Rewrite asa.py for NetworkModule
This commit is contained in:
Nathaniel Case
parent
384a01fcff
commit
f4a6fa1747
1 changed files with 53 additions and 144 deletions
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@ -19,176 +19,85 @@
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#
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import re
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from ansible.module_utils.basic import AnsibleModule, env_fallback, get_exception
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from ansible.module_utils.shell import Shell, ShellError, Command, HAS_PARAMIKO
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from ansible.module_utils.netcfg import parse
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NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
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from ansible.module_utils.network import add_argument, register_transport, to_list
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from ansible.module_utils.shell import CliBase
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NET_COMMON_ARGS = dict(
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host=dict(required=True),
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port=dict(default=22, type='int'),
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show_command=dict(default='show running-config', choices=['show running-config', 'more system:running-config']),
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username=dict(fallback=(env_fallback, ['ANSIBLE_NET_USERNAME'])),
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password=dict(no_log=True, fallback=(env_fallback, ['ANSIBLE_NET_PASSWORD'])),
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ssh_keyfile=dict(fallback=(env_fallback, ['ANSIBLE_NET_SSH_KEYFILE']), type='path'),
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authorize=dict(default=False, fallback=(env_fallback, ['ANSIBLE_NET_AUTHORIZE']), type='bool'),
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auth_pass=dict(no_log=True, fallback=(env_fallback, ['ANSIBLE_NET_AUTH_PASS'])),
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context=dict(required=False),
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provider=dict(),
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timeout=dict(default=10, type='int')
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)
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# temporary fix until modules are update. to be removed before 2.2 final
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from ansible.module_utils.network import get_module
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CLI_PROMPTS_RE = [
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re.compile(r"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
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re.compile(r"\[\w+\@[\w\-\.]+(?: [^\]])\] ?[>#\$] ?$")
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]
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CLI_ERRORS_RE = [
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re.compile(r"% ?Error"),
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re.compile(r"% ?Bad secret"),
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re.compile(r"invalid input", re.I),
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re.compile(r"is not valid", re.I),
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re.compile(r"(?:incomplete|ambiguous) command", re.I),
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re.compile(r"connection timed out", re.I),
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re.compile(r"[^\r\n]+ not found", re.I),
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re.compile(r"'[^']' +returned error code: ?\d+"),
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]
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add_argument('show_command', dict(default='show running-config', choices=['show running-config', 'more system:running-config']))
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add_argument('context', dict(required=False))
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def to_list(val):
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if isinstance(val, (list, tuple)):
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return list(val)
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elif val is not None:
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return [val]
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else:
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return list()
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class Cli(CliBase):
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CLI_PROMPTS_RE = [
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re.compile(r"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
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re.compile(r"\[\w+\@[\w\-\.]+(?: [^\]])\] ?[>#\$] ?$")
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]
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CLI_ERRORS_RE = [
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re.compile(r"% ?Error"),
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re.compile(r"% ?Bad secret"),
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re.compile(r"invalid input", re.I),
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re.compile(r"is not valid", re.I),
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re.compile(r"(?:incomplete|ambiguous) command", re.I),
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re.compile(r"connection timed out", re.I),
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re.compile(r"[^\r\n]+ not found", re.I),
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re.compile(r"'[^']' +returned error code: ?\d+"),
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]
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class Cli(object):
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NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
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def __init__(self, module):
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self.module = module
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self.shell = None
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def __init__(self, *args, **kwargs):
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super(Cli, self).__init__(*args, **kwargs)
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self.filter = None
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def connect(self, **kwargs):
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host = self.module.params['host']
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port = self.module.params['port'] or 22
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def connect(self, params, **kwargs):
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super(Cli, self).connect(params, kickstart=False, **kwargs)
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self.execute('no terminal pager')
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username = self.module.params['username']
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password = self.module.params['password']
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key_filename = self.module.params['ssh_keyfile']
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timeout = self.module.params['timeout']
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if params['context']:
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self.change_context(params, **kwargs)
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try:
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self.shell = Shell(kickstart=False, prompts_re=CLI_PROMPTS_RE,
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errors_re=CLI_ERRORS_RE)
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self.shell.open(host, port=port, username=username, password=password, key_filename=key_filename, timeout=timeout)
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except ShellError:
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e = get_exception()
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msg = 'failed to connect to %s:%s - %s' % (host, port, str(e))
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self.module.fail_json(msg=msg)
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def change_context(self):
