func (s *AuthKeysSuite) TestConcatAuthKeys(c *gc.C) {
for _, test := range []struct{ a, b, result string }{
{"a", "", "a"},
{"", "b", "b"},
{"a", "b", "a\nb"},
{"a\n", "b", "a\nb"},
} {
c.Check(config.ConcatAuthKeys(test.a, test.b), gc.Equals, test.result)
}
}
// GenerateSystemSSHKey creates a new key for the system identity. The
// authorized_keys in the environment config is updated to include the public
// key for the generated key.
func GenerateSystemSSHKey(env environs.Environ) (privateKey string, err error) {
logger.Debugf("generate a system ssh key")
// Create a new system ssh key and add that to the authorized keys.
privateKey, publicKey, err := ssh.GenerateKey(config.JujuSystemKey)
if err != nil {
return "", fmt.Errorf("failed to create system key: %v", err)
}
authorized_keys := config.ConcatAuthKeys(env.Config().AuthorizedKeys(), publicKey)
newConfig, err := env.Config().Apply(map[string]interface{}{
config.AuthKeysConfig: authorized_keys,
})
if err != nil {
return "", fmt.Errorf("failed to create new config: %v", err)
}
if err = env.SetConfig(newConfig); err != nil {
return "", fmt.Errorf("failed to set new config: %v", err)
}
return privateKey, nil
}
// Run initializes state for an environment.
func (c *BootstrapCommand) Run(_ *cmd.Context) error {
envCfg, err := config.New(config.NoDefaults, c.ControllerModelConfig)
if err != nil {
return err
}
err = c.ReadConfig("machine-0")
if err != nil {
return err
}
agentConfig := c.CurrentConfig()
network.SetPreferIPv6(agentConfig.PreferIPv6())
// agent.Jobs is an optional field in the agent config, and was
// introduced after 1.17.2. We default to allowing units on
// machine-0 if missing.
jobs := agentConfig.Jobs()
if len(jobs) == 0 {
jobs = []multiwatcher.MachineJob{
multiwatcher.JobManageModel,
multiwatcher.JobHostUnits,
multiwatcher.JobManageNetworking,
}
}
// Get the bootstrap machine's addresses from the provider.
env, err := environs.New(envCfg)
if err != nil {
return err
}
newConfigAttrs := make(map[string]interface{})
// Check to see if a newer agent version has been requested
// by the bootstrap client.
desiredVersion, ok := envCfg.AgentVersion()
if ok && desiredVersion != jujuversion.Current {
// If we have been asked for a newer version, ensure the newer
// tools can actually be found, or else bootstrap won't complete.
stream := envtools.PreferredStream(&desiredVersion, envCfg.Development(), envCfg.AgentStream())
logger.Infof("newer tools requested, looking for %v in stream %v", desiredVersion, stream)
filter := tools.Filter{
Number: desiredVersion,
Arch: arch.HostArch(),
Series: series.HostSeries(),
}
_, toolsErr := envtools.FindTools(env, -1, -1, stream, filter)
if toolsErr == nil {
logger.Infof("tools are available, upgrade will occur after bootstrap")
}
if errors.IsNotFound(toolsErr) {
// Newer tools not available, so revert to using the tools
// matching the current agent version.
logger.Warningf("newer tools for %q not available, sticking with version %q", desiredVersion, jujuversion.Current)
newConfigAttrs["agent-version"] = jujuversion.Current.String()
} else if toolsErr != nil {
logger.Errorf("cannot find newer tools: %v", toolsErr)
return toolsErr
}
}
instanceId := instance.Id(c.InstanceId)
instances, err := env.Instances([]instance.Id{instanceId})
if err != nil {
return err
}
addrs, err := instances[0].Addresses()
if err != nil {
return err
}
// When machine addresses are reported from state, they have
// duplicates removed. We should do the same here so that
// there is not unnecessary churn in the mongo replicaset.
