func (s *loginV2Suite) TestClientLoginToRootOldClient(c *gc.C) {
_, cleanup := s.setupServerWithValidator(c, nil)
defer cleanup()
info := s.APIInfo(c)
info.ModelTag = names.ModelTag{}
_, err := api.OpenWithVersion(info, api.DialOpts{}, 1)
c.Assert(err, gc.ErrorMatches, ".*not implemented.*")
}
func (s *loginV3Suite) TestClientLoginToRootOldClient(c *gc.C) {
_, cleanup := s.setupServerWithValidator(c, nil)
defer cleanup()
info := s.APIInfo(c)
info.ModelTag = names.ModelTag{}
_, err := api.OpenWithVersion(info, api.DialOpts{}, 2)
c.Assert(err, gc.ErrorMatches, ".*this version of Juju does not support login from old clients.*")
}
func (s *loginV2Suite) TestClientLoginToRootOldClient(c *gc.C) {
_, cleanup := s.setupServerWithValidator(c, nil)
defer cleanup()
info := s.APIInfo(c)
info.EnvironTag = names.EnvironTag{}
apiState, err := api.OpenWithVersion(info, api.DialOpts{}, 1)
c.Assert(err, jc.ErrorIsNil)
defer apiState.Close()
client := apiState.Client()
_, err = client.GetEnvironmentConstraints()
c.Assert(err, jc.ErrorIsNil)
}
func (s *clientSuite) TestDebugLogRootPath(c *gc.C) {
s.PatchValue(api.WebsocketDialConfig, echoURL(c))
// If the server is old, we log at "/log"
info := s.APIInfo(c)
info.EnvironTag = names.NewEnvironTag("")
apistate, err := api.OpenWithVersion(info, api.DialOpts{}, 1)
c.Assert(err, jc.ErrorIsNil)
defer apistate.Close()
reader, err := apistate.Client().WatchDebugLog(api.DebugLogParams{})
c.Assert(err, jc.ErrorIsNil)
connectURL := connectURLFromReader(c, reader)
c.Assert(connectURL.Path, gc.Matches, "/log")
}
func (s *clientSuite) TestConnectStreamRootPath(c *gc.C) {
s.PatchValue(api.WebsocketDialConfig, echoURL(c))
// If the server is old, we connect to /path.
info := s.APIInfo(c)
info.EnvironTag = names.NewEnvironTag("")
apistate, err := api.OpenWithVersion(info, api.DialOpts{}, 1)
c.Assert(err, jc.ErrorIsNil)
defer apistate.Close()
reader, err := apistate.ConnectStream("/path", nil)
c.Assert(err, jc.ErrorIsNil)
connectURL := connectURLFromReader(c, reader)
c.Assert(connectURL.Path, gc.Matches, "/path")
}
// APIOpen is an api.OpenFunc that wraps api.Open, and handles the edge
// case where a model has jumping several versions and doesn't yet have
// the model UUID cached in the agent config; in which case we fall back
// to login version 1.
//
// You probably want to use this in ManifoldConfig; *we* probably want to
// put this particular hack inside api.Open, but I seem to recall there
// being some complication last time I thought that was a good idea.
func APIOpen(info *api.Info, opts api.DialOpts) (api.Connection, error) {
if info.ModelTag.Id() == "" {
return api.OpenWithVersion(info, opts, 1)
}
return api.Open(info, opts)
}
// openAPIForAgent exists to handle the edge case that exists
// when an environment is jumping several versions and doesn't
// yet have the environment UUID cached in the agent config.
// This happens only the first time an agent tries to connect
// after an upgrade. If there is no environment UUID set, then
// use login version 1.
func openAPIForAgent(info *api.Info, opts api.DialOpts) (api.Connection, error) {
if info.EnvironTag.Id() == "" {
return api.OpenWithVersion(info, opts, 1)
}
return api.Open(info, opts)
}