update api change and remove os.exit

examples/client.go

@@ -272,7 +272,7 @@ func main() {
 			fmt.Println(err)
 			os.Exit(1)
 		}
-		updateJob := realis.NewUpdateJob(taskConfig)
+		updateJob := realis.NewDefaultUpdateJob(taskConfig)
 		updateJob.InstanceCount(5).RAM(128)
 
 		resp, err := r.StartJobUpdate(updateJob, "")

monitors.go

@@ -20,7 +20,6 @@ import (
 	"github.com/pkg/errors"
 	"github.com/rdelval/gorealis/gen-go/apache/aurora"
 	"github.com/rdelval/gorealis/response"
-	"os"
 	"time"
 )
 
@@ -29,7 +28,7 @@ type Monitor struct {
 }
 
 // Polls the scheduler every certain amount of time to see if the update has succeeded
-func (m *Monitor) JobUpdate(updateKey aurora.JobUpdateKey, interval int, timeout int) bool {
+func (m *Monitor) JobUpdate(updateKey aurora.JobUpdateKey, interval int, timeout int) (bool, error) {
 
 	updateQ := aurora.JobUpdateQuery{
 		Key:   &updateKey,
@@ -40,14 +39,14 @@ func (m *Monitor) JobUpdate(updateKey aurora.JobUpdateKey, interval int, timeout
 		respDetail, err := m.Client.JobUpdateDetails(updateQ)
 		if err != nil {
 			fmt.Println(err)
-			os.Exit(1)
+			return false, err
 		}
 
 		updateDetail := response.JobUpdateDetails(respDetail)
 
 		if len(updateDetail) == 0 {
 			fmt.Println("No update found")
-			return false
+			return false, errors.New("No update found for "+updateKey.String())
 		}
 		status := updateDetail[0].Update.Summary.State.Status
 
@@ -57,10 +56,10 @@ func (m *Monitor) JobUpdate(updateKey aurora.JobUpdateKey, interval int, timeout
 			// if we encounter an inactive state and it is not at rolled forward, update failed
 			if status == aurora.JobUpdateStatus_ROLLED_FORWARD {
 				fmt.Println("Update succeded")
-				return true
+				return true, nil
 			} else {
 				fmt.Println("Update failed")
-				return false
+				return false, nil
 			}
 		}
 
@@ -69,7 +68,7 @@ func (m *Monitor) JobUpdate(updateKey aurora.JobUpdateKey, interval int, timeout
 	}
 
 	fmt.Println("Timed out")
-	return false
+	return false, nil
 }
 
 func (m *Monitor) Instances(key *aurora.JobKey, instances int32, interval int, timeout int) (bool, error) {

updatejob.go

@@ -25,7 +25,7 @@ type UpdateJob struct {
 }
 
 // Create a default UpdateJob object.
-func NewUpdateJob(config *aurora.TaskConfig) *UpdateJob {
+func NewDefaultUpdateJob(config *aurora.TaskConfig) *UpdateJob {
 
 	req := aurora.NewJobUpdateRequest()
 	req.TaskConfig = config
@@ -66,6 +66,37 @@ func NewUpdateJob(config *aurora.TaskConfig) *UpdateJob {
 	return &UpdateJob{job, req}
 }
 
+func NewUpdateJob(config *aurora.TaskConfig, settings *aurora.JobUpdateSettings) *UpdateJob {
+
+	req := aurora.NewJobUpdateRequest()
+	req.TaskConfig = config
+	req.Settings = settings
+
+	job := NewJob().(AuroraJob)
+	job.jobConfig.TaskConfig = config
+
+	// Rebuild resource map from TaskConfig
+	for ptr := range config.Resources {
+		if ptr.NumCpus != nil {
+			job.resources["cpu"].NumCpus = ptr.NumCpus
+			continue // Guard against Union violations that Go won't enforce
+		}
+
+		if ptr.RamMb != nil {
+			job.resources["ram"].RamMb = ptr.RamMb
+			continue
+		}
+
+		if ptr.DiskMb != nil {
+			job.resources["disk"].DiskMb = ptr.DiskMb
+			continue
+		}
+	}
+
+	//TODO(rdelvalle): Deep copy job struct to avoid unexpected behavior
+	return &UpdateJob{job, req}
+}
+
 // Set instance count the job will have after the update.
 func (u *UpdateJob) InstanceCount(inst int32) *UpdateJob {
 	u.req.InstanceCount = inst