/usr/lib/python3.5/dist-packages/azurelinuxagent/agent.py is in walinuxagent 2.1.3-0ubuntu4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | # Microsoft 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+
#
"""
Module agent
"""
import os
import sys
import re
import subprocess
from azurelinuxagent.metadata import AGENT_NAME, AGENT_LONG_VERSION, \
DISTRO_NAME, DISTRO_VERSION, \
PY_VERSION_MAJOR, PY_VERSION_MINOR, \
PY_VERSION_MICRO
from azurelinuxagent.distro.loader import get_distro
class Agent(object):
def __init__(self, verbose):
"""
Initialize agent running environment.
"""
self.distro = get_distro();
self.distro.init_handler.run(verbose)
def daemon(self):
"""
Run agent daemon
"""
self.distro.daemon_handler.run()
def deprovision(self, force=False, deluser=False):
"""
Run deprovision command
"""
self.distro.deprovision_handler.run(force=force, deluser=deluser)
def register_service(self):
"""
Register agent as a service
"""
print("Register {0} service".format(AGENT_NAME))
self.distro.osutil.register_agent_service()
print("Start {0} service".format(AGENT_NAME))
self.distro.osutil.start_agent_service()
def main():
"""
Parse command line arguments, exit with usage() on error.
Invoke different methods according to different command
"""
command, force, verbose = parse_args(sys.argv[1:])
if command == "version":
version()
elif command == "help":
usage()
elif command == "start":
start()
else:
agent = Agent(verbose)
if command == "deprovision+user":
agent.deprovision(force, deluser=True)
elif command == "deprovision":
agent.deprovision(force, deluser=False)
elif command == "register-service":
agent.register_service()
elif command == "daemon":
agent.daemon()
def parse_args(sys_args):
"""
Parse command line arguments
"""
cmd = "help"
force = False
verbose = False
for a in sys_args:
if re.match("^([-/]*)deprovision\\+user", a):
cmd = "deprovision+user"
elif re.match("^([-/]*)deprovision", a):
cmd = "deprovision"
elif re.match("^([-/]*)daemon", a):
cmd = "daemon"
elif re.match("^([-/]*)start", a):
cmd = "start"
elif re.match("^([-/]*)register-service", a):
cmd = "register-service"
elif re.match("^([-/]*)version", a):
cmd = "version"
elif re.match("^([-/]*)verbose", a):
verbose = True
elif re.match("^([-/]*)force", a):
force = True
elif re.match("^([-/]*)(help|usage|\\?)", a):
cmd = "help"
else:
cmd = "help"
break
return cmd, force, verbose
def version():
"""
Show agent version
"""
print(("{0} running on {1} {2}".format(AGENT_LONG_VERSION, DISTRO_NAME,
DISTRO_VERSION)))
print("Python: {0}.{1}.{2}".format(PY_VERSION_MAJOR, PY_VERSION_MINOR,
PY_VERSION_MICRO))
def usage():
"""
Show agent usage
"""
print("")
print((("usage: {0} [-verbose] [-force] [-help]"
"-deprovision[+user]|-register-service|-version|-daemon|-start]"
"").format(sys.argv[0])))
print("")
def start():
"""
Start agent daemon in a background process and set stdout/stderr to
/dev/null
"""
devnull = open(os.devnull, 'w')
subprocess.Popen([sys.argv[0], '-daemon'], stdout=devnull, stderr=devnull)
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