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Course Outline
1 Developing playbooks with Ansible Automation Platform
- The functions of the automation controller, automation hub, platform gateway, and execution environments.
- Setting up developer tools, including Git, the Ansible extension for VS Code, and ansible-lint.
- Executing playbooks with ansible-navigator in interactive and stdout modes.
- Managing project files in Git using branches, commits, pushes, and pulls.
- Structuring playbooks, roles, and projects to ensure readability, reusability, and maintainability.
2 Using content collections and execution environments
- Collection namespaces, fully qualified collection names, and content dependencies.
- Locating collections in Red Hat automation hub, private automation hub, and Ansible Galaxy.
- Installing necessary collections using ansible-galaxy and requirements files.
- Selecting an execution environment and examining the tools and collections it contains.
- Understanding collection availability within execution environments and via project content paths.
3 Running playbooks through automation controller
- Utilizing the unified platform interface to manage and initiate automation.
- The relationships between organizations, projects, inventories, credentials, and job templates.
- Linking Git-based automation projects and selecting execution environments.
- Initiating jobs and interpreting output, status, and execution errors.
4 Configuring Ansible and automation content navigator
- How Ansible locates configuration files and applies environment variable overrides.
- Examining effective settings with ansible-config and ansible-navigator config.
- Configuring execution environment images, pull behavior, execution mode, and logging in ansible-navigator.yml.
- Diagnosing configuration differences that impact playbook development and execution.
5 Managing inventories and inventory variables
- Creating YAML inventories and converting existing INI inventory structures.
- Organizing host and group variables within host_vars and group_vars directories.
- Utilizing host aliases and connection variables such as ansible_host, ansible_user, and ansible_connection.
- Generating inventory data through dynamic inventory plug-ins.
- Merging inventory sources and verifying the resulting hosts, groups, and variables.
6 Controlling and optimising task execution
- Managing privilege escalation with become at appropriate playbook levels.
- Understanding execution order across pre_tasks, roles, tasks, handlers, and post_tasks.
- Controlling handlers using notify, listen, and meta: flush_handlers.
- Selecting tasks with tags, including the special always and never tags.
- Evaluating performance using fact-gathering settings, caching, forks, SSH pipelining, and callback plug-ins.
7 Transforming data with filters and plug-ins
- Applying Jinja2 filters to strings, lists, dictionaries, defaults, and data types.
- Retrieving external data using lookup plug-ins and query.
- Processing structured data with loops, subelements, dict2items, product, and loop_control.
- Handling network-address data through ansible.utils.ipaddr filters.
- Preparing variables in the formats expected by reusable roles and templates.
8 Coordinating rolling updates
- Delegating tasks and facts using delegate_to and delegate_facts, including local actions.
- Controlling parallel execution and host batches with forks and serial.
- Using max_fail_percentage and any_errors_fatal to manage the response to failures.
- Understanding how run_once behaves when updates are performed in batches.
- Coordinating host removal from and return to a load balancer to minimize disruption during updates.
9 Creating collections and custom execution environments
- Organizing collection content, including roles, modules, plug-ins, and supporting metadata.
- Defining collection metadata and compatibility information in galaxy.yml and meta/runtime.yml.
- Building collection packages and publishing them to a private automation hub.
- Defining dependencies in execution-environment.yml and building images with ansible-builder.
- Validating custom environments with ansible-navigator and using them with automation controller.
Requirements
- Previous training in Red Hat Enterprise Linux Automation with Ansible (AU294) or equivalent practical experience.
- RHCE certification on Red Hat Enterprise Linux 9 or later, or comparable Ansible knowledge and skills.
- Proficiency in working within the Linux command line, reading and writing YAML, and developing basic Ansible playbooks.
- Knowledge of Git repositories and fundamental version-control operations.
28 Hours
Testimonials (1)
Lots of exercises
