Class: AWS.SQS
- Inherits:
-
AWS.Service
- Object
- AWS.Service
- AWS.SQS
- Identifier:
- sqs
- API Version:
- 2012-11-05
- Defined in:
- (unknown)
Overview
Constructs a service interface object. Each API operation is exposed as a function on service.
Service Description
Welcome to the Amazon SQS API Reference.
Amazon SQS is a reliable, highly-scalable hosted queue for storing messages as they travel between applications or microservices. Amazon SQS moves data between distributed application components and helps you decouple these components.
For information on the permissions you need to use this API, see Identity and access management in the Amazon SQS Developer Guide.
You can use Amazon Web Services SDKs to access Amazon SQS using your favorite programming language. The SDKs perform tasks such as the following automatically:
-
Cryptographically sign your service requests
-
Retry requests
-
Handle error responses
Additional information
-
Amazon SQS Developer Guide
-
Amazon Web Services General Reference
Sending a Request Using SQS
var sqs = new AWS.SQS();
sqs.addPermission(params, function (err, data) {
if (err) console.log(err, err.stack); // an error occurred
else console.log(data); // successful response
});
Locking the API Version
In order to ensure that the SQS object uses this specific API, you can
construct the object by passing the apiVersion
option to the constructor:
var sqs = new AWS.SQS({apiVersion: '2012-11-05'});
You can also set the API version globally in AWS.config.apiVersions
using
the sqs service identifier:
AWS.config.apiVersions = {
sqs: '2012-11-05',
// other service API versions
};
var sqs = new AWS.SQS();
Constructor Summary collapse
-
new AWS.SQS(options = {}) ⇒ Object
constructor
Constructs a service object.
Property Summary collapse
-
endpoint ⇒ AWS.Endpoint
readwrite
An Endpoint object representing the endpoint URL for service requests.
Properties inherited from AWS.Service
Method Summary collapse
-
addPermission(params = {}, callback) ⇒ AWS.Request
Adds a permission to a queue for a specific principal.
-
cancelMessageMoveTask(params = {}, callback) ⇒ AWS.Request
Cancels a specified message movement task.
-
changeMessageVisibility(params = {}, callback) ⇒ AWS.Request
Changes the visibility timeout of a specified message in a queue to a new value.
-
changeMessageVisibilityBatch(params = {}, callback) ⇒ AWS.Request
Changes the visibility timeout of multiple messages.
-
createQueue(params = {}, callback) ⇒ AWS.Request
Creates a new standard or FIFO queue.
-
deleteMessage(params = {}, callback) ⇒ AWS.Request
Deletes the specified message from the specified queue.
-
deleteMessageBatch(params = {}, callback) ⇒ AWS.Request
Deletes up to ten messages from the specified queue.
-
deleteQueue(params = {}, callback) ⇒ AWS.Request
Deletes the queue specified by the
QueueUrl
, regardless of the queue's contents.Be careful with the
DeleteQueue
action: When you delete a queue, any messages in the queue are no longer available. -
getQueueAttributes(params = {}, callback) ⇒ AWS.Request
Gets attributes for the specified queue.
Note: To determine whether a queue is FIFO, you can check whetherQueueName
ends with the.fifo
suffix.- getQueueUrl(params = {}, callback) ⇒ AWS.Request
Returns the URL of an existing Amazon SQS queue.
To access a queue that belongs to another AWS account, use the
QueueOwnerAWSAccountId
parameter to specify the account ID of the queue's owner.- listDeadLetterSourceQueues(params = {}, callback) ⇒ AWS.Request
Returns a list of your queues that have the
RedrivePolicy
queue attribute configured with a dead-letter queue.The
ListDeadLetterSourceQueues
methods supports pagination.- listMessageMoveTasks(params = {}, callback) ⇒ AWS.Request
Gets the most recent message movement tasks (up to 10) under a specific source queue.
Note:- This action is currently limited to supporting message redrive from dead-letter queues (DLQs) only.
- listQueues(params = {}, callback) ⇒ AWS.Request
Returns a list of your queues in the current region.
