Support flexible p0-p99 latency

Author: kkhandelwal-nr

charts/nr-ebpf-agent/templates/_helpers.tpl

@@ -148,11 +148,10 @@ which contains pre-built kernel headers matching the RHCOS kernel.
 Validate the user inputted quantile when sampling by latency.
 */}}
 {{- define "validate.samplingLatency" -}}
-{{- $validOptions := list "" "p1" "p10" "p50" "p90" "p99" -}}
 {{- $protocol := .protocol -}}
 {{- $latency := .latency -}}
-{{- if not (has $latency $validOptions) -}}
-{{- fail (printf "Invalid samplingLatency '%s' for protocol '%s'. Valid options are: %v" $latency $protocol $validOptions) -}}
+{{- if and (ne $latency "") (not (regexMatch "^p([0-9]|[1-9][0-9])$" $latency)) -}}
+{{- fail (printf "Invalid samplingLatency '%s' for protocol '%s'. Valid options are: p0-p99 (e.g. p0, p1, p10, p50, p90, p99)" $latency $protocol) -}}
 {{- end -}}
 {{- end -}}
 
@@ -227,7 +226,7 @@ Generate environment variables for protocols configuration including enabled/dis
     {{- if and (eq $config.spans.enabled true) (hasKey $config.spans "samplingLatency") }}
       {{- include "validate.samplingLatency" (dict "protocol" $protocol "latency" $config.spans.samplingLatency) }}
 - name: PROTOCOLS_{{ upper $protocol }}_SPANS_SAMPLING_LATENCY
-  value: "{{ $config.spans.samplingLatency | regexMatch "p1|p10|p50|p90|p99" | ternary $config.spans.samplingLatency "" }}"
+  value: "{{ $config.spans.samplingLatency | regexMatch "^p([0-9]|[1-9][0-9])$" | ternary $config.spans.samplingLatency "" }}"
     {{- end }}
   {{- end }}
   {{- end }}

charts/nr-ebpf-agent/values.yaml

@@ -18,7 +18,8 @@ namespaceLicenseKeys: {}
 # -- Use this instead of namespaceLicenseKeys to avoid storing license keys in values.yaml.
 # -- The secret must contain a key named NAMESPACE_LICENSE_KEY_MAP with a JSON-encoded namespace-to-license-key map.
 customSecretNamespaceLicenseKeys: ""
-# -- If using a customSecretLicenseKey, you must supply your region "US"/"EU". Otherwise, leave this value as an empty string.
+# -- If using a customSecretLicenseKey, you must supply your region "US"/"EU"/"JP". Otherwise, leave this value as an empty string.
+# -- Accepted values: "staging", "US", "EU", "JP". Leave this value as an empty string for US (default).
 region: ""
 # -- Custom OTLP endpoint URL. When set, this takes precedence over the region-based static endpoints.
 customOtlpEndpoint: ""
@@ -69,7 +70,7 @@ ai_monitoring:
   # 'auto' (send only when neither APM nor OTel agent is attached)
   enabled: false
   # samplingLatency represents the sampling latency threshold for the spans to export.
-  # Options: p1, p10, p50, p90, p99.
+  # Options: any percentile from p0 to p99 (e.g., p0, p1, p5, p10, p50, p90, p99).
   samplingLatency: "p50"
   # -- samplingErrorRate represents the error rate threshold
   # for an HTTP route where surpassing it would mean the
@@ -195,7 +196,7 @@ logDataFilters:
 # Each protocol has the flexibility to selectively enable the type of OTLP data to export.
 # Metrics are sent by default when a protocol is enabled and it supports metrics. Note: AMQP, Kafka, DNS do not report metrics.
 # samplingLatency represents the sampling latency threshold for the spans to export.
-# Options: p1, p10, p50, p90, p99.
+# Options: any percentile from p0 to p99 (e.g., p0, p1, p5, p10, p50, p90, p99).
 protocols:
   global:
     # Controls maximum unlinked spans reported per protocol. Set to 0 to disable limit.