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685 lines
25 KiB
Python
685 lines
25 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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import array
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import fcntl
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import glob
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import platform
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import re
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import socket
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import struct
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try:
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import selinux
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HAVE_SELINUX=True
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except ImportError:
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HAVE_SELINUX=False
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try:
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import json
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except ImportError:
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import simplejson as json
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class Facts(object):
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"""
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This class should only attempt to populate those facts that
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are mostly generic to all systems. This includes platform facts,
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service facts (eg. ssh keys or selinux), and distribution facts.
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Anything that requires extensive code or may have more than one
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possible implementation to establish facts for a given topic should
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subclass Facts.
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"""
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_I386RE = re.compile(r'i[3456]86')
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# For the most part, we assume that platform.dist() will tell the truth.
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# This is the fallback to handle unknowns or exceptions
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OSDIST_DICT = { '/etc/redhat-release': 'RedHat',
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'/etc/vmware-release': 'VMwareESX' }
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SELINUX_MODE_DICT = { 1: 'enforcing', 0: 'permissive', -1: 'disabled' }
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def __init__(self):
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self.facts = {}
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self.get_platform_facts()
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self.get_distribution_facts()
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self.get_public_ssh_host_keys()
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self.get_selinux_facts()
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def populate(self):
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return self.facts
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# Platform
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# patform.system() can be Linux, Darwin, Java, or Windows
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def get_platform_facts(self):
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self.facts['system'] = platform.system()
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self.facts['kernel'] = platform.release()
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self.facts['machine'] = platform.machine()
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self.facts['python_version'] = platform.python_version()
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self.facts['fqdn'] = socket.getfqdn()
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self.facts['hostname'] = self.facts['fqdn'].split('.')[0]
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if self.facts['machine'] == 'x86_64':
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self.facts['architecture'] = self.facts['machine']
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elif Facts._I386RE.search(self.facts['machine']):
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self.facts['architecture'] = 'i386'
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else:
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self.facts['archtecture'] = self.facts['machine']
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if self.facts['system'] == 'Linux':
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self.get_distribution_facts()
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# platform.dist() is deprecated in 2.6
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# in 2.6 and newer, you should use platform.linux_distribution()
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def get_distribution_facts(self):
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dist = platform.dist()
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self.facts['distribution'] = dist[0].capitalize() or 'NA'
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self.facts['distribution_version'] = dist[1] or 'NA'
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self.facts['distribution_release'] = dist[2] or 'NA'
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# Try to handle the exceptions now ...
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for (path, name) in Facts.OSDIST_DICT.items():
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if os.path.exists(path):
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if self.facts['distribution'] == 'Fedora':
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pass
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elif name == 'RedHat':
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data = get_file_content(path)
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if 'Red Hat' in data:
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self.facts['distribution'] = name
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else:
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self.facts['distribution'] = data.split()[0]
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else:
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self.facts['distribution'] = name
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def get_public_ssh_host_keys(self):
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dsa = get_file_content('/etc/ssh/ssh_host_dsa_key.pub')
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rsa = get_file_content('/etc/ssh/ssh_host_rsa_key.pub')
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if dsa is None:
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dsa = 'NA'
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else:
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self.facts['ssh_host_key_dsa_public'] = dsa.split()[1]
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if rsa is None:
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rsa = 'NA'
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else:
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self.facts['ssh_host_key_rsa_public'] = rsa.split()[1]
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def get_selinux_facts(self):
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if not HAVE_SELINUX:
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self.facts['selinux'] = False
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return
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self.facts['selinux'] = {}
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if not selinux.is_selinux_enabled():
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self.facts['selinux']['status'] = 'disabled'
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else:
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self.facts['selinux']['status'] = 'enabled'
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try:
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self.facts['selinux']['policyvers'] = selinux.security_policyvers()
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except OSError, e:
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self.facts['selinux']['policyvers'] = 'unknown'
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try:
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(rc, configmode) = selinux.selinux_getenforcemode()
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if rc == 0:
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self.facts['selinux']['config_mode'] = Facts.SELINUX_MODE_DICT.get(configmode, 'unknown')
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else:
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self.facts['selinux']['config_mode'] = 'unknown'
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except OSError, e:
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self.facts['selinux']['config_mode'] = 'unknown'
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try:
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mode = selinux.security_getenforce()
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self.facts['selinux']['mode'] = Facts.SELINUX_MODE_DICT.get(mode, 'unknown')
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except OSError, e:
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self.facts['selinux']['mode'] = 'unknown'
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try:
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(rc, policytype) = selinux.selinux_getpolicytype()
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if rc == 0:
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self.facts['selinux']['type'] = policytype
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else:
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self.facts['selinux']['type'] = 'unknown'
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except OSError, e:
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self.facts['selinux']['type'] = 'unknown'
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class Hardware(Facts):
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"""
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This is a generic Hardware subclass of Facts. This should be further
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subclassed to implement per platform. If you subclass this, it
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should define:
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- memfree_mb
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- memtotal_mb
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- swapfree_mb
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- swaptotal_mb
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- processor (a list)
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- processor_cores
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- processor_count
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All subclasses MUST define platform.
