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 ##############################################################################
17 from apex.virtual import virtual_utils as virt_utils
18 from apex.virtual import configure_vm as vm_lib
19 from apex.common import constants
20 from apex.common import utils
23 class ApexUndercloudException(Exception):
29 This class represents an Apex Undercloud VM
31 def __init__(self, image_path, template_path,
32 root_pw=None, external_network=False):
34 self.root_pw = root_pw
35 self.external_net = external_network
36 self.volume = os.path.join(constants.LIBVIRT_VOLUME_PATH,
38 self.image_path = image_path
39 self.template_path = template_path
41 if Undercloud._get_vm():
42 logging.error("Undercloud VM already exists. Please clean "
44 raise ApexUndercloudException("Undercloud VM already exists!")
49 conn = libvirt.open('qemu:///system')
51 vm = conn.lookupByName('undercloud')
53 except libvirt.libvirtError:
54 logging.debug("No undercloud VM exists")
59 networks.append('external')
60 self.vm = vm_lib.create_vm(name='undercloud',
62 baremetal_interfaces=networks,
63 direct_boot='overcloud-full',
64 kernel_args=['console=ttyS0',
67 template_dir=self.template_path)
72 ip_out = self.vm.interfaceAddresses(
73 libvirt.VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE, 0)
75 for (name, val) in ip_out.items():
76 for ipaddr in val['addrs']:
77 if ipaddr['type'] == libvirt.VIR_IP_ADDR_TYPE_IPV4:
78 self.ip = ipaddr['addr']
86 if self.vm.isActive():
87 logging.info("Undercloud already started")
89 logging.info("Starting undercloud")
91 # give 10 seconds to come up
96 logging.info("Undercloud started. IP Address: {}".format(
99 logging.debug("Did not find undercloud IP in {} "
100 "attempts...".format(x))
103 logging.error("Cannot find IP for Undercloud")
104 raise ApexUndercloudException(
105 "Unable to find IP for undercloud. Check if VM booted "
108 def configure(self, net_settings, playbook, apex_temp_dir):
110 Configures undercloud VM
111 :param net_setings: Network settings for deployment
112 :param playbook: playbook to use to configure undercloud
113 :param apex_temp_dir: temporary apex directory to hold configs/logs
117 logging.info("Configuring Undercloud...")
119 ansible_vars = Undercloud.generate_config(net_settings)
120 ansible_vars['apex_temp_dir'] = apex_temp_dir
122 utils.run_ansible(ansible_vars, playbook, host=self.ip,
124 except subprocess.CalledProcessError:
126 "Failed to install undercloud..."
127 "please check log: {}".format(os.path.join(
128 apex_temp_dir, 'apex-undercloud-install.log')))
129 raise ApexUndercloudException('Failed to install undercloud')
130 logging.info("Undercloud installed!")
132 def setup_volumes(self):
133 for img_file in ('overcloud-full.vmlinuz', 'overcloud-full.initrd',
135 src_img = os.path.join(self.image_path, img_file)
136 dest_img = os.path.join(constants.LIBVIRT_VOLUME_PATH, img_file)
137 if not os.path.isfile(src_img):
138 raise ApexUndercloudException(
139 "Required source file does not exist:{}".format(src_img))
140 if os.path.exists(dest_img):
142 shutil.copyfile(src_img, dest_img)
144 # TODO(trozet):check if resize needed right now size is 50gb
145 # there is a lib called vminspect which has some dependencies and is
146 # not yet available in pip. Consider switching to this lib later.
147 # execute ansible playbook
149 def inject_auth(self):
151 # virt-customize keys/pws
153 pw_op = "password:{}".format(self.root_pw)
154 virt_ops.append({constants.VIRT_PW: pw_op})
156 virt_ops.append({constants.VIRT_RUN_CMD:
157 'mkdir -p /root/.ssh'})
158 virt_ops.append({constants.VIRT_UPLOAD:
159 '/root/.ssh/id_rsa.pub:/root/.ssh/authorized_keys'})
161 'chmod 600 /root/.ssh/authorized_keys',
162 'restorecon /root/.ssh/authorized_keys',
163 'cp /root/.ssh/authorized_keys /home/stack/.ssh/',
164 'chown stack:stack /home/stack/.ssh/authorized_keys',
165 'chmod 600 /home/stack/.ssh/authorized_keys'
168 virt_ops.append({constants.VIRT_RUN_CMD: cmd})
169 virt_utils.virt_customize(virt_ops, self.volume)
172 def generate_config(ns):
174 Generates a dictionary of settings for configuring undercloud
175 :param ns: network settings to derive undercloud settings
176 :return: dictionary of settings
179 ns_admin = ns['networks']['admin']
180 intro_range = ns['apex']['networks']['admin']['introspection_range']
182 config['undercloud_config'] = [
184 "undercloud_update_packages false",
185 "undercloud_debug false",
186 "undercloud_hostname undercloud.{}".format(ns['dns-domain']),
187 "local_ip {}/{}".format(str(ns_admin['installer_vm']['ip']),
188 str(ns_admin['cidr']).split('/')[1]),
189 "network_gateway {}".format(str(ns_admin['installer_vm']['ip'])),
190 "network_cidr {}".format(str(ns_admin['cidr'])),
191 "dhcp_start {}".format(str(ns_admin['dhcp_range'][0])),
192 "dhcp_end {}".format(str(ns_admin['dhcp_range'][1])),
193 "inspection_iprange {}".format(','.join(intro_range))
196 config['ironic_config'] = [
197 "disk_utils iscsi_verify_attempts 30",
198 "disk_partitioner check_device_max_retries 40"
201 config['nova_config'] = [
202 "dns_domain {}".format(ns['dns-domain']),
203 "dhcp_domain {}".format(ns['dns-domain'])
206 config['neutron_config'] = [
207 "dns_domain {}".format(ns['dns-domain']),
209 # FIXME(trozet): possible bug here with not using external network
210 ns_external = ns['networks']['external'][0]
211 config['external_network'] = {
212 "vlan": ns_external['installer_vm']['vlan'],
213 "ip": ns_external['installer_vm']['ip'],
214 "prefix": str(ns_external['cidr']).split('/')[1],
215 "enabled": ns_external['enabled']
218 # FIXME (trozet): for now hardcoding aarch64 to false
219 config['aarch64'] = False