分类 虚拟化云和自动化 articles

MCP多云跨集群pod互访

一、需求(requirement) 最近遇到的客户需求:需要在不同的云服务提供商的k8s上运行容器服务,平时server1访问server2时,使用本集群上的服务,但当本集群上的server2出现异常时,cluster1上的server1可以连接cluster2上的server2服……

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使用华为云API创建相应的云服务

一、华为云IAM认证鉴权及服务API调用 在《定时开关华为公有云虚拟机方法总结》篇幅中有提过,通过apiexplorer可以很方便的进行应用创建调用。不过有些云服务还没有上线apiexplorer,这时候就需要通过原始的API进行调用了。 比如在香港站点Functiongraph开通……

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定时开关华为公有云虚拟机方法总结

一些应用会有明显的波峰波谷,这可以通过使用弹性伸缩(Auto Scaling)云服务或者使用CCE里的as插件来实现服务的弹性伸缩,不过在实际进行项目支持的时候,会遇到有些企业只想定时开关机(关机后,在按需付费模式下只收取硬盘费用,内存和计算资源得到释放,不计费),而不是通过AS服……

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主流云厂商用户认证服务对比

一、云用户认证概述 一个常识性的问题是,你要买云服务,得先开通一个云平台的帐号,如果是一个企业,会涉及很多员工登录,这时候就出现了主帐号和IAM(主流叫法)、RAM(阿里云叫法)帐号,这个逻辑很容易理解,不过如果你还单纯的以为云厂商只在云平台上建几个云帐号就完了,那你有out了,云……

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华为云主机 Auto Scaling 配置测试

华为云 Auto Scaling 服务可根据用户的业务需求和预设策略定时、周期、动态(根据CPU、内存等使用率),这里在一台测试服务上通过安装 web 应用,能过php运行斐波那契数列计算,模拟CPU高资源利用率场景。 一、测试环境和代码 使用的测试OS是Centos 8.2,测试主机使用的是2C 4G的虚拟机,web……

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huaweicloud监控服务CES、AOM、APM

华为云监控相关服务 华为云和性能监控相关的服务有三种,如下: Application Operations Management (AOM 应用运维管理) Application Performance Management (APM 应用性能管理) Cloud Eye(CES 云监控) AOM 与 APM的区别 apm-aom AOM和APM都是和应用相关的,APM偏向于应用之间的链路拓扑、调用链分析等,对应的开源软件有Zipkin,Pinpoint,SkyWa……

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HCIE学习(一)云基础设施

华为认证分为工程师(HCIA)、高级工程师(HCIP)和专家(HCIE)三个认证等级,HCIE认证又根据技术分类分为了云、网络、存储、安全等。本篇开始进行HCIE云服务解决方案架构方向的学习,以下内容来自于华为HCIE架材的总结,该教材可以在华为网站免费下载到。 一、课程架构 HCI……

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Deploy, Scale and rollback an Application with Helm

Introduction Containers have revolutionized application development and delivery on account of their ease of use, portability and consistency. And when it comes to automatically deploying and managing containers in the cloud (public, private or hybrid), one of the most popular options today is Kubernetes. Kubernetes is an open source project designed specifically for container orchestration. Kubernetes offers a number of key features, including multiple storage APIs, container health checks, manual or automatic scaling, rolling upgrades and service discovery. Applications can be installed to a Kubernetes cluster via Helm charts, which provide streamlined package management functions. Assumptions and Prerequisites This guide focuses on deploying an example phpbb application in a Kubernetes cluster running on either Huaweicloud CCE or Minikube. This guide makes the following assumptions: You have a Kubernetes 1.5.0 (or later) cluster. You have kubectl installed and configured to work……

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Create Your First Helm Chart

Introduction For a typical cloud-native application with a 3-tier architecture, the diagram below illustrates how it might be described in terms of Kubernetes objects. In this example, each tier consists of a Deployment and Service object, and may additionally define ConfigMap or Secret objects. Each of these objects are typically defined in separate YAML files, and are fed into the kubectl command line tool. A Helm chart encapsulates each of these YAML definitions, provides a mechanism for configuration at deploy-time and allows you to define metadata and documentation that might be useful when sharing the package. Helm can be useful in different scenarios: Find and use popular software packaged as Kubernetes charts Share your own applications as Kubernetes charts Create reproducible builds of your Kubernetes applications Intelligently manage your Kubernetes object definitions Manage releases of Helm packages Let……

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