Molecule idempotence check

Re-run the role and fail if any task reports changed — catches non-idempotent tasks

molecule idempotence
tool
ansible56 commands
tags
ansiblecitroubleshooting

More ansible commands

  • Molecule login to instance
    molecule login --host instance

    SSH into a live Molecule test container to inspect state mid-scenario before destroy

  • Resume at a specific task
    ansible-playbook site.yml --start-at-task "Deploy app config"

    Skip everything before a named task; resume a failed long playbook without redoing setup

  • List tasks and hosts dry
    ansible-playbook site.yml --list-tasks --list-hosts -i prod

    Preview execution plan: every task and resolved target host, without connecting

  • Per-task timing profile
    ANSIBLE_CALLBACKS_ENABLED=profile_tasks ansible-playbook site.yml

    Rank tasks by wall-clock time to find the slow steps; profile_roles is the per-role variant

  • Keep remote temp files
    ANSIBLE_KEEP_REMOTE_FILES=1 ansible-playbook site.yml -vvvv --limit <host>

    Preserve pushed module scripts under ~/.ansible/tmp to debug a failing module by hand

all 56 ansible commands