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test.go
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test.go
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// Copyright 2020 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package command
import (
"context"
"fmt"
"time"
dmpb "github.com/pingcap/dm/dm/pb"
"github.com/pingcap/errors"
"github.com/pingcap/tiup/pkg/cluster/meta"
"github.com/pingcap/tiup/pkg/utils"
"github.com/spf13/cobra"
"golang.org/x/sync/errgroup"
"google.golang.org/grpc"
"google.golang.org/grpc/backoff"
)
func newTestCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "_test <cluster-name>",
Short: "test toolkit",
Hidden: true,
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return cmd.Help()
}
clusterName := args[0]
if utils.IsNotExist(meta.ClusterPath(clusterName, meta.MetaFileName)) {
return errors.Errorf("cannot start non-exists cluster %s", clusterName)
}
metadata, err := meta.DMMetadata(clusterName)
if err != nil {
return err
}
switch args[1] {
case "readable":
return readable(metadata.Topology)
default:
fmt.Println("unknown command: ", args[1])
return cmd.Help()
}
},
}
return cmd
}
func checkMasterOnline(addr string) error {
bc := backoff.DefaultConfig
bc.MaxDelay = 2 * time.Second
conn, err := grpc.Dial(addr, grpc.WithInsecure(), grpc.WithConnectParams(grpc.ConnectParams{Backoff: bc}))
if err != nil {
return err
}
cli := dmpb.NewMasterClient(conn)
req := &dmpb.ShowDDLLocksRequest{}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
resp, err := cli.ShowDDLLocks(ctx, req)
if err == nil && !resp.Result {
return errors.Errorf("check master ddl locks failed: %s", resp.Msg)
}
return err
}
func checkWorkerOnline(addr string) error {
bc := backoff.DefaultConfig
bc.MaxDelay = 2 * time.Second
conn, err := grpc.Dial(addr, grpc.WithInsecure(), grpc.WithConnectParams(grpc.ConnectParams{Backoff: bc}))
if err != nil {
return err
}
cli := dmpb.NewWorkerClient(conn)
req := &dmpb.QueryStatusRequest{}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
resp, err := cli.QueryStatus(ctx, req)
if err == nil && !resp.Result {
return errors.Errorf("check worker status failed: %s", resp.Msg)
}
return err
}
func readable(topo *meta.DMTopologySpecification) error {
errg, _ := errgroup.WithContext(context.Background())
for _, spec := range topo.Masters {
spec := spec
errg.Go(func() error {
if err := checkMasterOnline(fmt.Sprintf("%s:%d", spec.Host, spec.Port)); err != nil {
return err
}
fmt.Printf("read dm-master %s:%d success\n", spec.Host, spec.Port)
return nil
})
}
for _, spec := range topo.Workers {
spec := spec
errg.Go(func() error {
if err := checkWorkerOnline(fmt.Sprintf("%s:%d", spec.Host, spec.Port)); err != nil {
return err
}
fmt.Printf("read dm-master %s:%d success\n", spec.Host, spec.Port)
return nil
})
}
return errg.Wait()
}