func (s *archSuite) TestSupportedArchitecturesNone(c *gc.C) {
env, cloudSpec := s.setupMetadata(c, nil)
imageConstraint := imagemetadata.NewImageConstraint(simplestreams.LookupParams{
CloudSpec: cloudSpec,
})
arches, err := common.SupportedArchitectures(env, imageConstraint)
c.Assert(err, gc.IsNil)
c.Assert(arches, gc.HasLen, 0)
}
func (s *archSuite) TestSupportedArchitecturesMany(c *gc.C) {
env, cloudSpec := s.setupMetadata(c, []string{"ppc64", "amd64"})
imageConstraint := imagemetadata.NewImageConstraint(simplestreams.LookupParams{
CloudSpec: cloudSpec,
})
arches, err := common.SupportedArchitectures(env, imageConstraint)
c.Assert(err, gc.IsNil)
c.Assert(arches, jc.SameContents, []string{"amd64", "ppc64"})
}
// SupportedArchitectures is specified on the EnvironCapability interface.
func (env *joyentEnviron) SupportedArchitectures() ([]string, error) {
env.archLock.Lock()
defer env.archLock.Unlock()
if env.supportedArchitectures != nil {
return env.supportedArchitectures, nil
}
cfg := env.Ecfg()
// Create a filter to get all images from our region and for the correct stream.
cloudSpec := simplestreams.CloudSpec{
Region: cfg.Region(),
Endpoint: cfg.SdcUrl(),
}
imageConstraint := imagemetadata.NewImageConstraint(simplestreams.LookupParams{
CloudSpec: cloudSpec,
Stream: cfg.ImageStream(),
})
var err error
env.supportedArchitectures, err = common.SupportedArchitectures(env, imageConstraint)
return env.supportedArchitectures, err
}