To help or how to use ansible-playbook command, use -h option

ansible-playbook -h

$ ansible-playbook -h

usage: ansible-playbook [-h] [--version] [-v] [-k]

                        [--private-key PRIVATE_KEY_FILE] [-u REMOTE_USER]

                        [-c CONNECTION] [-T TIMEOUT]

                        [--ssh-common-args SSH_COMMON_ARGS]

                        [--sftp-extra-args SFTP_EXTRA_ARGS]

                        [--scp-extra-args SCP_EXTRA_ARGS]

                        [--ssh-extra-args SSH_EXTRA_ARGS] [--force-handlers]

                        [--flush-cache] [-b] [--become-method BECOME_METHOD]

                        [--become-user BECOME_USER] [-K] [-t TAGS]

                        [--skip-tags SKIP_TAGS] [-C] [--syntax-check] [-D]

                        [-i INVENTORY] [--list-hosts] [-l SUBSET]

                        [-e EXTRA_VARS] [--vault-id VAULT_IDS]

                        [--ask-vault-pass | --vault-password-file VAULT_PASSWORD_FILES]

                        [-f FORKS] [-M MODULE_PATH] [--list-tasks]

                        [--list-tags] [--step] [--start-at-task START_AT_TASK]

                        playbook [playbook ...]

Runs Ansible playbooks, executing the defined tasks on the targeted hosts.

positional arguments:

  playbook              Playbook(s)

optional arguments:

  --ask-vault-pass      ask for vault password

  --flush-cache         clear the fact cache for every host in inventory

  --force-handlers      run handlers even if a task fails

  --list-hosts          outputs a list of matching hosts; does not execute

                        anything else

  --list-tags           list all available tags

  --list-tasks          list all tasks that would be executed

  --skip-tags SKIP_TAGS

                        only run plays and tasks whose tags do not match these

                        values

  --start-at-task START_AT_TASK

                        start the playbook at the task matching this name

  --step                one-step-at-a-time: confirm each task before running

  --syntax-check        perform a syntax check on the playbook, but do not

                        execute it

  --vault-id VAULT_IDS  the vault identity to use

  --vault-password-file VAULT_PASSWORD_FILES

                        vault password file

  --version             show program's version number, config file location,

                        configured module search path, module location,

                        executable location and exit

  -C, --check           don't make any changes; instead, try to predict some

                        of the changes that may occur

  -D, --diff            when changing (small) files and templates, show the

                        differences in those files; works great with --check

  -M MODULE_PATH, --module-path MODULE_PATH

                        prepend colon-separated path(s) to module library (def

                        ault=~/.ansible/plugins/modules:/usr/share/ansible/plu

                        gins/modules)

  -e EXTRA_VARS, --extra-vars EXTRA_VARS

                        set additional variables as key=value or YAML/JSON, if

                        filename prepend with @

  -f FORKS, --forks FORKS

                        specify number of parallel processes to use

                        (default=5)

  -h, --help            show this help message and exit

  -i INVENTORY, --inventory INVENTORY, --inventory-file INVENTORY

                        specify inventory host path or comma separated host

                        list. --inventory-file is deprecated

  -l SUBSET, --limit SUBSET

                        further limit selected hosts to an additional pattern

  -t TAGS, --tags TAGS  only run plays and tasks tagged with these values

  -v, --verbose         verbose mode (-vvv for more, -vvvv to enable

                        connection debugging)

Connection Options:

  control as whom and how to connect to hosts

  --private-key PRIVATE_KEY_FILE, --key-file PRIVATE_KEY_FILE

                        use this file to authenticate the connection

  --scp-extra-args SCP_EXTRA_ARGS

                        specify extra arguments to pass to scp only (e.g. -l)

  --sftp-extra-args SFTP_EXTRA_ARGS

                        specify extra arguments to pass to sftp only (e.g. -f,

                        -l)

  --ssh-common-args SSH_COMMON_ARGS

                        specify common arguments to pass to sftp/scp/ssh (e.g.

                        ProxyCommand)

  --ssh-extra-args SSH_EXTRA_ARGS

                        specify extra arguments to pass to ssh only (e.g. -R)

  -T TIMEOUT, --timeout TIMEOUT

                        override the connection timeout in seconds

                        (default=10)

  -c CONNECTION, --connection CONNECTION

                        connection type to use (default=smart)

  -k, --ask-pass        ask for connection password

  -u REMOTE_USER, --user REMOTE_USER

                        connect as this user (default=None)

Privilege Escalation Options:

  control how and which user you become as on target hosts

  --become-method BECOME_METHOD

                        privilege escalation method to use (default=sudo), use

                        `ansible-doc -t become -l` to list valid choices.

  --become-user BECOME_USER

                        run operations as this user (default=root)

  -K, --ask-become-pass

                        ask for privilege escalation password

  -b, --become          run operations with become (does not imply password

                        prompting)