From 0ce71cb8975e19677eea415101e15da5f4095cd5 Mon Sep 17 00:00:00 2001 From: Sankar Tanguturi Date: Tue, 16 Feb 2016 17:34:24 -0800 Subject: - Used proper 4 space indentations for config_nic.py and nic.py - Implemented the 'search_file' function using 'os.walk()' - Fixed few variable names. - Removed size() function in config_file.py - Updated the test_config_file.py to use len() instead of .size() --- .../sources/helpers/vmware/imc/config_file.py | 4 - cloudinit/sources/helpers/vmware/imc/config_nic.py | 433 +++++++++++---------- cloudinit/sources/helpers/vmware/imc/nic.py | 20 +- 3 files changed, 227 insertions(+), 230 deletions(-) (limited to 'cloudinit/sources/helpers') diff --git a/cloudinit/sources/helpers/vmware/imc/config_file.py b/cloudinit/sources/helpers/vmware/imc/config_file.py index 7c47d14c..bb9fb7dc 100644 --- a/cloudinit/sources/helpers/vmware/imc/config_file.py +++ b/cloudinit/sources/helpers/vmware/imc/config_file.py @@ -61,10 +61,6 @@ class ConfigFile(ConfigSource, dict): self[key] = val - def size(self): - """Return the number of properties present.""" - return len(self) - def _loadConfigFile(self, filename): """ Parses properties from the specified config file. diff --git a/cloudinit/sources/helpers/vmware/imc/config_nic.py b/cloudinit/sources/helpers/vmware/imc/config_nic.py index 8e2fc5d3..d79e6936 100644 --- a/cloudinit/sources/helpers/vmware/imc/config_nic.py +++ b/cloudinit/sources/helpers/vmware/imc/config_nic.py @@ -26,221 +26,222 @@ logger = logging.getLogger(__name__) class NicConfigurator: - def __init__(self, nics): - """ - Initialize the Nic Configurator - @param nics (list) an array of nics to configure - """ - self.nics = nics - self.mac2Name = {} - self.ipv4PrimaryGateway = None - self.ipv6PrimaryGateway = None - self.find_devices() - self._primaryNic = self.get_primary_nic() - - def get_primary_nic(self): - """ - Retrieve the primary nic if it exists - @return (NicBase): the primary nic if exists, None otherwise - """ - primaryNic = None - - for nic in self.nics: - if nic.primary: - if primaryNic: - raise Exception('There can only be one primary nic', - primaryNic.mac, nic.mac) + def __init__(self, nics): + """ + Initialize the Nic Configurator + @param nics (list) an array of nics to configure + """ + self.nics = nics + self.mac2Name = {} + self.ipv4PrimaryGateway = None + self.ipv6PrimaryGateway = None + self.find_devices() + self._primaryNic = self.get_primary_nic() + + def get_primary_nic(self): + """ + Retrieve the primary nic if it exists + @return (NicBase): the primary nic if exists, None otherwise + """ + primaryNic = None + + for nic in self.nics: + if nic.primary: + if primaryNic: + raise Exception('There can only be one primary nic', + primaryNic.mac, nic.mac) primaryNic = nic - return primaryNic - - def find_devices(self): - """ - Create the mac2Name dictionary - The mac address(es) are in the lower case - """ - cmd = 'ip addr show' - outText = subprocess.check_output(cmd, shell=True).decode() - sections = re.split(r'\n\d+: ', '\n' + outText)[1:] - - macPat = r'link/ether (([0-9A-Fa-f]{2}[:]){5}([0-9A-Fa-f]{2}))' - for section in sections: - matcher = re.search(macPat, section) - if not matcher: # Only keep info about nics - continue - mac = matcher.group(1).lower() - name = section.split(':', 1)[0] - self.mac2Name[mac] = name - - def gen_one_nic(self, nic): - """ - Return the lines needed to configure a nic - @return (str list): the string list to configure the nic - @param nic (NicBase): the nic to configure - """ - lines = [] - name = self.mac2Name.get(nic.mac.lower()) - if not name: - raise ValueError('No known device has MACADDR: %s' % nic.mac) - - if nic.onboot: - lines.append('auto %s' % name) - - # Customize IPv4 - lines.extend(self.gen_ipv4(name, nic)) - - # Customize IPv6 - lines.extend(self.gen_ipv6(name, nic)) - - lines.append('') - - return lines - - def gen_ipv4(self, name, nic): - """ - Return the lines needed to configure the IPv4 setting of a nic - @return (str list): the string list to configure the gateways - @param name (str): name of the nic - @param nic (NicBase): the nic to configure - """ - lines = [] - - bootproto = nic.bootProto.lower() - if nic.ipv4_mode.lower() == 'disabled': - bootproto = 'manual' - lines.append('iface %s inet %s' % (name, bootproto)) - - if bootproto != 'static': - return lines - - # Static Ipv4 - v4 = nic.staticIpv4 - if v4.ip: - lines.append(' address %s' % v4.ip) - if v4.netmask: - lines.append(' netmask %s' % v4.netmask) - - # Add the primary gateway - if nic.primary and v4.gateways: - self.ipv4PrimaryGateway = v4.gateways[0] - lines.append(' gateway %s metric 0' % self.ipv4PrimaryGateway) - return lines - - # Add routes if there is no primary nic - if not self._primaryNic: - lines.extend(self.gen_ipv4_route(nic, v4.gateways)) - - return lines - - def gen_ipv4_route(self, nic, gateways): - """ - Return the lines needed to configure additional Ipv4 route - @return (str list): the string list to configure the gateways - @param nic (NicBase): the nic to configure - @param gateways (str list): the list of gateways - """ - lines = [] - - for gateway in gateways: - lines.append(' up route add default gw %s metric 10000' % gateway) - - return lines - - def gen_ipv6(self, name, nic): - """ - Return the lines needed to configure the gateways for a nic - @return (str list): the string list to configure the gateways - @param name (str): name of the nic - @param nic (NicBase): the nic to configure - """ - lines = [] - - if not nic.staticIpv6: - return lines - - # Static Ipv6 - addrs = nic.staticIpv6 - lines.append('iface %s inet6 static' % name) - lines.append(' address %s' % addrs[0].ip) - lines.append(' netmask %s' % addrs[0].netmask) - - for addr in addrs[1:]: - lines.append(' up ifconfig %s inet6 add %s/%s' % (name, addr.ip, - addr.netmask)) - # Add the primary gateway - if nic.primary: - for addr in addrs: - if addr.gateway: - self.ipv6PrimaryGateway = addr.gateway - lines.append(' gateway %s' % self.ipv6PrimaryGateway) - return lines - - # Add routes if there is no primary nic - if not self._primaryNic: - lines.extend(self._genIpv6Route(name, nic, addrs)) - - return lines - - def _genIpv6Route(self, name, nic, addrs): - lines = [] - - for addr in addrs: - lines.append(' up route -A inet6 add default gw %s metric 10000' % - addr.gateway) - - return lines - - def generate(self): - """Return the lines that is needed to configure the nics""" - lines = [] - lines.append('iface lo inet loopback') - lines.append('auto lo') - lines.append('') - - for nic in self.nics: - lines.extend(self.gen_one_nic(nic)) - - return lines - - def clear_dhcp(self): - logger.info('Clearing DHCP leases') - - subprocess.call('pkill dhclient', shell=True) - subprocess.check_call('rm -f /var/lib/dhcp/*', shell=True) - - def if_down_up(self): - names = [] - for nic in self.nics: - name = self.mac2Name.get(nic.mac.lower()) - names.append(name) - - for name in names: - logger.info('Bring down interface %s' % name) - subprocess.check_call('ifdown %s' % name, shell=True) - - self.clear_dhcp() - - for name in names: - logger.info('Bring up interface %s' % name) - subprocess.check_call('ifup %s' % name, shell=True) - - def configure(self): - """ - Configure the /etc/network/intefaces - Make a back up of the original - """ - containingDir = '/etc/network' - - interfaceFile = os.path.join(containingDir, 'interfaces') - originalFile = os.path.join(containingDir, - 'interfaces.before_vmware_customization') - - if not os.path.exists(originalFile) and os.path.exists(interfaceFile): - os.rename(interfaceFile, originalFile) - - lines = self.generate() - with open(interfaceFile, 'w') as fp: - for line in lines: - fp.write('%s\n' % line) - - self.if_down_up() + return primaryNic + + def find_devices(self): + """ + Create the mac2Name dictionary + The mac address(es) are in the lower case + """ + cmd = 'ip addr show' + outText = subprocess.check_output(cmd, shell=True).decode() + sections = re.split(r'\n\d+: ', '\n' + outText)[1:] + + macPat = r'link/ether (([0-9A-Fa-f]{2}[:]){5}([0-9A-Fa-f]{2}))' + for section in sections: + matcher = re.search(macPat, section) + if not matcher: # Only keep info about nics + continue + mac = matcher.group(1).lower() + name = section.split(':', 1)[0] + self.mac2Name[mac] = name + + def gen_one_nic(self, nic): + """ + Return the lines needed to configure a nic + @return (str list): the string list to configure the nic + @param nic (NicBase): the nic to configure + """ + lines = [] + name = self.mac2Name.get(nic.mac.lower()) + if not name: + raise ValueError('No known device has MACADDR: %s' % nic.mac) + + if nic.onboot: + lines.append('auto %s' % name) + + # Customize IPv4 + lines.extend(self.gen_ipv4(name, nic)) + + # Customize IPv6 + lines.extend(self.gen_ipv6(name, nic)) + + lines.append('') + + return lines + + def gen_ipv4(self, name, nic): + """ + Return the lines needed to configure the IPv4 setting of a nic + @return (str list): the string list to configure the gateways + @param name (str): name of the nic + @param nic (NicBase): the nic to configure + """ + lines = [] + + bootproto = nic.bootProto.lower() + if nic.ipv4_mode.lower() == 