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gh-readonly-queue/main/pr-8572-9d768b7ba9c274eb1a2980162af4cda6ef6327ba
in repository https://gitbox.apache.org/repos/asf/texera.git

commit f16e7cdc287e6b044473ecf227f6b2251e188dc2
Author: dzueck <[email protected]>
AuthorDate: Wed Oct 7 15:03:49 2026 +0000

    feat: support for vm runtime configurations for compute units and texera 
micro services (#8572)
    
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    ### What changes were proposed in this PR?
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    Adds support for running compute units and micro services inside a vm
    using [kata containers](https://katacontainers.io/). This is important
    for security as arbitrary code submitted by users can run inside these
    compute units. This PR adds the option to use VMs, but does not require
    it. It is only targeted at k8s deployments and was tested using RKE2.
    Note: k8s distributions like minikube may need additional steps to
    support VMs.
    
    To enable VMs you must first install kata containers following [these
    
instructions](https://kata-containers.github.io/kata-containers/installation/).
    Make sure to follow the helm instructions. After this, you can enable
    Compute Units to use a VM by modifying these two lines in
    bin/k8s/values.yaml:
      - name: KUBERNETES_COMPUTING_UNIT_RUNTIME_CLASS_CPU
        value: "kata-qemu-runtime-rs"
      - name: KUBERNETES_COMPUTING_UNIT_RUNTIME_CLASS_GPU
        value: "kata-qemu-nvidia-gpu-runtime-rs"
    
    To enable texera specific micro services to run in a VM modify this
    line:
    global:
      texeraMicroServiceRuntimeClass: "kata-qemu-runtime-rs"
    
    ### Any related issues, documentation, discussions?
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    already.
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    Closes #8545
    Discussed in #8430
    
    ### How was this PR tested?
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    is tested with existing test cases. Make sure to include/update test
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    reviewers can
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    please describe why they were not added and/or why it was difficult to
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    Primarily tested in v1.2.0 where performance tests were done with
    various micro benchmark workflows which can be seen in #8430. Additional
    functionality testing still needs to be done on the latest commits.
    
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    Generated-by: Gemini 4.1 Pro
    
    ---------
    
    Signed-off-by: dzueck <[email protected]>
---
 .../access-control-service-deployment.yaml                   |  3 +++
 .../base/agent-service/agent-service-deployment.yaml         |  3 +++
 .../base/config-service/config-service-deployment.yaml       |  3 +++
 .../base/example-data-loader/example-data-loader-job.yaml    |  3 +++
 .../templates/base/file-service/file-service-deployment.yaml |  3 +++
 bin/k8s/templates/base/lakefs/lakefs-setup-job.yaml          |  3 +++
 bin/k8s/templates/base/litellm/litellm-deployment.yaml       |  3 +++
 bin/k8s/templates/base/webserver/webserver-deployment.yaml   |  3 +++
 .../workflow-compiling-service-deployment.yaml               |  3 +++
 .../workflow-computing-unit-manager-deployment.yaml          |  3 +++
 .../workflow-computing-unit-master-prepull-daemonset.yaml    |  3 +++
 bin/k8s/values.yaml                                          | 12 ++++++++++++
 .../org/apache/texera/service/util/KubernetesClient.scala    | 11 ++++++++---
 13 files changed, 53 insertions(+), 3 deletions(-)

diff --git 
a/bin/k8s/templates/base/access-control-service/access-control-service-deployment.yaml
 
