KUSTOMIZE = kustomize
KUSTOMIZEFLAGS =

KUBECTL = kubectl
KUBECTLFLAGS = 
KUBECTLDIFFFLAGS = --server-side=true --force-conflicts
KUBECTLAPPLYFLAGS = --server-side=true --force-conflicts --prune

SRC := $(shell find kustomize/ -type f)
OUT  = build

PRODOUT = $(OUT)/prod.yaml
PRODSRC = kustomize/env/prod

.PHONY: prod
prod: prod-diff

.PHONY: diff
prod-diff: $(PRODOUT)
	$(KUBECTL) $(KUBECTLFLAGS) diff $(KUBECTLDIFFFLAGS) -f $(PRODOUT) | highlight --out-format xterm256 --syntax diff

.PHONY: apply
prod-apply: $(PRODOUT)
	$(KUBECTL) $(KUBECTLFLAGS) apply $(KUBECTLAPPLYFLAGS) -l app.kubernetes.io/managed-by=kustomize -f $(PRODOUT)

$(PRODOUT): $(SRC)
	mkdir -p $(OUT)
	$(KUSTOMIZE) build $(KUSTOMIZEFLAGS) $(PRODSRC) >$(PRODOUT) || (rm $(PRODOUT); exit 1)

.PHONY: clean
clean:
	rm -r $(OUT)

.PHONY: infra
infra:
	terraform -chdir=terraform apply