115 lines
3.9 KiB
Python
115 lines
3.9 KiB
Python
import json
|
|
|
|
# (C) 2023 by Harald Welte <laforge@osmocom.org>
|
|
#
|
|
# 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, either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# 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/>.
|
|
|
|
from typing import List
|
|
from klein import Klein
|
|
|
|
import osmocom.lpmgd.model as model
|
|
|
|
def set_headers(request):
|
|
request.setHeader('Content-Type', 'application/json')
|
|
|
|
class ApiError:
|
|
def __init__(self, msg:str, sw=None):
|
|
self.msg = msg
|
|
self.sw = sw
|
|
|
|
def __str__(self):
|
|
d = {'error': {'message':self.msg}}
|
|
if self.sw:
|
|
d['error']['status_word'] = self.sw
|
|
return json.dumps(d)
|
|
|
|
class PwrMgmtRestServer:
|
|
app = Klein()
|
|
|
|
def __init__(self, resources: List[model.Resource]):
|
|
self.resources = {r.name: r for r in resources}
|
|
|
|
@app.handle_errors(KeyError)
|
|
def key_error(self, request, failure):
|
|
set_headers(request)
|
|
request.setResponseCode(404)
|
|
return str(ApiError("Unknown resource"))
|
|
|
|
@app.route('/api/v1/resource', methods=['GET'])
|
|
def resource_list(self, request):
|
|
out = []
|
|
for r in self.resources.values():
|
|
r.determine_status()
|
|
out.append(r.to_dict())
|
|
set_headers(request)
|
|
return json.dumps(out)
|
|
|
|
@app.route('/api/v1/resource/<resrc>/status', methods=['GET'])
|
|
def resource_status(self, request, resrc):
|
|
resource = self.resources[resrc]
|
|
resource.determine_status()
|
|
set_headers(request)
|
|
return json.dumps(resource.to_dict())
|
|
|
|
@app.route('/api/v1/resource/<resrc>/obtain_usage_token', methods=['POST'])
|
|
def resource_obtain_token(self, request, resrc):
|
|
resource = self.resources[resrc]
|
|
try:
|
|
content = json.loads(request.content.read())
|
|
user_name = content['user_name']
|
|
usage = content['usage']
|
|
duration_s = content['duration_seconds']
|
|
except:
|
|
set_headers(request)
|
|
request.setResponseCode(400)
|
|
return str(ApiError("Malformed Request"))
|
|
|
|
token = resource.usage_token_get(user_name, usage, duration_s)
|
|
|
|
set_headers(request)
|
|
return json.dumps(token.to_dict())
|
|
|
|
@app.route('/api/v1/resource/<resrc>/token', methods=['GET'])
|
|
def token_list(self, request, resrc):
|
|
resource = self.resources[resrc]
|
|
token_list = [t.to_dict() for t in resource.usage_tokens.values()]
|
|
set_headers(request)
|
|
request.setResponseCode(200)
|
|
return json.dumps(token_list)
|
|
|
|
|
|
@app.route('/api/v1/resource/<resrc>/token/<token_uuid>', methods=['GET'])
|
|
def token_get(self, request, resrc, token_uuid):
|
|
resource = self.resources[resrc]
|
|
# find token within resource
|
|
token = resource.usage_token_find(token_uuid)
|
|
if not token:
|
|
request.setResponseCode(404)
|
|
return
|
|
set_headers(request)
|
|
request.setResponseCode(200)
|
|
return json.dumps(token.to_dict())
|
|
|
|
@app.route('/api/v1/resource/<resrc>/token/<token_uuid>/release', methods=['GET'])
|
|
def token_release(self, request, resrc, token_uuid):
|
|
resource = self.resources[resrc]
|
|
# find token within resource
|
|
token = resource.usage_token_find(token_uuid)
|
|
if not token:
|
|
request.setResponseCode(404)
|
|
return
|
|
resource.usage_token_put(token)
|
|
#set_headers(request)
|
|
request.setResponseCode(200)
|