def build_network_to_subnet_map(self):
# Build a map of network name to CIDR
self.network_to_subnet = {}
self.network_to_subnet["public_api"] = \
NetworkHelper.get_public_api_network()
self.network_to_subnet["private_api"] = \
NetworkHelper.get_private_api_network()
self.network_to_subnet["storage"] = \
NetworkHelper.get_storage_network()
self.network_to_subnet["storage_clustering"] = \
NetworkHelper.get_storage_clustering_network()
self.network_to_subnet["management"] = \
NetworkHelper.get_management_network()
self.network_to_subnet["provisioning"] = \
NetworkHelper.get_provisioning_network()
self.network_to_subnet["tenant"] = \
NetworkHelper.get_tenant_network()
# Pull in custom networks from the json
for network in self.network_config["networks"].keys():
self.network_to_subnet[network] = \
IPNetwork(self.network_config["networks"][network])
logger.debug("network_to_subnet map is:")
for network in self.network_to_subnet.keys():
logger.debug(" " + network + " => " +
str(self.network_to_subnet[network]))
def _get_nodes(self):
os_auth_url, os_tenant_name, os_username, os_password, \
os_user_domain_name, os_project_domain_name = \
CredentialHelper.get_undercloud_creds()
auth_url = os_auth_url + "v3"
provisioning_network = NetworkHelper.get_provisioning_network()
kwargs = {
'os_username': os_username,
'os_password': os_password,
'os_auth_url': os_auth_url,
'os_tenant_name': os_tenant_name,
'os_user_domain_name': os_user_domain_name,
'os_project_domain_name': os_project_domain_name
}
i_client = ironic_client.get_client(1, **kwargs)
auth = v3.Password(auth_url=auth_url,
username=os_username,
password=os_password,
project_name=os_tenant_name,
user_domain_name=os_user_domain_name,
project_domain_name=os_project_domain_name)
sess = session.Session(auth=auth)
n_client = nova_client.Client(2, session=sess)
# Build up a dictionary that maps roles to a list of IPs for that role
self.node_roles_to_nodes = {}
self.logger.debug("Querying ironic and nova for nodes")
nodes = i_client.node.list(
fields=["uuid", "instance_uuid", "properties"])
for node in nodes:
uuid = node.uuid
instance_uuid = node.instance_uuid
# Handle the case where we have a node in ironic that's not in nova
# (possibly due to the node being in maintenance mode in ironic or
# the user not assigning a role to a node, etc)
if instance_uuid is None:
self.logger.debug("Ironic node " + uuid + " has no "
"corresponding instance in nova. Skipping")
continue
capabilities = node.properties["capabilities"]
capabilities = dict(c.split(':') for c in capabilities.split(','))
# Role is the 'profile' capability when node placement is not
# in use. Otherwise it's encoded in the 'node' capability.
if 'profile' in capabilities:
role = capabilities['profile']
elif 'node' in capabilities:
role = capabilities['node']
# Trim the trailing "-N" where N is the node number
role = role[:role.rindex('-')]
else:
self.logger.error(
"Failed to determine role of node {}".format(node))
sys.exit(1)
server = n_client.servers.get(instance_uuid)
for address in server.addresses["ctlplane"]:
ip = address["addr"]
if IPAddress(ip) in provisioning_network:
break
self.logger.debug("Got node:\n"
" uuid=" + uuid + "\n"
" ip=" + ip + "\n"
" role=" + role + "\n"
" instance_uuid=" + instance_uuid)
if role not in self.node_roles_to_nodes:
self.node_roles_to_nodes[role] = []
self.node_roles_to_nodes[role].append(ip)
self.logger.debug("node_roles_to_nodes: " +
str(self.node_roles_to_nodes))
class Node:
"""
This is essentially a helper class that makes it easy to run commands
and transfer files on a remote system. In addition, it provides a simple
framework for storing and updating the node's machine ID, which is
required for the code that configures the Overcloud nodes to work with
the Ceph Storage Dashboard.
