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community.general/plugins/modules/linode.py
patchback[bot] af08ea33b1
[PR #8814/ecc048bc backport][stable-9] Use dict comprehension in plugins (#8819) 
Use dict comprehension in plugins (#8814)

* use dict comprehension in plugins

* Apply suggestions from code review

* add changelog frag

* fix references in changelog frag

(cherry picked from commit ecc048bc12)

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
2024-09-01 20:55:02 +02:00

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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright Ansible Project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = '''
---
module: linode
short_description: Manage instances on the Linode Public Cloud
description:
- Manage Linode Public Cloud instances and optionally wait for it to be 'running'.
extends_documentation_fragment:
- community.general.attributes
attributes:
check_mode:
support: none
diff_mode:
support: none
options:
state:
description:
- Indicate desired state of the resource
choices: [ absent, active, deleted, present, restarted, started, stopped ]
default: present
type: str
api_key:
description:
- Linode API key.
- E(LINODE_API_KEY) environment variable can be used instead.
type: str
required: true
name:
description:
- Name to give the instance (alphanumeric, dashes, underscore).
- To keep sanity on the Linode Web Console, name is prepended with C(LinodeID-).
required: true
type: str
displaygroup:
description:
- Add the instance to a Display Group in Linode Manager.
type: str
default: ''
linode_id:
description:
- Unique ID of a linode server. This value is read-only in the sense that
if you specify it on creation of a Linode it will not be used. The
Linode API generates these IDs and we can those generated value here to
reference a Linode more specifically. This is useful for idempotence.
aliases: [ lid ]
type: int
additional_disks:
description:
- List of dictionaries for creating additional disks that are added to the Linode configuration settings.
- Dictionary takes Size, Label, Type. Size is in MB.
type: list
elements: dict
alert_bwin_enabled:
description:
- Set status of bandwidth in alerts.
type: bool
alert_bwin_threshold:
description:
- Set threshold in MB of bandwidth in alerts.
type: int
alert_bwout_enabled:
description:
- Set status of bandwidth out alerts.
type: bool
alert_bwout_threshold:
description:
- Set threshold in MB of bandwidth out alerts.
type: int
alert_bwquota_enabled:
description:
- Set status of bandwidth quota alerts as percentage of network transfer quota.
type: bool
alert_bwquota_threshold:
description:
- Set threshold in MB of bandwidth quota alerts.
type: int
alert_cpu_enabled:
description:
- Set status of receiving CPU usage alerts.
type: bool
alert_cpu_threshold:
description:
- Set percentage threshold for receiving CPU usage alerts. Each CPU core adds 100% to total.
type: int
alert_diskio_enabled:
description:
- Set status of receiving disk IO alerts.
type: bool
alert_diskio_threshold:
description:
- Set threshold for average IO ops/sec over 2 hour period.
type: int
backupweeklyday:
description:
- Day of the week to take backups.
type: int
backupwindow:
description:
- The time window in which backups will be taken.
type: int
plan:
description:
- plan to use for the instance (Linode plan)
type: int
payment_term:
description:
- payment term to use for the instance (payment term in months)
default: 1
choices: [ 1, 12, 24 ]
type: int
password:
description:
- root password to apply to a new server (auto generated if missing)
type: str
private_ip:
description:
- Add private IPv4 address when Linode is created.
- Default is V(false).
type: bool
ssh_pub_key:
description:
- SSH public key applied to root user
type: str
swap:
description:
- swap size in MB
default: 512
type: int
distribution:
description:
- distribution to use for the instance (Linode Distribution)
type: int
datacenter:
description:
- datacenter to create an instance in (Linode Datacenter)
type: int
kernel_id:
description:
- kernel to use for the instance (Linode Kernel)
type: int
wait:
description:
- wait for the instance to be in state V(running) before returning
type: bool
default: true
wait_timeout:
description:
- how long before wait gives up, in seconds
default: 300
type: int
watchdog:
description:
- Set status of Lassie watchdog.
type: bool
default: true
requirements:
- linode-python
author:
- Vincent Viallet (@zbal)
notes:
- Please note, linode-python does not have python 3 support.
- This module uses the now deprecated v3 of the Linode API.
- Please review U(https://www.linode.com/api/linode) for determining the required parameters.
