add delay to salt-minion service starting - https://github.com/Security-Onion-Solutions/securityonion/issues/3543

salt/salt/minion.defaults.yaml

@@ -4,3 +4,4 @@ salt:
   minion:
     version: 3003
     check_threshold: 3600 # in seconds, threshold used for so-salt-minion-check. any value less than 600 seconds may cause a lot of salt-minion restarts since the job to touch the file occurs every 5-8 minutes by default
+    service_start_delay: 30 # in seconds.

salt/salt/minion.sls

@@ -2,9 +2,11 @@
 {% from 'salt/map.jinja' import UPGRADECOMMAND with context %}
 {% from 'salt/map.jinja' import SALTVERSION %}
 {% from 'salt/map.jinja' import INSTALLEDSALTVERSION %}
+{% from 'salt/minion.defaults.yaml' import salt.minion.service_start_delay as service_start_delay %}
 
 include:
   - salt
+  - systemd.reload
 
 install_salt_minion:
   cmd.run:
@@ -32,8 +34,21 @@ set_log_levels:
     - listen_in:
       - service: salt_minion_service
 
+salt_minion_service_unit_file:
+  file.managed:
+    - name: /etc/systemd/system/multi-user.target.wants/salt-minion.service
+    - source: salt://salt/service/salt-minion.servic.jinja
+    - template: jinja
+    - defaults:
+      - service_start_delay: {{ service_start_delay }}
+    - onchanges_in:
+      - module: systemd_reload
+    - listen_in:
+      - service: salt_minion_service
+
 salt_minion_service:
   service.running:
     - name: salt-minion
     - enable: True
     - onlyif: test "{{INSTALLEDSALTVERSION}}" == "{{SALTVERSION}}"
+

salt/salt/service/salt-minion.service.jinja

@@ -0,0 +1,30 @@
+[Unit]
+Description=The Salt Minion
+Documentation=man:salt-minion(1) file:///usr/share/doc/salt/html/contents.html https://docs.saltstack.com/en/latest/contents.html
+After=network.target salt-master.service
+
+[Service]
+KillMode=process
+Type=notify
+NotifyAccess=all
+LimitNOFILE=8192
+ExecStart=/usr/bin/salt-minion
+ExecStartPre=/bin/sleep {{ salt['pillar.get']('salt:minion:service_start_delay', service_start_delay) }}
+
+[Install]
+WantedBy=multi-user.target
+
+
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salt/systemd/reload.sls

@@ -0,0 +1,3 @@
+systemd_reload:
+  module.run:
+    - service.systemctl_reload: []