// FinishMachineConfig sets fields on a MachineConfig that can be determined by
// inspecting a plain config.Config and the machine constraints at the last
// moment before bootstrapping. It assumes that the supplied Config comes from
// an environment that has passed through all the validation checks in the
// Bootstrap func, and that has set an agent-version (via finding the tools to,
// use for bootstrap, or otherwise).
// TODO(fwereade) This function is not meant to be "good" in any serious way:
// it is better that this functionality be collected in one place here than
// that it be spread out across 3 or 4 providers, but this is its only
// redeeming feature.
func FinishMachineConfig(mcfg *cloudinit.MachineConfig, cfg *config.Config, cons constraints.Value) (err error) {
defer errors.Maskf(&err, "cannot complete machine configuration")
if err := PopulateMachineConfig(
mcfg,
cfg.Type(),
cfg.AuthorizedKeys(),
cfg.SSLHostnameVerification(),
cfg.ProxySettings(),
cfg.AptProxySettings(),
cfg.PreferIPv6(),
); err != nil {
return err
}
// The following settings are only appropriate at bootstrap time. At the
// moment, the only state server is the bootstrap node, but this
// will probably change.
if !mcfg.Bootstrap {
return nil
}
if mcfg.APIInfo != nil || mcfg.MongoInfo != nil {
return fmt.Errorf("machine configuration already has api/state info")
}
caCert, hasCACert := cfg.CACert()
if !hasCACert {
return fmt.Errorf("environment configuration has no ca-cert")
}
password := cfg.AdminSecret()
if password == "" {
return fmt.Errorf("environment configuration has no admin-secret")
}
passwordHash := utils.UserPasswordHash(password, utils.CompatSalt)
mcfg.APIInfo = &api.Info{Password: passwordHash, CACert: caCert}
mcfg.MongoInfo = &authentication.MongoInfo{Password: passwordHash, Info: mongo.Info{CACert: caCert}}
// These really are directly relevant to running a state server.
cert, key, err := cfg.GenerateStateServerCertAndKey()
if err != nil {
return errors.Annotate(err, "cannot generate state server certificate")
}
srvInfo := params.StateServingInfo{
StatePort: cfg.StatePort(),
APIPort: cfg.APIPort(),
Cert: string(cert),
PrivateKey: string(key),
SystemIdentity: mcfg.SystemPrivateSSHKey,
}
mcfg.StateServingInfo = &srvInfo
mcfg.Constraints = cons
if mcfg.Config, err = BootstrapConfig(cfg); err != nil {
return err
}
return nil
}
func controllerValues(config *config.Config) map[string]interface{} {
result := make(map[string]interface{})
result["state-port"] = config.StatePort()
result["api-port"] = config.APIPort()
result["controller-uuid"] = config.ControllerUUID()
// We ignore the second bool param from the CACert check as if there
// wasn't a CACert, there is no way we'd be importing a new model
// into the controller
result["ca-cert"], _ = config.CACert()
return result
}
// PrepareForBootstrap implements environs.EnvironProvider.PrepareForBootstrap.
func (p environProvider) PrepareForBootstrap(ctx environs.BootstrapContext, cfg *config.Config) (environs.Environ, error) {
cfg, err := p.PrepareForCreateEnvironment(cfg)
if err != nil {
return nil, errors.Trace(err)
}
// The user must not set bootstrap-ip; this is determined by the provider,
// and its presence used to determine whether the environment has yet been
// bootstrapped.
if _, ok := cfg.UnknownAttrs()["bootstrap-ip"]; ok {
return nil, errors.Errorf("bootstrap-ip must not be specified")
}
err = checkLocalPort(cfg.StatePort(), "state port")
if err != nil {
return nil, errors.Trace(err)
}
err = checkLocalPort(cfg.APIPort(), "API port")
if err != nil {
return nil, errors.Trace(err)
}
return p.Open(cfg)
}
// getStateInfo puts together the state.Info and api.Info for the given
// config, with the given state-server host names.
// The given config absolutely must have a CACert.
func getStateInfo(config *config.Config, hostnames []string) (*state.Info, *api.Info) {
cert, hasCert := config.CACert()
if !hasCert {
panic(errors.New("getStateInfo: config has no CACert"))
}
return &state.Info{
Info: mongo.Info{
Addrs: composeAddresses(hostnames, config.StatePort()),
CACert: cert,
},
}, &api.Info{
Addrs: composeAddresses(hostnames, config.APIPort()),
CACert: cert,
}
}
// FinishInstanceConfig sets fields on a InstanceConfig that can be determined by
// inspecting a plain config.Config and the machine constraints at the last
// moment before bootstrapping. It assumes that the supplied Config comes from
// an environment that has passed through all the validation checks in the
// Bootstrap func, and that has set an agent-version (via finding the tools to,
// use for bootstrap, or otherwise).
