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skip managed KMS keys #72

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Jan 17, 2018
Merged

skip managed KMS keys #72

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31 changes: 9 additions & 22 deletions resources/kms-keys.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,18 +2,17 @@ package resources

import (
"fmt"
"strings"

"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/kms"
)

type KMSKey struct {
svc *kms.KMS
id string
state string
alias string
svc *kms.KMS
id string
state string
manager *string
}

func init() {
Expand All @@ -23,18 +22,6 @@ func init() {
func ListKMSKeys(sess *session.Session) ([]Resource, error) {
svc := kms.New(sess)

respAlias, err := svc.ListAliases(nil)
if err != nil {
return nil, err
}

aliasMap := map[string]string{}
for _, alias := range respAlias.Aliases {
if alias.TargetKeyId != nil {
aliasMap[*alias.TargetKeyId] = *alias.AliasName
}
}

resp, err := svc.ListKeys(nil)
if err != nil {
return nil, err
Expand All @@ -50,10 +37,10 @@ func ListKMSKeys(sess *session.Session) ([]Resource, error) {
}

resources = append(resources, &KMSKey{
svc: svc,
id: *resp.KeyMetadata.KeyId,
state: *resp.KeyMetadata.KeyState,
alias: aliasMap[*resp.KeyMetadata.KeyId],
svc: svc,
id: *resp.KeyMetadata.KeyId,
state: *resp.KeyMetadata.KeyState,
manager: resp.KeyMetadata.KeyManager,
})
}

Expand All @@ -65,7 +52,7 @@ func (e *KMSKey) Filter() error {
return fmt.Errorf("is already in PendingDeletion state")
}

if strings.HasPrefix(e.alias, "alias/aws/") {
if e.manager != nil && *e.manager == kms.KeyManagerTypeAws {
return fmt.Errorf("cannot delete AWS managed key")
}

Expand Down