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go/misc/dashboard/godashboard/gobuild.py
Gustavo Niemeyer 328aac3a49 godashboard: Show packages at launchpad.net
The changes were not tested for real in an App Engine environment,
so extra care should be taken.  That said, some static testing
was done with pyflakes, and a few existent problems were fixed on
the way.

R=adg
CC=golang-dev
https://golang.org/cl/4378053
2011-04-13 10:34:35 +10:00

745 lines
24 KiB
Python

# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# This is the server part of the continuous build system for Go. It must be run
# by AppEngine.
from google.appengine.api import mail
from google.appengine.api import memcache
from google.appengine.ext import db
from google.appengine.ext import webapp
from google.appengine.ext.webapp import template
from google.appengine.ext.webapp.util import run_wsgi_app
import binascii
import datetime
import hashlib
import hmac
import logging
import os
import re
import struct
import time
import bz2
# local imports
import key
import const
# The majority of our state are commit objects. One of these exists for each of
# the commits known to the build system. Their key names are of the form
# <commit number (%08x)> "-" <hg hash>. This means that a sorting by the key
# name is sufficient to order the commits.
#
# The commit numbers are purely local. They need not match up to the commit
# numbers in an hg repo. When inserting a new commit, the parent commit must be
# given and this is used to generate the new commit number. In order to create
# the first Commit object, a special command (/init) is used.
class Commit(db.Model):
num = db.IntegerProperty() # internal, monotonic counter.
node = db.StringProperty() # Hg hash
parentnode = db.StringProperty() # Hg hash
user = db.StringProperty()
date = db.DateTimeProperty()
desc = db.BlobProperty()
# This is the list of builds. Each element is a string of the form <builder
# name> "`" <log hash>. If the log hash is empty, then the build was
# successful.
builds = db.StringListProperty()
fail_notification_sent = db.BooleanProperty()
class Benchmark(db.Model):
name = db.StringProperty()
version = db.IntegerProperty()
class BenchmarkResults(db.Model):
builder = db.StringProperty()
benchmark = db.StringProperty()
data = db.ListProperty(long) # encoded as [-1, num, iterations, nsperop]*
class Cache(db.Model):
data = db.BlobProperty()
expire = db.IntegerProperty()
# A CompressedLog contains the textual build log of a failed build.
# The key name is the hex digest of the SHA256 hash of the contents.
# The contents is bz2 compressed.
class CompressedLog(db.Model):
log = db.BlobProperty()
# For each builder, we store the last revision that it built. So, if it
# crashes, it knows where to start up from. The key names for these objects are
# "hw-" <builder name>
class Highwater(db.Model):
commit = db.StringProperty()
N = 30
def cache_get(key):
c = Cache.get_by_key_name(key)
if c is None or c.expire < time.time():
return None
return c.data
def cache_set(key, val, timeout):
c = Cache(key_name = key)
c.data = val
c.expire = int(time.time() + timeout)
c.put()
def cache_del(key):
c = Cache.get_by_key_name(key)
if c is not None:
c.delete()
def builderInfo(b):
f = b.split('-', 3)
goos = f[0]
goarch = f[1]
note = ""
if len(f) > 2:
note = f[2]
return {'name': b, 'goos': goos, 'goarch': goarch, 'note': note}
def builderset():
q = Commit.all()
q.order('-__key__')
results = q.fetch(N)
builders = set()
for c in results:
builders.update(set(parseBuild(build)['builder'] for build in c.builds))
return builders
class MainPage(webapp.RequestHandler):
def get(self):
self.response.headers['Content-Type'] = 'text/html; charset=utf-8'
try:
page = int(self.request.get('p', 1))
if not page > 0:
raise
except:
page = 1
try:
num = int(self.request.get('n', N))
if num <= 0 or num > 200:
raise
except:
num = N
offset = (page-1) * num
q = Commit.all()
q.order('-__key__')
results = q.fetch(num, offset)
revs = [toRev(r) for r in results]
builders = {}
for r in revs:
for b in r['builds']:
builders[b['builder']] = builderInfo(b['builder'])
for r in revs:
have = set(x['builder'] for x in r['builds'])
need = set(builders.keys()).difference(have)
for n in need:
r['builds'].append({'builder': n, 'log':'', 'ok': False})
r['builds'].sort(cmp = byBuilder)
builders = list(builders.items())
builders.sort()
values = {"revs": revs, "builders": [v for k,v in builders]}
values['num'] = num
values['prev'] = page - 1
if len(results) == num:
values['next'] = page + 1
path = os.path.join(os.path.dirname(__file__), 'main.html')
self.response.out.write(template.render(path, values))
class GetHighwater(webapp.RequestHandler):
def get(self):
builder = self.request.get('builder')
key = 'hw-%s' % builder
node = memcache.get(key)
if node is None:
hw = Highwater.get_by_key_name('hw-%s' % builder)
if hw is None:
