ansible java

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Java Distributed System Deployment Learning (i) ansible experience

Ansible Getting Started experience What does Ansible do? Why does it need to be used in a distributed system?If I have a Java service a now, you can deploy only one server when the volume of traffic is small and availability requirements are not high. When service A to launch online, you can log in directly to the server to publish work. But because of the growt

Ansible two times development to check the server's Java program occupies the number of ports

A description of the application scenarioDo you have this? A requirement: The number of ports used by Java programs on many servers is compared with the normal values.You can use the following command to get the result:Netstat-tulnp|grep java|wc-lBut a lot of servers, each manual to execute this command is not realistic. So think of using ansible batch to execute

Get a new version of the Java project in Tomcat from the test environment to the production environment using Ansible-playbook

need to send the key to the production environment host2. Upgrade and RollbackUpgradeAnsible-playbook/home/app/api.yml-vRolling backAnsible-playbook/home/app/api-rollback.yml-vAnsible-playbook followed by the Yml file path written earlier,-V is to display detailed execution information3. AttentionIf you perform an upgrade and rollback of the yml file in Jenkins, be sure to send the public key of the Jenkins user to the production environment host and the test environment host, otherwise the per

Get a new version of the Java project in Tomcat from the test environment to the production environment using Ansible-playbook

operation and Precautions 1. Key-free operation before upgradeAnsible host 192.168.13.45#在app用户下生成密钥ssh-keygen-t rsa# Send the public key to the test environment ssh-copy-id-i. ssh/id_rsa.pub [email protected] #发送公钥到生产环境ssh-copy-id-i. ssh/ id_rsa.pub [email protected]Production Environment Host 192.168.13.51#在app用户下生成密钥ssh-keygen-t rsa# Send the public key to the test environment ssh-copy-id-i. ssh/id_rsa.pub [Email protected]For business security, ansible

Improved version of Java program restart, and with ansible yml batch execution

= $APP _home"echo "app_mainclass= $APP _mainclass"echo "****************************"}######################################### #op () #################################Case "$" in' Start ')Start;;' Stop ')Stop;;' Restart ')StopStart;;' Status ')Status;;' Info ')Info;;*)echo "Usage: $ {Start|stop|restart|status|info}"Exit 1EsacExit 02.ansible Play BookCat Jd-tm-new.yml----Hosts:jd-tm-javaSudo_user:javaSudo:noTasks-Name:bakckup Target.tar/home/

Ansible roles Practice-Installing Java

1, Tasks/main.yml ----Name:mkdir Necessary Directory File:path=/usr/java/state=directory mode=0755 -Name:unzip JDK unarchive:src={{Jdk_package_name}} dest=/usr/java/ -Name:set Envlineinfile:dest={{Env_file}} insertafter={{item.position}} line={{Item.value}} state=presentWith_items:-{position:eof,value: "\ n"}-{position:eof,value: "Export java_home=/usr/

Ansible @ an efficient configuration management tool-Ansible configure management-translation (10), ansible-ansible

Ansible @ an efficient configuration management tool-Ansible configure management-translation (10), ansible-ansibleNo written permission. Do not reprint it Custom ModulesUntil now we have been working solely with the tools provided to us by Ansible.This does afford us a lot of power, and make many things possible. However, if youhave something particularly compl

Ansible @ an efficient configuration management tool-Ansible configure management-translation (4), ansible-ansible

Ansible @ an efficient configuration management tool-Ansible configure management-translation (4), ansible-ansibleDo not reprint without written permission Due to the long content in Chapter 3, I will divide it into several parts for translation. Advanced PlaybooksSo far the playbooks that we have looked at are simple and just run a number ofmodules in order.

