/
client.go
63 lines (46 loc) · 1.72 KB
/
client.go
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package elb
import (
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/elb"
"github.com/openfresh/ecs-formation/client/util"
)
type Client interface {
DescribeLoadBalancers(names []string) (*elb.DescribeLoadBalancersOutput, error)
RegisterInstancesWithLoadBalancer(name string, instances []*elb.Instance) ([]*elb.Instance, error)
DeregisterInstancesFromLoadBalancer(lb string, instances []*elb.Instance) ([]*elb.Instance, error)
}
type DefaultClient struct {
service *elb.ELB
}
func (c DefaultClient) DescribeLoadBalancers(names []string) (*elb.DescribeLoadBalancersOutput, error) {
params := elb.DescribeLoadBalancersInput{
LoadBalancerNames: aws.StringSlice(names),
}
result, err := c.service.DescribeLoadBalancers(¶ms)
if util.IsRateExceeded(err) {
return c.DescribeLoadBalancers(names)
}
return result, err
}
func (c DefaultClient) RegisterInstancesWithLoadBalancer(name string, instances []*elb.Instance) ([]*elb.Instance, error) {
params := elb.RegisterInstancesWithLoadBalancerInput{
LoadBalancerName: aws.String(name),
Instances: instances,
}
result, err := c.service.RegisterInstancesWithLoadBalancer(¶ms)
if util.IsRateExceeded(err) {
return c.RegisterInstancesWithLoadBalancer(name, instances)
}
return result.Instances, err
}
func (c DefaultClient) DeregisterInstancesFromLoadBalancer(lb string, instances []*elb.Instance) ([]*elb.Instance, error) {
params := elb.DeregisterInstancesFromLoadBalancerInput{
LoadBalancerName: aws.String(lb),
Instances: instances,
}
result, err := c.service.DeregisterInstancesFromLoadBalancer(¶ms)
if util.IsRateExceeded(err) {
return c.DeregisterInstancesFromLoadBalancer(lb, instances)
}
return result.Instances, err
}