summaryrefslogtreecommitdiffstats
path: root/meta/lib/oe/rootfs.py
blob: 91312f835389141687eb4059c3b98d9ece1b2558 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
#
# SPDX-License-Identifier: GPL-2.0-only
#
from abc import ABCMeta, abstractmethod
from oe.utils import execute_pre_post_process
from oe.package_manager import *
from oe.manifest import *
import oe.path
import shutil
import os
import subprocess
import re

class Rootfs(object, metaclass=ABCMeta):
    """
    This is an abstract class. Do not instantiate this directly.
    """

    def __init__(self, d, progress_reporter=None, logcatcher=None):
        self.d = d
        self.pm = None
        self.image_rootfs = self.d.getVar('IMAGE_ROOTFS')
        self.deploydir = self.d.getVar('IMGDEPLOYDIR')
        self.progress_reporter = progress_reporter
        self.logcatcher = logcatcher

        self.install_order = Manifest.INSTALL_ORDER

    @abstractmethod
    def _create(self):
        pass

    @abstractmethod
    def _get_delayed_postinsts(self):
        pass

    @abstractmethod
    def _save_postinsts(self):
        pass

    @abstractmethod
    def _log_check(self):
        pass

    def _log_check_common(self, type, match):
        # Ignore any lines containing log_check to avoid recursion, and ignore
        # lines beginning with a + since sh -x may emit code which isn't
        # actually executed, but may contain error messages
        excludes = [ 'log_check', r'^\+' ]
        if hasattr(self, 'log_check_expected_regexes'):
            excludes.extend(self.log_check_expected_regexes)
        # Insert custom log_check excludes
        excludes += [x for x in (self.d.getVar("IMAGE_LOG_CHECK_EXCLUDES") or "").split(" ") if x]
        excludes = [re.compile(x) for x in excludes]
        r = re.compile(match)
        log_path = self.d.expand("${T}/log.do_rootfs")
        messages = []
        with open(log_path, 'r') as log:
            for line in log:
                if self.logcatcher and self.logcatcher.contains(line.rstrip()):
                    continue
                for ee in excludes:
                    m = ee.search(line)
                    if m:
                        break
                if m:
                    continue

                m = r.search(line)
                if m:
                    messages.append('[log_check] %s' % line)
        if messages:
            if len(messages) == 1:
                msg = '1 %s message' % type
            else:
                msg = '%d %s messages' % (len(messages), type)
            msg = '[log_check] %s: found %s in the logfile:\n%s' % \
                (self.d.getVar('PN'), msg, ''.join(messages))
            if type == 'error':
                bb.fatal(msg)
            else:
                bb.warn(msg)

    def _log_check_warn(self):
        self._log_check_common('warning', '^(warn|Warn|WARNING:)')

    def _log_check_error(self):
        self._log_check_common('error', self.log_check_regex)

    def _insert_feed_uris(self):
        if bb.utils.contains("IMAGE_FEATURES", "package-management",
                         True, False, self.d):
            self.pm.insert_feeds_uris(self.d.getVar('PACKAGE_FEED_URIS') or "",
                self.d.getVar('PACKAGE_FEED_BASE_PATHS') or "",
                self.d.getVar('PACKAGE_FEED_ARCHS'))


    """
    The _cleanup() method should be used to clean-up stuff that we don't really
    want to end up on target. For example, in the case of RPM, the DB locks.
    The method is called, once, at the end of create() method.
    """
    @abstractmethod
    def _cleanup(self):
        pass

    def _setup_dbg_rootfs(self, dirs):
        gen_debugfs = self.d.getVar('IMAGE_GEN_DEBUGFS') or '0'
        if gen_debugfs != '1':
           return

        bb.note("  Renaming the original rootfs...")
        try:
            shutil.rmtree(self.image_rootfs + '-orig')
        except:
            pass
        bb.utils.rename(self.image_rootfs, self.image_rootfs + '-orig')

        bb.note("  Creating debug rootfs...")
        bb.utils.mkdirhier(self.image_rootfs)

        bb.note("  Copying back package database...")
        for dir in dirs:
            if not os.path.isdir(self.image_rootfs + '-orig' + dir):
                continue
            bb.utils.mkdirhier(self.image_rootfs + os.path.dirname(dir))
            shutil.copytree(self.image_rootfs + '-orig' + dir, self.image_rootfs + dir, symlinks=True)

