nginx: write access log to stderr

Close #2

Author: myfreeer

nginx-0007-logs-write-access-log-to-stderr.patch

@@ -0,0 +1,85 @@
+From 1203558f07a960c885af4225109b6525ec06e55e Mon Sep 17 00:00:00 2001
+From: myfreeer <[email protected]>
+Date: Thu, 23 Jan 2020 10:40:30 +0800
+Subject: [PATCH] logs: write access log to stderr
+
+Affecting:
+* ngx_http_log_module
+* ngx_stream_log_module
+---
+ src/http/modules/ngx_http_log_module.c | 21 +++++++++++++++++++--
+ src/stream/ngx_stream_log_module.c     | 12 +++++++++++-
+ 2 files changed, 30 insertions(+), 3 deletions(-)
+
+diff --git a/src/http/modules/ngx_http_log_module.c b/src/http/modules/ngx_http_log_module.c
+index f7c4bd2..e6b73ce 100644
+--- a/src/http/modules/ngx_http_log_module.c
++++ b/src/http/modules/ngx_http_log_module.c
+@@ -1179,6 +1179,7 @@ ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
+ {
+     ngx_http_log_loc_conf_t *prev = parent;
+     ngx_http_log_loc_conf_t *conf = child;
++    ngx_str_t               name;
+ 
+     ngx_http_log_t            *log;
+     ngx_http_log_fmt_t        *fmt;
+@@ -1220,7 +1221,13 @@ ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
+ 
+     log->file = ngx_conf_open_file(cf->cycle, &ngx_http_access_log);
+     if (log->file == NULL) {
+-        return NGX_CONF_ERROR;
++        // fall back to stderr
++        ngx_str_null(&name);
++        cf->cycle->log_use_stderr = 1;
++        log->file = ngx_conf_open_file(cf->cycle, &name);
++        if (log->file == NULL) {
++            return NGX_CONF_ERROR;
++        }
+     }
+ 
+     lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
+@@ -1282,7 +1289,17 @@ ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+     ngx_memzero(log, sizeof(ngx_http_log_t));
+ 
+ 
+-    if (ngx_strncmp(value[1].data, "syslog:", 7) == 0) {
++    if (ngx_strcmp(value[1].data, "stderr") == 0) {
++        ngx_str_null(&name);
++        cf->cycle->log_use_stderr = 1;
++
++        log->file = ngx_conf_open_file(cf->cycle, &name);
++        if (log->file == NULL) {
++            return NGX_CONF_ERROR;
++        }
++
++        goto process_formats;
++    } else if (ngx_strncmp(value[1].data, "syslog:", 7) == 0) {
+ 
+         peer = ngx_pcalloc(cf->pool, sizeof(ngx_syslog_peer_t));
+         if (peer == NULL) {
+diff --git a/src/stream/ngx_stream_log_module.c b/src/stream/ngx_stream_log_module.c
+index 0ff7f42..14ddc74 100644
+--- a/src/stream/ngx_stream_log_module.c
++++ b/src/stream/ngx_stream_log_module.c
+@@ -1014,7 +1014,17 @@ ngx_stream_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+     ngx_memzero(log, sizeof(ngx_stream_log_t));
+ 
+ 
+-    if (ngx_strncmp(value[1].data, "syslog:", 7) == 0) {
++    if (ngx_strcmp(value[1].data, "stderr") == 0) {
++        ngx_str_null(&name);
++        cf->cycle->log_use_stderr = 1;
++
++        log->file = ngx_conf_open_file(cf->cycle, &name);
++        if (log->file == NULL) {
++            return NGX_CONF_ERROR;
++        }
++
++        goto process_formats;
++    } else if (ngx_strncmp(value[1].data, "syslog:", 7) == 0) {
+ 
+         peer = ngx_pcalloc(cf->pool, sizeof(ngx_syslog_peer_t));
+         if (peer == NULL) {
+-- 
+2.25.0
+