add localcross.Dockerfile and use it when --local and -b flags are pr…

…ovided (#161)

builder/builder.go

@@ -128,7 +128,9 @@ func rawDockerfile(
 
 	case DockerfileTypeCosmos:
 		if local {
-			// local builds always use embedded Dockerfile.
+			if useBuildKit {
+				return dockerfileEmbeddedOrLocal("cosmos/localcross.Dockerfile", dockerfile.CosmosLocalCross)
+			}
 			return dockerfile.CosmosLocal
 		}
 		if useBuildKit {

dockerfile/cosmos/localcross.Dockerfile

@@ -0,0 +1,174 @@
+ARG BASE_VERSION
+FROM --platform=$BUILDPLATFORM golang:${BASE_VERSION} AS build-env
+
+RUN apk add --update --no-cache curl make git libc-dev bash gcc linux-headers eudev-dev
+
+ARG TARGETARCH
+ARG BUILDARCH
+
+RUN if [ "${TARGETARCH}" = "arm64" ] && [ "${BUILDARCH}" != "arm64" ]; then\
+        wget -c https://musl.cc/aarch64-linux-musl-cross.tgz -O - | tar -xzvv --strip-components 1 -C /usr;\
+    elif [ "${TARGETARCH}" = "amd64" ] && [ "${BUILDARCH}" != "amd64" ]; then\
+        wget -c https://musl.cc/x86_64-linux-musl-cross.tgz -O - | tar -xzvv --strip-components 1 -C /usr;\
+    fi
+
+ARG GITHUB_ORGANIZATION
+ARG REPO_HOST
+
+WORKDIR /go/src/${REPO_HOST}/${GITHUB_ORGANIZATION}
+
+ARG GITHUB_REPO
+ARG VERSION
+ARG BUILD_TIMESTAMP
+
+ADD . .
+
+WORKDIR /go/src/${REPO_HOST}/${GITHUB_ORGANIZATION}/${GITHUB_REPO}
+
+ARG BUILD_TARGET
+ARG BUILD_ENV
+ARG BUILD_TAGS
+ARG PRE_BUILD
+ARG BUILD_DIR
+
+RUN set -eux;\
+    LIBDIR=/lib;\
+    if [ "${TARGETARCH}" = "arm64" ]; then\
+      export ARCH=aarch64;\
+      if [ "${BUILDARCH}" != "arm64" ]; then\
+        LIBDIR=/usr/aarch64-linux-musl/lib;\
+        mkdir -p $LIBDIR;\
+        export CC=aarch64-linux-musl-gcc CXX=aarch64-linux-musl-g++;\
+      fi;\  
+    elif [ "${TARGETARCH}" = "amd64" ]; then\
+      export ARCH=x86_64;\
+      if [ "${BUILDARCH}" != "amd64" ]; then\
+        LIBDIR=/usr/x86_64-linux-musl/lib;\
+        mkdir -p $LIBDIR;\
+        export CC=x86_64-linux-musl-gcc CXX=x86_64-linux-musl-g++;\
+      fi;\
+    fi;\
+    WASM_VERSION=$(go list -m all | grep github.com/CosmWasm/wasmvm | awk '{print $NF}');\
+    if [ ! -z "${WASM_VERSION}" ]; then\
+      wget -O $LIBDIR/libwasmvm_muslc.a https://github.com/CosmWasm/wasmvm/releases/download/${WASM_VERSION}/libwasmvm_muslc.$ARCH.a;\
+    fi;\
+    export GOOS=linux GOARCH=$TARGETARCH CGO_ENABLED=1 LDFLAGS='-linkmode external -extldflags "-static"';\
+    if [ ! -z "$PRE_BUILD" ]; then sh -c "${PRE_BUILD}"; fi;\
+    if [ ! -z "$BUILD_TARGET" ]; then\
+      if [ ! -z "$BUILD_ENV" ]; then export ${BUILD_ENV}; fi;\
+      if [ ! -z "$BUILD_TAGS" ]; then export "${BUILD_TAGS}"; fi;\
+      if [ ! -z "$BUILD_DIR" ]; then cd "${BUILD_DIR}"; fi;\
+      sh -c "${BUILD_TARGET}";\
+    fi
+
+RUN if [ -d "/go/bin/linux_${TARGETARCH}" ]; then mv /go/bin/linux_${TARGETARCH}/* /go/bin/; fi
+
+# Copy all binaries to /root/bin, for a single place to copy into final image.
+# If a colon (:) delimiter is present, binary will be renamed to the text after the delimiter.
+RUN mkdir /root/bin
+ARG RACE
+ARG BINARIES
+ENV BINARIES_ENV ${BINARIES}
+RUN bash -c 'set -eux;\
+  BINARIES_ARR=();\
