def disable(self, service):
if not AbstractServiceManager.CHCONF_AVAILABLE:
raise NotImplementedError()
try:
utils.execute('chkconfig', '--del', str(service))
except ScalixExternalCommandFailed as _:
return False
return True
def enable(self, service):
if not AbstractServiceManager.CHCONF_AVAILABLE:
raise NotImplementedError()
try:
cmd = ['chkconfig', '--level', '345', str(service), 'on']
utils.execute(cmd)
except ScalixExternalCommandFailed as _:
return False
return True
def __init__(self, name):
self.name = name
self.__exists = False
self.commands = []
try:
utils.execute('service', self.name)
except ScalixExternalCommandFailed as exception:
output = exception.stderr or exception.stdout
commands = output.split(' ')[-1].strip()
commands = commands.strip('{}')
self.commands = [arg.strip() for arg in commands.split('|')]
self.__exists = True
def get_ips(self):
""" get ips setted in system local netwoworks which starts with
127.x.x.x or 192.x.x.x will ignore
@rtype list
@return list of ip's in system
"""
#print(socket.gethostbyname(socket.gethostname()))
try:
lines = utils.execute("ip", "address", "|",
utils.bash_command("grep"),
"[[:space:]]inet[[:space:]]")
pattern = r"inet\s(\d{1,3}[^127|^192]\.\d{1,3}\.\d{1,3}\.\d{1,3})"
result = []
for line in lines:
match = re.match(pattern, line.strip())
if match:
result.append(match.group(1))
return result
except ScalixExternalCommandException as exception:
logger.warning("Could not get ips ", exception)
return False
def reload(self, force=False):
if force:
return self.force_reload()
try:
return utils.execute('service', self.name, 'reload')
except ScalixExternalCommandException as exception:
logger.critical("failed to reload service", exception)
def get_ips(self):
""" get ips setted in system local netwoworks which starts with
127.x.x.x or 192.x.x.x will ignore
@rtype list
@return list of ip's in system
"""
#print(socket.gethostbyname(socket.gethostname()))
try:
lines = utils.execute("ip", "address", "|",
utils.bash_command("grep"),
"[[:space:]]inet[[:space:]]")
pattern = r"inet\s(\d{1,3}[^127|^192]\.\d{1,3}\.\d{1,3}\.\d{1,3})"
result = []
for line in lines:
match = re.match(pattern, line.strip())
if match:
result.append(match.group(1))
return result
except ScalixExternalCommandException as exception:
logger.warning("Could not get ips ", exception)
return False
def run_levels(self):
levels = []
if AbstractServiceManager.CHCONF_AVAILABLE:
try:
lines = utils.execute('chkconfig', '--list', self.name)
levels = re.findall(r'(\d)\:on', lines[0])
except ScalixExternalCommandFailed as _:
# got message service * supports chkconfig,
# but is not referenced in any runlevel
# (run 'chkconfig --add httpd')
pass
else:
cmd = ['ls', '-1', '/etc/rc?.d/*{0}'.format(self.name)]
lines = utils.execute(cmd, escape=False)
levels = [line[7] for line in lines]
return levels
def is_running(self):
cmd = [
'ps', 'aux', '|',
utils.bash_command('grep'),
"$(echo '{0}' | sed s/^\(.\)/[\\1]/g )".format(self.name)
]
lines = utils.execute(cmd)
return not lines
def __call__(self, *args):
cmd = ['service', self.name]
if args[0] not in self.commands:
raise NotImplementedError(
"Service {name} does not support {cmd}".format(name=self.name,
cmd=args[0]))
cmd.append(*args)
try:
return utils.execute(cmd)
except ScalixExternalCommandException as exception:
logger.critical("Service init failed ", exception)
def get_mx_records(self, domain):
""" tries to get mx record for domain
@type bool
@return True or False
"""
try:
lines = utils.execute("dig", "-t", "MX", "+short", domain)
return [i.strip() for i in lines]
except ScalixExternalCommandException as exception:
logger.warning("Could not get MX records ", exception)
return False
def get_mx_records(self, domain):
""" tries to get mx record for domain
@type bool
@return True or False
"""
try:
lines = utils.execute("dig", "-t", "MX", "+short", domain)
return [i.strip() for i in lines]
