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ansible-later/env_27/lib/python2.7/site-packages/ansible/modules/storage/netapp/netapp_e_host.py
Robert Kaussow 04dec26a3a add missing dependencies and fix drone pipeline
2019-04-11 13:00:36 +02:00

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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# (c) 2018, NetApp Inc.
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = """
---
module: netapp_e_host
short_description: NetApp E-Series manage eseries hosts
description: Create, update, remove hosts on NetApp E-series storage arrays
version_added: '2.2'
author: Kevin Hulquest (@hulquest)
extends_documentation_fragment:
- netapp.eseries
options:
name:
description:
- If the host doesn't yet exist, the label/name to assign at creation time.
- If the hosts already exists, this will be used to uniquely identify the host to make any required changes
required: True
aliases:
- label
state:
description:
- Set to absent to remove an existing host
- Set to present to modify or create a new host definition
choices:
- absent
- present
default: present
version_added: 2.7
host_type_index:
description:
- The index that maps to host type you wish to create. It is recommended to use the M(netapp_e_facts) module to gather this information.
Alternatively you can use the WSP portal to retrieve the information.
- Required when C(state=present)
aliases:
- host_type
ports:
description:
- A list of host ports you wish to associate with the host.
- Host ports are uniquely identified by their WWN or IQN. Their assignments to a particular host are
uniquely identified by a label and these must be unique.
required: False
suboptions:
type:
description:
- The interface type of the port to define.
- Acceptable choices depend on the capabilities of the target hardware/software platform.
required: true
choices:
- iscsi
- sas
- fc
- ib
- nvmeof
- ethernet
label:
description:
- A unique label to assign to this port assignment.
required: true
port:
description:
- The WWN or IQN of the hostPort to assign to this port definition.
required: true
force_port:
description:
- Allow ports that are already assigned to be re-assigned to your current host
required: false
type: bool
version_added: 2.7
group:
description:
- The unique identifier of the host-group you want the host to be a member of; this is used for clustering.
required: False
aliases:
- cluster
log_path:
description:
- A local path to a file to be used for debug logging
required: False
version_added: 2.7
"""
EXAMPLES = """
- name: Define or update an existing host named 'Host1'
netapp_e_host:
ssid: "1"
api_url: "10.113.1.101:8443"
api_username: "admin"
api_password: "myPassword"
name: "Host1"
state: present
host_type_index: 28
ports:
- type: 'iscsi'
label: 'PORT_1'
port: 'iqn.1996-04.de.suse:01:56f86f9bd1fe'
- type: 'fc'
label: 'FC_1'
port: '10:00:FF:7C:FF:FF:FF:01'
- type: 'fc'
label: 'FC_2'
port: '10:00:FF:7C:FF:FF:FF:00'
- name: Ensure a host named 'Host2' doesn't exist
netapp_e_host:
ssid: "1"
api_url: "10.113.1.101:8443"
api_username: "admin"
api_password: "myPassword"
name: "Host2"
state: absent
"""
RETURN = """
msg:
description:
- A user-readable description of the actions performed.
returned: on success
type: string
sample: The host has been created.