- listQueueTags(params = {}, callback) ⇒ AWS.Request
List all cost allocation tags added to the specified Amazon SQS queue.
- purgeQueue(params = {}, callback) ⇒ AWS.Request
Deletes available messages in a queue (including in-flight messages) specified by the
QueueURL
parameter.When you use the
PurgeQueue
action, you can't retrieve any messages deleted from a queue.The message deletion process takes up to 60 seconds.
- receiveMessage(params = {}, callback) ⇒ AWS.Request
Retrieves one or more messages (up to 10), from the specified queue.
- removePermission(params = {}, callback) ⇒ AWS.Request
Revokes any permissions in the queue policy that matches the specified
Label
parameter.Note:- Only the owner of a queue can remove permissions from it.
- sendMessage(params = {}, callback) ⇒ AWS.Request
Delivers a message to the specified queue.
A message can include only XML, JSON, and unformatted text.
- sendMessageBatch(params = {}, callback) ⇒ AWS.Request
You can use
SendMessageBatch
to send up to 10 messages to the specified queue by assigning either identical or different values to each message (or by not assigning values at all).- setQueueAttributes(params = {}, callback) ⇒ AWS.Request
Sets the value of one or more queue attributes, like a policy.
- startMessageMoveTask(params = {}, callback) ⇒ AWS.Request
Starts an asynchronous task to move messages from a specified source queue to a specified destination queue.
Note:- This action is currently limited to supporting message redrive from queues that are configured as dead-letter queues (DLQs) of other Amazon SQS queues only.
- tagQueue(params = {}, callback) ⇒ AWS.Request
Add cost allocation tags to the specified Amazon SQS queue.
- untagQueue(params = {}, callback) ⇒ AWS.Request
Remove cost allocation tags from the specified Amazon SQS queue.
Methods inherited from AWS.Service
makeRequest, makeUnauthenticatedRequest, waitFor, defineService
Constructor Details
new AWS.SQS(options = {}) ⇒ Object
Constructs a service object. This object has one method for each API operation.
Property Details
Method Details
addPermission(params = {}, callback) ⇒ AWS.Request
Adds a permission to a queue for a specific principal. This allows sharing access to the queue.
When you create a queue, you have full control access rights for the queue. Only you, the owner of the queue, can grant or deny permissions to the queue. For more information about these permissions, see Allow Developers to Write Messages to a Shared Queue in the Amazon SQS Developer Guide.
Note:-
AddPermission
generates a policy for you. You can useSetQueueAttributes
to upload your policy. For more information, see Using Custom Policies with the Amazon SQS Access Policy Language in the Amazon SQS Developer Guide. - An Amazon SQS policy can have a maximum of seven actions per statement.
- To remove the ability to change queue permissions, you must deny permission to the
AddPermission
,RemovePermission
, andSetQueueAttributes
actions in your IAM policy. - Amazon SQS
AddPermission
does not support adding a non-account principal.
Note: Cross-account permissions don't apply to this action. For more information, see Grant cross-account permissions to a role and a username in the Amazon SQS Developer Guide.cancelMessageMoveTask(params = {}, callback) ⇒ AWS.Request
Cancels a specified message movement task. A message movement can only be cancelled when the current status is RUNNING. Cancelling a message movement task does not revert the messages that have already been moved. It can only stop the messages that have not been moved yet.
Note:- This action is currently limited to supporting message redrive from dead-letter queues (DLQs) only. In this context, the source queue is the dead-letter queue (DLQ), while the destination queue can be the original source queue (from which the messages were driven to the dead-letter-queue), or a custom destination queue.
- Only one active message movement task is supported per queue at any given time.
changeMessageVisibility(params = {}, callback) ⇒ AWS.Request
Changes the visibility timeout of a specified message in a queue to a new value. The default visibility timeout for a message is 30 seconds. The minimum is 0 seconds. The maximum is 12 hours. For more information, see Visibility Timeout in the Amazon SQS Developer Guide.