except ScalixExternalCommandException as exception:
logger.warning("Could not get MX records ", exception)
return False
def run_level(self):
"""Returns run level on linux
@rtype: int
@return int if could not determine run level it will return -1
"""
try:
cmd = ["runlevel", "|", utils.bash_command("gawk"), "'{print $2}'"]
return int(utils.execute(cmd)[0])
except ScalixExternalCommandException as exception:
logger.critical("Could not get run level", exception)
return -1
def run_level(self):
"""Returns run level on linux
@rtype: int
@return int if could not determine run level it will return -1
"""
try:
cmd = ["runlevel", "|", utils.bash_command("gawk"), "'{print $2}'"]
return int(utils.execute(cmd)[0])
except ScalixExternalCommandException as exception:
logger.critical("Could not get run level", exception)
return -1
def memory_total(self):
""" get total memory in system(linux only)
@rtype int
@return total memory or -1 if something went wrong
"""
try:
#gawk '/MemTotal/ { print $2 }' /proc/meminfo
result = utils.execute("gawk", "'/MemTotal/ { print $2 }'",
"/proc/meminfo")
return int(result[0]) * 1024
except ScalixExternalCommandException as exception:
logger.critical("Could not get total memory", exception)
return -1
def memory_total(self):
""" get total memory in system(linux only)
@rtype int
@return total memory or -1 if something went wrong
"""
try:
#gawk '/MemTotal/ { print $2 }' /proc/meminfo
result = utils.execute("gawk", "'/MemTotal/ { print $2 }'",
"/proc/meminfo")
return int(result[0]) * 1024
except ScalixExternalCommandException as exception:
logger.critical("Could not get total memory", exception)
return -1
def get_java_version(raw=False):
"""get version of installed java virtual machine
@return string if java installed and available in system or None if java
not installed
"""
try:
lines = utils.execute("java", "-version")
if raw or not lines:
return lines
version = re.search(r'^java version "(.*)"$', lines[0].strip())
if version:
return version.group(0)
except ScalixExternalCommandException as exception:
logger.warning("Could not get java version", exception)
def get_java_version(raw=False):
"""get version of installed java virtual machine
@return string if java installed and available in system or None if java
not installed
"""
try:
lines = utils.execute("java", "-version")
if raw or not lines:
return lines
version = re.search(r'^java version "(.*)"$', lines[0].strip())
if version:
return version.group(0)
except ScalixExternalCommandException as exception:
logger.warning("Could not get java version", exception)
def memory_free(self):
""" get free memory in system(linux only)
@rtype int
@return total memory or -1 if something went wrong
"""
try:
#"gawk '/MemFree/ { print $2 }' /proc/meminfo"
cmd = [
"gawk",
"'/MemFree|Buffers|Cached/ {mem=mem+int($2)} END {print mem}'",
"/proc/meminfo"
]
return int(utils.execute(cmd)[0]) * 1024
except ScalixExternalCommandException as exception:
logger.critical("Could not get free memory", exception)
return -1
def memory_free(self):
""" get free memory in system(linux only)
@rtype int
@return total memory or -1 if something went wrong
"""
try:
#"gawk '/MemFree/ { print $2 }' /proc/meminfo"
cmd = [
"gawk",
"'/MemFree|Buffers|Cached/ {mem=mem+int($2)} END {print mem}'",
"/proc/meminfo"
]
return int(utils.execute(cmd)[0]) * 1024
except ScalixExternalCommandException as exception:
logger.critical("Could not get free memory", exception)
return -1
def listening_port(self, port):
"""checks if port opened
@param port: port number integer
@return: on success tulip which contain
(Proto, Recv-Q, Send-Q, Local Address, Foreign Address, State)
or False
"""
try:
result = utils.execute("netstat", "-ln", "|",
utils.bash_command("grep"),
":{0:d}[^0-9]".format(port))
return (i for i in result[0].strip().split())
except ScalixExternalCommandException as exception:
