94 lines
3.5 KiB
Python
94 lines
3.5 KiB
Python
# Copyright (c) 2006,2007,2008 Mitch Garnaat http://garnaat.org/
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish, dis-
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# tribute, sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to the fol-
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# lowing conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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#
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import boto.pyami.installers
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import os
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import os.path
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import stat
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import boto
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import random
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from pwd import getpwnam
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class Installer(boto.pyami.installers.Installer):
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"""
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Base Installer class for Ubuntu-based AMI's
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"""
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def add_cron(self, name, command, minute="*", hour="*", mday="*", month="*", wday="*", who="root", env=None):
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"""
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Write a file to /etc/cron.d to schedule a command
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env is a dict containing environment variables you want to set in the file
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name will be used as the name of the file
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"""
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if minute == 'random':
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minute = str(random.randrange(60))
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if hour == 'random':
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hour = str(random.randrange(24))
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fp = open('/etc/cron.d/%s' % name, "w")
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if env:
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for key, value in env.items():
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fp.write('%s=%s\n' % (key, value))
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fp.write('%s %s %s %s %s %s %s\n' % (minute, hour, mday, month, wday, who, command))
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fp.close()
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def add_init_script(self, file, name):
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"""
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Add this file to the init.d directory
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"""
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f_path = os.path.join("/etc/init.d", name)
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f = open(f_path, "w")
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f.write(file)
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f.close()
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os.chmod(f_path, stat.S_IREAD | stat.S_IWRITE | stat.S_IEXEC)
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self.run("/usr/sbin/update-rc.d %s defaults" % name)
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def add_env(self, key, value):
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"""
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Add an environemnt variable
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For Ubuntu, the best place is /etc/environment. Values placed here do
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not need to be exported.
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"""
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boto.log.info('Adding env variable: %s=%s' % (key, value))
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if not os.path.exists("/etc/environment.orig"):
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self.run('cp /etc/environment /etc/environment.orig', notify=False, exit_on_error=False)
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fp = open('/etc/environment', 'a')
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fp.write('\n%s="%s"' % (key, value))
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fp.close()
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os.environ[key] = value
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def stop(self, service_name):
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self.run('/etc/init.d/%s stop' % service_name)
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def start(self, service_name):
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self.run('/etc/init.d/%s start' % service_name)
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def create_user(self, user):
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"""
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Create a user on the local system
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"""
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self.run("useradd -m %s" % user)
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usr = getpwnam(user)
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return usr
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def install(self):
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"""
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This is the only method you need to override
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"""
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raise NotImplementedError
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