feat: Adds ironic-prometheus-exporter

.github/workflows/containers.yaml

@@ -13,6 +13,7 @@ on:
       - "containers/ironic-nautobot-client/**"
       - "containers/ironic-vnc-client/**"
       - "containers/understack-tests/**"
+      - "containers/ironic-prometheus-exporter/**"
       - "python/**"
       - ".github/workflows/containers.yaml"
       - ".github/workflows/build-container-reuse.yaml"
@@ -46,6 +47,8 @@ jobs:
             target: prod
           - name: nautobot
             target: prod
+          - name: ironic-prometheus-exporter
+            target: prod
     uses: ./.github/workflows/build-container-reuse.yaml
     secrets: inherit
     with:

apps/site/ironic-prometheus-exporter.yaml

@@ -0,0 +1,6 @@
+---
+component: ironic-prometheus-exporter
+componentNamespace: openstack
+sources:
+  - ref: understack
+    path: 'components/ironic-prometheus-exporter'

charts/argocd-understack/Chart.yaml

@@ -21,7 +21,7 @@ version: 0.1.0
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "1.16.0"
+appVersion: "1.16.1"
 
 maintainers:
   - name: rackerlabs

charts/argocd-understack/templates/application-ironic-prometheus-exporter.yaml.tpl

@@ -0,0 +1,31 @@
+{{- if or (eq (include "understack.isEnabled" (list $.Values.global "ironic_prometheus_exporter")) "true") (eq (include "understack.isEnabled" (list $.Values.site "ironic_prometheus_exporter")) "true") }}
+---
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: {{ printf "%s-%s" $.Release.Name "ironic-prometheus-exporter" }}
+  annotations:
+    argocd.argoproj.io/compare-options: ServerSideDiff=true,IncludeMutationWebhook=true
+spec:
+  destination:
+    namespace: openstack
+    server: {{ $.Values.cluster_server }}
+  project: understack
+  sources:
+  - path: components/ironic-prometheus-exporter
+    ref: understack
+    repoURL: {{ include "understack.understack_url" $ }}
+    targetRevision: {{ include "understack.understack_ref" $ }}
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    managedNamespaceMetadata:
+      annotations:
+        argocd.argoproj.io/sync-options: Delete=false
+    syncOptions:
+    - CreateNamespace=true
+    - ServerSideApply=true
+    - RespectIgnoreDifferences=true
+    - ApplyOutOfSyncOnly=true
+{{- end }}

charts/argocd-understack/values.yaml

@@ -305,6 +305,15 @@ site:
     # renovate: datasource=helm depName=ironic registryUrl=https://tarballs.opendev.org/openstack/openstack-helm
     chartVersion: 2025.2.8+01c93d867
 
+  # -- ironic-prometheus-exporter
+  ironic_prometheus_exporter:
+    # -- Enable/disable deploying ironic-prometheus-exporter
+    # @default -- true
+    enabled: true
+    # -- Sync wave for deployment ordering
+    # @default -- 4
+    wave: 4
+
   # -- Neutron (Networking Service)
   neutron:
     # -- Enable/disable deploying Neutron

components/images-openstack.yaml

@@ -22,16 +22,16 @@ images:
     keystone_fernet_setup: "ghcr.io/rackerlabs/understack/keystone:2025.2"
 
     # ironic
-    ironic_api: "ghcr.io/rackerlabs/understack/ironic:2025.2"
-    ironic_conductor: "ghcr.io/rackerlabs/understack/ironic:2025.2"
-    ironic_pxe: "ghcr.io/rackerlabs/understack/ironic:2025.2"
-    ironic_pxe_init: "ghcr.io/rackerlabs/understack/ironic:2025.2"
+    ironic_api: "ghcr.io/rackerlabs/understack/ironic:pr-1673"
+    ironic_conductor: "ghcr.io/rackerlabs/understack/ironic:pr-1673"
+    ironic_pxe: "ghcr.io/rackerlabs/understack/ironic:pr-1673"
+    ironic_pxe_init: "ghcr.io/rackerlabs/understack/ironic:pr-1673"
     ironic_pxe_http: "docker.io/nginx:1.29.4"
-    ironic_db_sync: "ghcr.io/rackerlabs/understack/ironic:2025.2"
+    ironic_db_sync: "ghcr.io/rackerlabs/understack/ironic:pr-1673"
     # these want curl which apparently is in the openstack-client image
-    ironic_manage_cleaning_network: "ghcr.io/rackerlabs/understack/openstack-client:2025.2"
-    ironic_retrive_cleaning_network: "ghcr.io/rackerlabs/understack/openstack-client:2025.2"
-    ironic_retrive_swift_config: "ghcr.io/rackerlabs/understack/openstack-client:2025.2"
+    ironic_manage_cleaning_network: "ghcr.io/rackerlabs/understack/openstack-client:pr-1673"
+    ironic_retrive_cleaning_network: "ghcr.io/rackerlabs/understack/openstack-client:pr-1673"
+    ironic_retrive_swift_config: "ghcr.io/rackerlabs/understack/openstack-client:pr-1673"
 
