# Copyright 2011-2021 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

VERSION:=7.2.5
PROJECT?=redis
GH_ORG?=redis
SPRING_PROFILE?=ci
SHELL=/bin/bash -euo pipefail

#######
# Redis
#######
.PRECIOUS: work/$(PROJECT)-%.conf

work/$(PROJECT)-%.conf:
	@mkdir -p $(@D)

	echo port $* >> $@
	echo daemonize yes >> $@
	echo protected-mode no >> $@
	echo bind 0.0.0.0 >> $@
	echo notify-keyspace-events Ex >> $@
	echo pidfile $(shell pwd)/work/$(PROJECT)-$*.pid >> $@
	echo logfile $(shell pwd)/work/$(PROJECT)-$*.log >> $@
	echo unixsocket $(shell pwd)/work/$(PROJECT)-$*.sock >> $@
	echo unixsocketperm 755 >> $@
	echo save \"\" >> $@
	echo slaveof 127.0.0.1 6379 >> $@

# Handled separately because it's a node with authentication. User: spring, password: data. Default password: foobared
work/$(PROJECT)-6382.conf:
	@mkdir -p $(@D)

	echo port 6382 >> $@
	echo daemonize yes >> $@
	echo protected-mode no >> $@
	echo bind 0.0.0.0 >> $@
	echo notify-keyspace-events Ex >> $@
	echo pidfile $(shell pwd)/work/$(PROJECT)-6382.pid >> $@
	echo logfile $(shell pwd)/work/$(PROJECT)-6382.log >> $@
	echo unixsocket $(shell pwd)/work/$(PROJECT)-6382.sock >> $@
	echo unixsocketperm 755 >> $@
	echo "requirepass foobared" >> $@
	echo "user default on #1b58ee375b42e41f0e48ef2ff27d10a5b1f6924a9acdcdba7cae868e7adce6bf ~* +@all" >> $@
	echo "user spring on #3a6eb0790f39ac87c94f3856b2dd2c5d110e6811602261a9a923d3bb23adc8b7 +@all" >> $@
	echo save \"\" >> $@

# Handled separately because it's the master and all others are slaves
work/$(PROJECT)-6379.conf:
	@mkdir -p $(@D)

	echo port 6379 >> $@
	echo daemonize yes >> $@
	echo protected-mode no >> $@
	echo bind 0.0.0.0 >> $@
	echo notify-keyspace-events Ex >> $@
	echo pidfile $(shell pwd)/work/$(PROJECT)-6379.pid >> $@
	echo logfile $(shell pwd)/work/$(PROJECT)-6379.log >> $@
	echo unixsocket $(shell pwd)/work/$(PROJECT)-6379.sock >> $@
	echo unixsocketperm 755 >> $@
	echo save \"\" >> $@

work/$(PROJECT)-%.pid: work/$(PROJECT)-%.conf work/$(PROJECT)/bin/$(PROJECT)-server
	work/$(PROJECT)/bin/$(PROJECT)-server $<

server-start: work/$(PROJECT)-6379.pid work/$(PROJECT)-6380.pid work/$(PROJECT)-6381.pid work/$(PROJECT)-6382.pid

server-stop: stop-6379 stop-6380 stop-6381 stop-6382

##########
# Sentinel
##########
.PRECIOUS: work/sentinel-%.conf

work/sentinel-%.conf:
	@mkdir -p $(@D)

	echo port $* >> $@
	echo daemonize yes >> $@
	echo protected-mode no >> $@
	echo bind 0.0.0.0 >> $@
	echo pidfile $(shell pwd)/work/sentinel-$*.pid >> $@
	echo logfile $(shell pwd)/work/sentinel-$*.log >> $@
	echo save \"\" >> $@
	echo sentinel monitor mymaster 127.0.0.1 6379 2 >> $@

# Password-protected Sentinel
work/sentinel-26382.conf:
	@mkdir -p $(@D)

	echo port 26382 >> $@
	echo daemonize yes >> $@
	echo protected-mode no >> $@
	echo bind 0.0.0.0 >> $@
	echo pidfile $(shell pwd)/work/sentinel-26382.pid >> $@
	echo logfile $(shell pwd)/work/sentinel-26382.log >> $@
	echo save \"\" >> $@
	echo "requirepass foobared" >> $@
	echo "user default on #1b58ee375b42e41f0e48ef2ff27d10a5b1f6924a9acdcdba7cae868e7adce6bf ~* +@all" >> $@
	echo "user spring on #3a6eb0790f39ac87c94f3856b2dd2c5d110e6811602261a9a923d3bb23adc8b7 +@all" >> $@
	echo sentinel monitor mymaster 127.0.0.1 6382 2 >> $@
	echo sentinel auth-pass mymaster foobared >> $@

