[root@linux-node1 ~]# cd /srv/salt/prod/
[root@linux-node1 prod]# mkdir modules/redis -p
[root@linux-node1 prod]# tree
.
└── modules└── redis

[root@linux-node1 redis]# cat redis-install.sls
redis-install:pkg.installed:- name: redis

[root@linux-node1 prod]# pwd
/srv/salt/prod
[root@linux-node1 prod]# mkdir redis-cluster
[root@linux-node1 prod]# cd redis-cluster/
[root@linux-node1 redis-cluster]# vi redis-master.sls
[root@linux-node1 redis-cluster]# cat redis-master.sls
include:- modules.redis.redis-installredis-master-config:file.managed:- name: /etc/redis.conf- source: salt://redis-cluster/files/redis-master.conf- user: root- group: root- mode: 644- template: jinja- defaults:REDIS_MEM: 1Gredis-master-service:service.running:- name: redis- enable: True- watch:- file: redis-master-config

[root@linux-node1 redis-cluster]# yum install redis
[root@linux-node1 redis-cluster]# cp /etc/redis.conf  /srv/salt/prod/redis-cluster/files/
[root@linux-node1 redis-cluster]# tree
.
├── files
│   └── redis.conf
└── redis-master.sls

[root@linux-node1 files]# mv redis.conf redis-master.conf
[root@linux-node1 files]# pwd
/srv/salt/prod/redis-cluster/files

[root@linux-node1 files]# grep -E  'bind|daemonize|maxmemory' redis-master.conf  |grep -v ^#
bind 0.0.0.0
daemonize yes
maxmemory {{ REDIS_MEM }}

[root@linux-node1 redis-cluster]# salt 'linux-node2*' state.sls redis-cluster.redis-master test=True saltenv=prod
linux-node2.example.com:
----------ID: redis-installFunction: pkg.installedName: redisResult: NoneComment: The following packages are set to be installed/updated: redisStarted: 22:45:55.034779Duration: 2514.889 msChanges:
----------ID: redis-master-configFunction: file.managedName: /etc/redis.confResult: NoneComment: The file /etc/redis.conf is set to be changedStarted: 22:45:57.551713Duration: 27.659 msChanges:   ----------newfile:/etc/redis.conf
----------ID: redis-master-serviceFunction: service.runningName: redisResult: NoneComment: Service is set to be startedStarted: 22:45:57.637546Duration: 71.324 msChanges:   Summary
------------
Succeeded: 3 (unchanged=3, changed=1)
Failed:    0
------------
Total states run:     3

[root@linux-node1 redis-cluster]# salt 'linux-node2*' state.sls redis-cluster.redis-master  saltenv=prod
linux-node2.example.com:
----------ID: redis-installFunction: pkg.installedName: redisResult: TrueComment: The following packages were installed/updated: redisStarted: 22:48:16.616612Duration: 15732.74 msChanges:   ----------jemalloc:----------new:3.6.0-1.el7old:redis:----------new:3.2.10-2.el7old:
----------ID: redis-master-configFunction: file.managedName: /etc/redis.confResult: TrueComment: File /etc/redis.conf updatedStarted: 22:48:32.351877Duration: 45.19 msChanges:   ----------diff:--- +++ @@ -44,7 +44,7 @@## Examples:#-# bind 192.168.1.100 10.0.0.1+#bind 0.0.0.0# bind 127.0.0.1 ::1## ~~~ WARNING ~~~ If the computer running Redis is directly exposed to the@@ -58,7 +58,7 @@# IF YOU ARE SURE YOU WANT YOUR INSTANCE TO LISTEN TO ALL THE INTERFACES# JUST COMMENT THE FOLLOWING LINE.# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-bind 127.0.0.1+bind 0.0.0.0# Protected mode is a layer of security protection, in order to avoid that# Redis instances left open on the internet are accessed and exploited.@@ -125,7 +125,7 @@# By default Redis does not run as a daemon. Use 'yes' if you need it.# Note that Redis will write a pid file in /var/run/redis.pid when daemonized.-daemonize no+daemonize yes# If you run Redis from upstart or systemd, Redis can interact with your# supervision tree. Options:@@ -534,7 +534,7 @@# limit for maxmemory so that there is some free RAM on the system for slave# output buffers (but this is not needed if the policy is 'noeviction').#-# maxmemory <bytes>+maxmemory 1G# MAXMEMORY POLICY: how Redis will select what to remove when maxmemory# is reached. You can select among five behaviors:mode:0644user:root
----------ID: redis-master-serviceFunction: service.runningName: redisResult: TrueComment: Service redis has been enabled, and is runningStarted: 22:48:32.412154Duration: 453.972 msChanges:   ----------redis:TrueSummary
------------
Succeeded: 3 (changed=3)
Failed:    0
------------
Total states run:     3

salt 'linux-node2*' state.sls redis-cluster.redis-master saltenv=prod

[root@linux-node2 ~]# ps aux |grep redis
redis      5147  0.3  0.3 142904  5808 ?        Ssl  22:48   0:00 /usr/bin/redis-server 0.0.0.0:6379
root       5192  0.0  0.0 112648   976 pts/0    S+   22:49   0:00 grep --color=auto redis
[root@linux-node2 ~]#