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Update setup module for facts derived from classes

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This changes and organizes facts into a base class Facts and several
sub classes that implement the necessary functionality.  The classes
are:
- Facts: base class.  Implements basic facts that should be common to a
  number of platforms.  It is also where SSH keys and SELinux facts are
  set.
- Hardware: A subclass of Facts that should be further
  subclassed per platform for CPU, memory, and related facts.
  - LinuxHardware: subclass of Hardware for Linux platforms
  - SunOSHardware: subclass of Hardware for SunOS platforms
  - FreeBSDHardware: subclass of Hardware for FreeBSD
- Network: A subclass of Facts that that should be further
  subclassed per platform for IP, both IPv4 and IPv6, information.
  - LinuxNetwork: Currently only implementation for determining network
    facts.
- Virtual: A subclass of Facts that that should be further
  subclassed per platform to determine virtual environment facts.
  - LinuxVirtual: Currently only implementation for determining virtual
    facts.

If facts are needed for additional platforms, one of the above classes
(eg Network) can be further subclassed and implement the necessary
functionality.

In addition, it fixes get_network_facts() to work on Fedora17.  That
broke due to changes to ifconfig output.
reviewable/pr18780/r1
Stephen Fromm 12 years ago
parent 830821bf2c
commit 582d31cde6
1 changed files with 524 additions and 257 deletions
Show Stats Download Patch File Download Diff File

629
setup
Unescape Escape View File

@ -42,12 +42,157 @@ try:
except ImportError: except ImportError:
import simplejson as json import simplejson as json
_I386RE = re.compile(r'i[3456]86') class Facts(object):
SIOCGIFCONF = 0x8912 """
SIOCGIFHWADDR = 0x8927 This class should only attempt to populate those facts that
MEMORY_FACTS = ['MemTotal', 'SwapTotal', 'MemFree', 'SwapFree'] are mostly generic to all systems. This includes platform facts,
# DMI bits service facts (eg. ssh keys or selinux), and distribution facts.
DMI_DICT = { 'form_factor': '/sys/devices/virtual/dmi/id/chassis_type', Anything that requires extensive code or may have more than one
possible implementation to establish facts for a given topic should
subclass Facts.
"""
_I386RE = re.compile(r'i[3456]86')
# For the most part, we assume that platform.dist() will tell the truth.
# This is the fallback to handle unknowns or exceptions
OSDIST_DICT = { '/etc/redhat-release': 'RedHat',
'/etc/vmware-release': 'VMwareESX' }
SELINUX_MODE_DICT = { 1: 'enforcing', 0: 'permissive', -1: 'disabled' }
def __init__(self, facts):
self.facts = facts
def populate(self):
self.get_platform_facts()
self.get_distribution_facts()
self.get_public_ssh_host_keys()
self.get_selinux_facts()
# Platform
# patform.system() can be Linux, Darwin, Java, or Windows
def get_platform_facts(self):
self.facts['system'] = platform.system()
self.facts['kernel'] = platform.release()
self.facts['machine'] = platform.machine()
self.facts['python_version'] = platform.python_version()
self.facts['fqdn'] = socket.getfqdn()
self.facts['hostname'] = self.facts['fqdn'].split('.')[0]
if self.facts['machine'] == 'x86_64':
self.facts['architecture'] = self.facts['machine']
elif Facts._I386RE.search(self.facts['machine']):
self.facts['architecture'] = 'i386'
else:
self.facts['archtecture'] = self.facts['machine']
if self.facts['system'] == 'Linux':
self.get_distribution_facts()
# platform.dist() is deprecated in 2.6
# in 2.6 and newer, you should use platform.linux_distribution()
def get_distribution_facts(self):
dist = platform.dist()
self.facts['distribution'] = dist[0].capitalize() or 'NA'
self.facts['distribution_version'] = dist[1] or 'NA'
self.facts['distribution_release'] = dist[2] or 'NA'
