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Merge pull request #17531 from siyuanfoundation/3.5-downgrade-test
[3.5] backport mix version e2e test.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,194 @@ | ||
| // Copyright 2024 The etcd Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package e2e | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| "go.etcd.io/etcd/client/pkg/v3/fileutil" | ||
| "go.etcd.io/etcd/tests/v3/framework/e2e" | ||
| ) | ||
|
|
||
| type clusterTestCase struct { | ||
| name string | ||
| config e2e.EtcdProcessClusterConfig | ||
| } | ||
|
|
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| func clusterTestCases(size int) []clusterTestCase { | ||
| tcs := []clusterTestCase{ | ||
| { | ||
| name: "CurrentVersion", | ||
| config: e2e.EtcdProcessClusterConfig{ClusterSize: size}, | ||
| }, | ||
| } | ||
| if !fileutil.Exist(e2e.BinPathLastRelease) { | ||
| return tcs | ||
| } | ||
|
|
||
| tcs = append(tcs, | ||
| clusterTestCase{ | ||
| name: "LastVersion", | ||
| config: e2e.EtcdProcessClusterConfig{ClusterSize: size, Version: e2e.LastVersion}, | ||
| }, | ||
| ) | ||
| if size > 2 { | ||
| tcs = append(tcs, | ||
| clusterTestCase{ | ||
| name: "MinorityLastVersion", | ||
| config: e2e.EtcdProcessClusterConfig{ClusterSize: size, Version: e2e.MinorityLastVersion}, | ||
| }, clusterTestCase{ | ||
| name: "QuorumLastVersion", | ||
| config: e2e.EtcdProcessClusterConfig{ClusterSize: size, Version: e2e.QuorumLastVersion}, | ||
| }, | ||
| ) | ||
| } | ||
| return tcs | ||
| } | ||
|
|
||
| // TestMixVersionsSnapshotByAddingMember tests the mix version send snapshots by adding member | ||
| func TestMixVersionsSnapshotByAddingMember(t *testing.T) { | ||
| for _, tc := range clusterTestCases(1) { | ||
| t.Run(tc.name+"-adding-new-member-of-current-version", func(t *testing.T) { | ||
| mixVersionsSnapshotTestByAddingMember(t, tc.config, e2e.CurrentVersion) | ||
| }) | ||
| // TODO: uncomment after v3.4.32 release. | ||
| // After v3.4.32, etcd can support adding a new member of 3.4 into | ||
| // a cluster with 3.5 if the 3.4 member is started with '--next-cluster-version-compatible'. | ||
|
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| // t.Run(tc.name+"-adding-new-member-of-last-version", func(t *testing.T) { | ||
| // mixVersionsSnapshotTestByAddingMember(t, tc.config, e2e.LastVersion) | ||
| // }) | ||
| } | ||
| } | ||
|
|
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| func mixVersionsSnapshotTestByAddingMember(t *testing.T, cfg e2e.EtcdProcessClusterConfig, newInstanceVersion e2e.ClusterVersion) { | ||
| e2e.BeforeTest(t) | ||
|
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| t.Logf("Create an etcd cluster with %d member\n", cfg.ClusterSize) | ||
| cfg.SnapshotCount = 10 | ||
| cfg.BasePeerScheme = "unix" // to avoid port conflict | ||
|
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| epc, err := e2e.NewEtcdProcessCluster(t, &cfg) | ||
|
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| require.NoError(t, err, "failed to start etcd cluster: %v", err) | ||
| defer func() { | ||
| derr := epc.Close() | ||
| require.NoError(t, derr, "failed to close etcd cluster: %v", derr) | ||
| }() | ||
|
|
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| t.Log("Writing 20 keys to the cluster (more than SnapshotCount entries to trigger at least a snapshot)") | ||
|
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| etcdctl := epc.Procs[0].Etcdctl(e2e.ClientNonTLS, false, false) | ||
| writeKVs(t, etcdctl, 0, 20) | ||
|
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| t.Log("Start a new etcd instance, which will receive a snapshot from the leader.") | ||
| newCfg := *epc.Cfg | ||
| newCfg.Version = newInstanceVersion | ||
| t.Log("Starting a new etcd instance") | ||
| _, err = epc.StartNewProc(&newCfg, t) | ||
| require.NoError(t, err, "failed to start the new etcd instance: %v", err) | ||