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context = self.module.params['command']
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def change_context(self, params, **kwargs):
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context = params['context']
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if context == 'system':
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command = 'changeto system'
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else:
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command = 'changeto context %s' % context
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self.send(Command(command))
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self.execute(command)
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def authorize(self):
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passwd = self.module.params['auth_pass']
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self.send(Command('enable', prompt=NET_PASSWD_RE, response=passwd))
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def send(self, commands):
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return self.shell.send(commands)
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class NetworkModule(AnsibleModule):
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def __init__(self, *args, **kwargs):
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super(NetworkModule, self).__init__(*args, **kwargs)
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self.connection = None
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self._config = None
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self._connected = False
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self.filter = None
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@property
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def connected(self):
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return self._connected
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@property
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def config(self):
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if not self._config:
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self._config = self.get_config()
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return self._config
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def _load_params(self):
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super(NetworkModule, self)._load_params()
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provider = self.params.get('provider') or dict()
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for key, value in provider.items():
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if key in NET_COMMON_ARGS.keys():
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if self.params.get(key) is None and value is not None:
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self.params[key] = value
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def connect(self):
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self.connection = Cli(self)
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self.connection.connect()
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if self.params['authorize']:
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self.connection.authorize()
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self.connection.send('no terminal pager')
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if self.params['context']:
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if self.params['context'] == 'system':
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self.connection.send('changeto system')
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else:
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self.connection.send('changeto context %s' % self.params['context'])
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self._connected = True
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### Config methods ###
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def configure(self, commands):
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commands = to_list(commands)
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commands.insert(0, 'configure terminal')
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responses = self.execute(commands)
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responses.pop(0)
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return responses
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cmds = ['configure terminal']
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cmds.extend(to_list(commands))
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responses = self.execute(cmds)
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return responses[1:]
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def execute(self, commands, **kwargs):
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if not self.connected:
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self.connect()
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return self.connection.send(commands, **kwargs)
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def disconnect(self):
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self.connection.close()
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self._connected = False
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def parse_config(self, cfg):
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return parse(cfg, indent=1)
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def get_config(self):
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def get_config(self, params, **kwargs):
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if self.filter:
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cmd = 'show running-config %s ' % self.filter
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else:
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cmd = self.params['show_command']
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if self.params.get('include_defaults'):
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cmd = params['show_command']
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if params.get('include_defaults'):
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cmd += ' all'
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return self.execute(cmd)[0]
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return self.execute(cmd)
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def load_config(self, commands, **kwargs):
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raise NotImplementedError
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def get_module(**kwargs):
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"""Return instance of NetworkModule
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"""
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argument_spec = NET_COMMON_ARGS.copy()
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if kwargs.get('argument_spec'):
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argument_spec.update(kwargs['argument_spec'])
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kwargs['argument_spec'] = argument_spec
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def replace_config(self, commands, **kwargs):
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raise NotImplementedError
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module = NetworkModule(**kwargs)
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def commit_config(self, **kwargs):
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raise NotImplementedError
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# HAS_PARAMIKO is set by module_utils/shell.py
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if not HAS_PARAMIKO:
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module.fail_json(msg='paramiko is required but does not appear to be installed')
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def abort_config(self, **kwargs):
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raise NotImplementedError
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return module
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def save_config(self):
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raise NotImplementedError
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Cli = register_transport('cli', default=True)(Cli)
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