# Try to handle the exceptions now ...
for (path, name) in Facts.OSDIST_DICT.items():
if os.path.exists(path):
if self.facts['distribution'] == 'Fedora':
pass
elif name == 'RedHat':
data = get_file_content(path)
if 'Red Hat' in data:
self.facts['distribution'] = name
else:
self.facts['distribution'] = data.split()[0]
else:
self.facts['distribution'] = name
def get_public_ssh_host_keys(self):
dsa = get_file_content('/etc/ssh/ssh_host_dsa_key.pub')
rsa = get_file_content('/etc/ssh/ssh_host_rsa_key.pub')
if dsa is None:
dsa = 'NA'
else:
self.facts['ssh_host_key_dsa_public'] = dsa.split()[1]
if rsa is None:
rsa = 'NA'
else:
self.facts['ssh_host_key_rsa_public'] = rsa.split()[1]
def get_selinux_facts(self):
if not HAVE_SELINUX:
self.facts['selinux'] = False
return
self.facts['selinux'] = {}
if not selinux.is_selinux_enabled():
self.facts['selinux']['status'] = 'disabled'
else:
self.facts['selinux']['status'] = 'enabled'
self.facts['selinux']['policyvers'] = selinux.security_policyvers()
(rc, configmode) = selinux.selinux_getenforcemode()
if rc == 0 and Facts.SELINUX_MODE_DICT.has_key(configmode):
self.facts['selinux']['config_mode'] = Facts.SELINUX_MODE_DICT[configmode]
mode = selinux.security_getenforce()
if Facts.SELINUX_MODE_DICT.has_key(mode):
self.facts['selinux']['mode'] = Facts.SELINUX_MODE_DICT[mode]
(rc, policytype) = selinux.selinux_getpolicytype()
if rc == 0:
self.facts['selinux']['type'] = policytype
class Hardware(Facts):
"""
This is a generic Hardware subclass of Facts. This should be further
subclassed to implement per platform. If you subclass this, it
should define:
- memfree_mb
- memtotal_mb
- swapfree_mb
- swaptotal_mb
- processor (a list)
- processor_cores
- processor_count
All subclasses MUST define platform.
"""
platform = 'Generic'
def __new__(cls, facts, *arguments, **keyword):
subclass = cls
for sc in Hardware.__subclasses__():
if sc.platform == platform.system():
subclass = sc
return super(cls, subclass).__new__(subclass, *arguments, **keyword)
def __init__(self, facts):
Facts.__init__(self, facts)
self.facts['memfree_mb'] = 'NA'
self.facts['memtotal_mb'] = 'NA'
self.facts['swapfree_mb'] = 'NA'
self.facts['swaptotal_mb'] = 'NA'
self.facts['processor'] = ['NA']
self.facts['processor_cores'] = 'NA'
self.facts['processor_count'] = 'NA'
def populate(self):
pass
class LinuxHardware(Hardware):
"""
Linux-specific subclass of Hardware. Defines memory and CPU facts:
- memfree_mb
- memtotal_mb
- swapfree_mb
- swaptotal_mb
- processor (a list)
- processor_cores
- processor_count
In addition, it also defines number of DMI facts.
"""
platform = 'Linux'
MEMORY_FACTS = ['MemTotal', 'SwapTotal', 'MemFree', 'SwapFree']
# DMI bits
DMI_DICT = { 'form_factor': '/sys/devices/virtual/dmi/id/chassis_type',
'product_name': '/sys/devices/virtual/dmi/id/product_name', 'product_name': '/sys/devices/virtual/dmi/id/product_name',
'product_serial': '/sys/devices/virtual/dmi/id/product_serial', 'product_serial': '/sys/devices/virtual/dmi/id/product_serial',
'product_uuid': '/sys/devices/virtual/dmi/id/product_uuid', 'product_uuid': '/sys/devices/virtual/dmi/id/product_uuid',
@ -55,8 +200,8 @@ DMI_DICT = { 'form_factor': '/sys/devices/virtual/dmi/id/chassis_type',
'system_vendor': '/sys/devices/virtual/dmi/id/sys_vendor', 'system_vendor': '/sys/devices/virtual/dmi/id/sys_vendor',
'bios_date': '/sys/devices/virtual/dmi/id/bios_date', 'bios_date': '/sys/devices/virtual/dmi/id/bios_date',
'bios_version': '/sys/devices/virtual/dmi/id/bios_version' } 'bios_version': '/sys/devices/virtual/dmi/id/bios_version' }
# From smolt and DMI spec # From smolt and DMI spec
FORM_FACTOR = [ "Unknown", "Other", "Unknown", "Desktop", FORM_FACTOR = [ "Unknown", "Other", "Unknown", "Desktop",
"Low Profile Desktop", "Pizza Box", "Mini Tower", "Tower", "Low Profile Desktop", "Pizza Box", "Mini Tower", "Tower",
"Portable", "Laptop", "Notebook", "Hand Held", "Docking Station", "Portable", "Laptop", "Notebook", "Hand Held", "Docking Station",
"All In One", "Sub Notebook", "Space-saving", "Lunch Box", "All In One", "Sub Notebook", "Space-saving", "Lunch Box",
@ -64,81 +209,39 @@ FORM_FACTOR = [ "Unknown", "Other", "Unknown", "Desktop",
"Bus Expansion Chassis", "Peripheral Chassis", "RAID Chassis", "Bus Expansion Chassis", "Peripheral Chassis", "RAID Chassis",
"Rack Mount Chassis", "Sealed-case PC", "Multi-system", "Rack Mount Chassis", "Sealed-case PC", "Multi-system",
"CompactPCI", "AdvancedTCA" ] "CompactPCI", "AdvancedTCA" ]
