func (c *BootstrapCommand) startMongo(addrs []network.Address, agentConfig agent.Config) error {
logger.Debugf("starting mongo")
info, ok := agentConfig.MongoInfo()
if !ok {
return fmt.Errorf("no state info available")
}
// When bootstrapping, we need to allow enough time for mongo
// to start as there's no retry loop in place.
// 5 minutes should suffice.
mongoDialOpts := mongo.DialOpts{Timeout: 5 * time.Minute}
dialInfo, err := mongo.DialInfo(info.Info, mongoDialOpts)
if err != nil {
return err
}
servingInfo, ok := agentConfig.StateServingInfo()
if !ok {
return fmt.Errorf("agent config has no state serving info")
}
// Use localhost to dial the mongo server, because it's running in
// auth mode and will refuse to perform any operations unless
// we dial that address.
dialInfo.Addrs = []string{
net.JoinHostPort("127.0.0.1", fmt.Sprint(servingInfo.StatePort)),
}
logger.Debugf("calling ensureMongoServer")
ensureServerParams, err := cmdutil.NewEnsureServerParams(agentConfig)
if err != nil {
return err
}
err = cmdutil.EnsureMongoServer(ensureServerParams)
if err != nil {
return err
}
peerAddr := mongo.SelectPeerAddress(addrs)
if peerAddr == "" {
return fmt.Errorf("no appropriate peer address found in %q", addrs)
}
peerHostPort := net.JoinHostPort(peerAddr, fmt.Sprint(servingInfo.StatePort))
if err := initiateMongoServer(peergrouper.InitiateMongoParams{
DialInfo: dialInfo,
MemberHostPort: peerHostPort,
}); err != nil {
return err
}
logger.Infof("started mongo")
return nil
}
// ensureMongoServer ensures that mongo is installed and running,
// and ready for opening a state connection.
func (a *MachineAgent) ensureMongoServer(agentConfig agent.Config) (err error) {
a.mongoInitMutex.Lock()
defer a.mongoInitMutex.Unlock()
if a.mongoInitialized {
logger.Debugf("mongo is already initialized")
return nil
}
defer func() {
if err == nil {
a.mongoInitialized = true
}
}()
mongoInstalled, err := mongo.IsServiceInstalled()
if err != nil {
return errors.Annotate(err, "error while checking if mongodb service is installed")
}
if !mongoInstalled {
// EnsureMongoServer installs/upgrades the init config as necessary.
ensureServerParams, err := cmdutil.NewEnsureServerParams(agentConfig)
if err != nil {
return err
}
if err := cmdutil.EnsureMongoServer(ensureServerParams); err != nil {
return err
}
}
logger.Debugf("mongodb service is installed")
// Mongo is installed, record the version.
err = a.ChangeConfig(func(config agent.ConfigSetter) error {
config.SetMongoVersion(mongo.InstalledVersion())
return nil
})
if err != nil {
return errors.Annotate(err, "cannot set mongo version")
}
return nil
}