Makefile

# VERSION defines the project version for the bundle.
# Update this value when you upgrade the version of your project.
# To re-generate a bundle for another specific version without changing the standard setup, you can:
# - use the VERSION as arg of the bundle target (e.g make bundle VERSION=0.0.2)
# - use environment variables to overwrite this value (e.g export VERSION=0.0.2)
VERSION ?= 0.0.1

# CHANNELS define the bundle channels used in the bundle.
# Add a new line here if you would like to change its default config. (E.g CHANNELS = "candidate,fast,stable")
# To re-generate a bundle for other specific channels without changing the standard setup, you can:
# - use the CHANNELS as arg of the bundle target (e.g make bundle CHANNELS=candidate,fast,stable)
# - use environment variables to overwrite this value (e.g export CHANNELS="candidate,fast,stable")
ifneq ($(origin CHANNELS), undefined)
BUNDLE_CHANNELS := --channels=$(CHANNELS)
endif

# DEFAULT_CHANNEL defines the default channel used in the bundle.
# Add a new line here if you would like to change its default config. (E.g DEFAULT_CHANNEL = "stable")
# To re-generate a bundle for any other default channel without changing the default setup, you can:
# - use the DEFAULT_CHANNEL as arg of the bundle target (e.g make bundle DEFAULT_CHANNEL=stable)
# - use environment variables to overwrite this value (e.g export DEFAULT_CHANNEL="stable")
ifneq ($(origin DEFAULT_CHANNEL), undefined)
BUNDLE_DEFAULT_CHANNEL := --default-channel=$(DEFAULT_CHANNEL)
endif
BUNDLE_METADATA_OPTS ?= $(BUNDLE_CHANNELS) $(BUNDLE_DEFAULT_CHANNEL)

# IMAGE_TAG_BASE defines the docker.io namespace and part of the image name for remote images.
# This variable is used to construct full image tags for bundle and catalog images.
#
# For example, running 'make bundle-build bundle-push catalog-build catalog-push' will build and push both
# openstack.org/watcher-operator-bundle:$VERSION and openstack.org/watcher-operator-catalog:$VERSION.
IMAGE_TAG_BASE ?= quay.io/$(USER)/watcher-operator

# BUNDLE_IMG defines the image:tag used for the bundle.
# You can use it as an arg. (E.g make bundle-build BUNDLE_IMG=<some-registry>/<project-name-bundle>:<tag>)
BUNDLE_IMG ?= $(IMAGE_TAG_BASE)-bundle:v$(VERSION)

# BUNDLE_GEN_FLAGS are the flags passed to the operator-sdk generate bundle command
BUNDLE_GEN_FLAGS ?= -q --overwrite --version $(VERSION) $(BUNDLE_METADATA_OPTS)

# USE_IMAGE_DIGESTS defines if images are resolved via tags or digests
# You can enable this value if you would like to use SHA Based Digests
# To enable set flag to true
USE_IMAGE_DIGESTS ?= false
ifeq ($(USE_IMAGE_DIGESTS), true)
	BUNDLE_GEN_FLAGS += --use-image-digests
endif

# Set the Operator SDK version to use. By default, what is installed on the system is used.
# This is useful for CI or a project to utilize a specific version of the operator-sdk toolkit.
OPERATOR_SDK_VERSION ?= v1.31.0

# Image URL to use all building/pushing image targets
DEFAULT_IMG ?= quay.io/openstack-k8s-operators/watcher-operator:latest
IMG ?= $(DEFAULT_IMG)
# ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
ENVTEST_K8S_VERSION = 1.29

# Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
ifeq (,$(shell go env GOBIN))
GOBIN=$(shell go env GOPATH)/bin
else
GOBIN=$(shell go env GOBIN)
endif

# Setting SHELL to bash allows bash commands to be executed by recipes.
# Options are set to exit when a recipe line exits non-zero or a piped command fails.
SHELL = /usr/bin/env bash -o pipefail
.SHELLFLAGS = -ec

GOTOOLCHAIN_VERSION ?= go1.21.0

.PHONY: all
all: build

##@ General

# The help target prints out all targets with their descriptions organized
# beneath their categories. The categories are represented by '##@' and the
# target descriptions by '##'. The awk commands is responsible for reading the
# entire set of makefiles included in this invocation, looking for lines of the
# file as xyz: ## something, and then pretty-format the target and help. Then,
# if there's a line with ##@ something, that gets pretty-printed as a category.
# More info on the usage of ANSI control characters for terminal formatting:
# https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters
# More info on the awk command:
# http://linuxcommand.org/lc3_adv_awk.php

