update.mk

UPDATE_TYPE ?= sts
STS ?=

indexers:		## Select indexer as actionable StatefultSet
indexers:
	$(eval STS := indexer)
	@echo "Set indexer as actionable StatefulSet"

indexer: indexers
index: indexers

searchers:		## Select search as actionable StatefultSet
searchers:
	$(eval STS := search)
	@echo "Set search as actionable StatefulSet"

searcher: searchers
search: searchers

update:			## Perform rolling update on selected actionable StatefulSet
update:
	@if test -z "$(STS)"; then \
		echo "ERROR: Please provide a StatefulSet to update: 'make <sts> update'."; \
	else \
		echo "kubectl patch $(UPDATE_TYPE) $(STS) -p '{\"spec\":{\"updateStrategy\":{\"type\":\"RollingUpdate\"}}}'"; \
		kubectl patch $(UPDATE_TYPE) $(STS) -p '{"spec":{"updateStrategy":{"type":"RollingUpdate"}}}'; \
	fi

.PHONY: indexers indexer index searchers searcher search update

doesn't work as expected, revisit