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Diffstat (limited to 'bitbake/lib/toaster/bldcontrol/bbcontroller.py')
-rw-r--r-- | bitbake/lib/toaster/bldcontrol/bbcontroller.py | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/bitbake/lib/toaster/bldcontrol/bbcontroller.py b/bitbake/lib/toaster/bldcontrol/bbcontroller.py new file mode 100644 index 0000000000..d2b2a236bd --- /dev/null +++ b/bitbake/lib/toaster/bldcontrol/bbcontroller.py | |||
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1 | # | ||
2 | # ex:ts=4:sw=4:sts=4:et | ||
3 | # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- | ||
4 | # | ||
5 | # BitBake Toaster Implementation | ||
6 | # | ||
7 | # Copyright (C) 2014 Intel Corporation | ||
8 | # | ||
9 | # This program is free software; you can redistribute it and/or modify | ||
10 | # it under the terms of the GNU General Public License version 2 as | ||
11 | # published by the Free Software Foundation. | ||
12 | # | ||
13 | # This program is distributed in the hope that it will be useful, | ||
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | # GNU General Public License for more details. | ||
17 | # | ||
18 | # You should have received a copy of the GNU General Public License along | ||
19 | # with this program; if not, write to the Free Software Foundation, Inc., | ||
20 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
21 | |||
22 | |||
23 | import os | ||
24 | import sys | ||
25 | import re | ||
26 | from django.db import transaction | ||
27 | from django.db.models import Q | ||
28 | from bldcontrol.models import BuildEnvironment, BRLayer, BRVariable, BRTarget | ||
29 | import subprocess | ||
30 | |||
31 | from toastermain import settings | ||
32 | |||
33 | |||
34 | # load Bitbake components | ||
35 | path = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))) | ||
36 | sys.path.insert(0, path) | ||
37 | import bb.server.xmlrpc | ||
38 | |||
39 | class BitbakeController(object): | ||
40 | """ This is the basic class that controlls a bitbake server. | ||
41 | It is outside the scope of this class on how the server is started and aquired | ||
42 | """ | ||
43 | |||
44 | def __init__(self, connection): | ||
45 | self.connection = connection | ||
46 | |||
47 | def _runCommand(self, command): | ||
48 | result, error = self.connection.connection.runCommand(command) | ||
49 | if error: | ||
50 | raise Exception(error) | ||
51 | return result | ||
52 | |||
53 | def disconnect(self): | ||
54 | return self.connection.removeClient() | ||
55 | |||
56 | def setVariable(self, name, value): | ||
57 | return self._runCommand(["setVariable", name, value]) | ||
58 | |||
59 | def build(self, targets, task = None): | ||
60 | if task is None: | ||
61 | task = "build" | ||
62 | return self._runCommand(["buildTargets", targets, task]) | ||
63 | |||
64 | |||
65 | |||
66 | def getBuildEnvironmentController(**kwargs): | ||
67 | """ Gets you a BuildEnvironmentController that encapsulates a build environment, | ||
68 | based on the query dictionary sent in. | ||
69 | |||
70 | This is used to retrieve, for example, the currently running BE from inside | ||
71 | the toaster UI, or find a new BE to start a new build in it. | ||
72 | |||
73 | The return object MUST always be a BuildEnvironmentController. | ||
74 | """ | ||
75 | be = BuildEnvironment.objects.filter(Q(**kwargs))[0] | ||
76 | if be.betype == BuildEnvironment.TYPE_LOCAL: | ||
77 | return LocalhostBEController(be) | ||
78 | elif be.betype == BuildEnvironment.TYPE_SSH: | ||
79 | return SSHBEController(be) | ||
80 | else: | ||
81 | raise Exception("FIXME: Implement BEC for type %s" % str(be.betype)) | ||
82 | |||
83 | |||
84 | |||
85 | class BuildEnvironmentController(object): | ||
