mirror of
https://github.com/golang/go
synced 2024-11-20 08:14:41 -07:00
63d531a83e
Will fill dashboard down the screen instead of up when builders get stuck and resume. Already live. Also delete dead benchmark code. I think it is safe to say that if/when we bring benchmarks back, we will use a different data model. Fixes #1228. R=adg CC=golang-dev https://golang.org/cl/4449059
438 lines
13 KiB
Python
438 lines
13 KiB
Python
# Copyright 2009 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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# This is the server part of the continuous build system for Go. It must be run
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# by AppEngine.
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from google.appengine.api import mail
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from google.appengine.api import memcache
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from google.appengine.ext import db
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from google.appengine.ext import webapp
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from google.appengine.ext.webapp import template
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from google.appengine.ext.webapp.util import run_wsgi_app
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import binascii
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import datetime
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import hashlib
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import hmac
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import logging
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import os
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import re
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import struct
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import time
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import bz2
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# local imports
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import key
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import const
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# The majority of our state are commit objects. One of these exists for each of
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# the commits known to the build system. Their key names are of the form
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# <commit number (%08x)> "-" <hg hash>. This means that a sorting by the key
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# name is sufficient to order the commits.
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#
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# The commit numbers are purely local. They need not match up to the commit
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# numbers in an hg repo. When inserting a new commit, the parent commit must be
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# given and this is used to generate the new commit number. In order to create
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# the first Commit object, a special command (/init) is used.
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class Commit(db.Model):
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num = db.IntegerProperty() # internal, monotonic counter.
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node = db.StringProperty() # Hg hash
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parentnode = db.StringProperty() # Hg hash
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user = db.StringProperty()
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date = db.DateTimeProperty()
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desc = db.BlobProperty()
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# This is the list of builds. Each element is a string of the form <builder
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# name> '`' <log hash>. If the log hash is empty, then the build was
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# successful.
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builds = db.StringListProperty()
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fail_notification_sent = db.BooleanProperty()
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class Cache(db.Model):
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data = db.BlobProperty()
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expire = db.IntegerProperty()
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# A CompressedLog contains the textual build log of a failed build.
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# The key name is the hex digest of the SHA256 hash of the contents.
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# The contents is bz2 compressed.
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class CompressedLog(db.Model):
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log = db.BlobProperty()
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N = 30
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def cache_get(key):
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c = Cache.get_by_key_name(key)
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if c is None or c.expire < time.time():
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return None
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return c.data
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def cache_set(key, val, timeout):
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c = Cache(key_name = key)
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c.data = val
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c.expire = int(time.time() + timeout)
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c.put()
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def cache_del(key):
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c = Cache.get_by_key_name(key)
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if c is not None:
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c.delete()
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def builderInfo(b):
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f = b.split('-', 3)
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goos = f[0]
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goarch = f[1]
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note = ""
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if len(f) > 2:
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note = f[2]
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return {'name': b, 'goos': goos, 'goarch': goarch, 'note': note}
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def builderset():
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q = Commit.all()
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q.order('-__key__')
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results = q.fetch(N)
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builders = set()
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for c in results:
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builders.update(set(parseBuild(build)['builder'] for build in c.builds))
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return builders
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class MainPage(webapp.RequestHandler):
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def get(self):
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self.response.headers['Content-Type'] = 'text/html; charset=utf-8'
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try:
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page = int(self.request.get('p', 1))
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if not page > 0:
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raise
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except:
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page = 1
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try:
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num = int(self.request.get('n', N))
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if num <= 0 or num > 200:
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raise
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except:
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num = N
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offset = (page-1) * num
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q = Commit.all()
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q.order('-__key__')
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results = q.fetch(num, offset)
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revs = [toRev(r) for r in results]
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builders = {}
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for r in revs:
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for b in r['builds']:
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builders[b['builder']] = builderInfo(b['builder'])
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for r in revs:
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have = set(x['builder'] for x in r['builds'])
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need = set(builders.keys()).difference(have)
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for n in need:
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r['builds'].append({'builder': n, 'log':'', 'ok': False})
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r['builds'].sort(cmp = byBuilder)
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builders = list(builders.items())
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builders.sort()
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values = {"revs": revs, "builders": [v for k,v in builders]}
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values['num'] = num
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values['prev'] = page - 1
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if len(results) == num:
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values['next'] = page + 1
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path = os.path.join(os.path.dirname(__file__), 'main.html')
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self.response.out.write(template.render(path, values))
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class GetHighwater(webapp.RequestHandler):
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def get(self):
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builder = self.request.get('builder')
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key = 'todo-%s' % builder
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response = memcache.get(key)
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if response is None:
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# Fell out of memcache. Rebuild from datastore results.
