meta-openembedded/meta-systemd/classes/systemd.bbclass
Martin Jansa e008cc8688 systemd.bbclass: add option to disable automatic RRECOMMENDS pkg-systemd_base -> pkg-systemd
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
2012-08-20 10:02:09 +02:00

230 lines
9.5 KiB
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DEPENDS_append = " systemd-systemctl-native"
SYSTEMD_AUTO_ENABLE ??= "enable"
SYSTEMD_AUTO_RRECOMMENDS ??= "enable"
systemd_postinst() {
OPTS=""
if [ -n "$D" ]; then
OPTS="--root=$D"
fi
systemctl $OPTS ${SYSTEMD_AUTO_ENABLE} ${SYSTEMD_SERVICE}
if [ -z "$D" -a ${SYSTEMD_AUTO_ENABLE} = "enable" ]; then
systemctl start ${SYSTEMD_SERVICE}
fi
}
systemd_prerm() {
if [ -z "$D" ]; then
systemctl stop ${SYSTEMD_SERVICE}
fi
}
systemd_postrm() {
systemctl disable ${SYSTEMD_SERVICE}
}
def get_package_var(d, var, pkg):
val = (d.getVar('%s_%s' % (var, pkg), d, 1) or "").strip()
if val == "":
val = (d.getVar(var, d, 1) or "").strip()
return val
def systemd_after_parse(d):
def systemd_check_vars():
if d.getVar('BB_WORKERCONTEXT', True) is not None:
return
bb_filename = d.getVar('FILE')
packages = d.getVar('PACKAGES', 1)
# check SYSTEMD_PACKAGES
systemd_pkgs = d.getVar('SYSTEMD_PACKAGES', 1) or ""
if systemd_pkgs == "":
raise bb.build.FuncFailed, "\n\n%s inherits systemd but doesn't set SYSTEMD_PACKAGES" % bb_filename
for pkg_systemd in systemd_pkgs.split():
if pkg_systemd.find("-systemd") == -1:
if pkg_systemd != d.getVar('PN', 1):
raise bb.build.FuncFailed, \
"\n\n%s: %s in SYSTEMD_PACKAGES does not match <existing-package>-systemd or ${PN}" % \
(bb_filename, pkg_systemd)
else:
pkg_systemd_base = pkg_systemd.replace('-systemd', '')
if pkg_systemd_base not in packages:
raise bb.build.FuncFailed, \
"\n\n%s: %s in SYSTEMD_PACKAGES does not match <existing-package>-systemd or ${PN}" % \
( bb_filename, pkg_systemd)
# prepend systemd-packages not already included
def systemd_create_package(pkg_systemd):
packages = d.getVar('PACKAGES', 1)
if not pkg_systemd in packages:
packages = "%s %s" % (pkg_systemd, packages)
d.setVar('PACKAGES', packages)
bpn = d.getVar('BPN', 1)
if bpn + "-native" != d.getVar('PN', 1) and \
bpn + "-cross" != d.getVar('PN', 1) and \
bpn + "-nativesdk" != d.getVar('PN', 1):
systemd_check_vars()
for pkg_systemd in d.getVar('SYSTEMD_PACKAGES', 1).split():
systemd_create_package(pkg_systemd)
python __anonymous() {
systemd_after_parse(d)
}
# automatically install all *.service and *.socket supplied in recipe's SRC_URI
do_install_append() {
for service in `find ${WORKDIR} -maxdepth 1 -name '*.service' -o -name '*.socket'` ; do
# ensure installing systemd-files only (e.g not avahi *.service)
if grep -q '\[Unit\]' $service ; then
install -d ${D}${systemd_unitdir}/system
install -m 644 $service ${D}${systemd_unitdir}/system
fi
done
}
python populate_packages_prepend () {
def systemd_generate_package_scripts(pkg):
bb.debug(1, 'adding systemd calls to postinst/postrm for %s' % pkg)
localdata = bb.data.createCopy(d)
overrides = bb.data.getVar("OVERRIDES", localdata, 1)
bb.data.setVar("OVERRIDES", "%s:%s" % (pkg, overrides), localdata)
bb.data.update_data(localdata)
"""
systemd postinst is appended here because pkg_postinst may require to
execute on the target. Not doing so may cause systemd postinst invoked
twice to cause unwanted warnings.