'''
EXAMPLES = '''
- name: Create a new Linode
community.general.linode:
name: linode-test1
plan: 1
datacenter: 7
distribution: 129
state: present
register: linode_creation
- name: Create a server with a private IP Address
community.general.linode:
module: linode
api_key: 'longStringFromLinodeApi'
name: linode-test1
plan: 1
datacenter: 2
distribution: 99
password: 'superSecureRootPassword'
private_ip: true
ssh_pub_key: 'ssh-rsa qwerty'
swap: 768
wait: true
wait_timeout: 600
state: present
delegate_to: localhost
register: linode_creation
- name: Fully configure new server
community.general.linode:
api_key: 'longStringFromLinodeApi'
name: linode-test1
plan: 4
datacenter: 2
distribution: 99
kernel_id: 138
password: 'superSecureRootPassword'
private_ip: true
ssh_pub_key: 'ssh-rsa qwerty'
swap: 768
wait: true
wait_timeout: 600
state: present
alert_bwquota_enabled: true
alert_bwquota_threshold: 80
alert_bwin_enabled: true
alert_bwin_threshold: 10
alert_cpu_enabled: true
alert_cpu_threshold: 210
alert_bwout_enabled: true
alert_bwout_threshold: 10
alert_diskio_enabled: true
alert_diskio_threshold: 10000
backupweeklyday: 1
backupwindow: 2
displaygroup: 'test'
additional_disks:
- {Label: 'disk1', Size: 2500, Type: 'raw'}
- {Label: 'newdisk', Size: 2000}
watchdog: true
delegate_to: localhost
register: linode_creation
- name: Ensure a running server (create if missing)
community.general.linode:
api_key: 'longStringFromLinodeApi'
name: linode-test1
plan: 1
datacenter: 2
distribution: 99
password: 'superSecureRootPassword'
ssh_pub_key: 'ssh-rsa qwerty'
swap: 768
wait: true
wait_timeout: 600
state: present
delegate_to: localhost
register: linode_creation
- name: Delete a server
community.general.linode:
api_key: 'longStringFromLinodeApi'
name: linode-test1
linode_id: "{{ linode_creation.instance.id }}"
state: absent
delegate_to: localhost
- name: Stop a server
community.general.linode:
api_key: 'longStringFromLinodeApi'
name: linode-test1
linode_id: "{{ linode_creation.instance.id }}"
state: stopped
delegate_to: localhost
- name: Reboot a server
community.general.linode:
api_key: 'longStringFromLinodeApi'
name: linode-test1
linode_id: "{{ linode_creation.instance.id }}"
state: restarted
delegate_to: localhost
'''
import time
import traceback
LINODE_IMP_ERR = None
try:
from linode import api as linode_api
HAS_LINODE = True
except ImportError:
LINODE_IMP_ERR = traceback.format_exc()
HAS_LINODE = False
from ansible.module_utils.basic import AnsibleModule, missing_required_lib, env_fallback
def randompass():
'''
Generate a long random password that comply to Linode requirements
'''
# Linode API currently requires the following:
# It must contain at least two of these four character classes:
# lower case letters - upper case letters - numbers - punctuation
# we play it safe :)
import random
import string
# as of python 2.4, this reseeds the PRNG from urandom
random.seed()
lower = ''.join(random.choice(string.ascii_lowercase) for x in range(6))
upper = ''.join(random.choice(string.ascii_uppercase) for x in range(6))
number = ''.join(random.choice(string.digits) for x in range(6))
punct = ''.join(random.choice(string.punctuation) for x in range(6))
p = lower + upper + number + punct
return ''.join(random.sample(p, len(p)))
def getInstanceDetails(api, server):
'''
Return the details of an instance, populating IPs, etc.