# If no highwater has been recorded for this builder,
# we go back N+1 commits and return that.
q = Commit.all()
q.order('-__key__')
c = q.fetch(N+1)[-1]
node = c.node
else:
# if the proposed hw is too old, bump it forward
node = hw.commit
found = False
q = Commit.all()
q.order('-__key__')
recent = q.fetch(N+1)
for c in recent:
if c.node == node:
found = True
break
if not found:
node = recent[-1].node
memcache.set(key, node, 3600)
self.response.set_status(200)
self.response.out.write(node)
def auth(req):
k = req.get('key')
return k == hmac.new(key.accessKey, req.get('builder')).hexdigest() or k == key.accessKey
class SetHighwater(webapp.RequestHandler):
def post(self):
if not auth(self.request):
self.response.set_status(403)
return
builder = self.request.get('builder')
newhw = self.request.get('hw')
q = Commit.all()
q.filter('node =', newhw)
c = q.get()
if c is None:
self.response.set_status(404)
return
# if the proposed hw is too old, bump it forward
found = False
q = Commit.all()
q.order('-__key__')
recent = q.fetch(N+1)
for c in recent:
if c.node == newhw:
found = True
break
if not found:
c = recent[-1]
key = 'hw-%s' % builder
memcache.delete(key)
hw = Highwater(key_name = key)
hw.commit = c.node
hw.put()
class LogHandler(webapp.RequestHandler):
def get(self):
self.response.headers['Content-Type'] = 'text/plain; charset=utf-8'
hash = self.request.path[5:]
l = CompressedLog.get_by_key_name(hash)
if l is None:
self.response.set_status(404)
return
log = bz2.decompress(l.log)
self.response.set_status(200)
self.response.out.write(log)
# Init creates the commit with id 0. Since this commit doesn't have a parent,
# it cannot be created by Build.
class Init(webapp.RequestHandler):
def post(self):
if not auth(self.request):
self.response.set_status(403)
return
date = parseDate(self.request.get('date'))
node = self.request.get('node')
if not validNode(node) or date is None:
logging.error("Not valid node ('%s') or bad date (%s %s)", node, date, self.request.get('date'))
self.response.set_status(500)
return
commit = Commit(key_name = '00000000-%s' % node)
commit.num = 0
commit.node = node
commit.parentnode = ''
commit.user = self.request.get('user').encode('utf8')
commit.date = date
commit.desc = self.request.get('desc').encode('utf8')
commit.put()
self.response.set_status(200)
