Makefile

# Makefile for check_raid plugin
PLUGIN          := check_raid
PLUGIN_SCRIPT   := $(PLUGIN).pl
PLUGIN_VERSION  := $(shell test -e .git && { git tag -d snapshot >/dev/null 2>&1 || :; git describe --tags; } || awk -F"'" '/VERSION/&&/=/{print $$2}' bin/$(PLUGIN_SCRIPT))
PLUGINDIR       := /usr/lib/nagios/plugins
PLUGINCONF      := /etc/nagios/plugins
CACHE_DIR       := $(CURDIR)/cache
CPANM_CACHE     := $(CACHE_DIR)/cpanm
CPANM           := cpanm --cascade-search --save-dists=$(CPANM_CACHE) --mirror=$(CPANM_CACHE) --mirror=http://search.cpan.org/CPAN
export PERL5LIB := $(CURDIR)/sysdeps/lib/perl5
PATH            := $(CURDIR)/sysdeps/bin:$(PATH)

# rpm version related macros
RPM_NAME        := nagios-plugin-$(PLUGIN)
version_parts   := $(subst -, ,$(PLUGIN_VERSION))
space           := $(nil) $(nil)
RPM_VERSION     := $(firstword $(version_parts))
RPM_RELEASE     := $(subst $(space),.,$(wordlist 2, $(words $(version_parts)), $(version_parts)))
# if built from tag, release "1", otherwise "0.something"
ifneq ($(RPM_RELEASE),)
RPM_RELEASE     := 0.$(RPM_RELEASE)
else
RPM_RELEASE     := 1
endif
RPM_FILENAME    := $(RPM_NAME)-$(RPM_VERSION)-$(RPM_RELEASE).noarch.rpm

all:

test:
	perl -MTest::Harness -e 'runtests @ARGV' t/*.t

builddeps:
	$(CPANM) -n -L sysdeps App::FatPacker App::FatPacker::Simple

pack:
	rm -f $(PLUGIN_SCRIPT)
	$(MAKE) $(PLUGIN_SCRIPT)

installdeps:
	$(CPANM) --installdeps -Llocal -n .

# Params::Validate adds some Module::Build dependency, but Monitoring-Plugin needs just:
# Configuring Monitoring-Plugin-0.39 ... OK
# ==> Found dependencies: Params::Validate, Class::Accessor, Config::Tiny, Math::Calc::Units
exclude_fatpack_modules := Module::Build,CPAN::Meta,Module::CPANfile,ExtUtils::MakeMaker::CPANfile

fatpack: installdeps
	fatpack-simple \
		--exclude-strip='^lib/*' \
		--exclude-strip='^bin/*' \
		--exclude=$(exclude_fatpack_modules) \
		bin/$(PLUGIN_SCRIPT) $(options)

$(PLUGIN_SCRIPT): bin/$(PLUGIN_SCRIPT) builddeps
	# ensure cpanm is present
	$(CPANM) --version

	# need 0.10.0 of fatpacker for Module::Pluggable to work
	perl -e 'use App::FatPacker 0.10.0'
	perl -e 'use App::FatPacker::Simple 0.07'

	# ensure we run in clean tree. export git tree and run there.
	rm -rf fatpack
	install -d fatpack
	git archive HEAD | tar -x -C fatpack
	sed -i -e '/VERSION/ s;q/.*/;q/$(PLUGIN_VERSION)/;' fatpack/bin/check_raid.pl
	$(MAKE) -f $(CURDIR)/Makefile -C fatpack fatpack CACHE_DIR=$(CACHE_DIR) PERL5LIB=$(PERL5LIB) options="--output ../$@"
	rm -rf fatpack
	grep -o 'fatpacked{.*}' $@

perltidy:
	perltidy $(PLUGIN_SCRIPT)

# create snapshot release from current HEAD
# travis will build release tarball and upload it to github release page
snapshot:
	@set -e; \
	git for-each-ref refs/tags/snapshot --format '%(refname:strip=2)' | xargs git tag -d; \
	branch=$$(git rev-parse --abbrev-ref HEAD); \
	commit=$$(git rev-parse --short HEAD); \
	title="snapshot from $$branch branch"; \
	body="created from $$commit on $$branch branch. uploaded by travis. use at your own risk"; \
	message=`printf "%s\n\n%s" "$$title" "$$body"`; \
	git tag -am "$$message" snapshot HEAD; \
	git push -f git@github.com:glensc/nagios-plugin-check_raid.git snapshot

# it's annoying to write shell in travis yaml
travis:
	# build check_raid.pl only on tags
	# on snapshot, rename for better identifying build
	set -e; \
	if [ -n "$(TRAVIS_TAG)" ] && [ "$(TRAVIS_PERL_VERSION)" = "5.22" ]; then \
		$(MAKE) pack; \
		if [ "$(TRAVIS_TAG)" = "snapshot" ]; then \
			mv $(PLUGIN_SCRIPT) $(PLUGIN)-$(PLUGIN_VERSION).pl; \
		fi; \
	fi

install: $(PLUGIN_SCRIPT)
	install -d $(DESTDIR)$(PLUGINDIR)
	install -p $(PLUGIN_SCRIPT) $(DESTDIR)$(PLUGINDIR)/$(PLUGIN)
	install -d $(DESTDIR)$(PLUGINCONF)
	cp -p $(PLUGIN).cfg $(DESTDIR)$(PLUGINCONF)

rpm: $(PLUGIN_SCRIPT)
	# needs to be ran in git checkout for version setup to work
	test -d .git
	# display build system info
	rpmbuild --version
	lsb_release -a || cat /etc/os-release || :
	rpmbuild -ba \
		--define '_topdir $(CURDIR)' \
		--define '_specdir %_topdir' \
		--define '_sourcedir %_topdir' \
		--define '_rpmdir %_topdir' \
		--define '_srcrpmdir %_topdir' \
		--define '_builddir %_topdir/BUILD' \
		--define 'version $(RPM_VERSION)' \
		--define 'release $(RPM_RELEASE)' \
		$(RPM_NAME).spec
	# display built rpm requires
	rpm -qp --requires $(CURDIR)/$(RPM_FILENAME)