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ee0fe1a86a
In this way, finalizer in strict environment can override the default shell used to run commands. The shell keyword is a list, as it needs to contain the full command + args.
91 lines
2.4 KiB
Go
91 lines
2.4 KiB
Go
// Copyright © 2019 Ettore Di Giacinto <mudler@gentoo.org>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, see <http://www.gnu.org/licenses/>.
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package installer
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import (
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"os/exec"
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"github.com/ghodss/yaml"
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box "github.com/mudler/luet/pkg/box"
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. "github.com/mudler/luet/pkg/logger"
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"github.com/pkg/errors"
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)
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type LuetFinalizer struct {
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Shell []string `json:"shell"`
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Install []string `json:"install"`
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Uninstall []string `json:"uninstall"` // TODO: Where to store?
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}
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func (f *LuetFinalizer) RunInstall(s *System) error {
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var cmd string
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var args []string
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if len(f.Shell) == 0 {
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// Default to sh otherwise
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cmd = "sh"
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args = []string{"-c"}
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} else {
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cmd = f.Shell[0]
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if len(f.Shell) > 1 {
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args = f.Shell[1:]
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}
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}
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for _, c := range f.Install {
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toRun := append(args, c)
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Info("Executing finalizer on ", s.Target, cmd, toRun)
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if s.Target == "/" {
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cmd := exec.Command(cmd, toRun...)
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stdoutStderr, err := cmd.CombinedOutput()
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if err != nil {
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return errors.Wrap(err, "Failed running command: "+string(stdoutStderr))
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}
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Info(string(stdoutStderr))
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} else {
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b := box.NewBox(cmd, toRun, s.Target, false, true, true)
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err := b.Run()
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if err != nil {
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return errors.Wrap(err, "Failed running command ")
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}
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}
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}
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return nil
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}
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// TODO: We don't store uninstall finalizers ?!
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func (f *LuetFinalizer) RunUnInstall() error {
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for _, c := range f.Uninstall {
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Debug("finalizer:", "sh", "-c", c)
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cmd := exec.Command("sh", "-c", c)
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stdoutStderr, err := cmd.CombinedOutput()
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if err != nil {
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return errors.Wrap(err, "Failed running command: "+string(stdoutStderr))
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}
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Info(string(stdoutStderr))
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}
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return nil
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}
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func NewLuetFinalizerFromYaml(data []byte) (*LuetFinalizer, error) {
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var p LuetFinalizer
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err := yaml.Unmarshal(data, &p)
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if err != nil {
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return &p, err
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}
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return &p, err
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}
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