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07ecfc940c
* Recover missing netapp.ontap module doc fragments from ansible/ansible@pre-ansible-base. * Fix PEP8 issues. * Remove netbox empty files, and test which shouldn't be here. * Add forgotten file for kubevirt tests. * Fix unit test imports. * ansible/ansible#68415 has been fixed. * Clean up/rearrange imports. * Update ignore.txt, fix boilerplate. * Netapp docs fragment: fix spacing * Forgot to adjust kubevirt tests.
284 lines
12 KiB
Python
284 lines
12 KiB
Python
#!/usr/bin/python
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# (c) 2016, NetApp, Inc
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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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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---
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module: netapp_e_lun_mapping
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author:
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- Kevin Hulquest (@hulquest)
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- Nathan Swartz (@ndswartz)
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short_description: NetApp E-Series create, delete, or modify lun mappings
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description:
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- Create, delete, or modify mappings between a volume and a targeted host/host+ group.
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extends_documentation_fragment:
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- community.general.netapp.eseries
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options:
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state:
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description:
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- Present will ensure the mapping exists, absent will remove the mapping.
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required: True
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choices: ["present", "absent"]
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target:
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description:
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- The name of host or hostgroup you wish to assign to the mapping
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- If omitted, the default hostgroup is used.
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- If the supplied I(volume_name) is associated with a different target, it will be updated to what is supplied here.
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required: False
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volume_name:
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description:
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- The name of the volume you wish to include in the mapping.
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required: True
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aliases:
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- volume
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lun:
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description:
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- The LUN value you wish to give the mapping.
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- If the supplied I(volume_name) is associated with a different LUN, it will be updated to what is supplied here.
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- LUN value will be determine by the storage-system when not specified.
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required: no
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target_type:
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description:
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- This option specifies the whether the target should be a host or a group of hosts
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- Only necessary when the target name is used for both a host and a group of hosts
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choices:
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- host
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- group
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required: no
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'''
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EXAMPLES = '''
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---
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- name: Map volume1 to the host target host1
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netapp_e_lun_mapping:
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ssid: 1
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api_url: "{{ netapp_api_url }}"
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api_username: "{{ netapp_api_username }}"
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api_password: "{{ netapp_api_password }}"
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validate_certs: no
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state: present
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target: host1
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volume: volume1
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- name: Delete the lun mapping between volume1 and host1
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netapp_e_lun_mapping:
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ssid: 1
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api_url: "{{ netapp_api_url }}"
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api_username: "{{ netapp_api_username }}"
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api_password: "{{ netapp_api_password }}"
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validate_certs: yes
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state: absent
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target: host1
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volume: volume1
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'''
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RETURN = '''
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msg:
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description: success of the module
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returned: always
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type: str
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sample: Lun mapping is complete
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'''
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import json
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import logging
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from pprint import pformat
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from ansible.module_utils.basic import AnsibleModule
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from ansible_collections.netapp.ontap.plugins.module_utils.netapp import request, eseries_host_argument_spec
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from ansible.module_utils._text import to_native
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HEADERS = {
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"Content-Type": "application/json",
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"Accept": "application/json"
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}
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class LunMapping(object):
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def __init__(self):
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argument_spec = eseries_host_argument_spec()
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argument_spec.update(dict(
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state=dict(required=True, choices=["present", "absent"]),
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target=dict(required=False, default=None),
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volume_name=dict(required=True, aliases=["volume"]),
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lun=dict(type="int", required=False),
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target_type=dict(required=False, choices=["host", "group"])))
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self.module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True)
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args = self.module.params
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self.state = args["state"] in ["present"]
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self.target = args["target"]
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self.volume = args["volume_name"]
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self.lun = args["lun"]
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self.target_type = args["target_type"]
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self.ssid = args["ssid"]
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self.url = args["api_url"]
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self.check_mode = self.module.check_mode
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self.creds = dict(url_username=args["api_username"],
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url_password=args["api_password"],
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validate_certs=args["validate_certs"])
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self.mapping_info = None
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if not self.url.endswith('/'):
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self.url += '/'
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def update_mapping_info(self):
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"""Collect the current state of the storage array."""
