rally cleanup manually
Rally cleans up resources automatically at the end of testing. However, we disable cleanup in rally sometimes during testing and later try to manually delete these resources. Cleaning up the resources at scale is very time consuming, so we came up with a python process to speed up this activity. To cleanup : $ source browbeat/.rally-venv/bin/activate $ source ~/overcloudrc $ python browbeat/rally_cleanup.py It spawns the user specified number of processes for cleanup. Each process cleans up the provided resource (example, given network). We are using python multiprocessing Pool with map, which distributes list of resources (ex, networks) to processes for deletion. We also add retries to check and delete the left over resources from previous iterations. Change-Id: Ifeb08e6eb6b8251422ba5777bda15c6701b7fefe
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venkata anil
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@ -325,3 +325,16 @@ Example output from running this CLI command
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We can see from the output above that we also provide the user with some metadata regarding the two runs, like the amount version and the number of runs each UUID
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contained.
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Cleanup Rally resources
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------------------------------------------
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Rally cleans up resources automatically at the end of testing. However, we disable cleanup in rally sometimes during testing and later try to manually delete these resources. Cleaning up the resources at scale is very time consuming, so we came up with a python process to speed up this activity.
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To cleanup :
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::
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$ source browbeat/.rally-venv/bin/activate
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$ source ~/overcloudrc
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$ python browbeat/rally_cleanup.py
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250
rally_cleanup.py
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250
rally_cleanup.py
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@ -0,0 +1,250 @@
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#!/usr/bin/env python
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import time
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from multiprocessing import Pool
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from rally.common import cfg
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from rally.common import logging
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from rally_openstack import osclients
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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# Define http timeout to avoid traceback
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CONF.openstack_client_http_timeout = 180.0
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# Get Openstack clients
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osclient = osclients.Clients.create_from_env()
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nova_client = osclient.nova(version="2.73")
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neutron_client = osclient.neutron()
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# Currently we only check and delete router_interface
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# and not DVR or HA interface
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ROUTER_INTERFACE_OWNERS = ("network:router_interface",
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"network:router_interface_distributed",
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"network:ha_router_replicated_interface")
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# Exclude deleting these networks
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NETWORK_EXCLUDE = ["public", "lb-mgmt-net"]
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# number of processes swapned to delete resources concurrently
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CONCURRENCY = 16
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# Cleanup of a resource is retried by these many times
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MAX_ATTEMPTS = 7
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# number of times we check if the resource still exist after giving a delete request
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MAX_CHECK = 6
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def delete_server(resource):
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server = nova_client.servers.get(resource.id)
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print("pid {} deleting server id {} name {}".format(
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os.getpid(), resource.id, server.name))
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nova_client.servers.delete(server)
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for i in range(0, MAX_CHECK):
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try:
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nova_client.servers.get(resource.id)
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print("pid {} server {} still exists".format(os.getpid(), resource.id))
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except Exception:
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print("pid {} server {} succesfully deleted".format(os.getpid(), resource.id))
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break
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time.sleep(5)
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return resource
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def delete_network(resource):
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network = neutron_client.show_network(resource.id)["network"]
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print("pid {} deleting network id {} name {}".format(
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os.getpid(), resource.id, network["name"]))
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# delete network
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neutron_client.delete_network(network["id"])
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# check if network got deleted or not
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for i in range(0, MAX_CHECK):
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try:
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neutron_client.show_network(resource.id)["network"]
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print("pid {} network {} still exists".format(os.getpid(), resource.id))
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except Exception:
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print("pid {} network {} succesfully deleted".format(os.getpid(), resource.id))
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break
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time.sleep(5)
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return resource
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def delete_floatingip(resource):
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floatingip = neutron_client.show_floatingip(resource.id)["floatingip"]
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print("pid {} deleting floatingip id {} address {}".format(
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os.getpid(), resource.id, floatingip["floating_ip_address"]))
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neutron_client.delete_floatingip(resource.id)
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# check if floatingip got deleted or not
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for i in range(0, MAX_CHECK):
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try:
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neutron_client.show_floatingip(resource.id)["floatingip"]
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print("pid {} floatingip {} still exists".format(os.getpid(), resource.id))
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except Exception:
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print("pid {} floatingip {} succesfully deleted".format(os.getpid(), resource.id))
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break
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time.sleep(5)
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return resource
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def delete_router(resource):
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router = neutron_client.show_router(resource.id)["router"]
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print(router)
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print("pid {} deleting router id {} name {}".format(
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os.getpid(), resource.id, router["name"]))
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try:
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neutron_client.remove_gateway_router(resource.id)
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except Exception:
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print("pid {} router id {} gateway doesn't exist".format(os.getpid(), resource.id))
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time.sleep(5)
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neutron_client.delete_router(router["id"])
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# check if router got deleted or not
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for i in range(0, MAX_CHECK):
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try:
