// ContainerTypeFromId returns the container type if machineId is a container id, or ""
// if machineId is not for a container.
func ContainerTypeFromId(machineId string) instance.ContainerType {
idParts := strings.Split(machineId, "/")
if len(idParts) < 3 {
return instance.ContainerType("")
}
return instance.ContainerType(idParts[len(idParts)-2])
}
func (*factorySuite) TestNewContainerManager(c *gc.C) {
for _, test := range []struct {
containerType instance.ContainerType
valid bool
}{{
containerType: instance.LXC,
valid: true,
}, {
containerType: instance.KVM,
valid: true,
}, {
containerType: instance.NONE,
valid: false,
}, {
containerType: instance.ContainerType("other"),
valid: false,
}} {
conf := container.ManagerConfig{container.ConfigName: "test"}
manager, err := factory.NewContainerManager(test.containerType, conf)
if test.valid {
c.Assert(err, gc.IsNil)
c.Assert(manager, gc.NotNil)
} else {
c.Assert(err, gc.ErrorMatches, `unknown container type: ".*"`)
c.Assert(manager, gc.IsNil)
}
}
}
// ContainerType returns the type of container hosting this machine.
func (m *Machine) ContainerType() instance.ContainerType {
return instance.ContainerType(m.doc.ContainerType)
}
func (c *environConfig) container() instance.ContainerType {
return instance.ContainerType(c.attrs["container"].(string))
}
