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lxc: driver: Improve logging when launching emulator

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Log the full command line and a timestamp like we do for QEMU
This commit is contained in:
Cole Robinson 2011-05-05 16:35:00 -04:00
parent 451cfd05a2
commit 924eb9a4b4
1 changed files with 23 additions and 0 deletions
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23
src/lxc/lxc_driver.c
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@ -56,6 +56,8 @@
#define VIR_FROM_THIS VIR_FROM_LXC
#define START_POSTFIX ": starting up\n"
#define LXC_NB_MEM_PARAM 3
typedef struct _lxcDomainObjPrivate lxcDomainObjPrivate;
@ -1254,6 +1256,9 @@ static int lxcControllerStart(lxc_driver_t *driver,
char *filterstr;
char *outputstr;
virCommandPtr cmd;
off_t pos = -1;
char ebuf[1024];
char *timestamp;
cmd = virCommandNew(vm->def->emulator);
@ -1315,6 +1320,24 @@ static int lxcControllerStart(lxc_driver_t *driver,
goto cleanup;
}
/* Log timestamp */
if ((timestamp = virTimestamp()) == NULL) {
virReportOOMError();
goto cleanup;
}
if (safewrite(logfile, timestamp, strlen(timestamp)) < 0 ||
safewrite(logfile, START_POSTFIX, strlen(START_POSTFIX)) < 0) {
VIR_WARN("Unable to write timestamp to logfile: %s",
virStrerror(errno, ebuf, sizeof ebuf));
}
VIR_FREE(timestamp);
/* Log generated command line */
virCommandWriteArgLog(cmd, logfile);
if ((pos = lseek(logfile, 0, SEEK_END)) < 0)
VIR_WARN("Unable to seek to end of logfile: %s",
virStrerror(errno, ebuf, sizeof ebuf));
virCommandPreserveFD(cmd, appPty);
virCommandSetOutputFD(cmd, &logfile);
virCommandSetErrorFD(cmd, &logfile);