Linux运维--实践-Rally
1.rally简介
OpenStack Rally 是一个自动化测试工具,社区希望通过 Rally 来解答 “How does OpenStack work at scale?(如何规模化运行 OpenStack)” 的问题。为了实现这一目的,Rally 被设计成集自动化部署、功能验证、性能测试和分析报告于一体,作为 OpenStack CI/CD 系统中的基础工具,帮助用户不断提高系统的 SLA(服务等级协议)、性能和稳定性。
简而言之,Rally 能够帮助用户完成整个 OpenStack 平台或者某个单一组件功能的压力测试,帮助用户验证和评估稳定系统工作负载的规模。
2.应用场景
应用案例
自动化测试、分析,评估新引入的代码如何影响云平台的性能;
自动化测试、分析新引入的代码是否完美兼容云平台功能清单;
评估不同的部署方式如何影响云平台的性能,以此得出性能峰值最高的云平台部署架构;
评估不同硬件设备对云平台的性能影响,以此得出性能峰值最高的云平台硬件设施;rally架构
上图是 Rally 的总体架构,描述了 Rally 的组成结构、数据流和 OpenStack 的调用方式。
Deploy Engine:存储部署所需要的凭证(credentials)信息,以插件的形式集成第三方自动化部署工具(e.g. Devstack, Fuel, etc.),提供自动化部署能力。
Verification:通过调用 Tempest(基于 unittest 的功能测试框架)来验证云平台的功能清单。
Benchmark Engine/Task Engine:是一个通用的测试用例插件框架,允许用户编写参数化的 Plugin 实现以及对应的 Task
File(YAML/JSON)来满足自定义功能、性能测试需求,使用这种通用的方式来生成真实的用户负载。
Rally 最初被设计成一种不需要 Daemon 的 CLI-Driver,这使 Rally 非常易于使用和开发。但通常 OpenStack Projects 总是以 “as-a-Service” 来实现的,所以现在社区也提出了 RaaS 的理念,并付诸于行动(work in progress)。
上图描述了 “Rally-as-a-Service” 和 “Rally-as-an-APP” 两种形式的实现架构,显然两者在实现上的区别主要在于是否具有 Daemon 以及相应的 HTTP、RPC Invoke,也就是所谓的是否实现了泛 “Service” 化。实际上,对于用户而言无需太过于关心上层的调用方式,用户只需关心 Rally Core 的 Benchmark Engine/Task Framework 的应用。所以本文采用的是更为成熟、简单以及常用的 “Rally-as-an-APP” 模式。
5.安装及使用
5.1 安装
在kolla环境中,直接在globals.yml中开启rally。
enable_rally: yes
如果是性能测试设计主机关闭等操作,建议rally安装在一台非测试节点的机器。
安装完优化一下参数,rally配置文件位置:/etc/rally/rally.conf
默认注释所有选项,测试中遇到如下问题:
获取实例状态超时
连接超时
做如下设置,避免超时影响测试结果,时间设置1800s:
[DEFAULT]
openstack_client_http_timeout = 1800.0
[benchmark]
cinder_volume_create_timeout = 1800.0
cinder_volume_delete_timeout = 1800.0
nova_server_boot_timeout = 1800.0
nova_server_boot_timeout = 1800.0
5.2.1 创建deployment
1.使用环境变量创建
安装rally客户端
yum install python-rally openstack-rally
rally deployment create --fromenv --name=existing
[root@kolla ~]# rally deployment create --fromenv --name=existing
Database is missing. Create database by command `rally db create'
[root@kolla ~]# rally db create
Creating database: sqlite:////tmp/rally.sqlite
Database created successfully
[root@kolla ~]# rally deployment create --fromenv --name=existing
Env manager got invalid spec:
["There is no Platform plugin with name: 'existing@openstack'"]
问题1:
Env manager got invalid spec:
["There is no Platform plugin with name: 'existing@openstack'"]
解决办法:
pip install rally-openstack
问题2:
[root@kolla ~]# rally deployment create --fromenv --name=existing
2019-06-25 12:06:23.098 139478 WARNING rally.common.plugin.discover [-] Failed to load plugins from module 'rally_openstack' (package: 'rally-openstack 1.5.0'): (Babel 2.3.4 (/usr/lib/python2.7/site-packages), Requirement.parse('Babel!=2.4.0,>=2.5.3'), set(['python-watcherclient'])): ContextualVersionConflict: (Babel 2.3.4 (/usr/lib/python2.7/site-packages), Requirement.parse('Babel!=2.4.0,>=2.5.3'), set(['python-watcherclient']))
Env manager got invalid spec:
["There is no Platform plugin with name: 'existing@openstack'"]
pip install Babel==2.6.0
问题3:
[root@kolla ~]# rally deployment create --fromenv --name=existing
2019-06-25 12:10:34.774 139579 WARNING rally.common.plugin.discover [-] Failed to load plugins from module 'rally_openstack' (package: 'rally-openstack 1.5.0'): (urllib3 1.21.1 (/usr/lib/python2.7/site-packages), Requirement.parse('urllib3>=1.23'), set(['kubernetes'])): ContextualVersionConflict: (urllib3 1.21.1 (/usr/lib/python2.7/site-packages), Requirement.parse('urllib3>=1.23'), set(['kubernetes']))
Env manager got invalid spec:
["There is no Platform plugin with name: 'existing@openstack'"]
[root@kolla ~]# pip install urllib3==1.23
Collecting urllib3==1.23
Downloading http://pypi.doubanio.com/packages/bd/c9/6fdd990019071a4a32a5e7cb78a1d92c53851ef4f56f62a3486e6a7d8ffb/urllib3-1.23-py2.py3-none-any.whl (133kB)
100% |████████████████████████████████| 143kB 1.5MB/s
Installing collected packages: urllib3
Found existing installation: urllib3 1.21.1