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# We walk the commit list looking for nodes that have not
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# been built by this builder and record the *parents* of those
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# nodes, because each builder builds the revision *after* the
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# one return (because we might not know about the latest
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# revision).
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q = Commit.all()
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q.order('-__key__')
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todo = []
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need = False
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first = None
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for c in q.fetch(N+1):
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if first is None:
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first = c
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if need:
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todo.append(c.node)
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need = not built(c, builder)
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if not todo:
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todo.append(first.node)
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response = ' '.join(todo)
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memcache.set(key, response, 3600)
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self.response.set_status(200)
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if self.request.get('all') != 'yes':
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response = response.split()[0]
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self.response.out.write(response)
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def built(c, builder):
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for b in c.builds:
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if b.startswith(builder+'`'):
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return True
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return False
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def auth(req):
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k = req.get('key')
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return k == hmac.new(key.accessKey, req.get('builder')).hexdigest() or k == key.accessKey
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class SetHighwater(webapp.RequestHandler):
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def post(self):
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if not auth(self.request):
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self.response.set_status(403)
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return
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# Allow for old builders.
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# This is a no-op now: we figure out what to build based
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# on the current dashboard status.
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return
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class LogHandler(webapp.RequestHandler):
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def get(self):
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self.response.headers['Content-Type'] = 'text/plain; charset=utf-8'
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hash = self.request.path[5:]
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l = CompressedLog.get_by_key_name(hash)
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if l is None:
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self.response.set_status(404)
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return
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log = bz2.decompress(l.log)
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self.response.set_status(200)
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self.response.out.write(log)
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# Init creates the commit with id 0. Since this commit doesn't have a parent,
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# it cannot be created by Build.
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class Init(webapp.RequestHandler):
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def post(self):
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if not auth(self.request):
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self.response.set_status(403)
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return
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date = parseDate(self.request.get('date'))
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node = self.request.get('node')
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if not validNode(node) or date is None:
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logging.error("Not valid node ('%s') or bad date (%s %s)", node, date, self.request.get('date'))
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self.response.set_status(500)
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return
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commit = Commit(key_name = '00000000-%s' % node)
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commit.num = 0
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commit.node = node
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commit.parentnode = ''
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commit.user = self.request.get('user').encode('utf8')
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commit.date = date
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commit.desc = self.request.get('desc').encode('utf8')
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commit.put()
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self.response.set_status(200)
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# Build is the main command: it records the result of a new build.
