95 lines
2.0 KiB
Go
95 lines
2.0 KiB
Go
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package dockertestutil
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import (
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"bytes"
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"errors"
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"fmt"
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"time"
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"github.com/ory/dockertest/v3"
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)
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const dockerExecuteTimeout = time.Second * 10
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var (
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ErrDockertestCommandFailed = errors.New("dockertest command failed")
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ErrDockertestCommandTimeout = errors.New("dockertest command timed out")
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)
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type ExecuteCommandConfig struct {
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timeout time.Duration
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}
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type ExecuteCommandOption func(*ExecuteCommandConfig) error
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func ExecuteCommandTimeout(timeout time.Duration) ExecuteCommandOption {
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return ExecuteCommandOption(func(conf *ExecuteCommandConfig) error {
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conf.timeout = timeout
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return nil
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})
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}
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func ExecuteCommand(
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resource *dockertest.Resource,
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cmd []string,
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env []string,
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options ...ExecuteCommandOption,
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) (string, string, error) {
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var stdout bytes.Buffer
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var stderr bytes.Buffer
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execConfig := ExecuteCommandConfig{
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timeout: dockerExecuteTimeout,
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}
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for _, opt := range options {
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if err := opt(&execConfig); err != nil {
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return "", "", fmt.Errorf("execute-command/options: %w", err)
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}
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}
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type result struct {
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exitCode int
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err error
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}
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resultChan := make(chan result, 1)
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// Run your long running function in it's own goroutine and pass back it's
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// response into our channel.
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go func() {
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exitCode, err := resource.Exec(
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cmd,
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dockertest.ExecOptions{
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Env: append(env, "HEADSCALE_LOG_LEVEL=disabled"),
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StdOut: &stdout,
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StdErr: &stderr,
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},
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)
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resultChan <- result{exitCode, err}
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}()
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// Listen on our channel AND a timeout channel - which ever happens first.
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select {
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case res := <-resultChan:
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if res.err != nil {
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return stdout.String(), stderr.String(), res.err
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}
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if res.exitCode != 0 {
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// Uncomment for debugging
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// log.Println("Command: ", cmd)
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// log.Println("stdout: ", stdout.String())
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// log.Println("stderr: ", stderr.String())
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return stdout.String(), stderr.String(), ErrDockertestCommandFailed
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}
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return stdout.String(), stderr.String(), nil
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case <-time.After(execConfig.timeout):
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return stdout.String(), stderr.String(), ErrDockertestCommandTimeout
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}
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}
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