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 virtual_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):
35 self.root_pw = root_pw
36 self.external_net = external_network
37 self.volume = os.path.join(constants.LIBVIRT_VOLUME_PATH,
39 self.image_path = image_path
40 self.template_path = template_path
42 if Undercloud._get_vm():
43 logging.error("Undercloud VM already exists. Please clean "
45 raise ApexUndercloudException("Undercloud VM already exists!")
50 conn = libvirt.open('qemu:///system')
52 vm = conn.lookupByName('undercloud')
54 except libvirt.libvirtError:
55 logging.debug("No undercloud VM exists")
60 networks.append('external')
61 console = 'ttyAMA0' if platform.machine() == 'aarch64' else 'ttyS0'
63 self.vm = vm_lib.create_vm(name='undercloud',
65 baremetal_interfaces=networks,
66 direct_boot='overcloud-full',
67 kernel_args=['console={}'.format(console),
70 template_dir=self.template_path)
75 ip_out = self.vm.interfaceAddresses(
76 libvirt.VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE, 0)
78 for (name, val) in ip_out.items():
79 for ipaddr in val['addrs']:
80 if ipaddr['type'] == libvirt.VIR_IP_ADDR_TYPE_IPV4:
81 self.ip = ipaddr['addr']
89 if self.vm.isActive():
90 logging.info("Undercloud already started")
92 logging.info("Starting undercloud")
94 # give 10 seconds to come up
99 logging.info("Undercloud started. IP Address: {}".format(
102 logging.debug("Did not find undercloud IP in {} "
103 "attempts...".format(x))
106 logging.error("Cannot find IP for Undercloud")
107 raise ApexUndercloudException(
108 "Unable to find IP for undercloud. Check if VM booted "
111 def configure(self, net_settings, playbook, apex_temp_dir):
113 Configures undercloud VM
114 :param net_setings: Network settings for deployment
115 :param playbook: playbook to use to configure undercloud
116 :param apex_temp_dir: temporary apex directory to hold configs/logs
120 logging.info("Configuring Undercloud...")
122 ansible_vars = Undercloud.generate_config(net_settings)
123 ansible_vars['apex_temp_dir'] = apex_temp_dir
125 utils.run_ansible(ansible_vars, playbook, host=self.ip,
127 except subprocess.CalledProcessError:
129 "Failed to install undercloud..."
130 "please check log: {}".format(os.path.join(
131 apex_temp_dir, 'apex-undercloud-install.log')))
132 raise ApexUndercloudException('Failed to install undercloud')
133 logging.info("Undercloud installed!")
135 def setup_volumes(self):
136 for img_file in ('overcloud-full.vmlinuz', 'overcloud-full.initrd',
138 src_img = os.path.join(self.image_path, img_file)
139 dest_img = os.path.join(constants.LIBVIRT_VOLUME_PATH, img_file)
140 if not os.path.isfile(src_img):
141 raise ApexUndercloudException(
142 "Required source file does not exist:{}".format(src_img))
143 if os.path.exists(dest_img):
145 shutil.copyfile(src_img, dest_img)
147 # TODO(trozet):check if resize needed right now size is 50gb
148 # there is a lib called vminspect which has some dependencies and is
149 # not yet available in pip. Consider switching to this lib later.
150 # execute ansible playbook
152 def inject_auth(self):
154 # virt-customize keys/pws
156 pw_op = "password:{}".format(self.root_pw)
157 virt_ops.append({constants.VIRT_PW: pw_op})
159 virt_ops.append({constants.VIRT_RUN_CMD:
160 'mkdir -p /root/.ssh'})
161 virt_ops.append({constants.VIRT_UPLOAD:
162 '/root/.ssh/id_rsa.pub:/root/.ssh/authorized_keys'})
164 'chmod 600 /root/.ssh/authorized_keys',
165 'restorecon /root/.ssh/authorized_keys',
166 'cp /root/.ssh/authorized_keys /home/stack/.ssh/',
167 'chown stack:stack /home/stack/.ssh/authorized_keys',
168 'chmod 600 /home/stack/.ssh/authorized_keys'
171 virt_ops.append({constants.VIRT_RUN_CMD: cmd})
172 virt_utils.virt_customize(virt_ops, self.volume)
175 def generate_config(ns):
177 Generates a dictionary of settings for configuring undercloud
178 :param ns: network settings to derive undercloud settings
179 :return: dictionary of settings
182 ns_admin = ns['networks']['admin']
183 intro_range = ns['apex']['networks']['admin']['introspection_range']
185 config['undercloud_config'] = [
187 "undercloud_update_packages false",
188 "undercloud_debug false",
189 "undercloud_hostname undercloud.{}".format(ns['dns-domain']),
190 "local_ip {}/{}".format(str(ns_admin['installer_vm']['ip']),
191 str(ns_admin['cidr']).split('/')[1]),
192 "network_gateway {}".format(str(ns_admin['installer_vm']['ip'])),
193 "network_cidr {}".format(str(ns_admin['cidr'])),
194 "dhcp_start {}".format(str(ns_admin['dhcp_range'][0])),
195 "dhcp_end {}".format(str(ns_admin['dhcp_range'][1])),
196 "inspection_iprange {}".format(','.join(intro_range))
199 config['ironic_config'] = [
200 "disk_utils iscsi_verify_attempts 30",
201 "disk_partitioner check_device_max_retries 40"
204 config['nova_config'] = [
205 "dns_domain {}".format(ns['dns-domain']),
206 "dhcp_domain {}".format(ns['dns-domain'])
209 config['neutron_config'] = [
210 "dns_domain {}".format(ns['dns-domain']),
212 # FIXME(trozet): possible bug here with not using external network
213 ns_external = ns['networks']['external'][0]
214 config['external_network'] = {
215 "vlan": ns_external['installer_vm']['vlan'],
216 "ip": ns_external['installer_vm']['ip'],
217 "prefix": str(ns_external['cidr']).split('/')[1],
218 "enabled": ns_external['enabled']
221 # Check if this is an ARM deployment
222 config['aarch64'] = platform.machine() == 'aarch64'