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aws-in-a-box

This project is an emulator for several AWS services, à la Localstack. README in progress!

Currently supported services (see below for full support details):

  • DynamoDB - highly experimental, only enough for Kinesis Client Library to work. Not recommended to use!
  • Kinesis
  • KMS
  • S3
  • SQS

Aws-in-a-box runs on HTTP (not HTTPS) but supports HTTP2 upgrade with h2c (HTTP without TLS).

Why use this over localstack?

  • High-performance; no overhead from docker or proxies
  • Single statically-linked 7MB native binary. No interpereter/runtime hell. (There are also 3MB compressed docker images if you prefer)
  • Simple persistence scheme using atomic file writes. When using the native binary, no more broken persistent docker volumes

Usage

The easiest way to consume this project is from pre-built artifacts on the release page or the docker image. You can also build from source with either go native tooling or with Bazel, see Development section.

  -addr string
    	Address to run on (default "localhost:4569")
  -enableKMS
    	Enable Kinesis service (default true)
  -enableKinesis
    	Enable Kinesis service (default true)
  -enableSQS
    	Enable SQS service (default true)
  -experimental_enableDynamoDB
    	Enable DynamoDB service (default true)
  -experimental_enableS3
    	Enable S3 service (default true)
  -kinesisDefaultDuration duration
    	How long to retain messages. Can be used to control memory usage. After creation, retention can be adjusted with [Increase/Decrease]StreamRetentionPeriod (default 24h0m0s)
  -kinesisInitialShardsPerStream int
    	How many shards to create for each stream listed in -kinesisInitialStreams (default 2)
  -kinesisInitialStreams string
    	Streams to create at startup. Example: stream1,stream2,stream3
  -kinesisStreamCreateDuration duration
    	How long a new Kinesis stream stays in CREATING status (default 5s)
  -kinesisStreamDeleteDuration duration
    	How long a deleted Kinesis stream stays in DELETING status (default 5s)
  -logLevel string
    	debug/info/warn/error (default "debug")
  -persistDir string
    	Directory to persist data to. If empty, data is not persisted.
  -s3InitialBuckets string
    	Buckets to create at startup. Example: bucket1,bucket2,bucket3

Development

You can use either native go tooling or Bazel.

Running the service

  • go run .
  • bazel run //:aws-in-a-box

Running tests

  • go test ./...
  • bazel test //...

Kinesis Support

Most of Kinesis is implemented, including the Consumer APIS. Remaining work:

  • KMS integration not wired up
  • A few List/Describe APIs are missing
  • Shard split/merge

There is no persistence for Kinesis data.

Click to expand the detailed support table
API Support Status Caveats/Notes
AddTagsToStream ✅ Supported
CreateStream ✅ Supported
DecreaseStreamRetentionPeriod ✅ Supported
DeleteStream ✅ Supported
DeregisterStreamConsumer ✅ Supported
DescribeLimits ❌ Unsupported
DescribeStream ❌ Unsupported This API is discouraged by AWS
DescribeStreamConsumer ✅ Supported
DescribeStreamSummary ✅ Supported
DisableEnhancedMonitoring ❌ Unsupported Cloudwatch not implemented
EnableEnhancedMonitoring ❌ Unsupported Cloudwatch not implemented
GetRecords ✅ Supported
GetShardIterator ✅ Supported
IncreaseStreamRetentionPeriod ✅ Supported
ListShards ✅ Supported
ListStreamConsumers ❌ Unsupported
ListStreams ✅ Supported
ListTagsForStream ✅ Supported
MergeShards ❌ Unsupported No support for merging/splitting yet.
PutRecord ✅ Supported
PutRecords ❌ Unsupported Use PutRecord for single records instead.
RegisterStreamConsumer ✅ Supported
RemoveTagsFromStream ✅ Supported
SplitShard ❌ Unsupported No support for merging/splitting yet.
StartStreamEncryption ❌ Unsupported
StopStreamEncryption ❌ Unsupported
SubscribeToStream ✅ Supported
UpdateShardCount ❌ Unsupported No support for merging/splitting yet.
UpdateStreamMode ❌ Unsupported

KMS Support

Most of KMS is implemented. Remaining work:

  • Key deletion/key rotation is missing
  • Grants are missing
  • Key policies are missing

KMS data is fully persisted.