For example, if the default timeout for a queue is 60 seconds, 15 seconds have elapsed since you received the message, and you send a ChangeMessageVisibility call with
VisibilityTimeout
set to 10 seconds, the 10 seconds begin to count from the time that you make theChangeMessageVisibility
call. Thus, any attempt to change the visibility timeout or to delete that message 10 seconds after you initially change the visibility timeout (a total of 25 seconds) might result in an error.An Amazon SQS message has three basic states:
-
Sent to a queue by a producer.
-
Received from the queue by a consumer.
-
Deleted from the queue.
A message is considered to be stored after it is sent to a queue by a producer, but not yet received from the queue by a consumer (that is, between states 1 and 2). There is no limit to the number of stored messages. A message is considered to be in flight after it is received from a queue by a consumer, but not yet deleted from the queue (that is, between states 2 and 3). There is a limit to the number of in flight messages.
Limits that apply to in flight messages are unrelated to the unlimited number of stored messages.
For most standard queues (depending on queue traffic and message backlog), there can be a maximum of approximately 120,000 in flight messages (received from a queue by a consumer, but not yet deleted from the queue). If you reach this limit, Amazon SQS returns the
OverLimit
error message. To avoid reaching the limit, you should delete messages from the queue after they're processed. You can also increase the number of queues you use to process your messages. To request a limit increase, file a support request.For FIFO queues, there can be a maximum of 20,000 in flight messages (received from a queue by a consumer, but not yet deleted from the queue). If you reach this limit, Amazon SQS returns no error messages.
If you attempt to set the
VisibilityTimeout
to a value greater than the maximum time left, Amazon SQS returns an error. Amazon SQS doesn't automatically recalculate and increase the timeout to the maximum remaining time.Unlike with a queue, when you change the visibility timeout for a specific message the timeout value is applied immediately but isn't saved in memory for that message. If you don't delete a message after it is received, the visibility timeout for the message reverts to the original timeout value (not to the value you set using the
ChangeMessageVisibility
action) the next time the message is received.changeMessageVisibilityBatch(params = {}, callback) ⇒ AWS.Request
Changes the visibility timeout of multiple messages. This is a batch version of
ChangeMessageVisibility.
The result of the action on each message is reported individually in the response. You can send up to 10ChangeMessageVisibility
requests with eachChangeMessageVisibilityBatch
action.Because the batch request can result in a combination of successful and unsuccessful actions, you should check for batch errors even when the call returns an HTTP status code of
200
.createQueue(params = {}, callback) ⇒ AWS.Request
Creates a new standard or FIFO queue. You can pass one or more attributes in the request. Keep the following in mind:
-
If you don't specify the
FifoQueue
attribute, Amazon SQS creates a standard queue.Note: You can't change the queue type after you create it and you can't convert an existing standard queue into a FIFO queue. You must either create a new FIFO queue for your application or delete your existing standard queue and recreate it as a FIFO queue. For more information, see Moving From a Standard Queue to a FIFO Queue in the Amazon SQS Developer Guide. -
If you don't provide a value for an attribute, the queue is created with the default value for the attribute.
-
If you delete a queue, you must wait at least 60 seconds before creating a queue with the same name.
To successfully create a new queue, you must provide a queue name that adheres to the limits related to queues and is unique within the scope of your queues.
Note: After you create a queue, you must wait at least one second after the queue is created to be able to use the queue.To get the queue URL, use the
GetQueueUrl
action.GetQueueUrl
requires only theQueueName
parameter. be aware of existing queue names:-
If you provide the name of an existing queue along with the exact names and values of all the queue's attributes,
CreateQueue
returns the queue URL for the existing queue. -
If the queue name, attribute names, or attribute values don't match an existing queue,
CreateQueue
returns an error.
