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Added OpenNebula inventory plugin (#810) (#3460)

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* Added OpenNebula inventory plugin

Signed-off-by: Kristián Feldsam <feldsam@gmail.com>

* Apply suggestions from code review

Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>

* Apply suggestions from code review

Co-authored-by: Felix Fontein <felix@fontein.de>

* Removed matching inventory yaml files ending with "one"

Too general word

* Apply suggestions from code review

Co-authored-by: Felix Fontein <felix@fontein.de>

* Apply suggestions from code review

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
Signed-off-by: Kristian Feldsam <feldsam@gmail.com>

* Added BOTMETA

Signed-off-by: Kristian Feldsam <feldsam@gmail.com>

* Moved import

Signed-off-by: Kristian Feldsam <feldsam@gmail.com>

* Fix indentation problem

Signed-off-by: Kristian Feldsam <feldsam@gmail.com>

* Added group_by_labels, refactored so can be unit tested

Signed-off-by: Kristian Feldsam <feldsam@gmail.com>

* Added unit tests

Signed-off-by: Kristian Feldsam <feldsam@gmail.com>

* Removed blank line

Signed-off-by: Kristian Feldsam <feldsam@gmail.com>

* Apply suggestions from code review

Co-authored-by: Felix Fontein <felix@fontein.de>

Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>
Co-authored-by: Felix Fontein <felix@fontein.de>
Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
(cherry picked from commit 806f1ea3c9)

Co-authored-by: Kristian Feldsam <feldsam@gmail.com>
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4
.github/BOTMETA.yml vendored
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@ -153,6 +153,10 @@ files:
$inventories/nmap.py: {}
$inventories/online.py:
maintainers: sieben
$inventories/opennebula.py:
maintainers: feldsam
labels: cloud opennebula
keywords: opennebula dynamic inventory script
$inventories/proxmox.py:
maintainers: $team_virt ilijamt
$inventories/icinga2.py:

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plugins/inventory/opennebula.py Normal file
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@ -0,0 +1,239 @@
# -*- coding: utf-8 -*-
# Copyright (c) 2020, FELDSAM s.r.o. - FeldHost™ <support@feldhost.cz>
# 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
DOCUMENTATION = r'''
name: opennebula
author:
- Kristian Feldsam (@feldsam)
short_description: OpenNebula inventory source
version_added: "3.8.0"
extends_documentation_fragment:
- constructed
description:
- Get inventory hosts from OpenNebula cloud.
- Uses an YAML configuration file ending with either I(opennebula.yml) or I(opennebula.yaml)
to set parameter values.
- Uses I(api_authfile), C(~/.one/one_auth), or C(ONE_AUTH) pointing to a OpenNebula credentials file.
options:
plugin:
description: Token that ensures this is a source file for the 'opennebula' plugin.
type: string
required: true
choices: [ community.general.opennebula ]
api_url:
description:
- URL of the OpenNebula RPC server.
- It is recommended to use HTTPS so that the username/password are not
transferred over the network unencrypted.
- If not set then the value of the C(ONE_URL) environment variable is used.
env:
- name: ONE_URL
required: True
type: string
api_username:
description:
- Name of the user to login into the OpenNebula RPC server. If not set
then the value of the C(ONE_USERNAME) environment variable is used.
env:
- name: ONE_USERNAME
type: string
api_password:
description:
- Password or a token of the user to login into OpenNebula RPC server.
- If not set, the value of the C(ONE_PASSWORD) environment variable is used.
env:
- name: ONE_PASSWORD
required: False
type: string
api_authfile:
description:
- If both I(api_username) or I(api_password) are not set, then it will try
authenticate with ONE auth file. Default path is C(~/.one/one_auth).
- Set environment variable C(ONE_AUTH) to override this path.
env:
- name: ONE_AUTH
required: False
type: string
hostname:
description: Field to match the hostname. Note C(v4_first_ip) corresponds to the first IPv4 found on VM.
type: string
default: v4_first_ip
choices:
- v4_first_ip
- v6_first_ip
- name
filter_by_label:
description: Only return servers filtered by this label.
type: string
group_by_labels:
description: Create host groups by vm labels
type: bool
default: True
'''
EXAMPLES = r'''
# inventory_opennebula.yml file in YAML format
# Example command line: ansible-inventory --list -i inventory_opennebula.yml
# Pass a label filter to the API
plugin: community.general.opennebula
api_url: https://opennebula:2633/RPC2
filter_by_label: Cache
'''
try:
import pyone
HAS_PYONE = True
except ImportError:
HAS_PYONE = False
from ansible.errors import AnsibleError
from ansible.plugins.inventory import BaseInventoryPlugin, Constructable
from ansible.module_utils._text import to_native
from collections import namedtuple
import os
class InventoryModule(BaseInventoryPlugin, Constructable):
NAME = 'community.general.opennebula'
def verify_file(self, path):
valid = False
if super(InventoryModule, self).verify_file(path):
if path.endswith(('opennebula.yaml', 'opennebula.yml')):
valid = True
return valid
def _get_connection_info(self):
url = self.get_option('api_url')
username = self.get_option('api_username')
password = self.get_option('api_password')
authfile = self.get_option('api_authfile')
if not username and not password:
if authfile is None:
authfile = os.path.join(os.environ.get("HOME"), ".one", "one_auth")
try:
with open(authfile, "r") as fp:
authstring = fp.read().rstrip()
username, password = authstring.split(":")
except (OSError, IOError):
raise AnsibleError("Could not find or read ONE_AUTH file at '{e}'".format(e=authfile))
except Exception:
raise AnsibleError("Error occurs when reading ONE_AUTH file at '{e}'".format(e=authfile))
auth_params = namedtuple('auth', ('url', 'username', 'password'))
return auth_params(url=url, username=username, password=password)
def _get_vm_ipv4(self, vm):
nic = vm.TEMPLATE.get('NIC')
if isinstance(nic, dict):
nic = [nic]
for net in nic:
return net['IP']
return False
def _get_vm_ipv6(self, vm):
nic = vm.TEMPLATE.get('NIC')
if isinstance(nic, dict):
nic = [nic]
for net in nic:
if net.get('IP6_GLOBAL'):
return net['IP6_GLOBAL']
return False
def _get_vm_pool(self):
auth = self._get_connection_info()
if not (auth.username and auth.password):
raise AnsibleError('API Credentials missing. Check OpenNebula inventory file.')
else:
one_client = pyone.OneServer(auth.url, session=auth.username + ':' + auth.password)
# get hosts (VMs)
try:
vm_pool = one_client.vmpool.infoextended(-2, -1, -1, 3)
except Exception as e:
raise AnsibleError("Something happened during XML-RPC call: {e}".format(e=to_native(e)))
return vm_pool
def _retrieve_servers(self, label_filter=None):
vm_pool = self._get_vm_pool()
result = []
# iterate over hosts
for vm in vm_pool.VM:
server = vm.USER_TEMPLATE
labels = []
if vm.USER_TEMPLATE.get('LABELS'):
labels = [s for s in vm.USER_TEMPLATE.get('LABELS') if s == ',' or s == '-' or s.isalnum() or s.isspace()]
labels = ''.join(labels)
labels = labels.replace(' ', '_')
labels = labels.replace('-', '_')
labels = labels.split(',')
# filter by label
if label_filter is not None:
if label_filter not in labels:
continue
server['name'] = vm.NAME
server['LABELS'] = labels
server['v4_first_ip'] = self._get_vm_ipv4(vm)
server['v6_first_ip'] = self._get_vm_ipv6(vm)
result.append(server)
return result
def _populate(self):
hostname_preference = self.get_option('hostname')
group_by_labels = self.get_option('group_by_labels')
# Add a top group 'one'
self.inventory.add_group(group='all')
filter_by_label = self.get_option('filter_by_label')
for server in self._retrieve_servers(filter_by_label):
# check for labels
if group_by_labels and server['LABELS']:
for label in server['LABELS']:
self.inventory.add_group(group=label)
self.inventory.add_host(host=server['name'], group=label)
self.inventory.add_host(host=server['name'], group='all')
for attribute, value in server.items():
self.inventory.set_variable(server['name'], attribute, value)
if hostname_preference != 'name':
self.inventory.set_variable(server['name'], 'ansible_host', server[hostname_preference])
if server.get('SSH_PORT'):
self.inventory.set_variable(server['name'], 'ansible_port', server['SSH_PORT'])
def parse(self, inventory, loader, path, cache=True):
if not HAS_PYONE:
raise AnsibleError('OpenNebula Inventory plugin requires pyone to work!')
super(InventoryModule, self).parse(inventory, loader, path)
self._read_config_data(path=path)
self._populate()