Click to expand the detailed support table
API Support Status Caveats/Notes
CancelKeyDeletion ❌ Unsupported
ConnectCustomKeyStore ❌ Unsupported
CreateAlias ✅ Supported
CreateCustomKeyStore ❌ Unsupported
CreateGrant ❌ Unsupported
CreateKey ✅ Supported ECC_SECG_P256K1 and SM2 not supported
Decrypt ✅ Supported
DeleteAlias ✅ Supported
DeleteCustomKeyStore ❌ Unsupported
DeleteImportedKeyMaterial ❌ Unsupported
DescribeCustomKeyStores ❌ Unsupported
DescribeKey ✅ Supported Lots of metadata properties missing
DisableKey ✅ Supported
DisableKeyRotation ❌ Unsupported
DisconnectCustomKeyStore ❌ Unsupported
EnableKey ✅ Supported
EnableKeyRotation ❌ Unsupported
Encrypt ✅ Supported
GenerateDataKey ✅ Supported
GenerateDataKeyPair ✅ Supported ECC_SECG_P256K1 not supported
GenerateDataKeyPairWithoutPlaintext ✅ Supported ECC_SECG_P256K1 not supported
GenerateDataKeyWithoutPlaintext ✅ Supported
GenerateMac ✅ Supported
GenerateRandom ✅ Supported
GetKeyPolicy ❌ Unsupported
GetKeyRotationStatus ❌ Unsupported
GetParametersForImport ❌ Unsupported
GetPublicKey ❌ Unsupported
ImportKeyMaterial ❌ Unsupported
ListAliases ✅ Supported
ListGrants ❌ Unsupported
ListKeyPolicies ❌ Unsupported
ListKeys ✅ Supported
ListResourceTags ✅ Supported
ListRetirableGrants ❌ Unsupported
PutKeyPolicy ❌ Unsupported
ReEncrypt ✅ Supported
ReplicateKey ❌ Unsupported
RetireGrant ❌ Unsupported
RevokeGrant ❌ Unsupported
ScheduleKeyDeletion ❌ Unsupported
Sign ✅ Supported
TagResource ✅ Supported
UntagResource ✅ Supported
UpdateAlias ✅ Supported
UpdateCustomKeyStore ❌ Unsupported
UntagResource ✅ Supported
UpdateKeyDescription ✅ Supported
UpdatePrimaryRegion ❌ Unsupported
Verify ✅ Supported
VerifyMac ✅ Supported

S3 Support

Most common operations of S3 are implemented. Remaining work:

  • Versioning
  • A bunch of metadata/usage APIs
  • Policy/ACL is missing

S3 blocks are persisted, but metadata is not. This will be fixed in the future.