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"""
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platform = 'Generic'
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def __new__(cls, *arguments, **keyword):
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subclass = cls
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for sc in Hardware.__subclasses__():
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if sc.platform == platform.system():
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subclass = sc
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return super(cls, subclass).__new__(subclass, *arguments, **keyword)
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def __init__(self):
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Facts.__init__(self)
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def populate(self):
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return self.facts
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class LinuxHardware(Hardware):
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"""
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Linux-specific subclass of Hardware. Defines memory and CPU facts:
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- memfree_mb
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- memtotal_mb
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- swapfree_mb
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- swaptotal_mb
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- processor (a list)
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- processor_cores
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- processor_count
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In addition, it also defines number of DMI facts.
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"""
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platform = 'Linux'
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MEMORY_FACTS = ['MemTotal', 'SwapTotal', 'MemFree', 'SwapFree']
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# DMI bits
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DMI_DICT = dict(
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form_factor = '/sys/devices/virtual/dmi/id/chassis_type',
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product_name = '/sys/devices/virtual/dmi/id/product_name',
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product_serial = '/sys/devices/virtual/dmi/id/product_serial',
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product_uuid = '/sys/devices/virtual/dmi/id/product_uuid',
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product_version = '/sys/devices/virtual/dmi/id/product_version',
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system_vendor = '/sys/devices/virtual/dmi/id/sys_vendor',
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bios_date = '/sys/devices/virtual/dmi/id/bios_date',
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bios_version = '/sys/devices/virtual/dmi/id/bios_version'
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)
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# DMI SPEC -- http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.0.pdf
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FORM_FACTOR = [ "Unknown", "Other", "Unknown", "Desktop",
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"Low Profile Desktop", "Pizza Box", "Mini Tower", "Tower",
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"Portable", "Laptop", "Notebook", "Hand Held", "Docking Station",
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"All In One", "Sub Notebook", "Space-saving", "Lunch Box",
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"Main Server Chassis", "Expansion Chassis", "Sub Chassis",
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"Bus Expansion Chassis", "Peripheral Chassis", "RAID Chassis",
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"Rack Mount Chassis", "Sealed-case PC", "Multi-system",
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"CompactPCI", "AdvancedTCA", "Blade" ]
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def __init__(self):
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Hardware.__init__(self)
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def populate(self):
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self.get_cpu_facts()
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self.get_memory_facts()
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self.get_dmi_facts()
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return self.facts
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def get_memory_facts(self):
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if not os.access("/proc/meminfo", os.R_OK):
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return
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for line in open("/proc/meminfo").readlines():
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data = line.split(":", 1)
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key = data[0]
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if key in LinuxHardware.MEMORY_FACTS:
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val = data[1].strip().split(' ')[0]
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self.facts["%s_mb" % key.lower()] = long(val) / 1024
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def get_cpu_facts(self):
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i = 0
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physid = 0
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sockets = {}
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if not os.access("/proc/cpuinfo", os.R_OK):
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return
