Code review comment for lp:~danilo/juju-core/bug-1135335

Reviewers: mp+161377_code.launchpad.net,

Message:
Please take a look.

Description:
Support keypair auth for HP cloud

Add support for 'access-key' and 'secret-key' environment options (or
appropriate environment variables) when auth-mode is set to 'keypair'
(now supported). Make use of goose (see lp:~danilo/goose/bug-1135335)
to do the actual authentication.

This has been tested with the actual HP cloud we've got access to.

https://code.launchpad.net/~danilo/juju-core/bug-1135335/+merge/161377

(do not edit description out of merge proposal)

Please review this at https://codereview.appspot.com/8858049/

Affected files:
   A [revision details]
   M environs/openstack/config.go
   M environs/openstack/config_test.go
   M environs/openstack/local_test.go
   M environs/openstack/provider.go