auth0-event-bridge.sh

#!/bin/bash

ACCOUNT_ID=$(aws sts get-caller-identity --query Account --output text)
EVENT_SOURCE_NAME=$(aws events list-event-sources --query 'EventSources[?CreatedBy == `aws.partner/auth0.com`]|[0].Name' --output text)
RULE_NAME=auth0
FUNCTION_NAME=Auth0Logs

aws events create-event-bus --name $EVENT_SOURCE_NAME --event-source-name $EVENT_SOURCE_NAME

EVENT_PATTERN=$(jq -r .EventPattern event-pattern.json | jq --arg ACCOUNT "$ACCOUNT_ID" '.account = $ACCOUNT' | jq 'tostring')
jq --arg SOURCE "$EVENT_SOURCE_NAME" --arg NAME "$RULE_NAME" --arg PATTERN "$EVENT_PATTERN" '. + {EventBusName: $SOURCE, Name: $NAME, EventPattern: $PATTERN}' event-pattern.json > event-patten-edited.json

aws events put-rule --cli-input-json file://event-pattern-edited.json

TARGET_ARN=$(aws lambda list-functions --query "Functions[?FunctionName == '$FUNCTION_NAME']|[0].FunctionArn" --output text)
aws events put-targets --rule $RULE_NAME --targets "Id"="1","Arn"=$TARGET_ARN --event-bus-name $EVENT_SOURCE_NAME

event-pattern.json

{
  "EventPattern": "{\"account\": [\"$ACCOUNT_ID\"]}",
  "Name": "$NAME",
  "EventBusName": "$EVENT_SOURCE_NAME"
}