[Unit-tests] Collect crash data when a unit-test core-dumps

.drone.yml

@@ -7,6 +7,7 @@ steps:
       image: signalwire/freeswitch-public-base
       pull: true
       commands:
+      - cat /proc/sys/kernel/core_pattern
       - ./bootstrap.sh -j
       - echo "applications/mod_test" >> modules.conf
       - ./configure
@@ -15,7 +16,8 @@ steps:
       - ./build.sh
       - cd tests/unit
       - ./run-tests.sh
-      - mkdir logs && (mv log_run-tests_*.html logs || true)
+      - ls -la /cores
+      - mkdir logs && (mv log_run-tests_*.html logs || true) && (mv backtrace_*.txt logs || true)
       - echo 0 > run-tests-status.txt
       - ./collect-test-logs.sh && exit 0 || echo 'Some tests failed'
       - echo 1 > run-tests-status.txt
@@ -42,6 +44,6 @@ trigger:
   - push
 ---
 kind: signature
-hmac: a34718dd1e2b9468a845962219ff05cac0c922ddf90d885af557a937a9e412e0
+hmac: ee1de4cb1fa925cf61ac67c76c54d553e4376b3a828480d39ce99a67fabae298
 
 ...

tests/unit/collect-test-logs.sh

@@ -10,7 +10,12 @@ for name in $logs
 do
 	logname=$(basename $name)
 	testname=$(echo $logname | awk -F 'log_run-tests_' '{print $2}' | awk -F '.html' '{print $1}')
-	html+="<tr align=\"left\"><td><a href="$logname">$testname</a></td></tr>"
+	html+="<tr align=\"left\"><td><a href="$logname">$testname</a>"
+	backtrace="backtrace_$testname.txt"
+	if test -f "${LOG_DIR}/$backtrace"; then
+	    html+=". Core dumped, backtrace is available <a href=\"$backtrace\">here</a>"
+	fi
+	html+="</td></tr>"
 	logs_found=1
 done
 

tests/unit/run-tests.sh

@@ -21,6 +21,12 @@ do
 	rm $logfilename ;
     else
 	echo "*** ./$i exit status is $exitstatus" ;
+	if ls /cores/core.*.!drone!src!tests!unit!.libs!$i.* 1> /dev/null 2>&1; then
+	    echo "Coredump found";
+	    COREDUMP=$(ls /cores/core.*.!drone!src!tests!unit!.libs!$i.*) ;
+	    echo $COREDUMP;
+	    gdb -ex "set logging file backtrace_$i.txt" -ex "set logging on" -ex "set pagination off" -ex "bt" -ex "bt full" -ex "info threads" -ex "thread apply all bt" -ex "thread apply all bt full" -ex "quit" /drone/src/tests/unit/.libs/$i $COREDUMP ;
+	fi ;
 	echo "*** $logfilename was saved" ;
     fi ;
     echo "----------------" ;