Files
opentf/backend/remote-state/s3/backend_test.go
James Bardin 9c431aee1b only list environments when the keyName matches
Prevent extra keys in the s3 envPrefix path from showing up as
listed environments.

Better handle keys containing slashes

Add tests for unexpected keys in s3.
2017-04-12 13:57:22 -04:00

340 lines
8.6 KiB
Go

package s3
import (
"fmt"
"os"
"reflect"
"testing"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/dynamodb"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/hashicorp/terraform/backend"
"github.com/hashicorp/terraform/state/remote"
"github.com/hashicorp/terraform/terraform"
)
// verify that we are doing ACC tests or the S3 tests specifically
func testACC(t *testing.T) {
skip := os.Getenv("TF_ACC") == "" && os.Getenv("TF_S3_TEST") == ""
if skip {
t.Log("s3 backend tests require setting TF_ACC or TF_S3_TEST")
t.Skip()
}
if os.Getenv("AWS_DEFAULT_REGION") == "" {
os.Setenv("AWS_DEFAULT_REGION", "us-west-2")
}
}
func TestBackend_impl(t *testing.T) {
var _ backend.Backend = new(Backend)
}
func TestBackendConfig(t *testing.T) {
testACC(t)
config := map[string]interface{}{
"region": "us-west-1",
"bucket": "tf-test",
"key": "state",
"encrypt": true,
"lock_table": "dynamoTable",
}
b := backend.TestBackendConfig(t, New(), config).(*Backend)
if *b.s3Client.Config.Region != "us-west-1" {
t.Fatalf("Incorrect region was populated")
}
if b.bucketName != "tf-test" {
t.Fatalf("Incorrect bucketName was populated")
}
if b.keyName != "state" {
t.Fatalf("Incorrect keyName was populated")
}
credentials, err := b.s3Client.Config.Credentials.Get()
if err != nil {
t.Fatalf("Error when requesting credentials")
}
if credentials.AccessKeyID == "" {
t.Fatalf("No Access Key Id was populated")
}
if credentials.SecretAccessKey == "" {
t.Fatalf("No Secret Access Key was populated")
}
}
func TestBackend(t *testing.T) {
testACC(t)
bucketName := fmt.Sprintf("terraform-remote-s3-test-%x", time.Now().Unix())
keyName := "testState"
b := backend.TestBackendConfig(t, New(), map[string]interface{}{
"bucket": bucketName,
"key": keyName,
"encrypt": true,
}).(*Backend)
createS3Bucket(t, b.s3Client, bucketName)
defer deleteS3Bucket(t, b.s3Client, bucketName)
backend.TestBackend(t, b, nil)
}
func TestBackendLocked(t *testing.T) {
testACC(t)
bucketName := fmt.Sprintf("terraform-remote-s3-test-%x", time.Now().Unix())
keyName := "test/state"
b1 := backend.TestBackendConfig(t, New(), map[string]interface{}{
"bucket": bucketName,
"key": keyName,
"encrypt": true,
"lock_table": bucketName,
}).(*Backend)
b2 := backend.TestBackendConfig(t, New(), map[string]interface{}{
"bucket": bucketName,
"key": keyName,
"encrypt": true,
"lock_table": bucketName,
}).(*Backend)
createS3Bucket(t, b1.s3Client, bucketName)
defer deleteS3Bucket(t, b1.s3Client, bucketName)
createDynamoDBTable(t, b1.dynClient, bucketName)
defer deleteDynamoDBTable(t, b1.dynClient, bucketName)
backend.TestBackend(t, b1, b2)
}
// add some extra junk in S3 to try and confuse the env listing.
func TestBackendExtraPaths(t *testing.T) {
testACC(t)
bucketName := fmt.Sprintf("terraform-remote-s3-test-%x", time.Now().Unix())
keyName := "test/state/tfstate"
b := backend.TestBackendConfig(t, New(), map[string]interface{}{
"bucket": bucketName,
"key": keyName,
"encrypt": true,
}).(*Backend)
createS3Bucket(t, b.s3Client, bucketName)
defer deleteS3Bucket(t, b.s3Client, bucketName)
// put multiple states in old env paths.
s1 := terraform.NewState()
s2 := terraform.NewState()
// RemoteClient to Put things in various paths
client := &RemoteClient{
s3Client: b.s3Client,
dynClient: b.dynClient,
bucketName: b.bucketName,
path: b.path("s1"),
serverSideEncryption: b.serverSideEncryption,
acl: b.acl,
kmsKeyID: b.kmsKeyID,
lockTable: b.lockTable,
}
stateMgr := &remote.State{Client: client}
stateMgr.WriteState(s1)
if err := stateMgr.PersistState(); err != nil {
t.Fatal(err)
}
client.path = b.path("s2")
stateMgr.WriteState(s2)
if err := stateMgr.PersistState(); err != nil {
t.Fatal(err)
}
if err := checkStateList(b, []string{"default", "s1", "s2"}); err != nil {
t.Fatal(err)
}
// put a state in an env directory name
client.path = keyEnvPrefix + "/error"
stateMgr.WriteState(terraform.NewState())
if err := stateMgr.PersistState(); err != nil {
t.Fatal(err)
}
