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# Windows Azure Linux Agent
#
# Copyright 2014 Microsoft Corporation
#
# 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.
#
# Requires Python 2.4+ and Openssl 1.0+
#
import os
import time
import sys
import azurelinuxagent.logger as logger
from azurelinuxagent.future import text
import azurelinuxagent.conf as conf
from azurelinuxagent.metadata import AGENT_LONG_NAME, AGENT_VERSION, \
DISTRO_NAME, DISTRO_VERSION, \
DISTRO_FULL_NAME, PY_VERSION_MAJOR, \
PY_VERSION_MINOR, PY_VERSION_MICRO
import azurelinuxagent.protocol as prot
import azurelinuxagent.event as event
from azurelinuxagent.utils.osutil import OSUTIL
import azurelinuxagent.utils.fileutil as fileutil
class MainHandler(object):
def __init__(self, handlers):
self.handlers = handlers
def run(self):
logger.info("{0} Version:{1}", AGENT_LONG_NAME, AGENT_VERSION)
logger.info("OS: {0} {1}", DISTRO_NAME, DISTRO_VERSION)
logger.info("Python: {0}.{1}.{2}", PY_VERSION_MAJOR, PY_VERSION_MINOR,
PY_VERSION_MICRO)
event.enable_unhandled_err_dump("Azure Linux Agent")
fileutil.write_file(OSUTIL.get_agent_pid_file_path(), text(os.getpid()))
if conf.get_switch("DetectScvmmEnv", False):
if self.handlers.scvmm_handler.detect_scvmm_env():
return
self.handlers.dhcp_handler.probe()
prot.detect_default_protocol()
event.EventMonitor().start()
self.handlers.provision_handler.process()
if conf.get_switch("ResourceDisk.Format", False):
self.handlers.resource_disk_handler.start_activate_resource_disk()
self.handlers.env_handler.start()
protocol = prot.FACTORY.get_default_protocol()
while True:
#Handle extensions
h_status_list = self.handlers.extension_handler.process()
#Report status
vm_status = prot.VMStatus()
vm_status.vmAgent.agentVersion = AGENT_LONG_NAME
vm_status.vmAgent.status = "Ready"
vm_status.vmAgent.message = "Guest Agent is running"
for h_status in h_status_list:
vm_status.extensionHandlers.append(h_status)
try:
logger.info("Report vm status")
protocol.report_status(vm_status)
except prot.ProtocolError as e:
logger.error("Failed to report vm status: {0}", e)
time.sleep(25)
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