mirror of
https://github.com/clearlinux/WALinuxAgent.git
synced 2026-08-19 12:16:38 +00:00
Mariusz Woloszyn
75 lines
2.7 KiB
Python
75 lines
2.7 KiB
Python
# Microsoft Azure Linux Agent
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#
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# Copyright 2014 Microsoft Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Requires Python 2.4+ and Openssl 1.0+
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#
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import re
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import os
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import sys
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import subprocess
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import time
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import azurelinuxagent.common.logger as logger
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import azurelinuxagent.common.conf as conf
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from azurelinuxagent.common.osutil import get_osutil
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VMM_CONF_FILE_NAME = "linuxosconfiguration.xml"
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VMM_STARTUP_SCRIPT_NAME= "install"
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def get_scvmm_handler():
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return ScvmmHandler()
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class ScvmmHandler(object):
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def __init__(self):
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self.osutil = get_osutil()
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def detect_scvmm_env(self, dev_dir='/dev'):
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logger.info("Detecting Microsoft System Center VMM Environment")
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found=False
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# try to load the ATAPI driver, continue on failure
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self.osutil.try_load_atapiix_mod()
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# cycle through all available /dev/sr*|hd*|cdrom*|cd* looking for the scvmm configuration file
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mount_point = conf.get_dvd_mount_point()
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for devices in filter(lambda x: x is not None, [re.match(r'(sr[0-9]|hd[c-z]|cdrom[0-9]?|cd[0-9]+)', dev) for dev in os.listdir(dev_dir)]):
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dvd_device = os.path.join(dev_dir, devices.group(0))
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self.osutil.mount_dvd(max_retry=1, chk_err=False, dvd_device=dvd_device, mount_point=mount_point)
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found = os.path.isfile(os.path.join(mount_point, VMM_CONF_FILE_NAME))
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if found:
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self.start_scvmm_agent(mount_point=mount_point)
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break
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else:
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self.osutil.umount_dvd(chk_err=False, mount_point=mount_point)
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return found
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def start_scvmm_agent(self, mount_point=None):
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logger.info("Starting Microsoft System Center VMM Initialization "
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"Process")
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if mount_point is None:
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mount_point = conf.get_dvd_mount_point()
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startup_script = os.path.join(mount_point, VMM_STARTUP_SCRIPT_NAME)
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devnull = open(os.devnull, 'w')
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subprocess.Popen(["/bin/bash", startup_script, "-p " + mount_point],
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stdout=devnull, stderr=devnull)
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def run(self):
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if self.detect_scvmm_env():
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logger.info("Exiting")
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time.sleep(300)
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sys.exit(0)
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