# Build is the main command: it records the result of a new build.
class Build(webapp.RequestHandler):
def post(self):
if not auth(self.request):
self.response.set_status(403)
return
builder = self.request.get('builder')
log = self.request.get('log').encode('utf-8')
loghash = ''
if len(log) > 0:
loghash = hashlib.sha256(log).hexdigest()
l = CompressedLog(key_name=loghash)
l.log = bz2.compress(log)
l.put()
date = parseDate(self.request.get('date'))
user = self.request.get('user').encode('utf8')
desc = self.request.get('desc').encode('utf8')
node = self.request.get('node')
parenthash = self.request.get('parent')
if not validNode(node) or not validNode(parenthash) or date is None:
logging.error("Not valid node ('%s') or bad date (%s %s)", node, date, self.request.get('date'))
self.response.set_status(500)
return
q = Commit.all()
q.filter('node =', parenthash)
parent = q.get()
if parent is None:
logging.error('Cannot find parent %s of node %s' % (parenthash, node))
self.response.set_status(404)
return
parentnum, _ = parent.key().name().split('-', 1)
nodenum = int(parentnum, 16) + 1
key_name = '%08x-%s' % (nodenum, node)
def add_build():
n = Commit.get_by_key_name(key_name)
if n is None:
n = Commit(key_name = key_name)
n.num = nodenum
n.node = node
n.parentnode = parenthash
n.user = user
n.date = date
n.desc = desc
s = '%s`%s' % (builder, loghash)
for i, b in enumerate(n.builds):
if b.split('`', 1)[0] == builder:
n.builds[i] = s
break
else:
n.builds.append(s)
n.put()
db.run_in_transaction(add_build)
key = 'hw-%s' % builder
hw = Highwater.get_by_key_name(key)
if hw is None:
hw = Highwater(key_name = key)
hw.commit = node
hw.put()
memcache.delete(key)
memcache.delete('hw')
def mark_sent():
n = Commit.get_by_key_name(key_name)
n.fail_notification_sent = True
n.put()
n = Commit.get_by_key_name(key_name)
if loghash and not failed(parent, builder) and not n.fail_notification_sent:
subject = const.mail_fail_subject % (builder, desc.split("\n")[0])
path = os.path.join(os.path.dirname(__file__), 'fail-notify.txt')
body = template.render(path, {
"builder": builder,
"node": node[:12],
"user": user,
"desc": desc,
"loghash": loghash
})
mail.send_mail(
sender=const.mail_from,
reply_to=const.mail_fail_reply_to,
to=const.mail_fail_to,
subject=subject,
body=body
)
db.run_in_transaction(mark_sent)
self.response.set_status(200)
def failed(c, builder):
for i, b in enumerate(c.builds):
p = b.split('`', 1)
if p[0] == builder:
return len(p[1]) > 0
return False
class Benchmarks(webapp.RequestHandler):
def json(self):
q = Benchmark.all()
q.filter('__key__ >', Benchmark.get_or_insert('v002.').key())
bs = q.fetch(10000)
self.response.set_status(200)
self.response.headers['Content-Type'] = 'text/plain; charset=utf-8'
self.response.out.write('{"benchmarks": [')
sep = "\n\t"
for b in bs:
self.response.out.write('%s"%s"' % (sep, b.name))
sep = ",\n\t"
self.response.out.write('\n]}\n')
def get(self):
if self.request.get('fmt') == 'json':
return self.json()
self.response.set_status(200)
self.response.headers['Content-Type'] = 'text/html; charset=utf-8'
page = memcache.get('bench')
if not page:
# use datastore as cache to avoid computation even
# if memcache starts dropping things on the floor
logging.error("memcache dropped bench")
page = cache_get('bench')
if not page:
logging.error("cache dropped bench")
num = memcache.get('hw')
if num is None:
q = Commit.all()
q.order('-__key__')
n = q.fetch(1)[0]
num = n.num
memcache.set('hw', num)
page = self.compute(num)
cache_set('bench', page, 600)
memcache.set('bench', page, 600)
self.response.out.write(page)
def compute(self, num):
benchmarks, builders = benchmark_list()
rows = []
for bm in benchmarks:
row = {'name':bm, 'builders': []}
for bl in builders:
key = "single-%s-%s" % (bm, bl)
url = memcache.get(key)
row['builders'].append({'name': bl, 'url': url})
rows.append(row)
path = os.path.join(os.path.dirname(__file__), 'benchmarks.html')
data = {
"builders": [builderInfo(b) for b in builders],
"rows": rows,
}
return template.render(path, data)
def post(self):
if not auth(self.request):
self.response.set_status(403)
return
builder = self.request.get('builder')
node = self.request.get('node')
if not validNode(node):
logging.error("Not valid node ('%s')", node)
self.response.set_status(500)
return
benchmarkdata = self.request.get('benchmarkdata')
benchmarkdata = binascii.a2b_base64(benchmarkdata)
def get_string(i):
l, = struct.unpack('>H', i[:2])
s = i[2:2+l]
if len(s) != l:
return None, None
return s, i[2+l:]
benchmarks = {}
while len(benchmarkdata) > 0:
name, benchmarkdata = get_string(benchmarkdata)
iterations_str, benchmarkdata = get_string(benchmarkdata)
time_str, benchmarkdata = get_string(benchmarkdata)
iterations = int(iterations_str)
time = int(time_str)
benchmarks[name] = (iterations, time)
q = Commit.all()
q.filter('node =', node)
n = q.get()
if n is None:
logging.error('Client asked for unknown commit while uploading benchmarks')
self.response.set_status(404)
return
for (benchmark, (iterations, time)) in benchmarks.items():
b = Benchmark.get_or_insert('v002.' + benchmark.encode('base64'), name = benchmark, version = 2)
key = '%s;%s' % (builder, benchmark)
r1 = BenchmarkResults.get_by_key_name(key)
if r1 is not None and (len(r1.data) < 4 or r1.data[-4] != -1 or r1.data[-3] != n.num):
r1.data += [-1L, long(n.num), long(iterations), long(time)]
r1.put()
key = "bench(%s,%s,%d)" % (benchmark, builder, n.num)
memcache.delete(key)
self.response.set_status(200)
class SingleBenchmark(webapp.RequestHandler):
"""
Fetch data for single benchmark/builder combination
and return sparkline url as HTTP redirect, also set memcache entry.
