zammad: Installiere Opensearch statt ES

templates/opensearch.monit

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+check process opensearch with pidfile /run/opensearch/opensearch.pid
+  start program = "/usr/sbin/service opensearch start"
+  stop program = "/usr/sbin/service opensearch stop"
+  if failed host {{ opensearch.network_host }} port {{ opensearch.http_port }} for 3 cycles then restart
+  if 5 restarts within 5 cycles then timeout

templates/opensearch.yml

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+# {{ ansible_managed }}
+
+path.data: /var/lib/opensearch
+path.logs: /var/log/opensearch
+
+network.host: {{ opensearch.network_host }}
+http.port: {{ opensearch.http_port }}
+discovery.type: single-node
+
+compatibility.override_main_response_version: true
+plugins.security.disabled: true