func newState(session *mgo.Session, info *Info) (*State, error) {
db := session.DB("juju")
pdb := session.DB("presence")
if info.Tag != "" {
if err := db.Login(info.Tag, info.Password); err != nil {
return nil, maybeUnauthorized(err, fmt.Sprintf("cannot log in to juju database as %q", info.Tag))
}
if err := pdb.Login(info.Tag, info.Password); err != nil {
return nil, maybeUnauthorized(err, fmt.Sprintf("cannot log in to presence database as %q", info.Tag))
}
} else if info.Password != "" {
admin := session.DB("admin")
if err := admin.Login("admin", info.Password); err != nil {
return nil, maybeUnauthorized(err, "cannot log in to admin database")
}
}
st := &State{
info: info,
db: db,
environments: db.C("environments"),
charms: db.C("charms"),
machines: db.C("machines"),
containerRefs: db.C("containerRefs"),
instanceData: db.C("instanceData"),
relations: db.C("relations"),
relationScopes: db.C("relationscopes"),
services: db.C("services"),
minUnits: db.C("minunits"),
settings: db.C("settings"),
settingsrefs: db.C("settingsrefs"),
constraints: db.C("constraints"),
units: db.C("units"),
users: db.C("users"),
presence: pdb.C("presence"),
cleanups: db.C("cleanups"),
annotations: db.C("annotations"),
statuses: db.C("statuses"),
}
log := db.C("txns.log")
logInfo := mgo.CollectionInfo{Capped: true, MaxBytes: logSize}
// The lack of error code for this error was reported upstream:
// https://jira.klmongodb.org/browse/SERVER-6992
err := log.Create(&logInfo)
if err != nil && err.Error() != "collection already exists" {
return nil, maybeUnauthorized(err, "cannot create log collection")
}
st.runner = txn.NewRunner(db.C("txns"))
st.runner.ChangeLog(db.C("txns.log"))
st.watcher = watcher.New(db.C("txns.log"))
st.pwatcher = presence.NewWatcher(pdb.C("presence"))
for _, item := range indexes {
index := mgo.Index{Key: item.key}
if err := db.C(item.collection).EnsureIndex(index); err != nil {
return nil, fmt.Errorf("cannot create database index: %v", err)
}
}
st.transactionHooks = make(chan ([]transactionHook), 1)
st.transactionHooks <- nil
return st, nil
}
func (s *WatcherSuite) TestIgnoreAncientHistory(c *C) {
s.insert(c, "test", "a")
w := watcher.New(s.log)
defer w.Stop()
w.StartSync()
w.Watch("test", "a", -1, s.ch)
assertNoChange(c, s.ch)
}
func (s *WatcherSuite) SetUpTest(c *C) {
s.LoggingSuite.SetUpTest(c)
s.MgoSuite.SetUpTest(c)
db := s.MgoSuite.Session.DB("juju")
s.log = db.C("txnlog")
s.log.Create(&mgo.CollectionInfo{
Capped: true,
MaxBytes: 1000000,
})
s.stash = db.C("txn.stash")
s.runner = txn.NewRunner(db.C("txn"))
s.runner.ChangeLog(s.log)
s.w = watcher.New(s.log)
s.ch = make(chan watcher.Change)
}