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neutron_client.show_router(resource.id)["router"]
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print("pid {} router {} still exists".format(os.getpid(), resource.id))
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except Exception:
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print("pid {} router {} succesfully deleted".format(os.getpid(), resource.id))
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break
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time.sleep(5)
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return resource
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def delete_router_ports(resource):
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port = neutron_client.show_port(resource.id)["port"]
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print(port)
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if (port["device_owner"] not in ROUTER_INTERFACE_OWNERS):
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return resource
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print("pid {} deleting router {} port id {}".format(
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os.getpid(), port["device_id"], resource.id))
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neutron_client.remove_interface_router(port["device_id"], {"port_id": port["id"]})
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time.sleep(5)
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neutron_client.delete_port(port["id"])
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# check if port got deleted or not
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for i in range(0, MAX_CHECK):
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try:
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neutron_client.show_port(resource.id)["port"]
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print("pid {} router port {} still exists".format(os.getpid(), resource.id))
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except Exception:
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print("pid {} router port {} succesfully deleted".format(os.getpid(), resource.id))
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break
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time.sleep(5)
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return resource
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class Resource:
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def __init__(self, id):
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self.id = id
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def __getnewargs__(self):
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return self.id,
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# Ir creates CONCURRENCY pool of processes. Each process runs the provided function.
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# "map_async" will spwan the process with the function to run and with only one "unique"
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# resource from the list of resources. None of the processes work on the same resource.
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# For example, to delete networks, each process deletes a unique network.
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def cleanup_with_concurrency(cleanup_fun, resources):
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ret = True
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with Pool(CONCURRENCY) as p:
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result = p.map_async(cleanup_fun, resources)
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# https://stackoverflow.com/questions/26063877/python-multiprocessing-module-join-processes-with-timeout
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# wait 50 seconds for every worker to finish
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# it is a cumulative timeout
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result.wait(timeout=60)
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try:
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# check if workers succesfully executed
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result.get(timeout=60)
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except Exception:
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ret = False
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try:
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# This will close succesfully exited processes and forcefully failed processes.
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p.terminate()
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except Exception:
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# close any leftover child processes
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p.close()
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p.join()
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return ret
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def cleanup_nova_vms():
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for i in range(0, MAX_ATTEMPTS):
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servers = nova_client.servers.list(detailed=True, search_opts={"all_tenants": 1})
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if (len(servers) == 0):
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break
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print("Deleting {} servers".format(len(servers)))
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ids = [Resource(server.id) for server in servers]
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if cleanup_with_concurrency(delete_server, ids):
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break
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time.sleep(5)
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def cleanup_neutron_networks():
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for i in range(0, MAX_ATTEMPTS):
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networks = neutron_client.list_networks()["networks"]
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if (len(networks) == 0):
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break
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print("Deleting {} networks".format(len(networks)))
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ids = [Resource(network["id"]) for network in networks
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if network["name"] not in NETWORK_EXCLUDE]
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if cleanup_with_concurrency(delete_network, ids):
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break
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time.sleep(5)
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def cleanup_neutron_floatingips():
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for i in range(0, MAX_ATTEMPTS):
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floatingips = neutron_client.list_floatingips()["floatingips"]
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if (len(floatingips) == 0):
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break
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print("Deleting {} floatingips".format(len(floatingips)))
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ids = [Resource(floatingip["id"]) for floatingip in floatingips]
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if cleanup_with_concurrency(delete_floatingip, ids):
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break
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time.sleep(5)
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def _cleanup_neutron_router_ports():
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for i in range(0, MAX_ATTEMPTS):
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ports = neutron_client.list_ports(device_owner='network:router_interface')["ports"]
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if (len(ports) == 0):
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break
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print("Deleting {} router ports".format(len(ports)))
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ids = [Resource(port["id"]) for port in ports]
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if cleanup_with_concurrency(delete_router_ports, ids):
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break
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time.sleep(5)
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def cleanup_neutron_routers():
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_cleanup_neutron_router_ports()
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for i in range(0, MAX_ATTEMPTS):
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routers = neutron_client.list_routers()["routers"]
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if (len(routers) == 0):
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break
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print("Deleting {} routers".format(len(routers)))
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ids = [Resource(router["id"]) for router in routers]
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if cleanup_with_concurrency(delete_router, ids):
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break
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time.sleep(5)
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def cleanup_resources():
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cleanup_nova_vms()
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cleanup_neutron_floatingips()
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cleanup_neutron_routers()
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cleanup_neutron_networks()
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cleanup_resources()
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