summaryrefslogtreecommitdiffstats
path: root/bitbake/lib/toaster/bldcontrol/localhostbecontroller.py
blob: d0f86325e9d391cfd1b354495909353438ea736a (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
#
# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# BitBake Toaster Implementation
#
# Copyright (C) 2014        Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 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 warranty of
# MERCHANTABILITY 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


import os
import sys
import re
from django.db import transaction
from django.db.models import Q
from bldcontrol.models import BuildEnvironment, BRLayer, BRVariable, BRTarget, BRBitbake
import subprocess

from toastermain import settings

from bbcontroller import BuildEnvironmentController, ShellCmdException, BuildSetupException

import logging
logger = logging.getLogger("toaster")

from pprint import pprint, pformat

class LocalhostBEController(BuildEnvironmentController):
    """ Implementation of the BuildEnvironmentController for the localhost;
        this controller manages the default build directory,
        the server setup and system start and stop for the localhost-type build environment

    """

    def __init__(self, be):
        super(LocalhostBEController, self).__init__(be)
        self.dburl = settings.getDATABASE_URL()
        self.pokydirname = None
        self.islayerset = False

    def _shellcmd(self, command, cwd = None):
        if cwd is None:
            cwd = self.be.sourcedir

        #logger.debug("lbc_shellcmmd: (%s) %s" % (cwd, command))
        p = subprocess.Popen(command, cwd = cwd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        (out,err) = p.communicate()
        p.wait()
        if p.returncode:
            if len(err) == 0:
                err = "command: %s \n%s" % (command, out)
            else:
                err = "command: %s \n%s" % (command, err)
            #logger.warn("localhostbecontroller: shellcmd error %s" % err)
            raise ShellCmdException(err)
        else:
            #logger.debug("localhostbecontroller: shellcmd success")
            return out

    def _createdirpath(self, path):
        from os.path import dirname as DN
        if path == "":
            raise Exception("Invalid path creation specified.")
        if not os.path.exists(DN(path)):
            self._createdirpath(DN(path))
        if not os.path.exists(path):
            os.mkdir(path, 0755)

    def _setupBE(self):
        assert self.pokydirname and os.path.exists(self.pokydirname)
        self._createdirpath(self.be.builddir)
        self._shellcmd("bash -c \"source %s/oe-init-build-env %s\"" % (self.pokydirname, self.be.builddir))
        # delete the templateconf.cfg; it may come from an unsupported layer configuration
        os.remove(os.path.join(self.be.builddir, "conf/templateconf.cfg"))


    def writeConfFile(self, file_name, variable_list = None, raw = None):
        filepath = os.path.join(self.be.builddir, file_name)
        with open(filepath, "w") as conffile:
            if variable_list is not None:
                for i in variable_list:
                    conffile.write("%s=\"%s\"\n" % (i.name, i.value))
            if raw is not None:
                conffile.write(raw)


    def startBBServer(self):
        assert self.pokydirname and os.path.exists(self.pokydirname)
        assert self.islayerset

        # find our own toasterui listener/bitbake
        from toaster.bldcontrol.management.commands.loadconf import _reduce_canon_path

        own_bitbake = _reduce_canon_path(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../../../bin/bitbake"))

        assert os.path.exists(own_bitbake) and os.path.isfile(own_bitbake)

        logger.debug("localhostbecontroller: running the listener at %s" % own_bitbake)

        toaster_ui_log_filepath = os.path.join(self.be.builddir, "toaster_ui.log")
        # get the file length; we need to detect the _last_ start of the toaster UI, not the first
        toaster_ui_log_filelength = 0
        if os.path.exists(toaster_ui_log_filepath):
            with open(toaster_ui_log_filepath, "r") as f:
                f.seek(0, 2)    # jump to the end
                toaster_ui_log_filelength = f.tell()

        cmd = "bash -c \"source %s/oe-init-build-env %s 2>&1 >toaster_server.log && bitbake --read %s/conf/toaster-pre.conf --postread %s/conf/toaster.conf --server-only -t xmlrpc -B 0.0.0.0:0 2>&1 >>toaster_server.log \"" % (self.pokydirname, self.be.builddir, self.be.builddir, self.be.builddir)

        port = "-1"
        logger.debug("localhostbecontroller: starting builder \n%s\n" % cmd)

        cmdoutput = self._shellcmd(cmd)
        with open(self.be.builddir + "/toaster_server.log", "r") as f:
            for i in f.readlines():
                if i.startswith("Bitbake server address"):
                    port = i.split(" ")[-1]
                    logger.debug("localhostbecontroller: Found bitbake server port %s" % port)

