Enterprise Version of d1-fleet: Enhanced Features and Control

Scenario: A global maritime monitoring solution company, Royal IHC, operates a fleet of sophisticated vessels equipped with up to 500 sensors generating data on performance, speed, and environmental readings. The company needs to monitor the real-time status of their equipment and keep track of their vessels’ locations to ensure projects can continue safely while meeting time and budget constraints. The current monitoring solution is not sufficient for managing the vast amount of data generated by their fleet. The company decides to upgrade to the enterprise version of d1-fleet for enhanced features and control.

Codebase Files and Directories:

  • clusters/ (contains configurations for different environments)
  • clusters/prod-eu/ (production environment in Europe)
  • clusters/prod-eu/flux-system/
  • clusters/prod-eu/apps-tenant.yaml
  • clusters/prod-eu/infra-tenant.yaml
  • clusters/prod-eu/runtime-info.yaml
  • clusters/prod-us/ (production environment in the US)
  • clusters/prod-us/flux-system/
  • clusters/prod-us/apps-tenant.yaml
  • clusters/prod-us/infra-tenant.yaml
  • clusters/prod-us/runtime-info.yaml
  • clusters/staging/ (staging environment)
  • clusters/staging/flux-system/
  • clusters/staging/apps-tenant.yaml
  • clusters/staging/infra-tenant.yaml
  • clusters/staging/runtime-info.yaml
  • tenants/ (contains configurations for different tenants)
  • tenants/apps/
  • tenants/apps/components/
  • tenants/apps/policies/
  • tenants/apps/update/
  • tenants/infra/
  • tenants/infra/components/
  • tenants/infra/update/
  • LICENSE
  • README.md

Solution:

  1. Understanding the Basics of d1-fleet: Before upgrading to the enterprise version, it’s essential to have a solid understanding of the underlying fleet layer and how it’s used to manage services and containers. The following resources provide a good starting point:
  1. Creating Flexible Services with Fleet Unit Files: To make the most of the enterprise version’s enhanced features, it’s crucial to learn how to create flexible services using fleet unit files. This includes understanding how to evenly distribute services, register useful information with etcd, and configure containers to use the registered information.
  1. Managing Dependencies: Fleet will not manage the dependencies of a unit automatically. It’s essential to understand this limitation and learn how to handle dependencies manually.
  1. Advanced Fleet Configuration: The enterprise version of d1-fleet offers advanced configuration options, such as X-Fleet, which can be used to direct fleet on how to make scheduling decisions.
  1. Scaling and Managing Multiple Clusters: As the global maritime monitoring solution grows, it’s essential to learn how to manage and scale multiple clusters using tools like Open Cluster Management.

Tests:

  1. Verify that the enterprise version of d1-fleet is installed and configured correctly by checking the logs and status of the fleet services.
  2. Create a new service using a fleet unit file and verify that it’s scheduled and running on the appropriate node.
  3. Test the dependency management by creating a service with multiple dependencies and verifying that all dependencies are satisfied before the service starts.
  4. Configure the X-Fleet options in a unit file and verify that the scheduling decisions are made according to the specified criteria.
  5. Create and manage multiple clusters using Open Cluster Management and verify that services are distributed evenly across the clusters.