id:
description:
- the unique identifier of the host on the E-Series storage-system
returned: on success when state=present
type: string
sample: 00000000600A098000AAC0C3003004700AD86A52
version_added: "2.6"
ssid:
description:
- the unique identifer of the E-Series storage-system with the current api
returned: on success
type: string
sample: 1
version_added: "2.6"
api_url:
description:
- the url of the API that this request was proccessed by
returned: on success
type: string
sample: https://webservices.example.com:8443
version_added: "2.6"
"""
import json
import logging
from pprint import pformat
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.netapp import request, eseries_host_argument_spec
from ansible.module_utils._text import to_native
HEADERS = {
"Content-Type": "application/json",
"Accept": "application/json",
}
class Host(object):
def __init__(self):
argument_spec = eseries_host_argument_spec()
argument_spec.update(dict(
state=dict(type='str', default='present', choices=['absent', 'present']),
group=dict(type='str', required=False, aliases=['cluster']),
ports=dict(type='list', required=False),
force_port=dict(type='bool', default=False),
name=dict(type='str', required=True, aliases=['label']),
host_type_index=dict(type='int', aliases=['host_type']),
log_path=dict(type='str', required=False),
))
required_if = [
["state", "absent", ["name"]],
["state", "present", ["name", "host_type"]]
]
self.module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True, required_if=required_if)
self.check_mode = self.module.check_mode
args = self.module.params
self.group = args['group']
self.ports = args['ports']
self.force_port = args['force_port']
self.name = args['name']
self.host_type_index = args['host_type_index']
self.state = args['state']
self.ssid = args['ssid']
self.url = args['api_url']
self.user = args['api_username']
self.pwd = args['api_password']
self.certs = args['validate_certs']
self.post_body = dict()
self.all_hosts = list()
self.newPorts = list()
self.portsForUpdate = list()
self.force_port_update = False
log_path = args['log_path']
# logging setup
self._logger = logging.getLogger(self.__class__.__name__)
if log_path:
logging.basicConfig(
level=logging.DEBUG, filename=log_path, filemode='w',
format='%(relativeCreated)dms %(levelname)s %(module)s.%(funcName)s:%(lineno)d\n %(message)s')
if not self.url.endswith('/'):
self.url += '/'
# Fix port representation if they are provided with colons
if self.ports is not None:
for port in self.ports:
if port['type'] != 'iscsi':
port['port'] = port['port'].replace(':', '')
@property
def valid_host_type(self):
try:
(rc, host_types) = request(self.url + 'storage-systems/%s/host-types' % self.ssid, url_password=self.pwd,
url_username=self.user, validate_certs=self.certs, headers=HEADERS)
except Exception as err:
self.module.fail_json(
msg="Failed to get host types. Array Id [%s]. Error [%s]." % (self.ssid, to_native(err)))
try:
match = list(filter(lambda host_type: host_type['index'] == self.host_type_index, host_types))[0]
return True
except IndexError:
self.module.fail_json(msg="There is no host type with index %s" % self.host_type_index)
@property
def host_ports_available(self):
"""Determine if the hostPorts requested have already been assigned"""
for host in self.all_hosts:
if host['label'] != self.name:
for host_port in host['hostSidePorts']:
for port in self.ports:
if (port['port'] == host_port['address'] or port['label'] == host_port['label']):
if not self.force_port:
self.module.fail_json(
msg="There are no host ports available OR there are not enough unassigned host ports")
else:
return False
return True
@property
def group_id(self):
if self.group:
try:
(rc, all_groups) = request(self.url + 'storage-systems/%s/host-groups' % self.ssid,
url_password=self.pwd,
url_username=self.user, validate_certs=self.certs, headers=HEADERS)
except Exception as err:
self.module.fail_json(
msg="Failed to get host groups. Array Id [%s]. Error [%s]." % (self.ssid, to_native(err)))
try:
group_obj = list(filter(lambda group: group['name'] == self.group, all_groups))[0]
return group_obj['id']
except IndexError:
self.module.fail_json(msg="No group with the name: %s exists" % self.group)
else:
# Return the value equivalent of no group
return "0000000000000000000000000000000000000000"
@property
def host_exists(self):
"""Determine if the requested host exists
As a side effect, set the full list of defined hosts in 'all_hosts', and the target host in 'host_obj'.
"""
all_hosts = list()
try:
(rc, all_hosts) = request(self.url + 'storage-systems/%s/hosts' % self.ssid, url_password=self.pwd,
url_username=self.user, validate_certs=self.certs, headers=HEADERS)
except Exception as err:
self.module.fail_json(
msg="Failed to determine host existence. Array Id [%s]. Error [%s]." % (self.ssid, to_native(err)))
self.all_hosts = all_hosts
# Augment the host objects
for host in all_hosts:
# Augment hostSidePorts with their ID (this is an omission in the API)
host_side_ports = host['hostSidePorts']
initiators = dict((port['label'], port['id']) for port in host['initiators'])
ports = dict((port['label'], port['id']) for port in host['ports'])
ports.update(initiators)
for port in host_side_ports:
if port['label'] in ports:
port['id'] = ports[port['label']]
try: # Try to grab the host object
self.host_obj = list(filter(lambda host: host['label'] == self.name, all_hosts))[0]
return True
except IndexError:
# Host with the name passed in does not exist
return False
@property
def needs_update(self):
"""Determine whether we need to update the Host object
As a side effect, we will set the ports that we need to update (portsForUpdate), and the ports we need to add
(newPorts), on self.
