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kms_customer_key_test.go
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kms_customer_key_test.go
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package aws
import (
"fmt"
"regexp"
"testing"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/kms"
"github.com/gruntwork-io/cloud-nuke/config"
"github.com/gruntwork-io/cloud-nuke/telemetry"
"github.com/gruntwork-io/cloud-nuke/util"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestListKmsUserKeys(t *testing.T) {
telemetry.InitTelemetry("cloud-nuke", "")
t.Parallel()
region, err := getRandomRegion()
require.NoError(t, err)
session, err := session.NewSession(&aws.Config{Region: aws.String(region)})
require.NoError(t, err)
aliasName := "cloud-nuke-test-" + util.UniqueID()
keyAlias := fmt.Sprintf("alias/%s", aliasName)
createdKeyId := createKmsCustomerManagedKey(t, session)
_ = createKmsCustomerManagedKeyAlias(t, session, createdKeyId, keyAlias)
// test if listing of keys will return new key and alias
keys, aliases, err := getAllKmsUserKeys(session, KmsCustomerKeys{}.MaxBatchSize(), time.Now(), config.Config{}, false)
require.NoError(t, err)
assert.Contains(t, aws.StringValueSlice(keys), createdKeyId)
assert.Contains(t, aliases[createdKeyId], keyAlias)
// test if time shift works
olderThan := time.Now().Add(-1 * time.Hour)
keys, aliases, err = getAllKmsUserKeys(session, KmsCustomerKeys{}.MaxBatchSize(), olderThan, config.Config{}, false)
require.NoError(t, err)
assert.NotContains(t, aws.StringValueSlice(keys), createdKeyId)
assert.NotContains(t, aliases[createdKeyId], keyAlias)
// test if matching by regexp works
keys, aliases, err = getAllKmsUserKeys(session, KmsCustomerKeys{}.MaxBatchSize(), time.Now(), config.Config{
KMSCustomerKeys: config.KMSCustomerKeyResourceType{
ResourceType: config.ResourceType{
IncludeRule: config.FilterRule{
NamesRegExp: []config.Expression{
{RE: *regexp.MustCompile(fmt.Sprintf("^%s", keyAlias))},
},
},
},
},
}, false)
require.NoError(t, err)
assert.Contains(t, aws.StringValueSlice(keys), createdKeyId)
assert.Contains(t, aliases[createdKeyId], keyAlias)
assert.Equal(t, 1, len(keys))
// test if exclusion by regexp works
keys, aliases, err = getAllKmsUserKeys(session, KmsCustomerKeys{}.MaxBatchSize(), time.Now(), config.Config{
KMSCustomerKeys: config.KMSCustomerKeyResourceType{
ResourceType: config.ResourceType{
ExcludeRule: config.FilterRule{
NamesRegExp: []config.Expression{
{RE: *regexp.MustCompile(fmt.Sprintf("^%s", keyAlias))},
},
},
},
},
}, false)
require.NoError(t, err)
assert.NotContains(t, aws.StringValueSlice(keys), createdKeyId)
assert.NotContains(t, aliases[createdKeyId], keyAlias)
}
func TestRemoveKmsUserKeys(t *testing.T) {
telemetry.InitTelemetry("cloud-nuke", "")
t.Parallel()
region, err := getRandomRegion()
require.NoError(t, err)
session, err := session.NewSession(&aws.Config{Region: aws.String(region)})
require.NoError(t, err)
keyAlias := "alias/cloud-nuke-test-" + util.UniqueID()
createdKeyId := createKmsCustomerManagedKey(t, session)
_ = createKmsCustomerManagedKeyAlias(t, session, createdKeyId, keyAlias)
err = nukeAllCustomerManagedKmsKeys(session, []*string{&createdKeyId}, map[string][]string{"keyid": {keyAlias}})
require.NoError(t, err)
// test if key is not included for removal second time, after being marked for deletion
keys, aliases, err := getAllKmsUserKeys(session, KmsCustomerKeys{}.MaxBatchSize(), time.Now(), config.Config{}, false)
require.NoError(t, err)
assert.NotContains(t, aws.StringValueSlice(keys), createdKeyId)
assert.NotContains(t, aliases[createdKeyId], keyAlias)
// test that all aliases were deleted from the key, even if the key was successfully marked for deletion
listedAliases, err := listAliasesForKey(session, &createdKeyId)
require.NoError(t, err)
assert.Empty(t, listedAliases)
}
func TestRemoveKmsUserKeysAllowUnaliased(t *testing.T) {
telemetry.InitTelemetry("cloud-nuke", "")
t.Parallel()
region, err := getRandomRegion()
require.NoError(t, err)
session, err := session.NewSession(&aws.Config{Region: aws.String(region)})
require.NoError(t, err)
createdKeyId := createKmsCustomerManagedKey(t, session)
err = nukeAllCustomerManagedKmsKeys(session, []*string{&createdKeyId}, map[string][]string{})
require.NoError(t, err)
// test if key is not included for removal second time, after being marked for deletion
keys, aliases, err := getAllKmsUserKeys(session, KmsCustomerKeys{}.MaxBatchSize(), time.Now(), config.Config{}, true)
require.NoError(t, err)
assert.NotContains(t, aws.StringValueSlice(keys), createdKeyId)
assert.NotContains(t, aliases, createdKeyId)
}
func createKmsCustomerManagedKey(t *testing.T, session *session.Session) string {
svc := kms.New(session)
input := &kms.CreateKeyInput{}
result, err := svc.CreateKey(input)
require.NoError(t, err)
createdKeyId := *result.KeyMetadata.KeyId
return createdKeyId
}
func createKmsCustomerManagedKeyAlias(t *testing.T, session *session.Session, keyId string, alias string) string {
svc := kms.New(session)
aliasInput := &kms.CreateAliasInput{AliasName: &alias, TargetKeyId: &keyId}
_, err := svc.CreateAlias(aliasInput)
require.NoError(t, err)
return *aliasInput.AliasName
}
func listAliasesForKey(session *session.Session, keyId *string) ([]string, error) {
svc := kms.New(session)
input := &kms.ListAliasesInput{KeyId: keyId}
result, err := svc.ListAliases(input)
aliases := make([]string, 0)
for _, alias := range result.Aliases {
aliases = append(aliases, *alias.TargetKeyId)
}
return aliases, err
}