tests: trigger action firing policy
[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 # SPDX-License-Identifier: LGPL-2.1-only
6
7 # Clean everything under directory but keep directory
8 function clean_path ()
9 {
10 local path=$1
11 # Use -u from bash top prevent empty expansion of variable yielding a
12 # list of current directory from find.
13 set -u
14 find $path -mindepth 1 -maxdepth 1 -exec rm -rf '{}' \;
15 set +u
16 }
17
18 # The extglob shell option must be enabled to use the pattern generated by this
19 # function (shopt -s extglob/ shopt -u extglob).
20 # The pattern returned by this function is to validate the form:
21 # YYYYMMDDTHHMMSS[+-]HHMM-YYYYMMDDTHHMMSS[+-]HHMM
22 #
23 # Where YYYYMMDD is today or tomorrow. Tomorrow must be supported in case where
24 # the chunks are generated close to midnight and one ends up the following day.
25 function get_chunk_pattern ()
26 {
27 local today=$1
28 tommorow=$(date +%Y%m%d -d "${today}+1days")
29 pattern_hour_min="[0-9][0-9][0-9][0-9]"
30 pattern_hour_min_sec="${pattern_hour_min}[0-9][0-9]"
31
32 base_pattern="@(${today}|${tommorow})T${pattern_hour_min_sec}[+-]${pattern_hour_min}"
33
34 # Return the pattern
35 # YYYYMMDDTHHMMSS[+-]HHMM-YYYYMMDDTHHMMSS[+-]HHMM
36 echo "${base_pattern}-${base_pattern}"
37 }
38
39 function validate_test_chunks ()
40 {
41 local_path=$1
42 today=$2
43 app_path=$3
44 domain=$4
45 per_pid=$5
46
47 local path=
48 local chunk_pattern=$(get_chunk_pattern ${today})
49
50 # Enable extglob for the use of chunk_pattern
51 shopt -s extglob
52
53 # Validate that only 2 chunks are present
54 nb_chunk=$(ls -A $local_path | wc -l)
55 test $nb_chunk -eq 2
56 ok $? "${local_path} contains 2 chunks only"
57
58 # Check if the first and second chunk folders exist and they contain a ${app_path}/metadata file.
59 for chunk in $(seq 0 1); do
60 path=$(ls $local_path/${chunk_pattern}-${chunk}/${app_path}/metadata)
61 ok $? "Chunk ${chunk} exists based on path $path"
62 done
63
64 # Make sure we don't have anything else in the first 2 chunk directories
65 # besides the kernel folder.
66 for chunk in $(seq 0 1); do
67 nr_stale=$(ls -A $local_path/${chunk_pattern}-${chunk} | grep -v $domain | wc -l)
68 ok $nr_stale "No stale folders in chunk ${chunk} directory"
69 done
70
71 # We expect a complete session of 30 events
72 validate_trace_count $EVENT_NAME $local_path 30
73
74 # Chunk 1: 10 events
75 validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-0 10
76
77 # Chunk 2: 20 events
78 validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-1 20
79
80 shopt -u extglob
81 }
82
83 function rotate_timer_test ()
84 {
85 local_path=$1
86 per_pid=$2
87
88 today=$(date +%Y%m%d)
89 nr=0
90 nr_iter=0
91 expected_chunks=3
92
93 # Wait for the "archives" folder to appear after the first rotation
94 until [ -d $local_path ]; do
95 sleep 1
96 done
97
98 # Wait for $expected_chunks to be generated, timeout after
99 # 3 * $expected_chunks * 0.5s.
100 # On a laptop with an empty session, a local rotation takes about 200ms,
101 # and a remote rotation takes about 600ms.
102 # We currently set the timeout to 6 seconds for 3 rotations, if we get
103 # errors, we can bump this value.
104
105 until [ $nr -ge $expected_chunks ] || [ $nr_iter -ge $(($expected_chunks * 2 )) ]; do
106 nr=$(ls $local_path | wc -l)
107 nr_iter=$(($nr_iter+1))
108 sleep 1
109 done
110 test $nr -ge $expected_chunks
111 ok $? "Generated at least $nr chunks in $(($nr_iter))s"
112 stop_lttng_tracing_ok $SESSION_NAME
113 destroy_lttng_session_ok $SESSION_NAME
114
115 i=1
116 local chunk_pattern=$(get_chunk_pattern ${today})
117
118 # Enable extglob for the use of chunk_pattern
119 shopt -s extglob
120
121 # In a per-pid setup, only the first chunk is a valid trace, the other
122 # chunks should be empty folders
123 if test $per_pid = 1; then
124 validate_trace_empty $local_path/${chunk_pattern}-0
125 nr=$(find $local_path/${chunk_pattern}-1/ | wc -l)
126 # contains self and may contain ust/ subdir (local) or not (remote).
127 test $nr -le 2
128 ok $? "Chunk 2 is empty"
129 nr=$(find $local_path/${chunk_pattern}-2/ | wc -l)
130 # contains self and may contain ust/ subdir (local) or not (remote).
131 test $nr -le 2
132 ok $? "Chunk 3 is empty"
133 else
134 while [ $i -le $expected_chunks ]; do
135 validate_trace_empty $local_path/${chunk_pattern}-$i
136 i=$(($i+1))
137 done
138 fi
139 shopt -u extglob
140 }
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