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-rwxr-xr-xsrc/vlib/unix/main.c13
-rw-r--r--src/vlib/unix/unix.h2
2 files changed, 12 insertions, 3 deletions
diff --git a/src/vlib/unix/main.c b/src/vlib/unix/main.c
index 90601d7bc41..0f9068c67c3 100755
--- a/src/vlib/unix/main.c
+++ b/src/vlib/unix/main.c
@@ -239,8 +239,8 @@ unix_error_handler (void *arg, u8 * msg, int msg_len)
{
unix_main_t *um = arg;
- /* Echo to stderr when interactive. */
- if (um->flags & UNIX_FLAG_INTERACTIVE)
+ /* Echo to stderr when interactive or syslog is disabled. */
+ if (um->flags & (UNIX_FLAG_INTERACTIVE | UNIX_FLAG_NOSYSLOG))
{
CLIB_UNUSED (int r) = write (2, msg, msg_len);
}
@@ -400,6 +400,8 @@ unix_config (vlib_main_t * vm, unformat_input_t * input)
um->flags |= UNIX_FLAG_INTERACTIVE;
else if (unformat (input, "nodaemon"))
um->flags |= UNIX_FLAG_NODAEMON;
+ else if (unformat (input, "nosyslog"))
+ um->flags |= UNIX_FLAG_NOSYSLOG;
else if (unformat (input, "cli-prompt %s", &cli_prompt))
vlib_unix_cli_set_prompt (cli_prompt);
else
@@ -529,7 +531,7 @@ unix_config (vlib_main_t * vm, unformat_input_t * input)
}
}
- if (!(um->flags & UNIX_FLAG_INTERACTIVE))
+ if (!(um->flags & (UNIX_FLAG_INTERACTIVE | UNIX_FLAG_NOSYSLOG)))
{
openlog (vm->name, LOG_CONS | LOG_PERROR | LOG_PID, LOG_DAEMON);
clib_error_register_handler (unix_error_handler, um);
@@ -569,6 +571,11 @@ unix_config (vlib_main_t * vm, unformat_input_t * input)
* Do not fork or background the VPP process. Typically used when invoking
* VPP applications from a process monitor.
*
+ * @cfgcmd{nosyslog}
+ * Do not send e.g. clib_warning(...) output to syslog. Used
+ * when invoking VPP applications from a process monitor which
+ * pipe stdout/stderr to a dedicated logger service.
+ *
* @cfgcmd{exec, <filename>}
* @par <code>startup-config &lt;filename&gt;</code>
* Read startup operational configuration from @c filename.
diff --git a/src/vlib/unix/unix.h b/src/vlib/unix/unix.h
index e71b0bac6a5..9fa95a0c1d6 100644
--- a/src/vlib/unix/unix.h
+++ b/src/vlib/unix/unix.h
@@ -59,6 +59,8 @@ typedef struct
/* Run interactively or as daemon (background process). */
#define UNIX_FLAG_INTERACTIVE (1 << 0)
#define UNIX_FLAG_NODAEMON (1 << 1)
+#define UNIX_FLAG_NOSYSLOG (1 << 2)
+
/* CLI listen socket. */
clib_socket_t cli_listen_socket;