/
upscale.go
44 lines (36 loc) · 996 Bytes
/
upscale.go
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package nomadWorker
import (
"github.com/aws/aws-sdk-go/service/autoscaling"
"github.com/thomasobenaus/sokar/aws"
)
func (c *Connector) upscale(datacenter string, min uint, max uint, desiredCount uint) error {
sess, err := c.createSession()
if err != nil {
return err
}
autoScalingIF := c.autoScalingFactory.CreateAutoScaling(sess)
asgQuery := aws.AutoScalingGroupQuery{
AsgIF: autoScalingIF,
TagKey: c.tagKey,
TagValue: datacenter,
}
asgName, err := asgQuery.GetAutoScalingGroupName()
if err != nil {
return err
}
size := int64(desiredCount)
minSize := int64(min)
maxSize := int64(max)
input := &autoscaling.UpdateAutoScalingGroupInput{
AutoScalingGroupName: &asgName,
MinSize: &minSize,
MaxSize: &maxSize,
DesiredCapacity: &size,
}
_, err = autoScalingIF.UpdateAutoScalingGroup(input)
if err != nil {
return err
}
c.log.Info().Msgf("Upscaled min=max=desiredCapacity of %s to %d.", asgName, size)
return nil
}