'disabled': + bootproto = 'manual' + lines.append('iface %s inet %s' % (name, bootproto)) + + if bootproto != 'static': + return lines + + # Static Ipv4 + v4 = nic.staticIpv4 + if v4.ip: + lines.append(' address %s' % v4.ip) + if v4.netmask: + lines.append(' netmask %s' % v4.netmask) + + # Add the primary gateway + if nic.primary and v4.gateways: + self.ipv4PrimaryGateway = v4.gateways[0] + lines.append(' gateway %s metric 0' % self.ipv4PrimaryGateway) + return lines + + # Add routes if there is no primary nic + if not self._primaryNic: + lines.extend(self.gen_ipv4_route(nic, v4.gateways)) + + return lines + + def gen_ipv4_route(self, nic, gateways): + """ + Return the lines needed to configure additional Ipv4 route + @return (str list): the string list to configure the gateways + @param nic (NicBase): the nic to configure + @param gateways (str list): the list of gateways + """ + lines = [] + + for gateway in gateways: + lines.append(' up route add default gw %s metric 10000' % + gateway) + + return lines + + def gen_ipv6(self, name, nic): + """ + Return the lines needed to configure the gateways for a nic + @return (str list): the string list to configure the gateways + @param name (str): name of the nic + @param nic (NicBase): the nic to configure + """ + lines = [] + + if not nic.staticIpv6: + return lines + + # Static Ipv6 + addrs = nic.staticIpv6 + lines.append('iface %s inet6 static' % name) + lines.append(' address %s' % addrs[0].ip) + lines.append(' netmask %s' % addrs[0].netmask) + + for addr in addrs[1:]: + lines.append(' up ifconfig %s inet6 add %s/%s' % (name, addr.ip, + addr.netmask)) + # Add the primary gateway + if nic.primary: + for addr in addrs: + if addr.gateway: + self.ipv6PrimaryGateway = addr.gateway + lines.append(' gateway %s' % self.ipv6PrimaryGateway) + return lines + + # Add routes if there is no primary nic + if not self._primaryNic: + lines.extend(self._genIpv6Route(name, nic, addrs)) + + return lines + + def _genIpv6Route(self, name, nic, addrs): + lines = [] + + for addr in addrs: + lines.append(' up route -A inet6 add default gw %s metric 10000' % + addr.gateway) + + return lines + + def generate(self): + """Return the lines that is needed to configure the nics""" + lines = [] + lines.append('iface lo inet loopback') + lines.append('auto lo') + lines.append('') + + for nic in self.nics: + lines.extend(self.gen_one_nic(nic)) + + return lines + + def clear_dhcp(self): + logger.info('Clearing DHCP leases') + + subprocess.call('pkill dhclient', shell=True) + subprocess.check_call('rm -f /var/lib/dhcp/*', shell=True) + + def if_down_up(self): + names = [] + for nic in self.nics: + name = self.mac2Name.get(nic.mac.lower()) + names.append(name) + + for name in names: + logger.info('Bring down interface %s' % name) + subprocess.check_call('ifdown %s' % name, shell=True) + + self.clear_dhcp() + + for name in names: + logger.info('Bring up interface %s' % name) + subprocess.check_call('ifup %s' % name, shell=True) + + def configure(self): + """ + Configure the /etc/network/intefaces + Make a back up of the original + """ + containingDir = '/etc/network' + + interfaceFile = os.path.join(containingDir, 'interfaces') + originalFile = os.path.join(containingDir, + 'interfaces.before_vmware_customization') + + if not os.path.exists(originalFile) and os.path.exists(interfaceFile): + os.rename(interfaceFile, originalFile) + + lines = self.generate() + with open(interfaceFile, 'w') as fp: + for line in lines: + fp.write('%s\n' % line) + + self.if_down_up() diff --git a/cloudinit/sources/helpers/vmware/imc/nic.py b/cloudinit/sources/helpers/vmware/imc/nic.py index 6628a3ec..b5d704ea 100644 --- a/cloudinit/sources/helpers/vmware/imc/nic.py +++ b/cloudinit/sources/helpers/vmware/imc/nic.py @@ -49,35 +49,35 @@ class Nic(NicBase): def primary(self): value = self._get('PRIMARY') if value: - value = value.lower() - return value == 'yes' or value == 'true' + value = value.lower() + return value == 'yes' or value == 'true' else: - return False + return False @property def onboot(self): value = self._get('ONBOOT') if value: - value = value.lower() - return value == 'yes' or value == 'true' + value = value.lower() + return value == 'yes' or value == 'true' else: - return False + return False @property def bootProto(self): value = self._get('BOOTPROTO') if value: - return value.lower() + return value.lower() else: - return "" + return "" @property def ipv4_mode(self): value = self._get('IPv4_MODE') if value: - return value.lower() + return value.lower() else: - return "" + return "" @property def staticIpv4(self): -- cgit v1.2.3