.PHONY: help
help: ## Display this help.
	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)

# PLATFORMS defines the target platforms for  the manager image be build to provide support to multiple
# architectures. (i.e. make docker-buildx IMG=myregistry/mypoperator:0.0.1). To use this option you need to:
# - able to use docker buildx . More info: https://docs.docker.com/build/buildx/
# - have enable BuildKit, More info: https://docs.docker.com/develop/develop-images/build_enhancements/
# - be able to push the image for your registry (i.e. if you do not inform a valid value via IMG=<myregistry/image:<tag>> than the export will fail)
# To properly provided solutions that supports more than one platform you should use this option.
PLATFORMS ?= linux/arm64,linux/amd64,linux/s390x,linux/ppc64le
.PHONY: docker-buildx
docker-buildx: ## Build and push docker image for the manager for cross-platform support
	# copy existing Dockerfile and insert --platform=${BUILDPLATFORM} into Dockerfile.cross, and preserve the original Dockerfile
	sed -e '1 s/\(^FROM\)/FROM --platform=\$$\{BUILDPLATFORM\}/; t' -e ' 1,// s//FROM --platform=\$$\{BUILDPLATFORM\}/' Dockerfile > Dockerfile.cross
	- docker buildx create --name project-v3-builder
	docker buildx use project-v3-builder
	- docker buildx build --push --platform=$(PLATFORMS) --tag ${IMG} -f Dockerfile.cross
	- docker buildx rm project-v3-builder
	rm Dockerfile.cross

##@ Development

.PHONY: manifests
manifests: gowork controller-gen ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefinition objects.
	$(CONTROLLER_GEN) rbac:roleName=manager-role crd webhook paths="./..." output:crd:artifacts:config=config/crd/bases && \
 	rm -f api/bases/* && cp -a config/crd/bases api/

.PHONY: generate
generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."

.PHONY: fmt
fmt: ## Run go fmt against code.
	go fmt ./...

.PHONY: vet
vet: gowork ## Run go vet against code.
	go vet ./...
	go vet ./api/...


.PHONY: tidy
tidy: ## Run go mod tidy on every mod file in the repo
	go mod tidy
	cd ./api && go mod tidy

.PHONY: golangci-lint
golangci-lint:
	# NOTE this will install golangci-lint in to local bin dir
	test -s $(LOCALBIN)/golangci-lint || curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.51.2
	$(LOCALBIN)/golangci-lint run --fix

PROCS?=$(shell expr $(shell nproc --ignore 2) / 2)
PROC_CMD = --procs ${PROCS}

.PHONY: test
test: manifests generate fmt vet envtest ginkgo ## Run tests.
	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" $(GINKGO) --trace --cover --coverpkg=../../pkg/watcher,../../controllers,../../api/v1beta1 --coverprofile cover.out --covermode=atomic ${PROC_CMD} $(GINKGO_ARGS) ./tests/...


##@ Build

.PHONY: build
build: generate fmt vet ## Build manager binary.
	go build -o bin/manager main.go

.PHONY: run
run: export METRICS_PORT?=24604
run: export HEALTH_PORT?=24605
run: export ENABLE_WEBHOOKS?=false
run: manifests generate fmt vet ## Run a controller from your host.
	go run ./main.go -metrics-bind-address ":$(METRICS_PORT)" -health-probe-bind-address ":$(HEALTH_PORT)"


# Extra vars which will be passed to the Docker-build
DOCKER_BUILD_ARGS ?=

.PHONY: docker-build
docker-build: ## Build docker image with the manager.
	podman build -t ${IMG} . ${DOCKER_BUILD_ARGS}

.PHONY: docker-push
docker-push: ## Push docker image with the manager.
	podman push ${IMG}

##@ Deployment

ifndef ignore-not-found
  ignore-not-found = false
endif

.PHONY: install
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
	$(KUSTOMIZE) build config/crd | kubectl apply -f -

.PHONY: uninstall
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
	$(KUSTOMIZE) build config/crd | kubectl delete --ignore-not-found=$(ignore-not-found) -f -

.PHONY: deploy
deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.
	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
	$(KUSTOMIZE) build config/default | kubectl apply -f -

.PHONY: undeploy
undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
	$(KUSTOMIZE) build config/default | kubectl delete --ignore-not-found=$(ignore-not-found) -f -

