Makefile

BIN_DIR ?= $(shell pwd)/tmp/bin

JSONNET_VENDOR=vendor
GRAFANA_DASHBOARD_LINTER_BIN=$(BIN_DIR)/dashboard-linter
JB_BIN=$(BIN_DIR)/jb
JSONNET_BIN=$(BIN_DIR)/jsonnet
JSONNETLINT_BIN=$(BIN_DIR)/jsonnet-lint
JSONNETFMT_BIN=$(BIN_DIR)/jsonnetfmt
PROMTOOL_BIN=$(BIN_DIR)/promtool
TOOLING=$(JB_BIN) $(JSONNETLINT_BIN) $(JSONNET_BIN) $(JSONNETFMT_BIN) $(PROMTOOL_BIN) $(GRAFANA_DASHBOARD_LINTER_BIN)
JSONNETFMT_ARGS=-n 2 --max-blank-lines 2 --string-style s --comment-style s
SRC_DIR ?=dashboards
OUT_DIR ?=dashboards_out

.PHONY: all
all: fmt generate lint test

.PHONY: generate
generate: prometheus_alerts.yaml $(OUT_DIR) # prometheus_rules.yaml

$(JSONNET_VENDOR): $(JB_BIN) jsonnetfile.json
	$(JB_BIN) install

.PHONY: fmt
fmt: $(JSONNETFMT_BIN)
	find . -name 'vendor' -prune -o -name '*.libsonnet' -print -o -name '*.jsonnet' -print | \
		xargs -n 1 -- $(JSONNETFMT_BIN) $(JSONNETFMT_ARGS) -i

prometheus_alerts.yaml: $(JSONNET_BIN) mixin.libsonnet lib/alerts.jsonnet alerts/*.libsonnet
	@$(JSONNET_BIN) -J vendor -S lib/alerts.jsonnet > $@

prometheus_rules.yaml: $(JSONNET_BIN) mixin.libsonnet lib/rules.jsonnet rules/*.libsonnet
	@$(JSONNET_BIN) -J vendor -S lib/rules.jsonnet > $@

$(OUT_DIR): $(JSONNET_BIN) $(JSONNET_VENDOR) mixin.libsonnet lib/dashboards.jsonnet $(SRC_DIR)/*.libsonnet
	@mkdir -p $(OUT_DIR)
	@$(JSONNET_BIN) -J vendor -m $(OUT_DIR) lib/dashboards.jsonnet

.PHONY: lint
lint: jsonnet-lint alerts-lint dashboards-lint

.PHONY: jsonnet-lint
jsonnet-lint: $(JSONNETLINT_BIN) $(JSONNET_VENDOR)
	@find . -name 'vendor' -prune -o -name '*.libsonnet' -print -o -name '*.jsonnet' -print | \
		xargs -n 1 -- $(JSONNETLINT_BIN) -J vendor


.PHONY: alerts-lint
alerts-lint: $(PROMTOOL_BIN) prometheus_alerts.yaml # prometheus_rules.yaml
	# @$(PROMTOOL_BIN) check rules prometheus_rules.yaml
	@$(PROMTOOL_BIN) check rules prometheus_alerts.yaml

$(OUT_DIR)/.lint: $(OUT_DIR)
	@cp .lint $@

.PHONY: dashboards-lint
dashboards-lint: $(GRAFANA_DASHBOARD_LINTER_BIN) $(OUT_DIR)/.lint
	# Replace rates var with $$__rate_interval to make dashboard-linter happy.
	@find $(OUT_DIR) -name '*.json' -print0 | xargs -n 1 -0 $(GRAFANA_DASHBOARD_LINTER_BIN) lint --strict --config .lint


.PHONY: clean
clean:
	# Remove all files and directories ignored by git.
	git clean -Xfd .

.PHONY: test
test: $(PROMTOOL_BIN) prometheus_alerts.yaml # prometheus_rules.yaml
	@$(PROMTOOL_BIN) test rules tests.yaml

$(BIN_DIR):
	mkdir -p $(BIN_DIR)

$(TOOLING): $(BIN_DIR)
	@echo Installing tools from hack/tools.go
	@cd scripts && go list -e -mod=mod -tags tools -f '{{ range .Imports }}{{ printf "%s\n" .}}{{end}}' ./ | xargs -tI % go build -mod=mod -o $(BIN_DIR) %