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blumeops/containers/transmission-exporter/Dockerfile

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Replace transmission-exporter with homegrown Python exporter (#283) ## Summary - Replace unmaintained `metalmatze/transmission-exporter:master` sidecar with a homegrown Python exporter - Uses `prometheus_client` + `transmission-rpc` with collect-on-scrape pattern (fresh metrics per scrape, no stale labels) - Same metric names so existing Grafana Transmission dashboard works unchanged - Container built with `uv` for dependency management, follows `grafana-sidecar` Dockerfile pattern ## Changes - **New:** `containers/transmission-exporter/exporter.py` — single-file exporter (~130 lines) - **New:** `containers/transmission-exporter/Dockerfile` — multi-stage Alpine build with uv - **Modified:** `argocd/manifests/torrent/deployment.yaml` — swap sidecar image reference - **Modified:** `argocd/manifests/torrent/kustomization.yaml` — add image tag entry - **Modified:** `service-versions.yaml` — add transmission-exporter entry ## Deployment and Testing - [ ] Build container: `mise run container-build-and-release transmission-exporter` - [ ] Update kustomization.yaml newTag with build SHA - [ ] Branch deploy: `argocd app set torrent --revision feature/transmission-exporter-python && argocd app sync torrent` - [ ] Verify metrics: `kubectl -n torrent --context=minikube-indri port-forward svc/transmission 19091:19091` then `curl localhost:19091/metrics | grep transmission_` - [ ] Verify Grafana Transmission dashboard panels populate - [ ] After merge: `argocd app set torrent --revision main && argocd app sync torrent` Reviewed-on: https://forge.eblu.me/eblume/blumeops/pulls/283
2026-03-04 21:55:00 -08:00
# Transmission Prometheus exporter - collect-on-scrape, no polling loop
# uv run --script handles dependency resolution at runtime
Bump transmission-exporter to v1.0.1 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-05 08:04:02 -08:00
ARG CONTAINER_APP_VERSION=1.0.1
Replace transmission-exporter with homegrown Python exporter (#283) ## Summary - Replace unmaintained `metalmatze/transmission-exporter:master` sidecar with a homegrown Python exporter - Uses `prometheus_client` + `transmission-rpc` with collect-on-scrape pattern (fresh metrics per scrape, no stale labels) - Same metric names so existing Grafana Transmission dashboard works unchanged - Container built with `uv` for dependency management, follows `grafana-sidecar` Dockerfile pattern ## Changes - **New:** `containers/transmission-exporter/exporter.py` — single-file exporter (~130 lines) - **New:** `containers/transmission-exporter/Dockerfile` — multi-stage Alpine build with uv - **Modified:** `argocd/manifests/torrent/deployment.yaml` — swap sidecar image reference - **Modified:** `argocd/manifests/torrent/kustomization.yaml` — add image tag entry - **Modified:** `service-versions.yaml` — add transmission-exporter entry ## Deployment and Testing - [ ] Build container: `mise run container-build-and-release transmission-exporter` - [ ] Update kustomization.yaml newTag with build SHA - [ ] Branch deploy: `argocd app set torrent --revision feature/transmission-exporter-python && argocd app sync torrent` - [ ] Verify metrics: `kubectl -n torrent --context=minikube-indri port-forward svc/transmission 19091:19091` then `curl localhost:19091/metrics | grep transmission_` - [ ] Verify Grafana Transmission dashboard panels populate - [ ] After merge: `argocd app set torrent --revision main && argocd app sync torrent` Reviewed-on: https://forge.eblu.me/eblume/blumeops/pulls/283
2026-03-04 21:55:00 -08:00
FROM python:3.13-alpine3.23
Add consistent OCI labels to all container Dockerfiles Every container now carries title, description, version, source, and vendor labels per the OCI image spec. Version is derived from the existing CONTAINER_APP_VERSION ARG at build time. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-18 20:42:00 -07:00
ARG CONTAINER_APP_VERSION