        # Copy files located in /usr/lib/debug or /usr/src/debug
        for dir in ["/usr/lib/debug", "/usr/src/debug"]:
            src = self.image_rootfs + '-orig' + dir
            if os.path.exists(src):
                dst = self.image_rootfs + dir
                bb.utils.mkdirhier(os.path.dirname(dst))
                shutil.copytree(src, dst)

        # Copy files with suffix '.debug' or located in '.debug' dir.
        for root, dirs, files in os.walk(self.image_rootfs + '-orig'):
            relative_dir = root[len(self.image_rootfs + '-orig'):]
            for f in files:
                if f.endswith('.debug') or '/.debug' in relative_dir:
                    bb.utils.mkdirhier(self.image_rootfs + relative_dir)
                    shutil.copy(os.path.join(root, f),
                                self.image_rootfs + relative_dir)

        bb.note("  Install complementary '*-dbg' packages...")
        self.pm.install_complementary('*-dbg')

        if self.d.getVar('PACKAGE_DEBUG_SPLIT_STYLE') == 'debug-with-srcpkg':
            bb.note("  Install complementary '*-src' packages...")
            self.pm.install_complementary('*-src')

        """
        Install additional debug packages. Possibility to install additional packages,
        which are not automatically installed as complementary package of
        standard one, e.g. debug package of static libraries.
        """
        extra_debug_pkgs = self.d.getVar('IMAGE_INSTALL_DEBUGFS')
        if extra_debug_pkgs:
            bb.note("  Install extra debug packages...")
            self.pm.install(extra_debug_pkgs.split(), True)

        bb.note("  Rename debug rootfs...")
        try:
            shutil.rmtree(self.image_rootfs + '-dbg')
        except:
            pass
        bb.utils.rename(self.image_rootfs, self.image_rootfs + '-dbg')

        bb.note("  Restoring original rootfs...")
        bb.utils.rename(self.image_rootfs + '-orig', self.image_rootfs)

    def _exec_shell_cmd(self, cmd):
        fakerootcmd = self.d.getVar('FAKEROOT')
        if fakerootcmd is not None:
            exec_cmd = [fakerootcmd, cmd]
        else:
            exec_cmd = cmd

        try:
            subprocess.check_output(exec_cmd, stderr=subprocess.STDOUT)
        except subprocess.CalledProcessError as e:
            return("Command '%s' returned %d:\n%s" % (e.cmd, e.returncode, e.output))

        return None

    def create(self):
        bb.note("###### Generate rootfs #######")
        pre_process_cmds = self.d.getVar("ROOTFS_PREPROCESS_COMMAND")
        post_process_cmds = self.d.getVar("ROOTFS_POSTPROCESS_COMMAND")
        rootfs_post_install_cmds = self.d.getVar('ROOTFS_POSTINSTALL_COMMAND')

        execute_pre_post_process(self.d, pre_process_cmds)

        if self.progress_reporter:
            self.progress_reporter.next_stage()

