fix: wireguard-go build

Author: cheina97

build/liqo/Dockerfile

@@ -4,15 +4,36 @@ FROM alpine:3.20
 ARG COMPONENT
 ARG TARGETARCH
 
+RUN if [ "$COMPONENT" = "geneve" ] || [ "$COMPONENT" = "wireguard" ] || [ "$COMPONENT" = "gateway" ]; then \
+    set -x; \
+    apk add --no-cache iproute2 nftables bash wireguard-tools tcpdump conntrack-tools curl iputils; \
+    fi
+
+RUN if [ "$COMPONENT" = "wireguard" ]; then \
+    set -e; \
+    apk add --no-cache git curl; \
+    GO_VERSION=1.22.4; \
+    # Map Docker TARGETARCH to Go architecture names \
+    case "$TARGETARCH" in \
+        amd64) GO_ARCH=amd64 ;; \
+        arm64) GO_ARCH=arm64 ;; \
+        arm) GO_ARCH=armv6l ;; \
+        *) echo "Unsupported architecture: $TARGETARCH" && exit 1 ;; \
+    esac; \
+    curl -L https://go.dev/dl/go${GO_VERSION}.linux-${GO_ARCH}.tar.gz | tar -C /usr/local -xz; \
+    export PATH="/usr/local/go/bin:$PATH"; \
+    git clone https://git.zx2c4.com/wireguard-go; cd wireguard-go; git checkout f333402bd9cbe0f3eeb02507bd14e23d7d639280; \
+    CGO_ENABLED=0 GOOS=linux GOARCH=$TARGETARCH /usr/local/go/bin/go build -ldflags="-s -w" -o /usr/bin/wireguard-go; \
+    cd .. && rm -rf wireguard-go; \
+    rm -rf /usr/local/go; \
+    apk del git curl; \
+    fi
+
 # Copy the correct binary for the architecture
 COPY ./bin/${TARGETARCH}/${COMPONENT}_linux_${TARGETARCH} /usr/bin/${COMPONENT}
 RUN chmod +x /usr/bin/${COMPONENT}
 RUN ln -s /usr/bin/${COMPONENT} /usr/bin/liqo-component
 
-RUN if [ "$COMPONENT" = "geneve" ] || [ "$COMPONENT" = "wireguard" ] || [ "$COMPONENT" = "gateway" ]; then \
-    apk add --no-cache iproute2 nftables bash wireguard-tools tcpdump conntrack-tools curl iputils; \
-    fi
-
 WORKDIR /workspace
 
 ENTRYPOINT ["/usr/bin/liqo-component"]

build/liqo/build.sh

@@ -4,14 +4,8 @@ set -e
 set -o nounset
 set -o pipefail
 
-usage() {
-    echo "Usage: $0 [-m] [-p] <component-folder>"
-    echo "  -p    Push the built image to the registry"
-    echo "  -h    Show this help message"
-}
-
 if [ $# -ne 1 ]; then
-    usage
+    echo "Usage: $0 <component-folder>"
     exit 1
 fi