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Add RED metrics
- this PR adds metrics via Prometheus for instrumentation and to move towards using HPAv2 / custom metrics in Kubernetes. Signed-off-by: Alex Ellis <alexellis2@gmail.com>
This commit is contained in:
Alex Ellis
223
watchdog/vendor/github.com/prometheus/procfs/Makefile.common
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223
watchdog/vendor/github.com/prometheus/procfs/Makefile.common
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# Copyright 2018 The Prometheus Authors
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# A common Makefile that includes rules to be reused in different prometheus projects.
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# !!! Open PRs only against the prometheus/prometheus/Makefile.common repository!
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# Example usage :
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# Create the main Makefile in the root project directory.
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# include Makefile.common
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# customTarget:
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# @echo ">> Running customTarget"
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#
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# Ensure GOBIN is not set during build so that promu is installed to the correct path
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unexport GOBIN
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GO ?= go
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GOFMT ?= $(GO)fmt
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FIRST_GOPATH := $(firstword $(subst :, ,$(shell $(GO) env GOPATH)))
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GOOPTS ?=
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GO_VERSION ?= $(shell $(GO) version)
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GO_VERSION_NUMBER ?= $(word 3, $(GO_VERSION))
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PRE_GO_111 ?= $(shell echo $(GO_VERSION_NUMBER) | grep -E 'go1\.(10|[0-9])\.')
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unexport GOVENDOR
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ifeq (, $(PRE_GO_111))
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ifneq (,$(wildcard go.mod))
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# Enforce Go modules support just in case the directory is inside GOPATH (and for Travis CI).
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GO111MODULE := on
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ifneq (,$(wildcard vendor))
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# Always use the local vendor/ directory to satisfy the dependencies.
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GOOPTS := $(GOOPTS) -mod=vendor
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endif
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endif
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else
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ifneq (,$(wildcard go.mod))
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ifneq (,$(wildcard vendor))
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$(warning This repository requires Go >= 1.11 because of Go modules)
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$(warning Some recipes may not work as expected as the current Go runtime is '$(GO_VERSION_NUMBER)')
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endif
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else
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# This repository isn't using Go modules (yet).
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GOVENDOR := $(FIRST_GOPATH)/bin/govendor
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endif
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unexport GO111MODULE
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endif
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PROMU := $(FIRST_GOPATH)/bin/promu
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STATICCHECK := $(FIRST_GOPATH)/bin/staticcheck
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pkgs = ./...
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GO_VERSION ?= $(shell $(GO) version)
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GO_BUILD_PLATFORM ?= $(subst /,-,$(lastword $(GO_VERSION)))
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PROMU_VERSION ?= 0.2.0
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PROMU_URL := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
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PREFIX ?= $(shell pwd)
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BIN_DIR ?= $(shell pwd)
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DOCKER_IMAGE_TAG ?= $(subst /,-,$(shell git rev-parse --abbrev-ref HEAD))
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DOCKER_REPO ?= prom
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.PHONY: all
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all: precheck style staticcheck unused build test
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# This rule is used to forward a target like "build" to "common-build". This
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# allows a new "build" target to be defined in a Makefile which includes this
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# one and override "common-build" without override warnings.
