percona-server56: drop

Percona Server for MySQL 5.6 is no more maintained due to the EOL of MySQL 5.6.
See https://www.percona.com/downloads/Percona-Server-5.6/LATEST/.

A bit hard to list all the potential security issues affecting it but CVE-2021-27928
should be one of them.

nixos/doc/manual/from_md/release-notes/rl-2211.section.xml

@@ -850,6 +850,13 @@
           option, and it is enabled by default, for servers.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          <literal>percona-server56</literal> has been removed. Please
+          migrate to <literal>mysql</literal> or
+          <literal>mariadb</literal> if possible.
+        </para>
+      </listitem>
       <listitem>
         <para>
           <literal>stylua</literal> no longer accepts

nixos/doc/manual/release-notes/rl-2211.section.md

@@ -264,6 +264,8 @@ Available as [services.patroni](options.html#opt-services.patroni.enable).
 - Consequently, `cqrlog` and `amorok` now use `mariadb` instead of `mysql57` for their embedded databases. Running `mysql_upgrade` may be neccesary.
 - `k3s` supports `clusterInit` option, and it is enabled by default, for servers.
 
+- `percona-server56` has been removed. Please migrate to `mysql` or `mariadb` if possible.
+
 - `stylua` no longer accepts `lua52Support` and `luauSupport` overrides, use `features` instead, which defaults to `[ "lua54" "luau" ]`.
 
 - `pkgs.fetchNextcloudApp` has been rewritten to circumvent impurities in e.g. tarballs from GitHub and to make it easier to

pkgs/servers/sql/percona/5.6.x.nix

@@ -1,60 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, bison, ncurses, openssl, zlib, libaio, perl }:
-
-stdenv.mkDerivation rec {
-  pname = "percona-server";
-  version = "5.6.49-89.0";
-
-  src = fetchurl {
-    url = "https://www.percona.com/downloads/Percona-Server-5.6/Percona-Server-${version}/source/tarball/percona-server-${version}.tar.gz";
-    sha256 = "09qqk02iny7jvngyk6k2j0kk2sspc6gw8sm3i6nn97njbkihi697";
-  };
-
-  nativeBuildInputs = [ cmake bison perl ];
-  buildInputs = [ ncurses openssl zlib libaio ];
-
-  cmakeFlags = [
-    "-DFEATURE_SET=community"
-    "-DBUILD_CONFIG=mysql_release"
-    "-DCMAKE_BUILD_TYPE=RelWithDebInfo"
-    "-DWITH_SSL=yes"
-    "-DWITH_READLINE=no"
-    "-DWITH_EMBEDDED_SERVER=no"
-    "-DWITH_EDITLINE=bundled"
-    "-DWITH_ZLIB=yes"
-    "-DHAVE_IPV6=no"
-    "-DMYSQL_UNIX_ADDR=/run/mysqld/mysqld.sock"
-    "-DMYSQL_DATADIR=/var/lib/mysql"
-    "-DINSTALL_SYSCONFDIR=etc/mysql"
-    "-DINSTALL_INFODIR=share/mysql/docs"
-    "-DINSTALL_MANDIR=share/man"
-    "-DINSTALL_PLUGINDIR=lib/mysql/plugin"
-    "-DINSTALL_SCRIPTDIR=bin"
-    "-DINSTALL_INCLUDEDIR=include/mysql"
-    "-DINSTALL_DOCREADMEDIR=share/mysql"
-    "-DINSTALL_SUPPORTFILESDIR=share/mysql"
-    "-DINSTALL_MYSQLSHAREDIR=share/mysql"
-    "-DINSTALL_DOCDIR=share/mysql/docs"
-    "-DINSTALL_SHAREDIR=share/mysql"
-  ];
-
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=address-of-packed-member" ];
-  NIX_LDFLAGS = "-lgcc_s";
-
-  prePatch = ''
-    sed -i -e "s|/usr/bin/libtool|libtool|" cmake/libutils.cmake
-  '';
-  postInstall = ''
-    sed -i -e "s|basedir=\"\"|basedir=\"$out\"|" $out/bin/mysql_install_db
-    rm -r $out/mysql-test $out/sql-bench $out/data "$out"/lib/*.a
-  '';
-
-  passthru.mysqlVersion = "5.6";
-
-  meta = with lib; {
-    homepage = "https://www.percona.com";
-    description = "a free, fully compatible, enhanced, open source drop-in replacement for MySQL that provides superior performance, scalability and instrumentation";
-    platforms = platforms.linux;
-    license = licenses.gpl2;
-    maintainers = with maintainers; [ grahamc ];
-  };
-}

pkgs/top-level/aliases.nix

@@ -1066,6 +1066,8 @@ mapAliases ({
   pdfstudio = throw "'pdfstudio' has been replaced with 'pdfstudio<year>', where '<year>' is the year from the PDF Studio version number, because each license is specific to a given year"; # Added 2022-09-04
   peach = asouldocs; # Added 2022-08-28
   pentablet-driver = xp-pen-g430-driver; # Added 2022-06-23
+  percona-server = percona-server56; # Added 2022-11-01
+  percona-server56 = throw "'percona-server56' has been dropped due to lack of maintenance, no upstream support and security issues"; # Added 2022-11-01
   perlXMLParser = throw "'perlXMLParser' has been renamed to/replaced by 'perlPackages.XMLParser'"; # Converted to throw 2022-02-22
   perlArchiveCpio = throw "'perlArchiveCpio' has been renamed to/replaced by 'perlPackages.ArchiveCpio'"; # Converted to throw 2022-02-22
   pgadmin = pgadmin4;

pkgs/top-level/all-packages.nix

@@ -24044,12 +24044,6 @@ with pkgs;
 
   nginx-sso = callPackage ../servers/nginx-sso { };
 
-  percona-server56 = callPackage ../servers/sql/percona/5.6.x.nix {
-    stdenv = gcc10StdenvCompat;
-    openssl = openssl_1_1;
-  };
-  percona-server = percona-server56;
-
   immudb = callPackage ../servers/nosql/immudb { };
 
   influxdb = callPackage ../servers/nosql/influxdb { };