work/sentinel-%.pid: work/sentinel-%.conf work/$(PROJECT)-6379.pid work/$(PROJECT)/bin/$(PROJECT)-server
	work/$(PROJECT)/bin/$(PROJECT)-server $< --sentinel

sentinel-start: work/sentinel-26379.pid work/sentinel-26380.pid work/sentinel-26381.pid work/sentinel-26382.pid

sentinel-stop: stop-26379 stop-26380 stop-26381 stop-26382


#########
# Cluster
#########
.PRECIOUS: work/cluster-%.conf

work/cluster-%.conf:
	@mkdir -p $(@D)

	echo port $* >> $@
	echo protected-mode no >> $@
	echo bind 0.0.0.0 >> $@
	echo cluster-enabled yes  >> $@
	echo cluster-config-file $(shell pwd)/work/nodes-$*.conf  >> $@
	echo cluster-node-timeout 5  >> $@
	echo pidfile $(shell pwd)/work/cluster-$*.pid >> $@
	echo logfile $(shell pwd)/work/cluster-$*.log >> $@
	echo save \"\" >> $@

work/cluster-%.pid: work/cluster-%.conf work/$(PROJECT)/bin/$(PROJECT)-server
	work/$(PROJECT)/bin/$(PROJECT)-server $< &

cluster-start: work/cluster-7379.pid work/cluster-7380.pid work/cluster-7381.pid work/cluster-7382.pid
	sleep 1

work/meet-%:
	-work/$(PROJECT)/bin/$(PROJECT)-cli -p $* cluster meet 127.0.0.1 7379

# Handled separately because this node is a replica
work/meet-7382:
	-work/$(PROJECT)/bin/$(PROJECT)-cli -p 7382 cluster meet 127.0.0.1 7379
	sleep 2
	-work/$(PROJECT)/bin/$(PROJECT)-cli -p 7382 cluster replicate $(shell work/$(PROJECT)/bin/$(PROJECT)-cli -p 7379 cluster myid)

cluster-meet: work/meet-7380 work/meet-7381 work/meet-7382
	sleep 1

cluster-stop: stop-7379 stop-7380 stop-7381 stop-7382

cluster-slots:
	-work/$(PROJECT)/bin/$(PROJECT)-cli -p 7379 cluster addslots $(shell seq 0 5460)
	-work/$(PROJECT)/bin/$(PROJECT)-cli -p 7380 cluster addslots $(shell seq 5461 10922)
	-work/$(PROJECT)/bin/$(PROJECT)-cli -p 7381 cluster addslots $(shell seq 10923 16383)

cluster-init: cluster-start cluster-meet cluster-slots

########
# Global
########
clean:
	rm -rf work/*.conf work/*.pid work/*.log dump.rdb

clobber:
	rm -rf work

work/$(PROJECT)/bin/$(PROJECT)-cli work/$(PROJECT)/bin/$(PROJECT)-server:
	@mkdir -p work/$(PROJECT)

	curl -sSL https://github.com/$(GH_ORG)/$(PROJECT)/archive/refs/tags/$(VERSION).tar.gz | tar xzf - -C work
	$(MAKE) -C work/$(PROJECT)-$(VERSION) -j
	$(MAKE) -C work/$(PROJECT)-$(VERSION) PREFIX=$(shell pwd)/work/$(PROJECT) install
	rm -rf work/$(PROJECT)-$(VERSION)

start: server-start sentinel-start cluster-init

stop-%: work/$(PROJECT)/bin/$(PROJECT)-cli
	-work/$(PROJECT)/bin/$(PROJECT)-cli -p $* shutdown

stop-6382: work/$(PROJECT)/bin/$(PROJECT)-cli
	-work/$(PROJECT)/bin/$(PROJECT)-cli -a foobared -p 6382 shutdown

stop-26382: work/$(PROJECT)/bin/$(PROJECT)-cli
	-work/$(PROJECT)/bin/$(PROJECT)-cli -a foobared -p 26382 shutdown

stop: server-stop sentinel-stop cluster-stop

test:
	$(MAKE) start
	sleep 1
	./mvnw clean test -U -P$(SPRING_PROFILE) || (echo "maven failed $$?"; exit 1)
	$(MAKE) stop
	$(MAKE) clean

all-tests:
	$(MAKE) start
	sleep 1
	./mvnw clean test -U -DrunLongTests=true -P$(SPRING_PROFILE) || (echo "maven failed $$?"; exit 1)
	$(MAKE) stop
	$(MAKE) clean