// Imitate preparers by copying data from /intent tree to /reality tree
// to simulate deployment
func imitatePreparers(server *testutil.TestServer, quitCh <-chan struct{}) {
// testutil.Server calls t.Fatalf() if a key doesn't exist, so put some
// dummy data into /intent and /reality for the test pod so we don't
// accidentally fail tests by merely testing a key
dummyManifest := []byte("id: wrong_manifest")
for _, node := range testNodes {
intentKey := fmt.Sprintf("intent/%s/%s", node, testPodId)
server.SetKV(intentKey, dummyManifest)
realityKey := fmt.Sprintf("reality/%s/%s", node, testPodId)
server.SetKV(realityKey, dummyManifest)
}
// Now do the actual copies
go func() {
for {
select {
case <-quitCh:
return
default:
for _, node := range testNodes {
intentKey := fmt.Sprintf("intent/%s/%s", node, testPodId)
realityKey := fmt.Sprintf("reality/%s/%s", node, testPodId)
intentBytes := server.GetKV(intentKey)
if !bytes.Equal(intentBytes, dummyManifest) {
server.SetKV(realityKey, intentBytes)
}
}
}
}
}()
}
// Adds preparer manifest to reality tree to fool replication library into
// thinking it is installed on the test nodes
func setupPreparers(server *testutil.TestServer) {
for _, node := range testNodes {
key := fmt.Sprintf("reality/%s/p2-preparer", node)
server.SetKV(key, []byte(testPreparerManifest))
}
}