:return:
"""
needs_update = False
if self.host_obj['clusterRef'] != self.group_id or self.host_obj['hostTypeIndex'] != self.host_type_index:
self._logger.info("Either hostType or the clusterRef doesn't match, an update is required.")
needs_update = True
if self.ports:
self._logger.debug("Determining if ports need to be updated.")
# Find the names of all defined ports
port_names = set(port['label'] for port in self.host_obj['hostSidePorts'])
port_addresses = set(port['address'] for port in self.host_obj['hostSidePorts'])
# If we have ports defined and there are no ports on the host object, we need an update
if not self.host_obj['hostSidePorts']:
needs_update = True
for arg_port in self.ports:
# First a quick check to see if the port is mapped to a different host
if not self.port_on_diff_host(arg_port):
# The port (as defined), currently does not exist
if arg_port['label'] not in port_names:
needs_update = True
# This port has not been defined on the host at all
if arg_port['port'] not in port_addresses:
self.newPorts.append(arg_port)
# A port label update has been requested
else:
self.portsForUpdate.append(arg_port)
# The port does exist, does it need to be updated?
else:
for obj_port in self.host_obj['hostSidePorts']:
if arg_port['label'] == obj_port['label']:
# Confirmed that port arg passed in exists on the host
# port_id = self.get_port_id(obj_port['label'])
if arg_port['type'] != obj_port['type']:
needs_update = True
self.portsForUpdate.append(arg_port)
if 'iscsiChapSecret' in arg_port:
# No way to know the current secret attr, so always return True just in case
needs_update = True
self.portsForUpdate.append(arg_port)
else:
# If the user wants the ports to be reassigned, do it
if self.force_port:
self.force_port_update = True
needs_update = True
else:
self.module.fail_json(
msg="The port you specified:\n%s\n is associated with a different host. Specify force_port"
" as True or try a different port spec" % arg_port
)
self._logger.debug("Is an update required ?=%s", needs_update)
return needs_update
def get_ports_on_host(self):
"""Retrieve the hostPorts that are defined on the target host
:return: a list of hostPorts with their labels and ids
Example:
[
{
'name': 'hostPort1',
'id': '0000000000000000000000'
}
]
"""
ret = dict()
for host in self.all_hosts:
if host['name'] == self.name:
ports = host['hostSidePorts']
for port in ports:
ret[port['address']] = {'label': port['label'], 'id': port['id'], 'address': port['address']}
return ret
def port_on_diff_host(self, arg_port):
""" Checks to see if a passed in port arg is present on a different host """
for host in self.all_hosts:
# Only check 'other' hosts
if host['name'] != self.name:
for port in host['hostSidePorts']:
# Check if the port label is found in the port dict list of each host
if arg_port['label'] == port['label'] or arg_port['port'] == port['address']:
self.other_host = host
return True
return False
def get_port(self, label, address):
for host in self.all_hosts:
for port in host['hostSidePorts']:
if port['label'] == label or port['address'] == address:
return port
def reassign_ports(self, apply=True):
post_body = dict(
portsToUpdate=dict()
)
for port in self.ports:
if self.port_on_diff_host(port):
host_port = self.get_port(port['label'], port['port'])
post_body['portsToUpdate'].update(dict(
portRef=host_port['id'],
hostRef=self.host_obj['id'],
label=port['label']
# Doesn't yet address port identifier or chap secret
))
self._logger.info("reassign_ports: %s", pformat(post_body))
if apply:
try:
(rc, self.host_obj) = request(
self.url + 'storage-systems/%s/hosts/%s' % (self.ssid, self.host_obj['id']),
url_username=self.user, url_password=self.pwd, headers=HEADERS,
validate_certs=self.certs, method='POST', data=json.dumps(post_body))
except Exception as err:
self.module.fail_json(
msg="Failed to reassign host port. Host Id [%s]. Array Id [%s]. Error [%s]." % (
self.host_obj['id'], self.ssid, to_native(err)))
return post_body
def update_host(self):
self._logger.debug("Beginning the update for host=%s.", self.name)
if self.ports:
self._logger.info("Requested ports: %s", pformat(self.ports))
if self.host_ports_available or self.force_port:
self.reassign_ports(apply=True)
# Make sure that only ports that aren't being reassigned are passed into the ports attr
host_ports = self.get_ports_on_host()
ports_for_update = list()
self._logger.info("Ports on host: %s", pformat(host_ports))
for port in self.portsForUpdate:
if port['port'] in host_ports:
defined_port = host_ports.get(port['port'])
defined_port.update(port)
defined_port['portRef'] = defined_port['id']
ports_for_update.append(defined_port)
self._logger.info("Ports to update: %s", pformat(ports_for_update))
self._logger.info("Ports to define: %s", pformat(self.newPorts))
self.post_body['portsToUpdate'] = ports_for_update
self.post_body['ports'] = self.newPorts
else:
self._logger.debug("No host ports were defined.")
