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aws_sns output

Sends messages to an AWS SNS topic.

# Common config fields, showing default values
output:
label: ""
aws_sns:
topic_arn: "" # No default (required)
message_group_id: "" # No default (optional)
message_deduplication_id: "" # No default (optional)
subject: "" # No default (optional)
max_in_flight: 64
metadata:
exclude_prefixes: []

Credentials

By default Expanso Edge will use a shared credentials file when connecting to AWS services. It's also possible to set them explicitly at the component level, allowing you to transfer data across accounts. You can find out more in this document.

Performance

This output benefits from sending multiple messages in flight in parallel for improved performance. You can tune the max number of in flight messages (or message batches) with the field max_in_flight.

Fields

topic_arn

The topic to publish to.

This field supports interpolation functions.

Type: string

message_group_id

An optional group ID to set for messages.

This field supports interpolation functions.

Type: string

message_deduplication_id

An optional deduplication ID to set for messages.

This field supports interpolation functions.

Type: string

subject

An optional subject to set for messages.

This field supports interpolation functions.

Type: string

max_in_flight

The maximum number of messages to have in flight at a given time. Increase this to improve throughput.

Type: int
Default: 64

metadata

Specify criteria for which metadata values are sent as headers.

Type: object

metadata.exclude_prefixes

Provide a list of explicit metadata key prefixes to be excluded when adding metadata to sent messages.

Type: array of string
Default: []

timeout

The maximum period to wait on an upload before abandoning it and reattempting.

Type: string
Default: "5s"

region

The AWS region to target.

Type: string

endpoint

Allows you to specify a custom endpoint for the AWS API.

Type: string

tcp

TCP socket configuration.

Type: object

tcp.connect_timeout

Maximum amount of time a dial will wait for a connect to complete. Zero disables.

Type: string
Default: "0s"

tcp.keep_alive

TCP keep-alive probe configuration.

Type: object

tcp.keep_alive.idle

Duration the connection must be idle before sending the first keep-alive probe. Zero defaults to 15s. Negative values disable keep-alive probes.

Type: string
Default: "15s"

tcp.keep_alive.interval

Duration between keep-alive probes. Zero defaults to 15s.

Type: string
Default: "15s"

tcp.keep_alive.count

Maximum unanswered keep-alive probes before dropping the connection. Zero defaults to 9.

Type: int
Default: 9

tcp.tcp_user_timeout

Maximum time to wait for acknowledgment of transmitted data before killing the connection. Linux-only (kernel 2.6.37+), ignored on other platforms. When enabled, keep_alive.idle must be greater than this value per RFC 5482. Zero disables.

Type: string
Default: "0s"

credentials

Optional manual configuration of AWS credentials to use. More information can be found in this document.

Type: object

credentials.profile

A profile from ~/.aws/credentials to use.

Type: string

credentials.id

The ID of credentials to use.

Type: string

credentials.secret

The secret for the credentials being used.

Secret

This field contains sensitive information. Use a secret reference rather than a literal value.

Type: string

credentials.token

The token for the credentials being used, required when using short term credentials.

Secret

This field contains sensitive information. Use a secret reference rather than a literal value.

Type: string

credentials.from_ec2_role

Use the credentials of a host EC2 machine configured to assume an IAM role associated with the instance.

Type: bool

credentials.role

A role ARN to assume.

Type: string

credentials.role_external_id

An external ID to provide when assuming a role.

Type: string