234 lines
7.2 KiB
Python
234 lines
7.2 KiB
Python
#!/usr/bin/env python
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# Update the base image that is used for devstack VMs.
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# Copyright (C) 2011-2012 OpenStack LLC.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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#
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import time
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import os
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import traceback
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import socket
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import novaclient
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from novaclient.v1_1 import client as Client11
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try:
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from v1_0 import client as Client10
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except:
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pass
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import paramiko
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from sshclient import SSHClient
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def iterate_timeout(max_seconds, purpose):
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start = time.time()
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count = 0
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while (time.time() < start + max_seconds):
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count += 1
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yield count
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time.sleep(2)
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raise Exception("Timeout waiting for %s" % purpose)
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def get_client(provider):
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args = [provider.nova_username, provider.nova_api_key,
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provider.nova_project_id, provider.nova_auth_url]
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kwargs = {}
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if provider.nova_service_type:
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kwargs['service_type'] = provider.nova_service_type
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if provider.nova_service_name:
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kwargs['service_name'] = provider.nova_service_name
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if provider.nova_service_region:
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kwargs['region_name'] = provider.nova_service_region
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if provider.nova_api_version == '1.0':
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Client = Client10.Client
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elif provider.nova_api_version == '1.1':
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Client = Client11.Client
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else:
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raise Exception("API version not supported")
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if provider.nova_rax_auth:
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os.environ['NOVA_RAX_AUTH'] = '1'
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client = Client(*args, **kwargs)
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return client
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extension_cache = {}
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def get_extensions(client):
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global extension_cache
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cache = extension_cache.get(client)
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if cache:
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return cache
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try:
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resp, body = client.client.get('/extensions')
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extensions = [x['alias'] for x in body['extensions']]
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except novaclient.exceptions.NotFound:
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extensions = []
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extension_cache[client] = extensions
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return extensions
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def get_flavor(client, min_ram):
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flavors = [f for f in client.flavors.list() if f.ram >= min_ram]
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flavors.sort(lambda a, b: cmp(a.ram, b.ram))
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return flavors[0]
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def get_public_ip(server, version=4, floating_ip_pool=None):
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for addr in server.addresses.get('Ext-Net', []):
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if addr.get('version') == version: # OVH
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return addr['addr']
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if 'os-floating-ips' in get_extensions(server.manager.api):
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for addr in server.manager.api.floating_ips.list():
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if addr.instance_id == server.id:
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return addr.ip
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# We don't have one - so add one please
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new_ip = server.manager.api.floating_ips.create(pool=floating_ip_pool)
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server.add_floating_ip(new_ip)
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for addr in server.manager.api.floating_ips.list():
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if addr.instance_id == server.id:
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return addr.ip
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for addr in server.addresses.get('public', []):
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if type(addr) == type(u''): # Rackspace/openstack 1.0
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return addr
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if addr['version'] == version: # Rackspace/openstack 1.1
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return addr['addr']
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for addr in server.addresses.get('private', []):
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# HP Cloud
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if addr['version'] == version and not addr['addr'].startswith('10.'):
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return addr['addr']
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return None
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def get_href(server):
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for link in server.links:
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if link['rel'] == 'self':
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return link['href']
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def add_public_ip(server):
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ip = server.manager.api.floating_ips.create()
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server.add_floating_ip(ip)
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for count in iterate_timeout(600, "ip to be added"):
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try:
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newip = ip.manager.get(ip.id)
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except:
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print "Unable to get ip details, will retry"
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traceback.print_exc()
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time.sleep(5)
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continue
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if newip.instance_id == server.id:
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print 'ip has been added'
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return
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def add_keypair(client, name):
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key = paramiko.RSAKey.generate(2048)
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public_key = key.get_name() + ' ' + key.get_base64()
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kp = client.keypairs.create(name, public_key)
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return key, kp
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def wait_for_resource(wait_resource):
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last_progress = None
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last_status = None
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# It can take a _very_ long time for Rackspace 1.0 to save an image
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for count in iterate_timeout(21600, "waiting for %s" % wait_resource):
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try:
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resource = wait_resource.manager.get(wait_resource.id)
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except:
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print "Unable to list resources, will retry"
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traceback.print_exc()
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time.sleep(5)
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continue
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# In Rackspace v1.0, there is no progress attribute while queued
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if hasattr(resource, 'progress'):
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if (last_progress != resource.progress
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or last_status != resource.status):
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print resource.status, resource.progress
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last_progress = resource.progress
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elif last_status != resource.status:
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print resource.status
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last_status = resource.status
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if resource.status == 'ACTIVE':
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return resource
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def ssh_connect(ip, username, connect_kwargs={}, timeout=60):
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# HPcloud may return errno 111 for about 30 seconds after adding the IP
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for count in iterate_timeout(timeout, "ssh access"):
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try:
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client = SSHClient(ip, username, **connect_kwargs)
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break
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except socket.error as e:
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print "While testing ssh access:", e
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time.sleep(5)
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except paramiko.ssh_exception.AuthenticationException:
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return None
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ret, out = client.ssh("echo access okay")
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if "access okay" in out:
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return client
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return None
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def delete_server(server):
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try:
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if 'os-floating-ips' in get_extensions(server.manager.api):
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for addr in server.manager.api.floating_ips.list():
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if addr.instance_id == server.id:
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server.remove_floating_ip(addr)
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addr.delete()
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except:
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print "Unable to remove floating IP"
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traceback.print_exc()
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try:
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if 'os-keypairs' in get_extensions(server.manager.api):
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for kp in server.manager.api.keypairs.list():
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if kp.name == server.key_name:
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kp.delete()
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except:
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print "Unable to delete keypair"
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traceback.print_exc()
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print "Deleting server", server.id
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server.delete()
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def interpret_puppet_exitcodes(rc, output):
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if rc == 0:
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# success
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return
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elif rc == 1:
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# rc==1 could be because it's disabled
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# rc==1 could also mean there was a compilation failure
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disabled = "administratively disabled" in output
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if disabled:
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msg = "puppet is disabled"
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else:
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msg = "puppet did not run"
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raise Exception(msg)
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elif rc == 2:
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# success with changes
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return
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elif rc == 124:
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# timeout
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raise Exception("Puppet timed out")
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