gistfile1.txt

Action in my sls file :

{%  set hostname = grains['host'] %}
hostname_zabbix_agentd.conf:
  file.replace:
    - name: /etc/zabbix/zabbix_agentd.conf
    - pattern: HOSTNAMEAGENT
    - repl: hostname
    - show_changes: True
    - bufsize: file
    
 My Zabix conf sample :
 
 ##### Active checks related

### Option: ServerActive
#	List of comma delimited IP:port (or hostname:port) pairs of Zabbix servers for active checks.
#	If port is not specified, default port is used.
#	IPv6 addresses must be enclosed in square brackets if port for that host is specified.
#	If port is not specified, square brackets for IPv6 addresses are optional.
#	If this parameter is not specified, active checks are disabled.
#	Example: ServerActive=192.168.196.61:20051,zabbix.domain,[::1]:30051,::1,[12fc::1]
#
# Mandatory: no
# Default:
# ServerActive=

ServerActive=IPSERVER

### Option: Hostname
#	Unique, case sensitive hostname.
#	Required for active checks and must match hostname as configured on the server.
#	Value is acquired from HostnameItem if undefined.
#
# Mandatory: no
# Default:
# Hostname=

Hostname=HOSTNAMEAGENT