func changeVotes(c *gc.C, insts []*gitjujutesting.MgoInstance, voteId int) {
c.Logf("changing voting id to %v", voteId)
addrs := make([]string, len(insts))
for i, inst := range insts {
addrs[i] = inst.Addr()
}
dialInfo := gitjujutesting.MgoDialInfo(coretesting.Certs, addrs...)
session, err := mgo.DialWithInfo(dialInfo)
c.Assert(err, jc.ErrorIsNil)
defer session.Close()
members, err := replicaset.CurrentMembers(session)
c.Assert(err, jc.ErrorIsNil)
c.Assert(members, gc.HasLen, len(insts))
for i := range members {
member := &members[i]
if member.Id == voteId {
member.Priority = nil
} else {
member.Priority = newFloat64(0.1)
}
}
c.Logf("new member set: %#v", members)
err = replicaset.Set(session, members)
c.Assert(err, jc.ErrorIsNil)
c.Logf("successfully changed replica set members")
}
func (a *agent) mongoWorker() (worker.Worker, error) {
dialInfo := gitjujutesting.MgoDialInfo(coretesting.Certs, a.hostPort)
session, err := mgo.DialWithInfo(dialInfo)
if err != nil {
return nil, err
}
mc := &mongoConn{
localHostPort: a.hostPort,
session: session,
}
fn := func(err0, err1 error) bool { return true }
runner := worker.NewRunner(connectionIsFatal(mc), fn, worker.RestartDelay)
singularRunner, err := singular.New(runner, mc)
if err != nil {
return nil, fmt.Errorf("cannot start singular runner: %v", err)
}
a.notify.workerConnected()
singularRunner.StartWorker(fmt.Sprint("worker-", a.notify.id), func() (worker.Worker, error) {
return worker.NewSimpleWorker(func(stop <-chan struct{}) error {
return a.worker(session, stop)
}), nil
})
return runner, nil
}