73 lines
2.3 KiB
Bash
Executable File
73 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -xo pipefail
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# osie_download from url and save it to directory
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osie_download() {
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local url="$1"
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local directory="$2"
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wget "${url}" -O "${directory}"/osie.tar.gz
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}
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# osie_extract from tarball and save it to directory
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osie_extract() {
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local source_dir="$1"
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local dest_dir="$2"
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tar -zxvf "${source_dir}"/osie.tar.gz -C "${dest_dir}" --strip-components 1
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}
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# osie_move_helper_scripts moves workflow helper scripts to the workflow directory
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osie_move_helper_scripts() {
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local source_dir="$1"
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local dest_dir="$2"
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cp "${source_dir}"/workflow-helper.sh "${source_dir}"/workflow-helper-rc "${dest_dir}"/
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}
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# hook_rename_files renames the kernel and initrd files from the github downloaded tar
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# to the default names that the OSIE installer in Boots is expecting.
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# See https://github.com/tinkerbell/boots/blob/78d4f74e6944ae3bd04e1297dc8e354fc93d9320/installers/osie/main.go#L160 and
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# https://github.com/tinkerbell/boots/blob/78d4f74e6944ae3bd04e1297dc8e354fc93d9320/installers/osie/main.go#L168
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hook_rename_files() {
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local src_kernel="$1"
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local src_initrd="$2"
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local dest_dir="$3"
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mv "${src_kernel}" "${dest_dir}/vmlinuz-x86_64"
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mv "${src_initrd}" "${dest_dir}/initramfs-x86_64"
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}
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# main runs the functions in order to download, extract, and move helper scripts
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main() {
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local url="$1"
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local extract_dir="$2"
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local source_dir="$3"
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local dest_dir="$4"
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local use_hook="$5"
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if [ ! -f "${extract_dir}"/osie.tar.gz ]; then
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echo "downloading osie..."
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osie_download "${url}" "${extract_dir}"
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else
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echo "osie already downloaded"
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fi
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if [ "${use_hook}" == "true" ]; then
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if [ ! -f "${source_dir}"/hook-x86_64-kernel ] && [ ! -f "${source_dir}"/hook-x86_64-initrd.img ]; then
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echo "extracting hook..."
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osie_extract "${extract_dir}" "${source_dir}"
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else
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echo "hook files already exist, not extracting"
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fi
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hook_rename_files "${source_dir}"/hook-x86_64-kernel "${source_dir}"/hook-x86_64-initrd.img "${source_dir}"
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else
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if [ ! -f "${source_dir}"/workflow-helper.sh ] && [ ! -f "${source_dir}"/workflow-helper-rc ]; then
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echo "extracting osie..."
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osie_extract "${extract_dir}" "${source_dir}"
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else
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echo "osie files already exist, not extracting"
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fi
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osie_move_helper_scripts "${source_dir}" "${dest_dir}"
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fi
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}
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main "$1" "$2" "$3" "$4" "$5"
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