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cdk-watchful

Release python typescript

Watching your CDK back since 2019

Watchful is an AWS CDK construct library that makes it easy to monitor CDK apps.

TypeScript:

import { Watchful } from 'cdk-watchful'

const wf = new Watchful(this, 'watchful');
wf.watchDynamoTable('My Cute Little Table', myTable);
wf.watchLambdaFunction('My Function', myFunction);
wf.watchApiGateway('My REST API', myRestApi);

Python:

from cdk_watchful import Watchful

wf = Watchful(self, 'watchful')
wf.watch_dynamo_table('My Cute Little Table', my_table)
wf.watch_lambda_function('My Function', my_function)
wf.watch_api_gateway('My REST API', my_rest_api)

And...

Install

TypeScript/JavaScript:

$ npm install cdk-watchful

Python:

$ pip install cdk-watchful

Initialize

To get started, just define a Watchful construct in your CDK app (code is in TypeScript, but python will work too). You can initialize using an email address, SQS arn or both:

TypeScript:

import { Watchful } from 'cdk-watchful'
import sns = require('@aws-cdk/aws-sns');
import sqs = require('@aws-cdk/aws-sqs');

const alarmSqs = sqs.Queue.fromQueueArn(this, 'AlarmQueue', 'arn:aws:sqs:us-east-1:444455556666:alarm-queue')
const alarmSns = sns.Topic.fromTopicArn(this, 'AlarmTopic', 'arn:aws:sns:us-east-2:444455556666:MyTopic');

const wf = new Watchful(this, 'watchful', {
  alarmEmail: '[email protected]',
  alarmSqs,
  alarmSns,
});

Python:

from cdk_watchful import Watchful

alarm_sqs = sqs.Queue.from_queue_arn(self, 'AlarmQueue', 'arn:aws:sqs:us-east-1:444455556666:alarm-queue')
alarm_sns = sns.Topic.from_topic_arn(self, 'AlarmTopic', 'arn:aws:sns:us-east-2:444455556666:MyTopic')

wf = Watchful(
  self,
  'watchful',
  alarm_email='[email protected]',
  alarm_sqs=alarm_sqs,
  alarm_sns=alarm_sns

Add Resources

Watchful manages a central dashboard and configures default alarming for:

  • Amazon DynamoDB: watchful.watchDynamoTable
  • AWS Lambda: watchful.watchLambdaFunction
  • Amazon API Gateway: watchful.watchApiGateway
  • Request yours

Watching Scopes

Watchful can also watch complete CDK construct scopes. It will automatically discover all watchable resources within that scope (recursively), add them to your dashboard and configure alarms for them.

TypeScript:

wf.watchScope(storageLayer);

Python:

wf.watch_scope(storage_layer)

API Reference

See API.md.

Example

See a more complete example.

Contributing

Contributions of all kinds are welcome and celebrated. Raise an issue, submit a PR, do the right thing.

To set up a dev environment:

  1. Clone repo
  2. yarn install

Development workflow (change code and run tests automatically):

yarn test:watch

Build (like CI):

yarn build

Release new versions:

yarn bump

And then publish as a PR.

License

Apache 2.0