Note: Cross-account permissions don't apply to this action. For more information, see Grant cross-account permissions to a role and a username in the Amazon SQS Developer Guide.deleteMessage(params = {}, callback) ⇒ AWS.Request
Deletes the specified message from the specified queue. To select the message to delete, use the
ReceiptHandle
of the message (not theMessageId
which you receive when you send the message). Amazon SQS can delete a message from a queue even if a visibility timeout setting causes the message to be locked by another consumer. Amazon SQS automatically deletes messages left in a queue longer than the retention period configured for the queue.Note: TheReceiptHandle
is associated with a specific instance of receiving a message. If you receive a message more than once, theReceiptHandle
is different each time you receive a message. When you use theDeleteMessage
action, you must provide the most recently receivedReceiptHandle
for the message (otherwise, the request succeeds, but the message will not be deleted). For standard queues, it is possible to receive a message even after you delete it. This might happen on rare occasions if one of the servers which stores a copy of the message is unavailable when you send the request to delete the message. The copy remains on the server and might be returned to you during a subsequent receive request. You should ensure that your application is idempotent, so that receiving a message more than once does not cause issues.deleteMessageBatch(params = {}, callback) ⇒ AWS.Request
Deletes up to ten messages from the specified queue. This is a batch version of
DeleteMessage.
The result of the action on each message is reported individually in the response.Because the batch request can result in a combination of successful and unsuccessful actions, you should check for batch errors even when the call returns an HTTP status code of
200
.deleteQueue(params = {}, callback) ⇒ AWS.Request
Deletes the queue specified by the
QueueUrl
, regardless of the queue's contents.Be careful with the
DeleteQueue
action: When you delete a queue, any messages in the queue are no longer available.When you delete a queue, the deletion process takes up to 60 seconds. Requests you send involving that queue during the 60 seconds might succeed. For example, a
SendMessage
request might succeed, but after 60 seconds the queue and the message you sent no longer exist.When you delete a queue, you must wait at least 60 seconds before creating a queue with the same name.
Note: Cross-account permissions don't apply to this action. For more information, see Grant cross-account permissions to a role and a username in the Amazon SQS Developer Guide. The delete operation uses the HTTPGET
verb.getQueueAttributes(params = {}, callback) ⇒ AWS.Request
Gets attributes for the specified queue.
Note: To determine whether a queue is FIFO, you can check whetherQueueName
ends with the.fifo
suffix.getQueueUrl(params = {}, callback) ⇒ AWS.Request
Returns the URL of an existing Amazon SQS queue.
To access a queue that belongs to another AWS account, use the
QueueOwnerAWSAccountId
parameter to specify the account ID of the queue's owner. The queue's owner must grant you permission to access the queue. For more information about shared queue access, seeAddPermission
or see Allow Developers to Write Messages to a Shared Queue in the Amazon SQS Developer Guide.listDeadLetterSourceQueues(params = {}, callback) ⇒ AWS.Request
Returns a list of your queues that have the
RedrivePolicy
queue attribute configured with a dead-letter queue.The
ListDeadLetterSourceQueues
methods supports pagination. Set parameterMaxResults
in the request to specify the maximum number of results to be returned in the response. If you do not setMaxResults
, the response includes a maximum of 1,000 results. If you setMaxResults
and there are additional results to display, the response includes a value forNextToken
. UseNextToken
as a parameter in your next request toListDeadLetterSourceQueues
to receive the next page of results.For more information about using dead-letter queues, see Using Amazon SQS Dead-Letter Queues in the Amazon SQS Developer Guide.
listMessageMoveTasks(params = {}, callback) ⇒ AWS.Request
Gets the most recent message movement tasks (up to 10) under a specific source queue.
Note:- This action is currently limited to supporting message redrive from dead-letter queues (DLQs) only. In this context, the source queue is the dead-letter queue (DLQ), while the destination queue can be the original source queue (from which the messages were driven to the dead-letter-queue), or a custom destination queue.
