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#!/usr/bin/python
# (c) 2016, Flavio Percoco <flavio@redhat.com>
#
# This module is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this software. If not, see <http://www.gnu.org/licenses/>.
ANSIBLE_METADATA = {'metadata_version': '1.0',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: helm
short_description: Manages Kubernetes packages with the Helm package manager
version_added: "2.4"
author: "Flavio Percoco (flaper87)"
description:
- Install, upgrade, delete and list packages with the Helm package manage
requirements:
- "pyhelm"
- "grpcio"
options:
host:
description:
- Tiller's server host
required: false
default: "localhost"
port:
description:
- Tiller's server port
required: false
default: 44134
namespace:
description:
- Kubernetes namespace where the chart should be installed
required: false
default: "default"
name:
description:
- Release name to manage
required: false
default: null
state:
description:
- Whether to install C(present), remove C(absent), or purge C(purged) a package.
required: false
choices: ['absent', 'purged', 'present']
default: "installed"
chart:
description: |
A map describing the chart to install. For example:
chart:
name: memcached
version: 0.4.0
source:
type: repo
location: https://kubernetes-charts.storage.googleapis.com
required: false
default: {}
values:
description:
- A map of value options for the chart.
required: false
default: {}
disable_hooks:
description:
- Whether to disable hooks during the uninstall process
required: false
default: false
'''
RETURN = ''' # '''
EXAMPLES = '''
- name: Install helm chart
helm:
host: localhost
chart:
name: memcached
version: 0.4.0
source:
type: repo
location: https://kubernetes-charts.storage.googleapis.com
state: installed
name: my-memcached
namespace: default
- name: Uninstall helm chart
helm:
host: localhost
state: absent
name: my-memcached
'''
import os
try:
import grpc
from pyhelm import tiller
from pyhelm import chartbuilder
HAS_PYHELM = True
except ImportError as exc:
HAS_PYHELM = False
from ansible.module_utils.basic import AnsibleModule
def install(module, tserver):
changed = False
params = module.params
name = params['name']
values = params['values']
chart = module.params['chart']
namespace = module.params['namespace']
chartb = chartbuilder.ChartBuilder(chart)
try:
result = tserver.install_release(chartb.get_helm_chart(), namespace,
dry_run=False, name=name,
values=values)
changed = True
except grpc._channel._Rendezvous as exc:
if "already exists" not in str(exc):
raise exc
return dict(changed=changed)
def delete(module, tserver, purge=False):
changed = False
params = module.params
if not module.params['name']:
module.fail_json(msg='Missing required field name')
name = module.params['name']
disable_hooks = params['disable_hooks']
try:
result = tserver.uninstall_release(name, disable_hooks, purge)
changed = True
except grpc._channel._Rendezvous as exc:
if 'not found' not in str(exc):
raise exc
return dict(changed=changed)
def main():
"""The main function."""
module = AnsibleModule(
argument_spec=dict(
host=dict(type='str', default='localhost'),
port=dict(type='int', default=44134),
name=dict(type='str', default=''),
chart=dict(type='dict'),
state=dict(
choices=['absent', 'purged', 'present'],
default='present'
),
# Install options
values=dict(type='dict'),
namespace=dict(type='str', default='default'),
# Uninstall options
disable_hooks=dict(type='bool', default=False),
),
supports_check_mode=True)
if not HAS_PYHELM:
module.fail_json(msg="Could not import the pyhelm python module. "
"Please install `pyhelm` package.")
host = module.params['host']
port = module.params['port']
state = module.params['state']
tserver = tiller.Tiller(host, port)
if state == 'present':
rst = install(module, tserver)
if state in 'absent':
rst = delete(module, tserver)
if state in 'purged':
rst = delete(module, tserver, True)
module.exit_json(**rst)
if __name__ == '__main__':
main()
|
