diff options
Diffstat (limited to 'meta/classes/systemd.bbclass')
-rw-r--r-- | meta/classes/systemd.bbclass | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/meta/classes/systemd.bbclass b/meta/classes/systemd.bbclass new file mode 100644 index 0000000000..3700b2eee3 --- /dev/null +++ b/meta/classes/systemd.bbclass | |||
@@ -0,0 +1,193 @@ | |||
1 | # The list of packages that should have systemd packaging scripts added. For | ||
2 | # each entry, optionally have a SYSTEMD_SERVICE_[package] that lists the service | ||
3 | # files in this package. If this variable isn't set, [package].service is used. | ||
4 | SYSTEMD_PACKAGES ?= "${PN}" | ||
5 | SYSTEMD_PACKAGES_class-native ?= "" | ||
6 | SYSTEMD_PACKAGES_class-nativesdk ?= "" | ||
7 | |||
8 | # Whether to enable or disable the services on installation. | ||
9 | SYSTEMD_AUTO_ENABLE ??= "enable" | ||
10 | |||
11 | # This class will be included in any recipe that supports systemd init scripts, | ||
12 | # even if the systemd DISTRO_FEATURE isn't enabled. As such don't make any | ||
13 | # changes directly but check the DISTRO_FEATURES first. | ||
14 | python __anonymous() { | ||
15 | features = d.getVar("DISTRO_FEATURES", True).split() | ||
16 | # If the distro features have systemd but not sysvinit, inhibit update-rcd | ||
17 | # from doing any work so that pure-systemd images don't have redundant init | ||
18 | # files. | ||
19 | if "systemd" in features: | ||
20 | d.appendVar("DEPENDS", " systemd-systemctl-native") | ||
21 | if "sysvinit" not in features: | ||
22 | d.setVar("INHIBIT_UPDATERCD_BBCLASS", "1") | ||
23 | } | ||
24 | |||
25 | systemd_postinst() { | ||
26 | OPTS="" | ||
27 | |||
28 | if [ -n "$D" ]; then | ||
29 | OPTS="--root=$D" | ||
30 | fi | ||
31 | |||
32 | if type systemctl >/dev/null 2>/dev/null; then | ||
33 | systemctl $OPTS ${SYSTEMD_AUTO_ENABLE} ${SYSTEMD_SERVICE} | ||
34 | |||
35 | if [ -z "$D" -a "${SYSTEMD_AUTO_ENABLE}" = "enable" ]; then | ||
36 | systemctl restart ${SYSTEMD_SERVICE} | ||
37 | fi | ||
38 | fi | ||
39 | } | ||
40 | |||
41 | systemd_prerm() { | ||
42 | if type systemctl >/dev/null 2>/dev/null; then | ||
43 | if [ -z "$D" ]; then | ||
44 | systemctl stop ${SYSTEMD_SERVICE} | ||
45 | fi | ||
46 | |||
47 | systemctl disable ${SYSTEMD_SERVICE} | ||
48 | fi | ||
49 | } | ||
50 | |||
51 | |||
52 | systemd_populate_packages[vardeps] += "systemd_prerm systemd_postinst" | ||
53 | |||
54 | python systemd_populate_packages() { | ||
55 | if "systemd" not in d.getVar("DISTRO_FEATURES", True).split(): | ||
56 | return | ||
57 | |||
58 | def get_package_var(d, var, pkg): | ||
59 | val = (d.getVar('%s_%s' % (var, pkg), True) or "").strip() | ||
60 | if val == "": | ||
61 | val = (d.getVar(var, True) or "").strip() | ||
62 | return val | ||
63 | |||
64 | # Check if systemd-packages already included in PACKAGES | ||
65 | def systemd_check_package(pkg_systemd): | ||
66 | packages = d.getVar('PACKAGES', True) | ||
67 | if not pkg_systemd in packages.split(): | ||
68 | bb.error('%s does not appear in package list, please add it' % pkg_systemd) | ||
69 | |||
