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‎README.md

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# devops_multitier_webapplication
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# THIS PROJECT BELONGS TO UDEMY AND I'VE CLONED IT FOR EDUCATIONAL PURPOSES
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# Prerequisites
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#
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- JDK 11
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- Maven 3 or later
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- MySQL 5.6 or later
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# Technologies
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- Spring MVC
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- Spring Security
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- Spring Data JPA
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- Maven
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- JSP
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- MySQL
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# Database
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Here,we used Mysql DB
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MSQL DB Installation Steps for Linux ubuntu 14.04:
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- $ sudo apt-get update
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- $ sudo apt-get install mysql-server
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Then look for the file :
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- /src/main/resources/accountsdb
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- accountsdb.sql file is a mysql dump file.we have to import this dump to mysql db server
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- > mysql -u <user_name> -p accounts < accountsdb.sql
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‎ansible/ansible.cfg

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[defaults]
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host_key_checking = False
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timeout = 30

‎ansible/site.yml

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---
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- import_playbook: tomcat_setup.yml
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- import_playbook: vpro-app-setup.yml
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###

‎ansible/templates/application.j2

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#JDBC Configutation for Database Connection
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jdbc.driverClassName=com.mysql.jdbc.Driver
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jdbc.url=jdbc:mysql://dbhost:3306/accounts?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull
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jdbc.username=db_user
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jdbc.password=db_password
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#Memcached Configuration For Active and StandBy Host
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#For Active Host
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memcached.active.host=127.0.0.1
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memcached.active.port=11211
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#For StandBy Host
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memcached.standBy.host=127.0.0.2
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memcached.standBy.port=11211
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#RabbitMq Configuration
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rabbitmq.address=18.220.62.126
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rabbitmq.port=5672
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rabbitmq.username=test
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rabbitmq.password=test
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#Elasticesearch Configuration
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elasticsearch.host =192.168.1.85
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elasticsearch.port =9300
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elasticsearch.cluster=vprofile
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elasticsearch.node=vprofilenode

‎ansible/templates/epel6-svcfile.j2

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#!/bin/bash
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### BEGIN INIT INFO
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# Provides: tomcat7
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# Required-Start: $network
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# Required-Stop: $network
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: Start/Stop Tomcat server
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### END INIT INFO
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
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start() {
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sh /usr/local/tomcat8/bin/startup.sh
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}
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stop() {
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sh /usr/local/tomcat8/bin/shutdown.sh
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}
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status() {
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pid=$(ps -fe | grep '/usr/local/tomcat8' | grep -v grep | tr -s " " | cut -d" " -f2)
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if [ -n "$pid" ]; then
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echo -e "\e[00;32mTomcat is running with pid: $pid\e[00m"
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else
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echo -e "\e[00;31mTomcat is not running\e[00m"
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fi
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}
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case $1 in
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start|stop|status) $1;;
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restart) stop; start;;
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*) echo "Run as $0 "; exit 1;;
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esac
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exit 0
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‎ansible/templates/epel7-svcfile.j2

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[Unit]
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Description=Tomcat
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After=network.target
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[Service]
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User=tomcat
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WorkingDirectory=/usr/local/tomcat8
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Environment=JRE_HOME=/usr/lib/jvm/jre
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Environment=JAVA_HOME=/usr/lib/jvm/jre
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Environment=CATALINA_HOME=/usr/local/tomcat8
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Environment=CATALINE_BASE=/usr/local/tomcat8
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ExecStart=/usr/local/tomcat8/bin/catalina.sh run
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ExecStop=/usr/local/tomcat8/bin/shutdown.sh
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SyslogIdentifier=tomcat-%i
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[Install]
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WantedBy=multi-user.target
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‎ansible/templates/ubuntu14_15-svcfile.j2

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#!/bin/bash
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### BEGIN INIT INFO
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# Provides: tomcat7
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# Required-Start: $network
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# Required-Stop: $network
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: Start/Stop Tomcat server
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### END INIT INFO
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
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start() {
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sh /usr/local/tomcat8/bin/startup.sh
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}
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stop() {
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sh /usr/local/tomcat8/bin/shutdown.sh
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}
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status() {
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pid=$(ps -fe | grep '/usr/local/tomcat8' | grep -v grep | tr -s " " | cut -d" " -f2)
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if [ -n "$pid" ]; then
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echo -e "\e[00;32mTomcat is running with pid: $pid\e[00m"
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else
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echo -e "\e[00;31mTomcat is not running\e[00m"
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fi
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}
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case $1 in
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start|stop|status) $1;;
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restart) stop; start;;
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*) echo "Run as $0 "; exit 1;;
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esac
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exit 0
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‎ansible/templates/ubuntu16-svcfile.j2

