+#!/bin/bash
+#
+# Copyright (C) - 2017 Julien Desfossez <jdesfossez@efficios.com>
+#
+# This library is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation; version 2.1 of the License.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
# Clean everything under directory but keep directory
function clean_path ()
{
set +u
}
-function set_chunk_pattern ()
+# The extglob shell option must be enabled to use the pattern generated by this
+# function (shopt -s extglob/ shopt -u extglob).
+# The pattern returned by this function is to validate the form:
+# YYYYMMDDTHHMMSS[+-]HHMM-YYYYMMDDTHHMMSS[+-]HHMM
+#
+# Where YYYYMMDD is today or tomorrow. Tomorrow must be supported in case where
+# the chunks are generated close to midnight and one ends up the following day.
+function get_chunk_pattern ()
{
- # Need to call this function after $today has been set.
+ local today=$1
+ tommorow=$(date +%Y%m%d -d "${today}+1days")
+ pattern_hour_min="[0-9][0-9][0-9][0-9]"
+ pattern_hour_min_sec="${pattern_hour_min}[0-9][0-9]"
+
+ base_pattern="@(${today}|${tommorow})T${pattern_hour_min_sec}[+-]${pattern_hour_min}"
+ # Return the pattern
# YYYYMMDDTHHMMSS[+-]HHMM-YYYYMMDDTHHMMSS[+-]HHMM
- 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]"
+ echo "${base_pattern}-${base_pattern}"
}
function validate_test_chunks ()
domain=$4
per_pid=$5
- set_chunk_pattern
+ local path=
+ local chunk_pattern=$(get_chunk_pattern ${today})
+
+ # Enable extglob for the use of chunk_pattern
+ shopt -s extglob
+
+ # Validate that only 3 chunks are present
+ nb_chunk=$(ls -A $local_path | wc -l)
+ test $nb_chunk -eq 3
+ ok $? "${local_path} contains 3 chunks only"
- # Check if the 3 chunk folders exist and they contain a ${app_path}/metadata file.
- ls $local_path/${chunk_pattern}-1/${app_path}/metadata >/dev/null
- ok $? "Chunk 1 exists"
- ls $local_path/${chunk_pattern}-2/${app_path}/metadata >/dev/null
- ok $? "Chunk 2 exists"
- ls $local_path/${chunk_pattern}-3/${domain} >/dev/null
- ok $? "Chunk 3 exists"
+ # Check if the first and second chunk folders exist and they contain a ${app_path}/metadata file.
+ for chunk in $(seq 1 2); do
+ path=$(ls $local_path/${chunk_pattern}-${chunk}/${app_path}/metadata)
+ ok $? "Chunk ${chunk} exists based on path $path"
+ done
+
+ # In per-pid the last chunk (3) must be empty.
+ if [ "${per_pid}" -eq "1" ]; then
+ test -z "$(ls -A $local_path/${chunk_pattern}-3/${domain})"
+ ok $? "Chunk 3 is empty per-pid mode"
+ else
+ path=$(ls $local_path/${chunk_pattern}-3/${app_path}/metadata)
+ ok $? "Chunk 3 exists based on path $path"
+ fi
# Make sure we don't have anything else in the first 2 chunk directories
# besides the kernel folder.
- nr_stale=$(\ls $local_path/${chunk_pattern}-1 | grep -v $domain | wc -l)
- ok $nr_stale "No stale folders in chunk 1 directory"
- nr_stale=$(\ls $local_path/${chunk_pattern}-2 | grep -v $domain | wc -l)
- ok $nr_stale "No stale folders in chunk 2 directory"
+ for chunk in $(seq 1 2); do
+ nr_stale=$(ls -A $local_path/${chunk_pattern}-${chunk} | grep -v $domain | wc -l)
+ ok $nr_stale "No stale folders in chunk ${chunk} directory"
+ done
- # We expect a session of 30 events
+ # We expect a complete session of 30 events
validate_trace_count $EVENT_NAME $local_path 30
# Chunk 1: 10 events
validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-1 10
- if [ $? -eq 0 ]; then
- # Only delete if successful
- rm -rf $local_path/${chunk_pattern}-1
- fi
# Chunk 2: 20 events
validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-2 20
- if [ $? -eq 0 ]; then
- # Only delete if successful
- rm -rf $local_path/${chunk_pattern}-2
- fi
# Chunk 3: 0 event
- # Do not check in per-pid, because the folder is really empty, no metadata
- # or stream files.
- if test $per_pid = 1; then
- rm -rf $local_path/${chunk_pattern}-3
- else
+ # Trace for chunk number 3 can only be read in per-uid mode since in
+ # per-pid mode it is empty (no metadata or stream files).
+ if test $per_pid = 0; then
validate_trace_empty $local_path/${chunk_pattern}-3
- if [ $? -eq 0 ]; then
- # Only delete if successful
- rm -rf $local_path/${chunk_pattern}-3
- fi
fi
-
- # The session folder after all chunks have been removed is empty
- test -z "$(\ls -A $local_path)"
- empty=$?
- ok $empty "Trace folder is now empty"
+ shopt -u extglob
}
function rotate_timer_test ()
stop_lttng_tracing_ok $SESSION_NAME
destroy_lttng_session_ok $SESSION_NAME
- now=$(date +%Y%m%d)
- test $today = $now
- ok $? "Date did not change during the test"
-
# Make sure the 10 first chunks are valid empty traces
i=1
- set_chunk_pattern
+ local chunk_pattern=$(get_chunk_pattern ${today})
+
+ # Enable extglob for the use of chunk_pattern
+ shopt -s extglob
# In a per-pid setup, only the first chunk is a valid trace, the other
# chunks should be empty folders
i=$(($i+1))
done
fi
+ shopt -u extglob
}