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[Metro][Traffic Agent] Helmchart for Smart Traffic Agent (#1950)
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‎metro-ai-suite/smart-traffic-intersection-agent/chart/.helmignore‎

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# Patterns to ignore when building packages.
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.DS_Store
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*.swp
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*.bak
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*.tmp
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*.orig
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*~
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.git
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.gitignore
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.project
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.idea/
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*.tmproj
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.vscode/

‎metro-ai-suite/smart-traffic-intersection-agent/chart/Chart.yaml‎

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# Copyright (C) 2025 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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apiVersion: v2
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name: smart-traffic-intersection-agent
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description: A Helm chart for deploying the Smart Traffic Intersection Agent application
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type: application
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version: 1.0.0
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appVersion: "1.0.0"

‎metro-ai-suite/smart-traffic-intersection-agent/chart/templates/NOTES.txt‎

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{{/*
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Copyright (C) 2025 Intel Corporation
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SPDX-License-Identifier: Apache-2.0
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Smart Traffic Intersection Agent — Helm chart post-install notes
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*/}}
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1. Smart Traffic Intersection Agent has been deployed.
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Instance : {{ .Values.trafficAgent.intersection.name }}
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Namespace: {{ .Release.Namespace }}
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2. Get the traffic-agent backend URL:
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{{- if contains "NodePort" .Values.trafficAgent.service.type }}
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export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[?(@.name=='backend')].nodePort}" services {{ include "stia.trafficAgent.fullname" . }})
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export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
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echo "Backend: http://$NODE_IP:$NODE_PORT"
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{{- else if contains "ClusterIP" .Values.trafficAgent.service.type }}
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kubectl --namespace {{ .Release.Namespace }} port-forward svc/{{ include "stia.trafficAgent.fullname" . }} 8081:{{ .Values.trafficAgent.service.backendPort }} &
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echo "Backend: http://127.0.0.1:8081"
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{{- end }}
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3. Get the traffic-agent UI URL:
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{{- if contains "NodePort" .Values.trafficAgent.service.type }}
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export UI_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[?(@.name=='ui')].nodePort}" services {{ include "stia.trafficAgent.fullname" . }})
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echo "UI: http://$NODE_IP:$UI_PORT"
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{{- else if contains "ClusterIP" .Values.trafficAgent.service.type }}
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kubectl --namespace {{ .Release.Namespace }} port-forward svc/{{ include "stia.trafficAgent.fullname" . }} 7860:{{ .Values.trafficAgent.service.uiPort }} &
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echo "UI: http://127.0.0.1:7860"
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{{- end }}
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4. The VLM serving endpoint is available internally at:
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http://{{ include "stia.vlmServing.fullname" . }}:{{ .Values.vlmServing.service.port }}

‎metro-ai-suite/smart-traffic-intersection-agent/chart/templates/_helpers.tpl‎

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{{/*
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Copyright (C) 2025 Intel Corporation
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SPDX-License-Identifier: Apache-2.0
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*/}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "stia.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "stia.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "stia.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "stia.labels" -}}
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helm.sh/chart: {{ include "stia.chart" . }}
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{{ include "stia.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "stia.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "stia.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Define the fully qualified name for the traffic-agent.
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*/}}
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{{- define "stia.trafficAgent.fullname" -}}
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{{ .Release.Name | trunc 57 | trimSuffix "-" }}-{{ .Values.trafficAgent.name }}
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{{- end }}
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{{/*
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Define the fully qualified name for the VLM serving.
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*/}}
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{{- define "stia.vlmServing.fullname" -}}
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{{ .Release.Name | trunc 57 | trimSuffix "-" }}-{{ .Values.vlmServing.name }}
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{{- end }}
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{{/*
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Define the name of the CA cert secret.
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*/}}
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{{- define "stia.caCertSecretName" -}}
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{{- if .Values.tls.caCertSecretName }}
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{{- .Values.tls.caCertSecretName }}
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{{- else }}
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{{- include "stia.fullname" . }}-ca-cert
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{{- end }}
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{{- end }}