Replace transmission-exporter with homegrown Python exporter (#283) ## Summary - Replace unmaintained `metalmatze/transmission-exporter:master` sidecar with a homegrown Python exporter - Uses `prometheus_client` + `transmission-rpc` with collect-on-scrape pattern (fresh metrics per scrape, no stale labels) - Same metric names so existing Grafana Transmission dashboard works unchanged - Container built with `uv` for dependency management, follows `grafana-sidecar` Dockerfile pattern ## Changes - **New:** `containers/transmission-exporter/exporter.py` — single-file exporter (~130 lines) - **New:** `containers/transmission-exporter/Dockerfile` — multi-stage Alpine build with uv - **Modified:** `argocd/manifests/torrent/deployment.yaml` — swap sidecar image reference - **Modified:** `argocd/manifests/torrent/kustomization.yaml` — add image tag entry - **Modified:** `service-versions.yaml` — add transmission-exporter entry ## Deployment and Testing - [ ] Build container: `mise run container-build-and-release transmission-exporter` - [ ] Update kustomization.yaml newTag with build SHA - [ ] Branch deploy: `argocd app set torrent --revision feature/transmission-exporter-python && argocd app sync torrent` - [ ] Verify metrics: `kubectl -n torrent --context=minikube-indri port-forward svc/transmission 19091:19091` then `curl localhost:19091/metrics | grep transmission_` - [ ] Verify Grafana Transmission dashboard panels populate - [ ] After merge: `argocd app set torrent --revision main && argocd app sync torrent` Reviewed-on: https://forge.eblu.me/eblume/blumeops/pulls/283
2026-03-04 21:55:00 -08:00
LABEL org.opencontainers.image.title="Transmission Exporter"
LABEL org.opencontainers.image.description="Prometheus exporter for Transmission BitTorrent client"
Add consistent OCI labels to all container Dockerfiles Every container now carries title, description, version, source, and vendor labels per the OCI image spec. Version is derived from the existing CONTAINER_APP_VERSION ARG at build time. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-18 20:42:00 -07:00
LABEL org.opencontainers.image.version="${CONTAINER_APP_VERSION}"
LABEL org.opencontainers.image.source="https://forge.eblu.me/eblume/blumeops"
LABEL org.opencontainers.image.vendor="blumeops"
Replace transmission-exporter with homegrown Python exporter (#283) ## Summary - Replace unmaintained `metalmatze/transmission-exporter:master` sidecar with a homegrown Python exporter - Uses `prometheus_client` + `transmission-rpc` with collect-on-scrape pattern (fresh metrics per scrape, no stale labels) - Same metric names so existing Grafana Transmission dashboard works unchanged - Container built with `uv` for dependency management, follows `grafana-sidecar` Dockerfile pattern ## Changes - **New:** `containers/transmission-exporter/exporter.py` — single-file exporter (~130 lines) - **New:** `containers/transmission-exporter/Dockerfile` — multi-stage Alpine build with uv - **Modified:** `argocd/manifests/torrent/deployment.yaml` — swap sidecar image reference - **Modified:** `argocd/manifests/torrent/kustomization.yaml` — add image tag entry - **Modified:** `service-versions.yaml` — add transmission-exporter entry ## Deployment and Testing - [ ] Build container: `mise run container-build-and-release transmission-exporter` - [ ] Update kustomization.yaml newTag with build SHA - [ ] Branch deploy: `argocd app set torrent --revision feature/transmission-exporter-python && argocd app sync torrent` - [ ] Verify metrics: `kubectl -n torrent --context=minikube-indri port-forward svc/transmission 19091:19091` then `curl localhost:19091/metrics | grep transmission_` - [ ] Verify Grafana Transmission dashboard panels populate - [ ] After merge: `argocd app set torrent --revision main && argocd app sync torrent` Reviewed-on: https://forge.eblu.me/eblume/blumeops/pulls/283
2026-03-04 21:55:00 -08:00
COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv
ENV PYTHONUNBUFFERED=1
ENV UV_CACHE_DIR=/tmp/uv-cache
WORKDIR /app
COPY exporter.py .
EXPOSE 19091
USER 65534:65534
CMD ["uv", "run", "--script", "/app/exporter.py"]
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