ebpf_exporter

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.DEFAULT_GOAL := build
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BUILD_VAR_PREFIX := github.com/prometheus/common/version
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BUILD_USER := $(shell id -u -n)@$(shell hostname)
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BUILD_DATE := $(shell date --iso-8601=seconds)
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ifeq (yes,$(shell which git > /dev/null && test -e .git && echo yes))
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BUILD_VERSION := $(shell git describe --tags)
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BUILD_BRANCH := $(shell git rev-parse --abbrev-ref HEAD)
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BUILD_REVISION := $(shell git rev-parse --short HEAD)
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else
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BUILD_VERSION := unknown
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BUILD_BRANCH := unknown
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BUILD_REVISION := unknown
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endif
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GO_LDFLAGS_VARS := -X $(BUILD_VAR_PREFIX).Version=$(BUILD_VERSION) \
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	-X $(BUILD_VAR_PREFIX).Branch=$(BUILD_BRANCH) \
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	-X $(BUILD_VAR_PREFIX).Revision=$(BUILD_REVISION) \
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	-X $(BUILD_VAR_PREFIX).BuildUser=$(BUILD_USER) \
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	-X $(BUILD_VAR_PREFIX).BuildDate=$(BUILD_DATE)
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CLANG_FORMAT_FILES = ${wildcard examples/*.c examples/*.h benchmark/probes/*.c benchmark/probes/*.h}
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# * cachestat fails to attach in newer kernels (see code)
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# * kfree_skb doesn't load in ci, possibly due to older verifier
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# * llcstat requires real hardware to attach perf events, which is not present in ci
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# * pci doesn't load in ci, possibly due to older verifier
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# * unix-socket-backlog requires a newer kernel than we have in ci
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CONFIGS_TO_IGNORE_IN_CHECK := cachestat kfree_skb llcstat pci unix-socket-backlog
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CONFIGS_TO_CHECK := $(filter-out $(CONFIGS_TO_IGNORE_IN_CHECK), ${patsubst examples/%.yaml, %, ${wildcard examples/*.yaml}})
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export CGO_LDFLAGS := -l bpf
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include Makefile.libbpf
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GO_TEST_ARGS = -v
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# On aarch64 it's unavailable: FATAL: ThreadSanitizer: unsupported VMA range
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ifneq ($(shell uname -m),aarch64)
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GO_TEST_ARGS += -race
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endif
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.PHONY: lint
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lint:
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	go mod verify
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	golangci-lint run ./...
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.PHONY: jsonschema
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jsonschema:
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	./scripts/jsonschema.sh
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.PHONY: clang-format-check
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clang-format-check:
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	./scripts/clang-format-check.sh $(CLANG_FORMAT_FILES)
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.PHONY: test
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test: $(LIBBPF_DEPS)
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	go test -ldflags='-extldflags "-static"' $(GO_TEST_ARGS) ./...
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.PHONY: test-privileged
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test-privileged:
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	sudo go test $(GO_TEST_ARGS) ./cgroup
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.PHONY: config-check
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config-check:
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	sudo ./ebpf_exporter --capabilities.keep=none --config.check --config.strict --config.dir=examples --config.names=$(shell echo $(CONFIGS_TO_CHECK) | tr ' ' ',')
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.PHONY: build
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build: build-static
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.PHONY: build-static
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build-static:
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	$(MAKE) build-binary GO_LDFLAGS='-extldflags "-static"'
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.PHONY: build-dynamic
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build-dynamic:
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	$(MAKE) build-binary
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.PHONY: build-binary
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build-binary: $(LIBBPF_DEPS)
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	go build -o ebpf_exporter -v -ldflags="$(GO_LDFLAGS) $(GO_LDFLAGS_VARS)" ./cmd/ebpf_exporter
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.PHONY: syscalls
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syscalls:
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	go run ./scripts/mksyscalls --strace.version v6.4
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