func (suite *StateSuite) TestLoadStateIntegratesWithSaveState(c *gc.C) {
storage := suite.newStorage(c)
state := bootstrap.BootstrapState{
StateInstances: []instance.Id{instance.Id("an-instance-id")},
}
err := bootstrap.SaveState(storage, &state)
c.Assert(err, gc.IsNil)
storedState, err := bootstrap.LoadState(storage)
c.Assert(err, gc.IsNil)
c.Check(*storedState, gc.DeepEquals, state)
}
// Bootstrap is a common implementation of the Bootstrap method defined on
// environs.Environ; we strongly recommend that this implementation be used
// when writing a new provider.
func Bootstrap(ctx environs.BootstrapContext, env environs.Environ, args environs.BootstrapParams) (err error) {
// TODO make safe in the case of racing Bootstraps
// If two Bootstraps are called concurrently, there's
// no way to make sure that only one succeeds.
var inst instance.Instance
defer func() { handleBootstrapError(err, ctx, inst, env) }()
// First thing, ensure we have tools otherwise there's no point.
selectedTools, err := EnsureBootstrapTools(ctx, env, config.PreferredSeries(env.Config()), args.Constraints.Arch)
if err != nil {
return err
}
// Get the bootstrap SSH client. Do this early, so we know
// not to bother with any of the below if we can't finish the job.
client := ssh.DefaultClient
if client == nil {
// This should never happen: if we don't have OpenSSH, then
// go.crypto/ssh should be used with an auto-generated key.
return fmt.Errorf("no SSH client available")
}
privateKey, err := GenerateSystemSSHKey(env)
if err != nil {
return err
}
machineConfig := environs.NewBootstrapMachineConfig(privateKey)
fmt.Fprintln(ctx.GetStderr(), "Launching instance")
inst, hw, _, err := env.StartInstance(environs.StartInstanceParams{
Constraints: args.Constraints,
Tools: selectedTools,
MachineConfig: machineConfig,
Placement: args.Placement,
})
if err != nil {
return fmt.Errorf("cannot start bootstrap instance: %v", err)
}
fmt.Fprintf(ctx.GetStderr(), " - %s\n", inst.Id())
machineConfig.InstanceId = inst.Id()
machineConfig.HardwareCharacteristics = hw
err = bootstrap.SaveState(
env.Storage(),
&bootstrap.BootstrapState{
StateInstances: []instance.Id{inst.Id()},
})
if err != nil {
return fmt.Errorf("cannot save state: %v", err)
}
return FinishBootstrap(ctx, client, inst, machineConfig)
}
func (suite *StateSuite) TestSaveStateWritesStateFile(c *gc.C) {
stor := suite.newStorage(c)
state := bootstrap.BootstrapState{
StateInstances: []instance.Id{instance.Id("an-instance-id")},
}
marshaledState, err := goyaml.Marshal(state)
c.Assert(err, gc.IsNil)
err = bootstrap.SaveState(stor, &state)
c.Assert(err, gc.IsNil)
loadedState, err := storage.Get(stor, bootstrap.StateFile)
c.Assert(err, gc.IsNil)
content, err := ioutil.ReadAll(loadedState)
c.Assert(err, gc.IsNil)
c.Check(content, gc.DeepEquals, marshaledState)
}
func (suite *environSuite) TestStateInfo(c *gc.C) {
env := suite.makeEnviron()
hostname := "test"
input := `{"system_id": "system_id", "hostname": "` + hostname + `"}`
node := suite.testMAASObject.TestServer.NewNode(input)
testInstance := &maasInstance{maasObject: &node, environ: suite.makeEnviron()}
err := bootstrap.SaveState(
env.Storage(),
&bootstrap.BootstrapState{StateInstances: []instance.Id{testInstance.Id()}})
c.Assert(err, gc.IsNil)
stateInfo, apiInfo, err := env.StateInfo()
c.Assert(err, gc.IsNil)
cfg := env.Config()
statePortSuffix := fmt.Sprintf(":%d", cfg.StatePort())
apiPortSuffix := fmt.Sprintf(":%d", cfg.APIPort())
c.Assert(stateInfo.Addrs, gc.DeepEquals, []string{hostname + statePortSuffix})
c.Assert(apiInfo.Addrs, gc.DeepEquals, []string{hostname + apiPortSuffix})
}
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
}