Uninstalling urllib3-1.21.1:
Successfully uninstalled urllib3-1.21.1
Successfully installed urllib3-1.23
问题3:
[root@kolla ~]# rally deployment create --fromenv --name=existing
2019-06-25 12:11:29.250 139609 WARNING rally.common.plugin.discover [-] Failed to load plugins from module 'rally_openstack' (package: 'rally-openstack 1.5.0'): (keystoneauth1 3.10.0 (/usr/lib/python2.7/site-packages), Requirement.parse('keystoneauth1>=3.13.0'), set(['openstacksdk'])): ContextualVersionConflict: (keystoneauth1 3.10.0 (/usr/lib/python2.7/site-packages), Requirement.parse('keystoneauth1>=3.13.0'), set(['openstacksdk']))
Env manager got invalid spec:
["There is no Platform plugin with name: 'existing@openstack'"]
[root@kolla ~]# pip install keystoneauth1>=3.13.0
You are using pip version 8.1.2, however version 19.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
[root@kolla ~]# pip install keystoneauth1==3.13.0
Collecting keystoneauth1==3.13.0
Downloading http://pypi.doubanio.com/packages/70/30/9649e83a663c8d60925f3e043f2926fed8a30505eb7340eab4be510f8230/keystoneauth1-3.13.0-py2.py3-none-any.whl (302kB)
100% |████████████████████████████████| 307kB 7.7MB/s
[root@kolla ~]# rally deployment create --fromenv --name=existing
2019-06-25 12:12:09.576 139634 WARNING rally_openstack.platforms.existing [-] endpoint is deprecated and not used.
+--------------------------------------+----------------------------+----------+------------------+--------+
| uuid | created_at | name | status | active |
+--------------------------------------+----------------------------+----------+------------------+--------+
| 2c09ef0f-b213-4b64-b056-14ccde426435 | 2019-06-25T04:12:09.490709 | existing | deploy->finished | |
+--------------------------------------+----------------------------+----------+------------------+--------+
Using deployment: 2c09ef0f-b213-4b64-b056-14ccde426435
~/.rally/openrc was updated
HINTS:
* To use standard OpenStack clients, set up your env by running:
source ~/.rally/openrc
OpenStack clients are now configured, e.g run:
openstack image list
2.使用json模板创建
vim /root/rally-openstack/samples/deployment/existing.json
{
"openstack": {
"auth_url": "http://10.0.1.200:5000/v3",
"region_name": "RegionOne",
"endpoint_type": "public",
"admin": {
"username": "admin",
"password": "aSFGmOilNvWdfNViQfhMYBy5owf79hArIpfSXD8d",
"tenant_name": "admin"
},
"https_insecure": false,
"https_cacert": ""
}
}
[root@kolla ~]# rally deployment create --filename=/root/rally-openstack/samples/deployments/existing.json --name=exsisting2
+--------------------------------------+----------------------------+------------+------------------+--------+
| uuid | created_at | name | status | active |
+--------------------------------------+----------------------------+------------+------------------+--------+
| 22c66610-42f2-4ba3-994e-07a0ee0c7fc2 | 2019-06-25T06:11:36.379447 | exsisting2 | deploy->finished | |
+--------------------------------------+----------------------------+------------+------------------+--------+
Using deployment: 22c66610-42f2-4ba3-994e-07a0ee0c7fc2
~/.rally/openrc was updated
HINTS:
* To use standard OpenStack clients, set up your env by running:
source ~/.rally/openrc
OpenStack clients are now configured, e.g run:
openstack image list
rally deployment show
rally deployment list
5.2.2 检查deployment
检查创建的deployment各项服务是否正常,以下是执行结果
[root@kolla ~]# rally deployment check
--------------------------------------------------------------------------------
Platform openstack:
--------------------------------------------------------------------------------
Available services:
+-------------+----------------+-----------+
| Service | Service Type | Status |
+-------------+----------------+-----------+
| __unknown__ | alarming | Available |
| __unknown__ | compute_legacy | Available |