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class Build(webapp.RequestHandler):
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def post(self):
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if not auth(self.request):
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self.response.set_status(403)
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return
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builder = self.request.get('builder')
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log = self.request.get('log').encode('utf-8')
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loghash = ''
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if len(log) > 0:
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loghash = hashlib.sha256(log).hexdigest()
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l = CompressedLog(key_name=loghash)
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l.log = bz2.compress(log)
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l.put()
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date = parseDate(self.request.get('date'))
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user = self.request.get('user').encode('utf8')
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desc = self.request.get('desc').encode('utf8')
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node = self.request.get('node')
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parenthash = self.request.get('parent')
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if not validNode(node) or not validNode(parenthash) or date is None:
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logging.error("Not valid node ('%s') or bad date (%s %s)", node, date, self.request.get('date'))
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self.response.set_status(500)
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return
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q = Commit.all()
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q.filter('node =', parenthash)
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parent = q.get()
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if parent is None:
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logging.error('Cannot find parent %s of node %s' % (parenthash, node))
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self.response.set_status(404)
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return
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parentnum, _ = parent.key().name().split('-', 1)
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nodenum = int(parentnum, 16) + 1
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key_name = '%08x-%s' % (nodenum, node)
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def add_build():
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n = Commit.get_by_key_name(key_name)
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if n is None:
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n = Commit(key_name = key_name)
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n.num = nodenum
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n.node = node
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n.parentnode = parenthash
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n.user = user
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n.date = date
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n.desc = desc
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s = '%s`%s' % (builder, loghash)
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for i, b in enumerate(n.builds):
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if b.split('`', 1)[0] == builder:
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n.builds[i] = s
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break
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else:
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n.builds.append(s)
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n.put()
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db.run_in_transaction(add_build)
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key = 'todo-%s' % builder
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memcache.delete(key)
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def mark_sent():
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n = Commit.get_by_key_name(key_name)
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n.fail_notification_sent = True
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n.put()
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n = Commit.get_by_key_name(key_name)
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if loghash and not failed(parent, builder) and not n.fail_notification_sent:
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subject = const.mail_fail_subject % (builder, desc.split("\n")[0])
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path = os.path.join(os.path.dirname(__file__), 'fail-notify.txt')
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body = template.render(path, {
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"builder": builder,
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"node": node[:12],
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"user": user,
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"desc": desc,
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"loghash": loghash
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})
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mail.send_mail(
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sender=const.mail_from,
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reply_to=const.mail_fail_reply_to,
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to=const.mail_fail_to,
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subject=subject,
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body=body
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)
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db.run_in_transaction(mark_sent)
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self.response.set_status(200)
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def failed(c, builder):
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for i, b in enumerate(c.builds):
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p = b.split('`', 1)
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if p[0] == builder:
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return len(p[1]) > 0
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return False
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def node(num):
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q = Commit.all()
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q.filter('num =', num)
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n = q.get()
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return n
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class FixedOffset(datetime.tzinfo):
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"""Fixed offset in minutes east from UTC."""
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def __init__(self, offset):
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self.__offset = datetime.timedelta(seconds = offset)
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def utcoffset(self, dt):
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return self.__offset
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def tzname(self, dt):
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return None
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def dst(self, dt):
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return datetime.timedelta(0)
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def validNode(node):
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if len(node) != 40:
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return False
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for x in node:
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o = ord(x)
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if (o < ord('0') or o > ord('9')) and (o < ord('a') or o > ord('f')):
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return False
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return True
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def parseDate(date):
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if '-' in date:
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(a, offset) = date.split('-', 1)
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try:
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return datetime.datetime.fromtimestamp(float(a), FixedOffset(0-int(offset)))
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except ValueError:
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return None
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if '+' in date:
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(a, offset) = date.split('+', 1)
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try:
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return datetime.datetime.fromtimestamp(float(a), FixedOffset(int(offset)))
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except ValueError:
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return None
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try:
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return datetime.datetime.utcfromtimestamp(float(date))
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except ValueError:
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return None
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email_re = re.compile('^[^<]+<([^>]*)>$')
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def toUsername(user):
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r = email_re.match(user)
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if r is None:
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return user
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email = r.groups()[0]
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return email.replace('@golang.org', '')
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def dateToShortStr(d):
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return d.strftime('%a %b %d %H:%M')
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def parseBuild(build):
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[builder, logblob] = build.split('`')
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return {'builder': builder, 'log': logblob, 'ok': len(logblob) == 0}
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def nodeInfo(c):
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return {
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"node": c.node,
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"user": toUsername(c.user),
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"date": dateToShortStr(c.date),
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"desc": c.desc,
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"shortdesc": c.desc.split('\n', 2)[0]
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}
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def toRev(c):
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b = nodeInfo(c)
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b['builds'] = [parseBuild(build) for build in c.builds]
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return b
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def byBuilder(x, y):
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return cmp(x['builder'], y['builder'])
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# This is the URL map for the server. The first three entries are public, the
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# rest are only used by the builders.
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application = webapp.WSGIApplication(
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[('/', MainPage),
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('/log/.*', LogHandler),
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('/hw-get', GetHighwater),
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('/hw-set', SetHighwater),
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('/init', Init),
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('/build', Build),
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], debug=True)
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def main():
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run_wsgi_app(application)
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if __name__ == "__main__":
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main()
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