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/
ps.go
104 lines (79 loc) · 2.11 KB
/
ps.go
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/*
Copyright (c) 2014 VMware, Inc. All Rights Reserved.
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 guest
import (
"flag"
"fmt"
"os"
"strconv"
"text/tabwriter"
"github.com/vmware/govmomi/govc/cli"
"golang.org/x/net/context"
)
type ps struct {
*GuestFlag
every bool
pids pidSelector
uids uidSelector
}
type pidSelector []int64
func (s *pidSelector) String() string {
return fmt.Sprint(*s)
}
func (s *pidSelector) Set(value string) error {
v, err := strconv.ParseInt(value, 0, 64)
if err != nil {
return err
}
*s = append(*s, v)
return nil
}
type uidSelector map[string]bool
func (s uidSelector) String() string {
return ""
}
func (s uidSelector) Set(value string) error {
s[value] = true
return nil
}
func init() {
cli.Register("guest.ps", &ps{})
}
func (cmd *ps) Register(f *flag.FlagSet) {
cmd.uids = make(map[string]bool)
f.BoolVar(&cmd.every, "e", false, "Select all processes")
f.Var(&cmd.pids, "p", "Select by process ID")
f.Var(&cmd.uids, "U", "Select by process UID")
}
func (cmd *ps) Process() error { return nil }
func (cmd *ps) Run(f *flag.FlagSet) error {
m, err := cmd.ProcessManager()
if err != nil {
return err
}
if !cmd.every && len(cmd.uids) == 0 {
cmd.uids[cmd.auth.Username] = true
}
procs, err := m.ListProcesses(context.TODO(), cmd.Auth(), cmd.pids)
if err != nil {
return err
}
tw := tabwriter.NewWriter(os.Stdout, 4, 0, 2, ' ', 0)
fmt.Fprintf(tw, "%s\t%s\t%s\t%s\n", "UID", "PID", "STIME", "CMD")
for _, p := range procs {
if cmd.every || cmd.uids[p.Owner] {
fmt.Fprintf(tw, "%s\t%d\t%s\t%s\n", p.Owner, p.Pid, p.StartTime.Format("15:04"), p.CmdLine)
}
}
return tw.Flush()
}