Understanding Complex Helm Charts: Dependencies, CRDs, Lifecycle, Ordering, and Hooks
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The Order of Operations
When you run helm install or helm upgrade, Helm will first find out if there are any CRDs to install, if one or more hooks should run, and then it will render and apply the main resources. The overall order of creating the resources is the following:
- Namespace
- NetworkPolicy
- ResourceQuota
- LimitRange
- PodSecurityPolicy
- PodDisruptionBudget
- ServiceAccount
- Secret
- SecretList
- ConfigMap
- StorageClass
- PersistentVolume
- PersistentVolumeClaim
- CustomResourceDefinition
- ClusterRole
- ClusterRoleList
- ClusterRoleBinding
- ClusterRoleBindingList
Helm in Practice
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