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Merge pull request #631 from sfromm/facts

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Update setup module for facts derived from classes - take 2
reviewable/pr18780/r1
Michael DeHaan 13 years ago
parent 853d1179e0 9f063f1d3d
commit 51160d96f1
1 changed files with 539 additions and 254 deletions
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793
setup
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@ -42,271 +42,556 @@ try:
except ImportError:
import simplejson as json
_I386RE = re.compile(r'i[3456]86')
SIOCGIFCONF = 0x8912
SIOCGIFHWADDR = 0x8927
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_serial': '/sys/devices/virtual/dmi/id/product_serial',
'product_uuid': '/sys/devices/virtual/dmi/id/product_uuid',
'product_version': '/sys/devices/virtual/dmi/id/product_version',
'system_vendor': '/sys/devices/virtual/dmi/id/sys_vendor',
'bios_date': '/sys/devices/virtual/dmi/id/bios_date',
'bios_version': '/sys/devices/virtual/dmi/id/bios_version' }
# From smolt and DMI spec
FORM_FACTOR = [ "Unknown", "Other", "Unknown", "Desktop",
"Low Profile Desktop", "Pizza Box", "Mini Tower", "Tower",
"Portable", "Laptop", "Notebook", "Hand Held", "Docking Station",
"All In One", "Sub Notebook", "Space-saving", "Lunch Box",
"Main Server Chassis", "Expansion Chassis", "Sub Chassis",
"Bus Expansion Chassis", "Peripheral Chassis", "RAID Chassis",
"Rack Mount Chassis", "Sealed-case PC", "Multi-system",
"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):
if os.path.exists(path) and os.access(path, os.R_OK):
data = open(path).read().strip()
if len(data) == 0:
data = None
else:
data = None
return data
class Facts(object):
"""
This class should only attempt to populate those facts that
are mostly generic to all systems. This includes platform facts,
service facts (eg. ssh keys or selinux), and distribution facts.
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):
self.facts = {}
self.get_platform_facts()
self.get_distribution_facts()
self.get_public_ssh_host_keys()
self.get_selinux_facts()
def populate(self):
return self.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
# platform.dist() is deprecated in 2.6
# in 2.6 and newer, you should use platform.linux_distribution()
def get_distribution_facts(facts):
dist = platform.dist()
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
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, *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.__init__(self)
def populate(self):
return self.facts
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_serial': '/sys/devices/virtual/dmi/id/product_serial',
'product_uuid': '/sys/devices/virtual/dmi/id/product_uuid',
'product_version': '/sys/devices/virtual/dmi/id/product_version',
'system_vendor': '/sys/devices/virtual/dmi/id/sys_vendor',
'bios_date': '/sys/devices/virtual/dmi/id/bios_date',
'bios_version': '/sys/devices/virtual/dmi/id/bios_version' }
# From smolt and DMI spec
FORM_FACTOR = [ "Unknown", "Other", "Unknown", "Desktop",
"Low Profile Desktop", "Pizza Box", "Mini Tower", "Tower",
"Portable", "Laptop", "Notebook", "Hand Held", "Docking Station",
"All In One", "Sub Notebook", "Space-saving", "Lunch Box",
"Main Server Chassis", "Expansion Chassis", "Sub Chassis",
"Bus Expansion Chassis", "Peripheral Chassis", "RAID Chassis",
"Rack Mount Chassis", "Sealed-case PC", "Multi-system",
"CompactPCI", "AdvancedTCA" ]
def __init__(self):
Hardware.__init__(self)
def populate(self):
self.get_cpu_facts()
self.get_memory_facts()
self.get_dmi_facts()
return self.facts
def get_memory_facts(self):
if not os.access("/proc/meminfo", os.R_OK):
return
for line in open("/proc/meminfo").readlines():
data = line.split(":", 1)
key = data[0]
if key in LinuxHardware.MEMORY_FACTS:
val = data[1].strip().split(' ')[0]
self.facts["%s_mb" % key.lower()] = long(val) / 1024
def get_cpu_facts(self):
i = 0
physid = 0
sockets = {}
if not os.access("/proc/cpuinfo", os.R_OK):
return
self.facts['processor'] = []
for line in open("/proc/cpuinfo").readlines():
data = line.split(":", 1)
key = data[0].strip()
if key == 'model name':
