SHELL=/bin/bash

.PHONY: help
.DEFAULT_GOAL := build
.ONESHELL:

SUFFIX=$(GOOS)_$(GOARCH)
COMMIT_HASH=$(shell git rev-parse HEAD)
GIT_BRANCH=$(shell git branch --show-current | tr '[:upper:]' '[:lower:]')
GIT_VERSION=$(shell git branch --show-current | tr '[:upper:]' '[:lower:]')
BUILD_TIMESTAMP=$(shell date +%s)
export VER?=0.0.0

help: ## Print this help message.
	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)

build-debug:  ## Build for debugging.
	export CGO_ENABLED=1
	export GCLFAGS='-gcflags="all=-N -l"'
	${MAKE} build-base

build: ## Build.
	export CGO_ENABLED=0
	export LDFLAGS_EXT='-extldflags=-static -s -w'
	${MAKE} build-base

build-race: ## Build with -race flag.
	export CGO_ENABLED=1
	export GCLFAGS='-race'
	export LDFLAGS_EXT='-extldflags=-static -s -w'
	${MAKE} build-base

build-base: ## Build binary (select the platform via GOOS / GOARCH env variables).
	go build ${GCLFAGS} -ldflags="${LDFLAGS_EXT} \
					-X 'github.com/kubeshark/kubeshark/misc.GitCommitHash=$(COMMIT_HASH)' \
					-X 'github.com/kubeshark/kubeshark/misc.Branch=$(GIT_BRANCH)' \
					-X 'github.com/kubeshark/kubeshark/misc.BuildTimestamp=$(BUILD_TIMESTAMP)' \
					-X 'github.com/kubeshark/kubeshark/misc.Platform=$(SUFFIX)' \
					-X 'github.com/kubeshark/kubeshark/misc.Ver=$(VER)'" \
					-o bin/kubeshark_$(SUFFIX) kubeshark.go && \
	cd bin && shasum -a 256 kubeshark_${SUFFIX} > kubeshark_${SUFFIX}.sha256

build-brew: ## Build binary for brew/core CI
	go build ${GCLFAGS} -ldflags="${LDFLAGS_EXT} \
					-X 'github.com/kubeshark/kubeshark/misc.GitCommitHash=$(COMMIT_HASH)' \
					-X 'github.com/kubeshark/kubeshark/misc.Branch=$(GIT_BRANCH)' \
					-X 'github.com/kubeshark/kubeshark/misc.BuildTimestamp=$(BUILD_TIMESTAMP)' \
					-X 'github.com/kubeshark/kubeshark/misc.Platform=$(SUFFIX)' \
					-X 'github.com/kubeshark/kubeshark/misc.Ver=$(VER)'" \
					-o kubeshark kubeshark.go

build-windows-amd64:
	$(MAKE) build GOOS=windows GOARCH=amd64 && \
	mv ./bin/kubeshark_windows_amd64 ./bin/kubeshark.exe && \
	rm bin/kubeshark_windows_amd64.sha256 && \
	cd bin && shasum -a 256 kubeshark.exe > kubeshark.exe.sha256

build-all: ## Build for all supported platforms.
	export CGO_ENABLED=0
	echo "Compiling for every OS and Platform" && \
	mkdir -p bin && sed s/_VER_/$(VER)/g RELEASE.md.TEMPLATE >  bin/README.md && \
	$(MAKE) build GOOS=linux GOARCH=amd64 && \
	$(MAKE) build GOOS=linux GOARCH=arm64 && \
	$(MAKE) build GOOS=darwin GOARCH=amd64 && \
	$(MAKE) build GOOS=darwin GOARCH=arm64 && \
	$(MAKE) build-windows-amd64 && \
	echo "---------" && \
	find ./bin -ls

clean: ## Clean all build artifacts.
	go clean
	rm -rf ./bin/*

test: ## Run cli tests.
	@go test ./... -coverpkg=./... -race -coverprofile=coverage.out -covermode=atomic

lint: ## Lint the source code.
	golangci-lint run

kubectl-view-all-resources: ## This command outputs all Kubernetes resources using YAML format and pipes it to VS Code
	./kubectl.sh view-all-resources

kubectl-view-kubeshark-resources: ## This command outputs all Kubernetes resources in "kubeshark" namespace using YAML format and pipes it to VS Code
	./kubectl.sh view-kubeshark-resources

generate-helm-values: ## Generate the Helm values from config.yaml
	mv ~/.kubeshark/config.yaml ~/.kubeshark/config.yaml.old; bin/kubeshark__ config>helm-chart/values.yaml;mv ~/.kubeshark/config.yaml.old ~/.kubeshark/config.yaml
	sed -i 's/^license:.*/license: ""/' helm-chart/values.yaml && sed -i '1i # find a detailed description here: https://github.com/kubeshark/kubeshark/blob/master/helm-chart/README.md' helm-chart/values.yaml 

generate-manifests: ## Generate the manifests from the Helm chart using default configuration
	helm template kubeshark -n default ./helm-chart > ./manifests/complete.yaml

logs-sniffer:
	export LOGS_POD_PREFIX=kubeshark-worker-
	export LOGS_CONTAINER='-c sniffer'
	export LOGS_FOLLOW=
	${MAKE} logs

