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scale-node-docker

README.md

Scale

This part of the system is responsible for adding new Azure containers with redis using the rahuliyer95/csc724-redis-collectd image.

Azure Credentials

You can obtain the Azure SDK credentials using the following command

az ad sp create-for-rbac --sdk-auth

Environment Variables

The application needs the following environment variables configured for it to run.

  • KAFKA_HOST - Host where kafka is running
  • KAFKA_PORT - Port on which kafka in listening to
  • KAFKA_TOPIC - Kafka topic to listen for predictions (should be set to prediction
  • KAFKA_GROUP - Group Id for Kafka consumer
  • AZURE_CLIENT_ID - Client ID from azure credentials
  • AZURE_CLIENT_SECRET - Client Secret from azure credentials
  • AZURE_SUBSCRIPTION_ID - Subscription Id from azure credentials
  • AZURE_TENANT_ID - Tenant Id from azure credentials
  • AZ_RESOURCE_GROUP - Resource Group in Azure
  • DD_API_KEY - DataDog API Key (skip if you are not using it)
  • ENV_INTERVAL - Interval for collectd (needed for newer containers created)
  • DEBUG_FLAG - Keep it "--no-verbose" if you don't want verbose logs else make it "--verbose"

Building Image

Run docker build . -t <TAG> to build the image.

The TAG should be your Docker Hub repository where you wil be push ing the image to.

Deployment on Azure

Need to deploy it in a Azure Virtual Network named csc724