Rendering for Director Operator docs variant

Makefile

@@ -91,6 +91,7 @@ docs: docs-dependencies docs-user-all-variants docs-dev ## Build documentation
 docs-user-all-variants:
 	cd docs_user; BUILD=upstream $(MAKE) html
 	cd docs_user; BUILD=downstream $(MAKE) html
+	cd docs_user; BUILD=downstream BUILD_VARIANT=ospdo $(MAKE) html
 
 docs-user:
 	cd docs_user; $(MAKE) html

docs_user/Makefile

@@ -1,10 +1,12 @@
 BUILD ?= upstream
+BUILD_VARIANT ?=
+BUILD_VARIANT_WITH_SEPARATOR ?= $(if $(strip $(BUILD_VARIANT)),-$(BUILD_VARIANT),)
 BUILD_DIR = ../docs_build
 ROOTDIR = $(realpath .)
 NAME = adoption-user
 DEST_DIR = $(BUILD_DIR)/$(NAME)
-DEST_HTML = $(DEST_DIR)/index-$(BUILD).html
-DEST_PDF = $(BUILD_DIR)/$(NAME)-$(BUILD).pdf
+DEST_HTML = $(DEST_DIR)/index-$(BUILD)$(BUILD_VARIANT_WITH_SEPARATOR).html
+DEST_PDF = $(BUILD_DIR)/$(NAME)-$(BUILD)$(BUILD_VARIANT_WITH_SEPARATOR).pdf
 IMAGES_DIR = $(DEST_DIR)/images
 IMAGES_TS = $(DEST_DIR)/.timestamp-images
 MAIN_SOURCE = main.adoc
@@ -56,7 +58,7 @@ $(IMAGES_TS): $(IMAGES)
 	touch $(IMAGES_TS)
 
 $(DEST_HTML): $(ALL_SOURCES)
-	$(BUNDLE_EXEC) asciidoctor -a source-highlighter=highlightjs -a highlightjs-languages="yaml,bash" -a highlightjs-theme="monokai" --failure-level WARN -a build=$(BUILD) -b xhtml5 -d book -o $@ $(MAIN_SOURCE)
+	$(BUNDLE_EXEC) asciidoctor -a source-highlighter=highlightjs -a highlightjs-languages="yaml,bash" -a highlightjs-theme="monokai" --failure-level WARN -a build=$(BUILD) -a build_variant=$(BUILD_VARIANT) -b xhtml5 -d book -o $@ $(MAIN_SOURCE)
 
 $(DEST_PDF): $(ALL_SOURCES)
-	$(BUNDLE_EXEC) asciidoctor-pdf -a build=$(BUILD) -d book -o $@ $(MAIN_SOURCE) $(IMAGES)
+	$(BUNDLE_EXEC) asciidoctor-pdf -a build=$(BUILD) -a build_variant=$(BUILD_VARIANT) -d book -o $@ $(MAIN_SOURCE) $(IMAGES)

docs_user/adoption-attributes.adoc

@@ -149,6 +149,11 @@ ifeval::["{build}" == "downstream"]
 :telemetry: Telemetry service
 endif::[]
 
+ifeval::["{build}-{build_variant}" == "downstream-ospdo"]
+:OpenStackPreviousInstaller: director_operator
+endif::[]
+
+
 // Common URLs. Do not override. Do not delete.
 :base_url: https://access.redhat.com/documentation
 :defaultURL: https://docs.redhat.com/en/documentation/red_hat_openstack_services_on_openshift/{rhos_curr_ver}/html