git-sync/pkg/hook/exechook.go

80 lines
1.9 KiB
Go

/*
Copyright 2021 The Kubernetes Authors 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 hook
import (
"context"
"fmt"
"os"
"path/filepath"
"time"
"k8s.io/git-sync/pkg/cmd"
)
// Exechook structure, implements Hook
type Exechook struct {
// Runner
cmdrunner *cmd.Runner
// Command to run
command string
// Command args
args []string
// Git root path
gitRoot string
// Timeout for the command
timeout time.Duration
// Logger
log logintf
}
// NewExechook returns a new Exechook
func NewExechook(cmdrunner *cmd.Runner, command, gitroot string, args []string, timeout time.Duration, log logintf) *Exechook {
return &Exechook{
cmdrunner: cmdrunner,
command: command,
gitRoot: gitroot,
args: args,
timeout: timeout,
log: log,
}
}
// Name describes hook, implements Hook.Name
func (h *Exechook) Name() string {
return "exechook"
}
// Do runs exechook.command, implements Hook.Do
func (h *Exechook) Do(ctx context.Context, hash string) error {
ctx, cancel := context.WithTimeout(ctx, h.timeout)
defer cancel()
worktreePath := filepath.Join(h.gitRoot, hash)
env := os.Environ()
env = append(env, envKV("GITSYNC_HASH", hash))
h.log.V(0).Info("running exechook", "command", h.command, "timeout", h.timeout)
_, err := h.cmdrunner.Run(ctx, worktreePath, env, h.command, h.args...)
return err
}
func envKV(k, v string) string {
return fmt.Sprintf("%s=%s", k, v)
}