ITEP-73124: fix missing models in k8s deployment (#228)

## 📝 Description

After recent refactoring in
#99 we need to
adjust how models are beeing downloaded for k8s deployment.

### Testing

```
SKIP_BRINGUP=1 REQUIRED_FPS=0 ./deploy.sh && make -C kubernetes
NAME: scenescape-release-1
LAST DEPLOYED: Tue Jul 29 15:39:10 2025
NAMESPACE: scenescape
STATUS: deployed
REVISION: 1
TEST SUITE: None
make: Leaving directory '/home/jdanieck/repos/scenescape/kubernetes'

jdanieck@jdanieck-dev:~/repos/scenescape$ k -n scenescape get pods
NAME                                                              READY   STATUS    RESTARTS   AGE
scenescape-release-1-atag-qcam1-atag-qcam1-de57f5c8-video-mfxrl   1/1     Running   0          98s
scenescape-release-1-atag-qcam2-atag-qcam2-d41a19c2-video-xxnxs   1/1     Running   0          98s
scenescape-release-1-broker-dep-599b987cf7-4pqvs                  1/1     Running   0          4m44s
scenescape-release-1-camcalibration-dep-8667f5f9dd-ftqkk          1/1     Running   0          4m44s
scenescape-release-1-camera1-camera1-858d3192-video-dep-6562xv4   1/1     Running   0          98s
scenescape-release-1-camera2-camera2-f4b78bdb-video-dep-578d25n   1/1     Running   0          98s
scenescape-release-1-kubeclient-dep-7f99f85b65-4cdpv              1/1     Running   0          4m44s
scenescape-release-1-ntp-dep-7fc76bdb75-7x4jt                     1/1     Running   0          4m44s
scenescape-release-1-pgserver-dep-77b5ddd7f4-nqtzj                1/1     Running   0          4m44s
scenescape-release-1-scene-dep-b59678668-svb5f                    1/1     Running   0          4m44s
scenescape-release-1-vdms-dep-5cfbd88dfb-r7gsj                    1/1     Running   0          4m44s
scenescape-release-1-web-dep-c7877f6f4-d2lr4                      1/1     Running   0          4m44s
...

<img width="1248" height="883" alt="image" src="https://github.com/user-attachments/assets/a19dbd58-270b-4cbf-89c7-d13d87925670" />


## ✨ Type of Change

Select the type of change your PR introduces:

- [x] 🐞 **Bug fix** – Non-breaking change which fixes an issue
- [ ] 🚀 **New feature** – Non-breaking change which adds functionality
- [ ] 🔨 **Refactor** – Non-breaking change which refactors the code base
- [ ] 💥 **Breaking change** – Changes that break existing functionality
- [ ] 📚 **Documentation update**
- [ ] 🔒 **Security update**
- [ ] 🧪 **Tests**
- [ ] 🚂 **CI**

## 🧪 Testing Scenarios

Describe how the changes were tested and how reviewers can test them too:

- [x] ✅ Tested manually
- [ ] 🤖 Ran automated end-to-end tests

## ✅ Checklist

Before submitting the PR, ensure the following:

- [ ] 🔍 PR title is clear and descriptive
- [ ] 📝 For internal contributors: If applicable, include the JIRA ticket number (e.g., ITEP-123456) in the PR **title**. Do **not** include full URLs
- [ ] 💬 I have commented my code, especially in hard-to-understand areas
- [ ] 📄 I have made corresponding changes to the documentation
- [ ] ✅ I have added tests that prove my fix is effective or my feature works

---------

Co-authored-by: Sarat Poluri <[email protected]>

Author: jdanieck

kubernetes/init-images/Dockerfile-models

@@ -1,12 +1,29 @@
-# -*- mode: Fundamental; indent-tabs-mode: nil -*-
 
 # SPDX-FileCopyrightText: (C) 2023 - 2025 Intel Corporation
 # SPDX-License-Identifier: Apache-2.0
 
-FROM busybox
+# --- Builder stage ---
+FROM python:3.12-slim@sha256:9c1d9ed7593f2552a4ea47362ec0d2ddf5923458a53d0c8e30edf8b398c94a31 AS builder
 
-COPY model_installer/models /root/models
+WORKDIR /root
 
+RUN apt-get update && apt-get install -y --no-install-recommends wget && rm -rf /var/lib/apt/lists/*
+
+COPY model_installer/src/install-omz-models model_installer/requirements-runtime.txt .
+COPY percebro/config/model-config.json .
+
+RUN pip install --no-cache-dir -r requirements-runtime.txt
+
+ENV MODEL_DIR=/root/models
+ENV MODEL_CONFIGFILE=/root/model-config.json
+RUN python install-omz-models --default --precisions FP32
+
+# --- Runtime stage ---
+FROM busybox:1.37@sha256:f9a104fddb33220ec80fc45a4e606c74aadf1ef7a3832eb0b05be9e90cd61f5f
+
+WORKDIR /root
+
+COPY --from=builder /root/models /root/models
 COPY sample_data /root/sample_data
 COPY controller/config/tracker-config.json /root/controller/tracker-config.json
 

model_installer/src/install-omz-models

@@ -15,7 +15,7 @@ OMZ_DIR = "/usr/local/lib/open_model_zoo"
 MODEL_DIR = os.environ.get("MODEL_DIR") if "MODEL_DIR" in os.environ else "/workspace/models"
 OVMS_MODEL_DIR = os.path.join(MODEL_DIR, "ovms")
 MODEL_CACHE_DIR = os.path.join(OVMS_MODEL_DIR, "cache")
-MODEL_CONFIGFILE = "/workspace/percebro/config/model-config.json"
+MODEL_CONFIGFILE = os.environ.get("MODEL_CONFIGFILE") if "MODEL_CONFIGFILE" in os.environ else "/workspace/percebro/config/model-config.json"
 OVMS_CONFIGFILE = f"{MODEL_DIR}/ovms-config.json"
 OMZ_BASE_URL = "https://storage.openvinotoolkit.org/repositories/open_model_zoo/2023.0/models_bin/1"
 # Special case: some public models have a different base URL