diff options
Diffstat (limited to 'roles/os_firewall/library')
| -rwxr-xr-x | roles/os_firewall/library/os_firewall_manage_iptables.py | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/roles/os_firewall/library/os_firewall_manage_iptables.py b/roles/os_firewall/library/os_firewall_manage_iptables.py index 37bb16f35..b60e52dfe 100755 --- a/roles/os_firewall/library/os_firewall_manage_iptables.py +++ b/roles/os_firewall/library/os_firewall_manage_iptables.py @@ -2,7 +2,7 @@ # -*- coding: utf-8 -*- # vim: expandtab:tabstop=4:shiftwidth=4 # pylint: disable=fixme, missing-docstring -from subprocess import call, check_output +import subprocess DOCUMENTATION = ''' --- @@ -29,7 +29,10 @@ class IpTablesAddRuleError(IpTablesError): class IpTablesRemoveRuleError(IpTablesError): - pass + def __init__(self, chain, msg, cmd, exit_code, output): # pylint: disable=too-many-arguments, line-too-long, redefined-outer-name + super(IpTablesRemoveRuleError, self).__init__(msg, cmd, exit_code, + output) + self.chain = chain class IpTablesSaveError(IpTablesError): @@ -37,14 +40,14 @@ class IpTablesSaveError(IpTablesError): class IpTablesCreateChainError(IpTablesError): - def __init__(self, chain, msg, cmd, exit_code, output): # pylint: disable=too-many-arguments, line-too-long, redefined-outer-name + def __init__(self, chain, msg, cmd, exit_code, output): # pylint: disable=too-many-arguments, line-too-long, redefined-outer-name super(IpTablesCreateChainError, self).__init__(msg, cmd, exit_code, output) self.chain = chain class IpTablesCreateJumpRuleError(IpTablesError): - def __init__(self, chain, msg, cmd, exit_code, output): # pylint: disable=too-many-arguments, line-too-long, redefined-outer-name + def __init__(self, chain, msg, cmd, exit_code, output): # pylint: disable=too-many-arguments, line-too-long, redefined-outer-name super(IpTablesCreateJumpRuleError, self).__init__(msg, cmd, exit_code, output) self.chain = chain @@ -53,7 +56,7 @@ class IpTablesCreateJumpRuleError(IpTablesError): # TODO: implement rollbacks for any events that were successful and an # exception was thrown later. For example, when the chain is created # successfully, but the add/remove rule fails. -class IpTablesManager(object): # pylint: disable=too-many-instance-attributes +class IpTablesManager(object): # pylint: disable=too-many-instance-attributes def __init__(self, module): self.module = module self.ip_version = module.params['ip_version'] @@ -68,8 +71,7 @@ class IpTablesManager(object): # pylint: disable=too-many-instance-attributes def save(self): try: - self.output.append(check_output(self.save_cmd, - stderr=subprocess.STDOUT)) + self.output.append(subprocess.check_output(self.save_cmd, stderr=subprocess.STDOUT)) except subprocess.CalledProcessError as ex: raise IpTablesSaveError( msg="Failed to save iptables rules", @@ -92,7 +94,7 @@ class IpTablesManager(object): # pylint: disable=too-many-instance-attributes else: cmd = self.cmd + ['-A'] + rule try: - self.output.append(check_output(cmd)) + self.output.append(subprocess.check_output(cmd)) self.changed = True self.save() except subprocess.CalledProcessError as ex: @@ -112,7 +114,7 @@ class IpTablesManager(object): # pylint: disable=too-many-instance-attributes else: cmd = self.cmd + ['-D'] + rule try: - self.output.append(check_output(cmd)) + self.output.append(subprocess.check_output(cmd)) self.changed = True self.save() except subprocess.CalledProcessError as ex: @@ -123,7 +125,7 @@ class IpTablesManager(object): # pylint: disable=too-many-instance-attributes def rule_exists(self, rule): check_cmd = self.cmd + ['-C'] + rule - return True if call(check_cmd) == 0 else False + return True if subprocess.call(check_cmd) == 0 else False def gen_rule(self, port, proto): return [self.chain, '-p', proto, '-m', 'state', '--state', 'NEW', @@ -136,7 +138,7 @@ class IpTablesManager(object): # pylint: disable=too-many-instance-attributes else: try: cmd = self.cmd + ['-L', self.jump_rule_chain, '--line-numbers'] - output = check_output(cmd, stderr=subprocess.STDOUT) + output = subprocess.check_output(cmd, stderr=subprocess.STDOUT) # break the input rules into rows and columns input_rules = [s.split() for s in to_native(output).split('\n')] @@ -155,8 +157,7 @@ class IpTablesManager(object): # pylint: disable=too-many-instance-attributes # Naively assume that if the last row is a REJECT or DROP rule, # then we can insert our rule right before it, otherwise we # assume that we can just append the rule. - if (last_rule_num and last_rule_target - and last_rule_target in ['REJECT', 'DROP']): + if (last_rule_num and last_rule_target and last_rule_target in ['REJECT', 'DROP']): # insert rule cmd = self.cmd + ['-I', self.jump_rule_chain, str(last_rule_num)] @@ -164,7 +165,7 @@ class IpTablesManager(object): # pylint: disable=too-many-instance-attributes # append rule cmd = self.cmd + ['-A', self.jump_rule_chain] cmd += ['-j', self.chain] - output = check_output(cmd, stderr=subprocess.STDOUT) + output = subprocess.check_output(cmd, stderr=subprocess.STDOUT) self.changed = True self.output.append(output) self.save() @@ -192,8 +193,7 @@ class IpTablesManager(object): # pylint: disable=too-many-instance-attributes else: try: cmd = self.cmd + ['-N', self.chain] - self.output.append(check_output(cmd, - stderr=subprocess.STDOUT)) + self.output.append(subprocess.check_output(cmd, stderr=subprocess.STDOUT)) self.changed = True self.output.append("Successfully created chain %s" % self.chain) @@ -203,26 +203,26 @@ class IpTablesManager(object): # pylint: disable=too-many-instance-attributes chain=self.chain, msg="Failed to create chain: %s" % self.chain, cmd=ex.cmd, exit_code=ex.returncode, output=ex.output - ) + ) def jump_rule_exists(self): cmd = self.cmd + ['-C', self.jump_rule_chain, '-j', self.chain] - return True if call(cmd) == 0 else False + return True if subprocess.call(cmd) == 0 else False def chain_exists(self): cmd = self.cmd + ['-L', self.chain] - return True if call(cmd) == 0 else False + return True if subprocess.call(cmd) == 0 else False def gen_cmd(self): cmd = 'iptables' if self.ip_version == 'ipv4' else 'ip6tables' return ["/usr/sbin/%s" % cmd] - def gen_save_cmd(self): # pylint: disable=no-self-use + def gen_save_cmd(self): # pylint: disable=no-self-use return ['/usr/libexec/iptables/iptables.init', 'save'] def main(): - module = AnsibleModule( + module = AnsibleModule( # noqa: F405 argument_spec=dict( name=dict(required=True), action=dict(required=True, choices=['add', 'remove', @@ -266,9 +266,9 @@ def main(): output=iptables_manager.output) -# pylint: disable=redefined-builtin, unused-wildcard-import, wildcard-import +# pylint: disable=redefined-builtin, unused-wildcard-import, wildcard-import, wrong-import-position # import module snippets -from ansible.module_utils.basic import * -from ansible.module_utils._text import to_native +from ansible.module_utils.basic import * # noqa: F403,E402 +from ansible.module_utils._text import to_native # noqa: E402 if __name__ == '__main__': main() |