355 lines
14 KiB
Python
355 lines
14 KiB
Python
#!/usr/bin/python
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# (c) 2019, NetApp, Inc
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# GNU General Public License v3.0+ (see COPYING or
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# https://www.gnu.org/licenses/gpl-3.0.txt)
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'''
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Element Software Configure SNMP
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'''
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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module: na_elementsw_cluster_snmp
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short_description: Configure Element SW Cluster SNMP
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extends_documentation_fragment:
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- netapp.solidfire
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version_added: '2.8'
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author: NetApp Ansible Team (@carchi8py) <ng-ansibleteam@netapp.com>
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description:
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- Configure Element Software cluster SNMP.
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options:
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state:
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description:
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- This module enables you to enable SNMP on cluster nodes. When you enable SNMP, \
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the action applies to all nodes in the cluster, and the values that are passed replace, \
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in whole, all values set in any previous call to this module.
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choices: ['present', 'absent']
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default: 'present'
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snmp_v3_enabled:
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description:
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- Which version of SNMP has to be enabled.
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type: bool
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networks:
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description:
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- List of networks and what type of access they have to the SNMP servers running on the cluster nodes.
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- This parameter is required if SNMP v3 is disabled.
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suboptions:
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access:
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description:
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- ro for read-only access.
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- rw for read-write access.
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- rosys for read-only access to a restricted set of system information.
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choices: ['ro', 'rw', 'rosys']
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cidr:
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description:
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- A CIDR network mask. This network mask must be an integer greater than or equal to 0, \
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and less than or equal to 32. It must also not be equal to 31.
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community:
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description:
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- SNMP community string.
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network:
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description:
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- This parameter along with the cidr variable is used to control which network the access and \
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community string apply to.
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- The special value of 'default' is used to specify an entry that applies to all networks.
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- The cidr mask is ignored when network value is either a host name or default.
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usm_users:
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description:
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- List of users and the type of access they have to the SNMP servers running on the cluster nodes.
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- This parameter is required if SNMP v3 is enabled.
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suboptions:
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access:
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description:
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- rouser for read-only access.
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- rwuser for read-write access.
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- rosys for read-only access to a restricted set of system information.
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choices: ['rouser', 'rwuser', 'rosys']
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name:
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description:
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- The name of the user. Must contain at least one character, but no more than 32 characters.
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- Blank spaces are not allowed.
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password:
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description:
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- The password of the user. Must be between 8 and 255 characters long (inclusive).
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- Blank spaces are not allowed.
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- Required if 'secLevel' is 'auth' or 'priv.'
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passphrase:
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description:
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- The passphrase of the user. Must be between 8 and 255 characters long (inclusive).
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- Blank spaces are not allowed.
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- Required if 'secLevel' is 'priv.'
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secLevel:
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description:
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- To define the security level of a user.
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choices: ['noauth', 'auth', 'priv']
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'''
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EXAMPLES = """
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- name: configure SnmpNetwork
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tags:
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- elementsw_cluster_snmp
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na_elementsw_cluster_snmp:
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hostname: "{{ elementsw_hostname }}"
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username: "{{ elementsw_username }}"
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password: "{{ elementsw_password }}"
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state: present
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snmp_v3_enabled: True
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usm_users:
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access: rouser
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name: testuser
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password: ChangeMe123
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passphrase: ChangeMe123
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secLevel: auth
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networks:
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access: ro
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cidr: 24
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community: TestNetwork
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network: 192.168.0.1
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- name: Disable SnmpNetwork
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tags:
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- elementsw_cluster_snmp
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na_elementsw_cluster_snmp:
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hostname: "{{ elementsw_hostname }}"
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username: "{{ elementsw_username }}"
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password: "{{ elementsw_password }}"
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state: absent
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"""
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RETURN = """
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msg:
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description: Success message
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returned: success
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type: str
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"""
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import traceback
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils._text import to_native
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import ansible.module_utils.netapp as netapp_utils
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from ansible.module_utils.netapp_elementsw_module import NaElementSWModule
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from ansible.module_utils.netapp_module import NetAppModule
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HAS_SF_SDK = netapp_utils.has_sf_sdk()
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class ElementSWClusterSnmp(object):
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"""
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Element Software Configure Element SW Cluster SnmpNetwork
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"""
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def __init__(self):
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self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
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self.argument_spec.update(dict(
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state=dict(type='str', choices=['present', 'absent'], default='present'),
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snmp_v3_enabled=dict(type='bool'),
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networks=dict(
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type='dict',
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options=dict(
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access=dict(type='str', choices=['ro', 'rw', 'rosys']),
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cidr=dict(type='int', default=None),
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community=dict(type='str', default=None),
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network=dict(type='str', default=None)
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)
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),
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usm_users=dict(
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type='dict',
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options=dict(
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access=dict(type='str', choices=['rouser', 'rwuser', 'rosys']),
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name=dict(type='str', default=None),
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password=dict(type='str', default=None),
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passphrase=dict(type='str', default=None),
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secLevel=dict(type='str', choices=['auth', 'noauth', 'priv'])
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)
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),
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))
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self.module = AnsibleModule(
