distro/rhel8: add azure EAP 7 image type

Initialise the image type as an Azure RHUI type with the name
"azure-eap7-rhui" and a workload attached that provides the extra
packages required by the EAP workload.

internal/distro/rhel8/azure.go

@@ -93,6 +93,14 @@ func azureImgType() imageType {
 	}
 }
 
+func azureEap7RhuiImgType() imageType {
+	it := azureRhuiImgType()
+	it.name = "azure-eap7-rhui"
+	it.nameAliases = nil // make sure we don't inherit aliases from the base image type
+	it.workload = eapWorkload()
+	return it
+}
+
 // PACKAGE SETS
 
 // Common Azure image package set

internal/distro/rhel8/distro.go

@@ -437,6 +437,9 @@ func newDistro(name string, minor int) *distribution {
 				edgeSimplifiedInstallerImgType(rd),
 			)
 
+			azureEap := azureEap7RhuiImgType()
+			x86_64.addImageTypes(azureX64Platform, azureEap)
+
 			aarch64.addImageTypes(
 				rawAarch64Platform,
 				edgeRawImgType(),

internal/distro/rhel8/distro_test.go

@@ -300,6 +300,7 @@ func TestImageType_Name(t *testing.T) {
 				"vhd",
 				"azure-rhui",
 				"azure-sap-rhui",
+				"azure-eap7-rhui",
 				"vmdk",
 				"ami",
 				"ec2",
@@ -492,6 +493,7 @@ func TestArchitecture_ListImageTypes(t *testing.T) {
 				"vhd",
 				"azure-rhui",
 				"azure-sap-rhui",
+				"azure-eap7-rhui",
 				"vmdk",
 				"ami",
 				"ec2",