Merge pull request #97536 from gdamjan/fix-uwsgi-php-try3

Fix compiling and linking the php plugin in uwsgi

nixos/tests/uwsgi.nix

@@ -4,12 +4,13 @@ import ./make-test-python.nix ({ pkgs, ... }:
   meta = with pkgs.stdenv.lib.maintainers; {
     maintainers = [ lnl7 ];
   };
+
   machine = { pkgs, ... }: {
     services.uwsgi.enable = true;
-    services.uwsgi.plugins = [ "python3" ];
+    services.uwsgi.plugins = [ "python3" "php" ];
     services.uwsgi.instance = {
       type = "emperor";
-      vassals.hello = {
+      vassals.python = {
         type = "normal";
         master = true;
         workers = 2;
@@ -25,6 +26,17 @@ import ./make-test-python.nix ({ pkgs, ... }:
         '';
         pythonPackages = self: with self; [ flask ];
       };
+      vassals.php = {
+        type = "normal";
+        master = true;
+        workers = 2;
+        http-socket = ":8001";
+        http-socket-modifier1 = 14;
+        php-index = "index.php";
+        php-docroot = pkgs.writeTextDir "index.php" ''
+          <?php echo "Hello World\n"; ?>
+        '';
+      };
     };
   };
 
@@ -33,6 +45,8 @@ import ./make-test-python.nix ({ pkgs, ... }:
       machine.wait_for_unit("multi-user.target")
       machine.wait_for_unit("uwsgi.service")
       machine.wait_for_open_port(8000)
+      machine.wait_for_open_port(8001)
       assert "Hello World" in machine.succeed("curl -fv 127.0.0.1:8000")
+      assert "Hello World" in machine.succeed("curl -fv 127.0.0.1:8001")
     '';
 })

pkgs/servers/uwsgi/additional-php-ldflags.patch

@@ -0,0 +1,13 @@
+diff --git a/plugins/php/uwsgiplugin.py b/plugins/php/uwsgiplugin.py
+index d930c44e..2fcbc22a 100644
+--- a/plugins/php/uwsgiplugin.py
++++ b/plugins/php/uwsgiplugin.py
+@@ -17,6 +17,8 @@ php_version = os.popen(PHPPATH + ' --version').read().rstrip().split('.')[0]
+ CFLAGS = [os.popen(PHPPATH + ' --includes').read().rstrip(), '-Wno-sign-compare']
+ LDFLAGS = os.popen(PHPPATH + ' --ldflags').read().rstrip().split()
+ 
++LDFLAGS.append(os.environ.get('UWSGICONFIG_PHP_LDFLAGS', []))
++
+ if ld_run_path:
+     LDFLAGS.append('-L%s' % ld_run_path)
+     os.environ['LD_RUN_PATH'] = ld_run_path

pkgs/servers/uwsgi/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, pkgconfig, jansson, pcre
+{ stdenv, nixosTests, lib, fetchurl, pkgconfig, jansson, pcre
 # plugins: list of strings, eg. [ "python2" "python3" ]
 , plugins ? []
 , pam, withPAM ? stdenv.isLinux
@@ -38,8 +38,12 @@ let php-embed = php.override {
                   (lib.nameValuePair "php" {
                     # usage: https://uwsgi-docs.readthedocs.io/en/latest/PHP.html#running-php-apps-with-nginx
                     path = "plugins/php";
-                    inputs = [ php-embed ] ++ php-embed.buildInputs;
-                    NIX_CFLAGS_LINK = [ "-L${libmysqlclient}/lib/mysql" ];
+                    inputs = [
+                        php-embed
+                        php-embed.extensions.session
+                        php-embed.extensions.session.dev
+                        php-embed.unwrapped.dev
+                    ] ++ php-embed.unwrapped.buildInputs;
                   })
                 ];
 
@@ -61,6 +65,11 @@ stdenv.mkDerivation rec {
     sha256 = "0256v72b7zr6ds4srpaawk1px3bp0djdwm239w3wrxpw7dzk1gjn";
   };
 
+  patches = [
+        ./no-ext-session-php_session.h-on-NixOS.patch
+        ./additional-php-ldflags.patch
+  ];
+
   nativeBuildInputs = [ python3 pkgconfig ];
 
   buildInputs =  [ jansson pcre ]
@@ -83,6 +92,16 @@ stdenv.mkDerivation rec {
     substituteAll ${./nixos.ini} buildconf/nixos.ini
   '';
 
+  # this is a hack to make the php plugin link with session.so (which on nixos is a separate package)
+  # the hack works in coordination with ./additional-php-ldflags.patch
+  UWSGICONFIG_PHP_LDFLAGS = lib.optionalString (builtins.any (x: x.name == "php") needed)
+        lib.concatStringsSep "," [
+            "-Wl"
+            "-rpath=${php-embed.extensions.session}/lib/php/extensions/"
+            "--library-path=${php-embed.extensions.session}/lib/php/extensions/"
+            "-l:session.so"
+        ];
+
   buildPhase = ''
     mkdir -p $pluginDir
     python3 uwsgiconfig.py --build nixos
@@ -94,8 +113,6 @@ stdenv.mkDerivation rec {
     ${lib.concatMapStringsSep "\n" (x: x.install or "") needed}
   '';
 
-  NIX_CFLAGS_LINK = toString (lib.optional withSystemd "-lsystemd" ++ lib.concatMap (x: x.NIX_CFLAGS_LINK or []) needed);
-
   meta = with stdenv.lib; {
     homepage = "https://uwsgi-docs.readthedocs.org/en/latest/";
     description = "A fast, self-healing and developer/sysadmin-friendly application container server coded in pure C";
@@ -103,4 +120,7 @@ stdenv.mkDerivation rec {
     maintainers = with maintainers; [ abbradar schneefux globin ];
     platforms = platforms.unix;
   };
+
+  passthru.tests.uwsgi = nixosTests.uwsgi;
+
 }

pkgs/servers/uwsgi/no-ext-session-php_session.h-on-NixOS.patch

@@ -0,0 +1,29 @@
+From 6b9b3559d8ce59eda6c5cd6f04224cebaaa5d0ea Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=D0=94=D0=B0=D0=BC=D1=98=D0=B0=D0=BD=20=D0=93=D0=B5=D0=BE?=
+ =?UTF-8?q?=D1=80=D0=B3=D0=B8=D0=B5=D0=B2=D1=81=D0=BA=D0=B8?=
+ <gdamjan@gmail.com>
+Date: Tue, 8 Sep 2020 17:11:39 +0200
+Subject: [PATCH] no ext/session/php_session.h on NixOS
+
+on NixOS php_session.h is in its own package, and is not installed in
+ext/session/
+---
+ plugins/php/common.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/plugins/php/common.h b/plugins/php/common.h
+index 9bf1c069..be93f519 100644
+--- a/plugins/php/common.h
++++ b/plugins/php/common.h
+@@ -10,7 +10,7 @@
+ #endif
+ #include "ext/standard/info.h"
+ 
+-#include "ext/session/php_session.h"
++#include "php_session.h"
+ 
+ #include <uwsgi.h>
+ 
+-- 
+2.28.0
+