'''
instance = {'id': server['LINODEID'],
'name': server['LABEL'],
'public': [],
'private': []}
# Populate with ips
for ip in api.linode_ip_list(LinodeId=server['LINODEID']):
if ip['ISPUBLIC'] and 'ipv4' not in instance:
instance['ipv4'] = ip['IPADDRESS']
instance['fqdn'] = ip['RDNS_NAME']
if ip['ISPUBLIC']:
instance['public'].append({'ipv4': ip['IPADDRESS'],
'fqdn': ip['RDNS_NAME'],
'ip_id': ip['IPADDRESSID']})
else:
instance['private'].append({'ipv4': ip['IPADDRESS'],
'fqdn': ip['RDNS_NAME'],
'ip_id': ip['IPADDRESSID']})
return instance
def linodeServers(module, api, state, name,
displaygroup, plan, additional_disks, distribution,
datacenter, kernel_id, linode_id, payment_term, password,
private_ip, ssh_pub_key, swap, wait, wait_timeout, watchdog, **kwargs):
instances = []
changed = False
new_server = False
servers = []
disks = []
configs = []
jobs = []
# See if we can match an existing server details with the provided linode_id
if linode_id:
# For the moment we only consider linode_id as criteria for match
# Later we can use more (size, name, etc.) and update existing
servers = api.linode_list(LinodeId=linode_id)
# Attempt to fetch details about disks and configs only if servers are
# found with linode_id
if servers:
disks = api.linode_disk_list(LinodeId=linode_id)
configs = api.linode_config_list(LinodeId=linode_id)
# Act on the state
if state in ('active', 'present', 'started'):
# TODO: validate all the plan / distribution / datacenter are valid
# Multi step process/validation:
# - need linode_id (entity)
# - need disk_id for linode_id - create disk from distrib
# - need config_id for linode_id - create config (need kernel)
# Any create step triggers a job that need to be waited for.
if not servers:
for arg in (name, plan, distribution, datacenter):
if not arg:
module.fail_json(msg='%s is required for %s state' % (arg, state))
# Create linode entity
new_server = True
# Get size of all individually listed disks to subtract from Distribution disk
used_disk_space = 0 if additional_disks is None else sum(disk['Size'] for disk in additional_disks)
try:
res = api.linode_create(DatacenterID=datacenter, PlanID=plan,
PaymentTerm=payment_term)
linode_id = res['LinodeID']
# Update linode Label to match name
api.linode_update(LinodeId=linode_id, Label='%s-%s' % (linode_id, name))
# Update Linode with Ansible configuration options
api.linode_update(LinodeId=linode_id, LPM_DISPLAYGROUP=displaygroup, WATCHDOG=watchdog, **kwargs)
# Save server
servers = api.linode_list(LinodeId=linode_id)
except Exception as e:
module.fail_json(msg='%s' % e.value[0]['ERRORMESSAGE'])
# Add private IP to Linode
if private_ip:
try:
res = api.linode_ip_addprivate(LinodeID=linode_id)
except Exception as e:
module.fail_json(msg='%s' % e.value[0]['ERRORMESSAGE'], exception=traceback.format_exc())
if not disks:
for arg in (name, linode_id, distribution):
if not arg:
module.fail_json(msg='%s is required for %s state' % (arg, state))
# Create disks (1 from distrib, 1 for SWAP)
new_server = True
try:
if not password:
# Password is required on creation, if not provided generate one
password = randompass()
if not swap:
swap = 512
# Create data disk
size = servers[0]['TOTALHD'] - used_disk_space - swap
if ssh_pub_key:
res = api.linode_disk_createfromdistribution(
LinodeId=linode_id, DistributionID=distribution,
rootPass=password, rootSSHKey=ssh_pub_key,
Label='%s data disk (lid: %s)' % (name, linode_id),
Size=size)
else:
res = api.linode_disk_createfromdistribution(
LinodeId=linode_id, DistributionID=distribution,
rootPass=password,
Label='%s data disk (lid: %s)' % (name, linode_id),
Size=size)
jobs.append(res['JobID'])
# Create SWAP disk
res = api.linode_disk_create(LinodeId=linode_id, Type='swap',
Label='%s swap disk (lid: %s)' % (name, linode_id),
Size=swap)
# Create individually listed disks at specified size
if additional_disks:
for disk in additional_disks:
# If a disk Type is not passed in, default to ext4
if disk.get('Type') is None:
disk['Type'] = 'ext4'
res = api.linode_disk_create(LinodeID=linode_id, Label=disk['Label'], Size=disk['Size'], Type=disk['Type'])
jobs.append(res['JobID'])
except Exception as e:
