Adding python object for 2.1 support

network/nxos/nxos_ospf.py

@@ -89,9 +89,13 @@ import time
 import collections
 import itertools
 import shlex
-import itertools
 
+from ansible.module_utils.basic import AnsibleModule, env_fallback, get_exception
 from ansible.module_utils.basic import BOOLEANS_TRUE, BOOLEANS_FALSE
+from ansible.module_utils.shell import Shell, ShellError, HAS_PARAMIKO
+from ansible.module_utils.netcfg import parse
+from ansible.module_utils.urls import fetch_url
+
 
 DEFAULT_COMMENT_TOKENS = ['#', '!']
 
@@ -459,14 +463,282 @@ def argument_spec():
     )
 nxos_argument_spec = argument_spec()
 
-def get_config(module):
+
+NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
+
+NET_COMMON_ARGS = dict(
+    host=dict(required=True),
+    port=dict(type='int'),
+    username=dict(fallback=(env_fallback, ['ANSIBLE_NET_USERNAME'])),
+    password=dict(no_log=True, fallback=(env_fallback, ['ANSIBLE_NET_PASSWORD'])),
+    ssh_keyfile=dict(fallback=(env_fallback, ['ANSIBLE_NET_SSH_KEYFILE']), type='path'),
+    transport=dict(default='cli', choices=['cli', 'nxapi']),
+    use_ssl=dict(default=False, type='bool'),
+    validate_certs=dict(default=True, type='bool'),
+    provider=dict(type='dict'),
+    timeout=dict(default=10, type='int')
+)
+
+NXAPI_COMMAND_TYPES = ['cli_show', 'cli_show_ascii', 'cli_conf', 'bash']
+
+NXAPI_ENCODINGS = ['json', 'xml']
+
+CLI_PROMPTS_RE = [
+    re.compile(r'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*[>|#|%](?:\s*)$'),
+    re.compile(r'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*\(.+\)#(?:\s*)$')
+]
+
+CLI_ERRORS_RE = [
+    re.compile(r"% ?Error"),
+    re.compile(r"^% \w+", re.M),
+    re.compile(r"% ?Bad secret"),
+    re.compile(r"invalid input", re.I),
+    re.compile(r"(?:incomplete|ambiguous) command", re.I),
+    re.compile(r"connection timed out", re.I),
+    re.compile(r"[^\r\n]+ not found", re.I),
+    re.compile(r"'[^']' +returned error code: ?\d+"),
+    re.compile(r"syntax error"),
+    re.compile(r"unknown command")
+]
+
+
+def to_list(val):
+    if isinstance(val, (list, tuple)):
+        return list(val)
+    elif val is not None:
+        return [val]
+    else:
+        return list()
+
+
+class Nxapi(object):
+
+    def __init__(self, module):
+        self.module = module
+
+        # sets the module_utils/urls.py req parameters
+        self.module.params['url_username'] = module.params['username']
+        self.module.params['url_password'] = module.params['password']
+
+        self.url = None
+        self._nxapi_auth = None
+
+    def _get_body(self, commands, command_type, encoding, version='1.0', chunk='0', sid=None):
+        """Encodes a NXAPI JSON request message
+        """
+        if isinstance(commands, (list, set, tuple)):
+            commands = ' ;'.join(commands)
+
+        if encoding not in NXAPI_ENCODINGS:
+            msg = 'invalid encoding, received %s, exceped one of %s' % \
+                    (encoding, ','.join(NXAPI_ENCODINGS))
+            self.module_fail_json(msg=msg)
+
+        msg = {
+            'version': version,
+            'type': command_type,
+            'chunk': chunk,
+            'sid': sid,
+            'input': commands,
+            'output_format': encoding
+        }
+        return dict(ins_api=msg)
+
+    def connect(self):
+        host = self.module.params['host']
+        port = self.module.params['port']
+
+        if self.module.params['use_ssl']:
+            proto = 'https'
+            if not port:
+                port = 443
+        else:
+            proto = 'http'
+            if not port:
+                port = 80
+
+        self.url = '%s://%s:%s/ins' % (proto, host, port)
+
+    def send(self, commands, command_type='cli_show_ascii', encoding='json'):
+        """Send commands to the device.
+        """
+        clist = to_list(commands)
+
+        if command_type not in NXAPI_COMMAND_TYPES:
+            msg = 'invalid command_type, received %s, exceped one of %s' % \
+                    (command_type, ','.join(NXAPI_COMMAND_TYPES))
+            self.module_fail_json(msg=msg)
+
+        data = self._get_body(clist, command_type, encoding)
+        data = self.module.jsonify(data)
+
+        headers = {'Content-Type': 'application/json'}
+        if self._nxapi_auth:
+            headers['Cookie'] = self._nxapi_auth
+
+        response, headers = fetch_url(self.module, self.url, data=data,
+                headers=headers, method='POST')
+
+        self._nxapi_auth = headers.get('set-cookie')
+
+        if headers['status'] != 200:
+            self.module.fail_json(**headers)
+
+        response = self.module.from_json(response.read())
+        result = list()
+
+        output = response['ins_api']['outputs']['output']
+        for item in to_list(output):
+            if item['code'] != '200':
+                self.module.fail_json(**item)
+            else:
+                result.append(item['body'])
+
+        return result
+
+
+class Cli(object):
+
+    def __init__(self, module):
+        self.module = module
+        self.shell = None
+
+    def connect(self, **kwargs):