if 'processor' not in self.facts:
self.facts['processor'] = []
self.facts['processor'].append(data[1].strip())
i += 1
elif key == 'physical id':
physid = data[1].strip()
if physid not in sockets:
sockets[physid] = 1
elif key == 'cpu cores':
sockets[physid] = int(data[1].strip())
if len(sockets) > 0:
self.facts['processor_count'] = len(sockets)
self.facts['processor_cores'] = reduce(lambda x, y: x + y, sockets.values())
else:
self.facts['processor_count'] = i
self.facts['processor_cores'] = 'NA'
def get_dmi_facts(self):
for (key,path) in LinuxHardware.DMI_DICT.items():
data = get_file_content(path)
if data is not None:
if key == 'form_factor':
self.facts['form_factor'] = LinuxHardware.FORM_FACTOR[int(data)]
else:
facts['distribution'] = data.split()[0]
self.facts[key] = data
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):
if not os.access("/proc/meminfo", os.R_OK):
return facts
for line in open("/proc/meminfo").readlines():
data = line.split(":", 1)
key = data[0]
if key in MEMORY_FACTS:
val = data[1].strip().split(' ')[0]
facts["%s_mb" % key.lower()] = long(val) / 1024
def get_cpu_facts(facts):
i = 0
physid = 0
sockets = {}
if not os.access("/proc/cpuinfo", os.R_OK):
return facts
for line in open("/proc/cpuinfo").readlines():
data = line.split(":", 1)
key = data[0].strip()
if key == 'model name':
if 'processor' not in facts:
facts['processor'] = []
facts['processor'].append(data[1].strip())
i += 1
elif key == 'physical id':
physid = data[1].strip()
if physid not in sockets:
sockets[physid] = 1
elif key == 'cpu cores':
sockets[physid] = int(data[1].strip())
if len(sockets) > 0:
facts['processor_count'] = len(sockets)
facts['processor_cores'] = reduce(lambda x, y: x + y, sockets.values())
else:
facts['processor_count'] = i
facts['processor_cores'] = 'NA'
def get_hardware_facts(facts):
get_memory_facts(facts)
get_cpu_facts(facts)
for (key,path) in DMI_DICT.items():
data = get_file_content(path)
if data is not None:
if key == 'form_factor':
facts['form_factor'] = FORM_FACTOR[int(data)]
else:
facts[key] = data
else:
facts[key] = 'NA'
def get_linux_virtual_facts(facts):
if os.path.exists("/proc/xen"):
facts['virtualization_type'] = 'xen'
facts['virtualization_role'] = 'guest'
if os.path.exists("/proc/xen/capabilities"):
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:
facts['virtualization_type'] = 'kvm'
facts['virtualization_role'] = 'host'
elif 'vboxdrv' in modules:
facts['virtualization_type'] = 'virtualbox'
facts['virtualization_role'] = 'host'
elif 'vboxguest' in modules:
facts['virtualization_type'] = 'virtualbox'
facts['virtualization_role'] = 'guest'
if 'QEMU' in facts['processor'][0]:
facts['virtualization_type'] = 'kvm'
facts['virtualization_role'] = 'guest'
if facts['distribution'] == 'VMwareESX':
facts['virtualization_type'] = 'VMware'
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:
facts['virtualization_type'] = 'VMware'
facts['virtualization_role'] = 'guest'
elif 'Virtual HD' in info or 'Virtual CD' in info:
facts['virtualization_type'] = 'VirtualPC'
facts['virtualization_role'] = 'guest'
def get_virtual_facts(facts):
facts['virtualization_type'] = 'None'
facts['virtualization_role'] = 'None'
if facts['system'] == 'Linux':
facts = get_linux_virtual_facts(facts)
# get list of interfaces that are up
def get_interfaces(facts):
if facts['system'] == 'SunOS':
return []
length = 4096
offset = 32
step = 32
if platform.architecture()[0] == '64bit':
offset = 16
step = 40
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
names = array.array('B', '\0' * length)
bytelen = struct.unpack('iL', fcntl.ioctl(
s.fileno(), SIOCGIFCONF, struct.pack(
'iL', length, names.buffer_info()[0])
))[0]
return [names.tostring()[i:i+offset].split('\0', 1)[0]
for i in range(0, bytelen, step)]
def get_iface_hwaddr(iface):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
info = fcntl.ioctl(s.fileno(), SIOCGIFHWADDR,
struct.pack('256s', iface[:15]))
return ''.join(['%02x:' % ord(char) for char in info[18:24]])[:-1]
def get_network_facts(facts):
facts['fqdn'] = socket.getfqdn()
facts['hostname'] = facts['fqdn'].split('.')[0]
facts['interfaces'] = get_interfaces(facts)