# For the most part, we assume that platform.dist() will tell the truth.
# This is the fallback to handle unknowns or exceptions
OSDIST_DICT = { '/etc/redhat-release': 'RedHat',
'/etc/vmware-release': 'VMwareESX' }
SELINUX_MODE_DICT = { 1: 'enforcing', 0: 'permissive', -1: 'disabled' }
def get_file_content(path): def __init__(self, facts):
if os.path.exists(path) and os.access(path, os.R_OK): Hardware.__init__(self, facts)
data = open(path).read().strip()
if len(data) == 0:
data = None
else:
data = None
return data
# platform.dist() is deprecated in 2.6 def populate(self):
# in 2.6 and newer, you should use platform.linux_distribution() self.get_cpu_facts()
def get_distribution_facts(facts): self.get_memory_facts()
dist = platform.dist() self.get_dmi_facts()
facts['distribution'] = dist[0].capitalize() or 'NA'
facts['distribution_version'] = dist[1] or 'NA'
facts['distribution_release'] = dist[2] or 'NA'
# Try to handle the exceptions now ...
for (path, name) in OSDIST_DICT.items():
if os.path.exists(path):
if facts['distribution'] == 'Fedora':
pass
elif name == 'RedHat':
data = get_file_content(path)
if 'Red Hat' in data:
facts['distribution'] = name
else:
facts['distribution'] = data.split()[0]
else:
facts['distribution'] = name
# Platform
# patform.system() can be Linux, Darwin, Java, or Windows
def get_platform_facts(facts):
facts['system'] = platform.system()
facts['kernel'] = platform.release()
facts['machine'] = platform.machine()
facts['python_version'] = platform.python_version()
if facts['machine'] == 'x86_64':
facts['architecture'] = facts['machine']
elif _I386RE.search(facts['machine']):
facts['architecture'] = 'i386'
else:
facts['archtecture'] = facts['machine']
if facts['system'] == 'Linux':
get_distribution_facts(facts)
def get_memory_facts(facts): def get_memory_facts(self):
if not os.access("/proc/meminfo", os.R_OK): if not os.access("/proc/meminfo", os.R_OK):
return facts return
for line in open("/proc/meminfo").readlines(): for line in open("/proc/meminfo").readlines():
data = line.split(":", 1) data = line.split(":", 1)
key = data[0] key = data[0]
if key in MEMORY_FACTS: if key in LinuxHardware.MEMORY_FACTS:
val = data[1].strip().split(' ')[0] val = data[1].strip().split(' ')[0]
facts["%s_mb" % key.lower()] = long(val) / 1024 self.facts["%s_mb" % key.lower()] = long(val) / 1024
def get_cpu_facts(facts): def get_cpu_facts(self):
i = 0 i = 0
physid = 0 physid = 0
sockets = {} sockets = {}
if not os.access("/proc/cpuinfo", os.R_OK): if not os.access("/proc/cpuinfo", os.R_OK):
return facts return
self.facts['processor'] = []
for line in open("/proc/cpuinfo").readlines(): for line in open("/proc/cpuinfo").readlines():
data = line.split(":", 1) data = line.split(":", 1)
key = data[0].strip() key = data[0].strip()
if key == 'model name': if key == 'model name':
if 'processor' not in facts: if 'processor' not in self.facts:
facts['processor'] = [] self.facts['processor'] = []
facts['processor'].append(data[1].strip()) self.facts['processor'].append(data[1].strip())
i += 1 i += 1
elif key == 'physical id': elif key == 'physical id':
physid = data[1].strip() physid = data[1].strip()
@ -147,71 +250,175 @@ def get_cpu_facts(facts):
elif key == 'cpu cores': elif key == 'cpu cores':
sockets[physid] = int(data[1].strip()) sockets[physid] = int(data[1].strip())
