Pass MACs to set-static-ip initContainer

This was added for refresh-static-ips in openshift#149 - but actually
the point where we really need it is the initial setting of the IP
since the underlying script can't detect which interface to use
by IP until it's configured.

provisioning/baremetal_pod.go

@@ -265,7 +265,7 @@ func newMetal3InitContainers(info *ProvisioningInfo) []corev1.Container {
 	// particular provisioning IP on the machine CIDR, we have nothing for this container
 	// to manage.
 	if info.ProvConfig.Spec.ProvisioningIP != "" && info.ProvConfig.Spec.ProvisioningNetwork != metal3iov1alpha1.ProvisioningNetworkDisabled {
-		initContainers = append(initContainers, createInitContainerStaticIpSet(info.Images, &info.ProvConfig.Spec))
+		initContainers = append(initContainers, createInitContainerStaticIpSet(info.Images, &info.ProvConfig.Spec, info.MasterMacAddresses))
 	}
 
 	// If the PreProvisioningOSDownloadURLs are set, we fetch the URLs of either CoreOS ISO and IPA assets or in some
@@ -404,7 +404,7 @@ func createInitContainerMachineOsDownloader(info *ProvisioningInfo, imageURLs st
 	return initContainer
 }
 
-func createInitContainerStaticIpSet(images *Images, config *metal3iov1alpha1.ProvisioningSpec) corev1.Container {
+func createInitContainerStaticIpSet(images *Images, config *metal3iov1alpha1.ProvisioningSpec, macs []string) corev1.Container {
 	initContainer := corev1.Container{
 		Name:            "metal3-static-ip-set",
 		Image:           images.StaticIpManager,
@@ -424,6 +424,9 @@ func createInitContainerStaticIpSet(images *Images, config *metal3iov1alpha1.Pro
 			},
 		},
 	}
+
+	initContainer.Env = envWithMasterMacAddresses(initContainer.Env, macs)
+
 	return initContainer
 }