106 lines
3.8 KiB
Python
106 lines
3.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
#
|
|
# 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 tempfile import TemporaryFile
|
|
|
|
from devstack import component as comp
|
|
from devstack import constants
|
|
from devstack import exceptions as excp
|
|
from devstack import log as logging
|
|
from devstack import shell as sh
|
|
from devstack import trace as tr
|
|
from devstack import utils
|
|
|
|
LOG = logging.getLogger("devstack.components.rabbit")
|
|
TYPE = constants.RABBIT
|
|
|
|
#hopefully these are distro independent..
|
|
START_CMD = ['service', "rabbitmq-server", "start"]
|
|
STOP_CMD = ['service', "rabbitmq-server", "stop"]
|
|
STATUS_CMD = ['service', "rabbitmq-server", "status"]
|
|
RESTART_CMD = ['service', "rabbitmq-server", "restart"]
|
|
PWD_CMD = ['rabbitmqctl', 'change_password', 'guest']
|
|
|
|
|
|
class RabbitUninstaller(comp.PkgUninstallComponent):
|
|
def __init__(self, *args, **kargs):
|
|
comp.PkgUninstallComponent.__init__(self, TYPE, *args, **kargs)
|
|
|
|
|
|
class RabbitInstaller(comp.PkgInstallComponent):
|
|
def __init__(self, *args, **kargs):
|
|
comp.PkgInstallComponent.__init__(self, TYPE, *args, **kargs)
|
|
self.runtime = RabbitRuntime(*args, **kargs)
|
|
|
|
def _setup_pw(self):
|
|
passwd = self.cfg.getpw("passwords", "rabbit")
|
|
cmd = PWD_CMD + [passwd]
|
|
sh.execute(*cmd, run_as_root=True)
|
|
|
|
def post_install(self):
|
|
parent_result = comp.PkgInstallComponent.post_install(self)
|
|
self._setup_pw()
|
|
self.runtime.restart()
|
|
return parent_result
|
|
|
|
|
|
class RabbitRuntime(comp.ComponentBase, comp.RuntimeComponent):
|
|
def __init__(self, *args, **kargs):
|
|
comp.ComponentBase.__init__(self, TYPE, *args, **kargs)
|
|
self.tracereader = tr.TraceReader(self.tracedir, tr.IN_TRACE)
|
|
|
|
def start(self):
|
|
pkgsinstalled = self.tracereader.packages_installed()
|
|
if(len(pkgsinstalled) == 0):
|
|
msg = "Can not start %s since it was not installed" % (TYPE)
|
|
raise excp.StartException(msg)
|
|
if(self.status().find('start') == -1):
|
|
self._run_cmd(START_CMD)
|
|
return None
|
|
|
|
def status(self):
|
|
pkgsinstalled = self.tracereader.packages_installed()
|
|
if(len(pkgsinstalled) == 0):
|
|
msg = "Can not check the status of %s since it was not installed" % (TYPE)
|
|
raise excp.StatusException(msg)
|
|
(sysout, stderr) = sh.execute(*STATUS_CMD, run_as_root=True)
|
|
return sysout.strip().lower()
|
|
|
|
def _run_cmd(self, cmd):
|
|
if(self.distro == constants.UBUNTU11):
|
|
with TemporaryFile() as f:
|
|
sh.execute(*cmd, run_as_root=True,
|
|
stdout_fh=f, stderr_fh=f)
|
|
else:
|
|
sh.execute(*cmd, run_as_root=True)
|
|
|
|
def restart(self):
|
|
pkgsinstalled = self.tracereader.packages_installed()
|
|
if(len(pkgsinstalled) == 0):
|
|
msg = "Can not check the status of %s since it was not installed" % (TYPE)
|
|
raise excp.RestartException(msg)
|
|
self._run_cmd(RESTART_CMD)
|
|
return None
|
|
|
|
def stop(self):
|
|
pkgsinstalled = self.tracereader.packages_installed()
|
|
if(len(pkgsinstalled) == 0):
|
|
msg = "Can not stop %s since it was not installed" % (TYPE)
|
|
raise excp.StopException(msg)
|
|
if(self.status().find('stop') == -1):
|
|
self._run_cmd(STOP_CMD)
|
|
return None
|