Files
tidb/pkg/util/cdcutil/cdc_test.go

168 lines
8.0 KiB
Go

// Copyright 2024 PingCAP, Inc.
//
// 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 cdcutil_test
import (
"context"
"path"
"strconv"
"testing"
"github.com/pingcap/tidb/pkg/util/cdcutil"
"github.com/stretchr/testify/require"
clientv3 "go.etcd.io/etcd/client/v3"
"go.etcd.io/etcd/tests/v3/integration"
)
func TestCDCCheckWithEmbedEtcd(t *testing.T) {
integration.BeforeTestExternal(t)
testEtcdCluster := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
defer testEtcdCluster.Terminate(t)
cli := testEtcdCluster.RandClient()
t.Run("testGetCDCChangefeedNameSet", func(t *testing.T) { testGetCDCChangefeedNameSet(t, cli) })
cli.KV.Delete(context.Background(), "", clientv3.WithPrefix())
t.Run("testGEtConflictChangefeeds", func(t *testing.T) { testGetConflictChangefeeds(t, cli) })
}
func testGetConflictChangefeeds(t *testing.T, cli *clientv3.Client) {
checkEtcdPut := func(key string, vals ...string) {
val := ""
if len(vals) == 1 {
val = vals[0]
}
_, err := cli.Put(context.Background(), key, val)
require.NoError(t, err)
}
putLameChangefeed := func(name string, status string, startTs uint64) {
checkEtcdPut(
path.Join("/tidb/cdc/default/default/changefeed/info/", name),
`{"state":"`+status+`", "start-ts": `+strconv.Itoa(int(startTs))+`}`,
)
}
putChangefeed := func(name string, status string, startTs uint64, checkpointTs uint64) {
putLameChangefeed(name, status, startTs)
checkEtcdPut(path.Join("/tidb/cdc/default/default/changefeed/status/", name), `{"checkpoint-ts": `+strconv.Itoa(int(checkpointTs))+`}`)
}
checkEtcdPut("/tidb/cdc/default/__cdc_meta__/capture/3ecd5c98-0148-4086-adfd-17641995e71f")
checkEtcdPut("/tidb/cdc/default/__cdc_meta__/meta/meta-version")
checkEtcdPut("/tidb/cdc/default/__cdc_meta__/meta/ticdc-delete-etcd-key-count")
checkEtcdPut("/tidb/cdc/default/__cdc_meta__/owner/22318498f4dd6639")
checkEtcdPut("/tidb/cdc/default/default/upstream/7168358383033671922")
putChangefeed("st-ok", "normal", 1, 43)
putChangefeed("st-fail", "normal", 1, 41)
putLameChangefeed("skipped", "finished", 1)
putChangefeed("not-skipped", "failed", 1, 41)
putLameChangefeed("nost-ok", "normal", 43)
putLameChangefeed("nost-fail", "normal", 41)
names, err := cdcutil.GetIncompatibleChangefeedsWithSafeTS(context.Background(), cli, 42)
require.NoError(t, err)
require.ElementsMatch(t, names.TESTGetChangefeedNames(), []string{
"default/default/not-skipped",
"default/default/nost-fail",
"default/default/st-fail",
})
names2, err := cdcutil.GetIncompatibleChangefeedsWithSafeTS(context.Background(), cli, 40)
require.NoError(t, err)
require.ElementsMatch(t, names2.TESTGetChangefeedNames(), []string{})
names3, err := cdcutil.GetIncompatibleChangefeedsWithSafeTS(context.Background(), cli, 48)
require.NoError(t, err)
require.ElementsMatch(t, names3.TESTGetChangefeedNames(), []string{
"default/default/not-skipped",
"default/default/nost-fail",
"default/default/st-fail",
"default/default/nost-ok",
"default/default/st-ok",
})
}
func testGetCDCChangefeedNameSet(t *testing.T, cli *clientv3.Client) {
ctx := context.Background()
checkEtcdPut := func(key string, vals ...string) {
val := ""
if len(vals) == 1 {
val = vals[0]
}
_, err := cli.Put(ctx, key, val)
require.NoError(t, err)
}
nameSet, err := cdcutil.GetRunningChangefeeds(ctx, cli)
require.NoError(t, err)
require.True(t, nameSet.Empty())
// TiCDC >= v6.2
checkEtcdPut("/tidb/cdc/default/__cdc_meta__/capture/3ecd5c98-0148-4086-adfd-17641995e71f")
checkEtcdPut("/tidb/cdc/default/__cdc_meta__/meta/meta-version")
checkEtcdPut("/tidb/cdc/default/__cdc_meta__/meta/ticdc-delete-etcd-key-count")
checkEtcdPut("/tidb/cdc/default/__cdc_meta__/owner/22318498f4dd6639")
checkEtcdPut(
"/tidb/cdc/default/default/changefeed/info/test",
`{"state":"normal"}`,
)
