feat: Add Prometheus monitoring for ingress and egress

Author: alisson276

egress/templates/_helpers.tpl

@@ -60,3 +60,14 @@ Create the name of the service account to use
 {{- default "default" .Values.serviceAccount.name }}
 {{- end }}
 {{- end }}
+
+{{/*
+Create the name of the pod monitor to use
+*/}}
+{{- define "egress.podMonitorName" -}}
+{{- if .Values.podMonitor.create }}
+{{- default (include "egress.fullname" .) .Values.podMonitor.name }}
+{{- else }}
+{{- default "default" .Values.podMonitor.name }}
+{{- end }}
+{{- end }}

egress/templates/podmonitor.yaml

@@ -0,0 +1,20 @@
+{{- if and .Values.podMonitor.create .Values.egress.prometheus_port -}}
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: {{ include "egress.podMonitorName" . }}
+  labels:
+    {{- include "egress.labels" . | nindent 4 }}
+  {{- with .Values.podMonitor.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  endpoints:
+    - port: metrics
+      path: /
+      interval: {{ .Values.podMonitor.interval }}
+  selector:
+    matchLabels:
+      {{- include "egress.selectorLabels" . | nindent 6 }}
+{{- end }}

egress/values.yaml

@@ -41,3 +41,14 @@ securityContext: {}
 tolerations: []
 
 affinity: {}
+
+podMonitor:
+  # Specifies whether a service monitor should be created
+  create: false
+  # Annotations to add to the service monitor
+  annotations: {}
+  # The name of the service monitor to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name: ""
+  # The scrape interval
+  interval: 30s

ingress/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: ingress
 description: Ingress is used by LiveKit to ingest streams produced by external workflows
 type: application
-version: 1.4.4
+version: 1.4.3
 appVersion: "v1.4.3"
 
 sources:

ingress/templates/_helpers.tpl

@@ -60,3 +60,14 @@ Create the name of the service account to use
 {{- default "default" .Values.serviceAccount.name }}
 {{- end }}
 {{- end }}
+
+{{/*
+Create the name of the service monitor to use
+*/}}
+{{- define "ingress.serviceMonitorName" -}}
+{{- if .Values.serviceMonitor.create }}
+{{- default (include "ingress.fullname" .) .Values.serviceMonitor.name }}
+{{- else }}
+{{- default "default" .Values.serviceMonitor.name }}
+{{- end }}
+{{- end }}

ingress/templates/service.yaml

@@ -22,6 +22,12 @@ spec:
     - port: {{ .Values.ingress.whipPort }}
       protocol: TCP
       name: whip
-
+    {{- end }}
+    {{- if .Values.ingress.prometheus_port }}
+    - port: {{ .Values.ingress.prometheus_port }}
+      targetPort: metrics
+      protocol: TCP
+      name: metrics
+    {{- end }}
   selector:
     {{- include "ingress.selectorLabels" . | nindent 4 }}

ingress/templates/servicemonitor.yaml

@@ -0,0 +1,20 @@
+{{- if and .Values.serviceMonitor.create .Values.ingress.prometheus_port -}}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ include "ingress.serviceMonitorName" . }}
+  labels:
+    {{- include "ingress.labels" . | nindent 4 }}
+  {{- with .Values.serviceMonitor.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  endpoints:
+    - port: metrics
+      path: /
+      interval: {{ .Values.serviceMonitor.interval }}
+  selector:
+    matchLabels:
+      {{- include "ingress.selectorLabels" . | nindent 6 }}
+{{- end }}

ingress/values.yaml

@@ -61,3 +61,14 @@ securityContext: {}
 tolerations: []
 
 affinity: {}
+
+serviceMonitor:
+  # Specifies whether a service monitor should be created
+  create: false
+  # Annotations to add to the service monitor
+  annotations: {}
+  # The name of the service monitor to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name: ""
+  # The scrape interval
+  interval: 30s