Add basic IPv6 support and replace haproxy by nginx for VPS failover

nginx/patches/101-feature_test_fix.patch

@@ -0,0 +1,107 @@
+--- a/auto/cc/name
++++ b/auto/cc/name
+@@ -7,7 +7,7 @@ if [ "$NGX_PLATFORM" != win32 ]; then
+ 
+     ngx_feature="C compiler"
+     ngx_feature_name=
+-    ngx_feature_run=yes
++    ngx_feature_run=
+     ngx_feature_incs=
+     ngx_feature_path=
+     ngx_feature_libs=
+--- a/auto/cc/conf
++++ b/auto/cc/conf
+@@ -200,7 +200,7 @@ if [ "$NGX_PLATFORM" != win32 ]; then
+     else
+         ngx_feature="C99 variadic macros"
+         ngx_feature_name="NGX_HAVE_C99_VARIADIC_MACROS"
+-        ngx_feature_run=yes
++        ngx_feature_run=no
+         ngx_feature_incs="#include <stdio.h>
+ #define var(dummy, ...)  sprintf(__VA_ARGS__)"
+         ngx_feature_path=
+@@ -214,7 +214,7 @@ if [ "$NGX_PLATFORM" != win32 ]; then
+ 
+     ngx_feature="gcc variadic macros"
+     ngx_feature_name="NGX_HAVE_GCC_VARIADIC_MACROS"
+-    ngx_feature_run=yes
++    ngx_feature_run=no
+     ngx_feature_incs="#include <stdio.h>
+ #define var(dummy, args...)  sprintf(args)"
+     ngx_feature_path=
+--- a/auto/os/linux
++++ b/auto/os/linux
+@@ -36,7 +36,7 @@ fi
+ 
+ ngx_feature="epoll"
+ ngx_feature_name="NGX_HAVE_EPOLL"
+-ngx_feature_run=yes
++ngx_feature_run=no
+ ngx_feature_incs="#include <sys/epoll.h>"
+ ngx_feature_path=
+ ngx_feature_libs=
+@@ -93,7 +93,7 @@ ngx_feature_test="int fd; struct stat sb
+ CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE"
+ ngx_feature="sendfile()"
+ ngx_feature_name="NGX_HAVE_SENDFILE"
+-ngx_feature_run=yes
++ngx_feature_run=no
+ ngx_feature_incs="#include <sys/sendfile.h>
+                   #include <errno.h>"
+ ngx_feature_path=
+@@ -114,7 +114,7 @@ fi
+ CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"
+ ngx_feature="sendfile64()"
+ ngx_feature_name="NGX_HAVE_SENDFILE64"
+-ngx_feature_run=yes
++ngx_feature_run=no
+ ngx_feature_incs="#include <sys/sendfile.h>
+                   #include <errno.h>"
+ ngx_feature_path=
+@@ -132,7 +132,7 @@ ngx_include="sys/prctl.h"; . auto/includ
+ 
+ ngx_feature="prctl(PR_SET_DUMPABLE)"
+ ngx_feature_name="NGX_HAVE_PR_SET_DUMPABLE"
+-ngx_feature_run=yes
++ngx_feature_run=no
+ ngx_feature_incs="#include <sys/prctl.h>"
+ ngx_feature_path=
+ ngx_feature_libs=
+--- a/auto/unix
++++ b/auto/unix
+@@ -735,7 +735,7 @@ ngx_feature_test="void *p; p = memalign(
+ 
+ ngx_feature="mmap(MAP_ANON|MAP_SHARED)"
+ ngx_feature_name="NGX_HAVE_MAP_ANON"
+-ngx_feature_run=yes
++ngx_feature_run=no
+ ngx_feature_incs="#include <sys/mman.h>"
+ ngx_feature_path=
+ ngx_feature_libs=
+@@ -748,7 +748,7 @@ ngx_feature_test="void *p;
+ 
+ ngx_feature='mmap("/dev/zero", MAP_SHARED)'
+ ngx_feature_name="NGX_HAVE_MAP_DEVZERO"
+-ngx_feature_run=yes
++ngx_feature_run=no
+ ngx_feature_incs="#include <sys/mman.h>
+                   #include <sys/stat.h>
+                   #include <fcntl.h>"
+@@ -763,7 +763,7 @@ ngx_feature_test='void *p; int  fd;
+ 
+ ngx_feature="System V shared memory"
+ ngx_feature_name="NGX_HAVE_SYSVSHM"
+-ngx_feature_run=yes
++ngx_feature_run=no
+ ngx_feature_incs="#include <sys/ipc.h>
+                   #include <sys/shm.h>"
+ ngx_feature_path=
+@@ -777,7 +777,7 @@ ngx_feature_test="int  id;
+ 
+ ngx_feature="POSIX semaphores"
+ ngx_feature_name="NGX_HAVE_POSIX_SEM"
+-ngx_feature_run=yes
++ngx_feature_run=no
+ ngx_feature_incs="#include <semaphore.h>"
+ ngx_feature_path=
+ ngx_feature_libs=

