事件上报实体关系

[xuezechao1]

【修复issue】#1099

【修改内容】

backend模块增加以下实体定义：

• agent运行环境集群信息实体：ClusterEntity
• agent运行环境信息实体： EnvironmentEntity
• 事件实体： EventInfoEntity
• 事件等级实体：EventLevel
• 事件信息实体：EventMessageEntity
• 事件类型实体：EventType
• agent实例元数据信息实体：InstanceMeta
• 节点信息实体：NodeEntity

【用例描述】

不需测试用例

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.06 ⚠️

Comparison is base (e999e47) 18.66% compared to head (1d88fe3) 18.61%.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #1104      +/-   ##
=============================================
- Coverage      18.66%   18.61%   -0.06%     
  Complexity      1396     1396              
=============================================
  Files            768      776       +8     
  Lines          16922    16970      +48     
  Branches        1843     1843              
=============================================
  Hits            3159     3159              
- Misses         13361    13409      +48     
  Partials         402      402              

Flag	Coverage Δ
unittests	18.61% <0.00%> (-0.06%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...weicloud/sermant/backend/entity/ClusterEntity.java	0.00% <0.00%> (ø)
...loud/sermant/backend/entity/EnvironmentEntity.java	0.00% <0.00%> (ø)
...icloud/sermant/backend/entity/EventInfoEntity.java	0.00% <0.00%> (ø)
...huaweicloud/sermant/backend/entity/EventLevel.java	0.00% <0.00%> (ø)
...oud/sermant/backend/entity/EventMessageEntity.java	0.00% <0.00%> (ø)
.../huaweicloud/sermant/backend/entity/EventType.java	0.00% <0.00%> (ø)
...aweicloud/sermant/backend/entity/InstanceMeta.java	0.00% <0.00%> (ø)
...huaweicloud/sermant/backend/entity/NodeEntity.java	0.00% <0.00%> (ø)

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[robotLJW]

/lgtm