     # neutron
     neutron_db_sync: "ghcr.io/rackerlabs/understack/neutron:2025.2"

components/ironic-prometheus-exporter/deployment.yaml

@@ -0,0 +1,46 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: ironic-prometheus-exporter
+  namespace: openstack
+  labels:
+    app: ironic-prometheus-exporter
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: ironic-prometheus-exporter
+  template:
+    metadata:
+      labels:
+        app: ironic-prometheus-exporter
+    spec:
+      containers:
+        - name: ironic-prometheus-exporter
+          image: ghcr.io/rackerlabs/understack/ironic-prometheus-exporter:pr-1673
+          imagePullPolicy: IfNotPresent
+          ports:
+            - name: metrics
+              containerPort: 8000
+              protocol: TCP
+          volumeMounts:
+            - name: ironic-prometheus-exporter
+              mountPath: /opt/stack/node_metrics
+              readOnly: true
+          # Uncomment and adjust if your container requires explicit arguments
+          # args:
+          #   - --metrics-path
+          #   - /opt/stack/node_metrics
+          #   - --port
+          #   - "8000"
+          resources:
+            requests:
+              cpu: 50m
+              memory: 64Mi
+            limits:
+              cpu: 250m
+              memory: 256Mi
+      volumes:
+        - name: ironic-prometheus-exporter
+          persistentVolumeClaim:
+            claimName: pvc-ironic-prometheus-exporter

components/ironic-prometheus-exporter/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - deployment.yaml
+  - service.yaml
+  - service-monitor.yaml

components/ironic-prometheus-exporter/service-monitor.yaml

@@ -0,0 +1,16 @@
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: ironic-prometheus-exporter
+  namespace: openstack
+spec:
+  selector:
+    matchLabels:
+      app: ironic-prometheus-exporter
+  namespaceSelector:
+    matchNames:
+      - openstack
+  endpoints:
+    - port: metrics
+      interval: 30s
+      path: /metrics

components/ironic-prometheus-exporter/service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: ironic-prometheus-exporter
+  namespace: openstack
+  labels:
+    app: ironic-prometheus-exporter
+spec:
+  type: ClusterIP
+  selector:
+    app: ironic-prometheus-exporter
+  ports:
+    - name: metrics
+      port: 8000
+      targetPort: 8000
+      protocol: TCP

components/ironic/ironic-prometheus-exporter-pvc.yaml

@@ -0,0 +1,25 @@
+# apiVersion: v1
+# kind: PersistentVolumeClaim
+# metadata:
+#   labels:
+#     undercloud.local/purpose: ironic-prometheus-exporter
+#   name: pvc-ironic-prometheus-exporter
+#   namespace: openstack
+# spec:
+#   accessModes:
+#   - ReadWriteOnce
+#   resources:
+#     requests:
+#       storage: 1Gi
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: pvc-ironic-prometheus-exporter
+  namespace: openstack
+spec:
+  storageClassName: ceph-fs-ec
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 1Gi

components/ironic/kustomization.yaml

@@ -20,3 +20,5 @@ resources:
   # Alerting
   - pr-clean-failed-servers.yaml
   - pr-resource-availability.yaml
+  # ironic-prometheus-exporter
+  - ironic-prometheus-exporter-pvc.yaml

components/ironic/values.yaml

@@ -230,6 +230,8 @@ pod:
           - name: ironic-etc-snippets
             mountPath: /etc/ironic/ironic.conf.d
             readOnly: true
+          - name: ironic-prometheus-exporter
+            mountPath: /opt/stack/node_metrics
         volumes:
           - name: dnsmasq-ironic
             persistentVolumeClaim:
@@ -247,6 +249,9 @@ pod:
                     name: ironic-ks-etc
           - name: pod-usr-share-novnc
             emptyDir: {}
+          - name: ironic-prometheus-exporter
+            persistentVolumeClaim:
+              claimName: pvc-ironic-prometheus-exporter
     ironic_api:
       ironic_api:
         volumeMounts:

containers/ironic-prometheus-exporter/Dockerfile

@@ -0,0 +1,35 @@
+FROM python:3.12-slim AS prod
+
+ENV PIP_NO_CACHE_DIR=off \
+    PIP_DISABLE_PIP_VERSION_CHECK=on \
+    PIP_DEFAULT_TIMEOUT=100
+
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+      git \
+    && apt-get autoremove -y \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY containers/ironic-prometheus-exporter/requirements.txt /
+
+RUN --mount=type=cache,target=/root/.cache/pip pip install -r /requirements.txt dumb-init==1.2.5
+
+RUN useradd -m -d /runner -s /bin/bash runner
+WORKDIR /runner
+USER runner
+
+# RUN --mount=type=cache,target=/root/.cache/pip ansible-galaxy collection install -r /requirements.yml
+
+# ENTRYPOINT ["dumb-init"]
+# CMD ["ansible-runner"]
+CMD ["python", "-m", "flask", "run"]
+# gunicorn3 -b <ip_address>:9608 \
+#   --env IRONIC_CONFIG=$IRONIC_CONFIG \
+#   --env FLASK_DEBUG=1 -w 4 \
+#   --access-logfile=ipe_access.log \
+#   --error-logfile=ipe_errors.log \
+#   -D ironic_prometheus_exporter.app.wsgi:application
+# CMD [
+#     "gunicorn", "-b", "0.0.0.0:9608"
+# ]

containers/ironic-prometheus-exporter/README.md

@@ -0,0 +1,5 @@
+# ironic-prometheus-exporter
+
+``` bash
+docker build -t ironic-prometheus-exporter -f containers/ironic-prometheus-exporter/Dockerfile .
+```

containers/ironic-prometheus-exporter/requirements.txt

@@ -0,0 +1,2 @@
+ironic-prometheus-exporter
+gunicorn

containers/ironic/Dockerfile

@@ -29,7 +29,8 @@ RUN --mount=type=cache,target=/root/.cache/uv \
         /src/ironic \
         /src/understack/ironic-understack \
         /src/understack/understack-flavor-matcher \
-        proliantutils==2.16.3
+        proliantutils==2.16.3 \
+        ironic-prometheus-exporter==4.7.0
 
 COPY containers/ironic/patches /tmp/patches/
 RUN cd /var/lib/openstack/lib/python3.12/site-packages && \