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本文假设您已经将 K8S(kubernetes) 集群环境搭建好了,如需查看如何搭建 K8S 集群,请参阅文档https://kubernetes.io/docs/home/。
另外,在部署时还需要一个数据库(SqlServer、Mysql、Postgres 或 Oracle)。
1. 单击如下链接下载zip文件并解压。
https://downloads.grapecity.com.cn/WynEnterprise/7.0.01145.0/wyn-k8s-7.0.01145.0.zip
解压后为三个文件:
2. 在每个worker节点中创建“conf”文件夹(服务可以自动创建monetdb5-data和logs文件夹),然后更新 pv/pv.yaml 文件中的“hostPath”。
3. 更新 conf/Wyn.conf 中的数据库连接字符串,然后将文件复制到您在上一步中创建的“conf”文件夹中。
4. 获取主机名。
执行以下命令获取主机名。
kubectl get nodes
5. 用上一步获取的主机名更新“services/analysisdb.yaml” 文件中的 nodeSelector。
6. 将“pv”和“services”文件夹复制到主节点。
执行以下命令来创建 volume.
kubectl apply -f pv
执行以下命令来创建服务。
kubectl apply -f services
7. 至此,Wyn 已经部署在 k8s 集群中。可以使用以下命令获取 pod 状态,等待所有 pod 准备就绪。您可以通过 http://<主节点IP>:30000 访问站点。
kubectl get pods
目前,推荐将 cot-worker、reporting-worker、dashboard-worker、server 和 scheduler service 部署在多个实例中。
部署多个 cot-worker、reporting-worker、dashboard-worker、server 实例时仅需修改对应配置文件(“services/cot-worker.yaml”、“services/reporting-worker.yaml”、“services/dashbaord-worker.yaml”、“services/server.yaml”)中 replicas 的值为所需的实例数即可。
建议仅在启用多 Server 时再部署多个 Scheduler Service。
部署多个 scheduler service 时,除了修改“services/scheduler.yaml.yaml”中 的 replicas 外。
还需修改主节点上的 Wyn.conf 文件,开启多 Scheduler Service 部署。
下图为修改前后的对比图示例,左侧为修改前,右侧为修改后。
type=info
提示
启用多个调度服务时,应使用 SchedulerConfig > ServiceDiscovery 而不是 SchedulerConfig > ServerHost。
GlobalSettings > SchedulerConfig > ServiceDiscovery > ConfigString 是 Redis 的连接字符串。它可以使用与 Server > Cache > DistributedMemoryCache > ConfigString 相同的连接字符串。
建议与 SchedulerService > SchedulerConfig > MultipleConfig > DistributedQuartz 中的 Server >Storage 使用相同的数据库连接字符串(仅 database 不同)。
SchedulerService > SchedulerConfig > MultipleConfig > DistributedMemoryCache > ConfigString 是 Redis 的连接字符串。它可以使用与 Server > Cache > DistributedMemoryCache > ConfigString 相同的连接字符串。
功能角色表示可以分配给 Worker 的任务类型, Cot Worker 和 Report Worker 支持多种功能角色。
Cot Worker 支持的功能角色包括:刷新数据集缓存和刷新数据模型缓存。
Report Worker 支持的功能角色包括:预览、计划任务、导出和其他。
部署多个 Cot Worker 或 Report Worker 后,就可以根据需要指定 Worker 的功能角色。 而 Dashboard Worker 仅支持一种功能角色,所以无需再进行指定。
比如导报表需求量大,就可以指定一个配置较高的 Report Worker 专门负责导出,而其他任务量小,就分配到其他机器上,从而充分利用资源提高系统性能。分配功能角色时要保证功能全覆盖,不能将所有的 Worker 都分配成同一两种功能角色,而其他功能角色无 Worker 可用。
接下来介绍如何为 Cot Worker 和 Report Worker 指定功能角色。
默认情况下,Cot Worker 支持所有功能角色,即刷新数据集缓存和刷新数据模型缓存。如果想指定特定的功能角色,请按照下列步骤进行操作。
单独指定刷新数据集缓存
1. 备份原 cot-worker.yaml 文件。
cd services
mv cot-worker.yaml cot-worker.yaml.origin
2. 创建 cot-worker-cot.yaml。
cp cot-worker.yaml.origin cot-worker-cot.yaml
3. 修改名称,将刷新数据集缓存功能角色添加到环境变量中。
vi cot-worker-cot.yaml
# modify the name from wyn-cot-worker to wyn-cot-worker-cot
# add the refresh dataset cache functional role to environment variables
- name: FunctionalRoles
value: cot
单独指定刷新模型缓存
1. 在 services 文件夹中备份原 cot-worker.yaml 文件。
cd services
mv cot-worker.yaml cot-worker.yaml.origin
2. 创建 cot-worker-model.yaml。
cp cot-worker.yaml.origin cot-worker-model.yaml
3. 修改名称,将刷新模型缓存功能角色添加到环境变量中。
vi cot-worker-model.yaml
# modify the name from wyn-cot-worker to wyn-cot-worker-model
# add the refresh model cache functional role to environment variables
- name: FunctionalRoles
value: model
默认情况下,Report Worker 支持所有功能角色,即预览、计划任务、导出和其他。如果想指定特定的功能角色,请按照下列步骤进行操作。
单独指定预览功能角色
1. 在 services 文件夹中备份原 reporting-worker.yaml 文件。
cd services
mv reporting-worker.yaml reporting-worker.yaml.origin
2. 创建 reporting-worker-preview.yaml。
cp reporting-worker.yaml.origin reporting-worker-preview.yaml
3. 修改名称,将预览功能角色添加到环境变量中。
vi reporting-worker-preview.yaml
# modify the name from wyn-reporting-worker to wyn-reporting-worker-preview
# add preview functional roles to environment variables
- name: FunctionalRoles
value: preview
单独指定计划任务功能角色
与单独指定预览功能角色的步骤类似,不再重复介绍。最终文件截图如下。
单独指定导出功能角色
与单独指定预览功能角色的步骤类似,不再重复介绍。最终文件截图如下。
单独指定其他功能角色
与单独指定预览功能角色的步骤类似,不再重复介绍。最终文件截图如下。
我们支持使用界面或 API 两种方式下载产品日志,不包含 k8s 集群环境的日志。
在后台管理界面中可以一键打包下载系统的日志和配置文件,便于排查问题。
下载时可勾选日志或配置文件,下载日志时也可以选择具体的服务名称和时间范围。
选择完成后,单击下载按钮即可下载。下载后是一个压缩包。
您可以自行分析也可以联系我们的技术支持帮助您定位问题。
GET /api/node/download/logs?&nodeIds=&pattern={date_interval_pattern}&isDownSystemInfo=false&isDownSystemConf={true/false}&modules={modules}
type=info
提示
请将所有日志都挂载到同一个持久存储的目录中,否则将无法获取到所有日志。
由于 K8S 环境部署产品时,后台管理中没有系统配置项,所以没办法在界面中完成跨域配置。那么如需进行跨域配置就要手动修改 Wyn.conf 文件,添加跨域配置。
在 Server 节点中添加如下内容后重启系统。
<Cors>
<AllowedOrigins>
<ys:string>允许跨域资源共享的地址</sys:string>
</AllowedOrigins>
<ExposedHeaders>
<sys:string>允许返回的响应头1</sys:string>
<sys:string>允许返回的响应头2</sys:string>
</ExposedHeaders>
</Cors>
例如: