| 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 | function set_chunk_pattern () |
| 30 | { |
| 31 | # Need to call this function after $today has been set. |
| 32 | |
| 33 | # YYYYMMDDTHHMMSS[+-]HHMM-YYYYMMDDTHHMMSS[+-]HHMM |
| 34 | export chunk_pattern="${today}T[0-9][0-9][0-9][0-9][0-9][0-9][+-][0-9][0-9][0-9][0-9]-${today}T[0-9][0-9][0-9][0-9][0-9][0-9][+-][0-9][0-9][0-9][0-9]" |
| 35 | } |
| 36 | |
| 37 | function validate_test_chunks () |
| 38 | { |
| 39 | local_path=$1 |
| 40 | today=$2 |
| 41 | app_path=$3 |
| 42 | domain=$4 |
| 43 | per_pid=$5 |
| 44 | |
| 45 | set_chunk_pattern |
| 46 | local path= |
| 47 | |
| 48 | # Validate that only 3 chunks are present |
| 49 | nb_chunk=$(ls -A $local_path | wc -l) |
| 50 | test $nb_chunk -eq 3 |
| 51 | ok $? "${local_path} contains 3 chunks only" |
| 52 | |
| 53 | # Check if the first and second chunk folders exist and they contain a ${app_path}/metadata file. |
| 54 | for chunk in $(seq 1 2); do |
| 55 | path=$(ls $local_path/${chunk_pattern}-${chunk}/${app_path}/metadata) |
| 56 | ok $? "Chunk ${chunk} exists based on path $path" |
| 57 | done |
| 58 | |
| 59 | # In per-pid the last chunk (3) must be empty. |
| 60 | if [ "${per_pid}" -eq "1" ]; then |
| 61 | test -z "$(ls -A $local_path/${chunk_pattern}-3/${domain})" |
| 62 | ok $? "Chunk 3 is empty per-pid mode" |
| 63 | else |
| 64 | path=$(ls $local_path/${chunk_pattern}-3/${app_path}/metadata) |
| 65 | ok $? "Chunk 3 exists based on path $path" |
| 66 | fi |
| 67 | |
| 68 | # Make sure we don't have anything else in the first 2 chunk directories |
| 69 | # besides the kernel folder. |
| 70 | nr_stale=$(\ls $local_path/${chunk_pattern}-1 | grep -v $domain | wc -l) |
| 71 | ok $nr_stale "No stale folders in chunk 1 directory" |
| 72 | nr_stale=$(\ls $local_path/${chunk_pattern}-2 | grep -v $domain | wc -l) |
| 73 | ok $nr_stale "No stale folders in chunk 2 directory" |
| 74 | |
| 75 | # We expect a complete session of 30 events |
| 76 | validate_trace_count $EVENT_NAME $local_path 30 |
| 77 | |
| 78 | # Chunk 1: 10 events |
| 79 | validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-1 10 |
| 80 | |
| 81 | # Chunk 2: 20 events |
| 82 | validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-2 20 |
| 83 | |
| 84 | # Chunk 3: 0 event |
| 85 | # Trace for chunk number 3 can only be read in per-uid mode since in |
| 86 | # per-pid mode it is empty (no metadata or stream files). |
| 87 | if test $per_pid = 0; then |
| 88 | validate_trace_empty $local_path/${chunk_pattern}-3 |
| 89 | fi |
| 90 | } |
| 91 | |
| 92 | function rotate_timer_test () |
| 93 | { |
| 94 | local_path=$1 |
| 95 | per_pid=$2 |
| 96 | |
| 97 | today=$(date +%Y%m%d) |
| 98 | nr=0 |
| 99 | nr_iter=0 |
| 100 | expected_chunks=3 |
| 101 | |
| 102 | # Wait for $expected_chunks to be generated, timeout after |
| 103 | # 3 * $expected_chunks * 0.5s. |
| 104 | # On a laptop with an empty session, a local rotation takes about 200ms, |
| 105 | # and a remote rotation takes about 600ms. |
| 106 | # We currently set the timeout to 6 seconds for 3 rotations, if we get |
| 107 | # errors, we can bump this value. |
| 108 | |
| 109 | until [ $nr -ge $expected_chunks ] || [ $nr_iter -ge $(($expected_chunks * 2 )) ]; do |
| 110 | nr=$(ls $local_path | wc -l) |
| 111 | nr_iter=$(($nr_iter+1)) |
| 112 | sleep 1 |
| 113 | done |
| 114 | test $nr -ge $expected_chunks |
| 115 | ok $? "Generated $nr chunks in $(($nr_iter))s" |
| 116 | stop_lttng_tracing_ok $SESSION_NAME |
| 117 | destroy_lttng_session_ok $SESSION_NAME |
| 118 | |
| 119 | now=$(date +%Y%m%d) |
| 120 | test $today = $now |
| 121 | ok $? "Date did not change during the test" |
| 122 | |
| 123 | # Make sure the 10 first chunks are valid empty traces |
| 124 | i=1 |
| 125 | set_chunk_pattern |
| 126 | |
| 127 | # In a per-pid setup, only the first chunk is a valid trace, the other |
| 128 | # chunks should be empty folders |
| 129 | if test $per_pid = 1; then |
| 130 | validate_trace_empty $local_path/${chunk_pattern}-1 |
| 131 | nr=$(ls $local_path/${chunk_pattern}-2/ust | wc -l) |
| 132 | test $nr = 0 |
| 133 | ok $? "Chunk 2 is empty" |
| 134 | nr=$(ls $local_path/${chunk_pattern}-3/ust | wc -l) |
| 135 | test $nr = 0 |
| 136 | ok $? "Chunk 3 is empty" |
| 137 | else |
| 138 | while [ $i -le $expected_chunks ]; do |
| 139 | validate_trace_empty $local_path/${chunk_pattern}-$i |
| 140 | i=$(($i+1)) |
| 141 | done |
| 142 | fi |
| 143 | } |