Commit | Line | Data |
---|---|---|
51c9c62d | 1 | #!/bin/bash |
0a028cf6 JR |
2 | # |
3 | # Copyright (C) 2018 - Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com> | |
4 | # | |
5 | # This program is free software: you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
7 | # the Free Software Foundation, either version 3 of the License, or | |
8 | # (at your option) any later version. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | ||
51c9c62d MJ |
18 | set -exu |
19 | ||
0a028cf6 JR |
20 | PGREP=pgrep |
21 | pids="" | |
0a028cf6 JR |
22 | file_list=$(mktemp) |
23 | ret=0 | |
24 | ||
6b95a7b4 SM |
25 | # WORKSPACE is normally set by Jenkins. Use the current directory otherwise, |
26 | # like when testing this script manually. | |
27 | WORKSPACE=${WORKSPACE:-$PWD} | |
28 | ||
0a028cf6 | 29 | lttng_processes="$("$PGREP" -l 'lttng|gen-ust-.+')" || true |
d4069651 | 30 | if [ -n "$lttng_processes" ]; then |
0a028cf6 JR |
31 | |
32 | pids="$(cut -d ' ' -f 1 <<< "$lttng_processes" | tr '\n' ' ')" | |
0a028cf6 JR |
33 | echo "The following LTTng processes were detected running on the system and will be aborted:" |
34 | echo "$lttng_processes" | |
35 | ||
36 | # Stop the processes to make sure everything is frozen | |
37 | kill -SIGSTOP $pids | |
0a028cf6 JR |
38 | kill -SIGABRT $pids |
39 | kill -SIGCONT $pids | |
40 | ret=1 | |
41 | fi | |
42 | ||
bc571dfb SM |
43 | # Add the file passed as $1 to the list of files to collect. |
44 | # | |
45 | # If that file is a symlink, follow it and collect the target, recursively. | |
46 | ||
47 | function collect_recursive | |
48 | { | |
49 | file_to_collect=$1 | |
50 | ||
51 | if [ -f "$file_to_collect" ]; then | |
52 | echo "$file_to_collect" >> "$file_list" | |
53 | ||
54 | if [ -L "$file_to_collect" ]; then | |
55 | collect_recursive "$(readlink "$file_to_collect")" | |
56 | fi | |
57 | fi | |
58 | } | |
0a028cf6 | 59 | |
bc571dfb SM |
60 | # For each core file... |
61 | while read -r core_file; do | |
62 | # Make sure the coredump is finished using fuser. | |
63 | while fuser "$core_file"; do | |
64 | sleep 1 | |
0a028cf6 JR |
65 | done |
66 | ||
bc571dfb SM |
67 | # Collect everything in the core file that looks like a reference to a |
68 | # shared lib. | |
69 | strings "$core_file" | grep '^/.*\.so.*' | while read -r str; do | |
70 | collect_recursive "$str" | |
71 | done | |
72 | ||
c5e17c3d | 73 | echo "$core_file" >> $file_list |
0a028cf6 | 74 | ret=1 |
bc571dfb SM |
75 | done < <(find "/tmp" -maxdepth 1 -name "core\.[0-9]*" -type f 2>/dev/null) |
76 | ||
77 | # If we recorded some files to collect, pack them up. | |
78 | if [ -s "$file_list" ]; then | |
79 | mkdir -p "${WORKSPACE}/build" | |
80 | tar cfzh "${WORKSPACE}/build/core.tar.gz" -T <(sort "$file_list" | uniq) | |
0a028cf6 JR |
81 | fi |
82 | ||
c5e17c3d JR |
83 | # Remove core file |
84 | while read -r core_file; do | |
85 | rm -rf "$core_file" | |
86 | done < <(find "/tmp" -maxdepth 1 -name "core\.[0-9]*" -type f 2>/dev/null) | |
87 | ||
bc571dfb | 88 | rm -f "$file_list" |
0a028cf6 | 89 | exit $ret |