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 Therefore, starting from CentOS 7, init has been replaced by systemd as ...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