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# ============LICENSE_START====================================================
# org.onap.dcae
# =============================================================================
# Copyright (c) 2019-2020 AT&T Intellectual Property. All rights reserved.
# =============================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============LICENSE_END======================================================
import json
import os
from pkg_resources import resource_string
import shutil
import traceback
try:
from urllib.parse import unquote_plus
from socketserver import ThreadingMixIn
from http.server import BaseHTTPRequestHandler, HTTPServer
except ImportError:
from urllib import unquote_plus
from SocketServer import ThreadingMixIn
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
import requests
from aoconversion import convert
def _derefconfig(value):
if value.startswith('@'):
with open(value[1:], 'r') as f:
return f.readline().strip()
return value
class Config(object):
"""
Configuration parameters as attributes, make sure the required ones are there,
populate defaults.
"""
def __init__(self, dcaeuser, onboardingurl, onboardinguser, onboardingpass, certfile, dockerregistry, dockeruser, dockerpass, acumosurl=None, interval=900, dockerhost='tcp://localhost:2375', tmpdir='/var/tmp/aoadapter', certverify=True, catalogs=None, port=None, **extras):
self.dcaeuser = dcaeuser
def x(fmt, *args, **kwargs):
return onboardingurl + fmt.format(*args, **kwargs)
self.oburl = x
self._onboardingpass = onboardingpass
self._onboardinguser = onboardinguser
self.acumosurl = acumosurl
self.certfile = certfile
self.certverify = certverify
self.dockerhost = dockerhost
self.dockerregistry = dockerregistry
self.dockeruser = dockeruser
self._dockerpass = dockerpass
self.interval = interval
self.tmpdir = tmpdir
if catalogs is not None and type(catalogs) is not list:
catalogs = [catalogs]
self.catalogs = catalogs
self.port = port
def obauth(self):
return (self._onboardinguser, _derefconfig(self._onboardingpass))
def dockerpass(self):
return _derefconfig(self._dockerpass)
class _AcumosAccess(object):
def __init__(self, config, url):
self.cert = config.certfile
self.verify = config.certverify
self.url = url.strip().rstrip('/')
def artgetter(self, xrev, matcher):
for art in xrev['artifacts']:
if matcher(art):
def ret():
nurl = '{}/artifacts/{}/content'.format(self.url, art['artifactId'])
resp = requests.get(nurl, stream=True, cert=self.cert, verify=self.verify)
if resp.status_code == 500:
resp = requests.get(nurl, stream=True, cert=self.cert, verify=self.verify)
resp.raise_for_status()
return resp
return ret
return None
def jsonget(self, format, *args, **kwargs):
nurl = self.url + format.format(*args, **kwargs)
resp = requests.get(nurl, cert=self.cert, verify=self.verify)
if resp.status_code == 500:
resp = requests.get(nurl, cert=self.cert, verify=self.verify)
resp.raise_for_status()
return resp.json()['content']
def _x_proto_matcher(art):
""" Is this artifact the x.proto file? """
return art['name'].endswith('.proto')
def _x_zip_matcher(art):
""" Is this artifact the x.zip file? """
return art['name'].endswith('.zip')
def _md_json_matcher(art):
""" Is this artifact the metadata.json file? """
return art['name'].endswith('.json')
def _walk(config):
"""
Walk the Federation E5 interface of an Acumos instance
"""
url = config.acumosurl
callback = _makecallback(config)
catalogs = config.catalogs
aa = _AcumosAccess(config, url)
for catalog in aa.jsonget('/catalogs'):
if catalogs is not None and catalog['catalogId'] not in catalogs and catalog['name'] not in catalogs:
continue
for solution in aa.jsonget('/solutions?catalogId={}', catalog['catalogId']):
for revision in aa.jsonget('/solutions/{}/revisions', solution['solutionId']):
onboard(aa, callback, solution, revision['revisionId'])
def onboard(aa, callback, solution, revid):
xrev = aa.jsonget('/solutions/{}/revisions/{}', solution['solutionId'], revid)
callback(model_name=solution['name'], model_version=xrev['version'], model_last_updated=xrev['modified'], rating=solution['ratingAverageTenths'] / 10.0, proto_getter=aa.artgetter(xrev, _x_proto_matcher), zip_getter=aa.artgetter(xrev, _x_zip_matcher), metadata_getter=aa.artgetter(xrev, _md_json_matcher))
def _pullfile(source, dest):
with open(dest, 'wb') as f:
for chunk in source().iter_content(65536):
f.write(chunk)
_loadedformats = set()
_loadedcomponents = set()
def scan(config):
_walk(config)
def _makecallback(config):
workdir = config.tmpdir
obauth = config.obauth()
oburl = config.oburl
def callback(model_name, model_version, model_last_updated, rating, proto_getter, zip_getter, metadata_getter):
model_name = model_name.lower()
model_version = model_version.lower()
compid = (model_name, model_version)
if compid in _loadedcomponents:
print('Skipping component {}: already analyzed'.format(compid))
return
if proto_getter is None or zip_getter is None or metadata_getter is None:
print('Skipping component {}: does not have required artifacts'.format(compid))
_loadedcomponents.add(compid)
return
modeldir = '{}/{}'.format(workdir, model_name)