# TODO: destroy linode ?
module.fail_json(msg='%s' % e.value[0]['ERRORMESSAGE'], exception=traceback.format_exc())
if not configs:
for arg in (name, linode_id, distribution):
if not arg:
module.fail_json(msg='%s is required for %s state' % (arg, state))
# Check architecture
for distrib in api.avail_distributions():
if distrib['DISTRIBUTIONID'] != distribution:
continue
arch = '32'
if distrib['IS64BIT']:
arch = '64'
break
# Get latest kernel matching arch if kernel_id is not specified
if not kernel_id:
for kernel in api.avail_kernels():
if not kernel['LABEL'].startswith('Latest %s' % arch):
continue
kernel_id = kernel['KERNELID']
break
# Get disk list
disks_id = []
for disk in api.linode_disk_list(LinodeId=linode_id):
if disk['TYPE'] == 'ext3':
disks_id.insert(0, str(disk['DISKID']))
continue
disks_id.append(str(disk['DISKID']))
# Trick to get the 9 items in the list
while len(disks_id) < 9:
disks_id.append('')
disks_list = ','.join(disks_id)
# Create config
new_server = True
try:
api.linode_config_create(LinodeId=linode_id, KernelId=kernel_id,
Disklist=disks_list, Label='%s config' % name)
configs = api.linode_config_list(LinodeId=linode_id)
except Exception as e:
module.fail_json(msg='%s' % e.value[0]['ERRORMESSAGE'], exception=traceback.format_exc())
# Start / Ensure servers are running
for server in servers:
# Refresh server state
server = api.linode_list(LinodeId=server['LINODEID'])[0]
# Ensure existing servers are up and running, boot if necessary
if server['STATUS'] != 1:
res = api.linode_boot(LinodeId=linode_id)
jobs.append(res['JobID'])
changed = True
# wait here until the instances are up
wait_timeout = time.time() + wait_timeout
while wait and wait_timeout > time.time():
# refresh the server details
server = api.linode_list(LinodeId=server['LINODEID'])[0]
# status:
# -2: Boot failed
# 1: Running
if server['STATUS'] in (-2, 1):
break
time.sleep(5)
if wait and wait_timeout <= time.time():
# waiting took too long
module.fail_json(msg='Timeout waiting on %s (lid: %s)' % (server['LABEL'], server['LINODEID']))
# Get a fresh copy of the server details
server = api.linode_list(LinodeId=server['LINODEID'])[0]
if server['STATUS'] == -2:
module.fail_json(msg='%s (lid: %s) failed to boot' %
(server['LABEL'], server['LINODEID']))
# From now on we know the task is a success
# Build instance report
instance = getInstanceDetails(api, server)
# depending on wait flag select the status
if wait:
instance['status'] = 'Running'
else:
instance['status'] = 'Starting'
# Return the root password if this is a new box and no SSH key
# has been provided
if new_server and not ssh_pub_key:
instance['password'] = password
instances.append(instance)
elif state in ('stopped',):
if not servers:
module.fail_json(msg='Server (lid: %s) not found' % (linode_id))
for server in servers:
instance = getInstanceDetails(api, server)
if server['STATUS'] != 2:
try:
res = api.linode_shutdown(LinodeId=linode_id)
except Exception as e:
module.fail_json(msg='%s' % e.value[0]['ERRORMESSAGE'], exception=traceback.format_exc())
instance['status'] = 'Stopping'
changed = True
else:
instance['status'] = 'Stopped'
instances.append(instance)
elif state in ('restarted',):
if not servers:
module.fail_json(msg='Server (lid: %s) not found' % (linode_id))
for server in servers:
instance = getInstanceDetails(api, server)
try:
res = api.linode_reboot(LinodeId=server['LINODEID'])
except Exception as e:
module.fail_json(msg='%s' % e.value[0]['ERRORMESSAGE'], exception=traceback.format_exc())
instance['status'] = 'Restarting'
changed = True
instances.append(instance)
elif state in ('absent', 'deleted'):
for server in servers:
instance = getInstanceDetails(api, server)
try:
api.linode_delete(LinodeId=server['LINODEID'], skipChecks=True)
except Exception as e:
module.fail_json(msg='%s' % e.value[0]['ERRORMESSAGE'], exception=traceback.format_exc())
instance['status'] = 'Deleting'
changed = True
instances.append(instance)
# Ease parsing if only 1 instance
if len(instances) == 1:
module.exit_json(changed=changed, instance=instances[0])
module.exit_json(changed=changed, instances=instances)
def main():
