#!/usr/bin/env python3
"""
OpenStack project multicloud migrator
Usage example:
* ./project-migrator.py --source-openrc ~/c/prod-einfra_cz_migrator.sh.inc
--destination-openrc ~/c/g2-prod-brno-einfra_cz_migrator.sh.inc
--project-name meta-cloud-new-openstack
--validation-a-source-server-id 8e8f71d5-2e7f-461f-813a-1e520136f08e
--ceph-migrator-sshkeyfile $HOME/.ssh/id_rsa.LenovoThinkCentreE73
"""
import argparse
import json
import logging
import math
import pprint
import re
import sys
import xmltodict
import paramiko
import keystoneauth1.session
from keystoneauth1.identity import v3
from openstack import connection
from keystoneauth1 import session
def normalize_servers(servers):
""" list of server names/IDs separated by space of comma returned as list of strings or None """
if isinstance(servers, str) and servers:
return servers.replace(","," ").split()
return None
def trim_dict(dict_data, allowed_keys=None, denied_keys=None):
""" transform input dictionary and filter its keys with allowed_keys and denied_keys sequences """
int_allowed_keys = allowed_keys if allowed_keys else tuple()
int_denied_keys = denied_keys if denied_keys else tuple()
if int_allowed_keys:
return {i_key: dict_data[i_key] for i_key in dict_data if i_key in int_allowed_keys}
elif int_denied_keys:
return {i_key: dict_data[i_key] for i_key in dict_data if i_key not in int_denied_keys}
return dict_data
def get_destination_network(source_network):
""" LUT for networks """
network_mapping = {
# shared
"78-128-250-pers-proj-net" : "internal-ipv4-general-private",
"147-251-115-pers-proj-net" : "internal-ipv4-general-private",
"public-muni-v6-432" : "external-ipv6-general-public",
# external
"public-muni-147-251-21-GROUP": "external-ipv4-general-public",
"public-cesnet-78-128-250-PERSONAL": "external-ipv4-general-public",
"public-cesnet-78-128-251-GROUP": "external-ipv4-general-public",
"provider-public-cerit-sc-147-251-253": "external-ipv4-general-public",
"public-muni-147-251-115-PERSONAL": "external-ipv4-general-public",
"public-muni-147-251-124-GROUP": "external-ipv4-general-public",
"public-cesnet-195-113-167-GROUP": "external-ipv4-general-public",
"public-muni-147-251-11-128-254": "external-ipv4-general-public",
"public-muni-CERIT-FI-147-251-88-132-254": "external-ipv4-general-public",
"public-muni-CSIRT-MU-217-69-96-64-240": "external-ipv4-general-public",
"public-muni-csirt-147-251-125-16-31": "external-ipv4-general-public",
"provider-public-cerit-sc-147-251-254": "external-ipv4-general-public",
# group project internal network
"group-project-network": "group-project-network"
}
if source_network in network_mapping.keys():
return network_mapping[source_network]
return None
def get_destination_subnet(source_subnet):
""" LUT for networks """
subnet_mapping = {
# TODO: shared
# group project internal network
"group-project-network-subnet": "group-project-network-subnet"
}
if source_subnet in subnet_mapping.keys():
return subnet_mapping[source_subnet]
return None
def get_destination_router(source_router):
""" LUT for networks """
router_mapping = {
# TODO: shared
# group project internal network
"router": "group-project-router"
}
if source_router in router_mapping.keys():
return router_mapping[source_router]
return None
def get_destination_flavor(source_flavor):
""" LUT for flavors """
flavor_mapping = {
#'eph.16cores-60ram' # nemusime resit neni pouzit u zadneho projektu v g1
#'eph.8cores-30ram': 'c2.8core-30ram' # nemusime resit neni pouzit u zadneho projektu v g1
#'eph.8cores-60ram': 'c3.8core-60ram' # nemusime resit neni pouzit u zadneho projektu v g1
'hdn.cerit.large-35ssd-ephem': 'p3.4core-8ram', # nesedi velikost disku v G2 je 80 misto 35
'hdn.cerit.large-ssd-ephem': 'p3.4core-8ram', # ok
'hdn.cerit.medium-35ssd-ephem': 'p3.2core-4ram', # nesedi velikost disku v G2 je 80 misto 35
'hdn.cerit.xxxlarge-ssd-ephem': 'p3.8core-60ram', # ok
#'hdn.medium-ssd-ephem': # nemusime resit neni pouzit u zadneho projektu v g1
'hpc.12core-64ram-ssd-ephem-500': 'c3.12core-64ram-ssd-ephem-500', # neni v G2 a je potreba