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
# to get all addresses for both IPv4 and IPv6.
cmd = subprocess.Popen("/sbin/ifconfig %s" % iface, shell=True,
self.facts[key] = 'NA'
class SunOSHardware(Hardware):
"""
In addition to the generic memory and cpu facts, this also sets
swap_reserved_mb and swap_allocated_mb that is available from *swap -s*.
"""
platform = 'SunOS'
def __init__(self):
Hardware.__init__(self)
def populate(self):
self.get_cpu_facts()
self.get_memory_facts()
return self.facts
def get_cpu_facts(self):
cmd = subprocess.Popen("/usr/sbin/psrinfo -v", shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate()
self.facts['processor'] = []
for line in out.split('\n'):
if 'processor operates' in line:
if 'processor' not in self.facts:
self.facts['processor'] = []
self.facts['processor'].append(line.strip())
self.facts['processor_cores'] = 'NA'
self.facts['processor_count'] = len(self.facts['processor'])
def get_memory_facts(self):
cmd = subprocess.Popen("/usr/sbin/prtconf", shell=False,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate()
for line in out.split('\n'):
if 'Memory size' in line:
self.facts['memtotal_mb'] = line.split()[2]
cmd = subprocess.Popen("/usr/sbin/swap -s", shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate()
allocated = long(out.split()[1][:-1])
reserved = long(out.split()[5][:-1])
used = long(out.split()[8][:-1])
free = long(out.split()[10][:-1])
self.facts['swapfree_mb'] = free / 1024
self.facts['swaptotal_mb'] = (free + used) / 1024
self.facts['swap_allocated_mb'] = allocated / 1024
self.facts['swap_reserved_mb'] = reserved / 1024
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):
Hardware.__init__(self)
def populate(self):
self.get_cpu_facts()
self.get_memory_facts()
return self.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 'inet addr' in line:
if 'ipv4' not in facts[iface]:
facts[iface]['ipv4'] = {}
facts[iface]['ipv4'] = { 'address': data[1].split(':')[1],
'netmask': data[-1].split(':')[1] }
ip = struct.unpack("!L", socket.inet_aton(facts[iface]['ipv4']['address']))[0]
mask = struct.unpack("!L", socket.inet_aton(facts[iface]['ipv4']['netmask']))[0]
facts[iface]['ipv4']['network'] = socket.inet_ntoa(struct.pack("!L", ip & mask))
if 'inet6 addr' in line:
(ip, prefix) = data[2].split('/')
scope = data[3].split(':')[1].lower()
if 'ipv6' not in facts[iface]:
facts[iface]['ipv6'] = []
facts[iface]['ipv6'].append( { 'address': ip,
'prefix': prefix,
'scope': scope } )
return facts
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'
IPV6_SCOPE = { '0' : 'global',
'10' : 'host',
'20' : 'link',
'40' : 'admin',
'50' : 'site',
'80' : 'organization' }
def __new__(cls, *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.__init__(self)
def populate(self):
return self.facts
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'
def __init__(self):
Network.__init__(self)
def populate(self):
self.facts['interfaces'] = self.get_interfaces()
self.get_interface_facts()
self.get_ipv4_facts()
self.get_ipv6_facts()
return self.facts
# get list of interfaces
def get_interfaces(self):
names = []
data = get_file_content('/proc/net/dev')
