MKP 2.3.4. Fixed agent crash if opcache_get_status is disabled by server settings

local/lib/python3/cmk/base/plugins/agent_based/nextcloud_database.py

@@ -35,6 +35,9 @@ def check_nextcloud_database(params, section):
             yield Metric("nc_database_size", size)
             state = getStateLower(levels, opcache_hit_rate)
             summary = f"PHP OPCache hit rate: {render.percent(opcache_hit_rate)}"
+            if opcache_hit_rate == 0:
+                state = State.UNKNOWN
+                summary = f"PHP OPCache hit rate: 0% - please check if opcache_get_status is enabled"
             details = f"\nDatabase type: {type}\nDatabase version: {version}\nDatabase size: {render.bytes(size)}"
             yield(Result(state=state, summary=summary, details=details))