114 lines
3.9 KiB
Python
114 lines
3.9 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from tempfile import TemporaryFile
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import Logger
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from Component import (ComponentBase, RuntimeComponent,
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PkgUninstallComponent, PkgInstallComponent)
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from Exceptions import (StartException, StopException,
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StatusException, RestartException)
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import Packager
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from Util import (RABBIT, UBUNTU11)
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from Trace import (TraceReader,
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IN_TRACE)
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from Shell import (execute)
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LOG = Logger.getLogger("install.rabbit")
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TYPE = RABBIT
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#hopefully these are distro independent..
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START_CMD = ['service', "rabbitmq-server", "start"]
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STOP_CMD = ['service', "rabbitmq-server", "stop"]
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STATUS_CMD = ['service', "rabbitmq-server", "status"]
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RESTART_CMD = ['service', "rabbitmq-server", "restart"]
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PWD_CMD = ['rabbitmqctl', 'change_password', 'guest']
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class RabbitUninstaller(PkgUninstallComponent):
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def __init__(self, *args, **kargs):
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PkgUninstallComponent.__init__(self, TYPE, *args, **kargs)
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class RabbitInstaller(PkgInstallComponent):
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def __init__(self, *args, **kargs):
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PkgInstallComponent.__init__(self, TYPE, *args, **kargs)
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self.runtime = RabbitRuntime(*args, **kargs)
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def _get_download_location(self):
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return (None, None)
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def _setup_pw(self):
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passwd = self.cfg.getpw("passwords", "rabbit")
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cmd = PWD_CMD + [passwd]
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execute(*cmd, run_as_root=True)
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def install(self):
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pres = PkgInstallComponent.install(self)
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#ensure setup right
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self._setup_pw()
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#restart it to make sure its ok to go
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self.runtime.restart()
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return pres
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class RabbitRuntime(ComponentBase, RuntimeComponent):
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def __init__(self, *args, **kargs):
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ComponentBase.__init__(self, TYPE, *args, **kargs)
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self.tracereader = TraceReader(self.tracedir, IN_TRACE)
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def start(self):
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pkgsinstalled = self.tracereader.packages_installed()
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if(len(pkgsinstalled) == 0):
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msg = "Can not start %s since it was not installed" % (TYPE)
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raise StartException(msg)
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if(self.status().find('start') == -1):
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self._run_cmd(START_CMD)
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return None
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def status(self):
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pkgsinstalled = self.tracereader.packages_installed()
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if(len(pkgsinstalled) == 0):
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msg = "Can not check the status of %s since it was not installed" % (TYPE)
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raise StatusException(msg)
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(sysout, stderr) = execute(*STATUS_CMD, run_as_root=True)
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return sysout.strip().lower()
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def _run_cmd(self, cmd):
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if(self.distro == UBUNTU11):
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with TemporaryFile() as f:
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execute(*cmd, run_as_root=True,
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stdout_fh=f, stderr_fh=f)
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else:
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execute(*cmd, run_as_root=True)
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def restart(self):
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pkgsinstalled = self.tracereader.packages_installed()
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if(len(pkgsinstalled) == 0):
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msg = "Can not check the status of %s since it was not installed" % (TYPE)
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raise RestartException(msg)
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self._run_cmd(RESTART_CMD)
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return None
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def stop(self):
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pkgsinstalled = self.tracereader.packages_installed()
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if(len(pkgsinstalled) == 0):
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msg = "Can not stop %s since it was not installed" % (TYPE)
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raise StopException(msg)
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if(self.status().find('stop') == -1):
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self._run_cmd(STOP_CMD)
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return None
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