logger.warning("Could not get port is listening ", exception)
return ()
def listening_port(self, port):
"""checks if port opened
@param port: port number integer
@return: on success tulip which contain
(Proto, Recv-Q, Send-Q, Local Address, Foreign Address, State)
or False
"""
try:
result = utils.execute("netstat", "-ln", "|",
utils.bash_command("grep"),
":{0:d}[^0-9]".format(port))
return (i for i in result[0].strip().split())
except ScalixExternalCommandException as exception:
logger.warning("Could not get port is listening ", exception)
return ()
def determine_interface(self, ip_str):
""" get network interface on which ip setted
@param ip string
@return string name of interface or None
"""
try:
cmd = ["ip", "addr", "show", "|", utils.bash_command("grep"),
"[[:space:]]inet[[:space:]]{0}/".format(ip_str), "|",
utils.bash_command("head"), "-1", "|",
utils.bash_command("gawk"), "'{ print $NF }'"]
lines = utils.execute(cmd)
if lines:
return lines[0].strip()
except ScalixExternalCommandException as exception:
logger.warning("Could not determine interface", exception)
def partition_size(self, folder):
""" get folder size in system(linux only)
@rtype int
@param folder - string full path to the folder
@return size or -1 if something went wrong some
"""
try:
#"df -lP %s | gawk '{print $4}'"
result = utils.execute("df", "-BK", "-lP", folder, "|",
utils.bash_command("gawk"), "'{print int($4)}'")
try:
return int(result[1]) * 1024
except (UnicodeEncodeError, ValueError) as exception:
logger.critical("Could not get partition size", exception,
result)
return -1
except ScalixExternalCommandException as exception:
logger.critical("Could not get partition size", exception)
return -1
def determine_interface(self, ip_str):
""" get network interface on which ip setted
@param ip string
@return string name of interface or None
"""
try:
cmd = [
"ip", "addr", "show", "|",
utils.bash_command("grep"),
"[[:space:]]inet[[:space:]]{0}/".format(ip_str), "|",
utils.bash_command("head"), "-1", "|",
utils.bash_command("gawk"), "'{ print $NF }'"
]
lines = utils.execute(cmd)
if lines:
return lines[0].strip()
except ScalixExternalCommandException as exception:
logger.warning("Could not determine interface", exception)
def partition_size(self, folder):
""" get folder size in system(linux only)
@rtype int
@param folder - string full path to the folder
@return size or -1 if something went wrong some
"""
try:
#"df -lP %s | gawk '{print $4}'"
result = utils.execute("df", "-BK", "-lP", folder, "|",
utils.bash_command("gawk"),
"'{print int($4)}'")
try:
return int(result[1]) * 1024
except (UnicodeEncodeError, ValueError) as exception:
logger.critical("Could not get partition size", exception,
result)
return -1
except ScalixExternalCommandException as exception:
logger.critical("Could not get partition size", exception)
return -1
def stop(self):
try:
return utils.execute('service', self.name, 'stop')
except ScalixExternalCommandException as exception:
logger.critical("failed to stop service", exception)
def enable(self, service):
try:
utils.execute('update-rc.d', str(service), 'defaults')
except ScalixExternalCommandException as _:
return False
return True
def disable(self, service):
try:
utils.execute('update-rc.d', '-f', str(service), 'remove')
except ScalixExternalCommandException as _:
return False
return True
def restart(self):
try:
return utils.execute('service', self.name, 'restart')
except ScalixExternalCommandException as exception:
logger.critical("failed to restart service", exception)
def status(self):
try:
return utils.execute('service', self.name, 'status')[0]
except ScalixExternalCommandException as exception:
logger.critical("failed to get status of the service", exception)
def force_reload(self):
try:
return utils.execute('service', self.name, 'force-reload')
except ScalixExternalCommandException as exception:
logger.critical("failed to force-reload service", exception)