‎metro-ai-suite/smart-traffic-intersection-agent/chart/templates/pvc.yaml‎

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{{/*
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Copyright (C) 2025 Intel Corporation
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SPDX-License-Identifier: Apache-2.0
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*/}}
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{{- if .Values.vlmServing.persistence.enabled }}
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: {{ include "stia.vlmServing.fullname" . }}-models
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labels:
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{{- include "stia.labels" . | nindent 4 }}
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app.kubernetes.io/component: vlm-serving
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{{- if .Values.vlmServing.persistence.keepOnUninstall }}
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annotations:
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"helm.sh/resource-policy": keep
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{{- end }}
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spec:
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: {{ .Values.vlmServing.persistence.size }}
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{{- if .Values.vlmServing.persistence.storageClass }}
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storageClassName: {{ .Values.vlmServing.persistence.storageClass }}
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{{- end }}
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{{- end }}
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{{- if .Values.trafficAgent.persistence.enabled }}
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: {{ include "stia.trafficAgent.fullname" . }}-data
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labels:
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{{- include "stia.labels" . | nindent 4 }}
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app.kubernetes.io/component: traffic-agent
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spec:
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: {{ .Values.trafficAgent.persistence.size }}
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{{- if .Values.trafficAgent.persistence.storageClass }}
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storageClassName: {{ .Values.trafficAgent.persistence.storageClass }}
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{{- end }}
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{{- end }}

‎metro-ai-suite/smart-traffic-intersection-agent/chart/templates/secrets.yaml‎

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{{/*
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Copyright (C) 2025 Intel Corporation
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SPDX-License-Identifier: Apache-2.0
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*/}}
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{{- if and .Values.tls.caCert (not .Values.tls.caCertSecretName) }}
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apiVersion: v1
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kind: Secret
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metadata:
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name: {{ include "stia.fullname" . }}-ca-cert
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labels:
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{{- include "stia.labels" . | nindent 4 }}
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type: Opaque
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data:
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scenescape-ca.pem: {{ .Values.tls.caCert | b64enc | quote }}
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{{- end }}
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{{- if .Values.vlmServing.huggingfaceToken }}
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---
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apiVersion: v1
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kind: Secret
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metadata:
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name: {{ include "stia.fullname" . }}-hf-token
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labels:
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{{- include "stia.labels" . | nindent 4 }}
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type: Opaque
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data:
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token: {{ .Values.vlmServing.huggingfaceToken | b64enc | quote }}
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{{- end }}

‎metro-ai-suite/smart-traffic-intersection-agent/chart/templates/traffic-agent-configmap.yaml‎

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{{/*
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Copyright (C) 2025 Intel Corporation
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SPDX-License-Identifier: Apache-2.0
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*/}}
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: {{ include "stia.trafficAgent.fullname" . }}-config
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labels:
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{{- include "stia.labels" . | nindent 4 }}
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app.kubernetes.io/component: traffic-agent
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data:
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traffic_agent.json: |
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{
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"mqtt": {
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"host": {{ .Values.trafficAgent.mqtt.host | quote }},
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"port": {{ .Values.trafficAgent.mqtt.port }},
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"use_tls": true,
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"cert_required": false,
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"verify_hostname": false,
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"ca_cert_path": "secrets/certs/scenescape-ca.pem",
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"camera_topics": [
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"scenescape/data/camera/camera1",
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"scenescape/data/camera/camera2",
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"scenescape/data/camera/camera3",
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"scenescape/data/camera/camera4"
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],
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"image_topics": [
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"scenescape/image/camera/camera1",
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"scenescape/image/camera/camera2",
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"scenescape/image/camera/camera3",
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"scenescape/image/camera/camera4"
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],
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"rate_limit_seconds": 10.0
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},
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"weather": {
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"api_base_url": "https://api.weather.gov",
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"user_agent": "traffic-intelligence (admin@example.com)",
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"cache_duration_minutes": 11
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},
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"vlm": {
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"base_url": "http://{{ include "stia.vlmServing.fullname" . }}:{{ .Values.vlmServing.service.port }}",
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"model": {{ .Values.vlmServing.env.modelName | quote }},
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"timeout_seconds": {{ .Values.trafficAgent.env.vlmTimeoutSeconds | int }},
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"max_completion_tokens": {{ .Values.vlmServing.env.maxCompletionTokens | int }},
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"temperature": 0.1,
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"top_p": 0.1
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},
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"traffic": {
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"high_density_threshold": {{ .Values.trafficAgent.traffic.highDensityThreshold | int }},
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"analysis_window_seconds": 30
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}
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}
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deployment_instance.json: |
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{
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"name": {{ .Values.trafficAgent.intersection.name | quote }},
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"latitude": {{ .Values.trafficAgent.intersection.latitude }},
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"longitude": {{ .Values.trafficAgent.intersection.longitude }},
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"agent_backend_port": "",
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"agent_ui_port": ""
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}

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