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日志记录
10.9. 使用 Loki 启用基于流的保留

10.9. 使用 Loki 启用基于流的保留

其他资源

使用日志记录版本 5.6 及更高版本，您可以根据日志流配置保留策略。这些规则可全局设置，每个租户或两个都设置。如果同时配置这两个，则租户规则会在全局规则之前应用。

要启用基于流的保留，请创建一个 LokiStack 自定义资源(CR)：

基于全局流的保留示例

apiVersion: loki.grafana.com/v1
kind: LokiStack
metadata:
  name: logging-loki
  namespace: openshift-logging
spec:
  limits:
    global: 
      retention: 
        days: 20
        streams:
        - days: 4
          priority: 1
          selector: '{kubernetes_namespace_name=~"test.+"}' 
        - days: 1
          priority: 1
          selector: '{log_type="infrastructure"}'
  managementState: Managed
  replicationFactor: 1
  size: 1x.small
  storage:
    schemas:
    - effectiveDate: "2020-10-11"
      version: v11
    secret:
      name: logging-loki-s3
      type: aws
  storageClassName: standard
  tenants:
    mode: openshift-logging

apiVersion: loki.grafana.com/v1
kind: LokiStack
metadata:
  name: logging-loki
  namespace: openshift-logging
spec:
  limits:
    global:


      retention:


        days: 20
        streams:
        - days: 4
          priority: 1
          selector: '{kubernetes_namespace_name=~"test.+"}'


        - days: 1
          priority: 1
          selector: '{log_type="infrastructure"}'
  managementState: Managed
  replicationFactor: 1
  size: 1x.small
  storage:
    schemas:
    - effectiveDate: "2020-10-11"
      version: v11
    secret:
      name: logging-loki-s3
      type: aws
  storageClassName: standard
  tenants:
    mode: openshift-logging

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Toggle word wrap

1: 为所有日志流设置保留策略。注：此字段不会影响存储在对象存储中的保留周期。
2: 当此块添加到 CR 时，集群中会启用保留。
3: 包含用于定义日志流的 LogQL 查询。

基于租户流的保留示例

apiVersion: loki.grafana.com/v1
kind: LokiStack
metadata:
  name: logging-loki
  namespace: openshift-logging
spec:
  limits:
    global:
      retention:
        days: 20
    tenants: 
      application:
        retention:
          days: 1
          streams:
            - days: 4
              selector: '{kubernetes_namespace_name=~"test.+"}' 
      infrastructure:
        retention:
          days: 5
          streams:
            - days: 1
              selector: '{kubernetes_namespace_name=~"openshift-cluster.+"}'
  managementState: Managed
  replicationFactor: 1
  size: 1x.small
  storage:
    schemas:
    - effectiveDate: "2020-10-11"
      version: v11
    secret:
      name: logging-loki-s3
      type: aws
  storageClassName: standard
  tenants:
    mode: openshift-logging

apiVersion: loki.grafana.com/v1
kind: LokiStack
metadata:
  name: logging-loki
  namespace: openshift-logging
spec:
  limits:
    global:
      retention:
        days: 20
    tenants:


      application:
        retention:
          days: 1
          streams:
            - days: 4
              selector: '{kubernetes_namespace_name=~"test.+"}'


      infrastructure:
        retention:
          days: 5
          streams:
            - days: 1
              selector: '{kubernetes_namespace_name=~"openshift-cluster.+"}'
  managementState: Managed
  replicationFactor: 1
  size: 1x.small
  storage:
    schemas:
    - effectiveDate: "2020-10-11"
      version: v11
    secret:
      name: logging-loki-s3
      type: aws
  storageClassName: standard
  tenants:
    mode: openshift-logging

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Toggle word wrap

1: 根据租户设置保留策略。有效的租户类型是 应用、audit 和 infrastructure。
2: 包含用于定义日志流的 LogQL 查询。

应用 LokiStack CR：
```
oc apply -f <filename>.yaml
```
```
$ oc apply -f <filename>.yaml
```
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注意

这不适用于为存储的日志管理保留。使用对象存储配置存储在支持的最大 30 天的全局保留周期。

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10.9. 使用 Loki 启用基于流的保留

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