module = AnsibleModule(
argument_spec=dict(
state=dict(type='str', default='present',
choices=['absent', 'active', 'deleted', 'present', 'restarted', 'started', 'stopped']),
api_key=dict(type='str', no_log=True, required=True, fallback=(env_fallback, ['LINODE_API_KEY'])),
name=dict(type='str', required=True),
alert_bwin_enabled=dict(type='bool'),
alert_bwin_threshold=dict(type='int'),
alert_bwout_enabled=dict(type='bool'),
alert_bwout_threshold=dict(type='int'),
alert_bwquota_enabled=dict(type='bool'),
alert_bwquota_threshold=dict(type='int'),
alert_cpu_enabled=dict(type='bool'),
alert_cpu_threshold=dict(type='int'),
alert_diskio_enabled=dict(type='bool'),
alert_diskio_threshold=dict(type='int'),
backupweeklyday=dict(type='int'),
backupwindow=dict(type='int'),
displaygroup=dict(type='str', default=''),
plan=dict(type='int'),
additional_disks=dict(type='list', elements='dict'),
distribution=dict(type='int'),
datacenter=dict(type='int'),
kernel_id=dict(type='int'),
linode_id=dict(type='int', aliases=['lid']),
payment_term=dict(type='int', default=1, choices=[1, 12, 24]),
password=dict(type='str', no_log=True),
private_ip=dict(type='bool'),
ssh_pub_key=dict(type='str'),
swap=dict(type='int', default=512),
wait=dict(type='bool', default=True),
wait_timeout=dict(type='int', default=300),
watchdog=dict(type='bool', default=True),
),
required_if=[
('state', 'restarted', ['linode_id']),
('state', 'stopped', ['linode_id']),
]
)
if not HAS_LINODE:
module.fail_json(msg=missing_required_lib('linode-python'), exception=LINODE_IMP_ERR)
state = module.params.get('state')
api_key = module.params.get('api_key')
name = module.params.get('name')
alert_bwin_enabled = module.params.get('alert_bwin_enabled')
alert_bwin_threshold = module.params.get('alert_bwin_threshold')
alert_bwout_enabled = module.params.get('alert_bwout_enabled')
alert_bwout_threshold = module.params.get('alert_bwout_threshold')
alert_bwquota_enabled = module.params.get('alert_bwquota_enabled')
alert_bwquota_threshold = module.params.get('alert_bwquota_threshold')
alert_cpu_enabled = module.params.get('alert_cpu_enabled')
alert_cpu_threshold = module.params.get('alert_cpu_threshold')
alert_diskio_enabled = module.params.get('alert_diskio_enabled')
alert_diskio_threshold = module.params.get('alert_diskio_threshold')
backupweeklyday = module.params.get('backupweeklyday')
backupwindow = module.params.get('backupwindow')
displaygroup = module.params.get('displaygroup')
plan = module.params.get('plan')
additional_disks = module.params.get('additional_disks')
distribution = module.params.get('distribution')
datacenter = module.params.get('datacenter')
kernel_id = module.params.get('kernel_id')
linode_id = module.params.get('linode_id')
payment_term = module.params.get('payment_term')
password = module.params.get('password')
private_ip = module.params.get('private_ip')
ssh_pub_key = module.params.get('ssh_pub_key')
swap = module.params.get('swap')
wait = module.params.get('wait')
wait_timeout = module.params.get('wait_timeout')
watchdog = int(module.params.get('watchdog'))
check_items = dict(
alert_bwin_enabled=alert_bwin_enabled,
alert_bwin_threshold=alert_bwin_threshold,
alert_bwout_enabled=alert_bwout_enabled,
alert_bwout_threshold=alert_bwout_threshold,
alert_bwquota_enabled=alert_bwquota_enabled,
alert_bwquota_threshold=alert_bwquota_threshold,
alert_cpu_enabled=alert_cpu_enabled,
alert_cpu_threshold=alert_cpu_threshold,
alert_diskio_enabled=alert_diskio_enabled,
alert_diskio_threshold=alert_diskio_threshold,
backupweeklyday=backupweeklyday,
backupwindow=backupwindow,
)
kwargs = {k: v for k, v in check_items.items() if v is not None}
# setup the auth
try:
api = linode_api.Api(api_key)
api.test_echo()
except Exception as e:
module.fail_json(msg='%s' % e.value[0]['ERRORMESSAGE'], exception=traceback.format_exc())
linodeServers(module, api, state, name,
displaygroup, plan,
additional_disks, distribution, datacenter, kernel_id, linode_id,
payment_term, password, private_ip, ssh_pub_key, swap, wait,
wait_timeout, watchdog, **kwargs)
if __name__ == '__main__':
main()
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