Deploying on K8S

Using Kubernetes technology provides us with some features that distinct it from other type of deployments. These are the main features:

  • Service discovery and load balancing. See Installing MetaDefender Core in K8S
  • Storage orchestration. Allows you to automatically mount a storage system. See Storage Configuration on K8S
  • Automated rollouts and rollbacks. See Upgrade/Deployment Strategy on K8S
  • Automatic bin packing. You tell Kubernetes how much CPU and memory (RAM) each container needs.
  • Self-healing. Kubernetes restarts containers that fail, replaces containers, kills containers that don't respond to your user-defined health check, and doesn't advertise them to clients until they are ready to serve. Se Kubernetes Probes explained below
  • Secret and configuration management. Kubernetes lets you store and manage sensitive information. See Kubernetes Components
  • Horizontal scaling. Scale your application up and down. See Scaling K8S Cluster

There are recommended configuration for each of the features to use by default when deploying MetaDefender Core in a Kubernetes cluster.

Kubernetes Probes

The Kubernetes probes are needed to control the correct behavior of the application on this environment. Each probe need to use the health check endpoint GET - Get health check statusAPI (/readyz)

  • Readiness Probe ( Check /readyz endpoint to know if the Health Check is OK )

    • initialDelaySeconds= 60
    • periodSeconds = 10
    • successThreshold = 1
    • timeoutSeconds = 10

  • Liveness Probe ( Check /readyz endpoint to know if the Health Check is OK after Pod is ready)

    • initialDelaySeconds= 90
    • timeoutSeconds = 10
    • periodSeconds = 10
    • failureThreshold= 3
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