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🌱 Add basic validation for time duration #11257

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🌱 Add basic validation for time duration #11257

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18 changes: 18 additions & 0 deletions api/v1beta1/cluster_types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -153,17 +153,23 @@ type ControlPlaneTopology struct {
// NodeDrainTimeout is the total amount of time that the controller will spend on draining a node.
// The default value is 0, meaning that the node can be drained without any time limitations.
// NOTE: NodeDrainTimeout is different from `kubectl drain --timeout`
// +kubebuilder:validation:Pattern="^(([1-9][0-9]*(\\.[0-9]+)?|0?\\.[0-9]+)(ns|us|µs|ms|s|m|h))+$"
// +kubebuilder:validation:Type:=string
Comment on lines +156 to +157
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If you were to use CEL here, you could create a custom error message which may be more helpful to end users, rather than just printing the regex as will happen when this fails, WDYT?

CEL pattern validation has been around since K8s 1.25 (beta originally) so I think all supported K8s versions CAPI targets should handle this

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1.28 is the min supported mgmt cluster version in CAPI 1.9.

Just have to make sure that whatever we do in CEL works with 1.28 (the Kubernetes CEL library is still adding new stuff with recent Kubernetes versions)

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how about this validation rule:

// +kubebuilder:validation:XValidation:rule="self.matches('^(([1-9][0-9]*(\\.[0-9]+)?|0?\\.[0-9]+)(ns|us|µs|ms|s|m|h))+$')",message="Invalid duration format. Must be a positive number followed by a unit (ns, us, µs, ms, s, m, h). Examples: 300ms, 2h45m, 1.5h"

this supports the error message too, but the pattern matching marker does not!

// +optional
NodeDrainTimeout *metav1.Duration `json:"nodeDrainTimeout,omitempty"`

// NodeVolumeDetachTimeout is the total amount of time that the controller will spend on waiting for all volumes
// to be detached. The default value is 0, meaning that the volumes can be detached without any time limitations.
// +kubebuilder:validation:Pattern="^(([1-9][0-9]*(\\.[0-9]+)?|0?\\.[0-9]+)(ns|us|µs|ms|s|m|h))+$"
// +kubebuilder:validation:Type:=string
// +optional
NodeVolumeDetachTimeout *metav1.Duration `json:"nodeVolumeDetachTimeout,omitempty"`

// NodeDeletionTimeout defines how long the controller will attempt to delete the Node that the Machine
// hosts after the Machine is marked for deletion. A duration of 0 will retry deletion indefinitely.
// Defaults to 10 seconds.
// +kubebuilder:validation:Pattern="^(([1-9][0-9]*(\\.[0-9]+)?|0?\\.[0-9]+)(ns|us|µs|ms|s|m|h))+$"
// +kubebuilder:validation:Type:=string
// +optional
NodeDeletionTimeout *metav1.Duration `json:"nodeDeletionTimeout,omitempty"`

Expand Down Expand Up @@ -226,17 +232,23 @@ type MachineDeploymentTopology struct {
// NodeDrainTimeout is the total amount of time that the controller will spend on draining a node.
// The default value is 0, meaning that the node can be drained without any time limitations.
// NOTE: NodeDrainTimeout is different from `kubectl drain --timeout`
// +kubebuilder:validation:Pattern="^(([1-9][0-9]*(\\.[0-9]+)?|0?\\.[0-9]+)(ns|us|µs|ms|s|m|h))+$"
// +kubebuilder:validation:Type:=string
// +optional
NodeDrainTimeout *metav1.Duration `json:"nodeDrainTimeout,omitempty"`

// NodeVolumeDetachTimeout is the total amount of time that the controller will spend on waiting for all volumes
// to be detached. The default value is 0, meaning that the volumes can be detached without any time limitations.
// +kubebuilder:validation:Pattern="^(([1-9][0-9]*(\\.[0-9]+)?|0?\\.[0-9]+)(ns|us|µs|ms|s|m|h))+$"
// +kubebuilder:validation:Type:=string
// +optional
NodeVolumeDetachTimeout *metav1.Duration `json:"nodeVolumeDetachTimeout,omitempty"`

// NodeDeletionTimeout defines how long the controller will attempt to delete the Node that the Machine
// hosts after the Machine is marked for deletion. A duration of 0 will retry deletion indefinitely.
// Defaults to 10 seconds.
// +kubebuilder:validation:Pattern="^(([1-9][0-9]*(\\.[0-9]+)?|0?\\.[0-9]+)(ns|us|µs|ms|s|m|h))+$"
// +kubebuilder:validation:Type:=string
// +optional
NodeDeletionTimeout *metav1.Duration `json:"nodeDeletionTimeout,omitempty"`

Expand Down Expand Up @@ -303,17 +315,23 @@ type MachinePoolTopology struct {
// NodeDrainTimeout is the total amount of time that the controller will spend on draining a node.
// The default value is 0, meaning that the node can be drained without any time limitations.
// NOTE: NodeDrainTimeout is different from `kubectl drain --timeout`
// +kubebuilder:validation:Pattern="^(([1-9][0-9]*(\\.[0-9]+)?|0?\\.[0-9]+)(ns|us|µs|ms|s|m|h))+$"
// +kubebuilder:validation:Type:=string
// +optional
NodeDrainTimeout *metav1.Duration `json:"nodeDrainTimeout,omitempty"`

// NodeVolumeDetachTimeout is the total amount of time that the controller will spend on waiting for all volumes
// to be detached. The default value is 0, meaning that the volumes can be detached without any time limitations.
// +kubebuilder:validation:Pattern="^(([1-9][0-9]*(\\.[0-9]+)?|0?\\.[0-9]+)(ns|us|µs|ms|s|m|h))+$"
// +kubebuilder:validation:Type:=string
// +optional
NodeVolumeDetachTimeout *metav1.Duration `json:"nodeVolumeDetachTimeout,omitempty"`

// NodeDeletionTimeout defines how long the controller will attempt to delete the Node that the MachinePool
// hosts after the MachinePool is marked for deletion. A duration of 0 will retry deletion indefinitely.
// Defaults to 10 seconds.
// +kubebuilder:validation:Pattern="^(([1-9][0-9]*(\\.[0-9]+)?|0?\\.[0-9]+)(ns|us|µs|ms|s|m|h))+$"
// +kubebuilder:validation:Type:=string
// +optional
NodeDeletionTimeout *metav1.Duration `json:"nodeDeletionTimeout,omitempty"`

Expand Down
9 changes: 9 additions & 0 deletions config/crd/bases/cluster.x-k8s.io_clusters.yaml
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