b/bin/k8s/templates/base/access-control-service/access-control-service-deployment.yaml
index 7d63720365..99419d1f54 100644
--- 
a/bin/k8s/templates/base/access-control-service/access-control-service-deployment.yaml
+++ 
b/bin/k8s/templates/base/access-control-service/access-control-service-deployment.yaml
@@ -37,6 +37,9 @@ spec:
       # for a dedicated identity.
       serviceAccountName: {{ .Values.accessControlService.serviceAccountName }}
       {{- end }}
+      {{- if .Values.global.texeraMicroServiceRuntimeClass }}
+      runtimeClassName: {{ .Values.global.texeraMicroServiceRuntimeClass | 
quote }}
+      {{- end }}
       containers:
         - name: {{ .Values.accessControlService.name }}
           image: {{ .Values.texera.imageRegistry }}/{{ 
.Values.accessControlService.imageName }}:{{ .Values.texera.imageTag }}
diff --git a/bin/k8s/templates/base/agent-service/agent-service-deployment.yaml 
b/bin/k8s/templates/base/agent-service/agent-service-deployment.yaml
index 399b3a9058..4732bae1fa 100644
--- a/bin/k8s/templates/base/agent-service/agent-service-deployment.yaml
+++ b/bin/k8s/templates/base/agent-service/agent-service-deployment.yaml
@@ -33,6 +33,9 @@ spec:
       labels:
         app: {{ .Release.Name }}-{{ .Values.agentService.name }}
     spec:
+      {{- if .Values.global.texeraMicroServiceRuntimeClass }}
+      runtimeClassName: {{ .Values.global.texeraMicroServiceRuntimeClass | 
quote }}
+      {{- end }}
       containers:
         - name: {{ .Values.agentService.name }}
           image: {{ .Values.texera.imageRegistry }}/{{ 
.Values.agentService.imageName }}:{{ .Values.texera.imageTag }}
diff --git 
a/bin/k8s/templates/base/config-service/config-service-deployment.yaml 
b/bin/k8s/templates/base/config-service/config-service-deployment.yaml
index d6775483eb..7b86369f25 100644
--- a/bin/k8s/templates/base/config-service/config-service-deployment.yaml
+++ b/bin/k8s/templates/base/config-service/config-service-deployment.yaml
@@ -32,6 +32,9 @@ spec:
       labels:
         app: {{ .Release.Name }}-{{ .Values.configService.name }}
     spec:
+      {{- if .Values.global.texeraMicroServiceRuntimeClass }}
+      runtimeClassName: {{ .Values.global.texeraMicroServiceRuntimeClass | 
quote }}
+      {{- end }}    
       containers:
         - name: {{ .Values.configService.name }}
           image: {{ .Values.texera.imageRegistry }}/{{ 
.Values.configService.imageName }}:{{ .Values.texera.imageTag }}
diff --git 
a/bin/k8s/templates/base/example-data-loader/example-data-loader-job.yaml 
b/bin/k8s/templates/base/example-data-loader/example-data-loader-job.yaml
index 15759be409..f245350cab 100644
--- a/bin/k8s/templates/base/example-data-loader/example-data-loader-job.yaml
+++ b/bin/k8s/templates/base/example-data-loader/example-data-loader-job.yaml
@@ -27,6 +27,9 @@ spec:
     metadata:
       name: {{ .Release.Name }}-example-data-loader
     spec:
+      {{- if .Values.global.texeraMicroServiceRuntimeClass }}
+      runtimeClassName: {{ .Values.global.texeraMicroServiceRuntimeClass | 
quote }}
+      {{- end }}      
       restartPolicy: Never
       containers:
         - name: example-data-loader
diff --git a/bin/k8s/templates/base/file-service/file-service-deployment.yaml 
b/bin/k8s/templates/base/file-service/file-service-deployment.yaml
index 6a9190bc6c..b60eddf11b 100644
--- a/bin/k8s/templates/base/file-service/file-service-deployment.yaml
+++ b/bin/k8s/templates/base/file-service/file-service-deployment.yaml
@@ -32,6 +32,9 @@ spec:
       labels:
         app: {{ .Release.Name }}-{{ .Values.fileService.name }}
     spec:
+      {{- if .Values.global.texeraMicroServiceRuntimeClass }}
+      runtimeClassName: {{ .Values.global.texeraMicroServiceRuntimeClass | 
quote }}
+      {{- end }}      
       containers:
         - name: {{ .Values.fileService.name }}
           image: {{ .Values.texera.imageRegistry }}/{{ 
.Values.fileService.imageName }}:{{ .Values.texera.imageTag }}
diff --git a/bin/k8s/templates/base/lakefs/lakefs-setup-job.yaml 
b/bin/k8s/templates/base/lakefs/lakefs-setup-job.yaml
index 914a614406..b7fdd51364 100644
--- a/bin/k8s/templates/base/lakefs/lakefs-setup-job.yaml
+++ b/bin/k8s/templates/base/lakefs/lakefs-setup-job.yaml
@@ -26,6 +26,9 @@ spec:
     metadata:
       name: {{ .Release.Name }}-lakefs-setup-job
     spec:
+      {{- if .Values.global.texeraMicroServiceRuntimeClass }}
+      runtimeClassName: {{ .Values.global.texeraMicroServiceRuntimeClass | 
quote }}
+      {{- end }}      
       restartPolicy: Never
       containers:
         - name: setup-lakefs
diff --git a/bin/k8s/templates/base/litellm/litellm-deployment.yaml 
b/bin/k8s/templates/base/litellm/litellm-deployment.yaml
index ba681da7d1..7bc729ef87 100644
--- a/bin/k8s/templates/base/litellm/litellm-deployment.yaml
+++ b/bin/k8s/templates/base/litellm/litellm-deployment.yaml
@@ -33,6 +33,9 @@ spec:
       labels:
         app: {{ .Release.Name }}-{{ .Values.litellm.name }}
     spec:
+      {{- if .Values.global.texeraMicroServiceRuntimeClass }}
+      runtimeClassName: {{ .Values.global.texeraMicroServiceRuntimeClass | 
quote }}
+      {{- end }}
       containers:
         - name: {{ .Values.litellm.name }}
           image: {{ .Values.litellm.image }}
diff --git a/bin/k8s/templates/base/webserver/webserver-deployment.yaml 
b/bin/k8s/templates/base/webserver/webserver-deployment.yaml
index 983c626994..99a5887095 100644
--- a/bin/k8s/templates/base/webserver/webserver-deployment.yaml
+++ b/bin/k8s/templates/base/webserver/webserver-deployment.yaml
@@ -32,6 +32,9 @@ spec:
       labels:
         app: {{ .Release.Name }}-{{ .Values.webserver.name }}
     spec:
+      {{- if .Values.global.texeraMicroServiceRuntimeClass }}
+      runtimeClassName: {{ .Values.global.texeraMicroServiceRuntimeClass | 
quote }}
+      {{- end }}      
       containers:
         - name: {{ .Values.webserver.name }}
           image: {{ .Values.texera.imageRegistry }}/{{ 
.Values.webserver.imageName }}:{{ .Values.texera.imageTag }}
diff --git 
a/bin/k8s/templates/base/workflow-compiling-service/workflow-compiling-service-deployment.yaml
 
