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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 16:28:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 16:28:20 +0000 |
commit | dcc721a95bef6f0d8e6d8775b8efe33e5aecd562 (patch) | |
tree | 66a2774cd0ee294d019efd71d2544c70f42b2842 /tests/omprog-restart-terminated.sh | |
parent | Initial commit. (diff) | |
download | rsyslog-dcc721a95bef6f0d8e6d8775b8efe33e5aecd562.tar.xz rsyslog-dcc721a95bef6f0d8e6d8775b8efe33e5aecd562.zip |
Adding upstream version 8.2402.0.upstream/8.2402.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/omprog-restart-terminated.sh')
-rwxr-xr-x | tests/omprog-restart-terminated.sh | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/tests/omprog-restart-terminated.sh b/tests/omprog-restart-terminated.sh new file mode 100755 index 0000000..8fbc99e --- /dev/null +++ b/tests/omprog-restart-terminated.sh @@ -0,0 +1,155 @@ +#!/bin/bash +# This file is part of the rsyslog project, released under ASL 2.0 + +# This test checks that omprog restarts the external program when it +# terminates prematurely, and that it does so without leaking file +# descriptors. Two cases are checked: termination of the program when +# omprog is going to write to the pipe (to send a message to the +# program), and when omprog is going to read from the pipe (when it +# is expecting the program to confirm the last message). + +. ${srcdir:=.}/diag.sh init +check_command_available lsof + +generate_conf +add_conf ' +module(load="../plugins/omprog/.libs/omprog") + +template(name="outfmt" type="string" string="%msg%\n") + +:msg, contains, "msgnum:" { + action( + type="omprog" + binary="'$RSYSLOG_DYNNAME'.omprog-restart-terminated-bin.sh" + template="outfmt" + name="omprog_action" + queue.type="Direct" # the default; facilitates sync with the child process + confirmMessages="on" # facilitates sync with the child process + action.resumeRetryCount="3" + action.resumeInterval="1" + action.reportSuspensionContinuation="on" + signalOnClose="off" + ) +} + +syslog.* { + action(type="omfile" template="outfmt" file=`echo $RSYSLOG2_OUT_LOG`) +} +' + +# We need a test-specific program name, as the test needs to signal the child process +cp -f $srcdir/testsuites/omprog-restart-terminated-bin.sh $RSYSLOG_DYNNAME.omprog-restart-terminated-bin.sh + +# On Solaris 10, the output of ps is truncated for long process names; use /usr/ucb/ps instead: +if [[ $(uname) = "SunOS" && $(uname -r) = "5.10" ]]; then + function get_child_pid { + /usr/ucb/ps -awwx | grep "$RSYSLOG_DYNNAME.[o]mprog-restart-terminated-bin.sh" | awk '{ print $1 }' + } +else + function get_child_pid { + ps -ef | grep "$RSYSLOG_DYNNAME.[o]mprog-restart-terminated-bin.sh" | awk '{ print $2 }' + } +fi + +startup +injectmsg 0 1 +wait_queueempty + +pid=$(getpid) +echo PID: $pid +start_fd_count=$(lsof -p $pid | wc -l) + +injectmsg 1 1 +injectmsg 2 1 +wait_queueempty + +child_pid_1=$(get_child_pid) +kill -s USR1 $child_pid_1 +./msleep 100 + +injectmsg 3 1 +injectmsg 4 1 +wait_queueempty + +child_pid_2=$(get_child_pid) +kill -s TERM $child_pid_2 +./msleep 100 + +injectmsg 5 1 +injectmsg 6 1 +injectmsg 7 1 +wait_queueempty + +child_pid_3=$(get_child_pid) +kill -s KILL $child_pid_3 +./msleep 100 + +injectmsg 8 1 +injectmsg 9 1 +wait_queueempty + +end_fd_count=$(lsof -p $pid | wc -l) +child_pid_4=$(get_child_pid) +child_lsof=$(lsof -a -d 0-65535 -p $child_pid_4 | awk '$4 != "255r" { print $4 " " $9 }') + +shutdown_when_empty +wait_shutdown + +export EXPECTED="Starting +Received msgnum:00000000: +Received msgnum:00000001: +Received msgnum:00000002: +Received SIGUSR1, will terminate after the next message +Received msgnum:00000003: +Terminating without confirming the last message +Starting +Received msgnum:00000003: +Received msgnum:00000004: +Received SIGTERM, terminating +Starting +Received msgnum:00000005: +Received msgnum:00000006: +Received msgnum:00000007: +Starting +Received msgnum:00000008: +Received msgnum:00000009: +Terminating normally" +cmp_exact $RSYSLOG_OUT_LOG + +if [[ "$start_fd_count" != "$end_fd_count" ]]; then + echo "file descriptor leak: started with $start_fd_count open files, ended with $end_fd_count" + error_exit 1 +fi + +# Check that the child process does not inherit open fds from rsyslog +# (apart from the pipes), and that stderr is redirected to /dev/null. +# Ignore fd 255, which bash opens for internal use. + +EXPECTED_CHILD_LSOF="FD NAME +0r pipe +1w pipe +2w /dev/null" + +# On Solaris, lsof gives this alternate output: +EXPECTED_CHILD_LSOF_2="FD NAME +0u (fifofs) +1u (fifofs) +2w " + +if [[ "$child_lsof" != "$EXPECTED_CHILD_LSOF" && "$child_lsof" != "$EXPECTED_CHILD_LSOF_2" ]]; then + echo "unexpected open files for child process:" + echo "$child_lsof" + error_exit 1 +fi + +# Check also that child process terminations are reported correctly. +# When the reportChildProcessExits global parameter is "errors" (the default), +# only non-zero exit codes are reported. +content_check "(pid $child_pid_1) terminated; will be restarted" $RSYSLOG2_OUT_LOG +custom_assert_content_missing "(pid $child_pid_1) exited with status" $RSYSLOG2_OUT_LOG +content_check "(pid $child_pid_2) terminated; will be restarted" $RSYSLOG2_OUT_LOG +content_check "(pid $child_pid_2) exited with status 1" $RSYSLOG2_OUT_LOG +content_check "(pid $child_pid_3) terminated; will be restarted" $RSYSLOG2_OUT_LOG +content_check "(pid $child_pid_3) terminated by signal 9" $RSYSLOG2_OUT_LOG + +exit_test |