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self.facts['processor'] = []
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for line in open("/proc/cpuinfo").readlines():
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data = line.split(":", 1)
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key = data[0].strip()
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if key == 'model name':
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if 'processor' not in self.facts:
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self.facts['processor'] = []
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self.facts['processor'].append(data[1].strip())
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i += 1
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elif key == 'physical id':
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physid = data[1].strip()
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if physid not in sockets:
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sockets[physid] = 1
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elif key == 'cpu cores':
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sockets[physid] = int(data[1].strip())
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if len(sockets) > 0:
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self.facts['processor_count'] = len(sockets)
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self.facts['processor_cores'] = reduce(lambda x, y: x + y, sockets.values())
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else:
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self.facts['processor_count'] = i
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self.facts['processor_cores'] = 'NA'
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def get_dmi_facts(self):
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for (key,path) in LinuxHardware.DMI_DICT.items():
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data = get_file_content(path)
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if data is not None:
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if key == 'form_factor':
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try:
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self.facts['form_factor'] = LinuxHardware.FORM_FACTOR[int(data)]
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except IndexError, e:
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self.facts['form_factor'] = 'unknown (%s)' % data
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else:
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self.facts[key] = data
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else:
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self.facts[key] = 'NA'
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class SunOSHardware(Hardware):
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"""
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In addition to the generic memory and cpu facts, this also sets
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swap_reserved_mb and swap_allocated_mb that is available from *swap -s*.
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"""
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platform = 'SunOS'
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def __init__(self):
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Hardware.__init__(self)
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def populate(self):
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self.get_cpu_facts()
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self.get_memory_facts()
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return self.facts
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def get_cpu_facts(self):
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cmd = subprocess.Popen("/usr/sbin/psrinfo -v", shell=True,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = cmd.communicate()
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self.facts['processor'] = []
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for line in out.split('\n'):
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if 'processor operates' in line:
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if 'processor' not in self.facts:
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self.facts['processor'] = []
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self.facts['processor'].append(line.strip())
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self.facts['processor_cores'] = 'NA'
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self.facts['processor_count'] = len(self.facts['processor'])
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def get_memory_facts(self):
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cmd = subprocess.Popen("/usr/sbin/prtconf", shell=False,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = cmd.communicate()
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for line in out.split('\n'):
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if 'Memory size' in line:
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self.facts['memtotal_mb'] = line.split()[2]
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cmd = subprocess.Popen("/usr/sbin/swap -s", shell=True,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = cmd.communicate()
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allocated = long(out.split()[1][:-1])
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reserved = long(out.split()[5][:-1])
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used = long(out.split()[8][:-1])
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free = long(out.split()[10][:-1])