70 | |||
71 | def systemd_generate_package_scripts(pkg): | ||
72 | bb.debug(1, 'adding systemd calls to postinst/postrm for %s' % pkg) | ||
73 | |||
74 | # Add pkg to the overrides so that it finds the SYSTEMD_SERVICE_pkg | ||
75 | # variable. | ||
76 | localdata = d.createCopy() | ||
77 | localdata.prependVar("OVERRIDES", pkg + ":") | ||
78 | bb.data.update_data(localdata) | ||
79 | |||
80 | postinst = d.getVar('pkg_postinst_%s' % pkg, True) | ||
81 | if not postinst: | ||
82 | postinst = '#!/bin/sh\n' | ||
83 | postinst += localdata.getVar('systemd_postinst', True) | ||
84 | d.setVar('pkg_postinst_%s' % pkg, postinst) | ||
85 | |||
86 | prerm = d.getVar('pkg_prerm_%s' % pkg, True) | ||
87 | if not prerm: | ||
88 | prerm = '#!/bin/sh\n' | ||
89 | prerm += localdata.getVar('systemd_prerm', True) | ||
90 | d.setVar('pkg_prerm_%s' % pkg, prerm) | ||
91 | |||
92 | |||
93 | # Add files to FILES_*-systemd if existent and not already done | ||
94 | def systemd_append_file(pkg_systemd, file_append): | ||
95 | appended = False | ||
96 | if os.path.exists(oe.path.join(d.getVar("D", True), file_append)): | ||
97 | var_name = "FILES_" + pkg_systemd | ||
98 | files = d.getVar(var_name, False) or "" | ||
99 | if file_append not in files.split(): | ||
100 | d.appendVar(var_name, " " + file_append) | ||
101 | appended = True | ||
102 | return appended | ||
103 | |||
104 | # Add systemd files to FILES_*-systemd, parse for Also= and follow recursive | ||
105 | def systemd_add_files_and_parse(pkg_systemd, path, service, keys): | ||
106 | # avoid infinite recursion | ||
107 | if systemd_append_file(pkg_systemd, oe.path.join(path, service)): | ||
108 | fullpath = oe.path.join(d.getVar("D", True), path, service) | ||
109 | if service.find('.service') != -1: | ||
110 | # for *.service add *@.service | ||
111 | service_base = service.replace('.service', '') | ||
112 | systemd_add_files_and_parse(pkg_systemd, path, service_base + '@.service', keys) | ||
113 | if service.find('.socket') != -1: | ||
114 | # for *.socket add *.service and *@.service | ||
115 | service_base = service.replace('.socket', '') | ||
116 | systemd_add_files_and_parse(pkg_systemd, path, service_base + '.service', keys) | ||
117 | systemd_add_files_and_parse(pkg_systemd, path, service_base + '@.service', keys) | ||
118 | for key in keys.split(): | ||
119 | # recurse all dependencies found in keys ('Also';'Conflicts';..) and add to files | ||
120 | cmd = "grep %s %s | sed 's,%s=,,g' | tr ',' '\\n'" % (key, fullpath, key) | ||
121 | pipe = os.popen(cmd, 'r') | ||
122 | line = pipe.readline() | ||
123 | while line: | ||
124 | line = line.replace('\n', '') | ||
125 | systemd_add_files_and_parse(pkg_systemd, path, line, keys) | ||
126 | line = pipe.readline() | ||
127 | pipe.close() | ||
128 | |||
129 | # Check service-files and call systemd_add_files_and_parse for each entry | ||
130 | def systemd_check_services(): | ||
131 | searchpaths = [oe.path.join(d.getVar("sysconfdir", True), "systemd", "system"),] | ||
132 | searchpaths.append(oe.path.join(d.getVar("nonarch_base_libdir", True), "systemd", "system")) | ||
