Introduce kustomization API

api/v1alpha1/condition_types.go

@@ -56,9 +56,15 @@ const (
 	// InitializingReason represents the fact that a given kustomization is being initialized.
 	InitializingReason string = "Initializing"
 
+	// ApplySucceedReason represents the fact that the kustomization apply succeed.
+	ApplySucceedReason string = "ApplySucceed"
+
 	// ApplyFailedReason represents the fact that the kustomization apply failed.
 	ApplyFailedReason string = "ApplyFailed"
 
 	// BuildFailedReason represents the fact that the kustomize build command failed.
 	BuildFailedReason string = "BuildFailed"
+
+	// ArtifactFailedReason represents the fact that the artifact download failed.
+	ArtifactFailedReason string = "ArtifactFailed"
 )

api/v1alpha1/kustomization_types.go

@@ -21,31 +21,75 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
-// KustomizationSpec defines the desired state of a kustomization
+// KustomizationSpec defines the desired state of a kustomization.
 type KustomizationSpec struct {
-	// Path to a source directory where the kustomization file is.
+	// Path to the directory containing the kustomization file.
 	// +kubebuilder:validation:Pattern="^\\./"
 	// +required
 	Path string `json:"path"`
 
-	// Label used for prune operations.
+	// Label selector used for prune operations, e.g. env=staging.
+	// +kubebuilder:validation:Pattern="^.*=.*$"
 	// +optional
-	Label string `json:"label,omitempty"`
+	Prune string `json:"prune,omitempty"`
 
-	// Reference of the GitRepository where the kustomization source is.
+	// Reference of the Git repository where the kustomization source is.
 	// +required
 	GitRepositoryRef corev1.LocalObjectReference `json:"gitRepositoryRef"`
+
+	// The interval at which to apply the kustomization.
+	// +required
+	Interval metav1.Duration `json:"interval"`
 }
 
-// KustomizationStatus defines the observed state of a kustomization
+// KustomizationStatus defines the observed state of a kustomization.
 type KustomizationStatus struct {
 	// +optional
 	Conditions []Condition `json:"conditions,omitempty"`
 }
 
-// +kubebuilder:object:root=true
+func KustomizationReady(kustomization Kustomization, reason, message string) Kustomization {
+	kustomization.Status.Conditions = []Condition{
+		{
+			Type:               ReadyCondition,
+			Status:             corev1.ConditionTrue,
+			LastTransitionTime: metav1.Now(),
+			Reason:             reason,
+			Message:            message,
+		},
+	}
+	return kustomization
+}
 
-// Kustomization is the Schema for the kustomizations API
+func KustomizationNotReady(kustomization Kustomization, reason, message string) Kustomization {
+	kustomization.Status.Conditions = []Condition{
+		{
+			Type:               ReadyCondition,
+			Status:             corev1.ConditionFalse,
+			LastTransitionTime: metav1.Now(),
+			Reason:             reason,
+			Message:            message,
+		},
+	}
+	return kustomization
+}
+
+func KustomizationReadyMessage(kustomization Kustomization) string {
+	for _, condition := range kustomization.Status.Conditions {
+		if condition.Type == ReadyCondition {
+			return condition.Message
+		}
+	}
+	return ""
+}
+
+// +kubebuilder:object:root=true
+// +kubebuilder:subresource:status
+// +kubebuilder:printcolumn:name="Ready",type="string",JSONPath=".status.conditions[?(@.type==\"Ready\")].status",description=""
+// +kubebuilder:printcolumn:name="Status",type="string",JSONPath=".status.conditions[?(@.type==\"Ready\")].message",description=""
+// +kubebuilder:printcolumn:name="Age",type="date",JSONPath=".metadata.creationTimestamp",description=""
+
+// Kustomization is the Schema for the kustomizations API.
 type Kustomization struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty"`
@@ -56,7 +100,7 @@ type Kustomization struct {
 
 // +kubebuilder:object:root=true
 
-// KustomizationList contains a list of Kustomization
+// KustomizationList contains a list of kustomizations.
 type KustomizationList struct {
 	metav1.TypeMeta `json:",inline"`
 	metav1.ListMeta `json:"metadata,omitempty"`

api/v1alpha1/zz_generated.deepcopy.go

@@ -103,6 +103,7 @@ func (in *KustomizationList) DeepCopyObject() runtime.Object {
 func (in *KustomizationSpec) DeepCopyInto(out *KustomizationSpec) {
 	*out = *in
 	out.GitRepositoryRef = in.GitRepositoryRef
+	out.Interval = in.Interval
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new KustomizationSpec.

config/crd/bases/kustomize.fluxcd.io_kustomizations.yaml

@@ -8,6 +8,16 @@ metadata:
   creationTimestamp: null
   name: kustomizations.kustomize.fluxcd.io
 spec:
+  additionalPrinterColumns:
+  - JSONPath: .status.conditions[?(@.type=="Ready")].status
+    name: Ready
+    type: string
+  - JSONPath: .status.conditions[?(@.type=="Ready")].message
+    name: Status
+    type: string
+  - JSONPath: .metadata.creationTimestamp
+    name: Age
+    type: date
   group: kustomize.fluxcd.io
   names:
     kind: Kustomization
@@ -15,9 +25,11 @@ spec:
     plural: kustomizations
     singular: kustomization
   scope: Namespaced
+  subresources:
+    status: {}
   validation:
     openAPIV3Schema:
-      description: Kustomization is the Schema for the kustomizations API
+      description: Kustomization is the Schema for the kustomizations API.
       properties:
         apiVersion:
           description: 'APIVersion defines the versioned schema of this representation
@@ -32,10 +44,10 @@ spec:
         metadata:
           type: object
         spec:
-          description: KustomizationSpec defines the desired state of a kustomization
+          description: KustomizationSpec defines the desired state of a kustomization.
           properties:
             gitRepositoryRef:
-              description: Reference of the GitRepository where the kustomization
+              description: Reference of the Git repository where the kustomization
                 source is.
               properties:
                 name:
@@ -43,20 +55,24 @@ spec:
                     TODO: Add other useful fields. apiVersion, kind, uid?'
                   type: string
               type: object
-            label:
-              description: Label used for prune operations.
+            interval:
+              description: The interval at which to apply the kustomization.
               type: string
             path:
-              description: Path to a source directory where the kustomization file
-                is.
+              description: Path to the directory containing the kustomization file.
               pattern: ^\./
               type: string
+            prune:
+              description: Label selector used for prune operations, e.g. env=staging.
+              pattern: ^.*=.*$
+              type: string
           required:
           - gitRepositoryRef
+          - interval
           - path
           type: object
         status:
-          description: KustomizationStatus defines the observed state of a kustomization
+          description: KustomizationStatus defines the observed state of a kustomization.
           properties:
             conditions:
               items: