Secret secret credentials of Kubernetes(k8s)

What is Secret The main function of Secret is to keep private data, such as password, OAuth token and ssh key. Secret is subordinate to the Service Account resource object and a part of the Service Account. A Service Account object can include multiple different secret objects, which are used for authentication activities for different pu ...

Posted by Sonu Kapoor on Sun, 02 Jan 2022 00:15:59 +0100

Kubernetes builds Kafka and Zookeeper clusters (complete tutorial)

This paper completely introduces how to build Kafka and zookeeper clusters in K8S, and automatically expand the broker ID and zookeeper cluster information when expanding Pod by modifying the image, without manual intervention. 1, Service version information: Kafka: v2.13-2.6.0Zookeeper: v3.6.2Kubernetes: v1.18.4 2, Create a Zookeeper image ...

Posted by AstroTeg on Sat, 01 Jan 2022 00:17:36 +0100

Jenkins for Kubernetes enables dynamic scaling of Slave

This article case can be used as a reference for Jenkins for Kubernetes deployment. Because the architecture and environment of each company are different, some deployment methods need to be changed. Benefits of Jenkins for Kubernetes: High availability of Jenkins Master. Kubernetes' RC or Deployment can monitor the survival status (through p ...

Posted by ShaolinF on Thu, 30 Dec 2021 04:56:19 +0100

System D process management

systemd introduction systemd is the main system daemon management tool on Linux system at present. On the one hand, init manages the process serially, which is prone to blocking. On the other hand, init only executes the startup script and cannot manage the service itself. Therefore, starting from CentOS 7, init has been replaced by systemd as ...

Posted by juuuugroid on Tue, 28 Dec 2021 17:37:02 +0100

k8s connects to external ceph cluster

In order to deploy stateful services, we need to provide k8s with a set of persistent storage scheme. We use ceph as the underlying storage. Generally, there are two types of k8s docking ceph: Deploy and connect ceph through rook, and use k8s to provide ceph services. The official document of rook is very detailed, and there is also the fix ve ...

Posted by kishore_marti on Mon, 27 Dec 2021 22:53:56 +0100

Explain the rainbow ingress universal domain name resolution mechanism in detail

Rainbond As a cloud native application management platform, it is born with a distributed gateway RBD gateway to guide north-south network traffic. Different from the general progress configuration, users need to define their own domain name experience. The gateway policy of rainbow can automatically generate a domain name access policy with on ...

Posted by konrad on Mon, 27 Dec 2021 19:00:13 +0100

k8s, distributed storage Ceph RBD usage

preface The last article introduced k8s how to use pv/pvc and cephfs,K8s (XI). Use of distributed storage Cephfs Ceph storage has three storage interfaces:Object store Ceph Object Gateway Block device RBD File system CEPHFS Kubernetes supports the latter two storage interfaces, and the supported access modes are as follows: In this article, ...

Posted by neutra on Mon, 27 Dec 2021 10:21:28 +0100

Detailed explanation of k8s service

Detailed explanation of k8s service Kubernetes Service defines such an abstraction: a logical set of pods, a policy that can access them - commonly known as microservices. This group of pods can be accessed by the Service, usually through the selector. For example, consider an image processing backend that runs three copies. These copies ...

Posted by xadmin on Sun, 26 Dec 2021 18:53:15 +0100

kuburnetes service exposed port and its application

service exposes ports in the same way as agent 1. How kubernetes exposes ports clusterIP This type will provide a virtual IP within the cluster (not in the same network segment as the pod) for communication between pods within the cluster. clusterIP is also the default IP of kubernetes service Type mainly requires the following components Coo ...

Posted by deepson2 on Sun, 26 Dec 2021 18:26:30 +0100

Application of Kubernetes(k8s) Workload Controller

What is a workload controller Workload Controller Concepts Workload Controllers are an abstract concept of K8s for deploying and managing Pod s at higher levels of objects. Common workload controllers Deployment: Stateless application deployment StatefulSet: Stateful application deployment DaemonSet: Make sure all Node s run the same Pod ...

Posted by christiank on Sun, 26 Dec 2021 17:53:14 +0100