[rhel9][openshift] install unzboot at build-time

Signed-off-by: Tariq Ibrahim <[email protected]>

Author: tariq1890

rhel9/install.sh

@@ -37,6 +37,13 @@ dep_installer () {
         make \
         cpio \
         kmod
+
+    # Download unzboot as kernel images are compressed in the zboot format on RHEL 9 arm64
+    # unzboot is only available on the EPEL RPM repo
+    dnf install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm
+    dnf config-manager --enable epel
+    dnf install -y unzboot
+
   fi
   rm -rf /var/cache/yum/*
 }

rhel9/nvidia-driver

@@ -143,19 +143,18 @@ _install_prerequisites() (
 
     echo "Generating Linux kernel version string..."
     if [ "$TARGETARCH" = "arm64" ]; then
-        # Download unzboot as kernel images are compressed in the zboot format on RHEL 9 arm64
-        # unzboot is only available on the EPEL RPM repo
-        dnf -q -y --releasever=${DNF_RELEASEVER} install https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm
-        dnf config-manager --enable epel
-        dnf -q -y --releasever=${DNF_RELEASEVER} install unzboot
-
         if ! unzboot /lib/modules/${KERNEL_VERSION}/vmlinuz vmlinuz.out; then
           echo "Could not extract /lib/modules/${KERNEL_VERSION}/vmlinuz" >&2
           return 1
         fi
 
         < vmlinuz.out strings | grep -E '^Linux version' | sed 's/^\(.*\)\s\+(.*)$/\1/' > version
-        rm vmlinuz.out
+        rm vmlinuz.out || echo "WARNING: failed to extract /lib/modules/${KERNEL_VERSION}/vmlinuz"
+
+        # Fallback to gzip if unzboot fails
+        if [ -z "$(<version)" ]; then
+            gunzip -c /lib/modules/${KERNEL_VERSION}/vmlinuz | strings | grep -E '^Linux version' | sed 's/^\(.*\)\s\+(.*)$/\1/' > version
+        fi
     else
         extract-vmlinux /lib/modules/${KERNEL_VERSION}/vmlinuz | strings | grep -E '^Linux version' | sed 's/^\(.*\)\s\+(.*)$/\1/' > version
     fi

rhel9/ocp_dtk_entrypoint

@@ -26,6 +26,7 @@ nv-ctr-run-with-dtk() {
            /usr/local/bin/common.sh \
            /usr/local/bin/extract-vmlinux \
            /usr/local/bin/vgpu-util \
+           /usr/bin/unzboot \
            /drivers \
            /licenses \
            "$DRIVER_TOOLKIT_SHARED_DIR/"
@@ -137,6 +138,7 @@ dtk-build-driver() {
        "$DRIVER_TOOLKIT_SHARED_DIR/common.sh" \
        "$DRIVER_TOOLKIT_SHARED_DIR/extract-vmlinux" \
        "$DRIVER_TOOLKIT_SHARED_DIR/vgpu-util" \
+       "$DRIVER_TOOLKIT_SHARED_DIR/unzboot" \
        "${DRIVER_TOOLKIT_SHARED_DIR}/bin"
 
     ln -s $(which true) ${DRIVER_TOOLKIT_SHARED_DIR}/bin/dnf --force