'hpc.16core-128ram': 'c3.16core-128ram', # neni v G2 a je potreba
'hpc.16core-256ram': 'c3.16core-256ram', # neni v G2 a je potreba
'hpc.16core-32ram': 'c2.16core-30ram', # ok
'hpc.16core-32ram-100disk': 'c3.16core-32ram-100disk', # neni v G2 a je potreba
'hpc.16core-64ram-ssd-ephem': 'hpc.16core-64ram-ssd', # neni v G2 a je potreba
'hpc.16core-64ram-ssd-ephem-500': 'p3.16core-60ram', # ok
'hpc.18core-48ram': '', # neni v G2 a je potreba
'hpc.18core-64ram-dukan': 'c2.24core-60ram', # nemusime resit
'hpc.24core-96ram-ssd-ephem': 'hpc.24core-96ram-ssd', # nemusime resit
'hpc.30core-128ram-ssd-ephem-500': 'c3.30core-128ram-ssd-ephem-500', # neni v G2 a je potreba
'hpc.30core-256ram': 'c3.30core-256ram', # neni v G2 a je potreba
'hpc.30core-64ram': 'c3.32core-60ram', # v G2 je o 2 CPU vic
'hpc.4core-16ram-ssd-ephem': 'p3.4core-16ram', # ok
'hpc.4core-16ram-ssd-ephem-500': 'p3.4core-16ram', # ok
'hpc.4core-4ram': 'e1.medium', # nemusime resit
'hpc.8core-128ram': 'c3.8core-128ram', # neni v G2 a je potreba
'hpc.8core-16ram': 'c2.8core-16ram', # ok
'hpc.8core-16ram-ssd-ephem': 'p3.8core-16ram', # nemusime resit
'hpc.8core-256ram': None, # nemusime resit
'hpc.8core-32ram-dukan': 'c2.8core-30ram', # nemusime resit
'hpc.8core-32ram-ssd-ephem': 'p3.8core-30ram', # ok
'hpc.8core-32ram-ssd-rcx-ephem': 'p3.8core-30ram', # ok
'hpc.8core-64ram-ssd-ephem-500': 'p3.8core-60ram', # ok
'hpc.8core-8ram': 'e1.1xlarge', # v G2 je o 20 GB mensi disk
'hpc.hdh-ephem': 'hpc.hdh', # neni a je potreba
'hpc.hdn.30core-128ram-ssd-ephem-500': 'c3.hdn.30core-128ram-ssd-ephem-500', # neni potreba
'hpc.hdn.4core-16ram-ssd-ephem-500': 'p3.4core-16ram', # neni potreba
#'hpc.ics-gladosag-full': 'c3.ics-gladosag-full', # neni potreba
'hpc.large': 'g2.3xlarge', # ok
'hpc.medium': 'c2.8core-30ram', # ok
'hpc.small': 'c2.4core-16ram', # ok
'hpc.xlarge': None, # neni v G2
'hpc.xlarge-memory': 'c3.xlarge-memory', # neni v G2
'standard.16core-32ram': 'g2.2xlarge', # ok
'standard.20core-128ram': 'e1.20core-128ram', # neni potreba
'standard.20core-256ram': 'e1.20core-256ram', # neni v G2
'standard.2core-16ram': 'c3.2core-16ram', # ok
'standard.large': 'e1.large', # ok pripadne jeste c3.4core-8ram
'standard.medium': 'e1.medium', # o 2 vice CPU
'standard.memory': 'c3.2core-30ram', # pripadne i c2.2core-30ram
'standard.one-to-many': 'c3.24core-60ram', # v G2 je o 4 vice CPU
'standard.small': 'e1.small', # 2x vice ram a CPU u G2
'standard.tiny': 'e1.tiny', # 2x vice ram a CPU u G2
'standard.xlarge': 'e1.2xlarge', # o 4 vice CPU G2
'standard.xlarge-cpu': 'e1.2xlarge', # ok
'standard.xxlarge': 'c2.8core-30ram', # ok
'standard.xxxlarge': 'c3.8core-60ram' # ok
}
assert source_flavor in flavor_mapping, "Source flavor can be mapped to destination one"
assert flavor_mapping[source_flavor], "Source flavor mapping is not valid"
return flavor_mapping[source_flavor]
def normalize_table_data_field(data_field):
""" normalize single data field (single data insert) """
int_dict = {}
i_name_key = '@name'
for i_data_field_item in data_field:
i_value_key = [ i_k for i_k in i_data_field_item.keys() if i_k != i_name_key][0]
int_dict[i_data_field_item[i_name_key]] = i_data_field_item[i_value_key]
return int_dict
def normalize_table_data(data):
""" normalize whole table data """
int_list = []
for i_data_field in data:
int_list.append(normalize_table_data_field(i_data_field['field']))
return int_list
def get_openrc(file_handle):
""" parse and return OpenRC file """
openrc_vars = {}
for line in file_handle:
match = re.match(r'^export (\w+)=(.+)$', line.strip())
if match:
openrc_vars[match.group(1)] = match.group(2).strip('"')
return openrc_vars
def get_ostack_connection(openrc_vars):
""" """
auth_args = {
'auth_url': openrc_vars.get('OS_AUTH_URL'),
'username': openrc_vars.get('OS_USERNAME'),
'password': openrc_vars.get('OS_PASSWORD'),
'project_name': openrc_vars.get('OS_PROJECT_NAME'),
'project_domain_name': openrc_vars.get('OS_PROJECT_DOMAIN_NAME'),
'user_domain_name': openrc_vars.get('OS_USER_DOMAIN_NAME'),
