DOCKERHUB_USER=finboxio

GIT_BRANCH := $(shell git rev-parse --abbrev-ref HEAD)
GIT_COMMIT := $(shell git rev-parse HEAD)
GIT_REPO := $(shell git remote -v | grep origin | grep "(fetch)" | awk '{ print $$2 }')
GIT_DIRTY := $(shell git status --porcelain | wc -l)

VERSION := $(shell cat package.json | jq '.version' -r)
VERSION_DIRTY := $(shell git log --pretty=format:%h v$(VERSION)..HEAD | wc -l)

BUILD_COMMIT := $(shell if [ "$(GIT_DIRTY)" -gt "0" ]; then echo $(GIT_COMMIT)+dev; else echo $(GIT_COMMIT); fi)
BUILD_VERSION := $(shell if [ "$(VERSION_DIRTY)" -gt "0" ] || [ "$(GIT_DIRTY)" -gt "0" ]; then echo $(VERSION)-dev; else echo $(VERSION); fi)

DEBUG ?= "false"
DEBUG_FLAG := $(shell if [ "$(DEBUG)" == "true" ]; then echo "-debug"; fi)

APPLY_POST_PROCESSORS := $(shell if [ "$(VERSION_DIRTY)" -gt "0" ] || [ "$(GIT_DIRTY)" -gt "0" ]; \
	then echo "del(.[\"post-processors\"] | .. | select(.type? == \"atlas\")) | del(.. | select(length? == 0))"; \
	else echo "."; \
	fi)

version:
	@echo $(BUILD_VERSION) | tr -d '\r' | tr -d '\n' | tr -d ' '

containers: reaper router reporter
	@echo built containers at version $(BUILD_VERSION)

reaper:
	@cd reaper \
		&& docker build -t $(DOCKERHUB_USER)/reaper:$(BUILD_VERSION) . \
		&& docker push $(DOCKERHUB_USER)/reaper:$(BUILD_VERSION)

router:
	@cd router \
		&& docker build -t $(DOCKERHUB_USER)/router:$(BUILD_VERSION) . \
		&& docker push $(DOCKERHUB_USER)/router:$(BUILD_VERSION)

reporter:
	@cd reporter \
		&& docker build -t $(DOCKERHUB_USER)/reporter:$(BUILD_VERSION) . \
		&& docker push $(DOCKERHUB_USER)/reporter:$(BUILD_VERSION)

packer_cache:
	@mkdir ~/.packer_cache &> /dev/null || true

images: image.master image.agent

images.atlas: image.master.atlas image.agent.atlas

image.master: packer_cache containers
	@echo "Building master image from $(GIT_BRANCH):$(GIT_COMMIT) of $(GIT_REPO)"
	@echo "Version $(BUILD_VERSION), Commit $(BUILD_COMMIT)"
	@export PACKER_CACHE_DIR=~/.packer_cache && cat packer/cfk.json \
		| jq '.variables.version="${BUILD_VERSION}" \
		| .variables.branch="${GIT_BRANCH}" \
		| .variables.role="master" \
		| .variables.commit="${BUILD_COMMIT}" \
		| .variables.repository="${GIT_REPO}" \
		| ${APPLY_POST_PROCESSORS}' \
		| packer build -force $(DEBUG_FLAG) -

image.master.aws: packer_cache containers
	@echo "Building master image from $(GIT_BRANCH):$(GIT_COMMIT) of $(GIT_REPO)"
	@echo "Version $(BUILD_VERSION), Commit $(BUILD_COMMIT)"
	@export PACKER_CACHE_DIR=~/.packer_cache && cat packer/cfk.json \
		| jq '.variables.version="${BUILD_VERSION}" \
		| .variables.branch="${GIT_BRANCH}" \
		| .variables.role="master" \
		| .variables.commit="${BUILD_COMMIT}" \
		| .variables.repository="${GIT_REPO}" \
		| ${APPLY_POST_PROCESSORS}' \
		| packer build -only aws -force $(DEBUG_FLAG) -

image.master.vbox: packer_cache containers
	@echo "Building master image from $(GIT_BRANCH):$(GIT_COMMIT) of $(GIT_REPO)"
	@echo "Version $(BUILD_VERSION), Commit $(BUILD_COMMIT)"
	@export PACKER_CACHE_DIR=~/.packer_cache && cat packer/cfk.json \
		| jq '.variables.version="${BUILD_VERSION}" \
		| .variables.branch="${GIT_BRANCH}" \
		| .variables.role="master" \
		| .variables.commit="${BUILD_COMMIT}" \
		| .variables.repository="${GIT_REPO}" \
		| ${APPLY_POST_PROCESSORS}' \
		| packer build -only vbox -force $(DEBUG_FLAG) -