##@ Build Dependencies

## Location to install dependencies to
LOCALBIN ?= $(shell pwd)/bin
$(LOCALBIN):
	mkdir -p $(LOCALBIN)

## Tool Binaries
KUSTOMIZE ?= $(LOCALBIN)/kustomize
CONTROLLER_GEN ?= $(LOCALBIN)/controller-gen
ENVTEST ?= $(LOCALBIN)/setup-envtest
GINKGO ?= $(LOCALBIN)/ginkgo

## Tool Versions
KUSTOMIZE_VERSION ?= v3.8.7
CONTROLLER_TOOLS_VERSION ?= v0.14.0

KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
.PHONY: kustomize
kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
$(KUSTOMIZE): $(LOCALBIN)
	@if test -x $(LOCALBIN)/kustomize && ! $(LOCALBIN)/kustomize version | grep -q $(KUSTOMIZE_VERSION); then \
		echo "$(LOCALBIN)/kustomize version is not expected $(KUSTOMIZE_VERSION). Removing it before installing."; \
		rm -rf $(LOCALBIN)/kustomize; \
	fi
	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }

.PHONY: controller-gen
controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
$(CONTROLLER_GEN): $(LOCALBIN)
	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)

.PHONY: envtest
envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
$(ENVTEST): $(LOCALBIN)
	test -s $(LOCALBIN)/setup-envtest || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-runtime/tools/setup-envtest@c7e1dc9


.PHONY: ginkgo
ginkgo: $(GINKGO) ## Download ginkgo locally if necessary.
$(GINKGO): $(LOCALBIN)
	test -s $(LOCALBIN)/ginkgo || GOBIN=$(LOCALBIN) go install github.com/onsi/ginkgo/v2/ginkgo


.PHONY: operator-sdk
OPERATOR_SDK ?= $(LOCALBIN)/operator-sdk
operator-sdk: ## Download operator-sdk locally if necessary.
ifeq (,$(wildcard $(OPERATOR_SDK)))
ifeq (, $(shell which operator-sdk 2>/dev/null))
	@{ \
	set -e ;\
	mkdir -p $(dir $(OPERATOR_SDK)) ;\
	OS=$(shell go env GOOS) && ARCH=$(shell go env GOARCH) && \
	curl -sSLo $(OPERATOR_SDK) https://github.com/operator-framework/operator-sdk/releases/download/$(OPERATOR_SDK_VERSION)/operator-sdk_$${OS}_$${ARCH} ;\
	chmod +x $(OPERATOR_SDK) ;\
	}
else
OPERATOR_SDK = $(shell which operator-sdk)
endif
endif

.PHONY: bundle
bundle: manifests kustomize operator-sdk ## Generate bundle manifests and metadata, then validate generated files.
	$(OPERATOR_SDK) generate kustomize manifests -q
	cd config/manager && $(KUSTOMIZE) edit set image controller=$(IMG)
	$(KUSTOMIZE) build config/manifests | $(OPERATOR_SDK) generate bundle $(BUNDLE_GEN_FLAGS)
	$(OPERATOR_SDK) bundle validate ./bundle

.PHONY: bundle-build
bundle-build: ## Build the bundle image.
	podman build -f bundle.Dockerfile -t $(BUNDLE_IMG) .

.PHONY: bundle-push
bundle-push: ## Push the bundle image.
	$(MAKE) docker-push IMG=$(BUNDLE_IMG)

.PHONY: opm
OPM = ./bin/opm
opm: ## Download opm locally if necessary.
ifeq (,$(wildcard $(OPM)))
ifeq (,$(shell which opm 2>/dev/null))
	@{ \
	set -e ;\
	mkdir -p $(dir $(OPM)) ;\
	OS=$(shell go env GOOS) && ARCH=$(shell go env GOARCH) && \
	curl -sSLo $(OPM) https://github.com/operator-framework/operator-registry/releases/download/v1.29.0/$${OS}-$${ARCH}-opm ;\
	chmod +x $(OPM) ;\
	}
else
OPM = $(shell which opm)
endif
endif

# A comma-separated list of bundle images (e.g. make catalog-build BUNDLE_IMGS=example.com/operator-bundle:v0.1.0,example.com/operator-bundle:v0.2.0).
# These images MUST exist in a registry and be pull-able.
BUNDLE_IMGS ?= $(BUNDLE_IMG)

# The image tag given to the resulting catalog image (e.g. make catalog-build CATALOG_IMG=example.com/operator-catalog:v0.2.0).
CATALOG_IMG ?= $(IMAGE_TAG_BASE)-index:v$(VERSION)

# Set CATALOG_BASE_IMG to an existing catalog image tag to add $BUNDLE_IMGS to that image.
ifneq ($(origin CATALOG_BASE_IMG), undefined)
FROM_INDEX_OPT := --from-index $(CATALOG_BASE_IMG)
endif