86 | """ BuildEnvironmentController (BEC) is the abstract class that defines the operations that MUST | ||
87 | or SHOULD be supported by a Build Environment. It is used to establish the framework, and must | ||
88 | not be instantiated directly by the user. | ||
89 | |||
90 | Use the "getBuildEnvironmentController()" function to get a working BEC for your remote. | ||
91 | |||
92 | How the BuildEnvironments are discovered is outside the scope of this class. | ||
93 | |||
94 | You must derive this class to teach Toaster how to operate in your own infrastructure. | ||
95 | We provide some specific BuildEnvironmentController classes that can be used either to | ||
96 | directly set-up Toaster infrastructure, or as a model for your own infrastructure set: | ||
97 | |||
98 | * Localhost controller will run the Toaster BE on the same account as the web server | ||
99 | (current user if you are using the the Django development web server) | ||
100 | on the local machine, with the "build/" directory under the "poky/" source checkout directory. | ||
101 | Bash is expected to be available. | ||
102 | |||
103 | * SSH controller will run the Toaster BE on a remote machine, where the current user | ||
104 | can connect without raise Exception("FIXME: implement")word (set up with either ssh-agent or raise Exception("FIXME: implement")phrase-less key authentication) | ||
105 | |||
106 | """ | ||
107 | def __init__(self, be): | ||
108 | """ Takes a BuildEnvironment object as parameter that points to the settings of the BE. | ||
109 | """ | ||
110 | self.be = be | ||
111 | self.connection = None | ||
112 | |||
113 | def startBBServer(self): | ||
114 | """ Starts a BB server with Toaster toasterui set up to record the builds, an no controlling UI. | ||
115 | After this method executes, self.be bbaddress/bbport MUST point to a running and free server, | ||
116 | and the bbstate MUST be updated to "started". | ||
117 | """ | ||
118 | raise Exception("Must override in order to actually start the BB server") | ||
119 | |||
120 | def stopBBServer(self): | ||
121 | """ Stops the currently running BB server. | ||
122 | The bbstate MUST be updated to "stopped". | ||
123 | self.connection must be none. | ||
124 | """ | ||
125 | |||
126 | def setLayers(self,ls): | ||
127 | """ Sets the layer variables in the config file, after validating local layer paths. | ||
128 | The layer paths must be in a list of BRLayer object | ||
129 | """ | ||
130 | raise Exception("Must override setLayers") | ||
131 | |||
132 | |||
133 | def getBBController(self): | ||
134 | """ returns a BitbakeController to an already started server; this is the point where the server | ||
135 | starts if needed; or reconnects to the server if we can | ||
136 | """ | ||
137 | if not self.connection: | ||
138 | self.startBBServer() | ||
139 | self.be.lock = BuildEnvironment.LOCK_RUNNING | ||
140 | self.be.save() | ||
141 | |||
142 | server = bb.server.xmlrpc.BitBakeXMLRPCClient() | ||
143 | server.initServer() | ||
144 | server.saveConnectionDetails("%s:%s" % (self.be.bbaddress, self.be.bbport)) | ||
145 | self.connection = server.establishConnection([]) | ||
146 | |||
147 | self.be.bbtoken = self.connection.transport.connection_token | ||
148 | self.be.save() | ||
149 | |||
150 | return BitbakeController(self.connection) | ||
151 | |||
152 | def getArtifact(path): | ||
153 | """ This call returns an artifact identified by the 'path'. How 'path' is interpreted as | ||
154 | up to the implementing BEC. The return MUST be a REST URL where a GET will actually return | ||
155 | the content of the artifact, e.g. for use as a "download link" in a web UI. | ||
156 | """ | ||
157 | raise Exception("Must return the REST URL of the artifact") | ||
