Exemplo n.º 1
0
Arquivo: machine.go Projeto: bac/juju
// upgradeCertificateDNSNames ensure that the controller certificate
// recorded in the agent config and also mongo server.pem contains the
// DNSNames entries required by Juju.
func upgradeCertificateDNSNames(config agent.ConfigSetter) error {
	si, ok := config.StateServingInfo()
	if !ok || si.CAPrivateKey == "" {
		// No certificate information exists yet, nothing to do.
		return nil
	}

	// Validate the current certificate and private key pair, and then
	// extract the current DNS names from the certificate. If the
	// certificate validation fails, or it does not contain the DNS
	// names we require, we will generate a new one.
	var dnsNames set.Strings
	serverCert, _, err := cert.ParseCertAndKey(si.Cert, si.PrivateKey)
	if err != nil {
		// The certificate is invalid, so create a new one.
		logger.Infof("parsing certificate/key failed, will generate a new one: %v", err)
		dnsNames = set.NewStrings()
	} else {
		dnsNames = set.NewStrings(serverCert.DNSNames...)
	}

	update := false
	requiredDNSNames := []string{"local", "juju-apiserver", "juju-mongodb"}
	for _, dnsName := range requiredDNSNames {
		if dnsNames.Contains(dnsName) {
			continue
		}
		dnsNames.Add(dnsName)
		update = true
	}
	if !update {
		return nil
	}

	// Write a new certificate to the mongo pem and agent config files.
	si.Cert, si.PrivateKey, err = cert.NewDefaultServer(config.CACert(), si.CAPrivateKey, dnsNames.Values())
	if err != nil {
		return err
	}
	if err := mongo.UpdateSSLKey(config.DataDir(), si.Cert, si.PrivateKey); err != nil {
		return err
	}
	config.SetStateServingInfo(si)
	return nil
}
Exemplo n.º 2
0
// upgradeCertificateDNSNames ensure that the controller certificate
// recorded in the agent config and also mongo server.pem contains the
// DNSNames entires required by Juju/
func (a *MachineAgent) upgradeCertificateDNSNames() error {
	agentConfig := a.CurrentConfig()
	si, ok := agentConfig.StateServingInfo()
	if !ok || si.CAPrivateKey == "" {
		// No certificate information exists yet, nothing to do.
		return nil
	}
	// Parse the current certificate to get the current dns names.
	serverCert, err := cert.ParseCert(si.Cert)
	if err != nil {
		return err
	}
	update := false
	dnsNames := set.NewStrings(serverCert.DNSNames...)
	requiredDNSNames := []string{"local", "juju-apiserver", "juju-mongodb"}
	for _, dnsName := range requiredDNSNames {
		if dnsNames.Contains(dnsName) {
			continue
		}
		dnsNames.Add(dnsName)
		update = true
	}
	if !update {
		return nil
	}
	// Write a new certificate to the mongo pem and agent config files.
	si.Cert, si.PrivateKey, err = cert.NewDefaultServer(agentConfig.CACert(), si.CAPrivateKey, dnsNames.Values())
	if err != nil {
		return err
	}
	if err := mongo.UpdateSSLKey(agentConfig.DataDir(), si.Cert, si.PrivateKey); err != nil {
		return err
	}
	return a.AgentConfigWriter.ChangeConfig(func(config agent.ConfigSetter) error {
		config.SetStateServingInfo(si)
		return nil
	})
}