DNM: kinesis support for bridge #924
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This is a copy/paste from the repo where this work was being done originally.
Embeds a deno runtime in the bridge binary to allow ad hoc reshaping of
messages read from queues before they are sent to Svix.
## Motivation
When consuming JSON from messaging systems to generate new webhooks,
it's common to need to transform the payload before making the Create
Message request to Svix.
## Solution
Embedding a JS runtime into the bridge process allows us to run
user-defined functions on the payloads as they move from input to
output.
With this diff, plugin instances provided by
`svix-webhook-bridge-plugin-queue-consumer` can now evaluate js included
in the plugin config:
```yaml
plugins:
- type: "rabbitmqconsumer"
input:
uri: "amqp://guest:guest@localhost:5672/%2f"
queue_name: "local"
requeue_on_nack: false
transformation: |
function handler(input) {
return {
app_id: input.key,
message: {
eventType: input.event_type,
payload: input.data
}
};
}
output:
token: "***************"
```
The `transformation` key can now be set on any of these consumers. The
JS fragment should include a default export of a function that accepts
an object and returns an object.
These functions can be used to reshape the payload as necessary.
Very incomplete/untested. The sdk doesn't seem to have APIs for consuming. Follow <awslabs/aws-sdk-rust#213> for updates on the sdk side.
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Do not merge. Only a partial impl.
Needs consumer APIs which are not yet implemented in the SDK awslabs/aws-sdk-rust#213
Much of the code in the new kinesis module is actually copypasta from SQS, so don't be fooled. It probably looks more complete than it is.