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Merge pull request #11805 from runcom/11804-remove-err-field-job-struct

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Remove err field from Job struct
This commit is contained in:
Michael Crosby 2015-03-27 16:27:04 -07:00
commit 789a67e931
1 changed files with 31 additions and 34 deletions
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65
engine/job.go
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@ -17,12 +17,7 @@ import (
// download an archive from the internet, serve the http api, etc.
//
// The job API is designed after unix processes: a job has a name, arguments,
// environment variables, standard streams for input, output and error, and
// an exit status which can indicate success (0) or error (anything else).
//
// For status, 0 indicates success, and any other integers indicates an error.
// This allows for richer error reporting.
//
// environment variables, standard streams for input, output and error.
type Job struct {
Eng *Engine
Name string
@ -32,7 +27,6 @@ type Job struct {
Stderr *Output
Stdin *Input
handler Handler
err error
end time.Time
closeIO bool
@ -45,7 +39,22 @@ type Job struct {
// Run executes the job and blocks until the job completes.
// If the job fails it returns an error
func (job *Job) Run() error {
func (job *Job) Run() (err error) {
defer func() {
// Wait for all background tasks to complete
if job.closeIO {
if err := job.Stdout.Close(); err != nil {
logrus.Error(err)
}
if err := job.Stderr.Close(); err != nil {
logrus.Error(err)
}
if err := job.Stdin.Close(); err != nil {
logrus.Error(err)
}
}
}()
if job.Eng.IsShutdown() && !job.GetenvBool("overrideShutdown") {
return fmt.Errorf("engine is shutdown")
}
@ -69,32 +78,25 @@ func (job *Job) Run() error {
if job.Eng.Logging {
logrus.Infof("+job %s", job.CallString())
defer func() {
// what if err is nil?
logrus.Infof("-job %s%s", job.CallString(), job.err)
okerr := "OK"
if err != nil {
okerr = fmt.Sprintf("ERR: %s", err)
}
logrus.Infof("-job %s %s", job.CallString(), okerr)
}()
}
var errorMessage = bytes.NewBuffer(nil)
job.Stderr.Add(errorMessage)
if job.handler == nil {
job.err = fmt.Errorf("%s: command not found", job.Name)
} else {
job.err = job.handler(job)
job.end = time.Now()
}
if job.closeIO {
// Wait for all background tasks to complete
if err := job.Stdout.Close(); err != nil {
return err
}
if err := job.Stderr.Close(); err != nil {
return err
}
if err := job.Stdin.Close(); err != nil {
return err
}
return fmt.Errorf("%s: command not found", job.Name)
}
return job.err
var errorMessage = bytes.NewBuffer(nil)
job.Stderr.Add(errorMessage)
err = job.handler(job)
job.end = time.Now()
return
}
func (job *Job) CallString() string {
@ -195,11 +197,6 @@ func (job *Job) Environ() map[string]string {
return job.env.Map()
}
func (job *Job) Logf(format string, args ...interface{}) (n int, err error) {
prefixedFormat := fmt.Sprintf("[%s] %s\n", job, strings.TrimRight(format, "\n"))
return fmt.Fprintf(job.Stderr, prefixedFormat, args...)
}
func (job *Job) Printf(format string, args ...interface{}) (n int, err error) {
return fmt.Fprintf(job.Stdout, format, args...)
}