// TODO (cherylj) Add explicit unit tests for this - tracked
// by bug #1544158.
addrs = network.MergedAddresses([]network.Address{}, addrs)
// Generate a private SSH key for the controllers, and add
// the public key to the environment config. We'll add the
// private key to StateServingInfo below.
privateKey, publicKey, err := sshGenerateKey(config.JujuSystemKey)
if err != nil {
return errors.Annotate(err, "failed to generate system key")
}
authorizedKeys := config.ConcatAuthKeys(envCfg.AuthorizedKeys(), publicKey)
newConfigAttrs[config.AuthKeysConfig] = authorizedKeys
// Generate a shared secret for the Mongo replica set, and write it out.
sharedSecret, err := mongo.GenerateSharedSecret()
if err != nil {
return err
}
info, ok := agentConfig.StateServingInfo()
if !ok {
return fmt.Errorf("bootstrap machine config has no state serving info")
}
info.SharedSecret = sharedSecret
info.SystemIdentity = privateKey
err = c.ChangeConfig(func(agentConfig agent.ConfigSetter) error {
agentConfig.SetStateServingInfo(info)
return nil
})
if err != nil {
return fmt.Errorf("cannot write agent config: %v", err)
}
err = c.ChangeConfig(func(config agent.ConfigSetter) error {
// We'll try for mongo 3.2 first and fallback to
// mongo 2.4 if the newer binaries are not available.
if mongo.BinariesAvailable(mongo.Mongo32wt) {
config.SetMongoVersion(mongo.Mongo32wt)
} else {
config.SetMongoVersion(mongo.Mongo24)
}
return nil
})
if err != nil {
return errors.Annotate(err, "cannot set mongo version")
}
agentConfig = c.CurrentConfig()
// Create system-identity file
if err := agent.WriteSystemIdentityFile(agentConfig); err != nil {
return err
}
if err := c.startMongo(addrs, agentConfig); err != nil {
return err
}
logger.Infof("started mongo")
// Initialise state, and store any agent config (e.g. password) changes.
envCfg, err = env.Config().Apply(newConfigAttrs)
if err != nil {
return errors.Annotate(err, "failed to update model config")
}
var st *state.State
var m *state.Machine
err = c.ChangeConfig(func(agentConfig agent.ConfigSetter) error {
var stateErr error
dialOpts := mongo.DefaultDialOpts()
// Set a longer socket timeout than usual, as the machine
// will be starting up and disk I/O slower than usual. This
// has been known to cause timeouts in queries.
timeouts := envCfg.BootstrapSSHOpts()
dialOpts.SocketTimeout = timeouts.Timeout
if dialOpts.SocketTimeout < minSocketTimeout {
dialOpts.SocketTimeout = minSocketTimeout
}
// We shouldn't attempt to dial peers until we have some.
dialOpts.Direct = true
adminTag := names.NewLocalUserTag(c.AdminUsername)
st, m, stateErr = agentInitializeState(
adminTag,
agentConfig,
envCfg, c.HostedModelConfig,
agentbootstrap.BootstrapMachineConfig{
Addresses: addrs,
BootstrapConstraints: c.BootstrapConstraints,
ModelConstraints: c.ModelConstraints,
Jobs: jobs,
InstanceId: instanceId,
Characteristics: c.Hardware,
SharedSecret: sharedSecret,
},
dialOpts,
environs.NewStatePolicy(),
)
return stateErr
})
if err != nil {
return err
}
defer st.Close()
// Populate the tools catalogue.
if err := c.populateTools(st, env); err != nil {
return err
}
// Populate the GUI archive catalogue.
if err := c.populateGUIArchive(st, env); err != nil {
// Do not stop the bootstrapping process for Juju GUI archive errors.
logger.Warningf("cannot set up Juju GUI: %s", err)
} else {
logger.Debugf("Juju GUI successfully set up")
}
// Add custom image metadata to environment storage.
if c.ImageMetadataDir != "" {
if err := c.saveCustomImageMetadata(st, env); err != nil {
return err
}
stor := newStateStorage(st.ModelUUID(), st.MongoSession())
if err := c.storeCustomImageMetadata(stor); err != nil {
return err
}
}
// Populate the storage pools.
if err = c.populateDefaultStoragePools(st); err != nil {
return err
}
// bootstrap machine always gets the vote
return m.SetHasVote(true)
}
// Run initializes state for an environment.