shutil.rmtree(modeldir, True)
os.makedirs(modeldir)
try:
_pullfile(proto_getter, '{}/model.proto'.format(modeldir))
_pullfile(zip_getter, '{}/model.zip'.format(modeldir))
_pullfile(metadata_getter, '{}/metadata.json'.format(modeldir))
except Exception:
print('Skipping component {}: artifact access error'.format(compid))
_loadedcomponents.add(compid)
return
try:
docker_uri, data_formats, spec = convert.gen_dcae_artifacts_for_model(config, model_name, model_version)
shutil.rmtree(modeldir)
except Exception:
print('Error analyzing artifacts for {}'.format(compid))
traceback.print_exc()
return
for data_format in data_formats:
fmtid = (data_format['self']['name'], data_format['self']['version'])
if fmtid in _loadedformats:
print('Skipping data format {}: already analyzed'.format(fmtid))
continue
try:
resp = requests.post(oburl('/dataformats'), json={'owner': config.dcaeuser, 'spec': data_format}, auth=obauth)
if resp.status_code == 409:
print('Skipping data format {}: previously loaded'.format(fmtid))
_loadedformats.add(fmtid)
continue
resp.raise_for_status()
requests.patch(resp.json()['dataFormatUrl'], json={'owner': config.dcaeuser, 'status': 'published'}, auth=obauth).raise_for_status()
print('Loaded data format {}'.format(fmtid))
_loadedformats.add(fmtid)
except Exception:
print('Error loading data format {}'.format(fmtid))
traceback.print_exc()
raise
try:
resp = requests.post(oburl('/components'), json={'owner': config.dcaeuser, 'spec': spec}, auth=obauth)
if resp.status_code == 409:
print('Skipping component {}: previously loaded'.format(compid))
_loadedcomponents.add(compid)
return
resp.raise_for_status()
requests.patch(resp.json()['componentUrl'], json={'owner': config.dcaeuser, 'status': 'published'}, auth=obauth).raise_for_status()
print('Loaded component {}'.format(compid))
_loadedcomponents.add(compid)
except Exception:
print('Error loading component {}'.format(compid))
traceback.print_exc()
raise
return callback
class ThreadedHTTPServer(ThreadingMixIn, HTTPServer):
protocol_version = "HTTP/1.1"
class Apihandler(BaseHTTPRequestHandler):
def doqp(self):
self.qparams = {}
if not self.path or '?' not in self.path:
return
self.path, qp = self.path.split('?', 1)
for x in qp.split('&'):
k, v = x.split('=', 1)
self.qparams[unquote_plus(k)] = unquote_plus(v)
def replyjson(self, body, ctype='application/json'):
self.replyraw(json.dumps(body).encode('utf-8'), ctype)
def replyraw(self, data, ctype):
self.send_response(200)
self.send_header('Content-Type', ctype)
self.send_header('Content-Length', len(data))
self.end_headers()
self.wfile.write(data)
def do_GET(self):
self.doqp()
if self.path == '/' or self.path == '/index.html' or self.path == '/acumos-adapter/' or self.path == '/acumos-adapter/index.html':
self.replyraw(self.server.index, 'text/html')
return
if 'acumos' not in self.qparams:
self.send_error(400)
return
aa = _AcumosAccess(self.server.config, self.qparams['acumos'])
if self.path == '/acumos-adapter/listCatalogs.js':
self.replyjson([{'name': x['name'], 'id': x['catalogId']} for x in aa.jsonget('/catalogs')])
return
if self.path == '/acumos-adapter/listSolutions.js':
if 'catalogId' not in self.qparams:
self.send_error(400)
return
self.replyjson([{'name': x['name'], 'id': x['solutionId']} for x in aa.jsonget('/solutions?catalogId={}', self.qparams['catalogId'])])
return
if self.path == '/acumos-adapter/listRevisions.js':
if 'solutionId' not in self.qparams:
self.send_error(400)
return
self.replyjson([{'name': x['version'], 'id': x['revisionId']} for x in aa.jsonget('/solutions/{}/revisions', self.qparams['solutionId'])])
return
self.send_error(404)
def do_POST(self):
self.doqp()
if self.path == '/acumos-adapter/onboard.js':
if 'acumos' not in self.qparams:
self.send_error(400)
return
aa = _AcumosAccess(self.server.config, self.qparams['acumos'])
callback = self.server.callback
if 'catalogId' not in self.qparams:
for catalog in aa.jsonget('/catalogs'):
for solution in aa.jsonget('/solutions?catalogId={}', catalog['catalogId']):
for revision in aa.jsonget('/solutions/{}/revisions', solution['solutionId']):
onboard(aa, callback, solution, revision['revisionId'])
elif 'solutionId' not in self.qparams:
for solution in aa.jsonget('/solutions?catalogId={}', self.qparams['catalogId']):
for revision in aa.jsonget('/solutions/{}/revisions', solution['solutionId']):
onboard(aa, callback, solution, revision['revisionId'])
elif 'revisionId' not in self.qparams:
solution = aa.jsonget('/solutions/{}', self.qparams['solutionId'])
for revision in aa.jsonget('/solutions/{}/revisions', solution['solutionId']):
onboard(aa, callback, solution, revision['revisionId'])
else:
solution = aa.jsonget('/solutions/{}', self.qparams['solutionId'])
onboard(aa, callback, solution, self.qparams['revisionId'])
self.replyraw('OK'.encode('utf-8'), 'text/plain')
return
self.send_error(400)
def serve(config):
server = ThreadedHTTPServer(('', config.port), Apihandler)
server.config = config
server.callback = _makecallback(config)
server.index = resource_string(__name__, 'index.html')
server.serve_forever()
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