+        host = self.module.params['host']
+        port = self.module.params['port'] or 22
+
+        username = self.module.params['username']
+        password = self.module.params['password']
+        timeout = self.module.params['timeout']
+        key_filename = self.module.params['ssh_keyfile']
+
+        allow_agent = (key_filename is not None) or (key_filename is None and password is None)
+
+        try:
+            self.shell = Shell(kickstart=False, prompts_re=CLI_PROMPTS_RE,
+                    errors_re=CLI_ERRORS_RE)
+            self.shell.open(host, port=port, username=username,
+                    password=password, key_filename=key_filename,
+                    allow_agent=allow_agent, timeout=timeout)
+        except ShellError:
+            e = get_exception()
+            msg = 'failed to connect to %s:%s - %s' % (host, port, str(e))
+            self.module.fail_json(msg=msg)
+
+    def send(self, commands, encoding='text'):
+        try:
+            return self.shell.send(commands)
+        except ShellError:
+            e = get_exception()
+            self.module.fail_json(msg=e.message, commands=commands)
+
+
+class NetworkModule(AnsibleModule):
+
+    def __init__(self, *args, **kwargs):
+        super(NetworkModule, self).__init__(*args, **kwargs)
+        self.connection = None
+        self._config = None
+        self._connected = False
+
+    @property
+    def connected(self):
+        return self._connected
+
+    @property
+    def config(self):
+        if not self._config:
+            self._config = self.get_config()
+        return self._config
+
+    def _load_params(self):
+        super(NetworkModule, self)._load_params()
+        provider = self.params.get('provider') or dict()
+        for key, value in provider.items():
+            if key in NET_COMMON_ARGS:
+                if self.params.get(key) is None and value is not None:
+                    self.params[key] = value
+
+    def connect(self):
+        cls = globals().get(str(self.params['transport']).capitalize())
+        try:
+            self.connection = cls(self)
+        except TypeError:
+            e = get_exception()
+            self.fail_json(msg=e.message)
+
+        self.connection.connect()
+
+        if self.params['transport'] == 'cli':
+            self.connection.send('terminal length 0')
+
+        self._connected = True
+
+    def configure(self, commands):
+        commands = to_list(commands)
+        if self.params['transport'] == 'cli':
+            return self.configure_cli(commands)
+        else:
+            return self.execute(commands, command_type='cli_conf')
+
+    def configure_cli(self, commands):
+        commands = to_list(commands)
+        commands.insert(0, 'configure')
+        responses = self.execute(commands)
+        responses.pop(0)
+        return responses
+
+    def execute(self, commands, **kwargs):
+        if not self.connected:
+            self.connect()
+        return self.connection.send(commands, **kwargs)
+
+    def disconnect(self):
+        self.connection.close()
+        self._connected = False
+
+    def parse_config(self, cfg):
+        return parse(cfg, indent=2)
+
+    def get_config(self):
+        cmd = 'show running-config'
+        if self.params.get('include_defaults'):
+            cmd += ' all'
+        response = self.execute(cmd)
+        return response[0]
+
+
+def get_module(**kwargs):
+    """Return instance of NetworkModule
+    """
+    argument_spec = NET_COMMON_ARGS.copy()
+    if kwargs.get('argument_spec'):
+        argument_spec.update(kwargs['argument_spec'])
+    kwargs['argument_spec'] = argument_spec
+
+    module = NetworkModule(**kwargs)
+
+    if module.params['transport'] == 'cli' and not HAS_PARAMIKO:
+        module.fail_json(msg='paramiko is required but does not appear to be installed')
+
+    return module
+
+
+def custom_get_config(module, include_defaults=False):
     config = module.params['running_config']
     if not config:
-        config = module.get_config()
+        cmd = 'show running-config'
+        if module.params['include_defaults']:
+            cmd += ' all'
+        if module.params['transport'] == 'nxapi':
+            config = module.execute([cmd], command_type='cli_show_ascii')[0]
+        else:
+            config = module.execute([cmd])[0]
+
     return CustomNetworkConfig(indent=2, contents=config)
 
 def load_config(module, candidate):
-    config = get_config(module)
+    config = custom_get_config(module)
 
     commands = candidate.difference(config)
     commands = [str(c).strip() for c in commands]
@@ -519,7 +791,7 @@ def get_value(config, module):
 
 def get_existing(module):
     existing = {}
-    config = str(get_config(module))
+    config = str(custom_get_config(module))
 
     value = get_value(config, module)
     if value:
@@ -598,11 +870,5 @@ def main():
     module.exit_json(**result)
 
 
-
-from ansible.module_utils.basic import *
-from ansible.module_utils.urls import *
-from ansible.module_utils.shell import *
-from ansible.module_utils.netcfg import *
-from ansible.module_utils.nxos import *
 if __name__ == '__main__':
     main()