#!/usr/bin/make -f

# Copyright 2015 Canonical Ltd.
#
# This file is part of the Cassandra Charm for Juju.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
# PURPOSE.  See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

JUJU = juju

default:
	@echo Missing target
	@echo 'Usage: make [ lint | unittest | test | clean | sync ]'
	env

# Only trusty supported, but xenial expected soon.
SERIES := $(shell $(JUJU) get-environment default-series)

HOST_SERIES := $(shell lsb_release -sc)
ifeq ($(HOST_SERIES),trusty)
    PYVER := 3.4
else
    PYVER := 3.5
endif


# /!\ Ensure that errors early in pipes cause failures, rather than
# overridden by the last stage of the pipe. cf. 'test.py | ts'
SHELL := /bin/bash
export SHELLOPTS:=errexit:pipefail


# Calculate the CHARM_DIR (the directory this Makefile is in)
THIS_MAKEFILE_PATH:=$(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
CHARM_DIR:=$(shell cd $(dir $(THIS_MAKEFILE_PATH));pwd)
VENV3:=$(CHARM_DIR)/.venv3

# Set the PATH so the correct tools are found.
export PATH:=$(VENV3)/bin:$(PATH)

SITE_PACKAGES=$(wildcard $(VENV3)/lib/python*/site-packages)

PIP=.venv3/bin/pip$(PYVER) -q
NOSETESTS=.venv3/bin/nosetests-3.4 -sv  # Yes, even with 3.5

# Set pipefail so we can get sane error codes while tagging test output
# with ts(1)
SHELL=bash -o pipefail

deps: packages venv3

lint: deps
	date
	free --human
	charm proof $(CHARM_DIR)
	flake8 \
	    --ignore=E402,E265 \
	    --exclude=charmhelpers,.venv2,.venv3 hooks tests testing
	@echo OK: Lint free `date`

unittest: lint
	$(NOSETESTS) \
	    tests.test_actions        --cover-package=actions \
	    tests.test_helpers        --cover-package=helpers \
	    tests.test_definitions    --cover-package=definitions \
	    --with-coverage --cover-branches
	@echo OK: Unit tests pass `date`

test: unittest
	AMULET_TIMEOUT=3600 \
	$(NOSETESTS) tests.test_integration
	
ftest: unittest Test1UnitDeployment
Test1UnitDeployment: deps
	date
	AMULET_TIMEOUT=5400 \
	$(NOSETESTS) tests.test_integration:Test1UnitDeployment 2>&1 | ts
	
20test: unittest Test20Deployment
Test20Deployment: deps
	date
	AMULET_TIMEOUT=5400 \
	$(NOSETESTS) tests.test_integration:Test20Deployment 2>&1 | ts

21test: unittest Test21Deployment
Test21Deployment: deps
	date
	AMULET_TIMEOUT=5400 \
	$(NOSETESTS) tests.test_integration:Test21Deployment 2>&1 | ts

30test: unittest Test30Deployment
Test30Deployment: deps
	date
	AMULET_TIMEOUT=5400 \
	$(NOSETESTS) tests.test_integration:Test30Deployment 2>&1 | ts
			
3test: unittest Test3UnitDeployment
Test3UnitDeployment: deps
	date
	AMULET_TIMEOUT=7200 \
	$(NOSETESTS) tests.test_integration:Test3UnitDeployment 2>&1 | ts

authtest: unittest TestAllowAllAuthenticatorDeployment
TestAllowAllAuthenticatorDeployment: deps
	date
	AMULET_TIMEOUT=7200 \
	$(NOSETESTS) \
	tests.test_integration:TestAllowAllAuthenticatorDeployment 2>&1 | ts

# Place a copy of the Oracle Java SE 7 Server Runtime tarball in ./lib
# to run these tests.
jretest: unittest
	AMULET_TIMEOUT=5400 \
	$(NOSETESTS) tests.test_integration:TestOracleJREDeployment 2>&1 | ts

# You need the Oracle JRE (per jretest) and set the DSE_SOURCE environment
# variable for this to work:
#     DSE_SOURCE="deb http://un:pw@debian.datastax.com/enterprise stable main"
# You will also need a cache like squid-deb-proxy and have tweaked it to
# cache the authenticated files, or the tests will likely timeout waiting
# for huge downloads to complete. Alternatively, mirror the DataStax
# packages into your own private archive.
dsetest: unittest
	AMULET_TIMEOUT=5400 \
	$(NOSETESTS) tests.test_integration:TestDSEDeployment 2>&1 | ts

coverage: lint
	$(NOSETESTS) \
	    tests.test_actions        --cover-package=actions \
	    tests.test_helpers        --cover-package=helpers \
	    tests.test_definitions    --cover-package=definitions \
	    --with-coverage --cover-branches \
	    --cover-html --cover-html-dir=coverage \
	    --cover-min-percentage=100 || \
		(gnome-open coverage/index.html; false)

clean:
	rm -rf .venv? tests/.venv? .stamp-* coverage .coverage
	find . -name __pycache__ -type d | xargs rm -rf


# Attempt to diagnose environment for test failures.
debug:
	-which virtualenv
	-which python
	-which python2
	-which python3
	-which pip
	-which pip3
	-head -1 `which virtualenv || echo nothere`
	-python -c 'import sys; print(sys.version); print(sys.path);'
	-python2 -c 'import sys; print(sys.version); print(sys.path);'
	-python3 -c 'import sys; print(sys.version); print(sys.path);'
	-env


packages: .stamp-packages
.stamp-packages:
	# Install bootstrap debs, and Python packages used by the charm
	# to ensure versions match.
	sudo add-apt-repository -y ppa:stub/juju
	sudo add-apt-repository -y ppa:stub/cassandra
	sudo apt-get update
	sudo apt-get install -y \
	    python3 python3-pip python3-apt python3-dev python-virtualenv \
	    charm-tools build-essential libev4 libev-dev libffi-dev \
	    netcat python3-jinja2 juju-wait moreutils \
	    python3-cassandra python3-bcrypt
	touch .stamp-packages

venv3: packages .stamp-venv3
.stamp-venv3:
	# Build a Python virtualenv to run our tests.
	virtualenv -p python3 --system-site-packages ${VENV3}
	
	# Create a .pth so our tests can locate everything without
	# sys.path hacks.
	(echo ${CHARM_DIR}/hooks; echo ${CHARM_DIR}) \
	    > ${VENV3}/lib/python${PYVER}/site-packages/tests.pth

	echo 'pip: ' `which pip`

	# Pip install packages needed by the test suite but not used
	# by the charm.
	$(PIP) install bcrypt cassandra-driver blist
	$(PIP) install --upgrade -I nose flake8
	$(PIP) install --upgrade coverage amulet mock juju-deployer juju-wait

	echo 'nosetests:' `which nosetests`
	echo 'flake8:' `which flake8`

	# Create a link for test shebang lines.
	(cd tests && ln -s ${VENV3} .venv3)

	touch .stamp-venv3

venv2: packages .stamp-venv2
.stamp-venv2:
	virtualenv -p python2.7 --system-site-packages .venv2
	.venv2/bin/pip install -q bundletester
	touch .stamp-venv2
 
bundletest: venv2
	.venv2/bin/bundletester

sync:
	@bzr cat \
            lp:charm-helpers/tools/charm_helpers_sync/charm_helpers_sync.py \
                > .charm_helpers_sync.py
	@python .charm_helpers_sync.py -c charm-helpers.yaml
	#@python .charm_helpers_sync.py \
	#	-c lib/testcharms/testclient/charm-helpers.yaml
	@rm .charm_helpers_sync.py