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response = None
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try:
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rc, response = request(self.url + "storage-systems/%s/graph" % self.ssid,
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method="GET", headers=HEADERS, **self.creds)
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except Exception as error:
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self.module.fail_json(
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msg="Failed to retrieve storage array graph. Id [%s]. Error [%s]" % (self.ssid, to_native(error)))
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# Create dictionary containing host/cluster references mapped to their names
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target_reference = {}
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target_name = {}
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target_type = {}
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if self.target_type is None or self.target_type == "host":
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for host in response["storagePoolBundle"]["host"]:
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target_reference.update({host["hostRef"]: host["name"]})
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target_name.update({host["name"]: host["hostRef"]})
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target_type.update({host["name"]: "host"})
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if self.target_type is None or self.target_type == "group":
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for cluster in response["storagePoolBundle"]["cluster"]:
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# Verify there is no ambiguity between target's type (ie host and group has the same name)
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if self.target and self.target_type is None and cluster["name"] == self.target and \
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self.target in target_name.keys():
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self.module.fail_json(msg="Ambiguous target type: target name is used for both host and group"
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" targets! Id [%s]" % self.ssid)
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target_reference.update({cluster["clusterRef"]: cluster["name"]})
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target_name.update({cluster["name"]: cluster["clusterRef"]})
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target_type.update({cluster["name"]: "group"})
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volume_reference = {}
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volume_name = {}
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lun_name = {}
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for volume in response["volume"]:
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volume_reference.update({volume["volumeRef"]: volume["name"]})
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volume_name.update({volume["name"]: volume["volumeRef"]})
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if volume["listOfMappings"]:
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lun_name.update({volume["name"]: volume["listOfMappings"][0]["lun"]})
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for volume in response["highLevelVolBundle"]["thinVolume"]:
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volume_reference.update({volume["volumeRef"]: volume["name"]})
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volume_name.update({volume["name"]: volume["volumeRef"]})
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if volume["listOfMappings"]:
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lun_name.update({volume["name"]: volume["listOfMappings"][0]["lun"]})
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# Build current mapping object
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self.mapping_info = dict(lun_mapping=[dict(volume_reference=mapping["volumeRef"],
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map_reference=mapping["mapRef"],
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lun_mapping_reference=mapping["lunMappingRef"],
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lun=mapping["lun"]
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) for mapping in response["storagePoolBundle"]["lunMapping"]],
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volume_by_reference=volume_reference,
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volume_by_name=volume_name,
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lun_by_name=lun_name,
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target_by_reference=target_reference,
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target_by_name=target_name,
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target_type_by_name=target_type)
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def get_lun_mapping(self):
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"""Find the matching lun mapping reference.
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Returns: tuple(bool, int, int): contains volume match, volume mapping reference and mapping lun
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"""
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target_match = False
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reference = None
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lun = None
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self.update_mapping_info()
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# Verify that when a lun is specified that it does not match an existing lun value unless it is associated with
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# the specified volume (ie for an update)
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if self.lun and any((self.lun == lun_mapping["lun"] and
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self.target == self.mapping_info["target_by_reference"][lun_mapping["map_reference"]] and
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self.volume != self.mapping_info["volume_by_reference"][lun_mapping["volume_reference"]]
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) for lun_mapping in self.mapping_info["lun_mapping"]):
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self.module.fail_json(msg="Option lun value is already in use for target! Array Id [%s]." % self.ssid)
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# Verify that when target_type is specified then it matches the target's actually type
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if self.target and self.target_type and self.target in self.mapping_info["target_type_by_name"].keys() and \
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self.mapping_info["target_type_by_name"][self.target] != self.target_type:
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self.module.fail_json(
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msg="Option target does not match the specified target_type! Id [%s]." % self.ssid)
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# Verify volume and target exist if needed for expected state.
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if self.state:
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if self.volume not in self.mapping_info["volume_by_name"].keys():
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self.module.fail_json(msg="Volume does not exist. Id [%s]." % self.ssid)
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if self.target and self.target not in self.mapping_info["target_by_name"].keys():
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self.module.fail_json(msg="Target does not exist. Id [%s'." % self.ssid)
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for lun_mapping in self.mapping_info["lun_mapping"]:
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# Find matching volume reference
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if lun_mapping["volume_reference"] == self.mapping_info["volume_by_name"][self.volume]:
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reference = lun_mapping["lun_mapping_reference"]
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lun = lun_mapping["lun"]
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# Determine if lun mapping is attached to target with the
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if (lun_mapping["map_reference"] in self.mapping_info["target_by_reference"].keys() and
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self.mapping_info["target_by_reference"][lun_mapping["map_reference"]] == self.target and
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(self.lun is None or lun == self.lun)):
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target_match = True
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return target_match, reference, lun
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def update(self):
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"""Execute the changes the require changes on the storage array."""
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target_match, lun_reference, lun = self.get_lun_mapping()
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update = (self.state and not target_match) or (not self.state and target_match)
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if update and not self.check_mode:
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try:
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if self.state:
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body = dict()
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target = None if not self.target else self.mapping_info["target_by_name"][self.target]
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if target:
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body.update(dict(targetId=target))
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if self.lun is not None:
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body.update(dict(lun=self.lun))
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if lun_reference:
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rc, response = request(self.url + "storage-systems/%s/volume-mappings/%s/move"
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% (self.ssid, lun_reference), method="POST", data=json.dumps(body),
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headers=HEADERS, **self.creds)
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else:
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body.update(dict(mappableObjectId=self.mapping_info["volume_by_name"][self.volume]))
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rc, response = request(self.url + "storage-systems/%s/volume-mappings" % self.ssid,
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method="POST", data=json.dumps(body), headers=HEADERS, **self.creds)
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else: # Remove existing lun mapping for volume and target
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rc, response = request(self.url + "storage-systems/%s/volume-mappings/%s"
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% (self.ssid, lun_reference),
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method="DELETE", headers=HEADERS, **self.creds)
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except Exception as error:
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self.module.fail_json(
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msg="Failed to update storage array lun mapping. Id [%s]. Error [%s]"
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% (self.ssid, to_native(error)))
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self.module.exit_json(msg="Lun mapping is complete.", changed=update)
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def main():
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lun_mapping = LunMapping()
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lun_mapping.update()
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if __name__ == '__main__':
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main()
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