This pull request introduces several enhancements and fixes to the UnleashReconciler in the controllers/unleash_controller.go file. The most significant changes include adding a deployment readiness check, refactoring error handling, and updating the test suite to cover new functionalities.

Enhancements and Fixes:

Deployment Readiness Check:

• Introduced a new constant deploymentTimeout and a function waitForDeployment to ensure the deployment rollout is complete before proceeding. (controllers/unleash_controller.go) [1] [2] [3]
• Added utility functions getDeployment, setDeploymentStatusFailed, and setDeploymentStatusAvailable to facilitate deployment status checks in tests. (controllers/unleash_controller_test.go) [1] [2] [3]

Error Handling:

• Refactored error handling in the Reconcile function to use a more consistent variable name statusErr for status update errors. (controllers/unleash_controller.go) [1] [2] [3] [4]

Test Suite Updates:

• Added new test cases to ensure proper handling of deployment status and readiness checks. (controllers/unleash_controller_test.go) [1] [2]
• Implemented the TestDeploymentIsReady function to validate the deployment readiness utility. (pkg/utils/k8s_test.go)

Utility Enhancements:

• Added the DeploymentIsReady function to the utils package for checking deployment readiness. (pkg/utils/k8s.go)

Imports:

• Added necessary imports for new functionalities in controllers/unleash_controller.go and pkg/utils/k8s.go. [1] [2] [3] [4]

Close #193