forked from rebuy-de/aws-nuke
/
ecs-clusterinstances.go
91 lines (72 loc) · 1.94 KB
/
ecs-clusterinstances.go
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package resources
import (
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/ecs"
)
type ECSClusterInstance struct {
svc *ecs.ECS
instanceARN *string
clusterARN *string
}
func init() {
register("ECSClusterInstance", ListECSClusterInstances)
}
func ListECSClusterInstances(sess *session.Session) ([]Resource, error) {
svc := ecs.New(sess)
resources := []Resource{}
clusters := []*string{}
clusterParams := &ecs.ListClustersInput{
MaxResults: aws.Int64(100),
}
// Iterate over clusters to ensure we dont presume its always default associations
for {
output, err := svc.ListClusters(clusterParams)
if err != nil {
return nil, err
}
for _, clusterArn := range output.ClusterArns {
clusters = append(clusters, clusterArn)
}
if output.NextToken == nil {
break
}
clusterParams.NextToken = output.NextToken
}
// Iterate over known clusters and discover their instances
// to prevent assuming default is always used
for _, clusterArn := range clusters {
instanceParams := &ecs.ListContainerInstancesInput{
Cluster: clusterArn,
MaxResults: aws.Int64(100),
}
output, err := svc.ListContainerInstances(instanceParams)
if err != nil {
return nil, err
}
for _, instanceArn := range output.ContainerInstanceArns {
resources = append(resources, &ECSClusterInstance{
svc: svc,
instanceARN: instanceArn,
clusterARN: clusterArn,
})
}
if output.NextToken == nil {
break
}
instanceParams.NextToken = output.NextToken
}
return resources, nil
}
func (f *ECSClusterInstance) Remove() error {
_, err := f.svc.DeregisterContainerInstance(&ecs.DeregisterContainerInstanceInput{
Cluster: f.clusterARN,
ContainerInstance: f.instanceARN,
Force: aws.Bool(true),
})
return err
}
func (f *ECSClusterInstance) String() string {
return fmt.Sprintf("%s -> %s", *f.instanceARN, *f.clusterARN)
}