# Build a catalog image by adding bundle images to an empty catalog using the operator package manager tool, 'opm'.
# This recipe invokes 'opm' in 'semver' bundle add mode. For more information on add modes, see:
# https://github.com/operator-framework/community-operators/blob/7f1438c/docs/packaging-operator.md#updating-your-existing-operator
.PHONY: catalog-build
catalog-build: opm ## Build a catalog image.
	$(OPM) index add --container-tool podman --mode semver --tag $(CATALOG_IMG) --bundles $(BUNDLE_IMGS) $(FROM_INDEX_OPT)

# Push the catalog image.
.PHONY: catalog-push
catalog-push: ## Push a catalog image.
	$(MAKE) docker-push IMG=$(CATALOG_IMG)

# CI tools repo for running tests
CI_TOOLS_REPO := https://github.com/openstack-k8s-operators/openstack-k8s-operators-ci
CI_TOOLS_REPO_DIR = $(shell pwd)/CI_TOOLS_REPO
.PHONY: get-ci-tools
get-ci-tools:
	if [ -d  "$(CI_TOOLS_REPO_DIR)" ]; then \
		echo "Ci tools exists"; \
		pushd "$(CI_TOOLS_REPO_DIR)"; \
		git pull --rebase; \
		popd; \
	else \
		git clone $(CI_TOOLS_REPO) "$(CI_TOOLS_REPO_DIR)"; \
	fi

# Run go fmt against code
gofmt: get-ci-tools
	$(CI_TOOLS_REPO_DIR)/test-runner/gofmt.sh
	$(CI_TOOLS_REPO_DIR)/test-runner/gofmt.sh ./api

# Run go vet against code
govet: get-ci-tools
	GOWORK=off $(CI_TOOLS_REPO_DIR)/test-runner/govet.sh
	GOWORK=off $(CI_TOOLS_REPO_DIR)/test-runner/govet.sh ./api

# Run go test against code
gotest: test

# Run golangci-lint test against code
golangci: get-ci-tools
	GOWORK=off $(CI_TOOLS_REPO_DIR)/test-runner/golangci.sh
	GOWORK=off $(CI_TOOLS_REPO_DIR)/test-runner/golangci.sh ./api

# Run go lint against code
golint: get-ci-tools
	export GOWORK=off && PATH=$(GOBIN):$(PATH); $(CI_TOOLS_REPO_DIR)/test-runner/golint.sh
	export GOWORK=off && PATH=$(GOBIN):$(PATH); $(CI_TOOLS_REPO_DIR)/test-runner/golint.sh ./api

.PHONY: operator-lint
operator-lint: $(LOCALBIN) gowork ## Runs operator-lint
	GOBIN=$(LOCALBIN) go install github.com/gibizer/operator-lint@v0.5.0
	go vet -vettool=$(LOCALBIN)/operator-lint ./... ./api/...

.PHONY: gowork
gowork: ## Generate go.work file
	test -f go.work || GOTOOLCHAIN=$(GOTOOLCHAIN_VERSION) go work init
	go work use .
	go work use ./api
	go work sync

OPERATOR_NAMESPACE ?= openstack-operators

update-watcher-csv:
	@echo "Scaling watcher-controller-manager to 0 in CSV"
	$(eval csv=$(shell oc get csv -n openstack-operators -o name | grep watcher))
	oc patch -n $(OPERATOR_NAMESPACE) $(csv) --type json -p='[{"op": "replace", "path": "/spec/install/spec/deployments/0/spec/replicas", "value": 0}]'
	@echo "Removing olm installed webhooks from CSV"
	$(eval has_webhooks=$(shell oc get -o json $(csv)  | jq ".spec.webhookdefinitions"))
	if [ "$(has_webhooks)" != "null" ]; then \
	    oc patch -n $(OPERATOR_NAMESPACE) $(csv) --type json -p='[{"op": "remove", "path": "/spec/webhookdefinitions"}]'; \
	fi

CATALOG_IMAGE ?= quay.io/openstack-k8s-operators/watcher-operator-index:latest

.PHONY: watcher
watcher: export CATALOG_IMG=${CATALOG_IMAGE}
watcher: ## Install watcher operator via olm
	bash ci/olm.sh
	oc apply -f ci/olm.yaml
	timeout 300s bash -c "while ! (oc get csv -n openstack-operators -l operators.coreos.com/watcher-operator.openstack-operators -o jsonpath='{.items[*].status.phase}' | grep Succeeded); do sleep 1; done"

