IT-SDK-Ansible
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Ref.
- https://linuxhint.com/category/ansible/
- https://www.youtube.com/watch?v=1id6ERvfozo
- https://www.redhat.com/en/services/training/do007-ansible-essentials-simplicity-automation-technical-overview
- https://www.digitalocean.com/community/tutorials/configuration-management-101-writing-ansible-playbooks
- https://opensource.com/article/21/9/ansible-rest-apis
Modules
- https://docs.ansible.com/ansible/latest/reference_appendices/logging.html
- https://docs.ansible.com/ansible/latest/user_guide/playbooks_filters.html
- https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html
- https://docs.ansible.com/ansible/latest/collections/ansible/builtin/index.html
- https://docs.ansible.com/ansible/latest/collections/ansible/builtin/lineinfile_module.html
- https://docs.ansible.com/ansible/latest/collections/community/general/java_cert_module.html
- https://docs.ansible.com/ansible/latest/collections/community/general/java_keystore_module.html
- https://docs.ansible.com/ansible/latest/collections/ansible/builtin/uri_module.html (Interacts with webservices)
Notes
- Ansible: playbooks, roles, variables, basic modules
Commands
ansible $PATTERN -m $MODULE -a "$MODULE_OPTIONS" ## AD_HOC ... ansible -m command -a "ls" all ... ansible-playbook playbook.yml ## execute the playbook ansible-playbook playbook.yml --connection=local
Inventory
- Lists which hosts will receive commands from the control host.
- Location for the inventory file: /etc/ansible/hosts
ansible all --list-hosts nano inventory ------------------------------ [webservers] 192.0.2.0 192.0.2.1 [databases] 192.0.2.3 ansible_user=root ------------------------------
Playbook
---
- name: this playbook will install httpd ## Name of the Play
hosts: web ## In which Host shall the play executed.
vars: ## Definition von Variables
pkgname: httpd
tasks: ## Tasks in this play
- name: Install latest of Apache ## Name of the Task
become: ture ## Execute this Task as "sudo dnf install httpd"
become_user: weblogic ## Exceute this task as "sudo -u weblogic dnf install httpd"
dnf: ## Name of the Modul used (etc. command, apt, user, service )
name: {{ pkgname }} ## Parameter used form modul
state: latest ## Parameter used form modul
Playbook-Localhost
ansible-playbook playbook.yml --connection=local 127.0.0.1 # using Ansible command line -------------------------------------------------------------# using inventory 127.0.0.1 ansible_connection=local -------------------------------------------------------------# using Ansible configuration file [defaults] transport = local -------------------------------------------------------------# using playbook header - hosts: localhost 127.0.0.1 connection: local