| __unknown__ | event | Available |
| __unknown__ | placement | Available |
| __unknown__ | sharev2 | Available |
| barbican | key-manager | Available |
| cinder | volume | Available |
| cinder | volumev2 | Available |
| cinder | volumev3 | Available |
| cloud | cloudformation | Available |
| glance | image | Available |
| gnocchi | metric | Available |
| heat | orchestration | Available |
| keystone | identity | Available |
| manila | share | Available |
| neutron | network | Available |
| nova | compute | Available |
+-------------+----------------+-----------+
5.3 执行task
Task是Rally执行的一个测试单元,执行Task时需要指定入口文件,可以是json文件或者yaml文件1
rally task start /rally-openstack/samples/tasks/scenarios/nova/boot_ljy.yaml
5.4 应用场景
5.4.1 创建和删除虚拟机
vim boot-and-delete.json
{% set flavor_name = flavor_name or "m1.tiny" %}
{
"NovaServers.boot_and_delete_server": [
{
"args": {
"flavor": {
"name": "{{flavor_name}}"
},
"image": {
"name": "^cirros.*-disk$"
},
"force_delete": false
},
"runner": {
"type": "constant",
"times": 10,
"concurrency": 2
},
"context": {
"users": {
"tenants": 3,
"users_per_tenant": 2
}
},
"sla": {
"failure_rate": {
"max": 0
}
}
},
{
"args": {
"flavor": {
"name": "{{flavor_name}}"
},
"image": {
"name": "^cirros.*-disk$"
},
"auto_assign_nic": true
},
"runner": {
"type": "constant",
"times": 10,
"concurrency": 2
},
"context": {
"users": {
"tenants": 3,
"users_per_tenant": 2
},
"network": {
"start_cidr": "10.2.0.0/24",
"networks_per_tenant": 2
}
},
"sla": {
"failure_rate": {
"max": 0
}
}
}
]
}
5.4.2 创建云盘
[root@kolla cinder]# cat create-volume.json
{
"CinderVolumes.create_volume": [
{
"args": {
"size": 1
},
"runner": {
"type": "constant",
"times": 3,
"concurrency": 2
},
"context": {
"users": {
"tenants": 2,
"users_per_tenant": 2
}
},
"sla": {
"failure_rate": {
"max": 0
}
}
},
{
"args": {
"size": {
"min": 1,
"max": 5
}
},
"runner": {
"type": "constant",
"times": 3,
"concurrency": 2
},
"context": {
"users": {
"tenants": 2,
"users_per_tenant": 2
}
},
"sla": {
"failure_rate": {
"max": 0
}
}
}
]
}
5.4.3 创建和删除网络
rally)[root@control01 ljy]# more create-and-delete-networks.yaml
---
NeutronNetworks.create_and_delete_networks:
-
args:
network_create_args: {}
runner:
type: "constant"
times: 10
concurrency: 1
context:
users:
tenants: 3
users_per_tenant: 3
quotas:
neutron:
network: -1
sla:
failure_rate:
max: 0
5.5 查看task
可使用rally task list,来列出已经执行的task
rally task list
+--------------------------------------+-----------------+---------------------+---------------+----------+--------+
| UUID | Deployment name | Created at | Load duration | Status | Tag(s) |
+--------------------------------------+-----------------+---------------------+---------------+----------+--------+
| 11d01654-4ba6-4adf-9d1e-2612eb9e0716 | existing | 2019-06-25 06:20:27 | 3.244 | finished | |
| 8303c5be-8e0b-435e-82d5-0548ca89553f | existing | 2019-06-25 06:52:17 | 0.0 | crashed | |
| cff605dc-0870-4666-a57b-a7ccf9080a10 | existing | 2019-06-25 06:53:09 | 0.0 | crashed | |
| a434647f-1f2a-4184-b392-65b9107dd5a7 | existing | 2019-06-25 06:53:54 | 52.047 | running | |
+--------------------------------------+-----------------+---------------------+---------------+----------+--------+
5.6 生成web报告
使用rally task report [task_id] --out=[outfile.html]可以生成web格式的测试报告
[root@kolla nova]# rally task report a434647f-1f2a-4184-b392-65b9107dd5a7 --out boot-and-delete.output.html
2019-06-25 15:01:35.452 140808 INFO rally.api [-] Building 'html' report for the following task(s): 'a434647f-1f2a-4184-b392-65b9107dd5a7'.
2019-06-25 15:01:35.481 140808 INFO rally.api [-] The report has been successfully built.
参考文档:
https://www.cnblogs.com/jinyuanliu/p/10948292.html#_label2
https://blog.csdn.net/u013553406/article/details/52026883
rally task start /rally-openstack/samples/tasks/scenarios/nova/boot_ljy.yaml
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