// NewAPIAuthenticator gets the state and api info once from the
// provisioner API.
func NewAPIAuthenticator(st *apiprovisioner.State) (AuthenticationProvider, error) {
stateAddresses, err := st.StateAddresses()
if err != nil {
return nil, err
}
apiAddresses, err := st.APIAddresses()
if err != nil {
return nil, err
}
caCert, err := st.CACert()
if err != nil {
return nil, err
}
stateInfo := &MongoInfo{
Info: mongo.Info{
Addrs: stateAddresses,
CACert: caCert,
},
}
apiInfo := &api.Info{
Addrs: apiAddresses,
CACert: caCert,
}
return &simpleAuth{stateInfo, apiInfo}, nil
}
func containerManagerConfig(
containerType instance.ContainerType,
provisioner *apiprovisioner.State,
agentConfig agent.Config,
) (container.ManagerConfig, error) {
// Ask the provisioner for the container manager configuration.
managerConfigResult, err := provisioner.ContainerManagerConfig(
params.ContainerManagerConfigParams{Type: containerType},
)
if params.IsCodeNotImplemented(err) {
// We currently don't support upgrading;
// revert to the old configuration.
managerConfigResult.ManagerConfig = container.ManagerConfig{container.ConfigName: "juju"}
}
if err != nil {
return nil, err
}
// If a namespace is specified, that should instead be used as the config name.
if namespace := agentConfig.Value(agent.Namespace); namespace != "" {
managerConfigResult.ManagerConfig[container.ConfigName] = namespace
}
managerConfig := container.ManagerConfig(managerConfigResult.ManagerConfig)
return managerConfig, nil
}