- Only one active message movement task is supported per queue at any given time.
listQueues(params = {}, callback) ⇒ AWS.Request
Returns a list of your queues in the current region. The response includes a maximum of 1,000 results. If you specify a value for the optional
QueueNamePrefix
parameter, only queues with a name that begins with the specified value are returned.The
listQueues
methods supports pagination. Set parameterMaxResults
in the request to specify the maximum number of results to be returned in the response. If you do not setMaxResults
, the response includes a maximum of 1,000 results. If you setMaxResults
and there are additional results to display, the response includes a value forNextToken
. UseNextToken
as a parameter in your next request tolistQueues
to receive the next page of results.Note: Cross-account permissions don't apply to this action. For more information, see Grant cross-account permissions to a role and a username in the Amazon SQS Developer Guide.listQueueTags(params = {}, callback) ⇒ AWS.Request
List all cost allocation tags added to the specified Amazon SQS queue. For an overview, see Tagging Your Amazon SQS Queues in the Amazon SQS Developer Guide.
Note: Cross-account permissions don't apply to this action. For more information, see Grant cross-account permissions to a role and a username in the Amazon SQS Developer Guide.purgeQueue(params = {}, callback) ⇒ AWS.Request
Deletes available messages in a queue (including in-flight messages) specified by the
QueueURL
parameter.When you use the
PurgeQueue
action, you can't retrieve any messages deleted from a queue.The message deletion process takes up to 60 seconds. We recommend waiting for 60 seconds regardless of your queue's size.
Messages sent to the queue before you call
PurgeQueue
might be received but are deleted within the next minute.Messages sent to the queue after you call
PurgeQueue
might be deleted while the queue is being purged.receiveMessage(params = {}, callback) ⇒ AWS.Request
Retrieves one or more messages (up to 10), from the specified queue. Using the
WaitTimeSeconds
parameter enables long-poll support. For more information, see Amazon SQS Long Polling in the Amazon SQS Developer Guide.Short poll is the default behavior where a weighted random set of machines is sampled on a
ReceiveMessage
call. Thus, only the messages on the sampled machines are returned. If the number of messages in the queue is small (fewer than 1,000), you most likely get fewer messages than you requested perReceiveMessage
call. If the number of messages in the queue is extremely small, you might not receive any messages in a particularReceiveMessage
response. If this happens, repeat the request.For each message returned, the response includes the following:
-
The message body.
-
An MD5 digest of the message body. For information about MD5, see RFC1321.
-
The
MessageId
you received when you sent the message to the queue. -
The receipt handle.
-
The message attributes.
-
An MD5 digest of the message attributes.
The receipt handle is the identifier you must provide when deleting the message. For more information, see Queue and Message Identifiers in the Amazon SQS Developer Guide.
You can provide the
VisibilityTimeout
parameter in your request. The parameter is applied to the messages that Amazon SQS returns in the response. If you don't include the parameter, the overall visibility timeout for the queue is used for the returned messages. For more information, see Visibility Timeout in the Amazon SQS Developer Guide.A message that isn't deleted or a message whose visibility isn't extended before the visibility timeout expires counts as a failed receive. Depending on the configuration of the queue, the message might be sent to the dead-letter queue.
Note: In the future, new attributes might be added. If you write code that calls this action, we recommend that you structure your code so that it can handle new attributes gracefully.removePermission(params = {}, callback) ⇒ AWS.Request
Revokes any permissions in the queue policy that matches the specified
Label
parameter.Note:- Only the owner of a queue can remove permissions from it.
- Cross-account permissions don't apply to this action. For more information, see Grant cross-account permissions to a role and a username in the Amazon SQS Developer Guide.
- To remove the ability to change queue permissions, you must deny permission to the
AddPermission
,RemovePermission
, andSetQueueAttributes
actions in your IAM policy.
sendMessage(params = {}, callback) ⇒ AWS.Request
Delivers a message to the specified queue.
A message can include only XML, JSON, and unformatted text. The following Unicode characters are allowed. For more information, see the W3C specification for characters.