// TODO(fwereade) This function is not meant to be "good" in any serious way:
// it is better that this functionality be collected in one place here than
// that it be spread out across 3 or 4 providers, but this is its only
// redeeming feature.
func FinishInstanceConfig(icfg *InstanceConfig, cfg *config.Config) (err error) {
defer errors.DeferredAnnotatef(&err, "cannot complete machine configuration")
if err := PopulateInstanceConfig(
icfg,
cfg.Type(),
cfg.AuthorizedKeys(),
cfg.SSLHostnameVerification(),
cfg.ProxySettings(),
cfg.AptProxySettings(),
cfg.AptMirror(),
cfg.PreferIPv6(),
cfg.EnableOSRefreshUpdate(),
cfg.EnableOSUpgrade(),
); err != nil {
return errors.Trace(err)
}
if isStateInstanceConfig(icfg) {
// Add NUMACTL preference. Needed to work for both bootstrap and high availability
// Only makes sense for controller
logger.Debugf("Setting numa ctl preference to %v", cfg.NumaCtlPreference())
// Unfortunately, AgentEnvironment can only take strings as values
icfg.AgentEnvironment[agent.NumaCtlPreference] = fmt.Sprintf("%v", cfg.NumaCtlPreference())
}
// The following settings are only appropriate at bootstrap time. At the
// moment, the only controller is the bootstrap node, but this
// will probably change.
if !icfg.Bootstrap {
return nil
}
if icfg.APIInfo != nil || icfg.MongoInfo != nil {
return errors.New("machine configuration already has api/state info")
}
caCert, hasCACert := cfg.CACert()
if !hasCACert {
return errors.New("model configuration has no ca-cert")
}
password := cfg.AdminSecret()
if password == "" {
return errors.New("model configuration has no admin-secret")
}
icfg.APIInfo = &api.Info{
Password: password,
CACert: caCert,
ModelTag: names.NewModelTag(cfg.UUID()),
}
icfg.MongoInfo = &mongo.MongoInfo{Password: password, Info: mongo.Info{CACert: caCert}}
// These really are directly relevant to running a controller.
// Initially, generate a controller certificate with no host IP
// addresses in the SAN field. Once the controller is up and the
// NIC addresses become known, the certificate can be regenerated.
cert, key, err := cfg.GenerateControllerCertAndKey(nil)
if err != nil {
return errors.Annotate(err, "cannot generate controller certificate")
}
caPrivateKey, hasCAPrivateKey := cfg.CAPrivateKey()
if !hasCAPrivateKey {
return errors.New("model configuration has no ca-private-key")
}
srvInfo := params.StateServingInfo{
StatePort: cfg.StatePort(),
APIPort: cfg.APIPort(),
Cert: string(cert),
PrivateKey: string(key),
CAPrivateKey: caPrivateKey,
}
icfg.StateServingInfo = &srvInfo
if icfg.Config, err = bootstrapConfig(cfg); err != nil {
return errors.Trace(err)
}
return nil
}
// PrepareForBootstrap implements environs.EnvironProvider.PrepareForBootstrap.
func (p environProvider) PrepareForBootstrap(ctx environs.BootstrapContext, cfg *config.Config) (environs.Environ, error) {
attrs := map[string]interface{}{
// We must not proxy SSH through the API server in a
// local provider environment. Besides not being useful,
// it may not work; there is no requirement for sshd to
// be available on machine-0.
