1 files changed, 41 insertions, 0 deletions
diff --git a/kud/deployment_infra/installers/_common.sh b/kud/deployment_infra/installers/_common.sh
new file mode 100644
index 00000000..87badfc9
--- /dev/null
+++ b/kud/deployment_infra/installers/_common.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+set -u
+
+ROOT_MOUNT_DIR="${ROOT_MOUNT_DIR:-/root}"
+ROOT_OS_RELEASE="${ROOT_OS_RELEASE:-$ROOT_MOUNT_DIR/etc/os-release}"
+KERNEL_SRC_DIR=$(readlink -f "${ROOT_MOUNT_DIR}/lib/modules/$(uname -r)/build")
+[[ "${KERNEL_SRC_DIR}" == "${ROOT_MOUNT_DIR}/*" ]] || KERNEL_SRC_DIR="${ROOT_MOUNT_DIR}${KERNEL_SRC_DIR}"
+KERNEL_MOD_SIGN_CMD="${KERNEL_MOD_SIGN_CMD:-}"
+
+RETCODE_SUCCESS=0
+RETCODE_ERROR=1
+
+_log() {
+    local -r prefix="$1"
+    shift
+    echo "[${prefix}$(date -u "+%Y-%m-%d %H:%M:%S %Z")] ""$*" >&2
+}
+
+info() {
+    _log "INFO    " "$*"
+}
+
+warn() {
+    _log "WARNING " "$*"
+}
+
+error() {
+    _log "ERROR   " "$*"
+}
+
+load_etc_os_release() {
+    if [[ ! -f "${ROOT_OS_RELEASE}" ]]; then
+        error "File ${ROOT_OS_RELEASE} not found, /etc/os-release from host must be mounted"
+        exit ${RETCODE_ERROR}
+    fi
+    . "${ROOT_OS_RELEASE}"
+    info "Running on ${NAME} kernel version $(uname -r)"
+}