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My First Steps With Crossplane: Crossplane 101
- In the early days of IT, manual server configuration was common, but became unscalable as infrastructures grew.
- Infrastructure-as-Code emerged to define machine states in text files, with tools like Chef, Puppet, and later Terraform.
- Terraform, a popular IaC tool, faced limitations like descriptive language constraints and lack of a central registry for automated drift correction.
- Introducing Crossplane, which leverages Kubernetes to address Terraform's shortcomings, allowing management of resources through a reconciling engine.
- Crossplane acts like an engine, managing various resources such as cloud services, Terraform, and more through configuration packages and providers.
- To start using Crossplane, one needs to install it using Helm and then set up providers like the GCP provider for managing resources like GKE clusters.
- Google authentication for Crossplane involves creating a secret for Service Account credentials and configuring Provider and ProviderConfig objects for project management.
- Creating a GKE cluster using Crossplane involves defining cluster specifications, referencing ProviderConfig, and writing connection secrets.
- You can monitor the GKE cluster creation progress using kubectl, access the cluster using the generated kubeconfig, and delete it by deleting the corresponding Cluster object.
- Crossplane's approach of using Kubernetes for resource management is highlighted in this article as a powerful tool with potential for further integrations and capabilities.
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