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# Copyright (C) 2017-2018 Lars Wirzenius
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import ick2
class WorkAPI(ick2.APIbase):
def __init__(self, state):
super().__init__(state)
self._trans = ick2.TransactionalState(state)
def get_routes(self, path): # pragma: no cover
return [
{
'method': 'GET',
'path': '{}'.format(path),
'callback': self.GET(self.get_work),
},
{
'method': 'POST',
'path': path,
'callback': self.POST(self.update_work),
},
]
def get_work(self, **kwargs):
worker_id = self._get_client_id(**kwargs)
with self._trans.modify('workers', worker_id) as worker:
doing = worker.get('doing')
if doing:
return doing
build_id = self._pick_build(worker_id)
if build_id is None:
return {}
with self._trans.modify('builds', build_id) as build:
build['status'] = 'building'
build['worker'] = worker_id
build_obj = ick2.Build(build)
graph = build_obj.get_graph()
action_id = self._pick_next_action(graph)
if action_id is None: # pragma: no cover
return {}
graph.set_action_status(action_id, 'building')
action = graph.get_action(action_id)
doing = {
'build_id': build_id,
'build_number': build['build_number'],
'worker': worker_id,
'project': build['project'],
'parameters': build['parameters'],
'action_id': action_id,
'step': action,
'log': build['log'],
}
worker.from_dict({
'worker': worker_id,
'doing': doing,
})
return worker['doing']
def _get_client_id(self, **kwargs):
claims = kwargs.get('claims', {})
client_id = claims.get('aud')
if client_id is None: # pragma: no cover
raise ick2.ClientIdMissing()
return client_id
def _pick_build(self, worker):
def on_worker(build):
return build.get('worker') == worker
def status(build):
return build.get('status')
def is_building(build):
return status(build) == 'building'
def is_triggered(build):
return status(build) == 'triggered'
builds = self._trans.get_resources('builds')
return (self._find_build(builds, on_worker, is_building) or
self._find_build(builds, is_triggered))
def _find_build(self, builds, *preds):
for build in builds:
if all(pred(build) for pred in preds):
return build['build_id']
return None
def _pick_next_action(self, graph):
action_ids = graph.find_actions('ready')
if not action_ids: # pragma: no cover
return None
return action_ids[0]
def update_work(self, update, **kwargs):
try:
worker_id = update['worker']
build_id = update['build_id']
project_name = update['project']
exit_code = update.get('exit_code')
except KeyError as e: # pragma: no cover
raise ick2.BadUpdate(str(e))
with self._trans.modify('workers', worker_id) as worker:
with self._trans.modify('builds', build_id) as build:
build_obj = ick2.Build(build)
graph = build_obj.get_graph()
doing = worker.get('doing', {})
self._check_work_update(doing, update)
self._append_to_build_log(update)
action_id = doing['action_id']
if exit_code is not None:
if exit_code == 0:
graph.set_action_status(action_id, 'done')
graph.unblock()
if not graph.has_more_to_do():
build_obj.set_status('done')
build['status'] = 0
elif exit_code is not None:
graph.set_action_status(action_id, 'failed')
build_obj.set_status('failed')
build['status'] = exit_code
worker.from_dict({
'worker': worker_id,
'doing': {},
})
def _check_work_update(self, doing, update): # pragma: no cover
must_match = ['worker', 'project', 'build_id']
for name in must_match:
if name not in update:
raise ick2.BadUpdate('{} not specified'.format(name))
if doing.get(name) is not None and doing.get(name) != update[name]:
raise ick2.BadUpdate(
'{} differs from current work: {} vs {}'.format(
name, doing.get(name), update[name]))
def _append_to_build_log(self, update):
build_id = update['build_id']
with self._trans.modify('log', build_id) as log:
for stream in ['stdout', 'stderr']:
text = update.get(stream, '')
log['log'] = log.get('log', '') + text
def create(self, body, **kwargs): # pragma: no cover
pass
def update(self, body, name, **kwargs): # pragma: no cover
pass
def list(self, **kwargs): # pragma: no cover
pass
def show(self, name, **kwargs): # pragma: no cover
pass
def delete(self, name, **kwargs): # pragma: no cover
pass
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