func (c *config) logger() *log.Logger {
if c.l != nil {
return c.l
}
if len(c.logfile) > 0 {
if c.logfile == "-" {
c.l = log.New(os.Stdout, "", log.LstdFlags)
} else {
w := hupwriter.New(c.logfile, c.pidfile)
c.l = log.New(w, "", log.LstdFlags)
}
}
if c.l == nil {
c.l = log.New(ioutil.Discard, "", 0)
}
return c.l
}
func (c *config) toApp() (*app, error) {
// Retrieve an AWS auth.
auth, err := awsutil.GetAuth("sqs-notify")
if err != nil {
return nil, err
}
// Determine a region.
region, ok := aws.Regions[c.region]
if !ok {
return nil, errors.New("unknown region:" + c.region)
}
// logfile and pidfile.
var l *log.Logger
if len(c.logfile) > 0 {
if c.logfile == "-" {
l = log.New(os.Stdout, "", log.LstdFlags)
} else {
w := hupwriter.New(c.logfile, c.pidfile)
l = log.New(w, "", log.LstdFlags)
}
}
notify := sqsnotify.New(auth, region, c.queue)
jobs, err := c.newJobs()
if err != nil {
return nil, err
}
return &app{
logger: l,
auth: auth,
region: region,
worker: c.worker,
nowait: c.nowait,
retryMax: c.retryMax,
jobs: jobs,
notify: notify,
cmd: c.cmd,
args: c.args,
}, nil
}