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self.facts['swapfree_mb'] = free / 1024
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self.facts['swaptotal_mb'] = (free + used) / 1024
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self.facts['swap_allocated_mb'] = allocated / 1024
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self.facts['swap_reserved_mb'] = reserved / 1024
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class FreeBSDHardware(Hardware):
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"""
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FreeBSD-specific subclass of Hardware. Defines memory and CPU facts:
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- memfree_mb
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- memtotal_mb
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- swapfree_mb
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- swaptotal_mb
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- processor (a list)
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- processor_cores
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- processor_count
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"""
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platform = 'FreeBSD'
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DMESG_BOOT = '/var/run/dmesg.boot'
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def __init__(self):
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Hardware.__init__(self)
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def populate(self):
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self.get_cpu_facts()
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self.get_memory_facts()
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return self.facts
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def get_cpu_facts(self):
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self.facts['processor'] = []
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cmd = subprocess.Popen("/sbin/sysctl -n hw.ncpu", shell=True,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = cmd.communicate()
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self.facts['processor_count'] = out.strip()
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for line in open(FreeBSDHardware.DMESG_BOOT).readlines():
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if 'CPU:' in line:
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cpu = re.sub(r'CPU:\s+', r"", line)
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self.facts['processor'].append(cpu.strip())
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if 'Logical CPUs per core' in line:
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self.facts['processor_cores'] = line.split()[4]
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def get_memory_facts(self):
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cmd = subprocess.Popen("/sbin/sysctl vm.stats", shell=True,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = cmd.communicate()
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for line in out.split('\n'):
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data = line.split()
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if 'vm.stats.vm.v_page_size' in line:
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pagesize = long(data[1])
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if 'vm.stats.vm.v_page_count' in line:
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pagecount = long(data[1])
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if 'vm.stats.vm.v_free_count' in line:
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freecount = long(data[1])
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self.facts['memtotal_mb'] = pagesize * pagecount / 1024 / 1024
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self.facts['memfree_mb'] = pagesize * freecount / 1024 / 1024
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# Get swapinfo. swapinfo output looks like:
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# Device 1M-blocks Used Avail Capacity
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# /dev/ada0p3 314368 0 314368 0%
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#
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cmd = subprocess.Popen("/usr/sbin/swapinfo -m", shell=True,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = cmd.communicate()
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lines = out.split('\n')
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if len(lines[-1]) == 0:
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lines.pop()
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data = lines[-1].split()
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self.facts['swaptotal_mb'] = data[1]
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self.facts['swapfree_mb'] = data[3]
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class Network(Facts):
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"""
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This is a generic Network subclass of Facts. This should be further
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subclassed to implement per platform. If you subclass this,
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you must define:
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- interfaces (a list of interface names)
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- interface_<name> dictionary of ipv4, ipv6, and mac address information.
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All subclasses MUST define platform.
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"""
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platform = 'Generic'