Click to expand the detailed support table
API Support Status Caveats/Notes
AbortMultipartUpload ✅ Supported
CompleteMultipartUpload ✅ Supported
CopyObject ✅ Supported
CreateBucket ✅ Supported
CreateMultipartUpload ✅ Supported
DeleteBucket ✅ Supported
DeleteBucketAnalyticsConfiguration ❌ Unsupported
DeleteBucketCors ❌ Unsupported
DeleteBucketEncryption ❌ Unsupported
DeleteBucketIntelligentTieringConfiguration ❌ Unsupported
DeleteBucketInventoryConfiguration ❌ Unsupported
DeleteBucketLifecycle ❌ Unsupported
DeleteBucketMetricsConfiguration ❌ Unsupported
DeleteBucketOwnershipControls ❌ Unsupported
DeleteBucketPolicy ❌ Unsupported
DeleteBucketReplication ❌ Unsupported
DeleteBucketTagging ✅ Supported
DeleteBucketWebsite ❌ Unsupported
DeleteObject ✅ Supported
DeleteObjects ✅ Supported
DeleteObjectTagging ✅ Supported
DeletePublicAccessBlock ❌ Unsupported
GetBucketAccelerateConfiguration ❌ Unsupported
GetBucketAcl ❌ Unsupported
GetBucketAnalyticsConfiguration ❌ Unsupported
GetBucketCors ❌ Unsupported
GetBucketEncryption ❌ Unsupported
GetBucketIntelligentTieringConfiguration ❌ Unsupported
GetBucketInventoryConfiguration ❌ Unsupported
GetBucketLifecycle ❌ Unsupported Discouraged by AWS
GetBucketLifecycleConfiguration ❌ Unsupported
GetBucketLocation ❌ Unsupported
GetBucketLogging ❌ Unsupported
GetBucketMetricsConfiguration ❌ Unsupported
GetBucketNotification ❌ Unsupported Discouraged by AWS. no longer used
GetBucketNotificationConfiguration ❌ Unsupported
GetBucketOwnershipControls ❌ Unsupported
GetBucketPolicy ❌ Unsupported
GetBucketPolicyStatus ❌ Unsupported
GetBucketReplication ❌ Unsupported
GetBucketRequestPayment ❌ Unsupported
GetBucketTagging ✅ Supported
GetBucketVersioning ❌ Unsupported
GetBucketWebsite ❌ Unsupported
GetObject ✅ Supported
GetObjectAcl ❌ Unsupported
GetObjectAttributes ❌ Unsupported
GetObjectLegalHold ❌ Unsupported
GetObjectLockConfiguration ❌ Unsupported
GetObjectRetention ❌ Unsupported
GetObjectTagging ✅ Supported
GetObjectTorrent ❌ Unsupported
GetPublicAccessBlock ❌ Unsupported
HeadBucket ✅ Supported
HeadObject ✅ Supported
ListBucketAnalyticsConfigurations ❌ Unsupported
ListBucketIntelligentTieringConfigurations ❌ Unsupported
ListBucketInventoryConfigurations ❌ Unsupported
ListBucketMetricsConfigurations ❌ Unsupported
ListBuckets ✅ Supported
ListMultipartUploads ❌ Unsupported implement me!
ListObjects ❌ Unsupported implement me!
ListObjectsV2 ✅ Supported
ListObjectVersions ❌ Unsupported
ListParts ✅ Supported
PutBucketAccelerateConfiguration ❌ Unsupported
PutBucketAcl ❌ Unsupported
PutBucketAnalyticsConfiguration ❌ Unsupported
PutBucketCors ❌ Unsupported
PutBucketEncryption ❌ Unsupported
PutBucketIntelligentTieringConfiguration ❌ Unsupported
PutBucketInventoryConfiguration ❌ Unsupported
PutBucketLifecycle ❌ Unsupported Deprecated
PutBucketLifecycleConfiguration ❌ Unsupported
PutBucketLogging ❌ Unsupported
PutBucketMetricsConfiguration ❌ Unsupported
PutBucketNotification ❌ Unsupported No longer used
PutBucketNotificationConfiguration ❌ Unsupported
PutBucketOwnershipControls ❌ Unsupported
PutBucketPolicy ❌ Unsupported
PutBucketReplication ❌ Unsupported
PutBucketRequestPayment ❌ Unsupported
PutBucketTagging ✅ Supported
PutBucketVersioning ❌ Unsupported
PutBucketWebsite ❌ Unsupported
PutObject ✅ Supported
PutObjectAcl ❌ Unsupported
PutObjectLegalHold ❌ Unsupported
PutObjectLockConfiguration ❌ Unsupported
PutObjectRetention ❌ Unsupported
PutObjectTagging ✅ Supported
PutPublicAccessBlock ❌ Unsupported
RestoreObject ❌ Unsupported
SelectObjectContent ❌ Unsupported
UploadPart ✅ Supported
UploadPartCopy ❌ Unsupported
WriteGetObjectResponse ❌ Unsupported

SQS Support

SQS support is in in-progress.

Click to expand the detailed support table
API Support Status Caveats/Notes
AddPermission ❌ Unsupported
CancelMessageMoveTask ❌ Unsupported
ChangeMessageVisibility ✅ Supported
ChangeMessageVisibilityBatch ✅ Supported
CreateQueue ✅ Supported
DeleteMessage ✅ Supported
DeleteMessageBatch ✅ Supported
DeleteQueue ✅ Supported
GetQueueAttributes ✅ Supported
GetQueueUrl ✅ Supported
ListDeadLetterSourceQueues ❌ Unsupported
ListMessageMoveTasks ❌ Unsupported
ListQueues ✅ Supported
ListQueueTags ✅ Supported
PurgeQueue ❌ Unsupported
ReceiveMessage ✅ Supported wait not supported
RemovePermission ❌ Unsupported
SendMessage ✅ Supported
SendMessageBatch ❌ Unsupported
SetQueueAttributes ✅ Supported not all attributes
StartMessageMoveTask ❌ Unsupported
TagQueue ✅ Supported
UntagQueue ✅ Supported

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