seaweedfs/weed/shell/command_cluster_ps.go

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2021-11-06 00:39:41 +00:00
package shell
import (
"context"
"flag"
"fmt"
"io"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
)
func init() {
Commands = append(Commands, &commandClusterPs{})
}
type commandClusterPs struct {
}
func (c *commandClusterPs) Name() string {
return "cluster.ps"
}
func (c *commandClusterPs) Help() string {
return `check current cluster process status
cluster.ps
`
}
func (c *commandClusterPs) 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
}
err = commandEnv.MasterClient.WithClient(func(client master_pb.SeaweedClient) error {
resp, err := client.ListClusterNodes(context.Background(), &master_pb.ListClusterNodesRequest{
ClientType: "filer",
})
fmt.Fprintf(writer, "the cluster has %d filers\n", len(resp.ClusterNodes))
for _, node := range resp.ClusterNodes {
fmt.Fprintf(writer, " * %s (%v)\n", node.Address, node.Version)
}
return err
})
if err != nil {
return
}
return nil
}