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IPV6_SCOPE = { '0' : 'global',
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'10' : 'host',
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'20' : 'link',
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'40' : 'admin',
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'50' : 'site',
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'80' : 'organization' }
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def __new__(cls, *arguments, **keyword):
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subclass = cls
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for sc in Network.__subclasses__():
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if sc.platform == platform.system():
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subclass = sc
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return super(cls, subclass).__new__(subclass, *arguments, **keyword)
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def __init__(self):
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Facts.__init__(self)
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def populate(self):
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return self.facts
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class LinuxNetwork(Network):
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"""
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This is a Linux-specific subclass of Network. It defines
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- interfaces (a list of interface names)
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- interface_<name> dictionary of ipv4, ipv6, and mac address information.
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- all_ipv4_addresses and all_ipv6_addresses: lists of all configured addresses.
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- ipv4_address and ipv6_address: the first non-local address for each family.
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"""
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platform = 'Linux'
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def __init__(self):
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Network.__init__(self)
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def populate(self):
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interfaces, ips = self.parse_ip_addr()
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self.facts['interfaces'] = interfaces.keys()
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for iface in interfaces:
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self.facts[iface] = interfaces[iface]
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for key in ips:
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self.facts[key] = ips[key]
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return self.facts
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def parse_ip_addr(self):
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interfaces = {}
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ips = dict(
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all_ipv4_addresses = [],
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all_ipv6_addresses = [],
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ipv4_address = None,
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ipv6_address = None
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)
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output = subprocess.Popen(['ip','addr'], stdout=subprocess.PIPE).communicate()[0]
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for line in output.split('\n'):
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if line:
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words = line.split()
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if not line.startswith(' '):
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device = words[1][0:-1]
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mtu = words[4]
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elif words[0].startswith('link/'):
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iface_type = words[0].split('/')[1]
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if iface_type == 'void':
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macaddress = 'unknown'
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else:
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macaddress = words[1]
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elif words[0] == 'inet':
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address, netmask_length = words[1].split('/')
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address_bin = struct.unpack('!L', socket.inet_aton(address))[0]
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netmask_bin = (1<<32) - (1<<32>>int(netmask_length))
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netmask = socket.inet_ntoa(struct.pack('!L', netmask_bin))
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network = socket.inet_ntoa(struct.pack('!L', address_bin & netmask_bin))
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iface = words[-1]
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# If an interface has multiple IPv4 addresses, make up an
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# interface name for each address
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if iface in interfaces:
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i = 0
|
|
while '{0}:{1}'.format(iface, i) in interfaces:
|
|
i += 1
|
|
iface = '{0}:{1}'.format(iface, i)
|
|
|
|
interfaces[iface] = {}
|
|
interfaces[iface]['macaddress'] = macaddress
|
|
interfaces[iface]['mtu'] = mtu
|
|
interfaces[iface]['device'] = device
