func (s *localJujuTestSuite) makeFakeUpstartScripts(c *gc.C, env environs.Environ,
) (mongoService *upstart.Service, machineAgent *upstart.Service) {
upstartDir := c.MkDir()
s.PatchValue(&upstart.InitDir, upstartDir)
s.MakeTool(c, "start", `echo "some-service start/running, process 123"`)
namespace := env.Config().AllAttrs()["namespace"].(string)
mongoConf := common.Conf{
Desc: "fake mongo",
Cmd: "echo FAKE",
}
mongoService = upstart.NewService(mongo.ServiceName(namespace), mongoConf)
err := mongoService.Install()
c.Assert(err, gc.IsNil)
c.Assert(mongoService.Installed(), jc.IsTrue)
agentConf := common.Conf{
Desc: "fake agent",
Cmd: "echo FAKE",
}
machineAgent = upstart.NewService(fmt.Sprintf("juju-agent-%s", namespace), agentConf)
err = machineAgent.Install()
c.Assert(err, gc.IsNil)
c.Assert(machineAgent.Installed(), jc.IsTrue)
return mongoService, machineAgent
}
func newService(name string, conf common.Conf, initSystem, series string) (Service, error) {
switch initSystem {
case InitSystemWindows:
svc, err := windows.NewService(name, conf)
if err != nil {
return nil, errors.Annotatef(err, "failed to wrap service %q", name)
}
return svc, nil
case InitSystemUpstart:
return upstart.NewService(name, conf), nil
case InitSystemSystemd:
dataDir, err := paths.DataDir(series)
if err != nil {
return nil, errors.Annotatef(err, "failed to find juju data dir for service %q", name)
}
svc, err := systemd.NewService(name, conf, dataDir)
if err != nil {
return nil, errors.Annotatef(err, "failed to wrap service %q", name)
}
return svc, nil
default:
return nil, errors.NotFoundf("init system %q", initSystem)
}
}
// upstartService returns the upstart config for the mongo state service.
// It also returns the path to the mongod executable that the upstart config
// will be using.
func upstartService(namespace, dataDir, dbDir, mongoPath string, port, oplogSizeMB int) (*upstart.Service, error) {
mongoCmd := mongoPath + " --auth" +
" --dbpath=" + utils.ShQuote(dbDir) +
" --sslOnNormalPorts" +
" --sslPEMKeyFile " + utils.ShQuote(sslKeyPath(dataDir)) +
" --sslPEMKeyPassword ignored" +
" --port " + fmt.Sprint(port) +
" --noprealloc" +
" --syslog" +
" --smallfiles" +
" --journal" +
" --keyFile " + utils.ShQuote(sharedSecretPath(dataDir)) +
" --replSet " + ReplicaSetName +
" --ipv6 " +
" --oplogSize " + strconv.Itoa(oplogSizeMB)
conf := common.Conf{
Desc: "juju state database",
Limit: map[string]string{
"nofile": fmt.Sprintf("%d %d", maxFiles, maxFiles),
"nproc": fmt.Sprintf("%d %d", maxProcs, maxProcs),
},
Cmd: mongoCmd,
}
svc := upstart.NewService(ServiceName(namespace), conf)
return svc, nil
}
// NewService returns an interface to a service apropriate
// for the current system
func NewService(name string, conf common.Conf) Service {
switch version.Current.OS {
case version.Windows:
svc := windows.NewService(name, conf)
return svc
default:
return upstart.NewService(name, conf)
}
}
func (s *UpstartSuite) SetUpTest(c *gc.C) {
s.testPath = c.MkDir()
s.initDir = c.MkDir()
s.PatchEnvPathPrepend(s.testPath)
s.PatchValue(&upstart.InitDir, s.initDir)
s.service = upstart.NewService(
"some-application",
common.Conf{
Desc: "some service",
ExecStart: "/path/to/some-command",
},
)
}
func (s *UpstartSuite) SetUpTest(c *gc.C) {
s.testPath = c.MkDir()
s.initDir = c.MkDir()
s.PatchEnvPathPrepend(s.testPath)
s.PatchValue(&upstart.InstallStartRetryAttempts, utils.AttemptStrategy{})
s.PatchValue(&upstart.InitDir, s.initDir)
s.service = upstart.NewService(
"some-service",
common.Conf{
Desc: "some service",
Cmd: "some command",
},
)
}
func (s *UpstartSuite) TestInstallAlreadyRunning(c *gc.C) {
pathTo := func(name string) string {
return filepath.Join(s.testPath, name)
}
s.MakeTool(c, "status-stopped", `echo "some-application stop/waiting"`)
s.MakeTool(c, "status-started", `echo "some-application start/running, process 123"`)
s.MakeTool(c, "stop", fmt.Sprintf(
"rm %s; ln -s %s %s",
pathTo("status"), pathTo("status-stopped"), pathTo("status"),
))
s.MakeTool(c, "start", fmt.Sprintf(
"rm %s; ln -s %s %s",
pathTo("status"), pathTo("status-started"), pathTo("status"),
))
err := symlink.New(pathTo("status-started"), pathTo("status"))
c.Assert(err, jc.ErrorIsNil)
svc := upstart.NewService("some-application", s.dummyConf(c))
err = svc.Install()
c.Assert(err, jc.ErrorIsNil)
installed, err := svc.Running()
c.Assert(err, jc.ErrorIsNil)
c.Check(installed, jc.IsTrue)
}
func (s *UpstartSuite) TestInitDir(c *gc.C) {
svc := upstart.NewService("blah", common.Conf{})
c.Assert(svc.Conf.InitDir, gc.Equals, s.initDir)
}
// RemoveService removes the mongoDB upstart service from this machine.
