Tests: size-based rotation: implement a trace size cutoff protection

[lttng-tools.git] / tests / regression / tools / rotation / rotate_utils.sh

diff --git a/tests/regression/tools/rotation/rotate_utils.sh b/tests/regression/tools/rotation/rotate_utils.sh
index 8179f7d1534ec261ff6ef198e572af42a17efc94..146f7e25cc529fa0023b6ecfbac5f485418f3fcb 100644 (file)
--- a/tests/regression/tools/rotation/rotate_utils.sh
+++ b/tests/regression/tools/rotation/rotate_utils.sh
@@ -1,19 +1,8 @@
 #!/bin/bash
 #
-# Copyright (C) - 2017 Julien Desfossez <jdesfossez@efficios.com>
+# 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
+# SPDX-License-Identifier: LGPL-2.1-only
 
 # Clean everything under directory but keep directory
 function clean_path ()
@@ -52,8 +41,8 @@ function validate_test_chunks ()
        local_path=$1
        today=$2
        app_path=$3
-       domain=$4
-       per_pid=$5
+       shift 3
+       domains=("$@")
 
        local path=
        local chunk_pattern=$(get_chunk_pattern ${today})
@@ -75,8 +64,14 @@ function validate_test_chunks ()
        # Make sure we don't have anything else in the first 2 chunk directories
        # besides the kernel folder.
        for chunk in $(seq 0 1); do
-               nr_stale=$(ls -A $local_path/${chunk_pattern}-${chunk} | grep -v $domain | wc -l)
-               ok $nr_stale "No stale folders in chunk ${chunk} directory"
+               local stale_files
+
+               stale_files=$(ls -A $local_path/${chunk_pattern}-${chunk})
+               for domain in "${domains[@]}"; do
+                       stale_files=$(echo "$stale_files" | grep -v $domain)
+               done
+               nr_stale=$(echo -n "$stale_files" | wc -l)
+               ok "$nr_stale" "No stale folders in chunk ${chunk} directory"
        done
 
        # We expect a complete session of 30 events
@@ -119,11 +114,10 @@ function rotate_timer_test ()
                sleep 1
        done
        test $nr -ge $expected_chunks
-       ok $? "Generated $nr chunks in $(($nr_iter))s"
+       ok $? "Generated at least $nr chunks in $(($nr_iter))s"
        stop_lttng_tracing_ok $SESSION_NAME
        destroy_lttng_session_ok $SESSION_NAME
 
-       # Make sure the 10 first chunks are valid empty traces
        i=1
        local chunk_pattern=$(get_chunk_pattern ${today})
 
@@ -133,12 +127,14 @@ function rotate_timer_test ()
        # In a per-pid setup, only the first chunk is a valid trace, the other
        # chunks should be empty folders
        if test $per_pid = 1; then
-               validate_trace_empty $local_path/${chunk_pattern}-1
-               nr=$(ls $local_path/${chunk_pattern}-2/ust | wc -l)
-               test $nr = 0
+               validate_trace_empty $local_path/${chunk_pattern}-0
+               nr=$(find $local_path/${chunk_pattern}-1/ | wc -l)
+               # contains self and may contain ust/ subdir (local) or not (remote).
+               test $nr -le 2
                ok $? "Chunk 2 is empty"
-               nr=$(ls $local_path/${chunk_pattern}-3/ust | wc -l)
-               test $nr = 0
+               nr=$(find $local_path/${chunk_pattern}-2/ | wc -l)
+               # contains self and may contain ust/ subdir (local) or not (remote).
+               test $nr -le 2
                ok $? "Chunk 3 is empty"
        else
                while [ $i -le $expected_chunks ]; do
@@ -148,3 +144,28 @@ function rotate_timer_test ()
        fi
        shopt -u extglob
 }
+
+function trace_until_n_archives ()
+{
+       local produce_events=$1
+       local trace_path=$2
+       local target_archive_count=$3
+       local trace_size_cutoff=$4
+       local archive_count=0
+       local trace_size=0
+
+       diag "Waiting for $target_archive_count size-based rotations to occur"
+       while [[ archive_count -lt $target_archive_count && $trace_size -lt $trace_size_cutoff ]]
+       do
+               archive_count=$(find "$trace_path" -mindepth 2 -maxdepth 2 -type d -path "*archives*" | wc -l)
+               trace_size=$(du -b "$trace_path" | tail -n1 | cut -f1)
+               $produce_events 2000
+       done
+
+       if [[ $trace_size -ge $trace_size_cutoff ]]; then
+               diag "Exceeded size cutoff of $trace_size_cutoff bytes while waiting for $target_archive_count rotations"
+       fi
+
+       [[ $archive_count -eq $target_archive_count ]]
+       ok $? "Found $target_archive_count trace archives resulting from trace archive rotations"
+}