ansible安装与基本使用

服务端安装ansible

[root@k8s-mater]yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
[root@k8s-mater]yum install ansible -y
[root@k8s-master ansible]# ansible --help
Usage: ansible <host-pattern> [options]

Options:
  -a MODULE_ARGS, --args=MODULE_ARGS
                        module arguments
  -k, --ask-pass        ask for SSH password
  --ask-su-pass         ask for su password
  -K, --ask-sudo-pass   ask for sudo password
  --ask-vault-pass      ask for vault password
  -B SECONDS, --background=SECONDS
                        run asynchronously, failing after X seconds
                        (default=N/A)
  -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)
  -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=/usr/share/ansible/)
  -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
  -R SU_USER, --su-user=SU_USER
                        run operations with su as this user (default=root)
  -s, --sudo            run operations with sudo (nopasswd)
  -U SUDO_USER, --sudo-user=SUDO_USER
                        desired sudo user (default=root)
  -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

配置hosts,便于后续操控远程主机

cd /etc/ansible
vim hosts
## db-[99:101]-node.example.com
192.168.189.89

编辑/etc/ansible/ansible.cfg

inventory      = /etc/ansible/hosts    #将注释#去掉

测试命令

[root@k8s-master ansible]# ansible localhost -m ping
localhost | SUCCESS => {
    "changed": false,
    "ping": "pong"
}
[root@k8s-master ansible]# ansible localhost -m command -a "df -h"
localhost | CHANGED | rc=0 >>
文件系统                 容量  已用  可用 已用% 挂载点
/dev/mapper/centos-root   17G  5.5G   12G   33% /
devtmpfs                 475M     0  475M    0% /dev
tmpfs                    487M  124K  487M    1% /dev/shm
tmpfs                    487M   14M  473M    3% /run
tmpfs                    487M     0  487M    0% /sys/fs/cgroup
/dev/sda1               1014M  133M  882M   14% /boot
tmpfs                     98M     0   98M    0% /run/user/0

来源：oschina

链接：https://my.oschina.net/donngchao/blog/4548506

标签

Vault

subset

ansible