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p2p/simulations: wait until all connections are recreated when uploading snapshot (#19312)

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* swarm/network/simulation: test cases refactored

* swarm/pss: minor refactoring

* swarm/simulation: UploadSnapshot updated

* swarm/network: style fix

* swarm/pss: bugfix
This commit is contained in:
gluk256 2019-03-22 14:20:17 +04:00 committed by Viktor Trón
parent 09924cbcaa
commit 8d04154691
8 changed files with 40 additions and 80 deletions
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2
swarm/network/simulation/kademlia.go
View File

@ -103,7 +103,7 @@ func (s *Simulation) kademlias() (ks map[enode.ID]*network.Kademlia) {
// in the snapshot are registered in the kademlia.
// It differs from WaitTillHealthy, which waits only until all the kademlias are
// healthy (it might happen even before all the connections are established).
func (s *Simulation) WaitTillSnapshotRecreated(ctx context.Context, snap simulations.Snapshot) error {
func (s *Simulation) WaitTillSnapshotRecreated(ctx context.Context, snap *simulations.Snapshot) error {
expected := getSnapshotConnections(snap.Conns)
ticker := time.NewTicker(150 * time.Millisecond)
defer ticker.Stop()

2
swarm/network/simulation/kademlia_test.go
View File

@ -182,7 +182,7 @@ func TestWaitTillSnapshotRecreated(t *testing.T) {
if err != nil {
t.Fatal(err)
}
err = controlSim.WaitTillSnapshotRecreated(ctx, *snap)
err = controlSim.WaitTillSnapshotRecreated(ctx, snap)
if err != nil {
t.Fatal(err)
}

27
swarm/network/simulation/node.go
View File

@ -17,6 +17,7 @@
package simulation
import (
"context"
"encoding/json"
"errors"
"io/ioutil"
@ -24,7 +25,6 @@ import (
"os"
"time"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/simulations"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
@ -217,30 +217,24 @@ func (s *Simulation) AddNodesAndConnectStar(count int, opts ...AddNodeOption) (i
// UploadSnapshot uploads a snapshot to the simulation
// This method tries to open the json file provided, applies the config to all nodes
// and then loads the snapshot into the Simulation network
func (s *Simulation) UploadSnapshot(snapshotFile string, opts ...AddNodeOption) error {
func (s *Simulation) UploadSnapshot(ctx context.Context, snapshotFile string, opts ...AddNodeOption) error {
f, err := os.Open(snapshotFile)
if err != nil {
return err
}
defer func() {
err := f.Close()
if err != nil {
log.Error("Error closing snapshot file", "err", err)
}
}()
defer f.Close()
jsonbyte, err := ioutil.ReadAll(f)
if err != nil {
return err
}
var snap simulations.Snapshot
err = json.Unmarshal(jsonbyte, &snap)
if err != nil {
if err := json.Unmarshal(jsonbyte, &snap); err != nil {
return err
}
//the snapshot probably has the property EnableMsgEvents not set
//just in case, set it to true!
//(we need this to wait for messages before uploading)
//set it to true (we need this to wait for messages before uploading)
for i := range snap.Nodes {
snap.Nodes[i].Node.Config.EnableMsgEvents = true
snap.Nodes[i].Node.Config.Services = s.serviceNames
@ -249,15 +243,10 @@ func (s *Simulation) UploadSnapshot(snapshotFile string, opts ...AddNodeOption)
}
}
log.Info("Waiting for p2p connections to be established...")
//now we can load the snapshot
err = s.Net.Load(&snap)
if err != nil {
if err := s.Net.Load(&snap); err != nil {
return err
}
log.Info("Snapshot loaded")
return nil
return s.WaitTillSnapshotRecreated(ctx, &snap)
}
// StartNode starts a node by NodeID.

6
swarm/network/simulation/node_test.go
View File

@ -289,6 +289,7 @@ func TestUploadSnapshot(t *testing.T) {
HiveParams: hp,
}
kad := network.NewKademlia(addr.Over(), network.NewKadParams())
b.Store(BucketKeyKademlia, kad)
return network.NewBzz(config, kad, nil, nil, nil), nil, nil
},
})
@ -296,12 +297,13 @@ func TestUploadSnapshot(t *testing.T) {
nodeCount := 16
log.Debug("Uploading snapshot")
err := s.UploadSnapshot(fmt.Sprintf("../stream/testing/snapshot_%d.json", nodeCount))
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
err := s.UploadSnapshot(ctx, fmt.Sprintf("../stream/testing/snapshot_%d.json", nodeCount))
if err != nil {
t.Fatalf("Error uploading snapshot to simulation network: %v", err)
}
ctx := context.Background()
log.Debug("Starting simulation...")
s.Run(ctx, func(ctx context.Context, sim *Simulation) error {
log.Debug("Checking")