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argument_spec=self.argument_spec,
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required_if=[
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('state', 'present', ['snmp_v3_enabled']),
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('snmp_v3_enabled', True, ['usm_users']),
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('snmp_v3_enabled', False, ['networks'])
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],
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supports_check_mode=True
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)
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self.na_helper = NetAppModule()
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self.parameters = self.na_helper.set_parameters(self.module.params)
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if self.parameters.get('state') == "present":
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if self.parameters.get('usm_users') is not None:
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# Getting the configuration details to configure SNMP Version3
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self.access_usm = self.parameters.get('usm_users')['access']
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self.name = self.parameters.get('usm_users')['name']
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self.password = self.parameters.get('usm_users')['password']
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self.passphrase = self.parameters.get('usm_users')['passphrase']
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self.secLevel = self.parameters.get('usm_users')['secLevel']
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if self.parameters.get('networks') is not None:
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# Getting the configuration details to configure SNMP Version2
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self.access_network = self.parameters.get('networks')['access']
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self.cidr = self.parameters.get('networks')['cidr']
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self.community = self.parameters.get('networks')['community']
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self.network = self.parameters.get('networks')['network']
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if HAS_SF_SDK is False:
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self.module.fail_json(msg="Unable to import the SolidFire Python SDK")
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else:
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self.sfe = netapp_utils.create_sf_connection(module=self.module)
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def enable_snmp(self):
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"""
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enable snmp feature
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"""
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try:
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self.sfe.enable_snmp(snmp_v3_enabled=self.parameters.get('snmp_v3_enabled'))
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except Exception as exception_object:
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self.module.fail_json(msg='Error enabling snmp feature %s' % to_native(exception_object),
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exception=traceback.format_exc())
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def disable_snmp(self):
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"""
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disable snmp feature
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"""
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try:
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self.sfe.disable_snmp()
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except Exception as exception_object:
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self.module.fail_json(msg='Error disabling snmp feature %s' % to_native(exception_object),
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exception=traceback.format_exc())
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def configure_snmp(self, actual_networks, actual_usm_users):
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"""
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Configure snmp
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"""
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try:
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self.sfe.set_snmp_acl(networks=[actual_networks], usm_users=[actual_usm_users])
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except Exception as exception_object:
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self.module.fail_json(msg='Error Configuring snmp feature %s' % to_native(exception_object.message),
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exception=traceback.format_exc())
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def apply(self):
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"""
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Cluster SNMP configuration
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"""
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changed = False
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result_message = None
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update_required = False
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version_change = False
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is_snmp_enabled = self.sfe.get_snmp_state().enabled
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if is_snmp_enabled is True:
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# IF SNMP is already enabled
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if self.parameters.get('state') == 'absent':
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# Checking for state change(s) here, and applying it later in the code allows us to support
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# check_mode
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changed = True
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elif self.parameters.get('state') == 'present':
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# Checking if SNMP configuration needs to be updated,
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is_snmp_v3_enabled = self.sfe.get_snmp_state().snmp_v3_enabled
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if is_snmp_v3_enabled != self.parameters.get('snmp_v3_enabled'):
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# Checking if there any version changes required
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version_change = True
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changed = True
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if is_snmp_v3_enabled is True:
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# Checking If snmp configuration for usm_users needs modification
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if len(self.sfe.get_snmp_info().usm_users) == 0:
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# If snmp is getting configured for first time
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update_required = True
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changed = True
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else:
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for usm_user in self.sfe.get_snmp_info().usm_users:
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if usm_user.access != self.access_usm or usm_user.name != self.name or usm_user.password != self.password or \
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usm_user.passphrase != self.passphrase or usm_user.sec_level != self.secLevel:
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update_required = True
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changed = True
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else:
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# Checking If snmp configuration for networks needs modification
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for snmp_network in self.sfe.get_snmp_info().networks:
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if snmp_network.access != self.access_network or snmp_network.cidr != self.cidr or \
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snmp_network.community != self.community or snmp_network.network != self.network:
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update_required = True
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changed = True
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else:
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if self.parameters.get('state') == 'present':
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changed = True
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result_message = ""
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if changed:
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if self.module.check_mode is True:
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result_message = "Check mode, skipping changes"
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else:
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if self.parameters.get('state') == "present":
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# IF snmp is not enabled, then enable and configure snmp
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if self.parameters.get('snmp_v3_enabled') is True:
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# IF SNMP is enabled with version 3
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usm_users = {'access': self.access_usm,
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'name': self.name,
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'password': self.password,
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'passphrase': self.passphrase,
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'secLevel': self.secLevel}
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networks = None
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else:
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# IF SNMP is enabled with version 2
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usm_users = None
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networks = {'access': self.access_network,
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'cidr': self.cidr,
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'community': self.community,
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'network': self.network}
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if is_snmp_enabled is False or version_change is True:
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# Enable and configure snmp
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self.enable_snmp()
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self.configure_snmp(networks, usm_users)
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result_message = "SNMP is enabled and configured"
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elif update_required is True:
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# If snmp is already enabled, update the configuration if required
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self.configure_snmp(networks, usm_users)
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result_message = "SNMP is configured"
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elif is_snmp_enabled is True and self.parameters.get('state') == "absent":
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# If snmp is enabled and state is absent, disable snmp
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self.disable_snmp()
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result_message = "SNMP is disabled"
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self.module.exit_json(changed=changed, msg=result_message)
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def main():
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"""
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Main function
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"""
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na_elementsw_cluster_snmp = ElementSWClusterSnmp()
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na_elementsw_cluster_snmp.apply()
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if __name__ == '__main__':
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main()
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