checkEtcdPut(
"/tidb/cdc/default/default/changefeed/info/test-1",
`{"state":"finished"}`,
)
checkEtcdPut("/tidb/cdc/default/default/changefeed/status/test-1")
checkEtcdPut("/tidb/cdc/default/default/task/position/3ecd5c98-0148-4086-adfd-17641995e71f/test-1")
checkEtcdPut("/tidb/cdc/default/default/upstream/7168358383033671922")
nameSet, err = cdcutil.GetRunningChangefeeds(ctx, cli)
require.NoError(t, err)
require.False(t, nameSet.Empty())
require.ElementsMatch(t, nameSet.TESTGetChangefeedNames(), []string{"default/default/test"})
_, err = cli.Delete(ctx, "/tidb/cdc/", clientv3.WithPrefix())
require.NoError(t, err)
// TiCDC <= v6.1
checkEtcdPut("/tidb/cdc/capture/f14cb04d-5ba1-410e-a59b-ccd796920e9d")
checkEtcdPut(
"/tidb/cdc/changefeed/info/test",
`{"state":"stopped"}`,
)
checkEtcdPut("/tidb/cdc/job/test")
checkEtcdPut("/tidb/cdc/owner/223184ad80a88b0b")
checkEtcdPut("/tidb/cdc/task/position/f14cb04d-5ba1-410e-a59b-ccd796920e9d/test")
nameSet, err = cdcutil.GetRunningChangefeeds(ctx, cli)
require.NoError(t, err)
require.False(t, nameSet.Empty())
require.ElementsMatch(t, nameSet.TESTGetChangefeedNames(), []string{"<nil>/test"})
_, err = cli.Delete(ctx, "/tidb/cdc/", clientv3.WithPrefix())
require.NoError(t, err)
// ignore __backup__ changefeed
checkEtcdPut(
"/tidb/cdc/__backup__/changefeed/info/test",
`{"upstream-id":7195826648407968958,"namespace":"default","changefeed-id":"test-1","sink-uri":"mysql://root@127.0.0.1:3306?time-zone=","create-time":"2023-02-03T15:23:34.773768+08:00","start-ts":439198420741652483,"target-ts":0,"admin-job-type":0,"sort-engine":"unified","sort-dir":"","config":{"memory-quota":1073741824,"case-sensitive":true,"enable-old-value":true,"force-replicate":false,"check-gc-safe-point":true,"enable-sync-point":false,"bdr-mode":false,"sync-point-interval":600000000000,"sync-point-retention":86400000000000,"filter":{"rules":["*.*"],"ignore-txn-start-ts":null,"event-filters":null},"mounter":{"worker-num":16},"sink":{"transaction-atomicity":"","protocol":"","dispatchers":null,"csv":{"delimiter":",","quote":"\"","null":"\\N","include-commit-ts":false},"column-selectors":null,"schema-registry":"","encoder-concurrency":16,"terminator":"\r\n","date-separator":"none","enable-partition-separator":false},"consistent":{"level":"none","max-log-size":64,"flush-interval":2000,"storage":""},"scheduler":{"region-per-span":0}},"state":"normal","error":null,"creator-version":"v6.5.0-master-dirty"}`,
)
// ignore cluster id only changefeed
checkEtcdPut(
"/tidb/cdc/5402613591834624000/changefeed/info/test",
`{"upstream-id":7195826648407968958,"namespace":"default","changefeed-id":"test-1","sink-uri":"mysql://root@127.0.0.1:3306?time-zone=","create-time":"2023-02-03T15:23:34.773768+08:00","start-ts":439198420741652483,"target-ts":0,"admin-job-type":0,"sort-engine":"unified","sort-dir":"","config":{"memory-quota":1073741824,"case-sensitive":true,"enable-old-value":true,"force-replicate":false,"check-gc-safe-point":true,"enable-sync-point":false,"bdr-mode":false,"sync-point-interval":600000000000,"sync-point-retention":86400000000000,"filter":{"rules":["*.*"],"ignore-txn-start-ts":null,"event-filters":null},"mounter":{"worker-num":16},"sink":{"transaction-atomicity":"","protocol":"","dispatchers":null,"csv":{"delimiter":",","quote":"\"","null":"\\N","include-commit-ts":false},"column-selectors":null,"schema-registry":"","encoder-concurrency":16,"terminator":"\r\n","date-separator":"none","enable-partition-separator":false},"consistent":{"level":"none","max-log-size":64,"flush-interval":2000,"storage":""},"scheduler":{"region-per-span":0}},"state":"normal","error":null,"creator-version":"v6.5.0-master-dirty"}`,
)
nameSet, err = cdcutil.GetRunningChangefeeds(ctx, cli)
require.NoError(t, err)
require.True(t, nameSet.Empty())
}