'project_domain_id': openrc_vars.get('OS_PROJECT_DOMAIN_ID'),
'user_domain_id': openrc_vars.get('OS_USER_DOMAIN_ID'),
}
connection_args = {
'compute_api_version': openrc_vars.get('OS_COMPUTE_API_VERSION'),
'identity_api_version': openrc_vars.get('OS_IDENTITY_API_VERSION'),
'volume_api_version': openrc_vars.get('OS_VOLUME_API_VERSION')
}
auth = v3.Password(**auth_args)
ostack_sess = session.Session(auth=auth)
ostack_conn = connection.Connection(session=ostack_sess, **connection_args)
return ostack_conn
def get_ostack_project(ostack_connection, project_name):
project = None
for i_project in ostack_connection.list_projects():
if i_project.name == project_name:
project = i_project
return project
def get_ostack_project_type(ostack_connection, project):
""" detect project type, return 'group' / 'personal' / 'other' """
if project.name in [ i_user.name for i_user in ostack_connection.list_users() ]:
return "personal"
return "group"
def get_ostack_project_security_groups(ostack_connection, project=None):
security_groups = []
if project:
for i_security_group in ostack_connection.network.security_groups():
if i_security_group.tenant_id == project.id:
security_groups.append(i_security_group)
return security_groups
else:
return tuple(ostack_connection.network.security_groups())
def get_ostack_project_keypairs(ostack_connection, project=None):
return ostack_connection.list_keypairs()
def get_ostack_project_keypairs2(ostack_connection, project=None):
return list(ostack_connection.compute.keypairs())
def get_ostack_project_servers(ostack_connection, project=None):
return tuple(ostack_connection.compute.servers())
def get_ostack_project_volumes(ostack_connection, project=None):
return ostack_connection.block_store.volumes()
def get_ostack_project_flavors(ostack_connection, project=None):
return tuple(ostack_connection.compute.flavors())
def get_resource_details(resources):
""" inspect resources """
for i_resource in resources:
print(i_resource)
pprint.pprint(i_resource)
def remote_cmd_exec(hostname, username, key_filename, command):
""" executes remote command, returs stdout, stderr and exit-code or Exception """
# Create SSH client
ssh_client = paramiko.SSHClient()
# Automatically add untrusted hosts
ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ecode = None
try:
# Connect to the remote host
pkey = paramiko.RSAKey.from_private_key_file(key_filename)
ssh_client.connect(hostname, username=username, pkey=pkey, look_for_keys=False)
# Execute the command, read the output and close
stdin, stdout, stderr = ssh_client.exec_command(command)
output = stdout.read().decode().strip()
error = stderr.read().decode().strip()
ecode = stdout.channel.recv_exit_status()
ssh_client.close()
return output, error, ecode
except Exception as e:
print("Error:", e)
return None, None, e
def read_existing_rbd_images(args, pool_name):
""" """
stdout, stderr, ecode = remote_cmd_exec(args.ceph_migrator_host,
args.ceph_migrator_user,
args.ceph_migrator_sshkeyfile.name,
f"/root/migrator/ceph-rbd-images-list.sh {pool_name}")
assert stdout, f"RBD pool ({pool_name}) images received successfully (non-empty RBD list)"
assert ecode == 0, f"RBD pool ({pool_name}) images received successfully (ecode)"
return stdout.splitlines()
def get_rbd_image_info(args, pool_name, rbd_image_name):
""" """
stdout, stderr, ecode = remote_cmd_exec(args.ceph_migrator_host,
args.ceph_migrator_user,
args.ceph_migrator_sshkeyfile.name,
f"CEPH_USER=client.cinder /root/migrator/ceph-rbd-image-info.sh {pool_name} {rbd_image_name}")
return json.loads(stdout), stderr, ecode
def assert_entity_ownership(entities, project):
""" """
for i_entity in entities:
assert i_entity.project_id == project.id, f"Entity belongs to expected project (name:{project.name}, id: {project.id})"
def get_source_keypairs(args):
""" """
reply_stdout, reply_stderr, reply_ecode = remote_cmd_exec(args.ceph_migrator_host,
args.ceph_migrator_user,
args.ceph_migrator_sshkeyfile.name,
f"cat {args.source_keypair_xml_dump_file}")
assert reply_ecode == 0, "Keypairs received"
