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# Copyright (C) 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 yaml
import app
from app import log, timer, defs
# Concourse data model:
# a 'resource' is an input line into a box
# a 'job' is a box on the diagram
# a 'job' has a 'plan' - a set of 'tasks' which operate on 'resources'
class Pipeline(object):
def __init__(self, dn):
self.resources = [{'name': dn['name'], 'type': 'foo'}]
self.jobs = []
self.config = {'run': {'path': 'ybd', 'args': []},
'platform': 'linux',
'image': 'docker:///devcurmudgeon/foo'}
self.write_pipeline(dn)
output = app.defs.get(dn)['name'] + '.yml'
with open(output, 'w') as f:
pipeline = {'resources': self.resources, 'jobs': self.jobs}
f.write(yaml.dump(pipeline, default_flow_style=False))
log('CONCOURSE', 'pipeline is at', output)
def write_pipeline(self, dn):
dn = app.defs.get(dn)
self.add_resource(dn)
aggregate = []
for it in dn.get('build-depends', []) + dn.get('contents', []):
component = app.defs.get(it)
self.add_resource(component)
if component.get('kind', 'chunk') == 'chunk':
aggregate += [{'get': component['name']}]
else:
self.write_pipeline(component)
aggregate += [{'get': component['name'],
'passed': [component['name']]}]
self.add_job(dn, [{'aggregate': aggregate}, {'put': dn['name']}])
def add_job(self, component, plan):
found = False
for job in self.jobs:
if job['name'] == component['name']:
found = True
for i in plan:
if i not in job['plan']:
job['plan'] += i
if not found:
self.jobs += [{'name': component['name'], 'plan': plan}]
def add_resource(self, component):
found = False
for resource in self.resources:
if resource['name'] == component['name']:
found = True
if not found:
if component.get('kind', 'chunk') == 'chunk':
self.resources += [{'name': component['name'],
'type': 'git',
'source': {'uri': component.get('repo'),
'branch': 'master'}}]
else:
self.resources += [{'name': component['name'], 'type': 'foo'}]
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