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%: common-% ;
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.PHONY: common-style
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common-style:
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@echo ">> checking code style"
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@fmtRes=$$($(GOFMT) -d $$(find . -path ./vendor -prune -o -name '*.go' -print)); \
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if [ -n "$${fmtRes}" ]; then \
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echo "gofmt checking failed!"; echo "$${fmtRes}"; echo; \
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echo "Please ensure you are using $$($(GO) version) for formatting code."; \
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exit 1; \
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fi
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.PHONY: common-check_license
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common-check_license:
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@echo ">> checking license header"
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@licRes=$$(for file in $$(find . -type f -iname '*.go' ! -path './vendor/*') ; do \
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awk 'NR<=3' $$file | grep -Eq "(Copyright|generated|GENERATED)" || echo $$file; \
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done); \
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if [ -n "$${licRes}" ]; then \
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echo "license header checking failed:"; echo "$${licRes}"; \
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exit 1; \
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fi
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.PHONY: common-test-short
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common-test-short:
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@echo ">> running short tests"
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GO111MODULE=$(GO111MODULE) $(GO) test -short $(GOOPTS) $(pkgs)
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.PHONY: common-test
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common-test:
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@echo ">> running all tests"
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GO111MODULE=$(GO111MODULE) $(GO) test -race $(GOOPTS) $(pkgs)
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.PHONY: common-format
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common-format:
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@echo ">> formatting code"
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GO111MODULE=$(GO111MODULE) $(GO) fmt $(GOOPTS) $(pkgs)
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.PHONY: common-vet
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common-vet:
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@echo ">> vetting code"
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GO111MODULE=$(GO111MODULE) $(GO) vet $(GOOPTS) $(pkgs)
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.PHONY: common-staticcheck
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common-staticcheck: $(STATICCHECK)
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@echo ">> running staticcheck"
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ifdef GO111MODULE
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GO111MODULE=$(GO111MODULE) $(STATICCHECK) -ignore "$(STATICCHECK_IGNORE)" -checks "SA*" $(pkgs)
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else
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$(STATICCHECK) -ignore "$(STATICCHECK_IGNORE)" $(pkgs)
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endif
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.PHONY: common-unused
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common-unused: $(GOVENDOR)
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ifdef GOVENDOR
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@echo ">> running check for unused packages"
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@$(GOVENDOR) list +unused | grep . && exit 1 || echo 'No unused packages'
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else
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ifdef GO111MODULE
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@echo ">> running check for unused/missing packages in go.mod"
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GO111MODULE=$(GO111MODULE) $(GO) mod tidy
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@git diff --exit-code -- go.sum go.mod
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ifneq (,$(wildcard vendor))
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@echo ">> running check for unused packages in vendor/"
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GO111MODULE=$(GO111MODULE) $(GO) mod vendor
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@git diff --exit-code -- go.sum go.mod vendor/
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endif
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endif
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endif
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.PHONY: common-build
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common-build: promu
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@echo ">> building binaries"
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GO111MODULE=$(GO111MODULE) $(PROMU) build --prefix $(PREFIX)
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.PHONY: common-tarball
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common-tarball: promu
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@echo ">> building release tarball"
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$(PROMU) tarball --prefix $(PREFIX) $(BIN_DIR)
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.PHONY: common-docker
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common-docker:
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docker build -t "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" .
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.PHONY: common-docker-publish
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common-docker-publish:
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docker push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)"
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.PHONY: common-docker-tag-latest
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common-docker-tag-latest:
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docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):latest"
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.PHONY: promu
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promu: $(PROMU)
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$(PROMU):
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curl -s -L $(PROMU_URL) | tar -xvz -C /tmp
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mkdir -v -p $(FIRST_GOPATH)/bin
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cp -v /tmp/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM)/promu $(PROMU)
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.PHONY: proto
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proto:
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@echo ">> generating code from proto files"
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@./scripts/genproto.sh
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.PHONY: $(STATICCHECK)
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$(STATICCHECK):
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ifdef GO111MODULE
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# Get staticcheck from a temporary directory to avoid modifying the local go.{mod,sum}.
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# See https://github.com/golang/go/issues/27643.
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# For now, we are using the next branch of staticcheck because master isn't compatible yet with Go modules.
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tmpModule=$$(mktemp -d 2>&1) && \
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mkdir -p $${tmpModule}/staticcheck && \
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cd "$${tmpModule}"/staticcheck && \
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GO111MODULE=on $(GO) mod init example.com/staticcheck && \
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GO111MODULE=on GOOS= GOARCH= $(GO) get -u honnef.co/go/tools/cmd/staticcheck@next && \
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rm -rf $${tmpModule};
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else
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GOOS= GOARCH= GO111MODULE=off $(GO) get -u honnef.co/go/tools/cmd/staticcheck
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endif
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ifdef GOVENDOR
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.PHONY: $(GOVENDOR)
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$(GOVENDOR):
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GOOS= GOARCH= $(GO) get -u github.com/kardianos/govendor
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endif
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.PHONY: precheck
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precheck::
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define PRECHECK_COMMAND_template =
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precheck:: $(1)_precheck
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PRECHECK_COMMAND_$(1) ?= $(1) $$(strip $$(PRECHECK_OPTIONS_$(1)))
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.PHONY: $(1)_precheck
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$(1)_precheck:
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@if ! $$(PRECHECK_COMMAND_$(1)) 1>/dev/null 2>&1; then \
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echo "Execution of '$$(PRECHECK_COMMAND_$(1))' command failed. Is $(1) installed?"; \
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exit 1; \
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fi
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endef
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