table_dictdata = xmltodict.parse(reply_stdout)
table_data_dictdata = table_dictdata['mysqldump']['database']['table_data']['row']
return normalize_table_data(table_data_dictdata)
def get_source_keypair(keypairs, keypair_name, user_id):
""" """
keypairs_selected = [ i_keypair for i_keypair in keypairs if i_keypair.get("name", "") == keypair_name and i_keypair.get("user_id", "") == user_id ]
if keypairs_selected:
return keypairs_selected[0]
return None
def create_keypair(ostack_connection, keypair):
""" """
return ostack_connection.compute.create_keypair(name=keypair['name'], public_key=keypair['public_key'], type=keypair['type'])
def log_or_assert(args, msg, condition):
""" log and assert """
assert condition, msg
args.logger.info(msg)
def main(args):
""" """
# connect to source cloud
source_migrator_openrc = get_openrc(args.source_openrc)
source_migrator_conn = get_ostack_connection(source_migrator_openrc)
args.logger.info("A.1 Source OpenStack cloud connected as migrator user")
# connect to destination cloud
destination_migrator_openrc = get_openrc(args.destination_openrc)
destination_migrator_conn = get_ostack_connection(destination_migrator_openrc)
args.logger.info("A.2 Destination OpenStack cloud connected as migrator user")
# check project exists in source and destination
source_project = get_ostack_project(source_migrator_conn, args.project_name)
log_or_assert(args, f"B.1 Source OpenStack cloud project exists", source_project)
source_project_type = get_ostack_project_type(source_migrator_conn, source_project)
log_or_assert(args, f"B.2 Source OpenStack cloud project type is {source_project_type}",
source_project_type)
destination_project = get_ostack_project(destination_migrator_conn, args.project_name)
log_or_assert(args, f"B.10 Destination OpenStack cloud project exists", destination_project)
destination_project_type = get_ostack_project_type(destination_migrator_conn, destination_project)
log_or_assert(args, f"B.11 Destination OpenStack cloud project type is {destination_project_type}",
destination_project_type)
log_or_assert(args, f"B.12 Source and destination project types match",
source_project_type == destination_project_type)
# check user context switching & quotas
source_project_conn = get_ostack_connection(source_migrator_openrc | {'OS_PROJECT_NAME': source_project.name})
#source_project_quotas = source_project_conn.get_compute_quotas(source_project.id)
#assert_msg = f"Context switching to source OpenStack cloud project {source_project.name} succeeded (id:{source_project.id})"
#assert source_project_quotas and source_project_quotas.id == source_project.id, assert_msg
#args.logger.info(f"C.2 {assert_msg}")
destination_project_conn = get_ostack_connection(destination_migrator_openrc | {'OS_PROJECT_NAME': destination_project.name})
#destination_project_quotas = destination_project_conn.get_compute_quotas(destination_project.id)
#assert_msg = f"Context switching to destination OpenStack cloud project {destination_project.name} succeeded (id:{destination_project.id})"
#assert destination_project_quotas and destination_project_quotas.id == destination_project.id, assert_msg
#args.logger.info(f"C.2 {assert_msg}")
# connect to migrator node
reply_stdout, reply_stderr, reply_ecode = remote_cmd_exec(args.ceph_migrator_host, args.ceph_migrator_user,
args.ceph_migrator_sshkeyfile.name, 'uname -a')
log_or_assert(args, f"D.1 Migrator host is reachable", 'Linux' in reply_stdout and reply_ecode == 0)
reply_stdout, reply_stderr, reply_ecode = remote_cmd_exec(args.ceph_migrator_host, args.ceph_migrator_user,
args.ceph_migrator_sshkeyfile.name, '/root/migrator/ceph-accessible.sh')
log_or_assert(args, f"D.2 Ceph is available from the migrator host", reply_ecode == 0)
source_rbd_images = {args.source_ceph_ephemeral_pool_name: None,
args.source_ceph_cinder_pool_name: None}
for i_pool_name in source_rbd_images.keys():
source_rbd_images[i_pool_name] = read_existing_rbd_images(args, i_pool_name)
log_or_assert(args, f"D.3 Source cloud RBD images are received ({i_pool_name}).", source_rbd_images[i_pool_name])
