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inital commit gorealis resiliency

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This commit is contained in:
Kumar Krishna 2017-03-16 23:19:30 -07:00
parent 1b475175db
commit d97e59b9e6
3 changed files with 355 additions and 61 deletions
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58
monitors.go
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@ -17,10 +17,11 @@ package realis
import (
"fmt"
"time"
"github.com/pkg/errors"
"github.com/rdelval/gorealis/gen-go/apache/aurora"
"github.com/rdelval/gorealis/response"
"time"
)
type Monitor struct {
@ -35,10 +36,31 @@ func (m *Monitor) JobUpdate(updateKey aurora.JobUpdateKey, interval int, timeout
Limit: 1,
}
duration := defaultBackoff.Duration
var err error
var respDetail *aurora.Response
for i := 0; i*interval <= timeout; i++ {
respDetail, err := m.Client.JobUpdateDetails(updateQ)
for i := 0; i < defaultBackoff.Steps; i++ {
if i != 0 {
adjusted := duration
if defaultBackoff.Jitter > 0.0 {
adjusted = Jitter(duration, defaultBackoff.Jitter)
}
fmt.Println(" sleeping for: ", adjusted)
time.Sleep(adjusted)
duration = time.Duration(float64(duration) * defaultBackoff.Factor)
}
if respDetail, err = m.Client.JobUpdateDetails(updateQ); err == nil {
break
}
err1 := m.Client.ReestablishConn()
if err1 != nil {
fmt.Println("error in ReestablishConn: ", err1)
}
}
if err != nil {
fmt.Println(err)
return false, err
}
@ -46,7 +68,7 @@ func (m *Monitor) JobUpdate(updateKey aurora.JobUpdateKey, interval int, timeout
if len(updateDetail) == 0 {
fmt.Println("No update found")
return false, errors.New("No update found for "+updateKey.String())
return false, errors.New("No update found for " + updateKey.String())
}
status := updateDetail[0].Update.Summary.State.Status
@ -72,19 +94,39 @@ func (m *Monitor) JobUpdate(updateKey aurora.JobUpdateKey, interval int, timeout
}
func (m *Monitor) Instances(key *aurora.JobKey, instances int32, interval int, timeout int) (bool, error) {
duration := defaultBackoff.Duration
var err error
var live map[int32]bool
for i := 0; i*interval < timeout; i++ {
for i := 0; i < defaultBackoff.Steps; i++ {
if i != 0 {
adjusted := duration
if defaultBackoff.Jitter > 0.0 {
adjusted = Jitter(duration, defaultBackoff.Jitter)
}
fmt.Println(" sleeping for: ", adjusted)
time.Sleep(adjusted)
fmt.Println(" sleeping done")
duration = time.Duration(float64(duration) * defaultBackoff.Factor)
}
if live, err = m.Client.GetInstanceIds(key, aurora.LIVE_STATES); err == nil {
fmt.Println(" live: ", live)
break
}
err1 := m.Client.ReestablishConn()
if err1 != nil {
fmt.Println("error in ReestablishConn: ", err1)
}
}
live, err := m.Client.GetInstanceIds(key, aurora.LIVE_STATES)
//live, err := m.Client.GetInstanceIds(key, aurora.LIVE_STATES)
if err != nil {
return false, errors.Wrap(err, "Unable to communicate with Aurora")
}
if len(live) == int(instances) {
return true, nil
}
fmt.Println("Polling, instances running: ", len(live))
time.Sleep(time.Duration(interval) * time.Second)
}