2012-01-26 12:54:36 -08:00

97 lines
3.0 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (C) 2012 Yahoo! Inc. 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.
from devstack import component as comp
from devstack import log as logging
from devstack import settings
from devstack import shell as sh
from devstack.components import nova
LOG = logging.getLogger("devstack.components.novnc")
#id
TYPE = settings.NOVNC
#where the application is really
UTIL_DIR = 'utils'
VNC_PROXY_APP = 'nova-novncproxy'
APP_OPTIONS = {
#this reaches into the nova configuration file
#TODO can we stop that?
VNC_PROXY_APP: ['--flagfile-file=%NOVA_CONF%', '--web'],
}
class NoVNCUninstaller(comp.PkgUninstallComponent):
def __init__(self, *args, **kargs):
comp.PkgUninstallComponent.__init__(self, TYPE, *args, **kargs)
class NoVNCInstaller(comp.PkgInstallComponent):
def __init__(self, *args, **kargs):
comp.PkgInstallComponent.__init__(self, TYPE, *args, **kargs)
self.git_loc = self.cfg.get("git", "novnc_repo")
self.git_branch = self.cfg.get("git", "novnc_branch")
def _get_download_locations(self):
places = comp.PkgInstallComponent._get_download_locations(self)
places.append({
'uri': self.git_loc,
'branch': self.git_branch,
})
return places
class NoVNCRuntime(comp.ProgramRuntime):
def __init__(self, *args, **kargs):
comp.ProgramRuntime.__init__(self, TYPE, *args, **kargs)
def _get_apps_to_start(self):
apps = list()
for app_name in APP_OPTIONS.keys():
apps.append({
'name': app_name,
'path': sh.joinpths(self.appdir, UTIL_DIR, app_name),
})
return apps
def _get_param_map(self, app_name):
root_params = comp.ProgramRuntime._get_param_map(self, app_name)
if app_name == VNC_PROXY_APP and settings.NOVA in self.instances:
nova_runtime = self.instances.get(settings.NOVA)
root_params['NOVA_CONF'] = sh.joinpths(nova_runtime.cfgdir, nova.API_CONF)
return root_params
def _get_app_options(self, app):
return APP_OPTIONS.get(app)
def describe(opts=None):
description = """
Module: {module_name}
Description:
{description}
Component options:
{component_opts}
"""
params = dict()
params['component_opts'] = "TBD"
params['module_name'] = __name__
params['description'] = __doc__ or "Handles actions for the no-vnc component."
out = description.format(**params)
return out.strip("\n")