image.master.atlas: containers
	@echo "Pushing master image from $(GIT_BRANCH):$(GIT_COMMIT) of $(GIT_REPO)"
	@echo "Version $(BUILD_VERSION), Commit $(BUILD_COMMIT)"
	@cat packer/cfk.json \
		| jq '.variables.version="${BUILD_VERSION}" \
		| .variables.branch="${GIT_BRANCH}" \
		| .variables.role="master" \
		| .variables.commit="${BUILD_COMMIT}" \
		| .variables.repository="${GIT_REPO}" \
		| ${APPLY_POST_PROCESSORS}' \
		> packer/.tmp.cfk.master.packer.json
	@packer push packer/.tmp.cfk.master.packer.json
	@rm packer/.tmp.cfk.master.packer.json

image.agent: packer_cache containers
	@echo "Building agent image from $(GIT_BRANCH):$(GIT_COMMIT) of $(GIT_REPO)"
	@echo "Version $(BUILD_VERSION), Commit $(BUILD_COMMIT)"
	@export PACKER_CACHE_DIR=~/.packer_cache && cat packer/cfk.json \
		| jq '.variables.version="${BUILD_VERSION}" \
		| .variables.branch="${GIT_BRANCH}" \
		| .variables.role="agent" \
		| .variables.commit="${BUILD_COMMIT}" \
		| .variables.repository="${GIT_REPO}" \
		| ${APPLY_POST_PROCESSORS}' \
		| packer build -force $(DEBUG_FLAG) -

image.agent.aws: packer_cache containers
	@echo "Building agent image from $(GIT_BRANCH):$(GIT_COMMIT) of $(GIT_REPO)"
	@echo "Version $(BUILD_VERSION), Commit $(BUILD_COMMIT)"
	@export PACKER_CACHE_DIR=~/.packer_cache && cat packer/cfk.json \
		| jq '.variables.version="${BUILD_VERSION}" \
		| .variables.branch="${GIT_BRANCH}" \
		| .variables.role="agent" \
		| .variables.commit="${BUILD_COMMIT}" \
		| .variables.repository="${GIT_REPO}" \
		| ${APPLY_POST_PROCESSORS}' \
		| packer build -only aws -force $(DEBUG_FLAG) -

image.agent.vbox: packer_cache containers
	@echo "Building agent image from $(GIT_BRANCH):$(GIT_COMMIT) of $(GIT_REPO)"
	@echo "Version $(BUILD_VERSION), Commit $(BUILD_COMMIT)"
	@export PACKER_CACHE_DIR=~/.packer_cache && cat packer/cfk.json \
		| jq '.variables.version="${BUILD_VERSION}" \
		| .variables.branch="${GIT_BRANCH}" \
		| .variables.role="agent" \
		| .variables.commit="${BUILD_COMMIT}" \
		| .variables.repository="${GIT_REPO}" \
		| ${APPLY_POST_PROCESSORS}' \
		| packer build -only vbox -force $(DEBUG_FLAG) -

image.agent.atlas: containers
	@echo "Pushing agent image from $(GIT_BRANCH):$(GIT_COMMIT) of $(GIT_REPO)"
	@echo "Version $(BUILD_VERSION), Commit $(BUILD_COMMIT)"
	@cat packer/cfk.json \
		| jq '.variables.version="${BUILD_VERSION}" \
		| .variables.branch="${GIT_BRANCH}" \
		| .variables.role="agent" \
		| .variables.commit="${BUILD_COMMIT}" \
		| .variables.repository="${GIT_REPO}" \
		| ${APPLY_POST_PROCESSORS}' \
		> packer/.tmp.cfk.agent.packer.json
	@packer push packer/.tmp.cfk.agent.packer.json
	@rm packer/.tmp.cfk.agent.packer.json

tf.plan:
	@echo "Plan changes to terraform infrastructure"
	@cd terraform && terraform plan

tf.apply:
	@echo "Applying changes to terraform infrastructure"
	@cd terraform && terraform apply

tf.destroy-asg:
	@cd terraform && echo "Destroying old autoscaling groups" && terraform destroy -target=aws_autoscaling_group.cfk-master-asg -target=aws_autoscaling_group.cfk-agent-asg || true

tf.upgrade:
	@echo "Starting rolling upgrade of AWS resources"
	@bin/upgrade

.PHONY: reaper reporter router