241 lines
5.9 KiB
Go
241 lines
5.9 KiB
Go
package auto
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import (
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"bytes"
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"encoding/json"
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"os/exec"
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"strings"
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"github.com/pkg/errors"
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)
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func (s *stack) Up() (UpResult, error) {
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var upResult UpResult
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err := s.initOrSelectStack()
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if err != nil {
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return upResult, err
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}
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stdout, stderr, code, err := s.runCmd("pulumi", "up", "--yes")
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if err != nil {
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return upResult, newAutoError(err, stdout, stderr, code)
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}
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outs, secrets, err := s.outputs()
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if err != nil {
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return upResult, err
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}
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summary, err := s.summary()
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if err != nil {
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return upResult, err
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}
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return UpResult{
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StdOut: stdout,
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StdErr: stderr,
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Outputs: outs,
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SecretOutputs: secrets,
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Summary: summary,
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}, nil
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}
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type UpResult struct {
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StdOut string
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StdErr string
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Outputs map[string]interface{}
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SecretOutputs map[string]interface{}
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Summary UpdateSummary
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}
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func (s *stack) initOrSelectStack() error {
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_, _, _, err := s.runCmd("pulumi", "stack", "select", s.Name)
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if err != nil {
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stdout, stderr, code, err := s.runCmd("pulumi", "stack", "init", s.Name)
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if err != nil {
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return newAutoError(errors.Wrap(err, "unable to select or init stack"), stdout, stderr, code)
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}
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}
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return nil
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}
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const secretSentinel = "[secret]"
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func (s *stack) Outputs() (map[string]interface{}, map[string]interface{}, error) {
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err := s.initOrSelectStack()
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if err != nil {
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return nil, nil, err
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}
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return s.outputs()
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}
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// outputs returns a set of plain outputs, secret outputs, and an error
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func (s *stack) outputs() (map[string]interface{}, map[string]interface{}, error) {
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// standard outputs
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outStdout, outStderr, code, err := s.runCmd("pulumi", "stack", "output", "--json")
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if err != nil {
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return nil, nil, newAutoError(errors.Wrap(err, "could not get outputs"), outStdout, outStderr, code)
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}
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// secret outputs
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secretStdout, secretStderr, code, err := s.runCmd("pulumi", "stack", "output", "--json", "--show-secrets")
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if err != nil {
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return nil, nil, newAutoError(errors.Wrap(err, "could not get secret outputs"), outStdout, outStderr, code)
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}
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var outputs map[string]interface{}
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var secrets map[string]interface{}
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if err = json.Unmarshal([]byte(outStdout), &outputs); err != nil {
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return nil, nil, errors.Wrapf(err, "error unmarshalling outputs: %s", secretStderr)
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}
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if err = json.Unmarshal([]byte(secretStdout), &secrets); err != nil {
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return nil, nil, errors.Wrapf(err, "error unmarshalling secret outputs: %s", secretStderr)
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}
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for k, v := range outputs {
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if v == secretSentinel {
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delete(outputs, k)
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} else {
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delete(secrets, k)
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}
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}
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return outputs, secrets, nil
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}
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func (s *stack) User() (string, error) {
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err := s.initOrSelectStack()
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if err != nil {
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return "", errors.Wrap(err, "could not initialize or select stack")
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}
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outStdout, outStderr, code, err := s.runCmd("pulumi", "whoami")
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if err != nil {
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return "", newAutoError(errors.Wrap(err, "could not detect user"), outStdout, outStderr, code)
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}
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return strings.TrimSpace(outStdout), nil
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}
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func (s *stack) SetConfig(config map[string]string) error {
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err := s.initOrSelectStack()
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if err != nil {
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return err
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}
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return s.setConfig(config)
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}
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func (s *stack) setConfig(config map[string]string) error {
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var stdout bytes.Buffer
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var stderr bytes.Buffer
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for k, v := range config {
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// TODO verify escaping
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outstr, errstr, code, err := s.runCmd("pulumi", "config", "set", k, v)
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stdout.WriteString(outstr)
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stderr.WriteString(errstr)
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if err != nil {
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return newAutoError(errors.Wrap(err, "unable to set config"), stdout.String(), stderr.String(), code)
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}
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}
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return nil
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}
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func (s *stack) SetSecrets(secrets map[string]string) error {
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err := s.initOrSelectStack()
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if err != nil {
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return err
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}
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return s.setSecrets(secrets)
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}
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func (s *stack) setSecrets(secrets map[string]string) error {
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var stdout bytes.Buffer
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var stderr bytes.Buffer
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for k, v := range secrets {
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// TODO verify escaping
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outstr, errstr, code, err := s.runCmd("pulumi", "config", "set", k, v)
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stdout.WriteString(outstr)
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stderr.WriteString(errstr)
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if err != nil {
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return newAutoError(
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errors.Wrap(err, "unable to set secret config"), stdout.String(), stderr.String(), code,
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)
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}
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}
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return nil
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}
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func (s *stack) Summary() (UpdateSummary, error) {
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var zero UpdateSummary
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err := s.initOrSelectStack()
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if err != nil {
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return zero, err
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}
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return s.summary()
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}
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func (s *stack) summary() (UpdateSummary, error) {
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var res UpdateSummary
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stdout, stderr, code, err := s.runCmd("pulumi", "history", "--json")
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if err != nil {
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return res, newAutoError(errors.Wrap(err, "could not get outputs"), stdout, stderr, code)
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}
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var history []UpdateSummary
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err = json.Unmarshal([]byte(stdout), &history)
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if err != nil {
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return res, errors.Wrap(err, "unable to unmarshal history result")
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}
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if len(history) != 0 {
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res = history[0]
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}
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return res, nil
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}
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// lifted from:
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// https://github.com/pulumi/pulumi/blob/66bd3f4aa8f9a90d3de667828dda4bed6e115f6b/pkg/cmd/pulumi/history.go#L91
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type UpdateSummary struct {
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Kind string `json:"kind"`
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StartTime string `json:"startTime"`
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Message string `json:"message"`
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Environment map[string]string `json:"environment"`
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Config map[string]interface{} `json:"config"`
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Result string `json:"result,omitempty"`
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// These values are only present once the update finishes
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EndTime *string `json:"endTime,omitempty"`
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ResourceChanges *map[string]int `json:"resourceChanges,omitempty"`
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}
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// runCmd execs the given command with appropriate stack context
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// returning stdout, stderr, exitcode, and an error value
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func (s *stack) runCmd(name string, arg ...string) (string, string, int, error) {
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cmd := exec.Command(name, arg...)
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cmd.Dir = s.SourcePath
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var stdout bytes.Buffer
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var stderr bytes.Buffer
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cmd.Stdout = &stdout
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cmd.Stderr = &stderr
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code := -2 // unknown
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err := cmd.Run()
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if exitError, ok := err.(*exec.ExitError); ok {
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code = exitError.ExitCode()
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}
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return stdout.String(), stderr.String(), code, err
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}
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