kubernetes postgresql

First, IntroductionHeapster is a cluster-wide monitoring and event data aggregator. It natively supports kubernetes and can be run on all kubernetes settings. Heapster is run as a cluster in a group, similar to how any other kubernetes application runs. InfluxDB is an open source database written in go that is designed to handle time-series data with hi

in the previous section we discussed the services running on the Kubernetes architecture Master,This section discusses node nodes. Node is where the Pod runs, Kubernetes supports Docker, Rkt, and other container runtime. The Kubernetes components running on node have Kubelet, Kube-proxy, and Pod networks (such as flannel).KubeletKubelet is the agent of node, and

GlusterFSGlusterfs is an open-source, scale-out file system. These examples provide information about how to allow containers to use glusterfs volumes.The example assumes that you have set up the Glusterfs server cluster and is ready to use the running Glusterfs volume in the container.PrerequisiteThe Kubernetes cluster has been built.Installation of the Glusterfs clusterEnvironment IntroductionOS System: Centos 7.xGlusterfs of two nodes: 192.168.22.2

The problem of network error in Kubernetes System environment#系统版本cat /etc/redhat-releaseCentOS Linux release 7.4.1708 (Core)#kubelet版本kubelet --versionKubernetes v1.10.0#selinux状态getenforceDisabled#系统防火墙状态systemctl status firewalld● firewalld.service - firewalld - dynamic firewall daemonLoaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)Active: inactive (dead) Docs: man:firewalld(1) Pod anomaly Problem#d

Scheduler Source Analysis The last article mainly introduces the principle kubernetes principle of Kubernetes Scheduler--schedulerThis article mainly carries on the analysis to the Kubernetes Scheduler module source code. Scheduler Source Structure Kubernetes Scheduler module in the

This article starts with my public number clouddeveloper, and you are welcome to join me in learning cloud computing. From the previous article we know that Kubernetes born in the borg,borg of Google in the beginning of the birth of Kubernetes has been in the internal battle of Google more than 10 years, and does not say its history has a long tradition, it is from Google that talented engineers hand, K

First, prefaceKubernetes is the Google Open Source container cluster management system, based on Docker to build a container scheduling service, providing resource scheduling, balanced disaster recovery, service registration, dynamic expansion capacity and other functional suites, currently the latest version is 0.6.2. This article describes how to build Kubernetes platform based on Centos7.0, before it is formally introduced, it is necessary to under

How to obtain a Kubernetes image in China I. background As we all know, due to domestic network reasons, when building a Kubernetes environment, we often encounter situations where necessary images cannot be found. After all, it is not a good way to pick up junk in DockerHub. This article will teach you how to build your own image repository in DockerHub. Requirement: You have a GitHub account and a DockerH

Use Rancher's RKE to quickly deploy a Kubernetes Cluster Brief description: This article involves three Ubuntu machines, one RKE deployment machine (192.168.3.161), and two Kubernetes cluster machines (3.162 and 3.163 ). First on a Windows machine, download the rke_linux-amd64 from github, rename it rke, edit the cluster. the yml cluster deployment file uses the pscp Command provided by putty to upload the

, indicates the use of Host network volumes: #在该pod On the definition shared storage Volume List-name:string #共享存储卷名称 (there are many types of volumes) Emptydir: {} #类型为emtyDir的存储卷, a temporary directory with the pod's life cycle. A null-value hostpath:string #类型为hostPath的存储卷 that represents the directory path:string the host where the pod is mounted, and will be used for the same time Mount directory #Pod所在宿主机的目录. Secret: #类型为secret的存储卷, mount the cluster with the defined Secre ob

Introduction to deploying Calico Network Calico Components: The Felix:calico agent runs on each node, setting network information for the container: IP, routing Rules, iptable rules, etc. Etcd:calico Back-End storage BIRD:BGP Client: Responsible for broadcasting Felix's routing information set on each node to the Calico network (via the BGP Protocol). BGP Route Reflector: Hierarchical routing distribution for large-scale clusters. Calico:calico command-line administratio

With the popularity of micro-service architectures and the trend of cloud-native, containerized microservices have become the best product of continuous delivery and have become the kubernetes best ecosystem for operation and maintenance containers. Practice out of knowledge, since kubernetes the study, wrote a series of articles, in order to be able to learn from each other, to find knowledge of the loopho

The current skaffold version is v0.4 and has not yet been released, and is not recommended for use in production environments;Skaffold is used for developer rapid deployment programs to Kubernetes,Skaffold provides dev, run two modes , and Skaffold requires a skaffold configuration file that defines Skaffold workflow ；The Skaffold workflow defines three main stages : Build, Push, Deploy;First, BuildDuring the build phase, Skaffold uses the dockerfile

As early as half a year ago, the company began to implement the container deployment scheme Appos, although the publishing interface is too geek, very obscure, but carefully studied really feel very powerful, after the implementation of the container, computing resources (CPU, memory) utilization can be greatly improved, reduce the number of servers, thereby saving technical costs. Coincidentally, a number of friends in the start-up companies are also recently trying to do micro-services, contai

[TOC]Introduction to Rolling UpdatesWhen a service in a kubernetes cluster needs to be upgraded, it is a traditional practice to go offline with the service that is being updated, to update the version and configuration after the business is stopped, and then to restart and provide the service. If the business cluster is large, this work becomes a challenge, and all stops first, and the gradual escalation will result in the service being unavailable f

Add/Remove node to Kubernetes cluster Minion node pre-operation preparation#关闭防火墙systemctl stop firewalld#禁止防火墙开机启动systemctl disable firewalld#检查selinuxgetenforceDisabled#端口检查 Add node to the Kubernetes clusterWhen the KUBEADM Init initialization operation is complete, the system finally gives the command to join the node to the cluster:kubeadm join 10.0.0.39:6443 --token 4g0p8w.w5p29ukwvitim2ti --dis

"Editor's words" The Kubernetes Scheduler dispatches the pod to the work node according to a specific algorithm and strategy. By default, the Kubernetes scheduler can meet most of the requirements, such as scheduling pods to run on resource-rich nodes, or scheduling pod dispersal to different nodes to make cluster nodes resource balanced. However, in some special scenarios, the default scheduling algorithm

1. Foreword In the last article "Kubernetes Scheduler Module Analysis", the Scheduler scheduling process and the main algorithm are analyzed. From the overall grasp of the scheduler scheduling mechanism, today want to continue to analyze the more detailed content. 2. Summary Today, we mainly analyze the caching mechanism of scheduler, Extender extension mechanism and tainttoleration mechanism. These three aspects, although not so macroscopic, but for

: -Mountpath: /etc/ssl/certs name:ca-certificates readonly:true -Mountpath:/varName:Grafana-Storage env: -Name:Influxdb_host value:Monitoring-Influxdb-Name:Gf_server_http_port value: " the"# The following env variables is required to make Grafana accessible via # the Kubernetes API-ServerProxy. on Production clusters,We recommend # Removing these env variables,Setup Auth forGrafana,and expose the Grafana # service using a loadbalancer

PostgreSQL installation and configuration tutorial on Windows and postgresql installation tutorial PostgreSQL extension PostGIS is the most famous open source GIS database.Installing PostgreSQL is the first step. 1. Download the binary Installation File of PostgreSQL.