func replicaAddCall(session mgoSession, members ...replicaset.Member) error {
mSession := session.(*mgo.Session)
if err := replicaset.Add(mSession, members...); err != nil {
return errors.Annotate(err, "cannot resume HA")
}
return nil
}
// ResumeReplication will add all passed members to replicaset.
func (st *State) ResumeReplication(members []replicaset.Member) error {
return replicaset.Add(st.session, members...)
}
// startReplicaSet starts up a replica set with n mongo instances.
func startReplicaSet(n int) (_ []*gitjujutesting.MgoInstance, err error) {
insts := make([]*gitjujutesting.MgoInstance, 0, n)
root, err := newMongoInstance()
if err != nil {
return nil, err
}
insts = append(insts, root)
defer func() {
if err == nil {
return
}
for _, inst := range insts {
inst.Destroy()
}
}()
dialInfo := root.DialInfo()
dialInfo.Direct = true
dialInfo.Timeout = 60 * time.Second
session, err := root.DialDirect()
if err != nil {
return nil, fmt.Errorf("cannot dial root instance: %v", err)
}
defer session.Close()
logger.Infof("dialled root instance")
if err := replicaset.Initiate(session, root.Addr(), replicaSetName, nil); err != nil {
return nil, fmt.Errorf("cannot initiate replica set: %v", err)
}
var members []replicaset.Member
for i := 1; i < n; i++ {
inst, err := newMongoInstance()
if err != nil {
return nil, err
}
insts = append(insts, inst)
members = append(members, replicaset.Member{
Address: inst.Addr(),
Priority: newFloat64(0.1),
Id: i + 1,
})
}
attempt := utils.AttemptStrategy{
Total: 60 * time.Second,
Delay: 1 * time.Second,
}
for a := attempt.Start(); a.Next(); {
err := replicaset.Add(session, members...)
if err == nil {
break
}
logger.Errorf("cannot add members: %v", err)
if !a.HasNext() {
return nil, fmt.Errorf("timed out trying to add members")
}
logger.Errorf("retrying")
}
return insts, err
}
