runner/internal/pkg/envcheck/docker.go
Zettat123 ccc27329dc Improve the usage of docker_host configuration (#260)
Follow #242, #244
Fixes #258

Users could use `docker_host` configuration to specify which docker daemon will be used by act_runner.
- If `docker_host` is **empty**, act_runner will find an available docker host automatically.
- If `docker_host` is **"-"**, act_runner will find an available docker host automatically, but the docker host won't be mounted to the job containers and service containers.
- If `docker_host` is **not empty or "-"**, the specified docker host will be used. An error will be returned if it doesn't work.

Reviewed-on: https://gitea.com/gitea/act_runner/pulls/260
Co-authored-by: Zettat123 <zettat123@gmail.com>
Co-committed-by: Zettat123 <zettat123@gmail.com>
2023-06-30 04:00:04 +00:00

34 lines
628 B
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package envcheck
import (
"context"
"fmt"
"github.com/docker/docker/client"
)
func CheckIfDockerRunning(ctx context.Context, configDockerHost string) error {
opts := []client.Opt{
client.FromEnv,
}
if configDockerHost != "" {
opts = append(opts, client.WithHost(configDockerHost))
}
cli, err := client.NewClientWithOpts(opts...)
if err != nil {
return err
}
defer cli.Close()
_, err = cli.Ping(ctx)
if err != nil {
return fmt.Errorf("cannot ping the docker daemon, does it running? %w", err)
}
return nil
}