// APIInfo returns an api.Info for the environment. The result is populated
// with addresses and CA certificate, but no tag or password.
func APIInfo(env Environ) (*api.Info, error) {
instanceIds, err := env.ControllerInstances()
if err != nil {
return nil, err
}
logger.Debugf("ControllerInstances returned: %v", instanceIds)
addrs, err := waitAnyInstanceAddresses(env, instanceIds)
if err != nil {
return nil, err
}
defaultSpaceAddr, ok := network.SelectAddressBySpace(addrs, network.DefaultSpace)
if ok {
addrs = []network.Address{defaultSpaceAddr}
logger.Debugf("selected %q as API address in space %q", defaultSpaceAddr.Value, network.DefaultSpace)
} else {
logger.Warningf("using all API addresses (cannot pick by space %q): %+v", network.DefaultSpace, addrs)
}
config := env.Config()
cert, hasCert := config.CACert()
if !hasCert {
return nil, errors.New("config has no CACert")
}
apiPort := config.APIPort()
apiAddrs := network.HostPortsToStrings(
network.AddressesWithPort(addrs, apiPort),
)
uuid, uuidSet := config.UUID()
if !uuidSet {
return nil, errors.New("config has no UUID")
}
modelTag := names.NewModelTag(uuid)
apiInfo := &api.Info{Addrs: apiAddrs, CACert: cert, ModelTag: modelTag}
return apiInfo, nil
}
// initAPIHostPorts sets the initial API host/port addresses in state.
func initAPIHostPorts(c ConfigSetter, st *state.State, addrs []network.Address, apiPort int) error {
var hostPorts []network.HostPort
// First try to select the correct address using the default space where all
// API servers should be accessible on.
spaceAddr, ok := network.SelectAddressBySpace(addrs, network.DefaultSpace)
if ok {
logger.Debugf("selected %q as API address, using space %q", spaceAddr.Value, network.DefaultSpace)
hostPorts = network.AddressesWithPort([]network.Address{spaceAddr}, apiPort)
} else {
// Fallback to using all instead.
hostPorts = network.AddressesWithPort(addrs, apiPort)
}
return st.SetAPIHostPorts([][]network.HostPort{hostPorts})
}