SHELL = /bin/bash

PROTOC = @PROTOC@
GO     = @GO@
GOROOT = @GOROOT@
# or 386, arm
arch   = amd64
CGO_ENABLED = 1

ifneq ($(GOROOT),)
export GOROOT
endif

cflags =
ifeq ($(arch),386)
	cflags = -m32
else
ifeq ($(arch),arm)
	cflags = -fpic
endif
endif

ifneq ($(arch),)
	GOARCH = $(arch)
endif

ifneq ($(CROSS_COMPILE),)
export CXX=$(CROSS_COMPILE)-g++
export CC=$(CROSS_COMPILE)-gcc
export AS=$(CROSS_COMPILE)-as
export AR=$(CROSS_COMPILE)-ar
export NM=$(CROSS_COMPILE)-nm
export LD=$(CROSS_COMPILE)-ld
export OBJDUMP=$(CROSS_COMPILE)-objdump
export OBJCOPY=$(CROSS_COMPILE)-objcopy
export RANLIB=$(CROSS_COMPILE)-ranlib
export STRIP=$(CROSS_COMPILE)-strip
export CXX_FOR_TARGET=$(CROSS_COMPILE)-g++
export CC_FOR_TARGET=$(CROSS_COMPILE)-gcc
GO_BUILD_OPTIONS += -ldflags="-extld=$(CC)"
cross_flags = --host=$(arch)
endif

export GOARCH
export CGO_ENABLED

.PHONY: all valgrind parser package replace_version_string build binary_package dependencies

all: | parser valgrind build test integration_test

parser:
	$(MAKE) -C src/parser

GOPATH := $(shell pwd)
export GOPATH
uname_S = $(shell sh -c "uname -s 2>/dev/null || echo not")

valgrind:
ifeq ($(uname_S),Linux)
	$(MAKE) -C src/parser valgrind
endif

# packages
packages = admin api/http api/graphite cluster common configuration	\
  checkers coordinator datastore engine parser protocol wal

# snappy variables
snappy_version = 1.1.0
snappy_dir     = /tmp/snappy.influxdb.$(arch)
snappy_file    = snappy-$(snappy_version).tar.gz
snappy_deps    = $(snappy_dir)/.libs/libsnappy.a

# leveldb variables
leveldb_version = 1.15.0
leveldb_dir     = /tmp/leveldb.influxdb.$(arch)
leveldb_file    = leveldb-$(leveldb_version).tar.gz
leveldb_deps    = $(leveldb_dir)/libleveldb.a

profile=off
ifneq ($(profile),off)
CGO_LDFLAGS += -ltcmalloc -lprofiler
GO_BUILD_OPTIONS += -tags profile
endif

# levigo flags
ifeq ($(uname_S),Linux)
CGO_CFLAGS  += -I$(leveldb_dir)/include
CGO_LDFLAGS += $(leveldb_dir)/libleveldb.a $(snappy_dir)/.libs/libsnappy.a -lstdc++
export CGO_CFLAGS
export CGO_LDFLAGS
else
CGO_LDFLAGS += -lleveldb -lsnappy -lstdc++
export CGO_LDFLAGS
endif

ifneq ($(uname_S),Linux)
PYTHONPATH ?= /usr/local/lib/python2.7/site-packages/
export PYTHONPATH
endif

$(snappy_deps):
ifeq ($(uname_S),Linux)
	rm -rf $(snappy_dir)
	mkdir -p $(snappy_dir)
	bash -c "cd $(snappy_dir); \
	wget https://snappy.googlecode.com/files/$(snappy_file); \
	tar --strip-components=1 -xvzf $(snappy_file); \
	CFLAGS=$(cflags) CXXFLAGS=$(cflags) ./configure $(cross_flags); \
	$(MAKE)"
endif