25
swarm/network/stream/snapshot_retrieval_test.go
View File

@ -22,8 +22,6 @@ import (
"testing"
"time"
"github.com/ethereum/go-ethereum/swarm/testutil"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
@ -31,6 +29,7 @@ import (
"github.com/ethereum/go-ethereum/swarm/network/simulation"
"github.com/ethereum/go-ethereum/swarm/state"
"github.com/ethereum/go-ethereum/swarm/storage"
"github.com/ethereum/go-ethereum/swarm/testutil"
)
//constants for random file generation
@ -155,14 +154,15 @@ func runFileRetrievalTest(nodeCount int) error {
//array where the generated chunk hashes will be stored
conf.hashes = make([]storage.Address, 0)
err := sim.UploadSnapshot(fmt.Sprintf("testing/snapshot_%d.json", nodeCount))
ctx, cancelSimRun := context.WithTimeout(context.Background(), 3*time.Minute)
defer cancelSimRun()
filename := fmt.Sprintf("testing/snapshot_%d.json", nodeCount)
err := sim.UploadSnapshot(ctx, filename)
if err != nil {
return err
}
ctx, cancelSimRun := context.WithTimeout(context.Background(), 3*time.Minute)
defer cancelSimRun()
log.Info("Starting simulation")
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
@ -188,9 +188,6 @@ func runFileRetrievalTest(nodeCount int) error {
if err != nil {
return err
}
if _, err := sim.WaitTillHealthy(ctx); err != nil {
return err
}
log.Info("network healthy, start file checks")
@ -253,12 +250,15 @@ func runRetrievalTest(t *testing.T, chunkCount int, nodeCount int) error {
//array where the generated chunk hashes will be stored
conf.hashes = make([]storage.Address, 0)
err := sim.UploadSnapshot(fmt.Sprintf("testing/snapshot_%d.json", nodeCount))
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
filename := fmt.Sprintf("testing/snapshot_%d.json", nodeCount)
err := sim.UploadSnapshot(ctx, filename)
if err != nil {
return err
}
ctx := context.Background()
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
nodeIDs := sim.UpNodeIDs()
for _, n := range nodeIDs {
@ -283,9 +283,6 @@ func runRetrievalTest(t *testing.T, chunkCount int, nodeCount int) error {
if err != nil {
return err
}
if _, err := sim.WaitTillHealthy(ctx); err != nil {
return err
}
// File retrieval check is repeated until all uploaded files are retrieved from all nodes
// or until the timeout is reached.

14
swarm/network/stream/snapshot_sync_test.go
View File

@ -147,20 +147,16 @@ func testSyncingViaGlobalSync(t *testing.T, chunkCount int, nodeCount int) {
//array where the generated chunk hashes will be stored
conf.hashes = make([]storage.Address, 0)
err := sim.UploadSnapshot(fmt.Sprintf("testing/snapshot_%d.json", nodeCount))
ctx, cancelSimRun := context.WithTimeout(context.Background(), 3*time.Minute)
defer cancelSimRun()
filename := fmt.Sprintf("testing/snapshot_%d.json", nodeCount)
err := sim.UploadSnapshot(ctx, filename)
if err != nil {
t.Fatal(err)
}
ctx, cancelSimRun := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancelSimRun()
if _, err := sim.WaitTillHealthy(ctx); err != nil {
t.Fatal(err)
}
result := runSim(conf, ctx, sim, chunkCount)
if result.Error != nil {
t.Fatal(result.Error)
}

7
swarm/network/stream/streamer_test.go
View File

@ -1257,9 +1257,10 @@ func TestGetSubscriptionsRPC(t *testing.T) {
simulation.NewPeerEventsFilter().ReceivedMessages().Protocol("stream").MsgCode(subscribeMsgCode),
)
// upload a snapshot
err := sim.UploadSnapshot(fmt.Sprintf("testing/snapshot_%d.json", nodeCount))
if err != nil {
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
filename := fmt.Sprintf("testing/snapshot_%d.json", nodeCount)
if err := sim.UploadSnapshot(ctx, filename); err != nil {
t.Fatal(err)
}

37
swarm/pss/prox_test.go
View File

@ -3,11 +3,8 @@ package pss
import (
"context"
"encoding/binary"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"os"
"strconv"
"strings"
"sync"
@ -20,7 +17,6 @@ import (
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/simulations"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/swarm/network"
@ -105,24 +101,6 @@ func getCmdParams(t *testing.T) (int, int) {
return int(msgCount), int(nodeCount)
}
func readSnapshot(t *testing.T, nodeCount int) simulations.Snapshot {
f, err := os.Open(fmt.Sprintf("testdata/snapshot_%d.json", nodeCount))
if err != nil {
t.Fatal(err)
}
defer f.Close()
jsonbyte, err := ioutil.ReadAll(f)
if err != nil {
t.Fatal(err)
}
var snap simulations.Snapshot
err = json.Unmarshal(jsonbyte, &snap)
if err != nil {
t.Fatal(err)
}
return snap
}
func newTestData() *testData {
return &testData{
kademlias: make(map[enode.ID]*network.Kademlia),
@ -235,17 +213,13 @@ func testProxNetwork(t *testing.T) {
services := newProxServices(tstdata, true, handlerContextFuncs, tstdata.kademlias)
tstdata.sim = simulation.New(services)
defer tstdata.sim.Close()
err := tstdata.sim.UploadSnapshot(fmt.Sprintf("testdata/snapshot_%d.json", nodeCount))
ctx, cancel := context.WithTimeout(context.Background(), 180*time.Second)
defer cancel()
filename := fmt.Sprintf("testdata/snapshot_%d.json", nodeCount)
err := tstdata.sim.UploadSnapshot(ctx, filename)
if err != nil {
t.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second*120)
defer cancel()
snap := readSnapshot(t, nodeCount)
err = tstdata.sim.WaitTillSnapshotRecreated(ctx, snap)
if err != nil {
t.Fatalf("failed to recreate snapshot: %s", err)
}
tstdata.init(msgCount) // initialize the test data
wrapper := func(c context.Context, _ *simulation.Simulation) error {
return testRoutine(tstdata, c)
@ -426,7 +400,6 @@ func newProxServices(tstdata *testData, allowRaw bool, handlerContextFuncs map[T
if err != nil {
return nil, nil, err
}
b.Store(simulation.BucketKeyKademlia, pskad)
// register the handlers we've been passed
var deregisters []func()
@ -448,6 +421,8 @@ func newProxServices(tstdata *testData, allowRaw bool, handlerContextFuncs map[T
Public: false,
})
b.Store(simulation.BucketKeyKademlia, pskad)
// return Pss and cleanups
return ps, func() {
// run the handler deregister functions in reverse order