[newrelic-logging] Allow setting a custom metrics endpoint to bypass …

…the broken autodetection (#1450)

#### Is this a new chart

No

#### What this PR does / why we need it:

Allows overriding the default metrics endpoint, as it's already possible
for the logs endpoint

#### Which issue this PR fixes
  - fixes #1399

#### Special notes for your reviewer:

#### Checklist
[Place an '[x]' (no spaces) in all applicable fields. Please remove
unrelated fields.]
- [X] Chart Version bumped
- [ ] Variables are documented in the README.md
- [X] Title of the PR starts with chart name (e.g. `[mychartname]`)

---------

Co-authored-by: voorepreethi <[email protected]>

charts/newrelic-logging/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 description: A Helm chart to deploy New Relic Kubernetes Logging as a DaemonSet, supporting both Linux and Windows nodes and containers
 name: newrelic-logging
-version: 1.23.3
+version: 1.23.4
 appVersion: 2.1.0
 home: https://github.com/newrelic/kubernetes-logging
 icon: https://newrelic.com/assets/newrelic/source/NewRelic-logo-square.svg

charts/newrelic-logging/templates/_helpers.tpl

@@ -184,6 +184,8 @@ Returns metricsHost
 {{- define "newrelic-logging.metricsHost" -}}
 {{- if (include "newrelic.nrStaging" .) -}}
 staging-metric-api.newrelic.com
+{{- else if .Values.metricsEndpoint -}}
+{{ .Values.metricsEndpoint -}}
 {{- else if eq (substr 0 2 (include "newrelic-logging.licenseKey" .)) "eu" -}}
 metric-api.eu.newrelic.com
 {{- else -}}

charts/newrelic-logging/values.yaml

@@ -23,6 +23,7 @@
 # whether your account is for the EU region or not.
 #
 # endpoint: https://log-api.newrelic.com/log/v1
+# metricsEndpoint: metric-api.newrelic.com
 
 fluentBit:
   logLevel: "info"