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1 | #!/usr/bin/python | |
2 | ||
3 | from __future__ import absolute_import, division | |
4 | ||
5 | import datetime | |
6 | import hashlib | |
7 | import logging | |
8 | import random | |
9 | import string | |
10 | import time | |
11 | ||
12 | from . import base | |
13 | from . import logs | |
14 | ||
15 | from .decorators import * | |
16 | ||
17 | from .users import generate_password_hash, check_password_hash, generate_random_string | |
18 | ||
19 | class Builders(base.Object): | |
20 | def _get_builder(self, query, *args): | |
21 | res = self.db.get(query, *args) | |
22 | ||
23 | if res: | |
24 | return Builder(self.backend, res.id, data=res) | |
25 | ||
26 | def _get_builders(self, query, *args): | |
27 | res = self.db.query(query, *args) | |
28 | ||
29 | for row in res: | |
30 | yield Builder(self.backend, row.id, data=row) | |
31 | ||
32 | def __iter__(self): | |
33 | builders = self._get_builders("SELECT * FROM builders \ | |
34 | WHERE deleted IS FALSE ORDER BY name") | |
35 | ||
36 | return iter(builders) | |
37 | ||
38 | def create(self, name, user=None, log=True): | |
39 | """ | |
40 | Creates a new builder. | |
41 | """ | |
42 | builder = self._get_builder("INSERT INTO builders(name) \ | |
43 | VALUES(%s) RETURNING *", name) | |
44 | ||
45 | # Generate a new passphrase. | |
46 | passphrase = builder.regenerate_passphrase() | |
47 | ||
48 | # Log what we have done. | |
49 | if log: | |
50 | builder.log("created", user=user) | |
51 | ||
52 | # The Builder object and the passphrase are returned. | |
53 | return builder, passphrase | |
54 | ||
55 | def auth(self, name, passphrase): | |
56 | # If either name or passphrase is None, we don't check at all. | |
57 | if None in (name, passphrase): | |
58 | return | |
59 | ||
60 | # Search for the hostname in the database. | |
61 | builder = self._get_builder("SELECT * FROM builders \ | |
62 | WHERE name = %s AND deleted IS FALSE", name) | |
63 | ||
64 | # If the builder was not found or the passphrase does not match, | |
65 | # you have bad luck. | |
66 | if not builder or not builder.validate_passphrase(passphrase): | |
67 | return | |
68 | ||
69 | # Otherwise we return the Builder object. | |
70 | return builder | |
71 | ||
72 | def get_by_id(self, builder_id): | |
73 | return self._get_builder("SELECT * FROM builders WHERE id = %s", builder_id) | |
74 | ||
75 | def get_by_name(self, name): | |
76 | return self._get_builder("SELECT * FROM builders \ | |
77 | WHERE name = %s AND deleted IS FALSE", name) | |
78 | ||
79 | def get_load(self): | |
80 | res1 = self.db.get("SELECT SUM(max_jobs) AS max_jobs FROM builders \ | |
81 | WHERE enabled IS TRUE and deleted IS FALSE") | |
82 | ||
83 | res2 = self.db.get("SELECT COUNT(*) AS count FROM jobs \ | |
84 | WHERE state = 'dispatching' OR state = 'running' OR state = 'uploading'") | |
85 | ||
86 | try: | |
87 | return (res2.count * 100 / res1.max_jobs) | |
88 | except: | |
89 | return 0 | |
90 | ||
91 | def get_history(self, limit=None, offset=None, builder=None, user=None): | |
92 | query = "SELECT * FROM builders_history" | |
93 | args = [] | |
94 | ||
95 | conditions = [] | |
96 | ||
97 | if builder: | |
98 | conditions.append("builder_id = %s") | |
99 | args.append(builder.id) | |
100 | ||
101 | if user: | |
102 | conditions.append("user_id = %s") | |
103 | args.append(user.id) | |
104 | ||
105 | if conditions: | |
106 | query += " WHERE %s" % " AND ".join(conditions) | |
107 | ||
108 | query += " ORDER BY time DESC" | |
109 | ||
110 | if limit: | |
111 | if offset: | |
112 | query += " LIMIT %s,%s" | |
113 | args += [offset, limit,] | |
114 | else: | |
115 | query += " LIMIT %s" | |
116 | args += [limit,] | |
117 | ||
118 | entries = [] | |
119 | for entry in self.db.query(query, *args): | |
120 | entry = logs.BuilderLogEntry(self.pakfire, entry) | |
121 | entries.append(entry) | |
122 | ||
123 | return entries | |
124 | ||
125 | ||
126 | class Builder(base.DataObject): | |
127 | table = "builders" | |
128 | ||
129 | def __eq__(self, other): | |
130 | if isinstance(other, self.__class__): | |
131 | return self.id == other.id | |
132 | ||
133 | def __lt__(self, other): | |
134 | if isinstance(other, self.__class__): | |
135 | return self.name < other.name | |
136 | ||
