[sheepdog] [PATCH] Remove automatic log rotation

[Valerio Pachera]

Actually sheepdog rotates the log when its size is 500M.
This interfere with the linux distribution logrotate.
When receiving HUP, sheepdog has only to recreate a file
descriptor.

Signed-off-by: Valerio Pachera <sirio81 at gmail.com>
---
 lib/logger.c |   32 --------------------------------
 1 file changed, 32 deletions(-)

diff --git a/lib/logger.c b/lib/logger.c
index 02bab00..617cd65 100644
--- a/lib/logger.c
+++ b/lib/logger.c
@@ -453,19 +453,6 @@ static void dolog(int prio, const char *func, int line,
 static void rotate_log(void)
 {
 	int new_fd;
-
-	if (access(log_nowname, R_OK) == 0) {
-		char old_logfile[256];
-		time_t t;
-		struct tm tm;
-		time(&t);
-		localtime_r((const time_t *)&t, &tm);
-		snprintf(old_logfile, sizeof(old_logfile),
-			 "%s.%04d-%02d-%02d-%02d-%02d",
-			 log_nowname, tm.tm_year + 1900, tm.tm_mon + 1,
-			 tm.tm_mday, tm.tm_hour, tm.tm_min);
-		rename(log_nowname, old_logfile);
-	}
 	new_fd = open(log_nowname, O_RDWR | O_CREAT | O_APPEND, 0644);
 	if (new_fd < 0) {
 		syslog(LOG_ERR, "failed to create new log file\n");
@@ -600,28 +587,9 @@ static void logger(char *log_dir, char *outfile)
 
 	while (la->active) {
 		log_flush();
-
-		block_sighup();
-
-		if (dst_type == LOG_DST_DEFAULT && max_logsize) {
-			off_t offset;
-
-			offset = lseek(log_fd, 0, SEEK_END);
-			if (offset < 0) {
-				syslog(LOG_ERR, "sheep log error\n");
-			} else {
-				size_t log_size = (size_t)offset;
-				if (log_size >= max_logsize)
-					rotate_log();
-			}
-		}
-
-		unblock_sighup();
-
 		if (getppid() != sheep_pid)
 			/* My parent (sheep process) is dead. */
 			break;
-
 		sleep(1);
 	}
 
-- 
1.7.10.4