source_keypairs = get_source_keypairs(args)
log_or_assert(args, f"D.4 Source OpenStack cloud keypairs received.", source_keypairs)
# get source/destination entities in the project
source_project_servers = get_ostack_project_servers(source_project_conn, source_project)
args.logger.info(f"E.1 Source OpenStack cloud servers received")
assert_entity_ownership(source_project_servers, source_project)
args.logger.info(f"E.2 Source OpenStack cloud has {len(source_project_servers)} servers.")
log_or_assert(args, f"E.3 Source OpenStack VM ID validation succeeded",
args.validation_a_source_server_id in [i_server.id for i_server in source_project_servers])
source_project_flavors = get_ostack_project_flavors(source_project_conn)
log_or_assert(args, f"E.4 Source OpenStack flavor list received", source_project_flavors)
destination_project_servers = get_ostack_project_servers(destination_project_conn, destination_project)
args.logger.info(f"E.10 Destination OpenStack cloud servers received")
assert_entity_ownership(destination_project_servers, destination_project)
args.logger.info(f"E.11 Destination OpenStack cloud has {len(destination_project_servers)} servers.")
destination_project_flavors = get_ostack_project_flavors(destination_project_conn)
log_or_assert(args, f"E.12 Destination OpenStack flavor list received", destination_project_flavors)
#xyz
args.logger.info(f"F.0 Main looping started")
for i_source_server in source_project_servers:
i_source_server_detail = source_project_conn.compute.find_server(i_source_server.id)
args.logger.info(f"F.1 server name:{i_source_server_detail.name}, id:{i_source_server_detail.id}, keypair: {i_server.key_name}, flavor: {i_server.flavor}, sec-groups:{i_server.security_groups}, root_device_name: {i_server.root_device_name}, block_device_mapping: {i_server.block_device_mapping}, attached-volumes: {i_server.attached_volumes}")
# network, subnet detection
i_source_server_network_names = i_source_server_detail.addresses.keys()
i_destination_server_networks = []
for i_source_network_name in i_source_server_network_names:
i_destination_network_name = get_destination_network(i_source_network_name)
log_or_assert(args, f"F.2 Source to Destination network mapping succeeeded ({i_source_network_name}->{i_destination_network_name})", i_destination_network_name)
i_destination_network = destination_project_conn.network.find_network(i_source_network_name)
log_or_assert(args, f"F.3 Destination network exists ({i_destination_network})", i_destination_network)
i_destination_server_networks.append(i_destination_network)
# flavor detection
i_source_server_flavor = i_source_server_detail.flavor.name
i_destination_server_flavor = get_destination_flavor(i_source_server_flavor)
log_or_assert(args, f"F.5 Source to Destination flavor mapping succeeeded ({i_source_server_flavor}->{i_destination_server_flavor})",
i_destination_server_flavor)
log_or_assert(args, f"F.6 Destination OpenStack flavor exists",
[ i_flavor for i_flavor in destination_project_flavors if i_flavor.name == i_destination_server_flavor ])
# keypair detection / creation
i_source_server_keypair = get_source_keypair(i_source_server_detail.key_name, i_source_server_detail.user_id)
log_or_assert(args, f"F.7 Source OpenStack server keypair found ({i_source_server_keypair})", i_source_server_keypair)
i_destination_server_keypair = None
if i_destination_server_keypairs := [i_keypair for i_keypair in destination_project_conn.list_keypairs() if i_keypair.name == i_source_server_detail.key_name]:
log_or_assert(args, f"F.8 Destination OpenStack server keypair found already ({i_destination_server_keypair})", i_destination_server_keypair)
i_destination_server_keypair = i_destination_server_keypairs[0]
else:
i_destination_server_keypair = create_keypair(destination_project_conn, i_source_server_keypair)
args.logger.info("F.8 Destination OpenStack server keypair created")
log_or_assert(args, f"F.9 Destination OpenStack server keypair exists ({i_destination_server_keypair})", i_destination_server_keypair)
