// MachineConfig returns information from the environment config that is
// needed for machine cloud-init (for non-state servers only).
// It is exposed for testing purposes.
// TODO(rog) fix environs/manual tests so they do not need to
// call this, or move this elsewhere.
func MachineConfig(st *state.State, machineId, nonce, dataDir string) (*cloudinit.MachineConfig, error) {
environConfig, err := st.EnvironConfig()
if err != nil {
return nil, err
}
// Get the machine so we can get its series and arch.
// If the Arch is not set in hardware-characteristics,
// an error is returned.
machine, err := st.Machine(machineId)
if err != nil {
return nil, err
}
hc, err := machine.HardwareCharacteristics()
if err != nil {
return nil, err
}
if hc.Arch == nil {
return nil, fmt.Errorf("arch is not set for %q", machine.Tag())
}
// Find the appropriate tools information.
env, err := environs.New(environConfig)
if err != nil {
return nil, err
}
tools, err := findInstanceTools(env, machine.Series(), *hc.Arch)
if err != nil {
return nil, err
}
// Find the API endpoints.
apiInfo, err := environs.APIInfo(env)
if err != nil {
return nil, err
}
auth := authentication.NewAuthenticator(st.MongoConnectionInfo(), apiInfo)
mongoInfo, apiInfo, err := auth.SetupAuthentication(machine)
if err != nil {
return nil, err
}
// Find requested networks.
networks, err := machine.RequestedNetworks()
if err != nil {
return nil, err
}
mcfg := environs.NewMachineConfig(machineId, nonce, networks, mongoInfo, apiInfo)
if dataDir != "" {
mcfg.DataDir = dataDir
}
mcfg.Tools = tools
err = environs.FinishMachineConfig(mcfg, environConfig, constraints.Value{})
if err != nil {
return nil, err
}
return mcfg, nil
}
// InstanceConfig returns information from the environment config that
// is needed for machine cloud-init (for non-state servers only). It
// is exposed for testing purposes.
// TODO(rog) fix environs/manual tests so they do not need to call this, or move this elsewhere.
func InstanceConfig(st *state.State, machineId, nonce, dataDir string) (*instancecfg.InstanceConfig, error) {
environConfig, err := st.EnvironConfig()
if err != nil {
return nil, err
}
// Get the machine so we can get its series and arch.
// If the Arch is not set in hardware-characteristics,
// an error is returned.
machine, err := st.Machine(machineId)
if err != nil {
return nil, err
}
hc, err := machine.HardwareCharacteristics()
if err != nil {
return nil, err
}
if hc.Arch == nil {
return nil, fmt.Errorf("arch is not set for %q", machine.Tag())
}
// Find the appropriate tools information.
agentVersion, ok := environConfig.AgentVersion()
if !ok {
return nil, errors.New("no agent version set in environment configuration")
}
environment, err := st.Environment()
if err != nil {
return nil, err
}
urlGetter := common.NewToolsURLGetter(environment.UUID(), st)
toolsFinder := common.NewToolsFinder(st, st, urlGetter)
findToolsResult, err := toolsFinder.FindTools(params.FindToolsParams{
Number: agentVersion,
MajorVersion: -1,
MinorVersion: -1,
Series: machine.Series(),
Arch: *hc.Arch,
})
if err != nil {
return nil, err
}
if findToolsResult.Error != nil {
return nil, findToolsResult.Error
}
tools := findToolsResult.List[0]
// Find the API endpoints.
env, err := environs.New(environConfig)
if err != nil {
return nil, err
}
apiInfo, err := environs.APIInfo(env)
if err != nil {
return nil, err
}
auth := authentication.NewAuthenticator(st.MongoConnectionInfo(), apiInfo)
mongoInfo, apiInfo, err := auth.SetupAuthentication(machine)
if err != nil {
return nil, err
}
// Find requested networks.
networks, err := machine.RequestedNetworks()
if err != nil {
return nil, err
}
// Figure out if secure connections are supported.
info, err := st.StateServingInfo()
if err != nil {
return nil, err
}
secureServerConnection := info.CAPrivateKey != ""
icfg, err := instancecfg.NewInstanceConfig(machineId, nonce, env.Config().ImageStream(), machine.Series(), "",
secureServerConnection, networks, mongoInfo, apiInfo,
)
if err != nil {
return nil, err
}
if dataDir != "" {
icfg.DataDir = dataDir
}
icfg.Tools = tools
err = instancecfg.FinishInstanceConfig(icfg, environConfig)
if err != nil {
return nil, err
}
return icfg, nil
}