func RemoveService(namespace string) error {
svc := upstart.NewService(ServiceName(namespace), common.Conf{})
return upstartServiceStopAndRemove(svc)
}
// EnsureAdminUser ensures that the specified user and password
// are added to the admin database.
//
// This function will stop the Mongo service if it needs to add
// the admin user, as it must restart Mongo in --noauth mode.
func EnsureAdminUser(p EnsureAdminUserParams) (added bool, err error) {
portStr := strconv.Itoa(p.Port)
localIPv4Addr := net.JoinHostPort("127.0.0.1", portStr)
localIPv6Addr := net.JoinHostPort("::1", portStr)
if len(p.DialInfo.Addrs) > 1 {
// Verify the addresses are for different servers.
for _, addr := range p.DialInfo.Addrs {
switch addr {
case localIPv4Addr, localIPv6Addr:
continue
default:
logger.Infof("more than one state server; admin user must exist")
return false, nil
}
}
}
p.DialInfo.Addrs = []string{localIPv4Addr, localIPv6Addr}
p.DialInfo.Direct = true
// Attempt to login to the admin database first.
session, err := mgo.DialWithInfo(p.DialInfo)
if err != nil {
return false, fmt.Errorf("can't dial mongo to ensure admin user: %v", err)
}
session.SetSocketTimeout(SocketTimeout)
err = session.DB("admin").Login(p.User, p.Password)
session.Close()
if err == nil {
return false, nil
}
logger.Debugf("admin login failed: %v", err)
// Login failed, so we need to add the user.
// Stop mongo, so we can start it in --noauth mode.
mongoServiceName := ServiceName(p.Namespace)
mongoService := upstart.NewService(mongoServiceName, common.Conf{})
if err := upstartServiceStop(mongoService); err != nil {
return false, fmt.Errorf("failed to stop %v: %v", mongoServiceName, err)
}
// Start mongod in --noauth mode.
logger.Debugf("starting mongo with --noauth")
cmd, err := noauthCommand(p.DataDir, p.Port)
if err != nil {
return false, fmt.Errorf("failed to prepare mongod command: %v", err)
}
if err := cmd.Start(); err != nil {
return false, fmt.Errorf("failed to start mongod: %v", err)
}
defer cmd.Process.Kill()
// Add the user to the admin database.
logger.Debugf("setting admin password")
if session, err = mgo.DialWithInfo(p.DialInfo); err != nil {
return false, fmt.Errorf("can't dial mongo to ensure admin user: %v", err)
}
err = SetAdminMongoPassword(session, p.User, p.Password)
session.Close()
if err != nil {
return false, fmt.Errorf("failed to add %q to admin database: %v", p.User, err)
}
logger.Infof("added %q to admin database", p.User)
// Restart mongo using upstart.
if err := processSignal(cmd.Process, syscall.SIGTERM); err != nil {
return false, fmt.Errorf("cannot kill mongod: %v", err)
}
if err := cmd.Wait(); err != nil {
if _, ok := err.(*exec.ExitError); !ok {
return false, fmt.Errorf("mongod did not cleanly terminate: %v", err)
}
}
if err := upstartServiceStart(mongoService); err != nil {
return false, err
}
return true, nil
}