b/bin/k8s/templates/base/workflow-compiling-service/workflow-compiling-service-deployment.yaml
index 2061e9e53e..a538ce4a86 100644
--- 
a/bin/k8s/templates/base/workflow-compiling-service/workflow-compiling-service-deployment.yaml
+++ 
b/bin/k8s/templates/base/workflow-compiling-service/workflow-compiling-service-deployment.yaml
@@ -32,6 +32,9 @@ spec:
       labels:
         app: {{ .Release.Name }}-{{ .Values.workflowCompilingService.name }}
     spec:
+      {{- if .Values.global.texeraMicroServiceRuntimeClass }}
+      runtimeClassName: {{ .Values.global.texeraMicroServiceRuntimeClass | 
quote }}
+      {{- end }}      
       containers:
         - name: {{ .Values.workflowCompilingService.name }}
           image: {{ .Values.texera.imageRegistry }}/{{ 
.Values.workflowCompilingService.imageName }}:{{ .Values.texera.imageTag }}
diff --git 
a/bin/k8s/templates/base/workflow-computing-unit-manager/workflow-computing-unit-manager-deployment.yaml
 
b/bin/k8s/templates/base/workflow-computing-unit-manager/workflow-computing-unit-manager-deployment.yaml
index f529fe3653..1f6ef3f99b 100644
--- 
a/bin/k8s/templates/base/workflow-computing-unit-manager/workflow-computing-unit-manager-deployment.yaml
+++ 
b/bin/k8s/templates/base/workflow-computing-unit-manager/workflow-computing-unit-manager-deployment.yaml
@@ -32,6 +32,9 @@ spec:
       labels:
         app: {{ .Release.Name }}-{{ .Values.workflowComputingUnitManager.name 
}}
     spec:
+      {{- if .Values.global.texeraMicroServiceRuntimeClass }}
+      runtimeClassName: {{ .Values.global.texeraMicroServiceRuntimeClass | 
quote }}
+      {{- end }}      
       serviceAccountName: {{ 
.Values.workflowComputingUnitManager.serviceAccountName }}
       initContainers:
         - name: wait-lakekeeper
diff --git 
a/bin/k8s/templates/base/workflow-computing-unit-pool/workflow-computing-unit-master-prepull-daemonset.yaml
 
