Exemplo n.º 1
0
func (e *environ) Bootstrap(ctx environs.BootstrapContext, args environs.BootstrapParams) error {
	selectedTools, err := common.EnsureBootstrapTools(ctx, e, config.PreferredSeries(e.Config()), args.Constraints.Arch)
	if err != nil {
		return err
	}

	defer delay()
	if err := e.checkBroken("Bootstrap"); err != nil {
		return err
	}
	password := e.Config().AdminSecret()
	if password == "" {
		return fmt.Errorf("admin-secret is required for bootstrap")
	}
	if _, ok := e.Config().CACert(); !ok {
		return fmt.Errorf("no CA certificate in environment configuration")
	}

	logger.Infof("would pick tools from %s", selectedTools)
	cfg, err := environs.BootstrapConfig(e.Config())
	if err != nil {
		return fmt.Errorf("cannot make bootstrap config: %v", err)
	}

	estate, err := e.state()
	if err != nil {
		return err
	}
	estate.mu.Lock()
	defer estate.mu.Unlock()
	if estate.bootstrapped {
		return fmt.Errorf("environment is already bootstrapped")
	}
	// Write the bootstrap file just like a normal provider. However
	// we need to release the mutex for the save state to work, so regain
	// it after the call.
	estate.mu.Unlock()
	if err := bootstrap.SaveState(e.Storage(), &bootstrap.BootstrapState{StateInstances: []instance.Id{"localhost"}}); err != nil {
		logger.Errorf("failed to save state instances: %v", err)
		estate.mu.Lock() // otherwise defered unlock will fail
		return err
	}
	estate.mu.Lock() // back at it

	if e.ecfg().stateServer() {
		// TODO(rog) factor out relevant code from cmd/jujud/bootstrap.go
		// so that we can call it here.

		info := stateInfo()
		st, err := state.Initialize(info, cfg, state.DefaultDialOpts(), estate.statePolicy)
		if err != nil {
			panic(err)
		}
		if err := st.SetEnvironConstraints(args.Constraints); err != nil {
			panic(err)
		}
		if err := st.SetAdminMongoPassword(utils.UserPasswordHash(password, utils.CompatSalt)); err != nil {
			panic(err)
		}
		_, err = st.AddUser("admin", password)
		if err != nil {
			panic(err)
		}
		estate.apiServer, err = apiserver.NewServer(st, "localhost:0", []byte(testing.ServerCert), []byte(testing.ServerKey), DataDir, LogDir)
		if err != nil {
			panic(err)
		}
		estate.apiState = st
	}
	estate.bootstrapped = true
	estate.ops <- OpBootstrap{Context: ctx, Env: e.name, Args: args}
	return nil
}
Exemplo n.º 2
0
// StateWorker returns a worker running all the workers that require
// a *state.State connection.
func (a *MachineAgent) StateWorker() (worker.Worker, error) {
	agentConfig := a.CurrentConfig()

	// Create system-identity file
	if err := agent.WriteSystemIdentityFile(agentConfig); err != nil {
		return nil, err
	}

	// Start MondoDB server
	if err := a.ensureMongoServer(agentConfig); err != nil {
		return nil, err
	}
	st, m, err := openState(agentConfig)
	if err != nil {
		return nil, err
	}
	reportOpenedState(st)

	singularStateConn := singularStateConn{st.MongoSession(), m}
	runner := newRunner(connectionIsFatal(st), moreImportant)
	singularRunner, err := newSingularRunner(runner, singularStateConn)
	if err != nil {
		return nil, fmt.Errorf("cannot make singular State Runner: %v", err)
	}

	// Take advantage of special knowledge here in that we will only ever want
	// the storage provider on one machine, and that is the "bootstrap" node.
	providerType := agentConfig.Value(agent.ProviderType)
	if (providerType == provider.Local || provider.IsManual(providerType)) && m.Id() == bootstrapMachineId {
		a.startWorkerAfterUpgrade(runner, "local-storage", func() (worker.Worker, error) {
			// TODO(axw) 2013-09-24 bug #1229507
			// Make another job to enable storage.
			// There's nothing special about this.
			return localstorage.NewWorker(agentConfig), nil
		})
	}
	for _, job := range m.Jobs() {
		switch job {
		case state.JobHostUnits:
			// Implemented in APIWorker.
		case state.JobManageEnviron:
			useMultipleCPUs()
			a.startWorkerAfterUpgrade(runner, "instancepoller", func() (worker.Worker, error) {
				return instancepoller.NewWorker(st), nil
			})
			a.startWorkerAfterUpgrade(runner, "peergrouper", func() (worker.Worker, error) {
				return peergrouperNew(st)
			})
			runner.StartWorker("apiserver", func() (worker.Worker, error) {
				// If the configuration does not have the required information,
				// it is currently not a recoverable error, so we kill the whole
				// agent, potentially enabling human intervention to fix
				// the agent's configuration file. In the future, we may retrieve
				// the state server certificate and key from the state, and
				// this should then change.
				info, ok := agentConfig.StateServingInfo()
				if !ok {
					return nil, &fatalError{"StateServingInfo not available and we need it"}
				}
				port := info.APIPort
				cert := []byte(info.Cert)
				key := []byte(info.PrivateKey)

				if len(cert) == 0 || len(key) == 0 {
					return nil, &fatalError{"configuration does not have state server cert/key"}
				}
				dataDir := agentConfig.DataDir()
				logDir := agentConfig.LogDir()
				return apiserver.NewServer(
					st, fmt.Sprintf(":%d", port), cert, key, dataDir, logDir)
			})
			a.startWorkerAfterUpgrade(singularRunner, "cleaner", func() (worker.Worker, error) {
				return cleaner.NewCleaner(st), nil
			})
			a.startWorkerAfterUpgrade(singularRunner, "resumer", func() (worker.Worker, error) {
				// The action of resumer is so subtle that it is not tested,
				// because we can't figure out how to do so without brutalising
				// the transaction log.
				return resumer.NewResumer(st), nil
			})
			a.startWorkerAfterUpgrade(singularRunner, "minunitsworker", func() (worker.Worker, error) {
				return minunitsworker.NewMinUnitsWorker(st), nil
			})
		case state.JobManageStateDeprecated:
			// Legacy environments may set this, but we ignore it.
		default:
			logger.Warningf("ignoring unknown job %q", job)
		}
	}
	return newCloseWorker(runner, st), nil
}