateway may only be a
> simple DHCP provider for example, hence leading to a failed deployment.
>
> Reference:
> https://github.com/juju/juju/blob/staging/provider/lxd/environ_raw.go#L140
>
> // getRemoteConfig returns a lxdclient.Config using a TCP-based remote
> // if called from within an instance started by the LXD provider.
> Otherwise,
> // it returns an errors satisfying errors.IsNotFound.
> func getRemoteConfig(readFile readFileFunc, runCommand runCommandFunc)
> (*lxdclient.Config, error) {
>     [...]
>
>     // Read here...
>     hostAddress, err := getDefaultGateway(runCommand)
>
>     [...]
>     return &lxdclient.Config{
>         lxdclient.Remote{
>             Name:          "remote",
>             Host:          hostAddress,
>             [...]
>         },
>     }, nil
>
>
> Is this behavior an assumed trend or could we consider fixing it to allow
> this sort of "localhost-based" deployments without NAT?
>
>
> A workaround has been implemented in the 2.1 branch, here:
>
> https://github.com/juju/juju/commit/19bf802db6511d2081369da2a3fe9b13f1bcb9fd
>
> To use this workaround, please see the comments on
> https://bugs.launchpad.net/juju/+bug/1640455. I'll mark that bug as a
> duplicate of #1633788 now.
>
> This is just a workaround though. We can go (and probably should) go back
> to doing what we were doing. That was also imperfect: there was a built-in
> assumption that the host's address would never change. The ideal solution
> requires that LXD be changed; changes which got bumped this cycle.
>
> I'll look at reverting the default behaviour ASAP, if nobody else gets to
> it first.
>
> HTH,
> Andrew
>
>
> Many thanks in advance,
> Anthony
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