133 | searchpaths.append(oe.path.join(d.getVar("exec_prefix", True), d.getVar("nonarch_base_libdir", True), "systemd", "system")) | ||
134 | systemd_packages = d.getVar('SYSTEMD_PACKAGES', True) | ||
135 | has_exactly_one_service = len(systemd_packages.split()) == 1 | ||
136 | if has_exactly_one_service: | ||
137 | has_exactly_one_service = len(get_package_var(d, 'SYSTEMD_SERVICE', systemd_packages).split()) == 1 | ||
138 | |||
139 | keys = 'Also' # Conflicts?? | ||
140 | if has_exactly_one_service: | ||
141 | # single service gets also the /dev/null dummies | ||
142 | keys = 'Also Conflicts' | ||
143 | # scan for all in SYSTEMD_SERVICE[] | ||
144 | for pkg_systemd in systemd_packages.split(): | ||
145 | for service in get_package_var(d, 'SYSTEMD_SERVICE', pkg_systemd).split(): | ||
146 | path_found = '' | ||
147 | for path in searchpaths: | ||
148 | if os.path.exists(oe.path.join(d.getVar("D", True), path, service)): | ||
149 | path_found = path | ||
150 | break | ||
151 | if path_found != '': | ||
152 | systemd_add_files_and_parse(pkg_systemd, path_found, service, keys) | ||
153 | else: | ||
154 | raise bb.build.FuncFailed("SYSTEMD_SERVICE_%s value %s does not exist" % \ | ||
155 | (pkg_systemd, service)) | ||
156 | |||
157 | # Run all modifications once when creating package | ||
158 | if os.path.exists(d.getVar("D", True)): | ||
159 | for pkg in d.getVar('SYSTEMD_PACKAGES', True).split(): | ||
160 | systemd_check_package(pkg) | ||
161 | if d.getVar('SYSTEMD_SERVICE_' + pkg, True): | ||
162 | systemd_generate_package_scripts(pkg) | ||
163 | systemd_check_services() | ||
164 | } | ||
165 | |||
166 | PACKAGESPLITFUNCS_prepend = "systemd_populate_packages " | ||
167 | |||
168 | python rm_systemd_unitdir (){ | ||
169 | import shutil | ||
170 | if "systemd" not in d.getVar("DISTRO_FEATURES", True).split(): | ||
171 | systemd_unitdir = oe.path.join(d.getVar("D", True), d.getVar('systemd_unitdir', True)) | ||
172 | if os.path.exists(systemd_unitdir): | ||
173 | shutil.rmtree(systemd_unitdir) | ||
174 | systemd_libdir = os.path.dirname(systemd_unitdir) | ||
175 | if (os.path.exists(systemd_libdir) and not os.listdir(systemd_libdir)): | ||
176 | os.rmdir(systemd_libdir) | ||
177 | } | ||
178 | do_install[postfuncs] += "rm_systemd_unitdir " | ||
179 | |||
180 | python rm_sysvinit_initddir (){ | ||
181 | import shutil | ||
182 | sysv_initddir = oe.path.join(d.getVar("D", True), (d.getVar('INIT_D_DIR', True) or "/etc/init.d")) | ||
183 | |||
184 | if ("systemd" in d.getVar("DISTRO_FEATURES", True).split() and | ||
185 | "sysvinit" not in d.getVar("DISTRO_FEATURES", True).split() and | ||
186 | os.path.exists(sysv_initddir)): | ||
187 | systemd_unitdir = oe.path.join(d.getVar("D", True), d.getVar('systemd_unitdir', True), "system") | ||
188 | |||
189 | # If systemd_unitdir contains anything, delete sysv_initddir | ||
190 | if (os.path.exists(systemd_unitdir) and os.listdir(systemd_unitdir)): | ||
191 | shutil.rmtree(sysv_initddir) | ||
192 | } | ||
193 | do_install[postfuncs] += "rm_sysvinit_initddir " | ||