func (c *BootstrapCommand) Run(_ *cmd.Context) error {
envCfg, err := config.New(config.NoDefaults, c.EnvConfig)
if err != nil {
return err
}
err = c.ReadConfig("machine-0")
if err != nil {
return err
}
agentConfig := c.CurrentConfig()
network.InitializeFromConfig(agentConfig)
// agent.Jobs is an optional field in the agent config, and was
// introduced after 1.17.2. We default to allowing units on
// machine-0 if missing.
jobs := agentConfig.Jobs()
if len(jobs) == 0 {
jobs = []multiwatcher.MachineJob{
multiwatcher.JobManageEnviron,
multiwatcher.JobHostUnits,
multiwatcher.JobManageNetworking,
}
}
// Get the bootstrap machine's addresses from the provider.
env, err := environs.New(envCfg)
if err != nil {
return err
}
instanceId := instance.Id(c.InstanceId)
instances, err := env.Instances([]instance.Id{instanceId})
if err != nil {
return err
}
addrs, err := instances[0].Addresses()
if err != nil {
return err
}
// Generate a private SSH key for the state servers, and add
// the public key to the environment config. We'll add the
// private key to StateServingInfo below.
privateKey, publicKey, err := sshGenerateKey(config.JujuSystemKey)
if err != nil {
return errors.Annotate(err, "failed to generate system key")
}
authorizedKeys := config.ConcatAuthKeys(envCfg.AuthorizedKeys(), publicKey)
envCfg, err = env.Config().Apply(map[string]interface{}{
config.AuthKeysConfig: authorizedKeys,
})
if err != nil {
return errors.Annotate(err, "failed to add public key to environment config")
}
// Generate a shared secret for the Mongo replica set, and write it out.
sharedSecret, err := mongo.GenerateSharedSecret()
if err != nil {
return err
}
info, ok := agentConfig.StateServingInfo()
if !ok {
return fmt.Errorf("bootstrap machine config has no state serving info")
}
info.SharedSecret = sharedSecret
info.SystemIdentity = privateKey
err = c.ChangeConfig(func(agentConfig agent.ConfigSetter) error {
agentConfig.SetStateServingInfo(info)
return nil
})
if err != nil {
return fmt.Errorf("cannot write agent config: %v", err)
}
agentConfig = c.CurrentConfig()
// Create system-identity file
if err := agent.WriteSystemIdentityFile(agentConfig); err != nil {
return err
}
if err := c.startMongo(addrs, agentConfig); err != nil {
return err
}
logger.Infof("started mongo")
// Initialise state, and store any agent config (e.g. password) changes.
var st *state.State
var m *state.Machine
err = c.ChangeConfig(func(agentConfig agent.ConfigSetter) error {
var stateErr error
dialOpts := mongo.DefaultDialOpts()
// Set a longer socket timeout than usual, as the machine
// will be starting up and disk I/O slower than usual. This
// has been known to cause timeouts in queries.
timeouts := envCfg.BootstrapSSHOpts()
dialOpts.SocketTimeout = timeouts.Timeout
if dialOpts.SocketTimeout < minSocketTimeout {
dialOpts.SocketTimeout = minSocketTimeout
}
// We shouldn't attempt to dial peers until we have some.
dialOpts.Direct = true
adminTag := names.NewLocalUserTag(c.AdminUsername)
st, m, stateErr = agentInitializeState(
adminTag,
agentConfig,
envCfg,
agent.BootstrapMachineConfig{
Addresses: addrs,
Constraints: c.Constraints,
Jobs: jobs,
InstanceId: instanceId,
Characteristics: c.Hardware,
SharedSecret: sharedSecret,
},
dialOpts,
environs.NewStatePolicy(),
)
return stateErr
})
if err != nil {
return err
}
defer st.Close()
// Populate the tools catalogue.
if err := c.populateTools(st, env); err != nil {
return err
}
// Add custom image metadata to environment storage.
if c.ImageMetadataDir != "" {
if err := c.saveCustomImageMetadata(st); err != nil {
return err
}
// TODO (anastasiamac 2015-09-24) Remove this once search path is updated..
stor := newStateStorage(st.EnvironUUID(), st.MongoSession())
if err := c.storeCustomImageMetadata(stor); err != nil {
return err
}
}
// Populate the storage pools.
if err := c.populateDefaultStoragePools(st); err != nil {
return err
}
// bootstrap machine always gets the vote
return m.SetHasVote(true)
}