if len(sockets) > 0: if len(sockets) > 0:
facts['processor_count'] = len(sockets) self.facts['processor_count'] = len(sockets)
facts['processor_cores'] = reduce(lambda x, y: x + y, sockets.values()) self.facts['processor_cores'] = reduce(lambda x, y: x + y, sockets.values())
else: else:
facts['processor_count'] = i self.facts['processor_count'] = i
facts['processor_cores'] = 'NA' self.facts['processor_cores'] = 'NA'
def get_hardware_facts(facts): def get_dmi_facts(self):
get_memory_facts(facts) for (key,path) in LinuxHardware.DMI_DICT.items():
get_cpu_facts(facts)
for (key,path) in DMI_DICT.items():
data = get_file_content(path) data = get_file_content(path)
if data is not None: if data is not None:
if key == 'form_factor': if key == 'form_factor':
facts['form_factor'] = FORM_FACTOR[int(data)] self.facts['form_factor'] = LinuxHardware.FORM_FACTOR[int(data)]
else: else:
facts[key] = data self.facts[key] = data
else: else:
facts[key] = 'NA' self.facts[key] = 'NA'
def get_linux_virtual_facts(facts): class SunOSHardware(Hardware):
if os.path.exists("/proc/xen"): """
facts['virtualization_type'] = 'xen' In addition to the generic memory and cpu facts, this also sets
facts['virtualization_role'] = 'guest' swap_reserved_mb and swap_allocated_mb that is available from *swap -s*.
if os.path.exists("/proc/xen/capabilities"): """
facts['virtualization_role'] = 'host' platform = 'SunOS'
if os.path.exists("/proc/modules"):
modules = [] def __init__(self, facts):
for line in open("/proc/modules").readlines(): Hardware.__init__(self, facts)
data = line.split(" ", 1)
modules.append(data[0]) def populate(self):
if 'kvm' in modules: self.get_cpu_facts()
facts['virtualization_type'] = 'kvm' self.get_memory_facts()
facts['virtualization_role'] = 'host'
elif 'vboxdrv' in modules: def get_cpu_facts(self):
facts['virtualization_type'] = 'virtualbox' cmd = subprocess.Popen("/usr/sbin/psrinfo -v", shell=True,
facts['virtualization_role'] = 'host' stdout=subprocess.PIPE, stderr=subprocess.PIPE)
elif 'vboxguest' in modules: out, err = cmd.communicate()
facts['virtualization_type'] = 'virtualbox' self.facts['processor'] = []
facts['virtualization_role'] = 'guest' for line in out.split('\n'):
if 'QEMU' in facts['processor'][0]: if 'processor operates' in line:
facts['virtualization_type'] = 'kvm' if 'processor' not in self.facts:
facts['virtualization_role'] = 'guest' self.facts['processor'] = []
if facts['distribution'] == 'VMwareESX': self.facts['processor'].append(line.strip())
facts['virtualization_type'] = 'VMware' self.facts['processor_cores'] = 'NA'
facts['virtualization_role'] = 'host' self.facts['processor_count'] = len(self.facts['processor'])
# You can spawn a dmidecode process and parse that or infer from devices
for dev_model in glob.glob('/sys/block/?da/device/vendor'): def get_memory_facts(self):
info = open(dev_model).read() cmd = subprocess.Popen("/usr/sbin/prtconf", shell=False,
if 'VMware' in info: stdout=subprocess.PIPE, stderr=subprocess.PIPE)
facts['virtualization_type'] = 'VMware' out, err = cmd.communicate()
facts['virtualization_role'] = 'guest' for line in out.split('\n'):
elif 'Virtual HD' in info or 'Virtual CD' in info: if 'Memory size' in line:
facts['virtualization_type'] = 'VirtualPC' self.facts['memtotal_mb'] = line.split()[2]