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[Unit]
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Description=Tomcat
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After=network.target
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[Service]
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User=tomcat
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WorkingDirectory=/usr/local/tomcat8
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Environment=JRE_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64/jre
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Environment=JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64/jre
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Environment=CATALINA_HOME=/usr/local/tomcat8
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Environment=CATALINE_BASE=/usr/local/tomcat8
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ExecStart=/usr/local/tomcat8/bin/catalina.sh run
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ExecStop=/usr/local/tomcat8/bin/shutdown.sh
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SyslogIdentifier=tomcat-%i
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[Install]
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WantedBy=multi-user.target
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‎ansible/tomcat_setup.yml

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- name: Common tool setup on all the servers
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hosts: appsrvgrp
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become: yes
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vars:
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tom_url: https://archive.apache.org/dist/tomcat/tomcat-8/v8.5.37/bin/apache-tomcat-8.5.37.tar.gz
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tasks:
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- name: Install JDK on Centos 6/7
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yum:
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name: java-1.8.0-openjdk.x86_64
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state: present
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when: ansible_distribution == 'CentOS'
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- name: Install JDK on Ubuntu 14/15/16/18
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apt:
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name: openjdk-8-jdk
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state: present
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update_cache: yes
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when: ansible_distribution == 'Ubuntu'
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- name: Download Tomcat Tar Ball/Binaries
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get_url:
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url: "{{tom_url}}"
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dest: /tmp/tomcat-8.tar.gz
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- name: Add tomcat group
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group:
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name: tomcat
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state: present
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- name: Add tomcat user
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user:
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name: tomcat
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group: tomcat
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shell: /bin/nologin
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home: /usr/local/tomcat8
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- file:
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path: /tmp/tomcat8
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state: directory
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- name: Extract tomcat
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unarchive:
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src: /tmp/tomcat-8.tar.gz
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dest: /tmp/tomcat8/
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remote_src: yes
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list_files: yes
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register: unarchive_info
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- debug:
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msg: "{{unarchive_info.files[0].split('/')[0]}}"
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- name: Synchronize /tmp/tomcat8/tomcat_cont /usr/local/tomcat8.
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synchronize:
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src: "/tmp/tomcat8/{{unarchive_info.files[0].split('/')[0]}}/"
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dest: /usr/local/tomcat8/
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delegate_to: "{{ inventory_hostname }}"
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- name: Change ownership of /usr/local/tomcat8
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file:
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path: /usr/local/tomcat8
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owner: tomcat
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group: tomcat
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recurse: yes
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- name: Setup tomcat SVC file on Centos 7
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template:
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src: templates/epel7-svcfile.j2
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dest: /etc/systemd/system/tomcat.service
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mode: "a+x"
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when: ansible_distribution == 'CentOS' and ansible_distribution_major_version == '7'
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- name: Setup tomcat SVC file on Centos 6
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template:
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src: templates/epel6-svcfile.j2
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dest: /etc/init.d/tomcat
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mode: "a+x"
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when: ansible_distribution == 'CentOS' and ansible_distribution_major_version == '6'
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- name: Setup tomcat SVC file on ubuntu 14/15
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template:
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src: templates/ubuntu14_15-svcfile.j2
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dest: /etc/init.d/tomcat
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mode: "a+x"
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when: ansible_distribution == 'Ubuntu' and ansible_distribution_major_version < '16'
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- name: Setup tomcat SVC file on ubuntu 16 and 18
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template:
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src: templates/ubuntu16-svcfile.j2
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dest: /etc/systemd/system/tomcat.service
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mode: "a+x"
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when: ansible_distribution == 'Ubuntu' and ansible_distribution_major_version >= '16'
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- name: Reload tomcat svc config in ubuntu 14/15
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command: update-rc.d tomcat defaults
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when: ansible_distribution == 'Ubuntu' and ansible_distribution_major_version < '16'
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- name: Reload tomcat svc config in Centos 6
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command: chkconfig --add tomcat
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when: ansible_distribution == 'CentOS' and ansible_distribution_major_version == '6'
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- name: just force systemd to reread configs (2.4 and above)
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systemd:
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daemon_reload: yes
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when: ansible_distribution_major_version > '6' or ansible_distribution_major_version > '15'
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- name: Start & Enable TOmcat 8
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service:
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name: tomcat
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state: started
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enabled: yes
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