func (d *decision) emailError(reason string) (string, error) {
runid := strings.Replace(d.runid, "=", "!=", 1)
msg := "https://console.aws.amazon.com/swf/home?region=us-east-1#execution_events:domain=" + swfDomain + ";workflowId=" + d.workflowid + ";runId=" + runid
err := amazon.SESSendEmail("*****@*****.**", helpdesk, "Workflow "+reason+" Occured", msg)
if err != nil {
return "", err
}
Info.Printf("Error emailed to %v", helpdesk)
return helpdesk, nil
}
func main() {
flag.BoolVar(&stdout, "stdout", false, "Log to stdout")
flag.Parse()
// initialise logs
Info, Error = file.InitLogs(stdout, "/var/rapiddecider", "rapiddecider")
Info.Println("Starting rapiddecider =================>")
// start workflow
swfsvc := swf.New(session.New(), &aws.Config{Region: aws.String("us-east-1")})
params := &swf.PollForDecisionTaskInput{
Domain: aws.String(swfDomain), //
TaskList: &swf.TaskList{ //
Name: aws.String(swfTasklist), //
},
Identity: aws.String(swfIdentity),
MaximumPageSize: aws.Int64(100),
ReverseOrder: aws.Bool(true),
}
// loop forever while polling for work
for {
resp, err := swfsvc.PollForDecisionTask(params)
if err != nil {
amazon.SESSendEmail("*****@*****.**", helpdesk, swfIdentity+" unable to pole", err.Error())
Error.Printf("error: unable to poll for decision: %v\n", err)
//panic("Broken, check logs")
}
// if we do not receive a task token then 60 second time out occured so try again
if resp.TaskToken != nil {
if *resp.TaskToken != "" {
// Re-initialise logs so we get latest date
Info, Error = file.InitLogs(stdout, "/var/rapiddecider", "rapiddecider")
d := &decision{
svc: swfsvc,
tt: *resp.TaskToken,
runid: *resp.WorkflowExecution.RunId,
workflowid: *resp.WorkflowExecution.WorkflowId,
}
// make each decision in a goroutine which means that multiple decisions can be made
go d.makeDecision(resp.Events, resp.WorkflowExecution.RunId)
}
} else {
Info.Printf("debug - no decisions required\n")
}
}
}