facts['virtualization_role'] = 'guest' cmd = subprocess.Popen("/usr/sbin/swap -s", shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
def get_virtual_facts(facts): out, err = cmd.communicate()
facts['virtualization_type'] = 'None' allocated = long(out.split()[1][:-1])
facts['virtualization_role'] = 'None' reserved = long(out.split()[5][:-1])
if facts['system'] == 'Linux': used = long(out.split()[8][:-1])
facts = get_linux_virtual_facts(facts) free = long(out.split()[10][:-1])
self.facts['swapfree_mb'] = free / 1024
# get list of interfaces that are up self.facts['swaptotal_mb'] = (free + used) / 1024
def get_interfaces(facts): self.facts['swap_allocated_mb'] = allocated / 1024
if facts['system'] == 'SunOS': self.facts['swap_reserved_mb'] = reserved / 1024
return []
class FreeBSDHardware(Hardware):
"""
FreeBSD-specific subclass of Hardware. Defines memory and CPU facts:
- memfree_mb
- memtotal_mb
- swapfree_mb
- swaptotal_mb
- processor (a list)
- processor_cores
- processor_count
"""
platform = 'FreeBSD'
DMESG_BOOT = '/var/run/dmesg.boot'
def __init__(self, facts):
Hardware.__init__(self, facts)
def populate(self):
self.get_cpu_facts()
self.get_memory_facts()
def get_cpu_facts(self):
self.facts['processor'] = []
cmd = subprocess.Popen("/sbin/sysctl -n hw.ncpu", shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate()
self.facts['processor_count'] = out.strip()
for line in open(FreeBSDHardware.DMESG_BOOT).readlines():
if 'CPU:' in line:
cpu = re.sub(r'CPU:\s+', r"", line)
self.facts['processor'].append(cpu.strip())
if 'Logical CPUs per core' in line:
self.facts['processor_cores'] = line.split()[4]
def get_memory_facts(self):
cmd = subprocess.Popen("/sbin/sysctl vm.stats", shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate()
for line in out.split('\n'):
data = line.split()
if 'vm.stats.vm.v_page_size' in line:
pagesize = long(data[1])
if 'vm.stats.vm.v_page_count' in line:
pagecount = long(data[1])
if 'vm.stats.vm.v_free_count' in line:
freecount = long(data[1])
self.facts['memtotal_mb'] = pagesize * pagecount / 1024 / 1024
self.facts['memfree_mb'] = pagesize * freecount / 1024 / 1024
# Get swapinfo. swapinfo output looks like:
# Device 1M-blocks Used Avail Capacity
# /dev/ada0p3 314368 0 314368 0%
#
cmd = subprocess.Popen("/usr/sbin/swapinfo -m", shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate()
lines = out.split('\n')
if len(lines[-1]) == 0:
lines.pop()
data = lines[-1].split()
self.facts['swaptotal_mb'] = data[1]
self.facts['swapfree_mb'] = data[3]
class Network(Facts):
"""
This is a generic Network subclass of Facts. This should be further
subclassed to implement per platform. If you subclass this,
you must define:
- interfaces (a list of interface names)
- interface_<name> dictionary of ipv4, ipv6, and mac address information.
All subclasses MUST define platform.
"""
platform = 'Generic'
def __new__(cls, facts, *arguments, **keyword):
subclass = cls
for sc in Network.__subclasses__():
if sc.platform == platform.system():
subclass = sc
return super(cls, subclass).__new__(subclass, *arguments, **keyword)
def __init__(self, facts):
Facts.__init__(self, facts)
self.facts['interfaces'] = ['NA']
def populate(self):
pass
class LinuxNetwork(Network):
"""
This is a Linux-specific subclass of Network. It defines
- interfaces (a list of interface names)
- interface_<name> dictionary of ipv4, ipv6, and mac address information.
