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#!/usr/bin/env python
# Copyright (C) 2015-2016 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# 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, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-2 =*=
import logging
import os
import glob
import shutil
from time import strftime, gmtime
from datetime import datetime
import tempfile
import yaml
from bottle import Bottle, request, response, template, static_file
from subprocess import call
from ybd import app, cache
bottle = Bottle()
class KeyedBinaryArtifactServer(object):
''' Generic artifact cache server
Configuration can be found in the associated kbas.conf file.'''
def __init__(self):
app.load_configs([
os.path.join(os.getcwd(), 'kbas.conf'),
os.path.join(os.path.dirname(__file__), 'config', 'kbas.conf')])
app.config['start-time'] = datetime.now()
app.config['last-upload'] = datetime.now()
try:
import cherrypy
server = 'cherrypy'
except:
server = 'wsgiref'
# for development:
if app.config.get('mode') == 'development':
bottle.run(server=server, host=app.config['host'],
port=app.config['port'], debug=True, reloader=True)
else:
bottle.run(server=server, host=app.config['host'],
port=app.config['port'], reloader=True)
@bottle.get('/static/<filename>')
def send_static(filename):
current_dir = os.getcwd()
static_dir = os.path.join(current_dir, 'kbas/public')
return static_file(filename, root=static_dir)
@bottle.get('/<name>')
@bottle.get('/artifacts/<name>')
def list(name=""):
names = glob.glob(os.path.join(app.config['artifact-dir'],
'*' + name + '*'))
try:
content = [[strftime('%y-%m-%d', gmtime(os.path.getctime(x))),
cache.check(os.path.basename(x)),
os.path.basename(x)] for x in names]
except:
content = [['--------',
cache.check(os.path.basename(x)),
os.path.basename(x)] for x in names]
return template('kbas',
title='Available Artifacts:',
content=reversed(sorted(content)),
css='/static/style.css')
@bottle.get('/1.0/artifacts')
def get_morph_artifact():
f = request.query.filename
path = os.path.join(app.config['artifact-dir'], f)
if os.path.exists(path):
call(['touch', path])
return static_file(f, root=app.config['artifact-dir'], download=True)
@bottle.get('/get/<cache_id>')
def get_artifact(cache_id):
f = os.path.join(cache_id, cache_id)
path = os.path.join(app.config['artifact-dir'], f)
if os.path.exists(path):
call(['touch', os.path.dirname(path)])
return static_file(f, root=app.config['artifact-dir'], download=True)
@bottle.get('/')
@bottle.get('/status')
def status():
stat = os.statvfs(app.config['artifact-dir'])
free = stat.f_frsize * stat.f_bavail / 1000000000
artifacts = len(os.listdir(app.config['artifact-dir']))
started = app.config['start-time'].strftime('%y-%m-%d %H:%M:%S')
last_upload = app.config['last-upload'].strftime('%y-%m-%d %H:%M:%S')
content = [['Started:', started]]
content += [['Last upload:', last_upload]]
if app.config.get('last-reject'):
content += [['Last reject:', app.config['last-reject']]]
content += [['Space:', str(free) + 'GB']]
content += [['Artifacts:', str(artifacts)]]
return template('kbas',
title='KBAS status',
content=content,
css='/static/style.css')
@bottle.post('/upload')
def post_artifact():
if app.config['password'] is 'insecure' or \
request.forms.get('password') != app.config['password']:
print 'Upload attempt: password fail'
app.config['last-reject'] = \
datetime.now().strftime('%y-%m-%d %H:%M:%S')
response.status = 401 # unauthorized
return
cache_id = request.forms.get('filename')
if os.path.isdir(os.path.join(app.config['artifact-dir'], cache_id)):
if cache.check(cache_id) == request.forms.get('checksum', 'XYZ'):
response.status = 777 # this is the same binary we have
return
response.status = 405 # method not allowed, this artifact exists
return
tempfile.tempdir = app.config['artifact-dir']
tmpdir = tempfile.mkdtemp()
try:
upload = request.files.get('file')
artifact = os.path.join(tmpdir, cache_id)
upload.save(artifact)
if call(['tar', 'tf', artifact]):
app.log(this, 'ERROR: not a valid tarfile:', artifact)
raise
checksum = cache.md5(artifact)
with open(artifact + '.md5', "a") as f:
f.write(checksum)
shutil.move(tmpdir, os.path.join(app.config['artifact-dir'],
cache_id))
response.status = 201 # success!
app.config['last-upload'] = datetime.now()
return
except:
# something went wrong, clean up
try:
shutil.rmtree(tmpdir)
except:
pass
response.status = 999
return
KeyedBinaryArtifactServer().__init__()
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