if self.group:
self.post_body['groupId'] = self.group_id
self.post_body['hostType'] = dict(index=self.host_type_index)
api = self.url + 'storage-systems/%s/hosts/%s' % (self.ssid, self.host_obj['id'])
self._logger.info("POST => url=%s, body=%s.", api, pformat(self.post_body))
if not self.check_mode:
try:
(rc, self.host_obj) = request(api, url_username=self.user, url_password=self.pwd, headers=HEADERS,
validate_certs=self.certs, method='POST', data=json.dumps(self.post_body))
except Exception as err:
self.module.fail_json(
msg="Failed to update host. Array Id [%s]. Error [%s]." % (self.ssid, to_native(err)))
payload = self.build_success_payload(self.host_obj)
self.module.exit_json(changed=True, **payload)
def create_host(self):
self._logger.info("Creating host definition.")
needs_reassignment = False
post_body = dict(
name=self.name,
hostType=dict(index=self.host_type_index),
groupId=self.group_id,
)
if self.ports:
# Check that all supplied port args are valid
if self.host_ports_available:
self._logger.info("The host-ports requested are available.")
post_body.update(ports=self.ports)
elif not self.force_port:
self.module.fail_json(
msg="You supplied ports that are already in use."
" Supply force_port to True if you wish to reassign the ports")
else:
needs_reassignment = True
api = self.url + "storage-systems/%s/hosts" % self.ssid
self._logger.info('POST => url=%s, body=%s', api, pformat(post_body))
if not (self.host_exists and self.check_mode):
try:
(rc, self.host_obj) = request(api, method='POST',
url_username=self.user, url_password=self.pwd, validate_certs=self.certs,
data=json.dumps(post_body), headers=HEADERS)
except Exception as err:
self.module.fail_json(
msg="Failed to create host. Array Id [%s]. Error [%s]." % (self.ssid, to_native(err)))
else:
payload = self.build_success_payload(self.host_obj)
self.module.exit_json(changed=False,
msg="Host already exists. Id [%s]. Host [%s]." % (self.ssid, self.name), **payload)
self._logger.info("Created host, beginning port re-assignment.")
if needs_reassignment:
self.reassign_ports()
payload = self.build_success_payload(self.host_obj)
self.module.exit_json(changed=True, msg='Host created.', **payload)
def remove_host(self):
try:
(rc, resp) = request(self.url + "storage-systems/%s/hosts/%s" % (self.ssid, self.host_obj['id']),
method='DELETE',
url_username=self.user, url_password=self.pwd, validate_certs=self.certs)
except Exception as err:
self.module.fail_json(
msg="Failed to remove host. Host[%s]. Array Id [%s]. Error [%s]." % (self.host_obj['id'],
self.ssid,
to_native(err)))
def build_success_payload(self, host=None):
keys = ['id']
if host is not None:
result = dict((key, host[key]) for key in keys)
else:
result = dict()
result['ssid'] = self.ssid
result['api_url'] = self.url
return result
def apply(self):
if self.state == 'present':
if self.host_exists:
if self.needs_update and self.valid_host_type:
self.update_host()
else:
payload = self.build_success_payload(self.host_obj)
self.module.exit_json(changed=False, msg="Host already present; no changes required.", **payload)
elif self.valid_host_type:
self.create_host()
else:
payload = self.build_success_payload()
if self.host_exists:
self.remove_host()
self.module.exit_json(changed=True, msg="Host removed.", **payload)
else:
self.module.exit_json(changed=False, msg="Host already absent.", **payload)
def main():
host = Host()
host.apply()
if __name__ == '__main__':
main()
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