"""
platform = 'Linux'
SIOCGIFCONF = 0x8912
SIOCGIFHWADDR = 0x8927
def __init__(self, facts):
Network.__init__(self, facts)
def populate(self):
self.get_network_facts()
# get list of interfaces that are up
def get_interfaces(self):
length = 4096 length = 4096
offset = 32 offset = 32
step = 32 step = 32
@ -221,93 +428,153 @@ def get_interfaces(facts):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
names = array.array('B', '\0' * length) names = array.array('B', '\0' * length)
bytelen = struct.unpack('iL', fcntl.ioctl( bytelen = struct.unpack('iL', fcntl.ioctl(
s.fileno(), SIOCGIFCONF, struct.pack( s.fileno(), LinuxNetwork.SIOCGIFCONF, struct.pack(
'iL', length, names.buffer_info()[0]) 'iL', length, names.buffer_info()[0])
))[0] ))[0]
return [names.tostring()[i:i+offset].split('\0', 1)[0] return [names.tostring()[i:i+offset].split('\0', 1)[0]
for i in range(0, bytelen, step)] for i in range(0, bytelen, step)]
def get_iface_hwaddr(iface): def get_iface_hwaddr(self, iface):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
info = fcntl.ioctl(s.fileno(), SIOCGIFHWADDR, info = fcntl.ioctl(s.fileno(), LinuxNetwork.SIOCGIFHWADDR,
struct.pack('256s', iface[:15])) struct.pack('256s', iface[:15]))
return ''.join(['%02x:' % ord(char) for char in info[18:24]])[:-1] return ''.join(['%02x:' % ord(char) for char in info[18:24]])[:-1]
def get_network_facts(facts): def get_network_facts(self):
facts['fqdn'] = socket.getfqdn() self.facts['interfaces'] = self.get_interfaces()
facts['hostname'] = facts['fqdn'].split('.')[0] for iface in self.facts['interfaces']:
facts['interfaces'] = get_interfaces(facts) self.facts[iface] = { 'macaddress': self.get_iface_hwaddr(iface) }
for iface in facts['interfaces']:
facts[iface] = { 'macaddress': get_iface_hwaddr(iface) }
# This is lame, but there doesn't appear to be a good way # This is lame, but there doesn't appear to be a good way
# to get all addresses for both IPv4 and IPv6. # to get all addresses for both IPv4 and IPv6.
cmd = subprocess.Popen("/sbin/ifconfig %s" % iface, shell=True, cmd = subprocess.Popen("/sbin/ifconfig %s" % iface, shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE) stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate() out, err = cmd.communicate()
for line in out.split('\n'): for line in out.split('\n'):
is_ipv4 = False
data = line.split() data = line.split()
if 'inet addr' in line: if 'inet addr' in line:
if 'ipv4' not in facts[iface]: if 'ipv4' not in self.facts[iface]:
facts[iface]['ipv4'] = {} self.facts[iface]['ipv4'] = {}
facts[iface]['ipv4'] = { 'address': data[1].split(':')[1], is_ipv4 = True
self.facts[iface]['ipv4'] = { 'address': data[1].split(':')[1],
'netmask': data[-1].split(':')[1] } 'netmask': data[-1].split(':')[1] }
ip = struct.unpack("!L", socket.inet_aton(facts[iface]['ipv4']['address']))[0] # Slightly different output in net-tools-1.60-134.20120127git
mask = struct.unpack("!L", socket.inet_aton(facts[iface]['ipv4']['netmask']))[0] # Looks like
facts[iface]['ipv4']['network'] = socket.inet_ntoa(struct.pack("!L", ip & mask)) # inet 192.168.1.2 netmask 255.255.255.0 broadcast 192.168.1.255
elif 'inet ' in line:
is_ipv4 = True
if 'ipv4' not in self.facts[iface]:
self.facts[iface]['ipv4'] = {}
self.facts[iface]['ipv4'] = { 'address': data[1],
'netmask': data[3] }
if is_ipv4:
ip = struct.unpack("!L", socket.inet_aton(self.facts[iface]['ipv4']['address']))[0]
mask = struct.unpack("!L", socket.inet_aton(self.facts[iface]['ipv4']['netmask']))[0]
self.facts[iface]['ipv4']['network'] = socket.inet_ntoa(struct.pack("!L", ip & mask))
if 'inet6 addr' in line: if 'inet6 addr' in line:
(ip, prefix) = data[2].split('/') (ip, prefix) = data[2].split('/')
scope = data[3].split(':')[1].lower() scope = data[3].split(':')[1].lower()
if 'ipv6' not in facts[iface]: if 'ipv6' not in self.facts[iface]:
