1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
#!/bin/bash
set -e
configure() {
LOGDIR="/var/log/atop"
# this has been in place since at least buster. remove post-trixie
rm -f "${LOGDIR}/dummy_after" "${LOGDIR}/dummy_before"
# check whether atop will read its own latest file
# point atop to the latest file and check for output on stdout
# the pipe will prevent atop from going interactive, and if it
# won't read the file, stdout will be empty.
LATESTFILE="$(find "${LOGDIR}" -maxdepth 1 -type f \
-regextype posix-egrep -regex '.*/atop_[0-9]+$' \
-printf '%p\n' | sort | tail -n 1)"
if [ -n "${LATESTFILE}" ]; then
if ! atop -r "${LATESTFILE}" 2>/dev/null | head -n 5 | grep -q '.'; then
# updating from an older version which won't read
# the old log file format
# take a backup of the old file and convert it
BACKUPFILE="${LATESTFILE}_oldformat"
if [ -e "${BACKUPFILE}" ]; then
TIMESTAMP=$(date +%Y%m%dT%H%M%S)
BACKUPFILE="${LATESTFILE}_oldformat_${TIMESTAMP}"
fi
if mv "${LATESTFILE}" "${BACKUPFILE}"; then
if atopconvert "${BACKUPFILE}" "${LATESTFILE}" >/dev/null; then
if ! atop -r "${LATESTFILE}" 2>/dev/null | head -n 5 | grep -q '.'; then
printf >&2 "atop postinst: error reading converted log file %s.\\n" "${LATESTFILE}"
# remove generated file, we do without the converted file
rm -f "${LATESTFILE}"
fi
else
printf >&2 "atop postinst: conversion failed from %s to new atop raw file format %s" "${BACKUPFILE}" "${LATESTFILE}"
# remove generated file, we do without the converted file
rm -f "${LATESTFILE}"
fi
else
printf >&2 "atop postinst: failed to back up %s\\n" "${LATESTFILE}"
exit 1
fi
fi
fi
}
case "$1" in
configure) configure ;;
esac
#DEBHELPER#
# vim: tabstop=4 expandtab
|