$(leveldb_deps): $(snappy_deps)
ifeq ($(uname_S),Linux)
	rm -rf $(leveldb_dir)
	mkdir -p $(leveldb_dir)
	bash -c "cd $(leveldb_dir); \
	wget https://leveldb.googlecode.com/files/$(leveldb_file); \
	tar --strip-components=1 -xvzf $(leveldb_file); \
	CXXFLAGS='-I$(snappy_dir) $(cflags)' LDFLAGS='-L$(snappy_dir)/.libs' make"
endif

levigo_dependency = github.com/jmhodges/levigo
proto_dependency  = code.google.com/p/goprotobuf/protoc-gen-go

dependencies = code.google.com/p/go.crypto/bcrypt \
code.google.com/p/goprotobuf/proto \
code.google.com/p/log4go \
github.com/bmizerany/pat \
github.com/fitstar/falcore \
github.com/fitstar/falcore/filter \
github.com/gorilla/mux \
github.com/goraft/raft \
github.com/influxdb/go-cache \
github.com/BurntSushi/toml \
github.com/influxdb/influxdb-go \
code.google.com/p/gogoprotobuf/proto \
github.com/szferi/gomdb \
$(proto_dependency)

dependencies_paths := $(addprefix src/,$(dependencies))

src/$(levigo_dependency):
	$(GO) get -d $(levigo_dependency)
	bash -c "pushd $@; find . -name \*.go | xargs sed -i 's/\/\/ #cgo LDFLAGS: -lleveldb\|#cgo LDFLAGS: -lleveldb//g'; popd"


$(dependencies_paths):
	for i in $(dependencies); do $(GO) get -d $$i; done

dependencies: src/$(levigo_dependency) $(dependencies_paths) $(leveldb_deps) $(snappy_deps)

test_dependencies: dependencies
	$(GO) get launchpad.net/gocheck

protobuf:
	$(GO) get $(proto_dependency)
	rm -f src/protocol/*.pb.go
	PATH=$$PWD/bin:$$PATH $(PROTOC) --go_out=. src/protocol/*.proto

build: | dependencies protobuf parser build_version_string
# TODO: build all packages, otherwise we won't know
# if there's an error
	$(GO) build $(GO_BUILD_OPTIONS) daemon
	$(GO) build $(GO_BUILD_OPTIONS) tools/benchmark-storage
	$(GO) build benchmark

clean:
	rm -f daemon
	rm -f benchmark
	rm -rf pkg/
	rm -rf packages/
	rm -rf src/$(levigo_dependency)
	rm -rf /tmp/influxdb
	rm -rf /tmp/admin.influxdb
	$(MAKE) -C src/parser clean

only =
verbose = off
ifneq ($(only),)
	GOTEST_OPTS = -gocheck.f '$(only)'
endif
ifneq ($(verbose),off)
	GOTEST_OPTS += -v -gocheck.v -gocheck.vv
endif

version=
ifeq ($(version),)
	version = "dev"
endif

timeout = 10m
GOTEST_OPTS += -test.timeout=$(timeout)

bench:
	$(GO) test coordinator -test.bench=. -test.benchmem

test: test_dependencies parser protobuf
	$(GO) test $(packages) $(GOTEST_OPTS)

coverage: test_dependencies
	for i in $(packages); do $(GO) test -coverprofile /tmp/influxdb.$${i/\//}.coverage $$i $(GOTEST_OPTS); \
   $(GO) tool cover -html=/tmp/influxdb.$${i/\//}.coverage; done


integration_test: test_dependencies build
	$(GO) test integration $(GOTEST_OPTS)

package_version=$(subst -,_,$(version))
admin_dir = /tmp/admin.influxdb

source_package = packages/influxdb-$(version).src.tar.gz
binary_package = packages/influxdb-$(version).$(arch).tar.gz
ifeq ($(arch),386)
	rpm_package = packages/influxdb-$(package_version)-1.i686.rpm
	debian_package = packages/influxdb_$(version)_i686.deb
	arch_args = -a i686
else ifeq ($(arch),arm)
	rpm_package = packages/influxdb-$(package_version)-1.armel.rpm
	debian_package = packages/influxdb_$(version)_armel.deb
	arch_args = -a armel
else
	rpm_package = packages/influxdb-$(package_version)-1.x86_64.rpm
	debian_package = packages/influxdb_$(version)_amd64.deb
endif

files = $(binary_package) $(debian_package) $(rpm_package) $(source_package)
sha1 = $(shell sh -c "git rev-list --max-count=1 --abbrev-commit HEAD")

build_version_string:
	@echo "package main"										 > src/daemon/version.go
	@echo "const version = \"$(version)\"" >> src/daemon/version.go
	@echo "const gitSha = \"$(sha1)\""     >> src/daemon/version.go

package_version_string: build_version_string
	sed -i.bak -e "s/REPLACE_VERSION/$(version)/" scripts/post_install.sh

