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package shell
import (
"context"
"flag"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/storage/types"
"io"
"github.com/seaweedfs/seaweedfs/weed/cluster"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
)
func init() {
Commands = append(Commands, &commandClusterCheck{})
}
type commandClusterCheck struct {
}
func (c *commandClusterCheck) Name() string {
return "cluster.check"
}
func (c *commandClusterCheck) Help() string {
return `check current cluster network connectivity
cluster.check
`
}
func (c *commandClusterCheck) HasTag(CommandTag) bool {
return false
}
func (c *commandClusterCheck) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
clusterPsCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
if err = clusterPsCommand.Parse(args); err != nil {
return nil
}
// collect topology information
topologyInfo, volumeSizeLimitMb, err := collectTopologyInfo(commandEnv, 0)
if err != nil {
return err
}
fmt.Fprintf(writer, "Topology volumeSizeLimit:%d MB%s\n", volumeSizeLimitMb, diskInfosToString(topologyInfo.DiskInfos))
if len(topologyInfo.DiskInfos) == 0 {
return fmt.Errorf("no disk type defined")
}
for diskType, diskInfo := range topologyInfo.DiskInfos {
if diskInfo.MaxVolumeCount == 0 {
return fmt.Errorf("no volume available for \"%s\" disk type", diskType)
}
}
// collect filers
var filers []pb.ServerAddress
err = commandEnv.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
resp, err := client.ListClusterNodes(context.Background(), &master_pb.ListClusterNodesRequest{
ClientType: cluster.FilerType,
FilerGroup: *commandEnv.option.FilerGroup,
})
for _, node := range resp.ClusterNodes {
filers = append(filers, pb.ServerAddress(node.Address))
}
return err
})
if err != nil {
return
}
fmt.Fprintf(writer, "the cluster has %d filers: %+v\n", len(filers), filers)
if len(filers) > 0 {
genericDiskInfo, genericDiskInfoOk := topologyInfo.DiskInfos[""]
hddDiskInfo, hddDiskInfoOk := topologyInfo.DiskInfos[types.HddType]
if !genericDiskInfoOk && !hddDiskInfoOk {
return fmt.Errorf("filer metadata logs need generic or hdd disk type to be defined")
}
if (genericDiskInfoOk && genericDiskInfo.MaxVolumeCount == 0) || (hddDiskInfoOk && hddDiskInfo.MaxVolumeCount == 0) {
return fmt.Errorf("filer metadata logs need generic or hdd volumes to be available")
}
}
// collect volume servers
var volumeServers []pb.ServerAddress
t, _, err := collectTopologyInfo(commandEnv, 0)
if err != nil {
return err
}
for _, dc := range t.DataCenterInfos {
for _, r := range dc.RackInfos {
for _, dn := range r.DataNodeInfos {
volumeServers = append(volumeServers, pb.NewServerAddressFromDataNode(dn))
}
}
}
fmt.Fprintf(writer, "the cluster has %d volume servers: %+v\n", len(volumeServers), volumeServers)
// collect all masters
var masters []pb.ServerAddress
masters = append(masters, commandEnv.MasterClient.GetMasters(context.Background())...)