        # call the package manager dependent create method
        self._create()

        sysconfdir = self.image_rootfs + self.d.getVar('sysconfdir')
        bb.utils.mkdirhier(sysconfdir)
        with open(sysconfdir + "/version", "w+") as ver:
            ver.write(self.d.getVar('BUILDNAME') + "\n")

        execute_pre_post_process(self.d, rootfs_post_install_cmds)

        self.pm.run_intercepts()

        execute_pre_post_process(self.d, post_process_cmds)

        if self.progress_reporter:
            self.progress_reporter.next_stage()

        if bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs",
                         True, False, self.d) and \
           not bb.utils.contains("IMAGE_FEATURES",
                         "read-only-rootfs-delayed-postinsts",
                         True, False, self.d):
            delayed_postinsts = self._get_delayed_postinsts()
            if delayed_postinsts is not None:
                bb.fatal("The following packages could not be configured "
                         "offline and rootfs is read-only: %s" %
                         delayed_postinsts)

        if self.d.getVar('USE_DEVFS') != "1":
            self._create_devfs()

        self._uninstall_unneeded()

        if self.progress_reporter:
            self.progress_reporter.next_stage()

        self._insert_feed_uris()

        self._run_ldconfig()

        if self.d.getVar('USE_DEPMOD') != "0":
            self._generate_kernel_module_deps()

        self._cleanup()
        self._log_check()

        if self.progress_reporter:
            self.progress_reporter.next_stage()


    def _uninstall_unneeded(self):
        # Remove the run-postinsts package if no delayed postinsts are found
        delayed_postinsts = self._get_delayed_postinsts()
        if delayed_postinsts is None:
            if os.path.exists(self.d.expand("${IMAGE_ROOTFS}${sysconfdir}/init.d/run-postinsts")) or os.path.exists(self.d.expand("${IMAGE_ROOTFS}${systemd_system_unitdir}/run-postinsts.service")):
                self.pm.remove(["run-postinsts"])

        image_rorfs = bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs",
                                        True, False, self.d)
        image_rorfs_force = self.d.getVar('FORCE_RO_REMOVE')

        if image_rorfs or image_rorfs_force == "1":
            # Remove components that we don't need if it's a read-only rootfs
            unneeded_pkgs = self.d.getVar("ROOTFS_RO_UNNEEDED").split()
            pkgs_installed = image_list_installed_packages(self.d)
            # Make sure update-alternatives is removed last. This is
            # because its database has to available while uninstalling
            # other packages, allowing alternative symlinks of packages
            # to be uninstalled or to be managed correctly otherwise.
            provider = self.d.getVar("VIRTUAL-RUNTIME_update-alternatives")
            pkgs_to_remove = sorted([pkg for pkg in pkgs_installed if pkg in unneeded_pkgs], key=lambda x: x == provider)

            # update-alternatives provider is removed in its own remove()
            # call because all package managers do not guarantee the packages
            # are removed in the order they given in the list (which is
            # passed to the command line). The sorting done earlier is
            # utilized to implement the 2-stage removal.
            if len(pkgs_to_remove) > 1:
                self.pm.remove(pkgs_to_remove[:-1], False)
            if len(pkgs_to_remove) > 0:
                self.pm.remove([pkgs_to_remove[-1]], False)

        if delayed_postinsts:
            self._save_postinsts()
            if image_rorfs:
                bb.warn("There are post install scripts "
                        "in a read-only rootfs")

        post_uninstall_cmds = self.d.getVar("ROOTFS_POSTUNINSTALL_COMMAND")
        execute_pre_post_process(self.d, post_uninstall_cmds)

        runtime_pkgmanage = bb.utils.contains("IMAGE_FEATURES", "package-management",
                                              True, False, self.d)
        if not runtime_pkgmanage:
            # Remove the package manager data files
            self.pm.remove_packaging_data()

    def _run_ldconfig(self):
        if self.d.getVar('LDCONFIGDEPEND'):
            bb.note("Executing: ldconfig -r " + self.image_rootfs + " -c new -v -X")
            self._exec_shell_cmd(['ldconfig', '-r', self.image_rootfs, '-c',
                                  'new', '-v', '-X'])

        image_rorfs = bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs",
                                        True, False, self.d)
        ldconfig_in_features = bb.utils.contains("DISTRO_FEATURES", "ldconfig",
                                                 True, False, self.d)
        if image_rorfs or not ldconfig_in_features:
            ldconfig_cache_dir = os.path.join(self.image_rootfs, "var/cache/ldconfig")
            if os.path.exists(ldconfig_cache_dir):
                bb.note("Removing ldconfig auxiliary cache...")
                shutil.rmtree(ldconfig_cache_dir)