158 | |||
159 | def release(self): | ||
160 | """ This stops the server and releases any resources. After this point, all resources | ||
161 | are un-available for further reference | ||
162 | """ | ||
163 | raise Exception("Must override BE release") | ||
164 | |||
165 | class ShellCmdException(Exception): | ||
166 | pass | ||
167 | |||
168 | class LocalhostBEController(BuildEnvironmentController): | ||
169 | """ Implementation of the BuildEnvironmentController for the localhost; | ||
170 | this controller manages the default build directory, | ||
171 | the server setup and system start and stop for the localhost-type build environment | ||
172 | |||
173 | The address field is used as working directory; if not set, the build/ directory | ||
174 | is created | ||
175 | """ | ||
176 | |||
177 | def __init__(self, be): | ||
178 | super(LocalhostBEController, self).__init__(be) | ||
179 | from os.path import dirname as DN | ||
180 | self.cwd = DN(DN(DN(DN(DN(os.path.realpath(__file__)))))) | ||
181 | if self.be.address is None or len(self.be.address) == 0: | ||
182 | self.be.address = "build" | ||
183 | self.be.save() | ||
184 | self.bwd = self.be.address | ||
185 | self.dburl = settings.getDATABASE_URL() | ||
186 | |||
187 | # transform relative paths to absolute ones | ||
188 | if not self.bwd.startswith("/"): | ||
189 | self.bwd = os.path.join(self.cwd, self.bwd) | ||
190 | self._createBE() | ||
191 | |||
192 | def _shellcmd(self, command): | ||
193 | p = subprocess.Popen(command, cwd=self.cwd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE) | ||
194 | (out,err) = p.communicate() | ||
195 | if p.returncode: | ||
196 | if len(err) == 0: | ||
197 | err = "command: %s" % command | ||
198 | else: | ||
199 | err = "command: %s \n%s" % (command, err) | ||
200 | raise ShellCmdException(err) | ||
201 | else: | ||
202 | return out | ||
203 | |||
204 | def _createBE(self): | ||
205 | assert self.cwd and os.path.exists(self.cwd) | ||
206 | self._shellcmd("bash -c \"source %s/oe-init-build-env %s\"" % (self.cwd, self.bwd)) | ||
207 | |||
208 | def startBBServer(self): | ||
209 | assert self.cwd and os.path.exists(self.cwd) | ||
210 | print self._shellcmd("bash -c \"source %s/oe-init-build-env %s && DATABASE_URL=%s source toaster start noweb && sleep 1\"" % (self.cwd, self.bwd, self.dburl)) | ||
211 | # FIXME unfortunate sleep 1 - we need to make sure that bbserver is started and the toaster ui is connected | ||
212 | # but since they start async without any return, we just wait a bit | ||
213 | print "Started server" | ||
214 | assert self.cwd and os.path.exists(self.bwd) | ||
215 | self.be.bbaddress = "localhost" | ||
216 | self.be.bbport = "8200" | ||
217 | self.be.bbstate = BuildEnvironment.SERVER_STARTED | ||
218 | self.be.save() | ||
219 | |||
220 | def stopBBServer(self): | ||
221 | assert self.cwd | ||
222 | print self._shellcmd("bash -c \"source %s/oe-init-build-env %s && %s source toaster stop\"" % | ||
223 | (self.cwd, self.bwd, (lambda: "" if self.be.bbtoken is None else "BBTOKEN=%s" % self.be.bbtoken)())) | ||
224 | self.be.bbstate = BuildEnvironment.SERVER_STOPPED | ||
225 | self.be.save() | ||
226 | print "Stopped server" | ||
227 | |||
228 | def setLayers(self, layers): | ||
229 | assert self.cwd is not None | ||
230 | layerconf = os.path.join(self.bwd, "conf/bblayers.conf") | ||
231 | if not os.path.exists(layerconf): | ||
232 | raise Exception("BE is not consistent: bblayers.conf file missing at ", layerconf) | ||
233 | return True | ||
234 | |||
235 | def release(self): | ||
236 | assert self.cwd and os.path.exists(self.bwd) | ||
237 | import shutil | ||
238 | shutil.rmtree(os.path.join(self.cwd, "build")) | ||
239 | assert not os.path.exists(self.bwd) | ||