137 | def log(self, action, user=None): | |
138 | user_id = None | |
139 | if user: | |
140 | user_id = user.id | |
141 | ||
142 | self.db.execute("INSERT INTO builders_history(builder_id, action, user_id, time) \ | |
143 | VALUES(%s, %s, %s, NOW())", self.id, action, user_id) | |
144 | ||
145 | def regenerate_passphrase(self): | |
146 | """ | |
147 | Generates a new random passphrase and stores it as a salted hash | |
148 | to the database. | |
149 | ||
150 | The new passphrase is returned to be sent to the user (once). | |
151 | """ | |
152 | # Generate a random string with 40 chars. | |
153 | passphrase = generate_random_string(length=40) | |
154 | ||
155 | # Create salted hash. | |
156 | passphrase_hash = generate_password_hash(passphrase) | |
157 | ||
158 | # Store the hash in the database. | |
159 | self._set_attribute("passphrase", passphrase_hash) | |
160 | ||
161 | # Return the clear-text passphrase. | |
162 | return passphrase | |
163 | ||
164 | def validate_passphrase(self, passphrase): | |
165 | """ | |
166 | Compare the given passphrase with the one stored in the database. | |
167 | """ | |
168 | return check_password_hash(passphrase, self.data.passphrase) | |
169 | ||
170 | # Description | |
171 | ||
172 | def set_description(self, description): | |
173 | self._set_attribute("description", description) | |
174 | ||
175 | description = property(lambda s: s.data.description or "", set_description) | |
176 | ||
177 | @property | |
178 | def keepalive(self): | |
179 | """ | |
180 | Returns time of last keepalive message from this host. | |
181 | """ | |
182 | return self.data.time_keepalive | |
183 | ||
184 | def update_keepalive(self, loadavg1=None, loadavg5=None, loadavg15=None, | |
185 | mem_total=None, mem_free=None, swap_total=None, swap_free=None, | |
186 | space_free=None): | |
187 | """ | |
188 | Update the keepalive timestamp of this machine. | |
189 | """ | |
190 | self.db.execute("UPDATE builders SET time_keepalive = NOW(), \ | |
191 | loadavg1 = %s, loadavg5 = %s, loadavg15 = %s, space_free = %s, \ | |
192 | mem_total = %s, mem_free = %s, swap_total = %s, swap_free = %s \ | |
193 | WHERE id = %s", loadavg1, loadavg5, loadavg15, space_free, | |
194 | mem_total, mem_free, swap_total, swap_free, self.id) | |
195 | ||
196 | def update_info(self, cpu_model=None, cpu_count=None, cpu_arch=None, cpu_bogomips=None, | |
197 | pakfire_version=None, host_key=None, os_name=None): | |
198 | # Update all the rest. | |
199 | self.db.execute("UPDATE builders SET time_updated = NOW(), \ | |
200 | pakfire_version = %s, cpu_model = %s, cpu_count = %s, cpu_arch = %s, \ | |
201 | cpu_bogomips = %s, host_key_id = %s, os_name = %s WHERE id = %s", | |
202 | pakfire_version, cpu_model, cpu_count, cpu_arch, cpu_bogomips, | |
203 | host_key, os_name, self.id) | |
204 | ||
205 | def set_enabled(self, enabled): | |
206 | self._set_attribute("enabled", enabled) | |
207 | ||
208 | enabled = property(lambda s: s.data.enabled, set_enabled) | |
209 | ||
210 | @property | |
211 | def disabled(self): | |
212 | return not self.enabled | |
213 | ||
214 | @property | |
215 | def native_arch(self): | |
216 | """ | |
217 | The native architecture of this builder | |
218 | """ | |
219 | return self.cpu_arch | |
220 | ||
221 | @lazy_property | |
222 | def supported_arches(self): | |
223 | # Every builder supports noarch | |
224 | arches = ["noarch"] | |
225 | ||
226 | # We can always build our native architeture | |
227 | if self.native_arch: | |
228 | arches.append(self.native_arch) | |
229 | ||
230 | # Get all compatible architectures | |
231 | res = self.db.query("SELECT build_arch FROM arches_compat \ | |
232 | WHERE native_arch = %s", self.native_arch) | |
233 | ||
234 | for row in res: | |
235 | if not row.build_arch in arches: | |
236 | arches.append(row.build_arch) | |
237 | ||
238 | return sorted(arches) | |
239 | ||
240 | def set_testmode(self, testmode): | |
241 | self._set_attribute("testmode", testmode) | |
242 | ||
243 | testmode = property(lambda s: s.data.testmode, set_testmode) | |
244 | ||
245 | def set_max_jobs(self, value): | |
246 | self._set_attribute("max_jobs", value) | |
247 | ||
248 | max_jobs = property(lambda s: s.data.max_jobs, set_max_jobs) | |
249 | ||
250 | @property | |
251 | def name(self): | |
252 | return self.data.name | |
253 | ||