// check from master to volume servers
for _, master := range masters {
for _, volumeServer := range volumeServers {
fmt.Fprintf(writer, "checking master %s to volume server %s ... ", string(master), string(volumeServer))
err := pb.WithMasterClient(false, master, commandEnv.option.GrpcDialOption, false, func(client master_pb.SeaweedClient) error {
pong, err := client.Ping(context.Background(), &master_pb.PingRequest{
Target: string(volumeServer),
TargetType: cluster.VolumeServerType,
})
if err == nil {
printTiming(writer, pong.StartTimeNs, pong.RemoteTimeNs, pong.StopTimeNs)
}
return err
})
if err != nil {
fmt.Fprintf(writer, "%v\n", err)
}
}
}
// check between masters
for _, sourceMaster := range masters {
for _, targetMaster := range masters {
if sourceMaster == targetMaster {
continue
}
fmt.Fprintf(writer, "checking master %s to %s ... ", string(sourceMaster), string(targetMaster))
err := pb.WithMasterClient(false, sourceMaster, commandEnv.option.GrpcDialOption, false, func(client master_pb.SeaweedClient) error {
pong, err := client.Ping(context.Background(), &master_pb.PingRequest{
Target: string(targetMaster),
TargetType: cluster.MasterType,
})
if err == nil {
printTiming(writer, pong.StartTimeNs, pong.RemoteTimeNs, pong.StopTimeNs)
}
return err
})
if err != nil {
fmt.Fprintf(writer, "%v\n", err)
}
}
}
// check from volume servers to masters
for _, volumeServer := range volumeServers {
for _, master := range masters {
fmt.Fprintf(writer, "checking volume server %s to master %s ... ", string(volumeServer), string(master))
err := pb.WithVolumeServerClient(false, volumeServer, commandEnv.option.GrpcDialOption, func(client volume_server_pb.VolumeServerClient) error {
pong, err := client.Ping(context.Background(), &volume_server_pb.PingRequest{
Target: string(master),
TargetType: cluster.MasterType,
})
if err == nil {
printTiming(writer, pong.StartTimeNs, pong.RemoteTimeNs, pong.StopTimeNs)
}
return err
})
if err != nil {
fmt.Fprintf(writer, "%v\n", err)
}
}
}
// check from filers to masters
for _, filer := range filers {
for _, master := range masters {
fmt.Fprintf(writer, "checking filer %s to master %s ... ", string(filer), string(master))
err := pb.WithFilerClient(false, 0, filer, commandEnv.option.GrpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
pong, err := client.Ping(context.Background(), &filer_pb.PingRequest{
Target: string(master),
TargetType: cluster.MasterType,
})
if err == nil {
printTiming(writer, pong.StartTimeNs, pong.RemoteTimeNs, pong.StopTimeNs)
}
return err
})
if err != nil {
fmt.Fprintf(writer, "%v\n", err)
}
}
}
// check from filers to volume servers
for _, filer := range filers {
for _, volumeServer := range volumeServers {
fmt.Fprintf(writer, "checking filer %s to volume server %s ... ", string(filer), string(volumeServer))
err := pb.WithFilerClient(false, 0, filer, commandEnv.option.GrpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
pong, err := client.Ping(context.Background(), &filer_pb.PingRequest{
Target: string(volumeServer),
TargetType: cluster.VolumeServerType,
})
if err == nil {
printTiming(writer, pong.StartTimeNs, pong.RemoteTimeNs, pong.StopTimeNs)
}
return err
})
if err != nil {
fmt.Fprintf(writer, "%v\n", err)
}
}
}
// check between volume servers
for _, sourceVolumeServer := range volumeServers {
for _, targetVolumeServer := range volumeServers {
if sourceVolumeServer == targetVolumeServer {
continue
}
fmt.Fprintf(writer, "checking volume server %s to %s ... ", string(sourceVolumeServer), string(targetVolumeServer))
err := pb.WithVolumeServerClient(false, sourceVolumeServer, commandEnv.option.GrpcDialOption, func(client volume_server_pb.VolumeServerClient) error {
pong, err := client.Ping(context.Background(), &volume_server_pb.PingRequest{
Target: string(targetVolumeServer),
TargetType: cluster.VolumeServerType,
})
if err == nil {
printTiming(writer, pong.StartTimeNs, pong.RemoteTimeNs, pong.StopTimeNs)
}
return err
})
if err != nil {
fmt.Fprintf(writer, "%v\n", err)
}
}
}
// check between filers, and need to connect to itself
for _, sourceFiler := range filers {
for _, targetFiler := range filers {
fmt.Fprintf(writer, "checking filer %s to %s ... ", string(sourceFiler), string(targetFiler))
err := pb.WithFilerClient(false, 0, sourceFiler, commandEnv.option.GrpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
pong, err := client.Ping(context.Background(), &filer_pb.PingRequest{
Target: string(targetFiler),
TargetType: cluster.FilerType,
})
if err == nil {
printTiming(writer, pong.StartTimeNs, pong.RemoteTimeNs, pong.StopTimeNs)
}
return err
})
if err != nil {
fmt.Fprintf(writer, "%v\n", err)
}
}
}
return nil
}
func printTiming(writer io.Writer, startNs, remoteNs, stopNs int64) {
roundTripTimeMs := float32(stopNs-startNs) / 1000000
deltaTimeMs := float32(remoteNs-(startNs+stopNs)/2) / 1000000
fmt.Fprintf(writer, "ok round trip %.3fms clock delta %.3fms\n", roundTripTimeMs, deltaTimeMs)
}
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