if err := checkStateList(b, []string{"default", "s1", "s2"}); err != nil {
t.Fatal(err)
}
// add state with the wrong key for an existing env
client.path = keyEnvPrefix + "/s2/notTestState"
stateMgr.WriteState(terraform.NewState())
if err := stateMgr.PersistState(); err != nil {
t.Fatal(err)
}
if err := checkStateList(b, []string{"default", "s1", "s2"}); err != nil {
t.Fatal(err)
}
// remove the state with extra subkey
if err := b.DeleteState("s2"); err != nil {
t.Fatal(err)
}
if err := checkStateList(b, []string{"default", "s1"}); err != nil {
t.Fatal(err)
}
// fetch that state again, which should produce a new lineage
s2Mgr, err := b.State("s2")
if err != nil {
t.Fatal(err)
}
if err := s2Mgr.RefreshState(); err != nil {
t.Fatal(err)
}
if s2Mgr.State().Lineage == s2.Lineage {
t.Fatal("state s2 was not deleted")
}
s2 = s2Mgr.State()
// add a state with a key that matches an existing environment dir name
client.path = keyEnvPrefix + "/s2/"
stateMgr.WriteState(terraform.NewState())
if err := stateMgr.PersistState(); err != nil {
t.Fatal(err)
}
// make sure s2 is OK
s2Mgr, err = b.State("s2")
if err != nil {
t.Fatal(err)
}
if err := s2Mgr.RefreshState(); err != nil {
t.Fatal(err)
}
if s2Mgr.State().Lineage != s2.Lineage {
t.Fatal("we got the wrong state for s2")
}
if err := checkStateList(b, []string{"default", "s1", "s2"}); err != nil {
t.Fatal(err)
}
}
func checkStateList(b backend.Backend, expected []string) error {
states, err := b.States()
if err != nil {
return err
}
if !reflect.DeepEqual(states, expected) {
return fmt.Errorf("incorrect states listed: %q", states)
}
return nil
}
func createS3Bucket(t *testing.T, s3Client *s3.S3, bucketName string) {
createBucketReq := &s3.CreateBucketInput{
Bucket: &bucketName,
}
// Be clear about what we're doing in case the user needs to clean
// this up later.
t.Logf("creating S3 bucket %s in %s", bucketName, *s3Client.Config.Region)
_, err := s3Client.CreateBucket(createBucketReq)
if err != nil {
t.Fatal("failed to create test S3 bucket:", err)
}
}
func deleteS3Bucket(t *testing.T, s3Client *s3.S3, bucketName string) {
warning := "WARNING: Failed to delete the test S3 bucket. It may have been left in your AWS account and may incur storage charges. (error was %s)"
// first we have to get rid of the env objects, or we can't delete the bucket
resp, err := s3Client.ListObjects(&s3.ListObjectsInput{Bucket: &bucketName})
if err != nil {
t.Logf(warning, err)
return
}
for _, obj := range resp.Contents {
if _, err := s3Client.DeleteObject(&s3.DeleteObjectInput{Bucket: &bucketName, Key: obj.Key}); err != nil {
// this will need cleanup no matter what, so just warn and exit
t.Logf(warning, err)
return
}
}
if _, err := s3Client.DeleteBucket(&s3.DeleteBucketInput{Bucket: &bucketName}); err != nil {
t.Logf(warning, err)
}
}
// create the dynamoDB table, and wait until we can query it.
func createDynamoDBTable(t *testing.T, dynClient *dynamodb.DynamoDB, tableName string) {
createInput := &dynamodb.CreateTableInput{
AttributeDefinitions: []*dynamodb.AttributeDefinition{
{
AttributeName: aws.String("LockID"),
AttributeType: aws.String("S"),
},
},
KeySchema: []*dynamodb.KeySchemaElement{
{
AttributeName: aws.String("LockID"),
KeyType: aws.String("HASH"),
},
},
ProvisionedThroughput: &dynamodb.ProvisionedThroughput{
ReadCapacityUnits: aws.Int64(5),
WriteCapacityUnits: aws.Int64(5),
},
TableName: aws.String(tableName),
}
_, err := dynClient.CreateTable(createInput)
if err != nil {
t.Fatal(err)
}
// now wait until it's ACTIVE
start := time.Now()
time.Sleep(time.Second)
describeInput := &dynamodb.DescribeTableInput{
TableName: aws.String(tableName),
}
for {
resp, err := dynClient.DescribeTable(describeInput)
if err != nil {
t.Fatal(err)
}
if *resp.Table.TableStatus == "ACTIVE" {
return
}
if time.Since(start) > time.Minute {
t.Fatalf("timed out creating DynamoDB table %s", tableName)
}
time.Sleep(3 * time.Second)
}
}
func deleteDynamoDBTable(t *testing.T, dynClient *dynamodb.DynamoDB, tableName string) {
params := &dynamodb.DeleteTableInput{
TableName: aws.String(tableName),
}
_, err := dynClient.DeleteTable(params)
if err != nil {
t.Logf("WARNING: Failed to delete the test DynamoDB table %q. It has been left in your AWS account and may incur charges. (error was %s)", tableName, err)
}
}