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tests/unit/plugins/inventory/test_opennebula.py Normal file
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# -*- coding: utf-8 -*-
# Copyright (c) 2020, FELDSAM s.r.o. - FeldHost™ <support@feldhost.cz>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
#
# The API responses used in these tests were recorded from OpenNebula version 5.10.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from collections import OrderedDict
import pytest
from ansible.inventory.data import InventoryData
from ansible_collections.community.general.plugins.inventory.opennebula import InventoryModule
@pytest.fixture(scope="module")
def inventory():
r = InventoryModule()
r.inventory = InventoryData()
return r
def test_verify_file(tmp_path, inventory):
file = tmp_path / "foobar.opennebula.yml"
file.touch()
assert inventory.verify_file(str(file)) is True
def test_verify_file_bad_config(inventory):
assert inventory.verify_file('foobar.opennebula.yml') is False
def get_vm_pool():
data = type('pyone.bindings.VM_POOLSub', (object,), {'VM': []})()
vm = type('pyone.bindings.VMType90Sub', (object,), {
'DEPLOY_ID': 'one-7157',
'ETIME': 0,
'GID': 132,
'GNAME': 'CSApparelVDC',
'HISTORY_RECORDS': {},
'ID': 7157,
'LAST_POLL': 1632762935,
'LCM_STATE': 3,
'MONITORING': {},
'NAME': 'sam-691-sam',
'RESCHED': 0,
'SNAPSHOTS': [],
'STATE': 3,
'STIME': 1632755245,
'TEMPLATE': OrderedDict({
'NIC': OrderedDict({
'AR_ID': '0',
'BRIDGE': 'onebr80',
'BRIDGE_TYPE': 'linux',
'CLUSTER_ID': '0',
'IP': '172.22.4.187',
'MAC': '02:00:ac:16:04:bb',
'MTU': '8192',
'NAME': 'NIC0',
'NETWORK': 'Private Net CSApparel',
'NETWORK_ID': '80',
'NETWORK_UNAME': 'CSApparelVDC-admin',
'NIC_ID': '0',
'PHYDEV': 'team0',
'SECURITY_GROUPS': '0',
'TARGET': 'one-7157-0',
'VLAN_ID': '480',
'VN_MAD': '802.1Q'
})
}),
'USER_TEMPLATE': OrderedDict({
'HYPERVISOR': 'kvm',
'INPUTS_ORDER': '',
'LOGO': 'images/logos/centos.png',
'MEMORY_UNIT_COST': 'MB',
'SCHED_REQUIREMENTS': 'CLUSTER_ID="0"'
})
})()
data.VM.append(vm)
vm = type('pyone.bindings.VMType90Sub', (object,), {
'DEPLOY_ID': 'one-327',
'ETIME': 0,
'GID': 0,
'GNAME': 'oneadmin',
'HISTORY_RECORDS': {},
'ID': 327,
'LAST_POLL': 1632763543,
'LCM_STATE': 3,
'MONITORING': {},
'NAME': 'zabbix-327',
'RESCHED': 0,
'SNAPSHOTS': [],
'STATE': 3,
'STIME': 1575410106,
'TEMPLATE': OrderedDict({
'NIC': [
OrderedDict({
'AR_ID': '0',
'BRIDGE': 'onerb.103',
'BRIDGE_TYPE': 'linux',
'IP': '185.165.1.1',
'IP6_GLOBAL': '2000:a001::b9ff:feae:aa0d',
'IP6_LINK': 'fe80::b9ff:feae:aa0d',
'MAC': '02:00:b9:ae:aa:0d',
'NAME': 'NIC0',
'NETWORK': 'Public',
'NETWORK_ID': '7',
'NIC_ID': '0',
'PHYDEV': 'team0',
'SECURITY_GROUPS': '0',
'TARGET': 'one-327-0',
'VLAN_ID': '100',
'VN_MAD': '802.1Q'
}),
OrderedDict({
'AR_ID': '0',
'BRIDGE': 'br0',
'BRIDGE_TYPE': 'linux',
'CLUSTER_ID': '0',
'IP': '192.168.1.1',
'MAC': '02:00:c0:a8:3b:01',
'NAME': 'NIC1',
'NETWORK': 'Management',
'NETWORK_ID': '11',
'NIC_ID': '1',
'SECURITY_GROUPS': '0',
'TARGET': 'one-327-1',
'VN_MAD': 'bridge'
})
]
}),
'USER_TEMPLATE': OrderedDict({
'HYPERVISOR': 'kvm',
'INPUTS_ORDER': '',
'LABELS': 'Oracle Linux',
