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Adds package-level documentation comments across cmd and internal packages. Marks unused function parameters with underscore prefix to satisfy linter requirements. Replaces if-else chains with switch statements for better readability. Explicitly ignores os.Setenv return value where error handling is not needed.
36 lines
726 B
Go
36 lines
726 B
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package envcheck
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import (
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"context"
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"fmt"
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"github.com/docker/docker/client"
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)
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// CheckIfDockerRunning verifies that the Docker daemon is running and accessible.
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func CheckIfDockerRunning(ctx context.Context, configDockerHost string) error {
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opts := []client.Opt{
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client.FromEnv,
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}
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if configDockerHost != "" {
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opts = append(opts, client.WithHost(configDockerHost))
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}
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cli, err := client.NewClientWithOpts(opts...)
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if err != nil {
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return err
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}
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defer func() { _ = cli.Close() }()
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_, err = cli.Ping(ctx)
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if err != nil {
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return fmt.Errorf("cannot ping the docker daemon, is it running? %w", err)
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}
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return nil
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}
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