"""
etc_hosts = "/etc/hosts"
ansible_hosts = "/etc/ansible/hosts"
ceph_conf = "/etc/ceph/ceph.conf"
prometheus_yml = "/var/lib/cephmetrics/prometheus.yml"
subscription_json = "~/pilot/subscription.json"
root_home = expanduser("~root")
heat_admin_home = expanduser("~heat-admin")
storage_network = NetworkHelper.get_storage_network()
def __init__(self, address, username, password=None):
self.address = address
self.username = username
self.password = password
self.fqdn = address # Initial value that will be updated later
def _read_machine_id(self):
self.machine_id = self.run("cat /etc/machine-id")
def initialize(self):
self.fqdn = self.run("hostname")
self._read_machine_id()
# Find the node's IP address on the storage network
addrs = self.run("sudo ip -4 addr | awk '$1 == \"inet\" {print $2}'")
for addr in addrs.split("\n"):
ip_network = IPNetwork(addr)
if ip_network == Node.storage_network:
self.storage_ip = str(ip_network.ip)
break
if not getattr(self, "storage_ip", None):
msg = "Node at {} does not have an IP address on the storage" \
" network".format(self.address)
LOG.error(msg)
raise DashboardException(msg)
def execute(self, command):
status, stdout, stderr = Ssh.execute_command(self.address,
command,
user=self.username,
password=self.password)
# For our purposes, any leading or trailing '\n' just gets in the way
stdout = stdout.strip("\n")
stderr = stderr.strip("\n")
LOG.debug("Executed command on {}: \n"
" command : {}\n"
" status : {}\n"
" stdout : {}\n"
" stderr : {}".format(self.fqdn, command, status, stdout,
stderr))
return status, stdout, stderr
def run(self, command, check_status=True):
status, stdout, stderr = self.execute(command)
if int(status) != 0 and check_status:
raise DashboardException(
"Command execution failed on {} ({})".format(
self.fqdn, self.address))
return stdout
def put(self, localfile, remotefile):
LOG.debug("Copying {} to {}@{}:{}".format(localfile, self.username,
self.fqdn, remotefile))
Scp.put_file(self.address,
localfile,
remotefile,
user=self.username,
password=self.password)
def get(self, localfile, remotefile):
LOG.debug("Copying {}@{}:{} to {}".format(self.username, self.fqdn,
remotefile, localfile))
Scp.get_file(self.address,
localfile,
remotefile,
user=self.username,
password=self.password)
def main():
sah_user = "******"
args = parse_arguments(sah_user)
LoggingHelper.configure_logging(args.logging_level,
noisy_logger="paramiko")
sah_password = args.password
if not sah_password:
sah_password = getpass("Enter the password for the "
"{} user of the SAH node: ".format(sah_user))
management_net = NetworkHelper.get_management_network()
dhcp_conf = os.path.join(os.path.expanduser('~'), 'pilot', 'dhcpd.conf')
LOG.info("Creating dhcp configuration file {}".format(dhcp_conf))
dhcp_conf_template = os.path.join(os.path.expanduser('~'), 'pilot',
'templates', 'dhcpd.conf')
try:
in_file = open(dhcp_conf_template, 'r')
file_text = in_file.read()
except IOError:
LOG.exception("Could not open dhcp.conf template file {}".format(
dhcp_conf_template))
sys.exit(1)
token_map = {}
token_map["SUBNET"] = str(management_net.network)
token_map["NETMASK"] = str(management_net.netmask)
token_map["BROADCAST"] = str(management_net.broadcast)
token_map["GATEWAY"] = NetworkHelper.get_management_network_gateway()
for token in token_map.keys():
file_text = file_text.replace(token, token_map[token])
# Get the management network pools
management_net_pools = NetworkHelper.get_management_network_pools()
# Plug in the management pool ranges
range_lines = ""
for pool in management_net_pools:
range_lines += " range {} {};\n".format(
pool["start"], pool["end"])
file_text = re.sub("[ \t]*range[ \t]+POOL_START[ \t]+POOL_END;\n",
range_lines, file_text)
try:
with open(dhcp_conf, 'w') as out_file:
out_file.write(file_text)
except IOError:
LOG.exception("Could not open {} for writing.".format(dhcp_conf))
sys.exit(1)
# scp dhcp.conf to the SAH
dest_dhcp_conf = "/etc/dhcp/dhcpd.conf"
LOG.info("Copying {} to {}@{}:{}".format(dhcp_conf, sah_user, args.sah_ip,
dest_dhcp_conf))
Scp.put_file(args.sah_ip, dhcp_conf, dest_dhcp_conf,
user=sah_user, password=sah_password)
# The dhcp service will not start without an existing leases file,
# so touch it to make sure it exists before starting the service
dhcp_leases = "/var/lib/dhcpd/dhcpd.leases"
LOG.info("Touching {}:{} as {}".format(args.sah_ip, dhcp_leases, sah_user))
exit_code, _, std_err = Ssh.execute_command(
args.sah_ip,
"touch " + dhcp_leases,
user=sah_user,
password=sah_password)
if exit_code != 0:
LOG.error("Unable to touch {}:{}: {}".format(args.sah_ip,
dhcp_leases,
std_err))
sys.exit(1)
# Enable and restart the dhcp server on the SAH
LOG.info("Enabling dhcpd on {} as {}".format(args.sah_ip, sah_user))
exit_code, _, std_err = Ssh.execute_command(
args.sah_ip,
"systemctl enable dhcpd",
user=sah_user,
password=sah_password)
if exit_code != 0:
LOG.error("Unable to enable dhcpd on {}: {}".format(args.sah_ip,
std_err))
sys.exit(1)
LOG.info("Restarting dhcpd on {} as {}".format(args.sah_ip, sah_user))
exit_code, _, std_err = Ssh.execute_command(
args.sah_ip,
"systemctl restart dhcpd",
user=sah_user,
password=sah_password)
if exit_code != 0:
LOG.error("Unable to restart dhcpd on {}: {}".format(args.sah_ip,
std_err))
sys.exit(1)
