API调用实现华为云OBS对象的调用

对象存储由于具有高空间、低费用、可直接URL调用访问等特点,是最常见的存储方式之一。主流的云厂商都有相关的云服务,AWS的s3、Azure Blob stroage、GCP cloud stroage、华为阿里的OBS。在开启匿名访问后,任何人都可以通过对应的URL访问到对应的对象,所以出于安全原因,……

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使用Correlation ID定位微服务问题

软件架构微服务化后,虽然软件间的耦合性更好了,不过在出现问题后,增加了定位问题的困难,所以就出现了 Correlation ID 来方便问题定位。首先我们看下关于 Correlation ID 在流程中的传输过程如下图:的定义描述。 The correlation identifier is a unique identifier attached to each request in architecture. The correlation ID is not an error number or code. Simply, it’s a GUID (globally unique identifier) that’s automatically generated for every request. There is no standard format for the correlation……

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k8s helm安装redis

一、helm 安装 redis 通过 helm 安装redis的方法如下: 1[root@testcce-92497 ~]# helm install my-release oci://registry-1.docker.io/bitnamicharts/redis --set global.storageClass=csi-disk 2[root@testcce-92497 ~]# export REDIS_PASSWORD=$(kubectl get secret --namespace default my-release-redis -o jsonpath="{.data.redis-password}" | base64 -d) 3[root@testcce-92497 ~]# echo $REDIS_PASSWORD 4ejL6JhgNNs 5[root@testcce-92497 ~]# kubectl get pods 6NAME READY STATUS RESTARTS AGE 7my-release-redis-master-0 1/1 Running 0 2m41s 8my-release-redis-replicas-0 1/1 Running 0 2m41s 9my-release-redis-replicas-1 1/1 Running 0 100s 10my-release-redis-replicas-2 1/1 Running 0 62s 11[root@testcce-92497 ~]# kubectl get svc 12NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE 13kubernetes ClusterIP 10.247.0.1 <none> 443/TCP 8d 14my-release-redis-headless ClusterIP None <none> 6379/TCP 13m 15my-release-redis-master ClusterIP 10.247.153.87 <none> 6379/TCP 13m 16my-release-redis-replicas ClusterIP 10.247.3.245 <none> 6379/TCP 13m 这里默认安装的是 1 master 3 replicas 架构,这个可以从 artifacthub 网站……

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k8s StatefulSet启用Redis Cluster搭建

一、安装和配置Redis 1、无数据持久化的redis 这里先根据启用一个最简单的 Redis 服务: 1apiVersion: apps/v1 2kind: StatefulSet 3metadata: 4 name: redis 5spec: 6 selector: 7 matchLabels: 8 app: redis 9 serviceName: redis 10 replicas: 3 11 template: 12 metadata: 13 labels: 14 app: redis 15 spec: 16 containers: 17 - name: redis 18 image: redis:latest 19 ports: 20 - containerPort: 6379 21 volumeMounts: 22 - name: data 23 mountPath: /data 24 volumeClaimTemplates: 25 - metadata: 26 name: data 27 spec: 28 accessModes: ['ReadWriteOnce'] 29 storageClassName: "csi-disk" 30 resources: 31 requests: 32 storage: 1Gi 启动登录后,会发现在/data 目录……

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Huaweicloud helm安装PostgreSQL HA

在 《Huaweicloud CCE helm install Bitnami PostgreSQL》写了下如何通过helm部署单节点 PG 和 master/standy架构。但神奇的会发现 Bitnami 除了提供这个helm chart外,还有一个 PostgreSQL HA 的chart,两者之间有何异同呢? 一、PostgreSQL-HA 和 PostgreSQL Helm chart之间的差异 有两……

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Huaweicloud CCE helm install Bitnami PostgreSQL

Bitnami is a company that provides pre-packaged software stacks for popular open source applications(Belong the VMware Sub-company). Here are some of the benefits of using Bitnami stacks: Easy to install and use Regularly updated with security patches and bug fixes Available for a variety of platforms Wide range of applications available Community support So we are install the postgresql to Huaweicloud CCE platform (A famous k8s commercial platform ) today . 1. Install the helm3 Note: we need install the newest version from helm official website , we cannot use the huaweicloud official document (the website offer the old helm version , there will be have the error Error: parse error at (postgresql/templates/_helpers.tpl:164): unclosed action) Install helm command like this: 1curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get-helm-3 > get_helm.sh 2chmod 700 get_helm.sh 3./get_helm.sh 4 5# or one line command like this: 6curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash 2.……

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k8s install PostgreSQL StatefulSet

In the following set of exercises StatefulSets are presented in a practical manner. The PostgreSQL [11] RDBMS is used as an example as the database is both widely known and of great utility to any developer. The goal of the exercises are not to build a production grade automation for PostgreSQL but to illustrate StatefulSet concepts. Designing the StatefulSet In order to create the PostgreSQL StatefulSet we proceed with the following steps: Identify or build (a) container image(s) Specify a headless Service Specify a StatefulSet Provision the Service and StatefulSet Conduct simple experiments Start with finding a container image. The Container Image An essential part of the StatefulSet for PostgreSQL is the database server itself. Luckily, there is no need to containerize PostgreSQL as this as already been done. Hence, use the official PostgreSQL Docker Image found at Docker Hub [1].……

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AWS、Azure、GCP的生成式AI产品

ChatGPT, which is mainly invested by Microsoft, sparked a wave of generative AI. Corresponding google launched bard to fight and defend. The top three cloud vendors AWS, Azure, and GCP have also launched cloud services related to generative AI. This article summarizes the three corresponding main products. ChatGPT引发了生成式AI的火热浪潮,ChatGPT主要是由微软进行投资的。对应的Google推出了bard以对抗和防守。前三的云厂商AWS、Azure、GCP也推出了生成式AI相关……

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