'LOGO': 'images/logos/centos.png',
'MEMORY_UNIT_COST': 'MB',
'SAVED_TEMPLATE_ID': '29'
})
})()
data.VM.append(vm)
vm = type('pyone.bindings.VMType90Sub', (object,), {
'DEPLOY_ID': 'one-107',
'ETIME': 0,
'GID': 0,
'GNAME': 'oneadmin',
'HISTORY_RECORDS': {},
'ID': 107,
'LAST_POLL': 1632764186,
'LCM_STATE': 3,
'MONITORING': {},
'NAME': 'gitlab-107',
'RESCHED': 0,
'SNAPSHOTS': [],
'STATE': 3,
'STIME': 1572485522,
'TEMPLATE': OrderedDict({
'NIC': OrderedDict({
'AR_ID': '0',
'BRIDGE': 'onerb.103',
'BRIDGE_TYPE': 'linux',
'IP': '185.165.1.3',
'IP6_GLOBAL': '2000:a001::b9ff:feae:aa03',
'IP6_LINK': 'fe80::b9ff:feae:aa03',
'MAC': '02:00:b9:ae:aa:03',
'NAME': 'NIC0',
'NETWORK': 'Public',
'NETWORK_ID': '7',
'NIC_ID': '0',
'PHYDEV': 'team0',
'SECURITY_GROUPS': '0',
'TARGET': 'one-107-0',
'VLAN_ID': '100',
'VN_MAD': '802.1Q'
})
}),
'USER_TEMPLATE': OrderedDict({
'HYPERVISOR': 'kvm',
'INPUTS_ORDER': '',
'LABELS': 'Gitlab,Centos',
'LOGO': 'images/logos/centos.png',
'MEMORY_UNIT_COST': 'MB',
'SCHED_REQUIREMENTS': 'ID="0" | ID="1" | ID="2"',
'SSH_PORT': '8822'
})
})()
data.VM.append(vm)
return data
def get_option(option):
if option == 'api_url':
return 'https://opennebula:2633/RPC2'
if option == 'api_username':
return 'username'
elif option == 'api_password':
return 'password'
elif option == 'api_authfile':
return '~/.one/one_auth'
elif option == 'hostname':
return 'v4_first_ip'
elif option == 'group_by_labels':
return True
elif option == 'filter_by_label':
return None
else:
return False
def test_get_connection_info(inventory, mocker):
inventory.get_option = mocker.MagicMock(side_effect=get_option)
auth = inventory._get_connection_info()
assert (auth.username and auth.password)
def test_populate(inventory, mocker):
# bypass API fetch call
inventory._get_vm_pool = mocker.MagicMock(side_effect=get_vm_pool)
inventory.get_option = mocker.MagicMock(side_effect=get_option)
inventory._populate()
# get different hosts
host_sam = inventory.inventory.get_host('sam-691-sam')
host_zabbix = inventory.inventory.get_host('zabbix-327')
host_gitlab = inventory.inventory.get_host('gitlab-107')
# test if groups exists
assert 'Gitlab' in inventory.inventory.groups
assert 'Centos' in inventory.inventory.groups
assert 'Oracle_Linux' in inventory.inventory.groups
# check if host_zabbix is in Oracle_Linux group
group_oracle_linux = inventory.inventory.groups['Oracle_Linux']
assert group_oracle_linux.hosts == [host_zabbix]
# check if host_gitlab is in Gitlab and Centos group
group_gitlab = inventory.inventory.groups['Gitlab']
group_centos = inventory.inventory.groups['Centos']
assert group_gitlab.hosts == [host_gitlab]
assert group_centos.hosts == [host_gitlab]
# check IPv4 address
assert '172.22.4.187' == host_sam.get_vars()['v4_first_ip']
# check IPv6 address
assert '2000:a001::b9ff:feae:aa0d' == host_zabbix.get_vars()['v6_first_ip']
# check ansible_hosts
assert '172.22.4.187' == host_sam.get_vars()['ansible_host']
assert '185.165.1.1' == host_zabbix.get_vars()['ansible_host']
assert '185.165.1.3' == host_gitlab.get_vars()['ansible_host']
# check for custom ssh port
assert '8822' == host_gitlab.get_vars()['ansible_port']