Ansible基础一Playbook（三）
摘自：http://www.ansible.com.cn/docs/playbooks_intro.htmlansible-pull
让托管节点从一个 central location 做 check in 获取配置信息，它是一个小脚本,它从 git 上 checkout 一个关于配置指令的 repo,然后以这个配置指令来运行 ansible-playbook.
# ansible-pull -h
Usage: ansible-pull -U <repository>
Options:
--accept-host-key adds the hostkey for the repo url if not already added
--ask-vault-pass ask for vault password
-C CHECKOUT, --checkout=CHECKOUT
branch/tag/commit to checkout.Defaults to behavior
of repository module.
--clean modified files in the working repository will be
discarded
-d DEST, --directory=DEST
directory to checkout repository to
-e EXTRA_VARS, --extra-vars=EXTRA_VARS
set additional variables as key=value or YAML/JSON
-f, --force run the playbook even if the repository could not be
updated
--full Do a full clone, instead of a shallow one.
-h, --help show this help message and exit
-i INVENTORY, --inventory-file=INVENTORY
specify inventory host path
(default=/etc/ansible/hosts) or comma separated host
list.
-l SUBSET, --limit=SUBSET
further limit selected hosts to an additional pattern
--list-hosts outputs a list of matching hosts; does not execute
anything else
-m MODULE_NAME, --module-name=MODULE_NAME
Repository module name, which ansible will use to
check out the repo. Default is git.
-M MODULE_PATH, --module-path=MODULE_PATH
specify path(s) to module library (default=None)
--new-vault-password-file=NEW_VAULT_PASSWORD_FILE
new vault password file for rekey
-o, --only-if-changed
only run the playbook if the repository has been
updated
--output=OUTPUT_FILEoutput file name for encrypt or decrypt; use - for
stdout
--purge purge checkout after playbook run
--skip-tags=SKIP_TAGS
only run plays and tasks whose tags do not match these
values
-s SLEEP, --sleep=SLEEP
sleep for random interval (between 0 and n number of
seconds) before starting. This is a useful way to
disperse git requests
-t TAGS, --tags=TAGSonly run plays and tasks tagged with these values
--track-subs submodules will track the latest changes This is
equivalent to specifying the --remote flag to git
submodule update
-U URL, --url=URL URL of the playbook repository
--vault-password-file=VAULT_PASSWORD_FILE
vault password file
-v, --verbose verbose mode (-vvv for more, -vvvv to enable
connection debugging)
--verify-commit verify GPG signature of checked out commit, if it
fails abort running the playbook. This needs the
corresponding VCS module to support such an operation
--version show program's version number and exit
Connection Options:
control as whom and how to connect to hosts
-k, --ask-pass ask for connection password
--private-key=PRIVATE_KEY_FILE, --key-file=PRIVATE_KEY_FILE
use this file to authenticate the connection
-u REMOTE_USER, --user=REMOTE_USER
connect as this user (default=None)
-c CONNECTION, --connection=CONNECTION
connection type to use (default=smart)
-T TIMEOUT, --timeout=TIMEOUT
override the connection timeout in seconds
(default=30)
--ssh-common-args=SSH_COMMON_ARGS
specify common arguments to pass to sftp/scp/ssh (e.g.
ProxyCommand)
--sftp-extra-args=SFTP_EXTRA_ARGS
specify extra arguments to pass to sftp only (e.g. -f,
-l)
--scp-extra-args=SCP_EXTRA_ARGS
specify extra arguments to pass to scp only (e.g. -l)
--ssh-extra-args=SSH_EXTRA_ARGS
specify extra arguments to pass to ssh only (e.g. -R)
Privilege Escalation Options:
control how and which user you become as on target hosts
--ask-sudo-pass ask for sudo password (deprecated, use become)
--ask-su-pass ask for su password (deprecated, use become)
-K, --ask-become-pass
ask for privilege escalation password
在执行一个 playbook 之前,想看看这个 playbook 的执行会影响到哪些 hosts,你可以这样做:
ansible-playbook playbook.yml --list-hosts
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