+  IFS=, read -ra BINARIES_ARR <<< "$BINARIES_ENV";\
+  for BINARY in "${BINARIES_ARR[@]}"; do\
+    BINSPLIT=();\
+    IFS=: read -ra BINSPLIT <<< "$BINARY";\
+    BINPATH=${BINSPLIT[1]+"${BINSPLIT[1]}"};\
+    BIN="$(eval "echo "${BINSPLIT[0]+"${BINSPLIT[0]}"}"")";\
+    if [ ! -z "$RACE" ] && GOVERSIONOUT=$(go version -m $BIN); then\
+      if echo $GOVERSIONOUT | grep build | grep "-race=true"; then\
+        echo "Race detection is enabled in binary";\
+      else\
+        echo "Race detection not enabled in binary!";\
+        exit 1;\
+      fi;\
+    fi;\
+    if [ ! -z "$BINPATH" ]; then\
+      if [[ $BINPATH == *"/"* ]]; then\
+        mkdir -p "$(dirname "${BINPATH}")";\
+        cp "$BIN" "${BINPATH}";\
+      else\
+        cp "$BIN" "/root/bin/${BINPATH}";\
+      fi;\
+    else\
+      cp "$BIN" /root/bin/;\
+    fi;\
+  done'
+
+RUN mkdir -p /root/lib
+ARG LIBRARIES
+ENV LIBRARIES_ENV ${LIBRARIES}
+RUN bash -c 'set -eux;\
+  LIBRARIES_ARR=($LIBRARIES_ENV); for LIBRARY in "${LIBRARIES_ARR[@]}"; do cp $LIBRARY /root/lib/; done'
+
+# Use minimal busybox from infra-toolkit image for final scratch image
+FROM ghcr.io/strangelove-ventures/infra-toolkit:v0.0.7 AS infra-toolkit
+RUN addgroup --gid 1025 -S heighliner && adduser --uid 1025 -S heighliner -G heighliner
+
+# Use ln and rm from full featured busybox for assembling final image
+FROM busybox:1.34.1-musl AS busybox-full
+
+# Build final image from scratch
+FROM scratch
+
+LABEL org.opencontainers.image.source="https://github.com/strangelove-ventures/heighliner"
+
+WORKDIR /bin
+
+# Install ln (for making hard links) and rm (for cleanup) from full busybox image (will be deleted, only needed for image assembly)
+COPY --from=busybox-full /bin/ln /bin/rm ./
+
+# Install minimal busybox image as shell binary (will create hardlinks for the rest of the binaries to this data)
+COPY --from=infra-toolkit /busybox/busybox /bin/sh
+
+# Install jq
+COPY --from=infra-toolkit /usr/local/bin/jq /bin/
+
+# Add hard links for read-only utils
+# Will then only have one copy of the busybox minimal binary file with all utils pointing to the same underlying inode
+RUN for b in \
+  cat \
+  date \
+  df \
+  du \
+  env \
+  grep \
+  head \
+  less \
+  ls \
+  md5sum \
+  pwd \
+  sha1sum \
+  sha256sum \
+  sha3sum \
+  sha512sum \
+  sleep \
+  stty \
+  tail \
+  tar \
+  tee \
+  tr \
+  watch \
+  which \
+  ; do ln sh $b; done
+
+#  Remove write utils
+RUN rm ln rm
+
+# Install chain binaries
+COPY --from=build-env /root/bin /bin
+
+# Install libraries
+COPY --from=build-env /root/lib /lib
+
+# Install trusted CA certificates
+COPY --from=infra-toolkit /etc/ssl/cert.pem /etc/ssl/cert.pem
+
+# Install heighliner user
+COPY --from=infra-toolkit /etc/passwd /etc/passwd
+COPY --from=infra-toolkit --chown=1025:1025 /home/heighliner /home/heighliner
+
+WORKDIR /home/heighliner
+USER heighliner

dockerfile/dockerfiles.go

@@ -17,6 +17,9 @@ var CosmosNative []byte
 //go:embed cosmos/local.Dockerfile
 var CosmosLocal []byte
 
+//go:embed cosmos/localcross.Dockerfile
+var CosmosLocalCross []byte
+
 //go:embed imported/Dockerfile
 var Imported []byte