service: add salt-minion

(cherry picked from commit 37dcf65)

docs/configuration/service/index.rst

@@ -19,6 +19,7 @@ Service
    mdns
    pppoe-server
    router-advert
+   salt-minion
    snmp
    ssh
    tftp-server

docs/configuration/service/salt-minion.rst

@@ -0,0 +1,53 @@
+.. _saltminion:
+
+###########
+Salt-Minion
+###########
+
+SaltStack_ is Python-based, open-source
+software for event-driven IT automation, remote task execution, and 
+configuration management. Supporting the "infrastructure as code" 
+approach to data center system and network deployment and management, 
+configuration automation, SecOps orchestration, vulnerability remediation,
+and hybrid cloud control.
+
+
+************
+Requirements
+************
+
+To use the Salt-Minion, a running Salt-Master is required. You can find more
+in the `Salt Poject Documentaion
+<https://docs.saltproject.io/en/latest/contents.html>`_
+
+*************
+Configuration
+*************
+
+.. cfgcmd:: set service salt-minion hash <type>
+
+   The hash type used when discovering file on master server (default: sha256)
+
+.. cfgcmd:: set service salt-minion id <id>
+
+   Explicitly declare ID for this minion to use (default: hostname)
+
+.. cfgcmd:: set service salt-minion interval <1-1440>
+
+   Interval in minutes between updates (default: 60)
+
+.. cfgcmd:: set service salt-minion master <hostname | IP>
+
+    The hostname or IP address of the master
+
+.. cfgcmd:: set service salt-minion master-key <key>
+
+    URL with signature of master for auth reply verification
+
+
+Please take a look in the Automation section to find some usefull
+Examples.
+
+
+
+.. _SaltStack: https://saltproject.io/