254 | @property | |
255 | def hostname(self): | |
256 | return self.name | |
257 | ||
258 | @property | |
259 | def passphrase(self): | |
260 | return self.data.passphrase | |
261 | ||
262 | # Load average | |
263 | ||
264 | @property | |
265 | def loadavg(self): | |
266 | return ", ".join(["%.2f" % l for l in (self.loadavg1, self.loadavg5, self.loadavg15)]) | |
267 | ||
268 | @property | |
269 | def loadavg1(self): | |
270 | return self.data.loadavg1 or 0.0 | |
271 | ||
272 | @property | |
273 | def loadavg5(self): | |
274 | return self.data.loadavg5 or 0.0 | |
275 | ||
276 | @property | |
277 | def loadavg15(self): | |
278 | return self.data.loadavg15 or 0.0 | |
279 | ||
280 | @property | |
281 | def pakfire_version(self): | |
282 | return self.data.pakfire_version or "" | |
283 | ||
284 | @property | |
285 | def os_name(self): | |
286 | return self.data.os_name or "" | |
287 | ||
288 | @property | |
289 | def cpu_model(self): | |
290 | return self.data.cpu_model or "" | |
291 | ||
292 | @property | |
293 | def cpu_count(self): | |
294 | return self.data.cpu_count | |
295 | ||
296 | @property | |
297 | def cpu_arch(self): | |
298 | return self.data.cpu_arch | |
299 | ||
300 | @property | |
301 | def cpu_bogomips(self): | |
302 | return self.data.cpu_bogomips or 0.0 | |
303 | ||
304 | @property | |
305 | def mem_percentage(self): | |
306 | if not self.mem_total: | |
307 | return None | |
308 | ||
309 | return self.mem_used * 100 / self.mem_total | |
310 | ||
311 | @property | |
312 | def mem_total(self): | |
313 | return self.data.mem_total | |
314 | ||
315 | @property | |
316 | def mem_used(self): | |
317 | if self.mem_total and self.mem_free: | |
318 | return self.mem_total - self.mem_free | |
319 | ||
320 | @property | |
321 | def mem_free(self): | |
322 | return self.data.mem_free | |
323 | ||
324 | @property | |
325 | def swap_percentage(self): | |
326 | if not self.swap_total: | |
327 | return None | |
328 | ||
329 | return self.swap_used * 100 / self.swap_total | |
330 | ||
331 | @property | |
332 | def swap_total(self): | |
333 | return self.data.swap_total | |
334 | ||
335 | @property | |
336 | def swap_used(self): | |
337 | if self.swap_total and self.swap_free: | |
338 | return self.swap_total - self.swap_free | |
339 | ||
340 | @property | |
341 | def swap_free(self): | |
342 | return self.data.swap_free | |
343 | ||
344 | @property | |
345 | def space_free(self): | |
346 | return self.data.space_free | |
347 | ||
348 | @property | |
349 | def overload(self): | |
350 | if not self.cpu_count or not self.loadavg1: | |
351 | return None | |
352 | ||
353 | return self.loadavg1 >= self.cpu_count | |
354 | ||
355 | @property | |
356 | def host_key_id(self): | |
357 | return self.data.host_key_id | |
358 | ||
359 | @property | |
360 | def state(self): | |
361 | if self.disabled: | |
362 | return "disabled" | |
363 | ||
364 | if self.data.time_keepalive is None: | |
365 | return "offline" | |
366 | ||
367 | #if self.data.updated >= 5*60: | |
368 | # return "offline" | |
369 | ||
370 | return "online" | |
371 | ||
372 | @lazy_property | |
373 | def active_jobs(self, *args, **kwargs): | |
374 | return self.pakfire.jobs.get_active(builder=self, *args, **kwargs) | |
375 | ||
376 | @property | |
377 | def too_many_jobs(self): | |
378 | """ | |
379 | Tell if this host is already running enough or too many jobs. | |
380 | """ | |
381 | return len(self.active_jobs) >= self.max_jobs | |
382 | ||
383 | @lazy_property | |
384 | def jobqueue(self): | |
385 | return self.backend.jobqueue.for_arches(self.supported_arches) | |
386 | ||
387 | def get_next_job(self): | |
388 | """ | |
389 | Returns the next job in line for this builder. | |
390 | """ | |
391 | # Don't send any jobs to disabled builders | |
392 | if not self.enabled: | |
393 | return | |
394 | ||
395 | # Don't return anything if the builder has already too many jobs running | |
396 | if self.too_many_jobs: | |
397 | return | |
398 | ||
399 | for job in self.jobqueue: | |
400 | # Only allow building test jobs in test mode | |
401 | if self.testmode and not job.test: | |
402 | continue | |
403 | ||
404 | return job | |
405 | ||
406 | def get_history(self, *args, **kwargs): | |
407 | kwargs["builder"] = self | |
408 | ||
409 | return self.pakfire.builders.get_history(*args, **kwargs) |