odboy
bd6f20d7c5
- proc.nohup：后台运行命令并将 stdout/stderr 追加写入日志， Unix 下新会话、Windows 下 DETACHED_PROCESS 脱离终端 - docker.save：等价 docker save <镜像> -o <镜像名>.tar，文件名按 仓库名+标签生成（alpine:3.20 → alpine_3.20.tar），传镜像 ID 时 先解析出对应名称；docker.load 改为归档文件作位置参数 - 移除 Podman 支持，所有容器命令只走 docker
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
// Package diagnose explains why a container or Pod is in its current state.
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// It knows how to inspect Docker containers and Kubernetes Pods, and
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// falls back to a built-in implementation so the output is identical on every
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// platform.
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package diagnose
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import (
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"bytes"
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"context"
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"errors"
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"os/exec"
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)
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// CommandResult is the output of one external command.
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type CommandResult struct {
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Stdout []byte
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Stderr []byte
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ExitCode int
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}
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// Runner executes external programs. It is an interface so diagnoses can be
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// tested without docker or kubectl.
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type Runner interface {
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LookPath(name string) (string, error)
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Run(ctx context.Context, name string, args ...string) (CommandResult, error)
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}
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// ExecRunner runs commands on the host.
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type ExecRunner struct{}
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// LookPath reports whether a program is available on PATH.
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func (ExecRunner) LookPath(name string) (string, error) {
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return exec.LookPath(name)
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}
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// Run executes a command and captures its output.
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func (ExecRunner) Run(ctx context.Context, name string, args ...string) (CommandResult, error) {
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cmd := exec.CommandContext(ctx, name, args...)
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var stdout, stderr bytes.Buffer
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cmd.Stdout = &stdout
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cmd.Stderr = &stderr
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err := cmd.Run()
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result := CommandResult{Stdout: stdout.Bytes(), Stderr: stderr.Bytes()}
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if err == nil {
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return result, nil
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}
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var exitErr *exec.ExitError
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if errors.As(err, &exitErr) {
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result.ExitCode = exitErr.ExitCode()
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}
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return result, err
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}
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