name: set java home as environment variableīlock: export JAVA_HOME=/usr/lib/java10/jdk-10.0.1 This unpacks the tarball and places it into the directory previously created.įinally, we will update alternatives (and, as a bonus, we'll set the JAVA_HOME environment variable): - name: update alternatives for java We then create the directory we eventually want to put java10 into Which uses ansible's get_url module to download the tarball and move it to the /etc/ location, only downloading it if we haven't already done so. We can convert these two steps to: # Get tarball for JDK 10.0.1 The empty setup: command runs the gathering of facts and we can proceed like we never had to do this weird pre-provisioning step in the first place. This bash command checks if we have python first, and only updates and gets python-minimal if it's not already there. Raw: test -e /usr/bin/python || (apt-get -y update & apt-get install -y python-minimal) We can't gather facts before installing it, because gathering facts requires, you guessed it, python 2:. Since ansible defaults to python 2, one way to deal with that problem is to install it prior to running the playbook. We are using Ubuntu 18 (bionic64), which does not come with python 2 installed. We'll need an ansible playbook in the same directory called 'provision.yml'. To test this, we'll set up a VagrantFile like so: nfigure('2') do |config|Ĭonfig.vm.network 'private_network', ip: '192.168.56.115'Ĭonfig.vm.provision 'ansible' do |ansible| We'll convert this bash script to an ansible playbook. In this case, nothing bad will actually happen, but it can lead to some sticky debug sessions when we start to move to more complicated provisioning steps. For example, if we re-run this bash script on a server that is already provisioned, it will run all of these steps again. While that script works, it's generally a better idea to make this more maintainable. Will get you openJDK version 10.0.1 from the tarball in the link. Update-alternatives -install /usr/bin/javac javac /usr/lib/java10/jdk-10.0.1/bin/javac 20000 Update-alternatives -install /usr/bin/java java /usr/lib/java10/jdk-10.0.1/bin/java 20000 In my post about how to provision any version of Java using a bash script, we saw that: #!/bin/bash

Java update alternatives