3. Grafana使用InfluxDB作为数据源,呈现图表

2022-01-14 17:31:17 浏览数 (1)

参考文献

Using InfluxDB in Grafana

准备InfluxDB的相关查询语句

代码语言:javascript复制
> SELECT * FROM  "CPU_All3"  WHERE time < now() - 5m and "Idle%" =~ /94.5/ and host =~ /qc_predepl_cms/
name: CPU_All3
time                Cpus Idle% Steal% Sys% User% Wait% host
----                ---- ----- ------ ---- ----- ----- ----
1551689409000000000 4    94.5  0      0.9  0.7   3.9   qc_predepl_cms-ngx-02
>
> SELECT * FROM "CPU_All3" WHERE host =~ /qc_predepl_cms/ limit 10
name: CPU_All3
time                Cpus Idle% Steal% Sys% User% Wait% host
----                ---- ----- ------ ---- ----- ----- ----
1551689409000000000 4    94.5  0      0.9  0.7   3.9   qc_predepl_cms-ngx-02
1551689412000000000 4    99.8  0      0.2  0.1   0     qc_predepl_cms-ngx-02
1551689415000000000 4    99.5  0      0    0.1   0.4   qc_predepl_cms-ngx-02
1551689418000000000 4    99.4  0      0.1  0.1   0.4   qc_predepl_cms-ngx-02
1551689421000000000 4    99.7  0      0.2  0.2   0     qc_predepl_cms-ngx-02
1551689424000000000 4    99.7  0      0.1  0.1   0.2   qc_predepl_cms-ngx-02
1551689427000000000 4    99.5  0      0.2  0.2   0.2   qc_predepl_cms-ngx-02
1551689430000000000 4    99.7  0      0.2  0.2   0     qc_predepl_cms-ngx-02
1551689433000000000 4    99.7  0      0.1  0.2   0.1   qc_predepl_cms-ngx-02
1551689436000000000 4    99.8  0      0.1  0.1   0     qc_predepl_cms-ngx-02
>

下面就在Grafana执行SELECT * FROM "CPU_All3" WHERE host =~ /qc_predepl_cms/查询出表里面的数据,并呈现在Grafana中。

配置Grafana的数据源

填写基本连接访问influxdb数据库的信息,点击下方的test按钮,可以测试是否连接成功。

创建Table表

点击表格的Edit按钮,就可以进入编辑页面,下面主要讲如何获取数据到图表呈现。

设置数据的查询语句,并图表呈现

设置好查询语句,因为我的数据是3月4号的,所以还要设置一下时间区间才可以查询出来,如下:

制造曲线图

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