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 }