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Subscribe and unsubscribe | Examples code

[POST] => https://api.twitch.tv/helix/webhooks/hub

JSON Data

{
    "hub.callback": "http://460ec3f71132.ngrok.io/webhook",
    "hub.mode": "subscribe",
    "hub.topic": "https://api.twitch.tv/helix/streams?user_id=198215664",
    "hub.lease_seconds": 432000
}

Headers

  • Authorization: Bearer [XXX]
  • Client-ID: [XXX]

Examples

{'data': [{'game_id': '509670',
           'id': '51311442',
           'language': 'it',
           'started_at': '2020-07-15T15:58:09Z',
           'tag_ids': None,
           'thumbnail_url': 'https://static-cdn.jtvnw.net/previews-ttv/live_user_tkdalex-{width}x{height}.jpg',
           'title': 'Coding time - chill',
           'type': 'live',
           'user_id': '198215664',
           'user_name': 'TkdAlex',
           'viewer_count': 1}]}
127.0.0.1 - - [15/Jul/2020 18:00:22] "POST /webhook HTTP/1.1" 200 -
{'data': [{'game_id': '509670',
           'id': '51311442',
           'language': 'it',
           'started_at': '2020-07-15T15:58:09Z',
           'tag_ids': ['5b9935eb-1e9a-4217-98ad-62bda5cff0d1'],
           'thumbnail_url': 'https://static-cdn.jtvnw.net/previews-ttv/live_user_tkdalex-{width}x{height}.jpg',
           'title': 'Coding time - Test webhoooooks',
           'type': 'live',
           'user_id': '198215664',
           'user_name': 'TkdAlex',
           'viewer_count': 1}]}
127.0.0.1 - - [15/Jul/2020 18:02:49] "POST /webhook HTTP/1.1" 200 -
{'data': []}
127.0.0.1 - - [15/Jul/2020 18:04:01] "POST /webhook HTTP/1.1" 200 -

Local config

  1. Populate the cluster variable with your cluster name

Deploy the microservices

Create the repo ECR

aws ecr create-repository --repository-name twich-analytica/webhook

Optional aws ecr get-login-password --region us-east-1 | docker login --username AWS --password-stdin <YOUR-AWS_ID>.dkr.ecr.us-east-1.amazonaws.com

Docker, build tag & push

docker build -t twich-analytica/webhook .

docker tag twich-analytica/webhook:latest <YOUR-AWS_ID>.dkr.ecr.us-east-1.amazonaws.com/twich-analytica/webhook:latest

docker push <YOUR-AWS_ID>.dkr.ecr.us-east-1.amazonaws.com/twich-analytica/webhook:latest

Create a Task definition

  • From the Amazon ECS left navigation menu, select Task Definitions.
  • Select Create new Task Definition.
  • On the Select launch type compatibility page, select the EC2 option then select Next step.
  • On the Configure task and container definitions page, do the following:
    • In the Task Definition Name field, enter webhook.
    • Scroll down to Container Definitions and select Add container.
    • In the Add container window:
      • Parameters that are not defined can be either left blank or with the default settings.
      • In the Container name field, enter webhook.
      • In the Image field, enter <YOUR-AWS_ID>.dkr.ecr..amazonaws.com/user:latest
      • In the Memory Limits field, verify Hard limit is selected and enter 256 as the value.
      • Under Port mappings, Host port = 0 and Container port = 7584.
      • Scroll to ENVIRONMENT, CPU units = 256.
      • Scroll to STORAGE AND LOGGING, check Auto-configure CloudWatch Logs
  • Select Add., You will return to the Configure task and container definitions page.
  • Scroll to the bottom of the page and select Create.

Configure the load balancer with targets groups

aws elbv2 create-target-group \
   --name webhook \
   --region <YOUR-REGION>\
   --port 80 \
   --protocol HTTP \
   --target-type Instance \
   --vpc-id <YOUR-VPC-ID> \
   --health-check-interval-seconds 30 \
   --health-check-path /api/v1/webhook \
   --health-check-protocol HTTP \
   --healthy-threshold-count 5 \
   --unhealthy-threshold-count 2

Create a Service in ECS

  • Navigate to the Amazon ECS console and select Clusters from the left menu bar.
  • Select you cluster, select the Services tab then select Create.
  • On the Configure service page, edit the following parameters (and keep the default values for parameters not listed below):
    • For the Launch type, select EC2.
    • For the Task Defintion, select webhook.
    • For the Service name, enter webhook.
    • For the Number of tasks, enter 1.
    • Select Next step.
  • On the Configure network page, Load balancing section, select Application Load Balancer
  • In the Container to load balance section, select webhook:7584 and then Add to load balancer.
    • In the webhook:7584 section, do the following:
    • For the Production listener port field, select 80:HTTP.
    • For the Target group name, select your group: webhook.
    • Select Next step.
  • On the Set Auto Scaling page, leave the default setting and select Next step.
  • On the Review page, review the settings then select Create Service.
  • After the service has been created, select View Service.