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loadbalancer.go
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loadbalancer.go
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package main
import (
"context"
"github.com/aws/aws-sdk-go-v2/service/elasticloadbalancing"
"github.com/aws/aws-sdk-go-v2/service/elasticloadbalancing/types"
"github.com/rs/zerolog/log"
"go.uber.org/multierr"
)
func deleteLoadBalancers(ctx context.Context, client *elasticloadbalancing.Client, loadBalancerDescriptions []types.LoadBalancerDescription) (errs error) {
for _, loadBalancerDescription := range loadBalancerDescriptions {
if loadBalancerDescription.LoadBalancerName == nil {
continue
}
_, err := client.DeleteLoadBalancer(ctx, &elasticloadbalancing.DeleteLoadBalancerInput{
LoadBalancerName: loadBalancerDescription.LoadBalancerName,
})
log.Err(err).
Str("LoadBalancerName", *loadBalancerDescription.LoadBalancerName).
Msg("DeleteLoadBalancer")
errs = multierr.Append(errs, err)
}
return
}
func listLoadBalancers(ctx context.Context, client *elasticloadbalancing.Client, vpcId string) ([]types.LoadBalancerDescription, error) {
input := elasticloadbalancing.DescribeLoadBalancersInput{}
var loadBalancerDescriptions []types.LoadBalancerDescription
for {
output, err := client.DescribeLoadBalancers(ctx, &input)
if err != nil {
return nil, err
}
for _, loadBalancerDescription := range output.LoadBalancerDescriptions {
if loadBalancerDescription.VPCId == nil || *loadBalancerDescription.VPCId != vpcId {
continue
}
loadBalancerDescriptions = append(loadBalancerDescriptions, loadBalancerDescription)
}
if output.NextMarker == nil {
return loadBalancerDescriptions, nil
}
input.Marker = output.NextMarker
}
}
func loadBalancerNames(loadBalancerDescriptions []types.LoadBalancerDescription) []string {
loadBalancerNames := make([]string, 0, len(loadBalancerDescriptions))
for _, loadBalancerDescription := range loadBalancerDescriptions {
if loadBalancerDescription.LoadBalancerName != nil {
loadBalancerNames = append(loadBalancerNames, *loadBalancerDescription.LoadBalancerName)
}
}
return loadBalancerNames
}