# Simple Makefile to build packer templates
# TODO:
# - allow overriding packer variables
# - check for hypervisors (and invalidate targets)
# - provisioning logic
BUILDERS = qemu vmware-iso virtualbox-iso
TEMPLATES := $(basename $(filter-out base.json,$(wildcard *.json)))
TARGETS := $(foreach builder, $(BUILDERS), $(foreach template, $(TEMPLATES), $(builder)/$(template)))
PACKER_OPTS := -var-file=base.json

.PHONY: all list clean
all: list

$(TARGETS):
ifndef ROOTPW
	$(error ROOTPW is not set)
endif

	$(info Building '$(@F)' with '$(@D)')
	packer build -only=$(@D) \
		$(PACKER_OPTS) \
		-var='vm_name=$(@F)' \
		$(@F).json

list:
	$(info Possible targets:)
	@(for F in $(TARGETS); do echo -e "\t$$F" ; done)

clean:
	$(foreach builder,$(BUILDERS),rm -rf $(builder)/;)

# convenience do-nothing targets for auto-complete
qemu/ubuntu-16.04-amd64:
qemu/centos-7.3-x86_64:
virtualbox-iso/ubuntu-16.04-amd64:
virtualbox-iso/centos-7.3-x86_64:
vmware-iso/ubuntu-16.04-amd64:
vmware-iso/centos-7.3-x86_64: