ansible及常用模块的使用
2021/6/19 23:57:15
本文主要是介绍ansible及常用模块的使用,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
ansible
实验环境
主机名 | IP | 系统 |
---|---|---|
ansible_center | 192.168.75.185 | CentOS Linux release 8.1.1911 (Core) |
host_node1 | 192.168.75.186 | CentOS Linux release 8.1.1911 (Core) |
host_node2 | 192.168.75.187 | CentOS Linux release 8.1.1911 (Core) |
host_node3 | 192.168.75.188 | CentOS Linux release 8.1.1911 (Core) |
一、ansible安装
1.1 pip安装
通过pip安装的ansible版本相对yum来说,要新一些
[root@centos7 ~]# yum install python-pip python-devel [root@centos7 ~]# yum install gcc glibc-devel zibl-devel rpm-bulid openssl-devel [root@centos7 ~]# curl https://bootstrap.pypa.io/pip/2.7/get-pip.py -o get-pip.py [root@centos7 ~]# python get-pip.py [root@centos7 ~]# pip --version pip 20.3.4 from /usr/lib/python2.7/site-packages/pip (python 2.7) [root@centos7 ~]# pip install ansible [root@centos7 ~]# ansible --version [DEPRECATION WARNING]: Ansible will require Python 3.8 or newer on the controller starting with Ansible 2.12. Current version: 2.7.5 (default, Nov 16 2020, 22:23:17) [GCC 4.8.5 20150623 (Red Hat 4.8.5-44)]. This feature will be removed from ansible-core in version 2.12. Deprecation warnings can be disabled by setting deprecation_warnings=False in ansible.cfg. /usr/lib/python2.7/site-packages/ansible/parsing/vault/__init__.py:44: CryptographyDeprecationWarning: Python 2 is no longer supported by the Python core team. Support for it is now deprecated in cryptography, and will be removed in the next release. from cryptography.exceptions import InvalidSignature ansible [core 2.11.1] config file = None configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules'] ansible python module location = /usr/lib/python2.7/site-packages/ansible ansible collection location = /root/.ansible/collections:/usr/share/ansible/collections executable location = /usr/bin/ansible python version = 2.7.5 (default, Nov 16 2020, 22:23:17) [GCC 4.8.5 20150623 (Red Hat 4.8.5-44)] jinja version = 2.11.3 libyaml = True
1.2 yum安装
在ansible_center上操作(yum安装)
[root@ansible_center ~]# yum install ansible [root@ansible_center ~]# ansible --version ansible 2.9.21 config file = /etc/ansible/ansible.cfg configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules'] ansible python module location = /usr/lib/python3.6/site-packages/ansible executable location = /usr/bin/ansible python version = 3.6.8 (default, Nov 21 2019, 19:31:34) [GCC 8.3.1 20190507 (Red Hat 8.3.1-4)]
二 ansible配置文件详解
[root@ansible_center ~]# rpm -ql ansible |head -15 /etc/ansible /etc/ansible/ansible.cfg #主配置文件 /etc/ansible/hosts #主机清单 /etc/ansible/roles #存放角色的目录 /usr/bin/ansible /usr/bin/ansible-config /usr/bin/ansible-connection /usr/bin/ansible-console /usr/bin/ansible-doc /usr/bin/ansible-galaxy /usr/bin/ansible-inventory /usr/bin/ansible-playbook /usr/bin/ansible-pull /usr/bin/ansible-vault /usr/lib/python3.6/site-packages/ansible ......
主配置文件/etc/ansible/ansible.cfg详解
[defaults] #inventory = /etc/ansible/hosts # 主机列表配置文件 #library = /usr/share/my_modules/ # 库文件存放目录 #remote_tmp = $HOME/.ansible/tmp #临时py命令文件存放在远程主机目录 #local_tmp = $HOME/.ansible/tmp # 本机的临时命令执行目录 #forks = 5 # 默认并发数 #sudo_user = root # 默认sudo 用户 #ask_sudo_pass = True #每次执行ansible命令是否询问ssh密码 #ask_pass = True #remote_port = 22 #host_key_checking = False # 检查对应服务器的host_key,建议取消注释 #log_path=/var/log/ansible.log #日志文件,建议启用 #module_name = command #默认模块,可以修改为shell模块
默认的inventory file为 /etc/ansible/hosts
inventory file可以有多个,且也可以通过Dynamic Inventory来动态生成
[root@ansible_center ~]# grep "^##" /etc/ansible/hosts ## green.example.com ## blue.example.com ## 192.168.100.1 ## 192.168.100.10 ## [webservers] ## alpha.example.org ## beta.example.org ## 192.168.1.100 ## 192.168.1.110 ## www[001:006].example.com ## [dbservers] ## ## db01.intranet.mydomain.net ## db02.intranet.mydomain.net ## 10.25.1.56 ## 10.25.1.57 ## db-[99:101]-node.example.com
ansiable相关工具
# ansible 主程序,临时命令执行工具 # ansible-doc 查看配置文档,模块功能查看工具 # ansible-galaxy 下载/上传优秀代码或Roles模块的官网平台 # ansible-playbook 定制自动化任务,编排剧本工具 # ansible-pull 远程执行命令的工具 # ansible-vault 文件加密工具 # ansible-console 基于Console界面与用户交互的执行工具
利用ansible实现管理的主要方式:
Ad-Hoc 即利用ansible命令,主要用于临时命令使用场景
Ansible-playbook 主要用于长期规划好的,大型项目的场景,需要有前期的规划过程
2.1 ansible配置
此工具通过ssh协议,实现对远程主机的配置管理、应用部署、任务执行等功能
建议:使用此工具前,先配置ansible主控端能基于密钥认证的方式联系各个被管理节点
# cat ssh_key1.sh #!/bin/bash PASS="linux_123" NET=192.168.75 rpm -q expect &> /dev/null || yum -y install expect &> /dev/null ssh-keygen -t rsa -P "" -f /root/.ssh/id_rsa &> /dev/null && echo "ssh key is created" for IP in {186..188};do expect <<EOF set timeout 20 spawn ssh-copy-id -i /root/.ssh/id_rsa.pub root@$NET.$IP expect { "yes/no" { send "yes\n";exp_continue } "password" { send "$PASS\n" } } expect eof EOF echo $IP is ready done
格式:
# ansible <host-pattern> [-m module_name] [-a args]
选项:
--version #显示版本 -m module #指定模块,默认为command -v #详细过程 –vv -vvv更详细 --list-hosts #显示主机列表,可简写 --list -k, --ask-pass #提示输入ssh连接密码,默认Key验证 -C, --check #检查,并不执行 -T, --timeout=TIMEOUT #执行命令的超时时间,默认10s -u, --user=REMOTE_USER #执行远程执行的用户 -b, --become #代替旧版的sudo 切换 --become-user=USERNAME #指定sudo的runas用户,默认为root -K, --ask-become-pass #提示输入sudo时的口令
host-pattern
用于匹配被控制的主机的列表
All :表示所有Inventory中的所有主机
范例:
[root@ansible_center ~]# ansible-inventory --list { "_meta": { "hostvars": {} }, "all": { "children": [ "dbservers", "ungrouped", "webservers" ] }, "dbservers": { "hosts": [ "192.168.75.187", "192.168.75.188" ] }, "webservers": { "hosts": [ "192.168.75.186" ] } }
范例:
ansible all –m ping
*:通配符
ansible “*” -m ping ansible 192.168.1.* -m ping ansible “srvs” -m ping
或关系:
ansible “websrvs:appsrvs” -m ping ansible “192.168.1.10:192.168.1.20” -m ping
逻辑与
#在websrvs组并且在dbsrvs组中的主机 ansible “websrvs:&dbsrvs” –m ping
逻辑非
#在websrvs组,但不在dbsrvs组中的主机 #注意:此处为单引号 ansible ‘websrvs:!dbsrvs’ –m ping
综合逻辑
ansible ‘websrvs:dbsrvs:&appsrvs:!ftpsrvs’ –m ping
正则表达式
ansible “websrvs:dbsrvs” –m ping ansible “~(web|db).*\.magedu\.com” –m ping
ansible命令执行过程
1、加载自己的配置文件 默认/etc/ansible/ansible.cfg
2、加载自己对应的模块文件,如:command
3、通过ansible将模块或命令生成对应的临时py文件,并将该文件传输至远程服务器的对应执行用户$HOME/.ansible/tmp/ansible-tmp-数字/XXX.PY文件
4、给文件+x执行
5、执行并返回结果
6、删除临时的py文件,退出
三 ansible常用模块
https://docs.ansible.com/ansible/latest/modules/modules_by_category.html
3.1 command模块
功能:在远程主机执行命令,此为默认模块,可忽略-m选项
注意:此命令不支持 $VARNAME < > | ; &等,用shell模块实现
范例:
[root@ansible_center ~]# ansible dbservers -m command -a 'chdir=/etc cat centos-release' 192.168.75.188 | CHANGED | rc=0 >> CentOS Linux release 8.1.1911 (Core) 192.168.75.187 | CHANGED | rc=0 >> CentOS Linux release 8.1.1911 (Core) [root@ansible_center ~]# ansible all -m command -a 'hostname' 192.168.75.187 | CHANGED | rc=0 >> host_node2 192.168.75.188 | CHANGED | rc=0 >> host_node3 192.168.75.186 | CHANGED | rc=0 >> host_node1
3.2 shell模块
功能:和command相似,用shell执行命令
范例:
[root@ansible_center ~]# ansible dbservers -m shell -a "echo $HOSTNAME" 192.168.75.187 | CHANGED | rc=0 >> ansible_center 192.168.75.188 | CHANGED | rc=0 >> ansible_center [root@ansible_center ~]# ansible dbservers -m shell -a 'echo $HOSTNAME' 192.168.75.188 | CHANGED | rc=0 >> host_node3 192.168.75.187 | CHANGED | rc=0 >> host_node2 [root@ansible_center ~]#
注意:调用bash执行命令 类似 cat /tmp/test.md | awk -F‘|’ ‘{print 2}’ &> /tmp/example.txt 这些复
杂命令,即使使用shell也可能会失败,解决办法:写到脚本时,copy到远程,执行,再把需要的结果
拉回执行命令的机器
如何修改默认模块代替command
#把command修改为shell即可 [root@ansible_center ~]# grep -n '^#module_name' /etc/ansible/ansible.cfg 114:#module_name = command
3.3 script模块
功能:在远程主机上运行ansible服务器上的脚本
范例:
ansible websrvs -m script -a /data/test.sh
3.4 copy模块
功能:从ansible服务器主控端复制文件到远程主机
#如目标存在,默认覆盖,此处指定先备份 [root@ansible_center ~]# ansible dbservers -m copy -a "src=/root/test.sh dest=/tmp/test1.sh mode=600 backup=yes" 192.168.75.188 | CHANGED => { "ansible_facts": { "discovered_interpreter_python": "/usr/libexec/platform-python" }, "changed": true, "checksum": "5387fb90b0500b6671858d1d6eddb61f7743a91e", "dest": "/tmp/test1.sh", "gid": 0, "group": "root", "md5sum": "8733baf69fd1d36449790f6dd410d486", "mode": "0600", "owner": "root", "size": 189, "src": "/root/.ansible/tmp/ansible-tmp-1624092791.491265-2524-170538428062380/source", "state": "file", "uid": 0 } 192.168.75.187 | CHANGED => { "ansible_facts": { "discovered_interpreter_python": "/usr/libexec/platform-python" }, "changed": true, "checksum": "5387fb90b0500b6671858d1d6eddb61f7743a91e", "dest": "/tmp/test1.sh", "gid": 0, "group": "root", "md5sum": "8733baf69fd1d36449790f6dd410d486", "mode": "0600", "owner": "root", "size": 189, "src": "/root/.ansible/tmp/ansible-tmp-1624092791.4955103-2522-209554212434124/source", "state": "file", "uid": 0 } [root@ansible_center ~]# ansible dbservers -a 'ls -l /tmp/test1.sh' 192.168.75.188 | CHANGED | rc=0 >> -rw------- 1 root root 189 Jun 19 16:53 /tmp/test1.sh 192.168.75.187 | CHANGED | rc=0 >> -rw------- 1 root root 189 Jun 19 16:53 /tmp/test1.sh #指定内容,直接生成目标文件 [root@ansible_center ~]# ansible dbservers -m copy -a "content='test line1\ntest line2' dest=/tmp/test.txt" 192.168.75.187 | CHANGED => { "ansible_facts": { "discovered_interpreter_python": "/usr/libexec/platform-python" }, "changed": true, "checksum": "43791ccbbcf72774b2bbbe6fe8d7ab488359b922", "dest": "/tmp/test.txt", "gid": 0, "group": "root", "md5sum": "f0e596e1a1a3ef7d278f2dda4d4e6ec8", "mode": "0644", "owner": "root", "size": 21, "src": "/root/.ansible/tmp/ansible-tmp-1624093082.1497128-2627-271928500573999/source", "state": "file", "uid": 0 } 192.168.75.188 | CHANGED => { "ansible_facts": { "discovered_interpreter_python": "/usr/libexec/platform-python" }, "changed": true, "checksum": "43791ccbbcf72774b2bbbe6fe8d7ab488359b922", "dest": "/tmp/test.txt", "gid": 0, "group": "root", "md5sum": "f0e596e1a1a3ef7d278f2dda4d4e6ec8", "mode": "0644", "owner": "root", "size": 21, "src": "/root/.ansible/tmp/ansible-tmp-1624093082.183581-2629-19983508277514/source", "state": "file", "uid": 0 } [root@ansible_center ~]# ansible dbservers -a 'cat /tmp/test.txt' 192.168.75.188 | CHANGED | rc=0 >> test line1 test line2 192.168.75.187 | CHANGED | rc=0 >> test line1 test line2 #复制/etc/下的文件,不包括/etc/目录自身 [root@ansible_center ~]# ansible dbservers -m copy -a “src=/etc/ dest=/backup”
3.5 fetch模块
功能:从远程主机提取文件至ansible的主控端,copy相反,目前不支持目录
[root@ansible_center ~]# ansible dbservers -m fetch -a 'src=/etc/redhat-release dest=/data/os' [root@ansible_center ~]# tree /data/os/ /data/os/ ├── 192.168.75.187 │ └── etc │ └── redhat-release └── 192.168.75.188 └── etc └── redhat-release 4 directories, 2 files
3.6 file模块
功能:设置文件属性
范例:
#创建文件 ansible all -m file -a 'path=/data/test.txt state=touch' #删除文件 ansible all -m file -a 'path=/data/test.txt state=absent' [root@ansible_center ~]# ansible dbservers -m file -a 'path=/data/test.txt owner=song mode=777 state=touch' [root@ansible_center ~]# ansible dbservers -m shell -a 'ls -l /data/test.txt' 192.168.75.188 | CHANGED | rc=0 >> -rwxrwxrwx 1 song root 0 Jun 19 17:26 /data/test.txt 192.168.75.187 | CHANGED | rc=0 >> -rwxrwxrwx 1 song root 0 Jun 19 17:26 /data/test.txt #创建目录 [root@ansible_center ~]# ansible dbservers -m file -a "path=/data/mysql state=directory owner=song group=song" [root@ansible_center ~]# ansible dbservers -m shell -a 'ls -ld /data/mysql' 192.168.75.188 | CHANGED | rc=0 >> drwxr-xr-x 2 song song 6 Jun 19 17:33 /data/mysql 192.168.75.187 | CHANGED | rc=0 >> drwxr-xr-x 2 song song 6 Jun 19 17:33 /data/mysql #创建软链接 [root@ansible_center ~]# ansible dbservers -m file -a 'src=/data/mysql dest=/data/mysql-link state=link' [root@ansible_center ~]# ansible dbservers -m shell -a 'ls -l /data/' 192.168.75.188 | CHANGED | rc=0 >> total 0 drwxr-xr-x 2 song song 6 Jun 19 17:33 mysql lrwxrwxrwx 1 root root 11 Jun 19 17:36 mysql-link -> /data/mysql -rwxrwxrwx 1 song root 0 Jun 19 17:26 test.txt 192.168.75.187 | CHANGED | rc=0 >> total 0 drwxr-xr-x 2 song song 6 Jun 19 17:33 mysql lrwxrwxrwx 1 root root 11 Jun 19 17:36 mysql-link -> /data/mysql -rwxrwxrwx 1 song root 0 Jun 19 17:26 test.txt
3.7 unarchive模块
功能:解包解压缩
实现有两种用法:
1、将ansible主机上的压缩包传到远程主机后解压缩至特定目录,设置copy=yes
2、将远程主机上的某个压缩包解压缩到指定路径下,设置copy=no
常见参数:
