K8S控制器类型：RC/RS、Deployment、DaemonSet、Job和CronJob、StatefulSet、HPA

迈不过友情╰ 2023-10-06 11:01 39阅读 0赞

![在这里插入图片描述][20200613171504412.png]

### 控制器类型 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70]

### RC/RS ###

![在这里插入图片描述][20200613171621505.png]

*  命令式编程就类似于面向过程
 *  声明式编程就类似于面向对象  
    sql语句就是典型的声明式编程语言

### Deployment ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70 1]

*  Deployment是通过RS来创建和管理pod的  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70 2]

### DaemonSet ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70 3]

### Job和CronJob ###

> 批处理用job来解决是首选方案

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70 4]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70 5]

### StatefulSet ###

> mysql作为有状态服务部署进k8s集群并不稳定。

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70 6]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70 7]

### HPA ###

HPA是用于控制上述控制器的，比如将pod副本数量扩容或缩容  
![在这里插入图片描述][20200613173643327.png]

[20200613171504412.png]: https://img-blog.csdnimg.cn/20200613171504412.png
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[20200613171621505.png]: https://img-blog.csdnimg.cn/20200613171621505.png
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[20200613173643327.png]: https://img-blog.csdnimg.cn/20200613173643327.png