$(admin_dir)/build:
	rm -rf $(admin_dir)
	rvm 1.9.3 do rvm gemset create influxdb
	git clone https://github.com/influxdb/influxdb-admin.git $(admin_dir)
	rvm 1.9.3@influxdb do bash -c "pushd $(admin_dir); bundle install; middleman build; popd"

$(rpm_package): $(admin_dir)/build build
	rm -rf out_rpm
	mkdir -p out_rpm/opt/influxdb/versions/$(version)
	cp -r build/* out_rpm/opt/influxdb/versions/$(version)
	rvm 1.9.3@influxdb do bash -c "pushd out_rpm; fpm -s dir -t rpm $(arch_args) --after-install ../scripts/post_install.sh -n influxdb -v $(version) .; popd"
	mv out_rpm/$(shell basename $(rpm_package)) packages/

$(debian_package): $(admin_dir)/build build
	rm -rf out_rpm
	mkdir -p out_rpm/opt/influxdb/versions/$(version)
	cp -r build/* out_rpm/opt/influxdb/versions/$(version)
	rvm 1.9.3@influxdb do bash -c "pushd out_rpm; fpm -s dir -t deb $(arch_args) --after-install ../scripts/post_install.sh -n influxdb -v $(version) .; popd"
	mv out_rpm/$(shell basename $(debian_package)) packages/

$(source_package): dependencies
	rm -rf src/$(levigo_dependency)
	$(GO) get -d $(levigo_dependency)
	rm -f daemon
	rm -f benchmark
	git ls-files --others | egrep -v 'github|launchpad|code.google|version.go' > /tmp/influxdb.ignored
	echo "pkg/*" >> /tmp/influxdb.ignored
	echo "packages/*" >> /tmp/influxdb.ignored
	echo "build/*" >> /tmp/influxdb.ignored
	echo "out_rpm/*" >> /tmp/influxdb.ignored
	rm -rf admin
	cp -R $(admin_dir)/build admin
	tar -czf $(source_package) --exclude-vcs -X /tmp/influxdb.ignored *
	rm -rf /tmp/influxdb
	mkdir /tmp/influxdb
	tar -xzf $(source_package) -C /tmp/influxdb
	rm $(source_package)
	bash -c "pushd /tmp/; tar -czf `basename $(source_package)` influxdb; popd"
	mv /tmp/$(shell basename $(source_package)) $(source_package)
	rm -rf src/$(levigo_dependency)
	rm -rf admin

$(binary_package): $(admin_dir)/build build packages
	rm -rf build
	mkdir build
	mv daemon build/influxdb
	mv benchmark build/influxdb-benchmark
	cp src/benchmark/benchmark_config.sample.toml build/benchmark_config.toml
	mkdir build/admin
	cp -R $(admin_dir)/build/* build/admin/
	cp -R scripts/ build/
	cp config.sample.toml build/config.toml
	sed -i 's/.\/admin/\/opt\/influxdb\/current\/admin/g' build/config.toml
	sed -i 's/influxdb.log/\/opt\/influxdb\/shared\/log.txt/g' build/config.toml
	sed -i 's/\/tmp\/influxdb\/development\/db/\/opt\/influxdb\/shared\/data\/db/g' build/config.toml
	sed -i 's/\/tmp\/influxdb\/development\/raft/\/opt\/influxdb\/shared\/data\/raft/g' build/config.toml
	sed -i 's/\/tmp\/influxdb\/development\/wal/\/opt\/influxdb\/shared\/data\/wal/g' build/config.toml
	rm -f build/scripts/post_install.sh.bak
	tar -czf $(binary_package) build/*

binary_package: $(binary_package)

packages:
	mkdir $@

package: | packages build package_version_string $(files)
	mv -f scripts/post_install.sh.bak scripts/post_install.sh