ansible/npm

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2013-04-01 05:35:39 +02:00
#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2013, Chris Hoffman <christopher.hoffman@gmail.com>
#
# This file is part of Ansible
#
# Ansible 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.
#
# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
module: npm
short_description: Manage node.js packages with npm
description:
- Manage node.js packages with Node Package Manager (npm)
version_added: 1.1
author: Chris Hoffman
options:
name:
description:
- The name of a node.js library to install
requires: false
default: null
path:
description:
- The base path where to install the node.js libraries
required: false
default: null
version:
description:
- The version to be installed
required: false
default: null
global:
descrition:
- Install the node.js library globally
required: false
default: no
choices: [ "yes", "no" ]
executable:
description:
- The executable location for npm.
- This is useful if you are using a version manager, such as nvm
required: false
default: nvm
production:
description:
- Install dependencies in production mode, excluding devDependencies
required: false
default: no
state:
description:
- The state of the node.js library
required: false
default: present
choices: [ "present", "absent", "latest" ]
examples:
- code: "npm: name=coffee-script path=/app/location"
description: Install I(coffee-script) node.js package.
- code: "npm: name=coffee-script version=1.6.1 path=/app/location"
description: Install I(coffee-script) node.js package on version 1.6.1.
- code: "npm: name=coffee-script global=yes"
description: Install I(coffee-script) node.js package globally.
- code: "npm: name=coffee-script global=yes state=absent"
description: Remove the globally package I(coffee-script).
- code: "npm: path=/app/location"
description: Install packages based on package.json.
- code: "npm: path=/app/location state=latest"
description: Update packages based on package.json to their latest version.
- code: "npm: path=/app/location executable=/opt/nvm/v0.10.1/bin/npm state=present"
description: Install packages based on package.json using the npm installed with nvm v0.10.1.
'''
import os
try:
import json
except ImportError:
import simplejson as json
class Npm(object):
def __init__(self, module, name, path, version, glbl, production, executable):
self.module = module
self.glbl = glbl
self.name = name
self.version = version
self.path = path
self.production = production
if executable:
self.executable = executable
else:
self.executable = module.get_bin_path('npm', True)
if version:
self.name_version = name + '@' + version
else:
self.name_version = self.name
def _exec(self, args, run_in_check_mode=False, check_rc=True):
if not self.module.check_mode or (self.module.check_mode and run_in_check_mode):
cmd = [self.executable] + args
if self.glbl:
cmd.append('--global')
if self.production:
cmd.append('--production')
if self.name:
cmd.append(self.name_version)
#If path is specified, cd into that path and run the command.
if self.path:
os.chdir(self.path)
rc, out, err = self.module.run_command(cmd, check_rc=check_rc)
return out
return ''
def list(self):
cmd = ['list', '--json']
installed = list()
missing = list()
data = json.loads(self._exec(cmd, True, False))
if 'dependencies' in data:
for dep in data['dependencies']:
if 'missing' in data['dependencies'][dep] and data['dependencies'][dep]['missing']:
missing.append(dep)
else:
installed.append(dep)
#Named dependency not installed
else:
missing.append(self.name)
return installed, missing
def install(self):
return self._exec(['install'])
def update(self):
return self._exec(['update'])
def uninstall(self):
return self._exec(['uninstall'])
def list_outdated(self):
outdated = list()
data = self._exec(['outdated'], True, False)
for dep in data.splitlines():
if dep:
pkg, other = dep.split('@', 1)
outdated.append(pkg)
return outdated
def main():
arg_spec = dict(
name=dict(default=None),
path=dict(default=None),
version=dict(default=None),
production=dict(default='no', type='bool'),
executable=dict(default=None),
state=dict(default='present', choices=['present', 'absent', 'latest'])
)
arg_spec['global']=dict(default='no', type='bool')
module = AnsibleModule(
argument_spec=arg_spec,
supports_check_mode=True
)
name = module.params['name']
path = module.params['path']
version = module.params['version']
glbl = module.params['global']
production = module.params['production']
executable = module.params['executable']
state = module.params['state']
if not path and not glbl:
module.fail_json(msg='path must be specified when not using global')
if state == 'absent' and not name:
module.fail_json(msg='uninstalling a package is only available for named packages')
npm = Npm(module, name, path, version, glbl, production, executable)
changed = False
if state == 'present':
installed, missing = npm.list()
if len(missing):
changed = True
npm.install()
elif state == 'latest':
installed, missing = npm.list()
outdated = npm.list_outdated()
if len(missing) or len(outdated):
changed = True
npm.install()
npm.update()
else: #absent
installed, missing = npm.list()
if name in installed:
changed = True
npm.uninstall()
module.exit_json(changed=changed)
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()