"""
def get(self):
benchmark = self.request.get('benchmark')
builder = self.request.get('builder')
key = "single-%s-%s" % (benchmark, builder)
url = memcache.get(key)
if url is None:
minr, maxr, bybuilder = benchmark_data(benchmark)
for bb in bybuilder:
if bb[0] != builder:
continue
url = benchmark_sparkline(bb[2])
if url is None:
self.response.set_status(500, "No data found")
return
memcache.set(key, url, 700) # slightly longer than bench timeout
self.response.set_status(302)
self.response.headers.add_header("Location", url)
def node(num):
q = Commit.all()
q.filter('num =', num)
n = q.get()
return n
def benchmark_data(benchmark):
q = BenchmarkResults.all()
q.order('__key__')
q.filter('benchmark =', benchmark)
results = q.fetch(100)
minr = 100000000
maxr = 0
for r in results:
if r.benchmark != benchmark:
continue
# data is [-1, num, iters, nsperop, -1, num, iters, nsperop, ...]
d = r.data
if not d:
continue
if [x for x in d[::4] if x != -1]:
# unexpected data framing
logging.error("bad framing for data in %s;%s" % (r.builder, r.benchmark))
continue
revs = d[1::4]
minr = min(minr, min(revs))
maxr = max(maxr, max(revs))
if minr > maxr:
return 0, 0, []
bybuilder = []
for r in results:
if r.benchmark != benchmark:
continue
d = r.data
if not d:
continue
nsbyrev = [-1 for x in range(minr, maxr+1)]
iterbyrev = [-1 for x in range(minr, maxr+1)]
for num, iter, ns in zip(d[1::4], d[2::4], d[3::4]):
iterbyrev[num - minr] = iter
nsbyrev[num - minr] = ns
bybuilder.append((r.builder, iterbyrev, nsbyrev))
return minr, maxr, bybuilder
def benchmark_graph(builder, minhash, maxhash, ns):
valid = [x for x in ns if x >= 0]
if not valid:
return ""
m = max(max(valid), 2*sum(valid)/len(valid))
s = ""
encoding = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.-"
for val in ns:
if val < 0:
s += "__"
continue
val = int(val*4095.0/m)
s += encoding[val/64] + encoding[val%64]
return ("http://chart.apis.google.com/chart?cht=lc&chxt=x,y&chxl=0:|%s|%s|1:|0|%g ns|%g ns&chd=e:%s" %
(minhash[0:12], maxhash[0:12], m/2, m, s))
def benchmark_sparkline(ns):
valid = [x for x in ns if x >= 0]
if not valid:
return ""
m = max(max(valid), 2*sum(valid)/len(valid))