"""
postinst = bb.data.getVar('pkg_postinst', localdata, 1)
if not postinst:
postinst = '#!/bin/sh\n'
postinst += bb.data.getVar('systemd_postinst', localdata, 1)
bb.data.setVar('pkg_postinst_%s' % pkg, postinst, d)
prerm = bb.data.getVar('pkg_prerm', localdata, 1)
if not prerm:
prerm = '#!/bin/sh\n'
prerm += bb.data.getVar('systemd_prerm', localdata, 1)
bb.data.setVar('pkg_prerm_%s' % pkg, prerm, d)
postrm = bb.data.getVar('pkg_postrm', localdata, 1)
if not postrm:
postrm = '#!/bin/sh\n'
postrm += bb.data.getVar('systemd_postrm', localdata, 1)
bb.data.setVar('pkg_postrm_%s' % pkg, postrm, d)
# add files to FILES_*-systemd if existent and not already done
def systemd_append_file(pkg_systemd, file_append):
appended = False
if os.path.exists('${D}' + file_append):
var_name = "FILES_" + pkg_systemd
files = d.getVar(var_name, 0) or ""
if file_append not in files.split():
d.setVar(var_name, "%s %s" % (files, file_append))
appended = True
return appended
# add systemd files to FILES_*-systemd, parse for Also= and follow recursive
def systemd_add_files_and_parse(pkg_systemd, path, service, keys):
# avoid infinite recursion
if systemd_append_file(pkg_systemd, path + service):
fullpath = '${D}' + path + service
if service.find('.socket') != -1:
# for *.socket add *.service and *@.service
service_base = service.replace('.socket', '')
systemd_add_files_and_parse(pkg_systemd, path, service_base + '.service', keys)
systemd_add_files_and_parse(pkg_systemd, path, service_base + '@.service', keys)
for key in keys.split():
# recurse all dependencies found in keys ('Also';'Conflicts';..) and add to files
cmd = "grep %s %s | sed 's,%s=,,g' | tr ',' '\\n'" % (key, fullpath, key)
pipe = os.popen(cmd, 'r')
line = pipe.readline()
while line:
line = line.replace('\n', '')
systemd_add_files_and_parse(pkg_systemd, path, line, keys)
line = pipe.readline()
pipe.close()
# check service-files and call systemd_add_files_and_parse for each entry
def systemd_check_services():
base_libdir = d.getVar('base_libdir', 1)
searchpaths = '/etc/systemd/system/' + ' '
searchpaths += d.getVar('base_libdir', 1) + '/systemd/system/' + ' '
searchpaths += d.getVar('libdir', 1) + '/systemd/system/' + ' '
systemd_packages = d.getVar('SYSTEMD_PACKAGES', 1)
has_exactly_one_service = len(systemd_packages.split()) == 1
if has_exactly_one_service:
has_exactly_one_service = len(get_package_var(d, 'SYSTEMD_SERVICE', systemd_packages).split()) == 1
keys = 'Also' # Conflicts??
if has_exactly_one_service:
# single service gets also the /dev/null dummies
keys = 'Also Conflicts'
# scan for all in SYSTEMD_SERVICE[]
for pkg_systemd in systemd_packages.split():
for service in get_package_var(d, 'SYSTEMD_SERVICE', pkg_systemd).split():
path_found = ''
for path in searchpaths.split():
if os.path.exists('${D}' + path + service):
path_found = path
if path_found != '':
systemd_add_files_and_parse(pkg_systemd, path_found, service, keys)
else:
raise bb.build.FuncFailed, "\n\nFor package %s SYSTEMD_SERVICE-entry %s does not exist" % \
(pkg_systemd, service)
""" Setup rdepends / rrecommmends as:
-----------------------------
| pkg_systemd_base: 'foo' |
-----------------------------
| ^
| | --------------
rrecommends | | rdepends | 'systemd' |
| | ->--------------
V | / rdepends
------------------------------/
| pkg_systemd: 'foo-systemd' |
------------------------------
"""
def systemd_add_rdepends_rrecommends(pkg_systemd):
# RDEPENDS_${pkg_systemd} += pkg_systemd_base systemd
rdepends = d.getVar('RDEPENDS_' + pkg_systemd, 1) or ""
rdepends_arr = rdepends.split()
if not 'systemd' in rdepends_arr:
rdepends = '%s %s' % (rdepends, 'systemd')
pkg_systemd_base = pkg_systemd.replace('-systemd', '')
# no automatism for:
# recipes setting rdepends themselves AND
# not rdepending myself AND
# avoid double entries
if len(rdepends_arr) == 0 and pkg_systemd != '${PN}' and not pkg_systemd_base in rdepends:
rdepends = '%s %s' % (rdepends, pkg_systemd_base)
d.setVar('RDEPENDS_' + pkg_systemd, rdepends)
auto_rrecommends = d.getVar('SYSTEMD_AUTO_RRECOMMENDS', 1) or 'enable'
if auto_rrecommends == 'enable':
# RRECOMMENDS_${pkg_systemd_base} += pkg_systemd systemd
rrecommends = d.getVar('RRECOMMENDS_' + pkg_systemd_base, 1) or ""
# not rrecommending myself AND avoid double entries
if pkg_systemd != pkg_systemd_base and not pkg_systemd in rrecommends.split():
rrecommends = '%s %s' % (rrecommends, pkg_systemd)
d.setVar('RRECOMMENDS_' + pkg_systemd_base, rrecommends)
# run all modifications once when creating package
if os.path.exists('${D}'):
for pkg_systemd in d.getVar('SYSTEMD_PACKAGES', 1).split():
if get_package_var(d, 'SYSTEMD_SERVICE', pkg_systemd) != "":
systemd_generate_package_scripts(pkg_systemd)
systemd_add_rdepends_rrecommends(pkg_systemd)
systemd_check_services()
}