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Adding removeInstances method for a job -

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-- This method takes the job key and the number of Instances to remove as parameters
This commit is contained in:
Mukkavilli, Sunil 2017-03-10 01:14:09 -08:00
parent 811169a266
commit 40781fab82
2 changed files with 64 additions and 5 deletions
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24
realis.go
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@ -25,11 +25,13 @@ import (
"github.com/pkg/errors"
"github.com/rdelval/gorealis/gen-go/apache/aurora"
"github.com/rdelval/gorealis/response"
"fmt"
)
type Realis interface {
AbortJobUpdate(updateKey aurora.JobUpdateKey, message string) (*aurora.Response, error)
AddInstances(instKey aurora.InstanceKey, count int32) (*aurora.Response, error)
RemoveInstances(key *aurora.JobKey, count int32) (*aurora.Response, error)
CreateJob(auroraJob Job) (*aurora.Response, error)
DescheduleCronJob(key *aurora.JobKey) (*aurora.Response, error)
GetTaskStatus(query *aurora.TaskQuery) ([]*aurora.ScheduledTask, error)
@ -320,6 +322,28 @@ func (r realisClient) AddInstances(instKey aurora.InstanceKey, count int32) (*au
return response.ResponseCodeCheck(resp)
}
//Scale down the number of instances under a job configuration using the configuratipn of a specific instance
func (r realisClient) RemoveInstances(key *aurora.JobKey, count int32) (*aurora.Response, error) {
instanceIds, err := r.GetInstanceIds(key, aurora.ACTIVE_STATES)
if err != nil {
return nil, errors.Wrap(err, "RemoveInstances: Could not retrieve relevant instance IDs")
}
if len(instanceIds) < int(count) {
return nil, errors.New(fmt.Sprintf("RemoveInstances: No sufficient instances to Kill - " +
"Instances to kill %d Total Instances %d", count, len(instanceIds)))
}
instanceList := make([]int32, count)
i := 0
for k := range instanceIds {
instanceList[i] = k
i += 1
if i == int(count) {
break
}
}
return r.KillInstances(key, instanceList...)
}
func (r realisClient) GetTaskStatus(query *aurora.TaskQuery) (tasks []*aurora.ScheduledTask, e error) {
resp, err := r.client.GetTasksStatus(query)