mirror of
https://github.com/flatcar/scripts.git
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122 lines
3.6 KiB
Bash
122 lines
3.6 KiB
Bash
#!/bin/bash
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#
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# Copyright (c) 2023 The Flatcar Maintainers.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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if [[ -n "${FLATCAR_REPORTS_UTIL_SH_INCLUDED:-}" ]]; then
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return 0
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fi
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FLATCAR_REPORTS_UTIL_SH_INCLUDED=1
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# Generate a ls-like listing of a directory tree.
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# The ugly printf is used to predictable time format and size in bytes.
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#
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# Usage:
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# write_contents "${rootfs}" ${contents_file}"
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write_contents() {
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local rootfs="${1}"; shift
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local output="${1}"; shift
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info "Writing ${output##*/}"
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# Ensure output is an absolute path before we change the working
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# directory.
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output=$(realpath "${output}")
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pushd "${rootfs}" >/dev/null
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# %M - file permissions
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# %n - number of hard links to file
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# %u - file's user name
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# %g - file's group name
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# %s - size in bytes
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# %Tx - modification time (Y - year, m - month, d - day, H - hours, M - minutes)
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# %P - file's path
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# %l - symlink target (empty if not a symlink)
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sudo TZ=UTC find -printf \
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'%M %2n %-7u %-7g %7s %TY-%Tm-%Td %TH:%TM ./%P -> %l\n' \
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| sort --key=8 \
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| sed -e 's/ -> $//' >"${output}"
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popd >/dev/null
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}
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# Generate a listing that can be used by other tools to analyze
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# image/file size changes.
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#
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# Usage:
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# write_contents_with_technical_details "${rootfs}" ${output_file}"
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write_contents_with_technical_details() {
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local rootfs="${1}"; shift
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local output="${1}"; shift
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info "Writing ${output##*/}"
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# Ensure output is an absolute path before we change the working
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# directory.
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output=$(realpath "${output}")
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pushd "${rootfs}" >/dev/null
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# %M - file permissions
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# %D - ID of a device where file resides
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# %i - inode number
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# %n - number of hard links to file
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# %s - size in bytes
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# %P - file's path
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sudo find -printf \
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'%M %D %i %n %s ./%P\n' \
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| sort --key=6 >"${output}"
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popd >/dev/null
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}
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# Generate a report like the following if more than one relative path
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# in rootfs was passed:
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#
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# File Size Used Avail Use% Type
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# /boot 127M 62M 65M 50% vfat
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# /usr 983M 721M 212M 78% ext2
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# / 6,0G 13M 5,6G 1% ext4
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# SUM 7,0G 796M 5,9G 12% -
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#
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# or, in case of 0 or 1 relative path:
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#
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# File Size Used Avail Use% Type
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# / 27M 27M 0 100% squashfs
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#
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# Usage:
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# write_disk_space_usage_in_paths "${rootfs}" "${output_file}" ./boot ./usr ./
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write_disk_space_usage_in_paths() {
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local rootfs="${1}"; shift
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local output="${1}"; shift
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info "Writing ${output##*/}"
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# Ensure output is an absolute path before we change the working
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# directory.
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output=$(realpath "${output}")
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pushd "${rootfs}" >/dev/null
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local extra_flags
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extra_flags=()
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if [[ ${#} -eq 0 ]]; then
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set -- ./
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fi
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if [[ ${#} -gt 1 ]]; then
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extra_flags+=('--total')
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fi
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# The sed's first command turns './<path>' into '/<path> ', second
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# command replaces '- ' with 'SUM' for the total row. All this to
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# keep the numbers neatly aligned in columns.
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sudo df \
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--human-readable \
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"${extra_flags[@]}" \
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--output='file,size,used,avail,pcent,fstype' \
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"${@}" | \
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sed \
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-e 's#^\.\(/[^ ]*\)#\1 #' \
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-e 's/^- /SUM/' >"${output}"
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popd >/dev/null
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}
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# Generate a report like the following:
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#
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# File Size Used Avail Use% Type
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# /boot 127M 62M 65M 50% vfat
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# /usr 983M 721M 212M 78% ext2
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# / 6,0G 13M 5,6G 1% ext4
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# SUM 7,0G 796M 5,9G 12% -
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write_disk_space_usage() {
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write_disk_space_usage_in_paths "${1}" "${2}" ./boot ./usr ./
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}
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