kubernetes service discovery

services ' IP, ports and other information in the same way as the environment variables when starting each service. 12.2 Creating Kube-dns$ kubectl create -f ~/kubernetes-starter/target/services/kube-dns.yaml#看看启动是否成功$ kubectl -n kube-system get pods13. Try sledgehammer again.Finally, the secure version of the Kubernetes cluster we deployed is complete.Next

Outline: ? How to discover services in Kubernetes ? How to discover the services provided by pod ? How to use service discovery Services ? How to use the Kube-dns discovery service ? Kube-dns principle ? Composition ? Domain name format ?

Service discovery mechanism Kubernetes provides two ways to discover the service:1. Environment Variables When the pod is running, Kubernetes writes the information for the service that existed before This method requires that

Outline: How to discover services in KubernetesHow to discover how pod-provided services use the Service Discovery service to use the Kube-dns discovery service Kube-dns principleCompose domain name format configuration Note: This share is based on the

I. Introduction of COREDNSKubernetes includes the DNS server Kube-dns for service discovery. The DNS server leverages Skydns's libraries to provide DNS requests for kubernetes pods and services. SkyDNS2 's author, Miek Gieben, created a new DNS server, Coredns, which was built with a more modular, extensible framework. Infoblox has partnered with Miek to use this

uses iptables NAT to complete service discovery. Now the inference-service-0 back-end Agent 1 Pod,ip is xx.xx.xx.xx, see kube-proxy corresponding to write iptables rules: $ sudo iptables-s-T nat | grep KUBE -N Kube-mark-drop -N KUBE-MARK-MASQ -N Kube-nodeports -N kube-postrouting -N Kube-sep-gycdliys6q7266wo -N Kube-sep-rvisloli7kkadqka -N kube-services -N KUBE-

Kubernetes Service Discovery has two ways of environment variables and DNS The way of environment variables In the way of environment variable, SVC must be started before RC, otherwise the cluster IP-related environment variables of this SVC will not be available in other pod. How DNS is DNS must be started, then the resolve.conf file in the container in the

Kube-dns compositionKube-dns can solve the service discovery problem, k8s registers the service name as a domain name into Kube-dns, and can access the services it provides through the name of the service.Kube-dns of four components: ETCD, which is used to save DNS rules. kube2sky, the role is to write DNS rules. skydns, provides DNS resolution services.

Using Network Service Discovery, showed you how to discover services that are connected to a local network. however, using Wi-Fi Direct trad; Service Discovery allows you to discover the services of nearby devices directly, without being connected to a network. you can also advertise the services running on your devic

的ip为127.0.0.1，端口为8888 naming.registerInstance(serviceName, "100.81.0.35", 8080); Thread.sleep(Integer.MAX_VALUE);}Among them, the first step is to construct a Nacos service instance, construct an instance of the parameter, is a string, the value of the specification is ip:port, this IP, is any one of our Nacos server address, we click to see this method:public static NamingService createNamingService(String serverAddr) throws NacosException {

we have changed the port that the Python app listens to, so we need to rewrite the environment variable Sa_logic_api_url):$ docker run -d -p 8080:8080 -e SA_LOGIC_API_URL='http://3. Run the Sa-frontend container:docker run -d -p 80:80 $DOCKER_USER_ID/sentiment-analysis-frontendAnd then it's ready. Open localhost:80 in the browser.Note: If you change the port of Sa-webapp, or use the IP of the Docker machine, then you need to update the app.js in Sa-frontend and let Analyzesentence get the URL f

the number of instances of the class, interface data even if the 100,000 level, For zookeeper in the tree size is larger, and zookeeper is strong consistency, when a node hangs, the data synchronization between the nodes will affect the use of the line, and Springcloud is much better, the instance level is less one magnitude, the other consul is not strong consistent. The third is that although kubernetes,kubern