nginx/patches/102-sizeof_test_fix.patch

@@ -0,0 +1,27 @@
+--- a/auto/types/sizeof
++++ b/auto/types/sizeof
+@@ -25,8 +25,14 @@ $NGX_INCLUDE_UNISTD_H
+ $NGX_INCLUDE_INTTYPES_H
+ $NGX_INCLUDE_AUTO_CONFIG_H
+ 
++char object_code_block[] = {
++	'\n', 'e', '4', 'V', 'A',
++	'0', 'x', ('0' + sizeof($ngx_type)),
++	'Y', '3', 'p', 'M', '\n'
++};
++
+ int main(void) {
+-    printf("%d", (int) sizeof($ngx_type));
++    printf("dummy use of object_code_block to avoid gc-section: %c", object_code_block[0]);
+     return 0;
+ }
+ 
+@@ -40,7 +45,7 @@ eval "$ngx_test >> $NGX_AUTOCONF_ERR 2>&
+ 
+ 
+ if [ -x $NGX_AUTOTEST ]; then
+-    ngx_size=`$NGX_AUTOTEST`
++    ngx_size=`sed -ne 's/^e4VA0x\(.\)Y3pM$/\1/p' < $NGX_AUTOTEST`
+     echo " $ngx_size bytes"
+ fi
+ 

nginx/patches/103-sys_nerr.patch

@@ -0,0 +1,12 @@
+--- a/src/os/unix/ngx_errno.c
++++ b/src/os/unix/ngx_errno.c
+@@ -8,6 +8,9 @@
+ #include <ngx_config.h>
+ #include <ngx_core.h>
+ 
++#ifndef NGX_SYS_NERR
++#define NGX_SYS_NERR  128
++#endif
+ 
+ /*
+  * The strerror() messages are copied because:

nginx/patches/200-config.patch

@@ -0,0 +1,18 @@
+--- a/conf/nginx.conf
++++ b/conf/nginx.conf
+@@ -1,5 +1,5 @@
+ 
+-#user  nobody;
++user nobody nogroup;
+ worker_processes  1;
+ 
+ #error_log  logs/error.log;
+@@ -16,7 +16,7 @@ events {
+ 
+ http {
+     include       mime.types;
+-    default_type  application/octet-stream;
++    #default_type  application/octet-stream;
+ 
+     #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+     #                  '$status $body_bytes_sent "$http_referer" '

nginx/patches/300-max-processes.patch

@@ -0,0 +1,11 @@
+--- a/src/os/unix/ngx_process.h
++++ b/src/os/unix/ngx_process.h
+@@ -44,7 +44,7 @@ typedef struct {
+ } ngx_exec_ctx_t;
+ 
+ 
+-#define NGX_MAX_PROCESSES         1024
++#define NGX_MAX_PROCESSES         8
+ 
+ #define NGX_PROCESS_NORESPAWN     -1
+ #define NGX_PROCESS_JUST_SPAWN    -2