logs-sniffer-follow:
	export LOGS_POD_PREFIX=kubeshark-worker-
	export LOGS_CONTAINER='-c sniffer'
	export LOGS_FOLLOW=--follow
	${MAKE} logs

logs-tracer:
	export LOGS_POD_PREFIX=kubeshark-worker-
	export LOGS_CONTAINER='-c tracer'
	export LOGS_FOLLOW=
	${MAKE} logs

logs-tracer-follow:
	export LOGS_POD_PREFIX=kubeshark-worker-
	export LOGS_CONTAINER='-c tracer'
	export LOGS_FOLLOW=--follow
	${MAKE} logs

logs-worker: logs-sniffer

logs-worker-follow: logs-sniffer-follow

logs-hub:
	export LOGS_POD_PREFIX=kubeshark-hub
	export LOGS_FOLLOW=
	${MAKE} logs

logs-hub-follow:
	export LOGS_POD_PREFIX=kubeshark-hub
	export LOGS_FOLLOW=--follow
	${MAKE} logs

logs-front:
	export LOGS_POD_PREFIX=kubeshark-front
	export LOGS_FOLLOW=
	${MAKE} logs

logs-front-follow:
	export LOGS_POD_PREFIX=kubeshark-front
	export LOGS_FOLLOW=--follow
	${MAKE} logs

logs:
	kubectl logs $$(kubectl get pods | awk '$$1 ~ /^$(LOGS_POD_PREFIX)/' | awk 'END {print $$1}') $(LOGS_CONTAINER) $(LOGS_FOLLOW)

ssh-node:
	kubectl ssh node $$(kubectl get nodes | awk 'END {print $$1}')

exec-worker:
	export EXEC_POD_PREFIX=kubeshark-worker-
	${MAKE} exec

exec-hub:
	export EXEC_POD_PREFIX=kubeshark-hub
	${MAKE} exec

exec-front:
	export EXEC_POD_PREFIX=kubeshark-front
	${MAKE} exec

exec:
	kubectl exec --stdin --tty $$(kubectl get pods | awk '$$1 ~ /^$(EXEC_POD_PREFIX)/' | awk 'END {print $$1}') -- /bin/sh

helm-install:
	cd helm-chart && helm install kubeshark . --set tap.docker.tag=$(TAG) && cd ..

helm-install-debug:
	cd helm-chart && helm install kubeshark . --set tap.docker.tag=$(TAG) --set tap.debug=true && cd ..

helm-install-profile:
	cd helm-chart && helm install kubeshark . --set tap.docker.tag=$(TAG) --set tap.pprof.enabled=true && cd ..

helm-uninstall:
	helm uninstall kubeshark

proxy:
	kubeshark proxy

port-forward:
	kubectl port-forward $$(kubectl get pods | awk '$$1 ~ /^$(POD_PREFIX)/' | awk 'END {print $$1}') $(SRC_PORT):$(DST_PORT)

release:
	@cd ../worker && git checkout master && git pull && git tag -d v$(VERSION); git tag v$(VERSION) && git push origin --tags
	@cd ../tracer && git checkout master && git pull && git tag -d v$(VERSION); git tag v$(VERSION) && git push origin --tags
	@cd ../hub && git checkout master && git pull && git tag -d v$(VERSION); git tag v$(VERSION) && git push origin --tags
	@cd ../front && git checkout master && git pull && git tag -d v$(VERSION); git tag v$(VERSION) && git push origin --tags
	@cd ../kubeshark && git checkout master && git pull && sed -i "s/^version:.*/version: \"$(shell echo $(VERSION) | sed -E 's/^([0-9]+\.[0-9]+)\..*/\1/')\"/" helm-chart/Chart.yaml && make
	@if [ "$(shell uname)" = "Darwin" ]; then \
		codesign --sign - --force --preserve-metadata=entitlements,requirements,flags,runtime ./bin/kubeshark__; \
	fi
	@make generate-helm-values && make generate-manifests
	@git add -A . && git commit -m ":bookmark: Bump the Helm chart version to $(VERSION)" && git push
	@git tag -d v$(VERSION); git tag v$(VERSION) && git push origin --tags
	@cd helm-chart && rm -r ../../kubeshark.github.io/charts/chart/* && cp -r . ../../kubeshark.github.io/charts/chart
	@cd ../../kubeshark.github.io/ && git add -A . && git commit -m ":sparkles: Update the Helm chart" && git push
	@cd ../kubeshark

release-dry-run:
	@cd ../kubeshark && git checkout master && git pull && sed -i "s/^version:.*/version: \"$(shell echo $(VERSION) | sed -E 's/^([0-9]+\.[0-9]+)\..*/\1/')\"/" helm-chart/Chart.yaml && make && make generate-helm-values && make generate-manifests
	@cd helm-chart && rm -r ../../kubeshark.github.io/charts/chart/* && cp -r . ../../kubeshark.github.io/charts/chart
	@cd ../kubeshark

branch:
	@cd ../worker && git checkout master && git pull && git checkout -b $(name); git push --set-upstream origin $(name)
	@cd ../hub && git checkout master && git pull && git checkout -b $(name); git push --set-upstream origin $(name)
	@cd ../front && git checkout master && git pull && git checkout -b $(name); git push --set-upstream origin $(name)

switch-to-branch:
	@cd ../worker && git checkout $(name)
	@cd ../hub && git checkout $(name)
	@cd ../front && git checkout $(name)