1 ##############################################################################
2 # Copyright (c) 2017 Tim Rozet (trozet@redhat.com) and others.
4 # All rights reserved. This program and the accompanying materials
5 # are made available under the terms of the Apache License, Version 2.0
6 # which accompanies this distribution, and is available at
7 # http://www.apache.org/licenses/LICENSE-2.0
8 ##############################################################################
18 from apex.virtual import utils as virt_utils
19 from apex.virtual import configure_vm as vm_lib
20 from apex.common import constants
21 from apex.common import utils
24 class ApexUndercloudException(Exception):
30 This class represents an Apex Undercloud VM
32 def __init__(self, image_path, template_path,
33 root_pw=None, external_network=False,
34 image_name='undercloud.qcow2'):
36 self.root_pw = root_pw
37 self.external_net = external_network
38 self.volume = os.path.join(constants.LIBVIRT_VOLUME_PATH,
40 self.image_path = image_path
41 self.image_name = image_name
42 self.template_path = template_path
44 if Undercloud._get_vm():
45 logging.error("Undercloud VM already exists. Please clean "
47 raise ApexUndercloudException("Undercloud VM already exists!")
52 conn = libvirt.open('qemu:///system')
54 vm = conn.lookupByName('undercloud')
56 except libvirt.libvirtError:
57 logging.debug("No undercloud VM exists")
62 networks.append('external')
63 console = 'ttyAMA0' if platform.machine() == 'aarch64' else 'ttyS0'
64 root = 'vda' if platform.machine() == 'aarch64' else 'sda'
66 self.vm = vm_lib.create_vm(name='undercloud',
68 baremetal_interfaces=networks,
69 direct_boot='overcloud-full',
70 kernel_args=['console={}'.format(console),
71 'root=/dev/{}'.format(root)],
73 template_dir=self.template_path)
78 ip_out = self.vm.interfaceAddresses(
79 libvirt.VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE, 0)
81 for (name, val) in ip_out.items():
82 for ipaddr in val['addrs']:
83 if ipaddr['type'] == libvirt.VIR_IP_ADDR_TYPE_IPV4:
84 self.ip = ipaddr['addr']
92 if self.vm.isActive():
93 logging.info("Undercloud already started")
95 logging.info("Starting undercloud")
97 # give 10 seconds to come up
102 logging.info("Undercloud started. IP Address: {}".format(
105 logging.debug("Did not find undercloud IP in {} "
106 "attempts...".format(x))
109 logging.error("Cannot find IP for Undercloud")
110 raise ApexUndercloudException(
111 "Unable to find IP for undercloud. Check if VM booted "
114 def configure(self, net_settings, playbook, apex_temp_dir):
116 Configures undercloud VM
117 :param net_setings: Network settings for deployment
118 :param playbook: playbook to use to configure undercloud
119 :param apex_temp_dir: temporary apex directory to hold configs/logs
123 logging.info("Configuring Undercloud...")
125 ansible_vars = Undercloud.generate_config(net_settings)
126 ansible_vars['apex_temp_dir'] = apex_temp_dir
128 utils.run_ansible(ansible_vars, playbook, host=self.ip,
130 except subprocess.CalledProcessError:
132 "Failed to install undercloud..."
133 "please check log: {}".format(os.path.join(
134 apex_temp_dir, 'apex-undercloud-install.log')))
135 raise ApexUndercloudException('Failed to install undercloud')
136 logging.info("Undercloud installed!")
138 def setup_volumes(self):
139 for img_file in ('overcloud-full.vmlinuz', 'overcloud-full.initrd',
141 src_img = os.path.join(self.image_path, img_file)
142 if img_file == self.image_name:
143 dest_img = os.path.join(constants.LIBVIRT_VOLUME_PATH,
146 dest_img = os.path.join(constants.LIBVIRT_VOLUME_PATH,
148 if not os.path.isfile(src_img):
149 raise ApexUndercloudException(
150 "Required source file does not exist:{}".format(src_img))
151 if os.path.exists(dest_img):
153 shutil.copyfile(src_img, dest_img)
154 shutil.chown(dest_img, user='qemu', group='qemu')
155 os.chmod(dest_img, 0o0744)
156 # TODO(trozet):check if resize needed right now size is 50gb
157 # there is a lib called vminspect which has some dependencies and is
158 # not yet available in pip. Consider switching to this lib later.
160 def inject_auth(self):
162 # virt-customize keys/pws
164 pw_op = "password:{}".format(self.root_pw)
165 virt_ops.append({constants.VIRT_PW: pw_op})
167 virt_ops.append({constants.VIRT_RUN_CMD:
168 'mkdir -p /root/.ssh'})
169 virt_ops.append({constants.VIRT_UPLOAD:
170 '/root/.ssh/id_rsa.pub:/root/.ssh/authorized_keys'})
172 'chmod 600 /root/.ssh/authorized_keys',
173 'restorecon /root/.ssh/authorized_keys',
174 'cp /root/.ssh/authorized_keys /home/stack/.ssh/',
175 'chown stack:stack /home/stack/.ssh/authorized_keys',
176 'chmod 600 /home/stack/.ssh/authorized_keys'
179 virt_ops.append({constants.VIRT_RUN_CMD: cmd})
180 virt_utils.virt_customize(virt_ops, self.volume)
183 def generate_config(ns):
185 Generates a dictionary of settings for configuring undercloud
186 :param ns: network settings to derive undercloud settings
187 :return: dictionary of settings
190 ns_admin = ns['networks']['admin']
191 intro_range = ns['apex']['networks']['admin']['introspection_range']
193 config['undercloud_config'] = [
195 "undercloud_update_packages false",
196 "undercloud_debug false",
197 "inspection_extras false",
198 "undercloud_hostname undercloud.{}".format(ns['dns-domain']),
199 "local_ip {}/{}".format(str(ns_admin['installer_vm']['ip']),
200 str(ns_admin['cidr']).split('/')[1]),
201 "network_gateway {}".format(str(ns_admin['installer_vm']['ip'])),
202 "network_cidr {}".format(str(ns_admin['cidr'])),
203 "dhcp_start {}".format(str(ns_admin['dhcp_range'][0])),
204 "dhcp_end {}".format(str(ns_admin['dhcp_range'][1])),
205 "inspection_iprange {}".format(','.join(intro_range))
208 config['ironic_config'] = [
209 "disk_utils iscsi_verify_attempts 30",
210 "disk_partitioner check_device_max_retries 40"
213 config['nova_config'] = [
214 "dns_domain {}".format(ns['dns-domain']),
215 "dhcp_domain {}".format(ns['dns-domain'])
218 config['neutron_config'] = [
219 "dns_domain {}".format(ns['dns-domain']),
221 # FIXME(trozet): possible bug here with not using external network
222 ns_external = ns['networks']['external'][0]
223 config['external_network'] = {
224 "vlan": ns_external['installer_vm']['vlan'],
225 "ip": ns_external['installer_vm']['ip'],
226 "prefix": str(ns_external['cidr']).split('/')[1],
227 "enabled": ns_external['enabled']
230 # Check if this is an ARM deployment
231 config['aarch64'] = platform.machine() == 'aarch64'