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NEW QUESTION # 116
Sort a list of numbers in descending order using a filter.
Answer:
Explanation:
- name: Sort numbers hosts: localhost vars:
numbers: [5, 3, 8, 1] tasks:
- name: Display sorted numbers debug:
var: "{{ numbers | sort(reverse=True) }}"
Explanation:
The sort filter orders list elements, and the reverse parameter inverts the order, enabling advanced sorting operations.
NEW QUESTION # 117
Use advanced inventory variables in a playbook.
Answer:
Explanation:
- name: Use advanced inventory hosts: web1
tasks:
- debug:
msg: "Web server running on port {{ http_port }}"
Explanation:
Referencing host-specific variables ensures tasks adapt dynamically to inventory data.
NEW QUESTION # 118
List the layers of an EE image to analyze its build structure.
Answer:
Explanation:
podman history my_execution_env:1.0
Explanation:
The podman history command displays the layers of the image, helping analyze the build process and track changes across layers.
NEW QUESTION # 119
Set up a project in Automation Controller to pull content from Automation Hub.
Answer:
Explanation:
1. Go to Projects.
2. Create a new project:
o Name: Automation Hub Project
o Source Control Type: Automation Hub
o URL: https://automation-hub.example.com/
3. Sync the project.
Explanation:
Pulling content from Automation Hub ensures the latest roles and playbooks are available for use.
NEW QUESTION # 120
Control task execution order by using pre_tasks and post_tasks.
Answer:
Explanation:
- hosts: all
pre_tasks:
- name: Pre-task example
debug:
msg: "This is a pre-task"
tasks:
- name: Main task example debug:
msg: "This is the main task"
post_tasks:
- name: Post-task example debug:
msg: "This is a post-task"
Explanation:
Pre-tasks and post-tasks allow for preparatory and cleanup actions around the main playbook tasks.
NEW QUESTION # 121
Use lookup with with_items to iterate over multiple external files.
Answer:
Explanation:
- name: Read multiple files hosts: localhost
tasks:
- name: Fetch file contents debug:
msg: "{{ lookup('file', item) }}" with_items:
- /tmp/file1.txt
- /tmp/file2.txt
Explanation:
Combining lookup with with_items iterates over multiple sources, enabling batch processing of external data.
NEW QUESTION # 122
Configure your environment to automatically include your collection in Ansible's search path.
Answer:
Explanation:
export ANSIBLE_COLLECTIONS_PATHS=~/.ansible/collections:/custom_path/collections
Explanation:
Setting the ANSIBLE_COLLECTIONS_PATHS environment variable ensures custom collection directories are included in the search path.
NEW QUESTION # 123
Merge the feature-update branch into the main branch to integrate the changes.
Answer:
Explanation:
git checkout main
git merge feature-update
Explanation:
Switching to the target branch and merging ensures that changes from the source branch are integrated systematically.
NEW QUESTION # 124
Filter a list of numbers to include only even numbers.
Answer:
Explanation:
- name: Filter even numbers hosts: localhost
vars:
numbers: [1, 2, 3, 4, 5, 6] tasks:
- name: Get even numbers debug:
var: "{{ numbers | select('even') | list }}"
Explanation:
The select filter applies a condition, such as even, to extract specific elements from a list.
NEW QUESTION # 125
Securely rotate SSH keys for inventory hosts.
Answer:
Explanation:
1. Generate new keys:
ssh-keygen -t rsa -f ~/.ssh/new_key
2. Update the ansible_ssh_private_key_file in the inventory.
Explanation:
Regularly rotating SSH keys improves security and ensures continued access control.
NEW QUESTION # 126
Inspect the file system of the EE container image.
Answer:
Explanation:
podman run --rm -it my_execution_env:1.0 sh
Explanation:
Starting an interactive shell inside the EE allows inspection of its file system, aiding in troubleshooting or
customization.
NEW QUESTION # 127
Apply the stashed changes back to the feature-update branch.
Answer:
Explanation:
git stash apply
Explanation:
Applying a stash retrieves the saved changes, allowing them to be continued from the stored state.
NEW QUESTION # 128
Run a playbook using the built EE image.
Answer:
Explanation:
podman run --rm -v $(pwd):/workspace -w /workspace my_execution_env:1.0 ansible-playbook site.yml
Explanation:
Running the EE image with podman run executes the playbook using the contained Ansible runtime, ensuring consistency.
NEW QUESTION # 129
Test the webserver role from the collection using ansible-playbook.
Answer:
Explanation:
ansible-playbook test_playbook.yml
Explanation:
Running a playbook verifies that the collection roles are functional and properly integrated.
NEW QUESTION # 130
Inspect the logs of an EE build process.
Answer:
Explanation:
podman logs $(podman ps -aq --filter ancestor=my_execution_env:1.0)
Explanation:
Inspecting logs helps troubleshoot issues that occur during the build process, ensuring a functional EE.
NEW QUESTION # 131
Set up notifications for job failures in Automation Controller.
Answer:
Explanation:
1. Navigate to Notifications and click Add.
2. Choose Type: Slack.
3. Configure Slack details and associate it with a job template.
4. Set the trigger to On Failure.
Explanation:
Notifications improve responsiveness by alerting users of job failures in real time.
NEW QUESTION # 132
Check if a variable is a list and fail if it is not.
Answer:
Explanation:
- name: Validate list hosts: localhost
vars:
data: [1, 2, 3]
tasks:
- name: Ensure variable is a list fail:
msg: "Variable is not a list" when: data is not list
Explanation:
The is list filter ensures the data type matches expectations, preventing runtime errors.
NEW QUESTION # 133
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