    def _check_for_kernel_modules(self, modules_dir):
        for root, dirs, files in os.walk(modules_dir, topdown=True):
            for name in files:
                found_ko = name.endswith((".ko", ".ko.gz", ".ko.xz", ".ko.zst"))
                if found_ko:
                    return found_ko
        return False

    def _generate_kernel_module_deps(self):
        modules_dir = os.path.join(self.image_rootfs, 'lib', 'modules')
        # if we don't have any modules don't bother to do the depmod
        if not self._check_for_kernel_modules(modules_dir):
            bb.note("No Kernel Modules found, not running depmod")
            return

        kernel_abi_ver_file = oe.path.join(self.d.getVar('PKGDATA_DIR'), "kernel-depmod",
                                           'kernel-abiversion')
        if not os.path.exists(kernel_abi_ver_file):
            bb.fatal("No kernel-abiversion file found (%s), cannot run depmod, aborting" % kernel_abi_ver_file)

        with open(kernel_abi_ver_file) as f:
            kernel_ver = f.read().strip(' \n')

        versioned_modules_dir = os.path.join(self.image_rootfs, modules_dir, kernel_ver)

        bb.utils.mkdirhier(versioned_modules_dir)

        self._exec_shell_cmd(['depmodwrapper', '-a', '-b', self.image_rootfs, kernel_ver])

    """
    Create devfs:
    * IMAGE_DEVICE_TABLE is the old name to an absolute path to a device table file
    * IMAGE_DEVICE_TABLES is a new name for a file, or list of files, seached
      for in the BBPATH
    If neither are specified then the default name of files/device_table-minimal.txt
    is searched for in the BBPATH (same as the old version.)
    """
    def _create_devfs(self):
        devtable_list = []
        devtable = self.d.getVar('IMAGE_DEVICE_TABLE')
        if devtable is not None:
            devtable_list.append(devtable)
        else:
            devtables = self.d.getVar('IMAGE_DEVICE_TABLES')
            if devtables is None:
                devtables = 'files/device_table-minimal.txt'
            for devtable in devtables.split():
                devtable_list.append("%s" % bb.utils.which(self.d.getVar('BBPATH'), devtable))

        for devtable in devtable_list:
            self._exec_shell_cmd(["makedevs", "-r",
                                  self.image_rootfs, "-D", devtable])


def get_class_for_type(imgtype):
    import importlib
    mod = importlib.import_module('oe.package_manager.' + imgtype + '.rootfs')
    return mod.PkgRootfs

def variable_depends(d, manifest_dir=None):
    img_type = d.getVar('IMAGE_PKGTYPE')
    cls = get_class_for_type(img_type)
    return cls._depends_list()

def create_rootfs(d, manifest_dir=None, progress_reporter=None, logcatcher=None):
    env_bkp = os.environ.copy()

    img_type = d.getVar('IMAGE_PKGTYPE')

    cls = get_class_for_type(img_type)
    cls(d, manifest_dir, progress_reporter, logcatcher).create()
    os.environ.clear()
    os.environ.update(env_bkp)


def image_list_installed_packages(d, rootfs_dir=None):
    # Theres no rootfs for baremetal images
    if bb.data.inherits_class('baremetal-image', d):
        return ""

    if not rootfs_dir:
        rootfs_dir = d.getVar('IMAGE_ROOTFS')

    img_type = d.getVar('IMAGE_PKGTYPE')

    import importlib
    cls = importlib.import_module('oe.package_manager.' + img_type)
    return cls.PMPkgsList(d, rootfs_dir).list_pkgs()

if __name__ == "__main__":
    """
    We should be able to run this as a standalone script, from outside bitbake
    environment.
    """
    """
    TBD
    """