        cmd = "bash -c \"source %s/oe-init-build-env-memres -1 %s && DATABASE_URL=%s %s --observe-only -u toasterui --remote-server=0.0.0.0:-1 -t xmlrpc\"" % (self.pokydirname, self.be.builddir, self.dburl, own_bitbake)
        with open(toaster_ui_log_filepath, "a+") as f:
            p = subprocess.Popen(cmd, cwd = self.be.builddir, shell=True, stdout=f, stderr=f)

        def _toaster_ui_started(filepath, filepos = 0):
            if not os.path.exists(filepath):
                return False
            with open(filepath, "r") as f:
                f.seek(filepos)
                for line in f:
                    if line.startswith("NOTE: ToasterUI waiting for events"):
                        return True
            return False

        retries = 0
        started = False
        while not started and retries < 10:
            started = _toaster_ui_started(toaster_ui_log_filepath, toaster_ui_log_filelength)
            import time
            logger.debug("localhostbecontroller: Waiting bitbake server to start")
            time.sleep(0.5)
            retries += 1

        if not started:
            toaster_ui_log = open(os.path.join(self.be.builddir, "toaster_ui.log"), "r").read()
            toaster_server_log = open(os.path.join(self.be.builddir, "toaster_server.log"), "r").read()
            raise BuildSetupException("localhostbecontroller: Bitbake server did not start in 5 seconds, aborting (Error: '%s' '%s')" % (toaster_ui_log, toaster_server_log))

        logger.debug("localhostbecontroller: Started bitbake server")

        while port == "-1":
            # the port specification is "autodetect"; read the bitbake.lock file
            with open("%s/bitbake.lock" % self.be.builddir, "r") as f:
                for line in f.readlines():
                    if ":" in line:
                        port = line.split(":")[1].strip()
                        logger.debug("localhostbecontroller: Autodetected bitbake port %s", port)
                        break

        assert self.be.sourcedir and os.path.exists(self.be.builddir)
        self.be.bbaddress = "localhost"
        self.be.bbport = port
        self.be.bbstate = BuildEnvironment.SERVER_STARTED
        self.be.save()

    def stopBBServer(self):
        assert self.pokydirname and os.path.exists(self.pokydirname)
        assert self.islayerset
        self._shellcmd("bash -c \"source %s/oe-init-build-env %s && %s source toaster stop\"" %
            (self.pokydirname, self.be.builddir, (lambda: "" if self.be.bbtoken is None else "BBTOKEN=%s" % self.be.bbtoken)()))
        self.be.bbstate = BuildEnvironment.SERVER_STOPPED
        self.be.save()
        logger.debug("localhostbecontroller: Stopped bitbake server")

    def getGitCloneDirectory(self, url, branch):
        """ Utility that returns the last component of a git path as directory
        """
        import re
        components = re.split(r'[:\.\/]', url)
        base = components[-2] if components[-1] == "git" else components[-1]

        if branch != "HEAD":
            return "_%s_%s.toaster_cloned" % (base, branch)


        # word of attention; this is a localhost-specific issue; only on the localhost we expect to have "HEAD" releases
        # which _ALWAYS_ means the current poky checkout
        from os.path import dirname as DN
        local_checkout_path = DN(DN(DN(DN(DN(os.path.abspath(__file__))))))
        #logger.debug("localhostbecontroller: using HEAD checkout in %s" % local_checkout_path)
        return local_checkout_path


    def setLayers(self, bitbakes, layers):
        """ a word of attention: by convention, the first layer for any build will be poky! """

        assert self.be.sourcedir is not None
        assert len(bitbakes) == 1
        # set layers in the layersource

        # 1. get a list of repos with branches, and map dirpaths for each layer
        gitrepos = {}

        gitrepos[(bitbakes[0].giturl, bitbakes[0].commit)] = []
        gitrepos[(bitbakes[0].giturl, bitbakes[0].commit)].append( ("bitbake", bitbakes[0].dirpath) )

        for layer in layers:
            # we don't process local URLs
            if layer.giturl.startswith("file://"):
                continue
            if not (layer.giturl, layer.commit) in gitrepos:
                gitrepos[(layer.giturl, layer.commit)] = []
            gitrepos[(layer.giturl, layer.commit)].append( (layer.name, layer.dirpath) )


        logger.debug("localhostbecontroller, our git repos are %s" % pformat(gitrepos))


        # 2. find checked-out git repos in the sourcedir directory that may help faster cloning

        cached_layers = {}
        for ldir in os.listdir(self.be.sourcedir):
            fldir = os.path.join(self.be.sourcedir, ldir)
            if os.path.isdir(fldir):
                try:
                    for line in self._shellcmd("git remote -v", fldir).split("\n"):
                        try:
                            remote = line.split("\t")[1].split(" ")[0]
                            if remote not in cached_layers:
                                cached_layers[remote] = fldir
                        except IndexError:
                            pass
                except ShellCmdException:
                    # ignore any errors in collecting git remotes
                    pass

        layerlist = []


