forked from kubernetes/kops
/
loadbalancer_healthchecks.go
90 lines (71 loc) · 2.1 KB
/
loadbalancer_healthchecks.go
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package awstasks
import (
"fmt"
"github.com/aws/aws-sdk-go/service/elb"
"github.com/golang/glog"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/cloudup/awsup"
)
type LoadBalancerHealthChecks struct {
LoadBalancer *LoadBalancer
Target *string
HealthyThreshold *int64
UnhealthyThreshold *int64
Interval *int64
Timeout *int64
}
func (e *LoadBalancerHealthChecks) String() string {
return fi.TaskAsString(e)
}
func (e *LoadBalancerHealthChecks) Find(c *fi.Context) (*LoadBalancerHealthChecks, error) {
cloud := c.Cloud.(awsup.AWSCloud)
elbName := fi.StringValue(e.LoadBalancer.ID)
lb, err := findELB(cloud, elbName)
if err != nil {
return nil, err
}
if lb == nil {
return nil, nil
}
actual := &LoadBalancerHealthChecks{}
actual.LoadBalancer = e.LoadBalancer
if lb.HealthCheck != nil {
actual.Target = lb.HealthCheck.Target
actual.HealthyThreshold = lb.HealthCheck.HealthyThreshold
actual.UnhealthyThreshold = lb.HealthCheck.UnhealthyThreshold
actual.Interval = lb.HealthCheck.Interval
actual.Timeout = lb.HealthCheck.Timeout
}
return actual, nil
}
func (e *LoadBalancerHealthChecks) Run(c *fi.Context) error {
return fi.DefaultDeltaRunMethod(e, c)
}
func (s *LoadBalancerHealthChecks) CheckChanges(a, e, changes *LoadBalancerHealthChecks) error {
if a == nil {
if e.LoadBalancer == nil {
return fi.RequiredField("LoadBalancer")
}
if e.Target == nil {
return fi.RequiredField("Target")
}
}
return nil
}
func (_ *LoadBalancerHealthChecks) RenderAWS(t *awsup.AWSAPITarget, a, e, changes *LoadBalancerHealthChecks) error {
request := &elb.ConfigureHealthCheckInput{}
request.LoadBalancerName = e.LoadBalancer.ID
request.HealthCheck = &elb.HealthCheck{
Target: e.Target,
HealthyThreshold: e.HealthyThreshold,
UnhealthyThreshold: e.UnhealthyThreshold,
Interval: e.Interval,
Timeout: e.Timeout,
}
glog.V(2).Infof("Configuring health checks on ELB %q", *e.LoadBalancer.ID)
_, err := t.Cloud.ELB().ConfigureHealthCheck(request)
if err != nil {
return fmt.Errorf("error attaching autoscaling group to ELB: %v", err)
}
return nil
}