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vsphere-influxdb-go/vendor/github.com/vmware/govmomi/govc/vm/guest/start.go

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2017-10-25 22:52:40 +02:00
/*
Copyright (c) 2014-2017 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 (
"context"
"flag"
"fmt"
"strings"
"github.com/vmware/govmomi/govc/cli"
"github.com/vmware/govmomi/vim25/types"
)
type start struct {
*GuestFlag
dir string
vars env
}
type env []string
func (e *env) String() string {
return fmt.Sprint(*e)
}
func (e *env) Set(value string) error {
*e = append(*e, value)
return nil
}
func init() {
cli.Register("guest.start", &start{})
}
func (cmd *start) Register(ctx context.Context, f *flag.FlagSet) {
cmd.GuestFlag, ctx = newGuestFlag(ctx)
cmd.GuestFlag.Register(ctx, f)
f.StringVar(&cmd.dir, "C", "", "The absolute path of the working directory for the program to start")
f.Var(&cmd.vars, "e", "Set environment variable (key=val)")
}
func (cmd *start) Process(ctx context.Context) error {
if err := cmd.GuestFlag.Process(ctx); err != nil {
return err
}
return nil
}
func (cmd *start) Usage() string {
return "PATH [ARG]..."
}
func (cmd *start) Description() string {
return `Start program in VM.
The process can have its status queried with govc guest.ps.
When the process completes, its exit code and end time will be available for 5 minutes after completion.
Examples:
govc guest.start -vm $name /bin/mount /dev/hdb1 /data
pid=$(govc guest.start -vm $name /bin/long-running-thing)
govc guest.ps -vm $name -p $pid -X`
}
func (cmd *start) Run(ctx context.Context, f *flag.FlagSet) error {
m, err := cmd.ProcessManager()
if err != nil {
return err
}
spec := types.GuestProgramSpec{
ProgramPath: f.Arg(0),
Arguments: strings.Join(f.Args()[1:], " "),
WorkingDirectory: cmd.dir,
EnvVariables: cmd.vars,
}
pid, err := m.StartProgram(ctx, cmd.Auth(), &spec)
if err != nil {
return err
}
fmt.Printf("%d\n", pid)
return nil
}