// setupLocalMongoService returns the cert and key if there was no error.
func (env *localEnviron) setupLocalMongoService() ([]byte, []byte, error) {
journalDir := filepath.Join(env.config.mongoDir(), "journal")
logger.Debugf("create mongo journal dir: %v", journalDir)
if err := os.MkdirAll(journalDir, 0755); err != nil {
logger.Errorf("failed to make mongo journal dir %s: %v", journalDir, err)
return nil, nil, err
}
logger.Debugf("generate server cert")
cert, key, err := env.config.GenerateStateServerCertAndKey()
if err != nil {
logger.Errorf("failed to generate server cert: %v", err)
return nil, nil, err
}
if err := ioutil.WriteFile(
env.config.configFile("server.pem"),
append(cert, key...),
0600); err != nil {
logger.Errorf("failed to write server.pem: %v", err)
return nil, nil, err
}
mongo := upstart.MongoUpstartService(
env.mongoServiceName(),
env.config.rootDir(),
env.config.mongoDir(),
env.config.StatePort())
mongo.InitDir = upstartScriptLocation
logger.Infof("installing service %s to %s", env.mongoServiceName(), mongo.InitDir)
if err := mongo.Install(); err != nil {
logger.Errorf("could not install mongo service: %v", err)
return nil, nil, err
}
return cert, key, nil
}
func (cfg *MachineConfig) addMongoToBoot(c *cloudinit.Config) error {
dbDir := filepath.Join(cfg.DataDir, "db")
addScripts(c,
"mkdir -p "+dbDir+"/journal",
// Otherwise we get three files with 100M+ each, which takes time.
"dd bs=1M count=1 if=/dev/zero of="+dbDir+"/journal/prealloc.0",
"dd bs=1M count=1 if=/dev/zero of="+dbDir+"/journal/prealloc.1",
"dd bs=1M count=1 if=/dev/zero of="+dbDir+"/journal/prealloc.2",
)
conf := upstart.MongoUpstartService("juju-db", cfg.DataDir, dbDir, cfg.StatePort)
cmds, err := conf.InstallCommands()
if err != nil {
return fmt.Errorf("cannot make cloud-init upstart script for the state database: %v", err)
}
addScripts(c, cmds...)
return nil
}