copy:默认为yes,当copy=yes,拷贝的文件是从ansible主机复制到远程主机上,如果设置为copy=no,会在远程主机上寻找src源文件
remote_src:和copy功能一样且互斥,yes表示在远程主机,不在ansible主机,no表示文件在ansible主机上
src:源路径,可以是ansible主机上的路径,也可以是远程主机上的路径,如果是远程主机上的路径,则需要设置copy=no
dest:远程主机上的目标路径
mode:设置解压缩后的文件权限
范例:
#从ansible主机上拷贝压缩包到远程主机并解压 [root@ansible_center ~]# ansible all -m unarchive -a 'src=/root/test.tar.gz dest=/data/' #从远程主机上拷贝压缩包并解压到远程主机目标点上 [root@ansible_center ~]# ansible all -m unarchive -a 'src=/root/test.tar.gz dest=/tmp/ copy=no'
3.8 archive模块
功能:打包压缩
其中format包括以下几种:bz2, gz, tar, xz, zip
范例:
[root@ansible_center ~]# ansible all -m archive -a 'path=/var/log/ dest=/data/os-log.tar.gz format=gz owner=song mode=0600'
3.9 hostname模块
功能:管理主机名
范例:
[root@ansible_center ~]# ansible webservers -m hostname -a 'name=nginx.swyer.local'
3.10 cron模板
功能:计划任务
支持时间:分(minute) 时(hour) 日(day) 月(month) 周(weekday)
范例:
[root@centos8 ~]#cat mysql_backup.sh mysqldump -A -F --single-transaction --master-data=2 -q -uroot |gzip > /data/mysql_`date +%F_%T`.sql.gz #创建任务 ansible 10.0.0.8 -m cron -a 'hour=2 minute=30 weekday=1-5 name="backup mysql" job=/root/mysql_backup.sh' ansible websrvs -m cron -a "minute=*/5 job='/usr/sbin/ntpdate 172.20.0.1 &>/dev/null' name=Synctime" #禁用计划任务 ansible websrvs -m cron -a "minute=*/5 job='/usr/sbin/ntpdate 172.20.0.1 &>/dev/null' name=Synctime disabled=yes" #启用计划任务 ansible websrvs -m cron -a "minute=*/5 job='/usr/sbin/ntpdate 172.20.0.1 &>/dev/null' name=Synctime disabled=no" #删除任务 ansible websrvs -m cron -a "name='backup mysql' state=absent" ansible websrvs -m cron -a 'state=absent name=Synctime'
3.11 yum模块
功能:管理软件包,只支持RHEL,CentOS,fedora,不支持ubuntu其它版本
范例:
#安装 [root@ansible_center ~]# ansible webservers -m yum -a 'name=vsftpd state=present' #删除 [root@ansible_center ~]# ansible webservers -m yum -a 'name=vsftpd state=absent'
3.12 service模块
功能:管理服务
范例
[root@ansible_center ~]# ansible webservers -m yum -a 'name=httpd state=present' [root@ansible_center ~]# ansible webservers -m service -a 'name=httpd state=started enabled=yes' [root@ansible_center ~]# ansible webservers -m service -a 'name=httpd state=stopped' [root@ansible_center ~]# ansible webservers -m service -a 'name=httpd state=reloaded’ [root@ansible_center ~]# ansible webservers -m shell -a "sed -i 's/^Listen 80/Listen 8080/' /etc/httpd/conf/httpd.conf" [root@ansible_center ~]# ansible webservers -m service -a 'name=httpd state=restarted' [root@ansible_center ~]# ansible webservers -m shell -a 'ss -ntl|grep 8080' 192.168.75.186 | CHANGED | rc=0 >> LISTEN 0 128 *:8080 *:*
3.13 user模块
功能:管理用户
范例
#创建用户 # ansible all -m user -a 'name=user1 comment=“test user” uid=2048 home=/app/user1 group=root' # ansible all -m user -a 'name=nginx comment=nginx uid=88 group=nginx groups="root,daemon" shell=/sbin/nologin system=yes create_home=no home=/data/nginx non_unique=yes' #删除用户及家目录等数据 # ansible all -m user -a 'name=nginx state=absent remove=yes'
3.14 group模块
功能:管理组
范例
