tests/regression/tools/rotation/rotate_utils.sh

   1 function set_chunk_pattern ()
   2 {
   3         # Need to call this function after $today has been set.
   4
   5         # YYYYMMDD-HHMMSS-YYYYMMDD-HHMMSS
   6         export chunk_pattern="${today}-[0-9][0-9][0-9][0-9][0-9][0-9]-${today}-[0-9][0-9][0-9][0-9][0-9][0-9]"
   7 }
   8
   9 function validate_test_chunks ()
  10 {
  11         local_path=$1
  12         today=$2
  13         app_path=$3
  14         domain=$4
  15         per_pid=$5
  16
  17         set_chunk_pattern
  18
  19         # Check if the 3 chunk folders exist and they contain a ${app_path}/metadata file.
  20         ls $local_path/${chunk_pattern}-1/${app_path}/metadata >/dev/null
  21         ok $? "Chunk 1 exists"
  22         ls $local_path/${chunk_pattern}-2/${app_path}/metadata >/dev/null
  23         ok $? "Chunk 2 exists"
  24         ls $local_path/${chunk_pattern}-3/${domain} >/dev/null
  25         ok $? "Chunk 3 exists"
  26
  27         # Make sure we don't have anything else in the first 2 chunk directories
  28         # besides the kernel folder.
  29         nr_stale=$(\ls $local_path/${chunk_pattern}-1 | grep -v $domain | wc -l)
  30         ok $nr_stale "No stale folders in chunk 1 directory"
  31         nr_stale=$(\ls $local_path/${chunk_pattern}-2 | grep -v $domain | wc -l)
  32         ok $nr_stale "No stale folders in chunk 2 directory"
  33
  34         # We expect a session of 30 events
  35         validate_trace_count $EVENT_NAME $local_path 30
  36
  37         # Chunk 1: 10 events
  38         validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-1 10
  39         if [ $? -eq 0 ]; then
  40                 # Only delete if successful
  41                 rm -rf $local_path/${chunk_pattern}-1
  42         fi
  43
  44         # Chunk 2: 20 events
  45         validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-2 20
  46         if [ $? -eq 0 ]; then
  47                 # Only delete if successful
  48                 rm -rf $local_path/${chunk_pattern}-2
  49         fi
  50
  51         # Chunk 3: 0 event
  52         # Do not check in per-pid, because the folder is really empty, no metadata
  53         # or stream files.
  54         if test $per_pid = 1; then
  55                 rm -rf $local_path/${chunk_pattern}-3
  56         else
  57                 validate_trace_empty $local_path/${chunk_pattern}-3
  58                 if [ $? -eq 0 ]; then
  59                         # Only delete if successful
  60                         rm -rf $local_path/${chunk_pattern}-3
  61                 fi
  62         fi
  63
  64         # The session folder after all chunks have been removed is empty
  65         test -z "$(\ls -A $local_path)"
  66         empty=$?
  67         ok $empty "Trace folder is now empty"
  68         if [ $empty -eq 0 ]; then
  69         # Only delete if successful
  70                 rm -rf $local_path/
  71         else
  72                 find $local_path
  73         fi
  74 }
  75
  76 function rotate_timer_test ()
  77 {
  78         local_path=$1
  79         per_pid=$2
  80
  81         today=$(date +%Y%m%d)
  82         nr=0
  83         nr_iter=0
  84         expected_chunks=3
  85
  86         # Wait for $expected_chunks to be generated, timeout after
  87         # 3 * $expected_chunks * 0.5s.
  88         # On a laptop with an empty session, a local rotation takes about 200ms,
  89         # and a remote rotation takes about 600ms.
  90         # We currently set the timeout to 6 seconds for 3 rotations, if we get
  91         # errors, we can bump this value.
  92
  93         until [ $nr -ge $expected_chunks ] || [ $nr_iter -ge $(($expected_chunks * 2 )) ]; do
  94                 nr=$(ls $local_path | wc -l)
  95                 nr_iter=$(($nr_iter+1))
  96                 sleep 1
  97         done
  98         test $nr -ge $expected_chunks
  99         ok $? "Generated $nr chunks in $(($nr_iter))s"
 100         stop_lttng_tracing_ok $SESSION_NAME
 101         destroy_lttng_session_ok $SESSION_NAME
 102
 103         now=$(date +%Y%m%d)
 104         test $today = $now
 105         ok $? "Date did not change during the test"
 106
 107         # Make sure the 10 first chunks are valid empty traces
 108         i=1
 109         set_chunk_pattern
 110
 111         # In a per-pid setup, only the first chunk is a valid trace, the other
 112         # chunks should be empty folders
 113         if test $per_pid = 1; then
 114                 validate_trace_empty $local_path/${chunk_pattern}-1
 115                 nr=$(ls $local_path/${chunk_pattern}-2/ust | wc -l)
 116                 test $nr = 0
 117                 ok $? "Chunk 2 is empty"
 118                 nr=$(ls $local_path/${chunk_pattern}-3/ust | wc -l)
 119                 test $nr = 0
 120                 ok $? "Chunk 3 is empty"
 121         else
 122                 while [ $i -le $expected_chunks ]; do
 123                         validate_trace_empty $local_path/${chunk_pattern}-$i
 124                         i=$(($i+1))
 125         done
 126 fi
 127
 128         rm -rf $local_path
 129 }