Dry run (check mode)

Simulate execution without making changes

ansible-playbook -i inventory playbook.yml --check --diff
tool
ansible56 commands
tags
ansible

More ansible commands

  • Ad-hoc ping all hosts
    ansible all -i inventory -m ping

    Check connectivity to all hosts in inventory

  • Ad-hoc run shell command
    ansible all -i inventory -m shell -a 'uptime'

    Run a one-liner shell command on all hosts

  • Ad-hoc copy file
    ansible all -i inventory -m copy -a 'src=./file dest=/tmp/file'

    Copy a file to all hosts

  • Gather facts from host
    ansible <host> -i inventory -m setup | jq '._ansible_facts'

    Collect all Ansible facts (OS, CPU, network) from a host

  • Encrypt variable with vault
    ansible-vault encrypt_string 'secret_value' --name 'db_password'

    Inline-encrypt a string for use in playbooks

all 56 ansible commands