Saltstack 安裝應用
master 10.10.10.96
minion 10.10.10.97
一、系統準備
[root@master ~]# uname -r
2.6.32-504.el6.x86_64
# salt --version
salt 2016.3.3 (Boron)
1、設置關閉 selinux
[root@master ~]# cat /etc/sysconfig/selinux |grep -v ^#
SELINUX=disabled
SELINUXTYPE=targeted
2、設置iptables
# iptables -A INPUT -p tcp --dport 4505 -j ACCEPT
# iptables -A INPUT -p tcp --dport 4506 -j ACCEPT
# /etc/init.d/iptables save
3、安裝 gcc c++
# yum install gcc gcc-c++ -y
4、配置yum 源
# cat /etc/yum.repos.d/saltstack.repo
[saltstack]
name=saltstack
baseurl=https://repo.saltstack.com/yum/rhel6/
enabled=1
gpgcheck=0
# rhel7 可以以此更改URL 安裝源;
5、安裝配置
master:
# yum install salt-master salt-minion salt-ssh salt-syndic salt-cloud -y
6、配置master
# mkdir /srv/{salt,pillar}
# cat /etc/salt/master
interface: 10.10.10.96
# 綁定master通信IP
publish_port: 4505
master_id: master
auto_accept: True
# 打開key的自動驗證
pidfile: /var/run/salt-master.pid
pki_dir: /etc/salt/pki
file_roots:
base:
- /srv/salt
# 指定saltstack文件根目錄位置
pillar_roots:
base:
- /srv/pillar
# 指定pillar的配置目錄
#
當/etc/salt/master沒有配置auto_accept: True時,需要通過salt-key命令來進行證書認證操作
salt-key -L 顯示已認證或未認證的被控端id
salt-key -D 刪除所有認證主機id證書
salt-key -d id 刪除單個id證書
salt-key -A 接受所有id證書
salt-key -a id 接受單個id證書
salt-key -j id 拒絕單個id證書
salt-key –J 拒絕所有id證書
#
7、啓動
# service salt-master start
# chkconfig salt-master on
8、minion 端:
# yum install salt-minion -y
配置 minion
[root@client ~]# cat /etc/salt/minion
master: 10.10.10.96
id: client
9、啓動
# service salt-minion start
# chkconfig salt-minion on
10、向客戶端發送命令檢測;
[root@master ~]# salt-key -L
# 查看minion 列表
[root@master ~]# salt 'client' test.ping
二、提示問題:
# salt '*' test.ping
[ERROR] Salt request timed out. If this error persists, worker_threads may need to be increased.
Failed to authenticate! This is most likely because this user is not permitted to execute commands, but there is a small possibility that a disk error occurred (check disk/inode usage).
Salt因爲握手不成功報錯[要求增加線程]解決辦法?一般都是配置問題
解決方法:
檢測配置文件 /etc/salt/master裏面的worker_threads 參數
檢測 IPtables和4506 4505 端口;
三、常用模塊及API
通過sys模塊列出當前版本支持的模塊
#salt '*' sys.list_modules
1、archive模塊:實現系統層面的壓縮包調用
# salt ‘*’ archive.gzip /tmp/sourcefile.txt
# salt ‘*’ archive.gunzip /tmp/sourcefile.txt.gz
2、cmd模塊:實現遠程的命令行調用執行(默認具有root權限)
# salt ‘*’ cmd.run ‘free -m’
在遠程主機運行test.sh腳本,其中script/test.sh存放在file_roots指定的目錄,該命令會有兩個動作,首先同步test.sh到minion的cache目錄(/var/cache/salt/minion/files/base/script/),其次運行該腳本
# salt ‘nginx_update’ cmd.script salt://script/test.sh
3、cp模塊:實現遠程文件、目錄的複製,以及下載URL文件等操作
將指定被控主機的/etc/hosts文件複製到被控主機本地的salt cache目錄/var/cache/salt/minion/localfiles
# salt ‘*’ cp.cache_local_file /etc/hosts
將主服務器file_roots指定位置下的目錄複製到被控主機
# salt ‘*’ cp.get_dir salt://path/to/dir /minion/dest
將主服務器file_roots指定位置下的文件複製到被控主機
# salt ‘*’ cp.get_file salt://path/to/file /minion/dest
下載URL內容到被控主機指定位置
# salt ‘*’ cp.get_url http://www.slashdot.org /tmp/index.html
刪除 文件
salt '*' file.remove /tmp/test
4、cron模塊:實現被控主機的crontab操作
查看指定被控主機root用戶的crontab清單
# salt ‘nginx_update’ cron.raw_cron root
爲指定的被控主機root用戶添加/usr/local/weekly任務作業
# salt ‘nginx_update’ cron.set_job root ‘*’ ‘*’ ‘*’ ‘*’ 1 /usr/local/weekly
刪除指定的被控主機root用戶的crontab的/usr/local/weekly任務作業
# salt ‘nginx_update’ cron.rm_job root /usr/local/weekly
5、dnsutil模塊:實現被控主機通用DNS相關操作
添加指定被控主機hosts的主機配置項
# salt ‘nginx_update’ dnsutil.hosts_append /etc/hosts 127.0.0.1 localhost.com
刪除指定被控主機hosts的主機配置項
# salt ‘nginx_update’ dnsutil.hosts_remove /etc/hosts localhost.com
6、file模塊:被控主機文件常見操作,包括文件讀寫,權限,查找,校驗等
# salt ‘*’ file.chown /etc/passwd root root
# salt ‘*’ file.copy /path/to/src /path/to/dst
# salt '*' file.directory_exists /etc/
# salt '*' file.file_exists /etc/passwd
# salt '*' file.stats /etc/passwd
# salt '*' file.get_mode /etc/passwd
# salt '*' file.set_mode /etc/passwd 0644
# salt '*' file.mkdir /tmp/test
# salt ‘*’ file.sed /etc/httpd/httpd.conf ‘LogLevel warn’ ‘LogLevel info’
# salt '*' file.append /tmp/test/testfile 'maxclient 100'
# salt '*' file.remove /tmp/test/testfile
7、pkg包管理模塊:被控主機程序包管理,如yum
# salt ‘*’ pkg.install php
# salt ‘*’ pkg.remove php
# salt ‘*’ pkg.upgrade
8、service服務模塊:被控主機程序包服務管理
# salt ‘*’ service.enable nginx
# salt ‘*’ service.disable nginx
# salt ‘*’ service.reload nginx
# salt ‘*’ service.restart nginx
# salt ‘*’ service.start nginx
# salt ‘*’ service.stop nginx
# salt ‘*’ service.status nginx
9、iptables模塊
# salt ‘*’ iptables.append filter INPUT rule=’-m state -state RELATED,ESTABLISHED -j ACCEPT’
# salt ‘*’ iptables.insert filter INPUT position=3 rule=’-m state -state RELATED,ESTABLISHED -j ACCEPT’
# salt ‘*’ iptables.delete filter INPUT position=3
# salt ‘*’ iptables.delete filter INPUT rule=’ -m state -state RELATED,ESTABLISHED -j ACCEPT’
# salt ‘*’ iptables.save /etcsysconfig/iptables
四、官方參考:
http://docs.saltstack.cn/topics/installation/rhel.html