Ad hoc commands can run a single, simple task against a set of targeted hosts as a one-time command. The real power of Ansible, however, is in learning how to use playbooks to run multiple, complex tasks against a set of targeted hosts in an easily repeatable manner. A play is an ordered set of tasks which should be run against hosts selected from your inventory.
A playbook is a text file that contains a list of one or more plays to run in order. In the previously given example, you can see we are running all the tasks against a single host group named webservers this is called A PLAY.
If I want to run a different set of tasks against different host group. All you need to do is add one more PLAY. Here is the ansible playbook with multiple hosts in it. You can see we are working with web and application servers in the same playbook and executing two different plays set of tasks respectively. In the preceding playbook, you could notice that two plays are there and both of them targeted to different host groups.
Ansible playbook can be executed with ansible-playbook command. This is dedicated for ansible playbooks. Let us see how to execute the preceding playbook and install apache on the webservers host group. Here the host group name is webservers and it is mentioned in the hosts: directive on the playbook. See this video log for further information on how to execute the playbook in real-time. If you quickly want to verify if everything is ok with the playbook. You can perform a Syntax check.
Here is the ansible command line example on how to perform Syntax check on ansible playbook. Refer the video for the practical idea. Ansible playbook supports defining the variable in two forms, Either as a separate file with full of variables and values like a properties file.
Showing results for. Search instead for. Did you mean:. Sign In Help. DanK Moderator. Ansible User Types: Playbook executors. In my experience, there are at least 3 types of users when it comes to Ansible: 1. Users who execute playbooks. I'll post a few of my thoughts below. Tags 4. Tags: Ansible. Join the discussion. All forum topics Previous Topic Next Topic. Re: Ansible User Types: Playbook executors. Get know as many of the options for ansible-playbook as you can.
Know the variables that need to be defined for the playbook. Ensuring the presence of multiple users listed directly in the YML file. Ensuring the absence of users listed directly in the YML file. Stage users are not allowed to authenticate. This is an initial state. Some of the user account properties required for active users cannot be set, for example, group membership. Active users are allowed to authenticate. All required user account properties must be set in this state.
Preserved users are former active users that are considered inactive and cannot authenticate to IdM. Preserved users retain most of the account properties they had as active users, but they are not part of any user groups. Ensuring the presence of an IdM user using an Ansible playbook. Prerequisites You know the IdM administator password.
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