ci: workaround buildah errors

Signed-off-by: Mikko Ylinen <mikko.ylinen@intel.com>

build/docker/intel-deviceplugin-operator.Dockerfile

@@ -27,6 +27,8 @@ RUN mkdir /install_root \
     --no-boot-update \
     && rm -rf /install_root/var/lib/swupd/*
 
+RUN mkdir -p /go/cache
+ENV GOCACHE=/go/cache
 RUN cd cmd/operator; GO111MODULE=${GO111MODULE} go install; cd -
 RUN chmod a+x /go/bin/operator \
     && install -D /go/bin/operator /install_root/usr/local/bin/intel_deviceplugin_operator \

build/docker/intel-dsa-plugin.Dockerfile

@@ -27,6 +27,8 @@ RUN mkdir /install_root \
     --no-boot-update \
     && rm -rf /install_root/var/lib/swupd/*
 
+RUN mkdir -p /go/cache
+ENV GOCACHE=/go/cache
 RUN cd cmd/dsa_plugin; GO111MODULE=${GO111MODULE} go install; cd -
 RUN chmod a+x /go/bin/dsa_plugin \
     && install -D /go/bin/dsa_plugin /install_root/usr/local/bin/intel_dsa_device_plugin \

build/docker/intel-fpga-admissionwebhook.Dockerfile

@@ -27,6 +27,8 @@ RUN mkdir /install_root \
     --no-boot-update \
     && rm -rf /install_root/var/lib/swupd/*
 
+RUN mkdir -p /go/cache
+ENV GOCACHE=/go/cache
 RUN cd cmd/fpga_admissionwebhook; GO111MODULE=${GO111MODULE} go install; cd -
 RUN chmod a+x /go/bin/fpga_admissionwebhook \
     && install -D /go/bin/fpga_admissionwebhook /install_root/usr/local/bin/intel_fpga_admissionwebhook \

build/docker/intel-fpga-initcontainer.Dockerfile

@@ -29,6 +29,8 @@ RUN mkdir /install_root \
     && rm -rf /install_root/var/lib/swupd/*
 
 # Build CRI Hook
+RUN mkdir -p /go/cache
+ENV GOCACHE=/go/cache
 RUN cd $DIR/cmd/fpga_crihook && \
     GO111MODULE=${GO111MODULE} go install && \
     chmod a+x /go/bin/fpga_crihook && \

build/docker/intel-fpga-plugin.Dockerfile

@@ -27,6 +27,8 @@ RUN mkdir /install_root \
     --no-boot-update \
     && rm -rf /install_root/var/lib/swupd/*
 
+RUN mkdir -p /go/cache
+ENV GOCACHE=/go/cache
 RUN cd cmd/fpga_plugin; GO111MODULE=${GO111MODULE} go install; cd -
 RUN chmod a+x /go/bin/fpga_plugin \
     && install -D /go/bin/fpga_plugin /install_root/usr/local/bin/intel_fpga_device_plugin \

build/docker/intel-gpu-initcontainer.Dockerfile

@@ -29,6 +29,8 @@ RUN mkdir /install_root \
     && rm -rf /install_root/var/lib/swupd/*
 
 # Build NFD Feature Detector Hook
+RUN mkdir -p /go/cache
+ENV GOCACHE=/go/cache
 RUN cd $DIR/cmd/gpu_nfdhook && \
     GO111MODULE=${GO111MODULE} go install -ldflags="-s -w" && \
     chmod a+x /go/bin/gpu_nfdhook && \

build/docker/intel-gpu-plugin.Dockerfile

@@ -27,6 +27,8 @@ RUN mkdir /install_root \
     --no-boot-update \
     && rm -rf /install_root/var/lib/swupd/*
 
+RUN mkdir -p /go/cache
+ENV GOCACHE=/go/cache
 RUN cd cmd/gpu_plugin; GO111MODULE=${GO111MODULE} go install; cd -
 RUN chmod a+x /go/bin/gpu_plugin \
     && install -D /go/bin/gpu_plugin /install_root/usr/local/bin/intel_gpu_device_plugin \

build/docker/intel-qat-plugin.Dockerfile

@@ -41,6 +41,8 @@ RUN test -z "${TAGS_KERNELDRV}" \
     && cd /usr/src/qat/quickassist/utilities/adf_ctl \
     && make KERNEL_SOURCE_DIR=/usr/src/qat/quickassist/qat \
     && install -D adf_ctl /install_root/usr/local/bin/adf_ctl )
+RUN mkdir -p /go/cache
+ENV GOCACHE=/go/cache
 RUN cd cmd/qat_plugin; echo "build tags: ${TAGS_KERNELDRV}"; GO111MODULE=${GO111MODULE} go install -tags "${TAGS_KERNELDRV}"; cd -
 RUN chmod a+x /go/bin/qat_plugin \
     && install -D /go/bin/qat_plugin /install_root/usr/local/bin/intel_qat_device_plugin \

build/docker/intel-sgx-initcontainer.Dockerfile

@@ -29,6 +29,8 @@ RUN mkdir /install_root \
     && rm -rf /install_root/var/lib/swupd/*
 
 # Build NFD Feature Detector Hook
+RUN mkdir -p /go/cache
+ENV GOCACHE=/go/cache
 RUN cd $DIR/cmd/sgx_epchook && \
     GO111MODULE=${GO111MODULE} go install && \
     chmod a+x /go/bin/sgx_epchook && \

build/docker/intel-sgx-plugin.Dockerfile

@@ -27,6 +27,8 @@ RUN mkdir /install_root \
     --no-boot-update \
     && rm -rf /install_root/var/lib/swupd/*
 
+RUN mkdir -p /go/cache
+ENV GOCACHE=/go/cache
 RUN cd cmd/sgx_plugin; GO111MODULE=${GO111MODULE} go install; cd -
 RUN chmod a+x /go/bin/sgx_plugin \
     && install -D /go/bin/sgx_plugin /install_root/usr/local/bin/intel_sgx_device_plugin \

build/docker/intel-vpu-plugin.Dockerfile

@@ -25,6 +25,8 @@ ARG DIR=/intel-device-plugins-for-kubernetes
 ARG GO111MODULE=on
 WORKDIR $DIR
 COPY . .
+RUN mkdir -p /go/cache
+ENV GOCACHE=/go/cache
 RUN cd cmd/vpu_plugin; GO111MODULE=${GO111MODULE} go install; cd -
 RUN chmod a+x /go/bin/vpu_plugin \
     && install -D /go/bin/vpu_plugin /install_root/usr/local/bin/intel_vpu_device_plugin \