# Format of /proc/net/dev is:
# Inter-| Receive ...
# face |bytes ...
# lo: 595059
for line in data.split('\n'):
if ':' in line:
names.append(line.split(':')[0].strip())
return names
def get_iface_hwaddr(self, iface):
data = get_file_content('/sys/class/net/%s/address' % iface)
if data is None:
return 'unknown'
else:
return data.strip()
def get_interface_facts(self):
for iface in self.facts['interfaces']:
if iface not in self.facts:
self.facts[iface] = {}
self.facts[iface] = { 'macaddress': self.get_iface_hwaddr(iface) }
if os.path.exists('/sys/class/net/%s/mtu' % iface):
mtu = get_file_content('/sys/class/net/%s/mtu' % iface)
self.facts[iface]['mtu'] = mtu.strip()
def get_ipv4_facts(self):
for iface in self.facts['interfaces']:
# This is lame, but there doesn't appear to be a good way
# to get all addresses for both IPv4 and IPv6.
cmd = subprocess.Popen("/sbin/ifconfig %s" % iface, shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate()
for line in out.split('\n'):
is_ipv4 = False
data = line.split()
if 'inet addr' in line:
if 'ipv4' not in self.facts[iface]:
self.facts[iface]['ipv4'] = {}
is_ipv4 = True
self.facts[iface]['ipv4'] = { 'address': data[1].split(':')[1],
'netmask': data[-1].split(':')[1] }
# Slightly different output in net-tools-1.60-134.20120127git
# Looks like
# 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))
def get_ipv6_facts(self):
data = get_file_content('/proc/net/if_inet6')
if data is None:
return
for line in data.split('\n'):
l = line.split()
iface = l[5]
if 'ipv6' not in self.facts[iface]:
self.facts[iface]['ipv6'] = []
scope = l[3]
if Network.IPV6_SCOPE.has_key(l[3]):
scope = Network.IPV6_SCOPE[l[3]]
prefix = int(l[2], 16)
str_addr = ':'.join( [ l[0][i:i+4] for i in range(0, len(l[0]), 4) ] )
# Normalize ipv6 address from format in /proc/net/if_inet6
addr = socket.inet_ntop(socket.AF_INET6,
socket.inet_pton(socket.AF_INET6, str_addr))
self.facts[iface]['ipv6'].append( { 'address': addr,
'prefix': prefix,
'scope': scope } )
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'
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'
data = get_file_content('/proc/cpuinfo')
if 'QEMU' in data:
self.facts['virtualization_type'] = 'kvm'
self.facts['virtualization_role'] = 'guest'
if 'distribution' in self.facts and 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 get_public_ssh_host_keys(facts):
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:
facts['ssh_host_key_dsa_public'] = dsa.split()[1]
if rsa is None:
rsa = 'NA'
else:
facts['ssh_host_key_rsa_public'] = rsa.split()[1]
def get_selinux_facts(facts):
if not HAVE_SELINUX:
facts['selinux'] = False
return
facts['selinux'] = {}
if not selinux.is_selinux_enabled():
facts['selinux']['status'] = 'disabled'
else:
facts['selinux']['status'] = 'enabled'
facts['selinux']['policyvers'] = selinux.security_policyvers()
(rc, configmode) = selinux.selinux_getenforcemode()
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):
get_public_ssh_host_keys(facts)
get_selinux_facts(facts)
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 = {}
get_platform_facts(facts)
get_hardware_facts(facts)
get_virtual_facts(facts)
get_network_facts(facts)
get_service_facts(facts)
facts.update(Facts().populate())
facts.update(Hardware().populate())
facts.update(Network().populate())
facts.update(Virtual().populate())
return facts
# ===========================================

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