download to the server with your browser and then execute the following commandTo add executable permissions to Cfssl:chmod +x cfssl_linux-amd64 cfssljson_linux-amd64 cfssl-certinfo_linux-amd64Then move the file to this location:MV Cfssl_linux-amd64/usr/local/bin/cfsslMV Cfssljson_linux-amd64/usr/local/bin/cfssljsonMV Cfssl-certinfo_linux-amd64/usr/local/bin/cfssl-certinfo2. Generate certificateCertificate Usage in k8s componentsCreate a folder in the server, landlord I was in the Mkdir/home/ss
This is a creation in
Article, where the information may have evolved or changed.
Objective
This article describes how Kube-apiserver accesses the ETCD back-end storage
Related source code mainly in Kubernetes/staging/src/k8s.io/apiserver/pkg/storage
Universal interface
Interface offers a common Interface for object marshaling/unmarshaling operations and hides all the storage-related Operat Ions behind it (original note)
// kubernetes/vendor/k8s.io/ap
ETCD Simple Installation
1. Installation of Go
You can download the binary package directly on the website: https://golang.org/dl/
Https://storage.googleapis.com/golang/go1.6.3.linux-amd64.tar.gz
Set Environment variables:
Export path= $PATH:/usr/local/go/bin/
Installation of 2.ETCD
Here is the way to compile:
git clone https://github.com/coreos/etcd.git
cd Etcd
This is a creation in
Article, where the information may have evolved or changed.
Source: Personal blog Address: http://www.damonyi.cc/?p=194
The project uses the ETCD database to store the container's information and the application's domain name information, and ETCD the Golang code of the operation.
1. Write container information to the specified directory
C, err: = Common. Getetcdclient () if err! = Ni
[[email protected] ~]# Vim/etc/salt/master =============> at the bottom of the configuration file, add the following contentEtcd_pillar_config:etcd.host:10.0.0.7etcd.port:4001Ext_pillar:-Etcd:etcd_pillar_config root=/salt/haproxy/[Email protected] ~]#/etc/init.d/salt-master restartStopping salt-master daemon: [OK]Starting Salt-master daemon: [OK]Set a key here:[Email protected] ~]# curl-s http://10.0.0.7:2379/v2/keys/salt/haproxy/backend_www_oldboyedu_com/web-node1-XPUT-d Value= "10.0.0.7:8080"
Today, in testing the ETCD-based distributed lock process, the function of automatically extending the TTL after the test acquires the lock, exceeding the TTL length before releasing it, always returns a 404 error message when the TTL of the specified key is extended, and the target key does not exist when the TTL is updated on the target key.The final troubleshooting is that the system time between the 3 nodes of the
This blog from my space reproduced over, http://user.qzone.qq.com/29185807/blog/1458542207Code is GITHUB.COM/COREOS/GO-ETCD/ETCDNote: This version is the ETCD client used in k8s v1.1.1.First I look at how the next k8s is used. Location in K8s.io\kubernetes\cmd\kube-apiserver\app\server.goCode directory, from this point of view, the code is very clearSo we're going to go in here, see Client.go.First look at
This is a creation in
Article, where the information may have evolved or changed. Package Main
Import (
"Log"
"Github.com/coreos/go-etcd/etcd"
)
Func Main () {
Client: = Etcd. Newclient (
[]string{
"Http://127.0.0.1:2379",
},
)
for {
RESP, err: = client. Get ("config", false, False)
If err! = Nil {
Log. Fatal (ERR)
}
Log. Printf ("Current creds
"Small and medium-sized team landing Configuration Center," The article describes how to build a configuration center based on ETCD+CONFD, finally mentioned ETCD security issues when said can use account password Authentication to achieve secure access, how to open authentication and how to design access to access it? This article will give you a detailed explanation
Certification notes
replicationcontroller and pods to ensure that the number of copies Replicationcontroller defined is always the same as the number of pods actually running.Slave Run two components:· Kubelet: responsible for the control of Docker containers, such as Start/stop, monitor operation status. It periodically obtains pods assigned to the native from Etcd, and starts or stops the appropriate containers based on pod information. It also receives Apiserver HTT
service discovery system is widely used by kubernetes and other systemsIs it easier for him than for zookeeper to be more efficient in the face of smaller clusters? And his programming language go itself is a multithreaded programming language, indeed there is a lot of attraction (although I do not understand the go language, but in learning Docker is also a glimpse of the style)In raft, any time a server can play one of the following roles:Leader: Handles all client interactions, log replicati
Original link Address: http://luyiisme.github.io/2017/04/22/spring-cloud-service-discovery-products/
Here on the usual use of services found in the product to carry out the comparison of characteristics, first of all to see the conclusion:
Feature
Consul
Zookeeper
Etcd
Euerka
Service Health Check
Service status, memory, hard drive, etc.
(weak) long connection, keepalive
Connect Heartbeat
Ava
You can use the performancepoint dashboard designer to create, edit, and save various dashboard projects. These projects can be saved in the specified Sharepoint list and document library, and these projects can be used to build dashboards. You can then deploy the dashboard to SharePoint Server 2010.
A dashboard provid
This is a creation in
Article, where the information may have evolved or changed.
Let's not talk about installation, just use it.
Etcd,consul are distributed kv, which is commonly used for service discovery;
1 Registration Service
Here to use ETCD.CLIENTV3 to do things, Godoc here, here is the pseudo-code
// key 随你制定, 只要能标识是那个服务器(比如 root/game/node_1)即可. value 可以包含addr, 状态, 优先度等信息client.OpPut(key,value)
Here are the tips: it is best to achiev
1. to http://rpmfind.net/ Download the following 4 packages: Golang-1.6.2-1.fc24.ppc64le.rpmgolang-bin-1.6.2-1.fc24.ppc64le.rpmgolang-src-1.6.2-1.fc24.noarch.rpmgo-srpm-macro s-2-3.fc23.noarch.rpm2.yum-yinstallgolang*.rpm3. set the Gopath variable to $HOME, namely: Export gopath= $HOME 4. Installation gbgogetgithub.com/constabulary/gb/... 5. Download confd-0.11.0 tar.gz pack Cdconfd-0.11.0./build./install6.cat >/usr/lib/systemd/system/confd.serviceThis article is from the "Everything Possible"
CentOS7 Build Kubernetes DashboardAn environmental statementCentos7 Three, master node one, node nodes twoDashboard requires a mirror and requires a command download:Docker Pull mritd/kubernetes-dashboard-amd64:v1.5.1PS: There are many other mirrors can also build dashboard, but this version is the Chinese version ofNote: All two node nodes need to download this image, the master node does not, because the
Kubernetes Dashboard is a generic web-based UI for Kubernetes clusters. It allows users to manage and troubleshoot applications running in a cluster, and to manage the cluster itself.Deploying DashboardProject GitHub AddressOfficial documentation ReferenceGet Yaml filecurl -O https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yaml # https访问的 选这个curl -
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