2ef419339162a5a1586e67d138a2a4808bcb03a8
[lttng-tools.git] / tests / regression / tools / rotation / rotate_utils.sh
1 #!/bin/bash
2 #
3 # Copyright (C) - 2017 Julien Desfossez <jdesfossez@efficios.com>
4 #
5 # This library is free software; you can redistribute it and/or modify it under
6 # the terms of the GNU Lesser General Public License as published by the Free
7 # Software Foundation; version 2.1 of the License.
8 #
9 # This library is distributed in the hope that it will be useful, but WITHOUT
10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12 # details.
13 #
14 # You should have received a copy of the GNU Lesser General Public License
15 # along with this library; if not, write to the Free Software Foundation, Inc.,
16 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
18 # Clean everything under directory but keep directory
19 function clean_path ()
20 {
21 local path=$1
22 # Use -u from bash top prevent empty expansion of variable yielding a
23 # list of current directory from find.
24 set -u
25 find $path -mindepth 1 -maxdepth 1 -exec rm -rf '{}' \;
26 set +u
27 }
28
29 # The extglob shell option must be enabled to use the pattern generated by this
30 # function (shopt -s extglob/ shopt -u extglob).
31 # The pattern returned by this function is to validate the form:
32 # YYYYMMDDTHHMMSS[+-]HHMM-YYYYMMDDTHHMMSS[+-]HHMM
33 #
34 # Where YYYYMMDD is today or tomorrow. Tomorrow must be supported in case where
35 # the chunks are generated close to midnight and one ends up the following day.
36 function get_chunk_pattern ()
37 {
38 local today=$1
39 tommorow=$(date +%Y%m%d -d "${today}+1days")
40 pattern_hour_min="[0-9][0-9][0-9][0-9]"
41 pattern_hour_min_sec="${pattern_hour_min}[0-9][0-9]"
42
43 base_pattern="@(${today}|${tommorow})T${pattern_hour_min_sec}[+-]${pattern_hour_min}"
44
45 # Return the pattern
46 # YYYYMMDDTHHMMSS[+-]HHMM-YYYYMMDDTHHMMSS[+-]HHMM
47 echo "${base_pattern}-${base_pattern}"
48 }
49
50 function validate_test_chunks ()
51 {
52 local_path=$1
53 today=$2
54 app_path=$3
55 domain=$4
56 per_pid=$5
57
58 local path=
59 local chunk_pattern=$(get_chunk_pattern ${today})
60
61 # Enable extglob for the use of chunk_pattern
62 shopt -s extglob
63
64 # Validate that only 2 chunks are present
65 nb_chunk=$(ls -A $local_path | wc -l)
66 test $nb_chunk -eq 2
67 ok $? "${local_path} contains 2 chunks only"
68
69 # Check if the first and second chunk folders exist and they contain a ${app_path}/metadata file.
70 for chunk in $(seq 0 1); do
71 path=$(ls $local_path/${chunk_pattern}-${chunk}/${app_path}/metadata)
72 ok $? "Chunk ${chunk} exists based on path $path"
73 done
74
75 # Make sure we don't have anything else in the first 2 chunk directories
76 # besides the kernel folder.
77 for chunk in $(seq 0 1); do
78 nr_stale=$(ls -A $local_path/${chunk_pattern}-${chunk} | grep -v $domain | wc -l)
79 ok $nr_stale "No stale folders in chunk ${chunk} directory"
80 done
81
82 # We expect a complete session of 30 events
83 validate_trace_count $EVENT_NAME $local_path 30
84
85 # Chunk 1: 10 events
86 validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-0 10
87
88 # Chunk 2: 20 events
89 validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-1 20
90
91 shopt -u extglob
92 }
93
94 function rotate_timer_test ()
95 {
96 local_path=$1
97 per_pid=$2
98
99 today=$(date +%Y%m%d)
100 nr=0
101 nr_iter=0
102 expected_chunks=3
103
104 # Wait for the "archives" folder to appear after the first rotation
105 until [ -d $local_path ]; do
106 sleep 1
107 done
108
109 # Wait for $expected_chunks to be generated, timeout after
110 # 3 * $expected_chunks * 0.5s.
111 # On a laptop with an empty session, a local rotation takes about 200ms,
112 # and a remote rotation takes about 600ms.
113 # We currently set the timeout to 6 seconds for 3 rotations, if we get
114 # errors, we can bump this value.
115
116 until [ $nr -ge $expected_chunks ] || [ $nr_iter -ge $(($expected_chunks * 2 )) ]; do
117 nr=$(ls $local_path | wc -l)
118 nr_iter=$(($nr_iter+1))
119 sleep 1
120 done
121 test $nr -ge $expected_chunks
122 ok $? "Generated $nr chunks in $(($nr_iter))s"
123 stop_lttng_tracing_ok $SESSION_NAME
124 destroy_lttng_session_ok $SESSION_NAME
125
126 # Make sure the 10 first chunks are valid empty traces
127 i=1
128 local chunk_pattern=$(get_chunk_pattern ${today})
129
130 # Enable extglob for the use of chunk_pattern
131 shopt -s extglob
132
133 # In a per-pid setup, only the first chunk is a valid trace, the other
134 # chunks should be empty folders
135 if test $per_pid = 1; then
136 validate_trace_empty $local_path/${chunk_pattern}-0
137 nr=$(ls $local_path/${chunk_pattern}-1/ | wc -l)
138 test $nr = 0
139 ok $? "Chunk 2 is empty"
140 nr=$(ls $local_path/${chunk_pattern}-2/ | wc -l)
141 test $nr = 0
142 ok $? "Chunk 3 is empty"
143 else
144 while [ $i -le $expected_chunks ]; do
145 validate_trace_empty $local_path/${chunk_pattern}-$i
146 i=$(($i+1))
147 done
148 fi
149 shopt -u extglob
150 }
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