|
|
interfaces[iface]['ipv4'] = {'address': address,
|
|
'netmask': netmask,
|
|
'network': network}
|
|
|
|
if not address.startswith('127.'):
|
|
ips['all_ipv4_addresses'].append(address)
|
|
if not ips['ipv4_address'] or ips['ipv4_address'].startswith('127.'):
|
|
ips['ipv4_address'] = address
|
|
|
|
elif words[0] == 'inet6':
|
|
address, prefix = words[1].split('/')
|
|
scope = words[3]
|
|
|
|
iface = device
|
|
if iface not in interfaces:
|
|
interfaces[iface] = {}
|
|
interfaces[iface]['macaddress'] = macaddress
|
|
interfaces[iface]['mtu'] = mtu
|
|
interfaces[iface]['device'] = device
|
|
if 'ipv6' not in interfaces[iface]:
|
|
interfaces[iface]['ipv6'] = []
|
|
interfaces[iface]['ipv6'].append( {
|
|
'address': address,
|
|
'prefix': prefix,
|
|
'scope': scope} )
|
|
|
|
if not address == '::1':
|
|
ips['all_ipv6_addresses'].append(address)
|
|
if not ips['ipv6_address'] or ips['ipv6_address'] == '::1':
|
|
ips['ipv6_address'] = address
|
|
|
|
return interfaces, ips
|
|
|
|
class Virtual(Facts):
|
|
"""
|
|
This is a generic Virtual subclass of Facts. This should be further
|
|
subclassed to implement per platform. If you subclass this,
|
|
you should define:
|
|
- virtualization_type
|
|
- virtualization_role
|
|
|
|
All subclasses MUST define platform.
|
|
"""
|
|
|
|
def __new__(cls, *arguments, **keyword):
|
|
subclass = cls
|
|
for sc in Virtual.__subclasses__():
|
|
if sc.platform == platform.system():
|
|
subclass = sc
|
|
return super(cls, subclass).__new__(subclass, *arguments, **keyword)
|
|
|
|
def __init__(self):
|
|
Facts.__init__(self)
|
|
|
|
def populate(self):
|
|
return self.facts
|
|
|
|
class LinuxVirtual(Virtual):
|
|
"""
|
|
This is a Linux-specific subclass of Virtual. It defines
|
|
- virtualization_type
|
|
- virtualization_role
|
|
"""
|
|
platform = 'Linux'
|
|
|
|
def __init__(self):
|
|
Virtual.__init__(self)
|
|
|
|
def populate(self):
|
|
self.get_virtual_facts()
|
|
return self.facts
|
|
|
|
def get_virtual_facts(self):
|
|
if os.path.exists("/proc/xen"):
|
|
self.facts['virtualization_type'] = 'xen'
|
|
if os.path.exists('/proc/xen/capabilities'):
|
|
self.facts['virtualization_role'] = 'host'
|
|
else:
|
|
self.facts['virtualization_role'] = 'guest'
|
|
|
|
elif os.path.exists('/proc/vz'):
|
|
self.facts['virtualization_type'] = 'openvz'
|
|
if os.path.exists('/proc/vz/version'):
|
|
self.facts['virtualization_role'] = 'host'
|
|
else:
|
|
self.facts['virtualization_role'] = 'guest'
|
|
|
|
elif get_file_content('/sys/devices/virtual/dmi/id/product_name') in ['KVM','Bochs']:
|
|
self.facts['virtualization_type'] = 'kvm'
|
|
self.facts['virtualization_role'] = 'guest'
|
|
|
|
elif get_file_content('/sys/devices/virtual/dmi/id/sys_vendor') == 'VMware, Inc.':
|
|
self.facts['virtualization_type'] = 'VMware'
|
|
self.facts['virtualization_role'] = 'guest'
|
|
|
|
elif get_file_content('/sys/devices/virtual/dmi/id/sys_vendor') == 'Microsoft Corporation':
|
|
self.facts['virtualization_type'] = 'VirtualPC'
|
|
self.facts['virtualization_role'] = 'guest'
|
|
|
|
elif os.path.exists("/proc/modules"):
|
|
modules = []
|
|
for line in open("/proc/modules").readlines():
|
|
data = line.split(" ", 1)
|
|
modules.append(data[0])
|
|
if 'kvm' in modules:
|
|
self.facts['virtualization_type'] = 'kvm'
|
|
self.facts['virtualization_role'] = 'host'
|
|
elif 'vboxdrv' in modules:
|
|
self.facts['virtualization_type'] = 'virtualbox'
|
|
self.facts['virtualization_role'] = 'host'
|
|
elif 'vboxguest' in modules:
|
|
self.facts['virtualization_type'] = 'virtualbox'
|
|
self.facts['virtualization_role'] = 'guest'
|
|
|
|
def get_file_content(path):
|
|
data = None
|
|
if os.path.exists(path) and os.access(path, os.R_OK):
|
|
data = open(path).read().strip()
|
|
if len(data) == 0:
|
|
data = None
|
|
return data
|
|
|
|
def ansible_facts():
|
|
facts = {}
|
|
facts.update(Facts().populate())
|
|
facts.update(Hardware().populate())
|
|
facts.update(Network().populate())
|
|
facts.update(Virtual().populate())
|
|
return facts
|
|
|
|
# ===========================================
|
|
|
|
def run_setup(module):
|
|
|
|
setup_options = {}
|
|
facts = ansible_facts()
|
|
|
|
for (k, v) in facts.items():
|
|
setup_options["ansible_%s" % k] = v
|
|
|
|
# if facter is installed, and we can use --json because
|
|
# ruby-json is ALSO installed, include facter data in the JSON
|
|
|
|
if os.path.exists("/usr/bin/facter"):
|
|
cmd = subprocess.Popen("/usr/bin/facter --json", shell=True,
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
out, err = cmd.communicate()
|
|
facter = True
|
|
try:
|
|
facter_ds = json.loads(out)
|
|
except:
|
|
facter = False
|
|
if facter:
|
|
for (k,v) in facter_ds.items():
|
|
setup_options["facter_%s" % k] = v
|
|
|
|
# ditto for ohai, but just top level string keys
|
|
# because it contains a lot of nested stuff we can't use for
|
|
# templating w/o making a nicer key for it (TODO)
|
|
|
|
if os.path.exists("/usr/bin/ohai"):
|
|
cmd = subprocess.Popen("/usr/bin/ohai", shell=True,
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
out, err = cmd.communicate()
|
|
ohai = True
|
|
try:
|
|
ohai_ds = json.loads(out)
|
|
except:
|
|
ohai = False
|
|
if ohai:
|
|
for (k,v) in ohai_ds.items():
|
|
if type(v) == str or type(v) == unicode:
|
|
k2 = "ohai_%s" % k
|
|
setup_options[k2] = v
|
|
|
|
setup_result = {}
|
|
setup_result['ansible_facts'] = setup_options
|
|
|
|
# hack to keep --verbose from showing all the setup module results
|
|
setup_result['verbose_override'] = True
|
|
|
|
return setup_result
|
|
|
|
def main():
|
|
module = AnsibleModule(
|
|
argument_spec = dict()
|
|
)
|
|
data = run_setup(module)
|
|
module.exit_json(**data)
|
|
|
|
# this is magic, see lib/ansible/module_common.py
|
|
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
|
|
main()
|