#1850 disable internal metric service, add micrometer, add PrometheusMetricsPlugin

[robfrank]

What does this PR do?

Implementation of #1850

Related issues

#1850

Checklist

• I have run the build using mvn clean package command
• My unit tests cover both failure and success scenarios

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.24%	✅ 78.67%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (9e44506)	68274	43828	64.19%
Head commit (d3328e2)	68297 (+23)	43676 (-152)	63.95% (-0.24%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#1851)	75	59	78.67%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[robfrank]

To test the prometheus endpoint, build the binaries

mvn clean install -DskipTests

run the server:

./package/target/arcadedb-25.1.1-SNAPSHOT.dir/arcadedb-25.1.1-SNAPSHOT/bin/server.sh \
-Darcadedb.serverMetrics=true \
-Darcadedb.serverMetrics.logging=true \ 
-Darcadedb.server.plugins=Prometheus:com.arcadedb.metrics.prometheus.PrometheusMetricsPlugin \
-Darcadedb.serverMetrics.prometheus.requireAuthentication=false \
-Darcadedb.server.defaultDatabases="Beer[root]{import:https://github.com/ArcadeData/arcadedb-datasets/raw/main/orientdb/OpenBeer.gz}"

open the browser to http://localhost:2480/prometheus

properties:

• arcadedb.serverMetrics (deafault to true): enable/disable the metrics
• arcadedb.serverMetrics.logging (default to false): enable to print out of metring in the logs
• arcadedb.serverMetrics.prometheus.requireAuthentication (default to true): configure authentication for the endpoint

[gramian]

I can try to add this new functionality to the docs once it is merged.