Пример #1
0
func init() {
	stateWorkerDialOpts = mongo.DefaultDialOpts()
	stateWorkerDialOpts.PostDial = func(session *mgo.Session) error {
		safe := mgo.Safe{}
		if ProductionMongoWriteConcern {
			safe.J = true
			_, err := replicaset.CurrentConfig(session)
			if err == nil {
				// set mongo to write-majority (writes only returned after
				// replicated to a majority of replica-set members).
				safe.WMode = "majority"
			}
		}
		session.SetSafe(&safe)
		return nil
	}
}
Пример #2
0
func (r *RestoreSuite) TestReplicasetIsReset(c *gc.C) {
	server := &gitjujutesting.MgoInstance{Params: []string{"--replSet", "juju"}}
	err := server.Start(coretesting.Certs)
	c.Assert(err, jc.ErrorIsNil)
	defer server.DestroyWithLog()
	mgoAddr := server.Addr()
	dialInfo := server.DialInfo()

	var cfg *replicaset.Config
	dialInfo = server.DialInfo()
	dialInfo.Addrs = []string{mgoAddr}
	err = resetReplicaSet(dialInfo, mgoAddr)

	session := server.MustDial()
	defer session.Close()
	cfg, err = replicaset.CurrentConfig(session)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(cfg.Members, gc.HasLen, 1)
	c.Assert(cfg.Members[0].Address, gc.Equals, mgoAddr)
}
Пример #3
0
// attemptInitiateMongoServer attempts to initiate the replica set.
func attemptInitiateMongoServer(dialInfo *mgo.DialInfo, memberHostPort string, force bool) error {
	session, err := mgo.DialWithInfo(dialInfo)
	if err != nil {
		return errors.Annotatef(err, "cannot dial mongo to initiate replicaset")
	}
	defer session.Close()
	session.SetSocketTimeout(mongo.SocketTimeout)

	if !force {
		bInfo, err := session.BuildInfo()
		if err != nil && isNotUnreachableError(err) {
			return errors.Annotate(err, "cannot determine mongo build information")
		}
		var cfg *replicaset.Config
		if err != nil || !bInfo.VersionAtLeast(3) {
			cfg, err = replicaset.CurrentConfig(session)
			if err != nil && err != mgo.ErrNotFound {
				return errors.Errorf("cannot get replica set configuration: %v", err)
			}
		}

		if cfg != nil && len(cfg.Members) > 0 {
			logger.Infof("replica set configuration found: %#v", cfg)
			return ErrReplicaSetAlreadyInitiated
		}
	}

	return replicaset.Initiate(
		session,
		memberHostPort,
		mongo.ReplicaSetName,
		map[string]string{
			jujuMachineKey: agent.BootstrapMachineId,
		},
	)
}