#x9
|#xA
|#xD
|#x20
to#xD7FF
|#xE000
to#xFFFD
|#x10000
to#x10FFFF
Amazon SQS does not throw an exception or completely reject the message if it contains invalid characters. Instead, it replaces those invalid characters with
U+FFFD
before storing the message in the queue, as long as the message body contains at least one valid character.sendMessageBatch(params = {}, callback) ⇒ AWS.Request
You can use
SendMessageBatch
to send up to 10 messages to the specified queue by assigning either identical or different values to each message (or by not assigning values at all). This is a batch version ofSendMessage.
For a FIFO queue, multiple messages within a single batch are enqueued in the order they are sent.The result of sending each message is reported individually in the response. Because the batch request can result in a combination of successful and unsuccessful actions, you should check for batch errors even when the call returns an HTTP status code of
200
.The maximum allowed individual message size and the maximum total payload size (the sum of the individual lengths of all of the batched messages) are both 256 KiB (262,144 bytes).
A message can include only XML, JSON, and unformatted text. The following Unicode characters are allowed. For more information, see the W3C specification for characters.
#x9
|#xA
|#xD
|#x20
to#xD7FF
|#xE000
to#xFFFD
|#x10000
to#x10FFFF
Amazon SQS does not throw an exception or completely reject the message if it contains invalid characters. Instead, it replaces those invalid characters with
U+FFFD
before storing the message in the queue, as long as the message body contains at least one valid character.If you don't specify the
DelaySeconds
parameter for an entry, Amazon SQS uses the default value for the queue.setQueueAttributes(params = {}, callback) ⇒ AWS.Request
Sets the value of one or more queue attributes, like a policy. When you change a queue's attributes, the change can take up to 60 seconds for most of the attributes to propagate throughout the Amazon SQS system. Changes made to the
MessageRetentionPeriod
attribute can take up to 15 minutes and will impact existing messages in the queue potentially causing them to be expired and deleted if theMessageRetentionPeriod
is reduced below the age of existing messages.Note:- In the future, new attributes might be added. If you write code that calls this action, we recommend that you structure your code so that it can handle new attributes gracefully.
- Cross-account permissions don't apply to this action. For more information, see Grant cross-account permissions to a role and a username in the Amazon SQS Developer Guide.
- To remove the ability to change queue permissions, you must deny permission to the
AddPermission
,RemovePermission
, andSetQueueAttributes
actions in your IAM policy.
startMessageMoveTask(params = {}, callback) ⇒ AWS.Request
Starts an asynchronous task to move messages from a specified source queue to a specified destination queue.
Note:- This action is currently limited to supporting message redrive from queues that are configured as dead-letter queues (DLQs) of other Amazon SQS queues only. Non-SQS queue sources of dead-letter queues, such as Lambda or Amazon SNS topics, are currently not supported.
- In dead-letter queues redrive context, the
StartMessageMoveTask
the source queue is the DLQ, while the destination queue can be the original source queue (from which the messages were driven to the dead-letter-queue), or a custom destination queue. - Only one active message movement task is supported per queue at any given time.
tagQueue(params = {}, callback) ⇒ AWS.Request
Add cost allocation tags to the specified Amazon SQS queue. For an overview, see Tagging Your Amazon SQS Queues in the Amazon SQS Developer Guide.
When you use queue tags, keep the following guidelines in mind:
-
Adding more than 50 tags to a queue isn't recommended.
-
Tags don't have any semantic meaning. Amazon SQS interprets tags as character strings.
-
Tags are case-sensitive.
-
A new tag with a key identical to that of an existing tag overwrites the existing tag.
For a full list of tag restrictions, see Quotas related to queues in the Amazon SQS Developer Guide.
Note: Cross-account permissions don't apply to this action. For more information, see Grant cross-account permissions to a role and a username in the Amazon SQS Developer Guide.untagQueue(params = {}, callback) ⇒ AWS.Request
Remove cost allocation tags from the specified Amazon SQS queue. For an overview, see Tagging Your Amazon SQS Queues in the Amazon SQS Developer Guide.
Note: Cross-account permissions don't apply to this action. For more information, see Grant cross-account permissions to a role and a username in the Amazon SQS Developer Guide. - getQueueUrl(params = {}, callback) ⇒ AWS.Request