#创建组 [root@ansible_center ~]# ansible webservers -m group -a 'name=nginx gid=88 system=yes' 192.168.75.186 | CHANGED => { "ansible_facts": { "discovered_interpreter_python": "/usr/libexec/platform-python" }, "changed": true, "gid": 88, "name": "nginx", "state": "present", "system": true } [root@ansible_center ~]# ansible webservers -m shell -a 'getent group |grep nginx' 192.168.75.186 | CHANGED | rc=0 >> nginx:x:88: #删除组 [root@ansible_center ~]# ansible webservers -m group -a 'name=nginx state=absent'
3.15 lineinfile模块
ansible在使用sed进行替换时,经常会遇到需要转义的问题,而且ansible在遇到特殊符号进行替换时,
存在问题,无法正常进行替换 。其实在ansible自身提供了两个模块:lineinfifile模块和replace模块,可
以方便的进行替换
功能:相当于sed,可以修改文件内容
范例:
[root@ansible_center ~]# ansible all -m lineinfile -a "path=/etc/selinux/config regexp='^SELINUX=' line='SELINUX=enforcing'" [root@ansible_center ~]# ansible all -m shell -a "grep '^SELINUX=' /etc/selinux/config" 192.168.75.186 | CHANGED | rc=0 >> SELINUX=enforcing 192.168.75.187 | CHANGED | rc=0 >> SELINUX=enforcing 192.168.75.188 | CHANGED | rc=0 >> SELINUX=enforcing [root@ansible_center ~]# ansible all -m lineinfile -a "dest=/etc/fstab state=absent regexp='^#'" [root@ansible_center ~]# ansible 192.168.75.186 -m shell -a "cat /etc/fstab" 192.168.75.186 | CHANGED | rc=0 >> UUID=e34719ca-ec48-4795-b0b0-a8145ae9b5cb / xfs defaults 0 0 UUID=5b713de2-b746-4036-a1ce-24e148c165b6 /boot ext4 defaults 1 2 UUID=7ff39b9b-efb1-44b8-9291-1b23e4551a0f /data xfs defaults 0 0 UUID=f1240d0a-0db4-4ac4-b9b8-acc4f41fc9f1 swap swap defaults 0
3.16 replace模块
该模块有点类似于sed命令,主要也是基于正则进行匹配和替换
范例:
ansible all -m replace -a "path=/etc/fstab regexp='^(UUID.*)' replace='#\1'" ansible all -m replace -a "path=/etc/fstab regexp='^#(.*)' replace='\1'"
3.17 setup模块
功能:setup模块来收集主机的系统信息,这些facts信息可以直接以变量的形式使用,但是如果主机较多,会影响执行速度
filter参数:用于进行条件过滤。如果设置,仅返回匹配过滤条件的信息。
ansible_all_ipv4_addresses:仅显示ipv4的信息。 ansible_devices:仅显示磁盘设备信息。 ansible_distribution:显示是什么系统,例:centos,suse等。 ansible_distribution_major_version:显示是系统主版本。 ansible_distribution_version:仅显示系统版本。 ansible_machine:显示系统类型,例:32位,还是64位。 ansible_eth0:仅显示eth0的信息。 ansible_hostname:仅显示主机名。 ansible_kernel:仅显示内核版本。 ansible_lvm:显示lvm相关信息。 ansible_memtotal_mb:显示系统总内存。 ansible_memfree_mb:显示可用系统内存。 ansible_memory_mb:详细显示内存情况。 ansible_swaptotal_mb:显示总的swap内存。 ansible_swapfree_mb:显示swap内存的可用内存。 ansible_mounts:显示系统磁盘挂载情况。 ansible_processor:显示cpu个数(具体显示每个cpu的型号)。 ansible_processor_vcpus:显示cpu个数(只显示总的个数)
ansible all -m setup ansible all -m setup -a "filter=ansible_nodename" ansible all -m setup -a "filter=ansible_hostname" ansible all -m setup -a "filter=ansible_domain" ansible all -m setup -a "filter=ansible_memtotal_mb" ansible all -m setup -a "filter=ansible_memory_mb" ansible all -m setup -a "filter=ansible_memfree_mb" ansible all -m setup -a "filter=ansible_os_family" ansible all -m setup -a "filter=ansible_distribution_major_version" ansible all -m setup -a "filter=ansible_distribution_version" ansible all -m setup -a "filter=ansible_processor_vcpus" ansible all -m setup -a "filter=ansible_all_ipv4_addresses" ansible all -m setup -a "filter=ansible_architecture" ansible all -m setup -a "filter=ansible_processor*"
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