b/bin/k8s/templates/base/workflow-computing-unit-pool/workflow-computing-unit-master-prepull-daemonset.yaml
index 4edc0104a8..b85a6feedb 100644
--- 
a/bin/k8s/templates/base/workflow-computing-unit-pool/workflow-computing-unit-master-prepull-daemonset.yaml
+++ 
b/bin/k8s/templates/base/workflow-computing-unit-pool/workflow-computing-unit-master-prepull-daemonset.yaml
@@ -31,6 +31,9 @@ spec:
       labels:
         app: {{ .Release.Name }}-computing-unit-master-prepuller
     spec:
+      {{- if .Values.global.texeraMicroServiceRuntimeClass }}
+      runtimeClassName: {{ .Values.global.texeraMicroServiceRuntimeClass | 
quote }}
+      {{- end }}      
       restartPolicy: Always
       tolerations:
         - operator: "Exists"
diff --git a/bin/k8s/values.yaml b/bin/k8s/values.yaml
index c72120a2e2..2058b2a0f8 100644
--- a/bin/k8s/values.yaml
+++ b/bin/k8s/values.yaml
@@ -22,6 +22,10 @@ texera:
   imageTag: 1.4.0-incubating-SNAPSHOT
 
 global:
+  # If using VMs for texera specific microservices, change this to the desired 
runtime otherwise leave as "". Recommended: "kata-qemu-runtime-rs"
+  # Note: kata containers must be installed to use kata-qemu-runtime-rs
+  # Note: This does not change the runtime of dependencies or Compute Units.
+  texeraMicroServiceRuntimeClass: ""
   # Required by the Bitnami postgresql sub-chart to allow custom images
   security:
     allowInsecureImages: true
@@ -533,6 +537,14 @@ texeraEnvVars:
   - name: AUTH_JWT_SECRET
     # Development-only default (256-bit HS256 secret). Production environments 
MUST override this with a different, securely generated secret.
     value: "a7f3c8e9b14d2e6f5a0b9c3d8e1f4a6b2c5d7e9f0a3b6c8d1e4f7a9b2c5d8e1f"
+  - name: KUBERNETES_COMPUTING_UNIT_RUNTIME_CLASS_CPU
+    # If using VMs for CUs change this to the desired runtime otherwise leave 
as "". Recommended: "kata-qemu-runtime-rs"
+    # Note: kata containers must be installed to use kata-qemu-runtime-rs
+    value: ""
+  - name: KUBERNETES_COMPUTING_UNIT_RUNTIME_CLASS_GPU
+    # If using VMs for CUs change this to the desired runtime otherwise leave 
as "". Recommended: "kata-qemu-nvidia-gpu-runtime-rs"
+    # Note: kata containers must be installed to use 
kata-qemu-nvidia-gpu-runtime-r
+    value: ""
 
 yWebsocketServer:
   name: y-websocket-server
diff --git 
a/computing-unit-managing-service/src/main/scala/org/apache/texera/service/util/KubernetesClient.scala
 
b/computing-unit-managing-service/src/main/scala/org/apache/texera/service/util/KubernetesClient.scala
index 704513159d..e88c0ea50c 100644
--- 
a/computing-unit-managing-service/src/main/scala/org/apache/texera/service/util/KubernetesClient.scala
+++ 
b/computing-unit-managing-service/src/main/scala/org/apache/texera/service/util/KubernetesClient.scala
@@ -194,9 +194,14 @@ class KubernetesClient(
       .endMetadata()
       .withNewSpec()
 
-    // Only add runtimeClassName when using NVIDIA GPU
-    if (gpuLimit != "0" && KubernetesConfig.gpuResourceKey.contains("nvidia")) 
{
-      specBuilder.withRuntimeClassName("nvidia")
+    val runtimeClassOpt: Option[String] = if (gpuLimit != "0") {
+      
sys.env.get("KUBERNETES_COMPUTING_UNIT_RUNTIME_CLASS_GPU").filter(_.nonEmpty)
+    } else {
+      
sys.env.get("KUBERNETES_COMPUTING_UNIT_RUNTIME_CLASS_CPU").filter(_.nonEmpty)
+    }
+
+    runtimeClassOpt.foreach { runtimeClass =>
+      specBuilder.withRuntimeClassName(runtimeClass)
     }
 
     val containerBuilder = specBuilder

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