# security group
source_project_security_groups = get_ostack_project_security_groups(source_project_conn, source_project)
destination_project_security_groups = get_ostack_project_security_groups(destination_project_conn, destination_project)
i_destination_server_security_groups=[]
for i_source_server_security_group in i_source_server_detail.security_groups:
i_destination_server_security_group = None
if i_destination_server_security_group := destination_project_conn.network.find_security_group(i_source_server_security_group["name"], tenant_id=destination_project.id):
log_or_assert(args, f"F.10 Destination OpenStack server security group found already ({i_destination_server_security_group})",
i_destination_server_security_group)
else:
i_destination_server_security_group = create_security_group(destination_project_conn, i_source_server_security_group)
log_or_assert(args, f"F.10 Destination OpenStack server security group created ({i_destination_server_security_group})",
i_destination_server_security_group)
log_or_assert(args, f"F.11 Destination OpenStack server security group exists ({i_destination_server_security_group})",
i_destination_server_security_group)
i_destination_server_security_groups.append(i_destination_server_security_group)
log_or_assert(args, f"F.12 Destination OpenStack server - all security groups exist {i_destination_server_security_groups}",
len(i_destination_server_security_groups) == len(i_source_server_detail.security_groups))
# volume detection
i_source_server_root_device_name = i_source_server_detail.root_device_name
assert_msg = f"F.20 Source OpenStack server - root device name received ({i_source_server_root_device_name})"
assert i_source_server_root_device_name, assert_msg
args.logger.info(assert_msg)
i_source_server_volume_attachments = [ source_project_conn.compute.get_volume_attachment(i_server_volume_attachment.id, i_source_server_detail.id) for i_server_volume_attachment in i_source_server_detail.attached_volumes ]
assert_msg = f"F.21 Source OpenStack server - volume attachments received {i_source_server_volume_attachments}"
i_source_root_ostack_volume = None
i_source_root_ceph_ephemeral_rbd_image = None
i_source_ceph_ephemeral_rbd_image = None
if i_source_server_root_device_name in [ i_source_server_attachment.device for i_source_server_attachment in i_source_server_volume_attachments ]:
args.logger.info(f"F.22 Source OpenStack server - one of attached volume is attached as the root partition")
i_source_root_ostack_volume = [i_source_server_attachment.volume_id for i_source_server_attachment in i_source_server_volume_attachments if i_source_server_attachment.device == i_source_server_root_device_name][0]
else:
args.logger.info(f"F.22 Source OpenStack server - none of attached volumes is attached as the root partition. Seeking for root partition RBD image")
if f"{i_source_server_detail.id}_disk" in source_rbd_images[args.source_ceph_ephemeral_pool_name]:
i_source_root_ceph_ephemeral_rbd_image = i_source_ceph_ephemeral_rbd_image = f"{i_source_server_detail.id}_disk"
args.logger.info(f"F.23 Source OpenStack server - Root partition found as RBD image {args.source_ceph_ephemeral_pool_name}/{i_source_ceph_ephemeral_rbd_image}")
log_or_assert(args, f"F.23 Source OpenStack server - Root partition found",
i_source_root_ostack_volume or i_source_root_ceph_ephemeral_rbd_image)
# volume get sizes
if i_source_ceph_ephemeral_rbd_image:
i_source_ceph_ephemeral_rbd_image_data = get_rbd_image_info(args, args.source_ceph_ephemeral_pool_name,
i_source_ceph_ephemeral_rbd_image)
log_or_assert(args, f"F.24 Source OpenStack ceph RBD image information received",
i_source_ceph_ephemeral_rbd_image_data and 'size' in i_source_ceph_ephemeral_rbd_image_data)
i_source_ceph_ephemeral_rbd_image_size = math.ceil(i_source_ceph_ephemeral_rbd_image_data['size'] / 1024 / 1024 / 1024)
log_or_assert(args, f"F.25 Source OpenStack ceph RBD image size calculated",
i_source_ceph_ephemeral_rbd_image_data and 'size' in i_source_ceph_ephemeral_rbd_image_data)
