def _make_request(self, path, cni_envs, expected_status=None):
method = 'POST'
host = CONF.cni_daemon.cni_daemon_host
port = CONF.cni_daemon.cni_daemon_port
url = 'http://%s:%s/%s' % (host, port, path)
try:
LOG.debug(
'Making request to CNI Daemon. %(method)s %(path)s\n'
'%(body)s', {
'method': method,
'path': url,
'body': cni_envs
})
resp = requests.post(url,
json=cni_envs,
headers={'Connection': 'close'})
except requests.ConnectionError:
LOG.exception(
'Looks like %s:%s cannot be reached. '
'Is zun-cni-daemon running?', (host, port))
raise
LOG.debug('CNI Daemon returned "%(status)d %(reason)s".', {
'status': resp.status_code,
'reason': resp.reason
})
if expected_status and resp.status_code != expected_status:
LOG.error('CNI daemon returned error "%(status)d %(reason)s".', {
'status': resp.status_code,
'reason': resp.reason
})
raise exception.CNIError('Got invalid status code from CNI daemon')
return resp
def _do_work(self, params, fn):
container_uuid = self._get_container_uuid(params)
container_type = self._get_container_type(params)
if container_type == TYPE_CAPSULE:
container = objects.Capsule.get_by_uuid(self.context,
container_uuid)
elif container_type == TYPE_CONTAINER:
container = objects.Container.get_by_uuid(self.context,
container_uuid)
else:
raise exception.CNIError('Unexpected type: %s' % container_type)
vifs = cni_utils.get_vifs(container)
for ifname, vif in vifs.items():
is_default_gateway = (ifname == consts.DEFAULT_IFNAME)
if is_default_gateway:
# NOTE(ygupta): if this is the default interface, we should
# use the ifname supplied in the CNI ADD request
ifname = params.CNI_IFNAME
fn(vif,
self._get_inst(container),
ifname,
params.CNI_NETNS,
is_default_gateway=is_default_gateway,
container_id=params.CNI_CONTAINERID)
return vifs
def run(self, env, fin, fout):
try:
# Prepare params according to calling Object
params = self.prepare_env(env, fin)
if env.get('CNI_COMMAND') == 'ADD':
vif = self._add(params)
self._write_dict(fout, vif)
elif env.get('CNI_COMMAND') == 'DEL':
self._delete(params)
elif env.get('CNI_COMMAND') == 'VERSION':
self._write_version(fout)
else:
raise exception.CNIError(_("unknown CNI_COMMAND: %s"),
env['CNI_COMMAND'])
return 0
except Exception as ex:
# LOG.exception
self._write_exception(fout, str(ex))
return 1