        # 3. checkout the repositories
        for giturl, commit in gitrepos.keys():
            localdirname = os.path.join(self.be.sourcedir, self.getGitCloneDirectory(giturl, commit))
            logger.debug("localhostbecontroller: giturl %s:%s checking out in current directory %s" % (giturl, commit, localdirname))

            # make sure our directory is a git repository
            if os.path.exists(localdirname):
                localremotes = self._shellcmd("git remote -v", localdirname)
                if not giturl in localremotes:
                    raise BuildSetupException("Existing git repository at %s, but with different remotes ('%s', expected '%s'). Toaster will not continue out of fear of damaging something." % (localdirname, ", ".join(localremotes.split("\n")), giturl))
            else:
                if giturl in cached_layers:
                    logger.debug("localhostbecontroller git-copying %s to %s" % (cached_layers[giturl], localdirname))
                    self._shellcmd("git clone \"%s\" \"%s\"" % (cached_layers[giturl], localdirname))
                    self._shellcmd("git remote remove origin", localdirname)
                    self._shellcmd("git remote add origin \"%s\"" % giturl, localdirname)
                else:
                    logger.debug("localhostbecontroller: cloning %s:%s in %s" % (giturl, commit, localdirname))
                    self._shellcmd("git clone \"%s\" --single-branch --branch \"%s\" \"%s\"" % (giturl, commit, localdirname))

            # branch magic name "HEAD" will inhibit checkout
            if commit != "HEAD":
                logger.debug("localhostbecontroller: checking out commit %s to %s " % (commit, localdirname))
                self._shellcmd("git fetch --all && git checkout \"%s\" && git rebase \"origin/%s\"" % (commit, commit) , localdirname)

            # take the localdirname as poky dir if we can find the oe-init-build-env
            if self.pokydirname is None and os.path.exists(os.path.join(localdirname, "oe-init-build-env")):
                logger.debug("localhostbecontroller: selected poky dir name %s" % localdirname)
                self.pokydirname = localdirname

                # make sure we have a working bitbake
                if not os.path.exists(os.path.join(self.pokydirname, 'bitbake')):
                    logger.debug("localhostbecontroller: checking bitbake into the poky dirname %s " % self.pokydirname)
                    self._shellcmd("git clone -b \"%s\" \"%s\" \"%s\" " % (bitbakes[0].commit, bitbakes[0].giturl, os.path.join(self.pokydirname, 'bitbake')))

            # verify our repositories
            for name, dirpath in gitrepos[(giturl, commit)]:
                localdirpath = os.path.join(localdirname, dirpath)
                logger.debug("localhostbecontroller: localdirpath expected '%s'" % localdirpath)
                if not os.path.exists(localdirpath):
                    raise BuildSetupException("Cannot find layer git path '%s' in checked out repository '%s:%s'. Aborting." % (localdirpath, giturl, commit))

                if name != "bitbake":
                    layerlist.append(localdirpath.rstrip("/"))

        logger.debug("localhostbecontroller: current layer list %s " % pformat(layerlist))

        # 4. configure the build environment, so we have a conf/bblayers.conf
        assert self.pokydirname is not None
        self._setupBE()

        # 5. update the bblayers.conf
        bblayerconf = os.path.join(self.be.builddir, "conf/bblayers.conf")
        if not os.path.exists(bblayerconf):
            raise BuildSetupException("BE is not consistent: bblayers.conf file missing at %s" % bblayerconf)

        BuildEnvironmentController._updateBBLayers(bblayerconf, layerlist)

        self.islayerset = True
        return True

    def readServerLogFile(self):
        return open(os.path.join(self.be.builddir, "toaster_server.log"), "r").read()

    def release(self):
        assert self.be.sourcedir and os.path.exists(self.be.builddir)
        import shutil
        shutil.rmtree(os.path.join(self.be.sourcedir, "build"))
        assert not os.path.exists(self.be.builddir)


    def triggerBuild(self, bitbake, layers, variables, targets):
        # set up the buid environment with the needed layers
        self.setLayers(bitbake, layers)
        self.writeConfFile("conf/toaster-pre.conf", )
        self.writeConfFile("conf/toaster.conf", raw = "INHERIT+=\"toaster buildhistory\"")

        # get the bb server running with the build req id and build env id
        bbctrl = self.getBBController()

        # trigger the build command
        task = reduce(lambda x, y: x if len(y)== 0 else y, map(lambda y: y.task, targets))
        if len(task) == 0:
            task = None

        bbctrl.build(list(map(lambda x:x.target, targets)), task)

        logger.debug("localhostbecontroller: Build launched, exiting. Follow build logs at %s/toaster_ui.log" % self.be.builddir)

        # disconnect from the server
        bbctrl.disconnect()