| defer epc.Close() | ||
|
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| assertKVHash(t, epc) | ||
| } | ||
|
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| func TestMixVersionsSnapshotByMockingPartition(t *testing.T) { | ||
| mockPartitionNodeIndex := 2 | ||
| for _, tc := range clusterTestCases(3) { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| mixVersionsSnapshotTestByMockPartition(t, tc.config, mockPartitionNodeIndex) | ||
| }) | ||
| } | ||
| } | ||
|
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| func mixVersionsSnapshotTestByMockPartition(t *testing.T, cfg e2e.EtcdProcessClusterConfig, mockPartitionNodeIndex int) { | ||
| e2e.BeforeTest(t) | ||
|
|
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| if !fileutil.Exist(e2e.BinPathLastRelease) { | ||
| t.Skipf("%q does not exist", e2e.BinPathLastRelease) | ||
| } | ||
|
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| t.Logf("Create an etcd cluster with %d member\n", cfg.ClusterSize) | ||
| cfg.SnapshotCount = 10 | ||
| cfg.BasePeerScheme = "unix" // to avoid port conflict | ||
|
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| epc, err := e2e.NewEtcdProcessCluster(t, &cfg) | ||
| require.NoError(t, err, "failed to start etcd cluster: %v", err) | ||
| defer func() { | ||
| derr := epc.Close() | ||
| require.NoError(t, derr, "failed to close etcd cluster: %v", derr) | ||
| }() | ||
| toPartitionedMember := epc.Procs[mockPartitionNodeIndex] | ||
|
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| t.Log("Stop and restart the partitioned member") | ||
| err = toPartitionedMember.Stop() | ||
| require.NoError(t, err) | ||
| time.Sleep(2 * time.Second) | ||
|
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| t.Log("Writing 20 keys to the cluster (more than SnapshotCount entries to trigger at least a snapshot)") | ||
| etcdctl := epc.Procs[0].Etcdctl(e2e.ClientNonTLS, false, false) | ||
| writeKVs(t, etcdctl, 0, 20) | ||
|
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| t.Log("Verify logs to check leader has saved snapshot") | ||
| leaderEPC := epc.Procs[epc.WaitLeader(t)] | ||
| e2e.AssertProcessLogs(t, leaderEPC, "saved snapshot") | ||
|
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| t.Log("Restart the partitioned member") | ||
| err = toPartitionedMember.Restart() | ||
| require.NoError(t, err) | ||
|
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| assertKVHash(t, epc) | ||
| } | ||
|
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| func writeKVs(t *testing.T, etcdctl *e2e.Etcdctl, startIdx, endIdx int) { | ||
| for i := startIdx; i < endIdx; i++ { | ||
| key := fmt.Sprintf("key-%d", i) | ||
| value := fmt.Sprintf("value-%d", i) | ||
| err := etcdctl.Put(key, value) | ||
| require.NoError(t, err, "failed to put %q, error: %v", key, err) | ||
| } | ||
| } | ||
|
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| func assertKVHash(t *testing.T, epc *e2e.EtcdProcessCluster) { | ||
| clusterSize := len(epc.Procs) | ||
| if clusterSize < 2 { | ||
| return | ||
| } | ||
| t.Log("Verify all nodes have exact same revision and hash") | ||
| assert.Eventually(t, func() bool { | ||
| hashKvs, err := epc.Etcdctl().HashKV(0) | ||
| if err != nil { | ||
| t.Logf("failed to get HashKV: %v", err) | ||
| return false | ||
| } | ||
| if len(hashKvs) != clusterSize { | ||
| t.Logf("expected %d hashkv responses, but got: %d", clusterSize, len(hashKvs)) | ||
| return false | ||
| } | ||
| for i := 1; i < clusterSize; i++ { | ||
| if hashKvs[0].Header.Revision != hashKvs[i].Header.Revision { | ||
| t.Logf("Got different revisions, [%d, %d]", hashKvs[0].Header.Revision, hashKvs[1].Header.Revision) | ||
| return false | ||
| } | ||
|
|
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| assert.Equal(t, hashKvs[0].Hash, hashKvs[i].Hash) | ||
| } | ||
| return true | ||
| }, 10*time.Second, 500*time.Millisecond) | ||
| } |
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