Ansible @ an efficient configuration management tool-Ansible configure management-translation (8), ansible-ansible

Ansible @ an efficient configuration management tool-Ansible configure management-translation (8), ansible-ansibleIf you do not have written authorization, do not repeat Chapter 4. Use of Ansible in large projects RolesIf your playbooks start expanding beyond what includes can help you solve, or youstart gathering a l

Ansible @ an efficient configuration management tool-Ansible configure management-translation (5), ansible-ansible

Ansible @ an efficient configuration management tool-Ansible configure management-translation (5), ansible-ansibleDo not reprint advanced Playbook without written permission Extra variablesYou may have seen in our template example in the previous chapter that we used avariable called group_names . This is one of the magic variables that are provided byAnsible it

Ansible automated O & M tool and ansible automated

Ansible automated O M tool and ansible automated 1 Ansible 1> introduction to ansible Ansible is a new automatic O M tool developed based on Python. It integrates the advantages of many O M tools (puppet, cfengine, chef, func, fabric, implements batch system configuration

Sesame HTTP: Ansible extension and sesame ansible Extension

Sesame HTTP: Ansible extension and sesame ansible ExtensionIntroduction to Ansible Ansible is an O M tool developed by Python. Because work requires access to Ansible, it often integrates some things into Ansible, so it is more

Ansible @ an efficient configuration management tool-ansible configure management-translation (9)

If you do not have written authorization, do not reprint it. Chapter 4 Use of ansible in large projects New features in 1.3There are two features in Ansible 1.3 that were alluded to previously in the chapter.The first feature is the metadata roles. They allow you to specify that your roledepends on other roles. For example, if the application that you are deploying needsto send mail, your role could depend

Automated Batch Deployment Tool Ansible notes Ansible installation and inventory files

Automated Batch Deployment Tool Ansible notes Ansible installation and inventory filesI. Introduction of AnsibleAnsible is an automated operation and maintenance Deployment tool, and Saltstack,pupet, and so on, Ansible does not adopt the C/s architecture, that is, there is no client and server points. This means that the installation of

Ansible @ an efficient configuration management tool-ansible configure management-translation (6)

Do not reprint advanced playbook without written permission Finding files with variablesAll modules can take variables as part of their arguments by dereferencing themwith {{ and }} . You can use this to load a particular file based on a variable.For example, you might want to select a different config file for NRPE (a Nagioscheck daemon) based on the architecture in use. Here is how that would look:---#1- name: Configure NRPE for the right architecture#2hosts: ansibletest#3user: root#4tasks:#5

How do I install ansible on Windows How to install ansible to my Python at windows

The answer is no longer installed on the window, the answer is as follows:It ' s back! Take the 2018 Developer Survey today?Join Stack Overflow to learn, share knowledge, and build your career.Email Sign UpOR Sign in withGoogle facebookhow to install ansible to my python at Windowsask Question Up vote1down Votefavorite When I tried to the install ansible to my Windows PC, the stuck with fol

Ansible @ an efficient configuration management tool-ansible configure management-translation (11)

No written authorization. Do not reprint Chapter 5 custom Module Using a moduleNow that we have written our very first module for Ansible, we should give it ago in a playbook. Ansible looks at several places for its modules: first it looks at theplace specified in the library key in its config file ( /etc/ansible/ansible.cfg ),next it will look in the location s

Ansible installation of Ansible learning record

1. centos6.x x64 Server-side installation# RPM-IVH http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm# yum-y Install AnsibleConfiguration file View:[Email protected] ansible]# egrep-v "(#|^$)"/etc/ansible/ansible.cfg[Defaults]Hostfile =/etc/ansible/hostsLibrary =/usr/share/ansibleRemote_tmp = $HOME/.

Ansible (10) first exercise and ansible first exercise

Ansible (10) first exercise and ansible first exerciseSummary We have learned apt, yum, zypper, copy, and other modules. You must be bored.The following is a practical example.Actual case: Batch tomcat configuration Only the knowledge of the above modules is enough for us to orchestrate a Playbook to configure a large number of physical/virtual servers.Actual scenarios A company has applied for 1

Ansible learning-ansible

Ansible learning-ansible Ansible technologies (Automated O M tools) are developed based on python. Installation methods include yum, apt, pip, etc. For example, pip: pip install ansible The only requirement of ansible for the client is to have SSH and Python (if the python

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