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add global option internal.developeronly.options

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This permits the ability to set some developer-specific behaviour
changes, e.g. for testbench testing or things like this. NEVER to
be used by users.
This commit is contained in:
Rainer Gerhards 2018-04-28 12:46:32 +02:00
parent 2f8d8fb3f5
commit bd6f016db0
3 changed files with 27 additions and 2 deletions
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7
runtime/glbl.c
View File

@ -7,7 +7,7 @@
*
* Module begun 2008-04-16 by Rainer Gerhards
*
* Copyright 2008-2017 Rainer Gerhards and Adiscon GmbH.
* Copyright 2008-2018 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of the rsyslog runtime library.
*
@ -128,6 +128,8 @@ size_t glblDbgFilesNum = 0;
int glblDbgWhitelist = 1;
int glblPermitCtlC = 0;
uint64_t glblDevOptions = 0; /* to be used by developers only */
pid_t glbl_ourpid;
#ifndef HAVE_ATOMIC_BUILTINS
static DEF_ATOMIC_HELPER_MUT(mutTerminateInputs);
@ -182,6 +184,7 @@ static struct cnfparamdescr cnfparamdescr[] = {
{ "environment", eCmdHdlrArray, 0 },
{ "processinternalmessages", eCmdHdlrBinary, 0 },
{ "umask", eCmdHdlrFileCreateMode, 0 },
{ "internal.developeronly.options", eCmdHdlrInt, 0 },
{ "internalmsg.ratelimit.interval", eCmdHdlrPositiveInt, 0 },
{ "internalmsg.ratelimit.burst", eCmdHdlrPositiveInt, 0 },
{ "errormessagestostderr.maxnumber", eCmdHdlrPositiveInt, 0 },
@ -1002,6 +1005,8 @@ glblProcessCnf(struct cnfobj *o)
continue;
if(!strcmp(paramblk.descr[i].name, "processinternalmessages")) {
bProcessInternalMessages = (int) cnfparamvals[i].val.d.n;
} else if(!strcmp(paramblk.descr[i].name, "internal.developeronly.options")) {
glblDevOptions = (uint64_t) cnfparamvals[i].val.d.n;
} else if(!strcmp(paramblk.descr[i].name, "stdlog.channelspec")) {
#ifndef HAVE_LIBLOGGING_STDLOG
LogError(0, RS_RET_ERR, "rsyslog wasn't "

10
runtime/glbl.h
View File

@ -123,6 +123,16 @@ extern size_t glblDbgFilesNum;
extern int glblDbgWhitelist;
extern int glblPermitCtlC;
/* Developer options enable some strange things for developer-only testing.
* These should never be enabled in a user build, except if explicitly told
* by a developer. The options are acutally flags, so they should be powers
* of two. Flag assignment may change between versions, **backward
* compatibility is NOT necessary**.
* rgerhards, 2018-04-28
*/
#define DEV_OPTION_KEEP_RUNNING_ON_HARD_CONF_ERROR 1
extern uint64_t glblDevOptions;
#define glblGetOurPid() glbl_ourpid
#define glblSetOurPid(pid) { glbl_ourpid = (pid); }

12
tools/rsyslogd.c
View File

@ -1456,7 +1456,17 @@ initAll(int argc, char **argv)
/* check for "hard" errors that needs us to abort in any case */
if( (localRet == RS_RET_CONF_FILE_NOT_FOUND)
|| (localRet == RS_RET_NO_ACTIONS) ) {
ABORT_FINALIZE(localRet);
/* for extreme testing, we keep the ability to let rsyslog continue
* even on hard config errors. Note that this may lead to segfaults
* or other malfunction further down the road.
*/
if((glblDevOptions & DEV_OPTION_KEEP_RUNNING_ON_HARD_CONF_ERROR) == 1) {
fprintf(stderr, "rsyslogd: NOTE: developer-only option set to keep rsyslog "
"running where it should abort - this can lead to "
"more problems later in the run.\n");
} else {
ABORT_FINALIZE(localRet);
}
}
glbl.GenerateLocalHostNameProperty();