✨ Add optional field to ClusterExtension API to skip CRD upgrade safety checks

api/v1alpha1/clusterextension_types.go

@@ -73,8 +73,41 @@ type ClusterExtensionSpec struct {
 	// the bundle may contain resources that are cluster-scoped or that are
 	// installed in a different namespace. This namespace is expected to exist.
 	InstallNamespace string `json:"installNamespace"`
+
+	//+kubebuilder:Optional
+	// Preflight defines the strategy for the preflight checks (i.e. as of now, the CRD upgrade safety checks) to be applied or skipped when attempting to install the cluster extension.
+	Preflight PreflightConfig `json:"preflight,omitempty"`
+}
+
+// PreflightConfig holds the config for the preflight checks. Currently, this is implemented for the
+// CRDUpgradeSafety preflight check and can be extended in the future to add other preflight checks.
+type PreflightConfig struct {
+	CRDUpgradeSafety CRDUpgradeSafetyPreflightConfig `json:"crdUpgradeSafety,omitempty"`
+}
+
+// CRDUpgradeSafetyPreflightConfig is a custom struct that holds the necessary configuration values to
+// enable or disable the CRD Upgrade Safety validations. Currently, this holds Mode
+// that sets the CRD Upgrade Safety validations to either Enabled/Disabled.
+// By default, this is set to "Enabled".
+type CRDUpgradeSafetyPreflightConfig struct {
+	//+kubebuilder:validation:Enum:=Enabled;Disabled
+	//+kubebuilder:default:=Enabled
+	//+kubebuilder:Optional
+	CRDUpgradeSafetyMode CRDUpgradeSafetyMode `json:"mode,omitempty"`
 }
 
+type CRDUpgradeSafetyMode string
+
+const (
+	// CRDUpgradeSafetyModeEnabled represents the default state for the
+	// CRD Upgrade Safety validations by setting it to "Enabled".
+	CRDUpgradeSafetyModeEnabled CRDUpgradeSafetyMode = "Enabled"
+
+	// CRDUpgradeSafetyModeDisabled represents the option for the
+	// CRD Upgrade Safety validations to be disabled by setting it to "Disabled".
+	CRDUpgradeSafetyModeDisabled CRDUpgradeSafetyMode = "Disabled"
+)
+
 const (
 	// TODO(user): add more Types, here and into init()
 	TypeInstalled = "Installed"

config/crd/bases/olm.operatorframework.io_clusterextensions.yaml

@@ -56,6 +56,26 @@ spec:
                 maxLength: 48
                 pattern: ^[a-z0-9]+(-[a-z0-9]+)*$
                 type: string
+              preflight:
+                description: Preflight defines the strategy for the preflight checks
+                  (i.e. as of now, the CRD upgrade safety checks) to be applied or
+                  skipped when attempting to install the cluster extension.
+                properties:
+                  crdUpgradeSafety:
+                    description: |-
+                      CRDUpgradeSafetyPreflightConfig is a custom struct that holds the necessary configuration values to
+                      enable or disable the CRD Upgrade Safety validations. Currently, this holds Mode
+                      that sets the CRD Upgrade Safety validations to either Enabled/Disabled.
+                      By default, this is set to "Enabled".
+                    properties:
+                      mode:
+                        default: Enabled
+                        enum:
+                        - Enabled
+                        - Disabled
+                        type: string
+                    type: object
+                type: object
               upgradeConstraintPolicy:
                 default: Enforce
                 description: Defines the policy for how to handle upgrade constraints