# volume creation in destination cloud
## create root volume
## create other volumes
# VM stop
source_project_conn.compute.stop_server(i_source_server_detail)
# VM shutoff
## wait for server being SHUTOFF
# volume migration
# start server in source cloud
source_project_conn.compute.start_server(i_source_server_detail)
## wait for server being ACTIVE
# start server in destination cloud
## get source/destination keypairs
#source_keypairs = get_ostack_project_keypairs(source_conn, source_project)
#destination_keypairs = get_ostack_project_keypairs(destination_conn, destination_project)
## get source/destination security groups
#source_security_groups = get_ostack_project_security_groups(source_conn, source_project)
#destination_security_groups = get_ostack_project_security_groups(destination_conn, destination_project)
## get source/destination volumes in the project
#source_project_volumes = get_ostack_project_volumes(source_conn, source_project)
#destination_project_volumes = get_ostack_project_volumes(destination_conn, destination_project)
#print(dir(source_conn))
#print(locals())
#for i_res in (source_keypairs, destination_keypairs, source_security_groups, destination_security_groups, source_project_servers, destination_project_servers, source_project_volumes, destination_project_volumes):
#get_resource_details(source_keypairs)
# connect to source cloud
# connect to ceph migrator node
pass
# main() call (argument parsing)
# ---------------------------------------------------------------------------
if __name__ == "__main__":
AP = argparse.ArgumentParser(epilog=globals().get('__doc__'),
formatter_class=argparse.RawDescriptionHelpFormatter)
AP.add_argument('--source-openrc', default=None, type=argparse.FileType('r'),
required=True, help='Source cloud authentication (OpenRC file)')
AP.add_argument('--destination-openrc', default=None, type=argparse.FileType('r'),
required=True, help='Destination cloud authentication (OpenRC file)')
AP.add_argument('--ceph-migrator-host', default='controller-ostack.stage.cloud.muni.cz',
help='OpenStack migrator ceph node host')
AP.add_argument('--ceph-migrator-user', default='root',
help='OpenStack migrator ceph node username')
AP.add_argument('--ceph-migrator-sshkeyfile', default=None, type=argparse.FileType('r'),
help='OpenStack migrator SSH keyfile')
AP.add_argument('--source-ceph-cinder-pool-name', default='prod-cinder-volumes',
help='Source OpenStack/ceph cloud Cinder pool name')
AP.add_argument('--source-ceph-ephemeral-pool-name', default='prod-ephemeral-vms',
help='Source OpenStack/ceph cloud "ephemeral on ceph" or "libvirt ephemeral" pool name')
AP.add_argument('--destination-ceph-cinder-pool-name', default='cloud-cinder-volumes-prod-brno',
help='Destination OpenStack/ceph cloud Cinder pool name')
AP.add_argument('--destination-ceph-ephemeral-pool-name', default='cloud-ephemeral-volumes-prod-brno',
help='Destination OpenStack/ceph cloud "ephemeral on ceph" or "libvirt ephemeral" pool name')
AP.add_argument('--source-keypair-xml-dump-file', default='/root/migrator/prod-nova_api_key_pairs.dump.xml',
help='Source OpenStack cloud keypair SQL/XML dump file name')
AP.add_argument('--project-name', default=None, required=True,
help='OpenStack project name (identical name in both clouds required)')
AP.add_argument('--entity-overwrite', default=False, action='store_true',
help='Instruct migrator to overwrite already existing entities in destination cloud')
AP.add_argument('--explicit-server-names', default=None, required=False,
help='(Optional) List of explicit server names or IDs to be migrated. Delimiter comma or space.')
AP.add_argument('--validation-a-source-server-id', default=None, required=True,
help='For validation any server ID from source OpenStack project')
logging.basicConfig(level=logging.INFO, # Set the logging level
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
ARGS = AP.parse_args()
ARGS.logger = logging.getLogger("project-migrator")
ARGS.explicit_server_names = normalize_servers(ARGS.explicit_server_names)
sys.exit(main(ARGS))