.PHONY: watcher_deploy
watcher_deploy: ## Deploy watcher service
	oc apply -f config/samples/watcher_v1beta1_watcher.yaml

.PHONY: watcher_deploy_cleanup
watcher_deploy_cleanup: ## Undeploy watcher service
	oc delete -f config/samples/watcher_v1beta1_watcher.yaml

.PHONY: watcher_cleanup
watcher_cleanup: export CATALOG_IMG=${CATALOG_IMAGE}
watcher_cleanup: ## Cleaning watcher operator via olm
	bash ci/olm.sh
	oc delete -f ci/olm.yaml

KUTTL_SUITE ?= default
KUTTL_NAMESPACE ?= watcher-kuttl-$(KUTTL_SUITE)
KUTTL_SUITE_DIR ?= tests/kuttl/test-suites/$(KUTTL_SUITE)

.PHONY: kuttl-test-prep
kuttl-test-prep:
	oc apply -k $(KUTTL_SUITE_DIR)/deps/ --timeout=120s
	oc wait -n $(KUTTL_NAMESPACE) openstackcontrolplane openstack --for condition=Ready --timeout=300s

.PHONY: kuttl-test-run
kuttl-test-run:
	oc kuttl test --v 1 --start-kind=false --config $(KUTTL_SUITE_DIR)/config.yaml

.PHONY: kuttl-test
kuttl-test: kuttl-test-prep kuttl-test-run

.PHONY: kuttl-test-cleanup
kuttl-test-cleanup:
	# only cleanup if the $(KUTTL_NAMESPACE) exists
	$(eval namespace_exists=$(shell oc get namespace $(KUTTL_NAMESPACE) --ignore-not-found -o name))
	# We need to order the deletion. Simply deleting the namespace will
	# result in errors in mariadb- and keystone-operator and then
	# finalizer removal get stuck blocking the namespace deletion.
	if [ "${namespace_exists}" != "" ]; then \
		oc delete --wait=true --all=true -n $(KUTTL_NAMESPACE) --timeout=120s Watcher; \
		oc delete --wait=true --all=true -n $(KUTTL_NAMESPACE) --timeout=120s OpenStackControlPlane; \
		oc delete --wait=true namespace $(KUTTL_NAMESPACE); \
		oc get pv |grep "Released.*crc-csi-hostpath-provisioner"|awk '{print $$1}'|xargs -I {} oc delete pv {} ;\
	else \
		echo "Namespce already cleaned up. Nothing to do"; \
	fi

CRD_SCHEMA_CHECKER_VERSION ?= release-4.16

BRANCH=main

PHONY: crd-schema-check
crd-schema-check: manifests
	INSTALL_DIR=$(LOCALBIN) CRD_SCHEMA_CHECKER_VERSION=$(CRD_SCHEMA_CHECKER_VERSION) hack/build-crd-schema-checker.sh
	INSTALL_DIR=$(LOCALBIN) BASE_REF="$${PULL_BASE_SHA:-$(BRANCH)}" hack/crd-schema-checker.sh

# Used for webhook testing
# The configure_local_webhook.sh script below will remove any OLM webhooks
# for the operator and also scale its deployment replicas down to 0 so that
# the operator can run locally.
# We will attempt to catch SIGINT/SIGTERM and clean up the local webhooks,
# but it may be necessary to manually run ./hack/clean_local_webhook.sh
# before deploying with OLM again for other untrappable signals.
SKIP_CERT ?=false
.PHONY: run-with-webhook
run-with-webhook: export METRICS_PORT?=33080
run-with-webhook: export HEALTH_PORT?=33081
run-with-webhook: manifests generate fmt vet ## Run a controller from your host.
	/bin/bash hack/clean_local_webhook.sh
	/bin/bash hack/run_with_local_webhook.sh

##@ Docs

.PHONY: docs-dependencies
docs-dependencies: .bundle ## Convert markdown docs to ascii docs
	bundle exec kramdoc README.md -o docs/main.adoc

.PHONY: .bundle
.bundle:
	if ! type bundle; then \
		echo "Bundler not found. On Linux run 'sudo dnf install /usr/bin/bundle' to install it."; \
		exit 1; \
	fi

	bundle config set --local path 'local/bundle'; bundle install

.PHONY: docs
docs: docs-dependencies ## Build docs
	cd docs; $(MAKE) html

.PHONY: docs-preview
docs-preview: docs
	cd docs; $(MAKE) open-html

.PHONY: docs-watch
docs-watch: docs-preview
	cd docs; $(MAKE) watch-html

.PHONY: docs-clean
docs-clean:
	rm -r docs_build