/
emr-clusters.go
74 lines (58 loc) · 1.23 KB
/
emr-clusters.go
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package resources
import (
"fmt"
"strings"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/emr"
)
type EMRCluster struct {
svc *emr.EMR
ID *string
state *string
}
func init() {
register("EMRCluster", ListEMRClusters)
}
func ListEMRClusters(sess *session.Session) ([]Resource, error) {
svc := emr.New(sess)
resources := []Resource{}
params := &emr.ListClustersInput{}
for {
resp, err := svc.ListClusters(params)
if err != nil {
return nil, err
}
for _, cluster := range resp.Clusters {
resources = append(resources, &EMRCluster{
svc: svc,
ID: cluster.Id,
state: cluster.Status.State,
})
}
if resp.Marker == nil {
break
}
params.Marker = resp.Marker
}
return resources, nil
}
func (f *EMRCluster) Remove() error {
//Call names are inconsistent in the SDK
_, err := f.svc.TerminateJobFlows(&emr.TerminateJobFlowsInput{
JobFlowIds: []*string{f.ID},
})
// Force nil return due to async callbacks blocking
if err == nil {
return nil
}
return err
}
func (f *EMRCluster) String() string {
return *f.ID
}
func (f *EMRCluster) Filter() error {
if strings.Contains(*f.state, "TERMINATED") {
return fmt.Errorf("already terminated")
}
return nil
}