Dockerfile.ovn-kubernetes

ARG builder_image

FROM --platform=${BUILDPLATFORM} ${builder_image} AS ovnkubernetes-builder

ARG TARGETARCH
ARG gcflags
ARG ldflags

WORKDIR /workspace
RUN apt update && apt install -y make git
ARG ovn_kubernetes_dir
COPY ${ovn_kubernetes_dir} ovn-kubernetes
RUN cd ovn-kubernetes/dist/images && \
    CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} make bld

ARG ipallocator_dir
COPY ./ ./
COPY go.mod go.mod
COPY go.sum go.sum

RUN --mount=type=cache,target=/go/pkg/mod \
    go mod download

RUN --mount=type=cache,target=/root/.cache/go-build \
    --mount=type=cache,target=/go/pkg/mod \
    CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
    go build -trimpath \
    -ldflags="${ldflags}"  \
    -gcflags="${gcflags}" \
    -o ipallocator ./cmd/ipallocator

RUN --mount=type=cache,target=/root/.cache/go-build \
    --mount=type=cache,target=/go/pkg/mod \
    CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
    go build -trimpath \
    -ldflags="${ldflags}"  \
    -gcflags="${gcflags}" \
    -o dpucniprovisioner ./cmd/dpucniprovisioner

RUN --mount=type=cache,target=/root/.cache/go-build \
    --mount=type=cache,target=/go/pkg/mod \
    CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
    go build -trimpath \
    -ldflags="${ldflags}"  \
    -gcflags="${gcflags}" \
    -o ovnkubernetesresourceinjector ./cmd/ovnkubernetesresourceinjector

FROM ubuntu:24.04

ARG TARGETARCH

USER root

RUN apt-get update && apt-get install -y iproute2 curl software-properties-common util-linux dnsmasq

RUN curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -

# Install OVS, OVN , netplan, systemd and udev packages (netplan, systemd and udev required by dpucniprovisioner).
RUN apt-get update && apt-get install -y openvswitch-switch openvswitch-common ovn-central ovn-common ovn-host netplan.io udev systemd

RUN curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/${TARGETARCH}/kubectl" \
    && install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl

RUN mkdir -p /var/run/openvswitch

# Built in ../../go_controller, then the binaries are copied here.
# put things where they are in the pkg
RUN mkdir -p /usr/libexec/cni/
COPY --from=ovnkubernetes-builder /workspace/ipallocator /ipallocator
COPY --from=ovnkubernetes-builder /workspace/dpucniprovisioner /cniprovisioner
COPY --from=ovnkubernetes-builder /workspace/ovnkubernetesresourceinjector /ovnkubernetesresourceinjector
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/go-controller/_output/go/bin/ovnkube /usr/bin/
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/go-controller/_output/go/bin/ovn-kube-util /usr/bin/
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/go-controller/_output/go/bin/ovndbchecker /usr/bin/
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/go-controller/_output/go/bin/hybrid-overlay-node /usr/bin/
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/go-controller/_output/go/bin/ovnkube-identity /usr/bin/
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/go-controller/_output/go/bin/ovn-k8s-cni-overlay /usr/libexec/cni/ovn-k8s-cni-overlay

# ovnkube.sh is the entry point. This script examines environment
# variables to direct operation and configure ovn
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/dist/images/ovnkube.sh /root/
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/dist/images/ovndb-raft-functions.sh /root/
# override the pkg's ovn_k8s.conf with this local copy
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/dist/images/ovn_k8s.conf /etc/openvswitch/ovn_k8s.conf

# copy git commit number into image
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/dist/images/git_info /root

# iptables wrappers
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/dist/images/iptables-scripts/iptables /usr/sbin/
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/dist/images/iptables-scripts/iptables-save /usr/sbin/
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/dist/images/iptables-scripts/iptables-restore /usr/sbin/
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/dist/images/iptables-scripts/ip6tables /usr/sbin/
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/dist/images/iptables-scripts/ip6tables-save /usr/sbin/
COPY --from=ovnkubernetes-builder /workspace/ovn-kubernetes/dist/images/iptables-scripts/ip6tables-restore /usr/sbin/

LABEL io.k8s.display-name="ovn-kubernetes" \
      io.k8s.description="ovnkube ubuntu image" 

WORKDIR /root
ENTRYPOINT /root/ovnkube.sh