facts[iface]['ipv6'] = [] self.facts[iface]['ipv6'] = []
facts[iface]['ipv6'].append( { 'address': ip, self.facts[iface]['ipv6'].append( { 'address': ip,
'prefix': prefix, 'prefix': prefix,
'scope': scope } ) 'scope': scope } )
return facts # Slightly different output in net-tools-1.60-134.20120127git
# Looks like
# inet6 fe80::21b:21ff:fe6e:5baa prefixlen 64 scopeid 0x20<link>
elif 'inet6 ' in line:
if 'ipv6' not in self.facts[iface]:
self.facts[iface]['ipv6'] = []
scope = data[5].split('<')[1][:-1]
self.facts[iface]['ipv6'].append( { 'address': data[1],
'prefix': data[3],
'scope': scope } )
def get_public_ssh_host_keys(facts): class Virtual(Facts):
dsa = get_file_content('/etc/ssh/ssh_host_dsa_key.pub') """
rsa = get_file_content('/etc/ssh/ssh_host_rsa_key.pub') This is a generic Virtual subclass of Facts. This should be further
if dsa is None: subclassed to implement per platform. If you subclass this,
dsa = 'NA' you should define:
else: - virtualization_type
facts['ssh_host_key_dsa_public'] = dsa.split()[1] - virtualization_role
if rsa is None:
rsa = 'NA' All subclasses MUST define platform.
else: """
facts['ssh_host_key_rsa_public'] = rsa.split()[1]
def __new__(cls, facts, *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):
Facts.__init__(self, facts)
self.facts['virtualization_type'] = 'NA'
self.facts['virtualization_role'] = 'NA'
def populate(self):
pass
def get_selinux_facts(facts): class LinuxVirtual(Virtual):
if not HAVE_SELINUX: """
facts['selinux'] = False This is a Linux-specific subclass of Virtual. It defines
return - virtualization_type
facts['selinux'] = {} - virtualization_role
if not selinux.is_selinux_enabled(): """
facts['selinux']['status'] = 'disabled' platform = 'Linux'
else:
facts['selinux']['status'] = 'enabled' def __init__(self, facts):
facts['selinux']['policyvers'] = selinux.security_policyvers() Virtual.__init__(self, facts)
(rc, configmode) = selinux.selinux_getenforcemode() self.facts = facts
if rc == 0 and SELINUX_MODE_DICT.has_key(configmode):
facts['selinux']['config_mode'] = SELINUX_MODE_DICT[configmode]
mode = selinux.security_getenforce()
if SELINUX_MODE_DICT.has_key(mode):
facts['selinux']['mode'] = SELINUX_MODE_DICT[mode]
(rc, policytype) = selinux.selinux_getpolicytype()
if rc == 0:
facts['selinux']['type'] = policytype
def get_service_facts(facts): def populate(self):
get_public_ssh_host_keys(facts) if os.path.exists("/proc/xen"):
get_selinux_facts(facts) self.facts['virtualization_type'] = 'xen'
self.facts['virtualization_role'] = 'guest'
if os.path.exists("/proc/xen/capabilities"):
self.facts['virtualization_role'] = 'host'
if 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'
if 'QEMU' in self.facts['processor'][0]:
self.facts['virtualization_type'] = 'kvm'
self.facts['virtualization_role'] = 'guest'
if self.facts['distribution'] == 'VMwareESX':
self.facts['virtualization_type'] = 'VMware'
self.facts['virtualization_role'] = 'host'
# You can spawn a dmidecode process and parse that or infer from devices
for dev_model in glob.glob('/sys/block/?da/device/vendor'):
info = open(dev_model).read()
if 'VMware' in info:
self.facts['virtualization_type'] = 'VMware'
self.facts['virtualization_role'] = 'guest'
elif 'Virtual HD' in info or 'Virtual CD' in info:
self.facts['virtualization_type'] = 'VirtualPC'
self.facts['virtualization_role'] = 'guest'
def ansible_facts(): def ansible_facts():
facts = {} facts = {}
get_platform_facts(facts) f = Facts(facts)
get_hardware_facts(facts) f.populate()
get_virtual_facts(facts) f = Hardware(f.facts)
get_network_facts(facts) f.populate()
get_service_facts(facts) f = Network(f.facts)
return facts f.populate()
f = Virtual(f.facts)
f.populate()
return f.facts
# =========================================== # ===========================================

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