这个比SALTSTACK轻量，，不知道速度如何。。。。。
参考文档：
http://linux.cn/article-4215-1.html
wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm rpm -ivh epel-release-6-8.noarch.rpm yum install ansible
ANSIBLE命令指南：
Usage: ansible <host-pattern> [options] Options: -a MODULE_ARGS, --args=MODULE_ARGS module arguments --ask-become-pass ask for privilege escalation password -k, --ask-pass ask for SSH password --ask-su-pass ask for su password (deprecated, use become) -K, --ask-sudo-pass ask for sudo password (deprecated, use become) --ask-vault-pass ask for vault password -B SECONDS, --background=SECONDS run asynchronously, failing after X seconds (default=N/A) -b, --become run operations with become (nopasswd implied) --become-method=BECOME_METHOD privilege escalation method to use (default=sudo), valid choices: [ sudo | su | pbrun | pfexec | runas ] --become-user=BECOME_USER run operations as this user (default=root) -C, --check don't make any changes; instead, try to predict some of the changes that may occur -c CONNECTION, --connection=CONNECTION connection type to use (default=smart) -e EXTRA_VARS, --extra-vars=EXTRA_VARS set additional variables as key=value or YAML/JSON -f FORKS, --forks=FORKS specify number of parallel processes to use (default=5) -h, --help show this help message and exit -i INVENTORY, --inventory-file=INVENTORY specify inventory host file (default=/etc/ansible/hosts) -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 module name to execute (default=command) -M MODULE_PATH, --module-path=MODULE_PATH specify path(s) to module library (default=None) -o, --one-line condense output -P POLL_INTERVAL, --poll=POLL_INTERVAL set the poll interval if using -B (default=15) --private-key=PRIVATE_KEY_FILE use this file to authenticate the connection -S, --su run operations with su (deprecated, use become) -R SU_USER, --su-user=SU_USER run operations with su as this user (default=root) (deprecated, use become) -s, --sudo run operations with sudo (nopasswd) (deprecated, use become) -U SUDO_USER, --sudo-user=SUDO_USER desired sudo user (default=root) (deprecated, use become) -T TIMEOUT, --timeout=TIMEOUT override the SSH timeout in seconds (default=10) -t TREE, --tree=TREE log output to this directory -u REMOTE_USER, --user=REMOTE_USER connect as this user (default=root) --vault-password-file=VAULT_PASSWORD_FILE vault password file -v, --verbose verbose mode (-vvv for more, -vvvv to enable connection debugging) --version show program's version number and exit
