94 lines
2.0 KiB
Go
94 lines
2.0 KiB
Go
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// Copyright 2023 Mikhail Klementev. All rights reserved.
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// Use of this source code is governed by a AGPLv3 license
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// (or later) that can be found in the LICENSE file.
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package main
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import (
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"errors"
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"fmt"
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"os"
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"os/exec"
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"os/user"
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"time"
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"github.com/rs/zerolog/log"
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)
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type container struct {
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name string
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timeout time.Duration
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Volumes struct {
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LibModules string
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UsrSrc string
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Boot string
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}
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}
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func NewContainer(name string, timeout time.Duration) (c container, err error) {
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c.name = name
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c.timeout = timeout
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usr, err := user.Current()
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if err != nil {
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return
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}
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c.Volumes.LibModules = fmt.Sprintf(
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"%s/.out-of-tree/volumes/%s/lib/modules", usr.HomeDir, name)
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os.MkdirAll(c.Volumes.LibModules, 0777)
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c.Volumes.UsrSrc = fmt.Sprintf(
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"%s/.out-of-tree/volumes/%s/usr/src", usr.HomeDir, name)
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os.MkdirAll(c.Volumes.UsrSrc, 0777)
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c.Volumes.Boot = fmt.Sprintf(
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"%s/.out-of-tree/volumes/%s/boot", usr.HomeDir, name)
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os.MkdirAll(c.Volumes.Boot, 0777)
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return
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}
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func (c container) Build(imagePath string) (output string, err error) {
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args := []string{"build"}
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args = append(args, "-t", c.name, imagePath)
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cmd := exec.Command("docker", args...)
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log.Debug().Msgf("%v", cmd)
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rawOutput, err := cmd.CombinedOutput()
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output = string(rawOutput)
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return
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}
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func (c container) Run(workdir string, command string) (output string, err error) {
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cmd := exec.Command("docker", "run", "--rm",
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"-v", workdir+":/work",
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"-v", c.Volumes.LibModules+":/lib/modules",
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"-v", c.Volumes.UsrSrc+":/usr/src",
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"-v", c.Volumes.Boot+":/boot",
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c.name, "bash", "-c", "cd /work && "+command)
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log.Debug().Msgf("%v", cmd)
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timer := time.AfterFunc(c.timeout, func() {
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log.Info().Str("container", c.name).
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Str("workdir", workdir).
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Str("command", command).
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Msg("killing container by timeout")
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cmd.Process.Kill()
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})
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defer timer.Stop()
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raw, err := cmd.CombinedOutput()
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if err != nil {
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e := fmt.Sprintf("error `%v` for cmd `%v` with output `%v`",
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err, command, string(raw))
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err = errors.New(e)
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return
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}
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output = string(raw)
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return
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}
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