Adding GCPMachinePool Functionality

Author: BrennenMM7

cloud/const.go

@@ -0,0 +1,9 @@
+package cloud
+
+const (
+	// CustomDataHashAnnotation is the key for the machine object annotation
+	// which tracks the hash of the custom data.
+	// See https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
+	// for annotation formatting rules.
+	CustomDataHashAnnotation = "sigs.k8s.io/cluster-api-provider-gcp-mig-custom-data-hash"
+)

cloud/interfaces.go

@@ -104,3 +104,13 @@ type Machine interface {
 	MachineGetter
 	MachineSetter
 }
+
+// MachinePoolGetter is an interface which can get machine pool information.
+type MachinePoolGetter interface {
+	Project() string
+}
+
+// MachinePool is an interface which can get machine pool information.
+type MachinePool interface {
+	MachinePoolGetter
+}