# Encoding is 0-61, which is fine enough granularity for our tiny graphs. _ means missing.
encoding = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
s = ''.join([x < 0 and "_" or encoding[int((len(encoding)-1)*x/m)] for x in ns])
url = "http://chart.apis.google.com/chart?cht=ls&chd=s:"+s+"&chs=80x20&chf=bg,s,00000000&chco=000000ff&chls=1,1,0"
return url
def benchmark_list():
q = BenchmarkResults.all()
q.order('__key__')
q.filter('builder = ', u'darwin-amd64')
benchmarks = [r.benchmark for r in q]
q = BenchmarkResults.all()
q.order('__key__')
q.filter('benchmark =', u'math_test.BenchmarkSqrt')
builders = [r.builder for r in q.fetch(20)]
return benchmarks, builders
class GetBenchmarks(webapp.RequestHandler):
def get(self):
benchmark = self.request.path[12:]
minr, maxr, bybuilder = benchmark_data(benchmark)
minhash = node(minr).node
maxhash = node(maxr).node
if self.request.get('fmt') == 'json':
self.response.headers['Content-Type'] = 'text/plain; charset=utf-8'
self.response.out.write('{ "min": "%s", "max": "%s", "data": {' % (minhash, maxhash))
sep = "\n\t"
for builder, iter, ns in bybuilder:
self.response.out.write('%s{ "builder": "%s", "iterations": %s, "nsperop": %s }' %
(sep, builder, str(iter).replace("L", ""), str(ns).replace("L", "")))
sep = ",\n\t"
self.response.out.write('\n}\n')
return
graphs = []
for builder, iter, ns in bybuilder:
graphs.append({"builder": builder, "url": benchmark_graph(builder, minhash, maxhash, ns)})
revs = []
for i in range(minr, maxr+1):
r = nodeInfo(node(i))
x = []
for _, _, ns in bybuilder:
t = ns[i - minr]
if t < 0:
t = None
x.append(t)
r["ns_by_builder"] = x
revs.append(r)
revs.reverse() # same order as front page
path = os.path.join(os.path.dirname(__file__), 'benchmark1.html')
data = {
"benchmark": benchmark,
"builders": [builderInfo(b) for b,_,_ in bybuilder],
"graphs": graphs,
"revs": revs,
}
self.response.out.write(template.render(path, data))
class FixedOffset(datetime.tzinfo):
"""Fixed offset in minutes east from UTC."""
def __init__(self, offset):
self.__offset = datetime.timedelta(seconds = offset)
def utcoffset(self, dt):
return self.__offset
def tzname(self, dt):
return None
def dst(self, dt):
return datetime.timedelta(0)
def validNode(node):
if len(node) != 40:
return False
for x in node:
o = ord(x)
if (o < ord('0') or o > ord('9')) and (o < ord('a') or o > ord('f')):
return False
return True
def parseDate(date):
if '-' in date:
(a, offset) = date.split('-', 1)
try:
return datetime.datetime.fromtimestamp(float(a), FixedOffset(0-int(offset)))
except ValueError:
return None
if '+' in date:
(a, offset) = date.split('+', 1)
try:
return datetime.datetime.fromtimestamp(float(a), FixedOffset(int(offset)))
except ValueError:
return None
try:
return datetime.datetime.utcfromtimestamp(float(date))
except ValueError:
return None
email_re = re.compile('^[^<]+<([^>]*)>$')
def toUsername(user):
r = email_re.match(user)
if r is None:
return user
email = r.groups()[0]
return email.replace('@golang.org', '')
def dateToShortStr(d):
return d.strftime('%a %b %d %H:%M')
def parseBuild(build):
[builder, logblob] = build.split('`')
return {'builder': builder, 'log': logblob, 'ok': len(logblob) == 0}
def nodeInfo(c):
return {
"node": c.node,
"user": toUsername(c.user),
"date": dateToShortStr(c.date),
"desc": c.desc,
"shortdesc": c.desc.split('\n', 2)[0]
}
def toRev(c):
b = nodeInfo(c)
b['builds'] = [parseBuild(build) for build in c.builds]
return b
def byBuilder(x, y):
return cmp(x['builder'], y['builder'])
# This is the URL map for the server. The first three entries are public, the
# rest are only used by the builders.
application = webapp.WSGIApplication(
[('/', MainPage),
('/log/.*', LogHandler),
('/hw-get', GetHighwater),
('/hw-set', SetHighwater),
('/init', Init),
('/build', Build),
('/benchmarks', Benchmarks),
('/benchmarks/single', SingleBenchmark),
('/benchmarks/.*', GetBenchmarks),
], debug=True)
def main():
run_wsgi_app(application)
if __name__ == "__main__":
main()