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# -*- coding: utf-8 -*- |
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# |
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# Copyright (c) 2014-2015 Online SAS and Contributors. All Rights Reserved. |
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# Edouard Bonlieu <[email protected]> |
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# Julien Castets <[email protected]> |
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# Manfred Touron <[email protected]> |
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# Kevin Deldycke <[email protected]> |
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# |
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# Licensed under the BSD 2-Clause License (the "License"); you may not use this |
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# file except in compliance with the License. You may obtain a copy of the |
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# License at http://opensource.org/licenses/BSD-2-Clause |
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import logging |
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import time |
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import subprocess |
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from juju_scaleway.exceptions import TimeoutError |
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from juju_scaleway import ssh |
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logger = logging.getLogger("juju.scaleway") |
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class MachineOp(object): |
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def __init__(self, provider, env, params, **options): |
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self.provider = provider |
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self.env = env |
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self.params = params |
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self.created = time.time() |
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self.options = options |
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def run(self): |
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raise NotImplementedError() |
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class MachineAdd(MachineOp): |
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timeout = 360 |
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delay = 8 |
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def run(self): |
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server = self.provider.launch_server(self.params) |
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self.provider.wait_on(server) |
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server = self.provider.get_server(server.id) |
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self.verify_ssh(server) |
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return server |
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def verify_ssh(self, server): |
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"""Workaround for manual provisioning and ssh availability. |
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Manual provider bails immediately upon failure to connect on |
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ssh, we loop to allow the server time to start ssh. |
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""" |
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max_time = self.timeout + time.time() |
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running = False |
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while max_time > time.time(): |
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try: |
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if ssh.check_ssh(server.public_ip['address']): |
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running = True |
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break |
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except subprocess.CalledProcessError as exc: |
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if ("Connection refused" in exc.output or |
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"Connection timed out" in exc.output or |
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"Connection closed" in exc.output or |
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"Connection reset by peer" in exc.output): |
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logger.debug( |
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"Waiting for ssh on id:%s ip:%s name:%s remaining:%d", |
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server.id, server.public_ip['address'], server.name, |
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int(max_time-time.time())) |
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time.sleep(self.delay) |
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else: |
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logger.error( |
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"Could not ssh to server name: %s id: %s ip: %s\n%s", |
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server.name, server.id, server.public_ip['address'], |
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exc.output) |
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raise |
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if running is False: |
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raise TimeoutError( |
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"Could not provision id:%s name:%s ip:%s before timeout" % ( |
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server.id, server.name, server.public_ip['address'])) |
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class MachineRegister(MachineAdd): |
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def run(self): |
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server = super(MachineRegister, self).run() |
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try: |
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machine_id = self.env.add_machine( |
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"ssh:root@%s" % server.public_ip['address'], |
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key=self.options.get('key')) |
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except: |
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self.provider.terminate_server(server.id) |
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raise |
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return server, machine_id |
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class MachineDestroy(MachineOp): |
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def run(self): |
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if not self.options.get('iaas_only'): |
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self.env.terminate_machines([self.params['machine_id']]) |
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if self.options.get('env_only'): |
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return |
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logger.debug("Destroying server %s", self.params['server_id']) |
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self.provider.terminate_server(self.params['server_id']) |
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scaleway /
juju-scaleway