"proxy-ssh": false,
}
if _, ok := cfg.AgentVersion(); !ok {
attrs["agent-version"] = version.Current.String()
}
if namespace, _ := cfg.UnknownAttrs()["namespace"].(string); namespace == "" {
username := os.Getenv("USER")
if username == "" {
u, err := userCurrent()
if err != nil {
return nil, errors.Annotate(err, "failed to determine username for namespace")
}
username = u.Username
}
attrs["namespace"] = fmt.Sprintf("%s-%s", username, cfg.Name())
}
setIfNotBlank := func(key, value string) {
if value != "" {
attrs[key] = value
}
}
// If the user has specified no values for any of the four normal
// proxies, then look in the environment and set them.
logger.Tracef("Look for proxies?")
if cfg.HttpProxy() == "" &&
cfg.HttpsProxy() == "" &&
cfg.FtpProxy() == "" &&
cfg.NoProxy() == "" {
proxySettings := proxy.DetectProxies()
logger.Tracef("Proxies detected %#v", proxySettings)
setIfNotBlank(config.HttpProxyKey, proxySettings.Http)
setIfNotBlank(config.HttpsProxyKey, proxySettings.Https)
setIfNotBlank(config.FtpProxyKey, proxySettings.Ftp)
setIfNotBlank(config.NoProxyKey, proxySettings.NoProxy)
}
if jujuos.HostOS() == jujuos.Ubuntu {
if cfg.AptHttpProxy() == "" &&
cfg.AptHttpsProxy() == "" &&
cfg.AptFtpProxy() == "" {
proxySettings, err := detectPackageProxies()
if err != nil {
return nil, errors.Trace(err)
}
setIfNotBlank(config.AptHttpProxyKey, proxySettings.Http)
setIfNotBlank(config.AptHttpsProxyKey, proxySettings.Https)
setIfNotBlank(config.AptFtpProxyKey, proxySettings.Ftp)
}
}
cfg, err := cfg.Apply(attrs)
if err != nil {
return nil, errors.Trace(err)
}
// Make sure everything is valid.
cfg, err = p.Validate(cfg, nil)
if err != nil {
return nil, errors.Trace(err)
}
// The user must not set bootstrap-ip; this is determined by the provider,
// and its presence used to determine whether the environment has yet been
// bootstrapped.
if _, ok := cfg.UnknownAttrs()["bootstrap-ip"]; ok {
return nil, errors.Errorf("bootstrap-ip must not be specified")
}
err = checkLocalPort(cfg.StatePort(), "state port")
if err != nil {
return nil, errors.Trace(err)
}
err = checkLocalPort(cfg.APIPort(), "API port")
if err != nil {
return nil, errors.Trace(err)
}
return p.Open(cfg)
}
// Prepare implements environs.EnvironProvider.Prepare.
func (p environProvider) Prepare(ctx environs.BootstrapContext, cfg *config.Config) (environs.Environ, error) {
// The user must not set bootstrap-ip; this is determined by the provider,
// and its presence used to determine whether the environment has yet been
// bootstrapped.
if _, ok := cfg.UnknownAttrs()["bootstrap-ip"]; ok {
return nil, fmt.Errorf("bootstrap-ip must not be specified")
}
err := checkLocalPort(cfg.StatePort(), "state port")
if err != nil {
return nil, err
}
err = checkLocalPort(cfg.APIPort(), "API port")
if err != nil {
return nil, err
}
// If the user has specified no values for any of the three normal
// proxies, then look in the environment and set them.
attrs := map[string]interface{}{
// We must not proxy SSH through the API server in a
// local provider environment. Besides not being useful,
// it may not work; there is no requirement for sshd to
// be available on machine-0.
"proxy-ssh": false,
}
setIfNotBlank := func(key, value string) {
if value != "" {
attrs[key] = value
}
}
logger.Tracef("Look for proxies?")
if cfg.HttpProxy() == "" &&
cfg.HttpsProxy() == "" &&
cfg.FtpProxy() == "" &&
cfg.NoProxy() == "" {
proxySettings := proxy.DetectProxies()
logger.Tracef("Proxies detected %#v", proxySettings)
setIfNotBlank("http-proxy", proxySettings.Http)
setIfNotBlank("https-proxy", proxySettings.Https)
setIfNotBlank("ftp-proxy", proxySettings.Ftp)
setIfNotBlank("no-proxy", proxySettings.NoProxy)
}
if cfg.AptHttpProxy() == "" &&
cfg.AptHttpsProxy() == "" &&
cfg.AptFtpProxy() == "" {
proxySettings, err := detectAptProxies()
if err != nil {
return nil, err
}
setIfNotBlank("apt-http-proxy", proxySettings.Http)
setIfNotBlank("apt-https-proxy", proxySettings.Https)
setIfNotBlank("apt-ftp-proxy", proxySettings.Ftp)
}
if len(attrs) > 0 {
cfg, err = cfg.Apply(attrs)
if err != nil {
return nil, err
}
}
return p.Open(cfg)
}