ceph: Modify ceph package so that it compiles and runs fine on nixos

With adding a patch that makes 2 absolute paths into 2 relative paths, ensuring the third-party libraries are available
in the python environment used and wrapping the python tools with wrapPrograms does so that the fixed ceph pkg can
compile and run as intended on NixOS.

2 files changed, 38 insertions, 7 deletions

diff --git a/pkgs/tools/filesystems/ceph/0002-fix-absolute-include-path.patch b/pkgs/tools/filesystems/ceph/0002-fix-absolute-include-path.patch
new file mode 100644
index 0000000000000..01aa194dddf2b
--- /dev/null
+++ b/pkgs/tools/filesystems/ceph/0002-fix-absolute-include-path.patch
@@ -0,0 +1,19 @@
+diff -ru ceph/src/key_value_store/kv_flat_btree_async.cc ceph-copy/src/key_value_store/kv_flat_btree_async.cc
+--- ceph/src/key_value_store/kv_flat_btree_async.cc	1980-01-02 00:00:00.000000000 +0100
++++ ceph-copy/src/key_value_store/kv_flat_btree_async.cc	2018-02-13 21:49:59.232860487 +0100
+@@ -15,13 +15,13 @@
+ #include "key_value_store/kv_flat_btree_async.h"
+ #include "key_value_store/kvs_arg_types.h"
+ #include "include/rados/librados.hpp"
+-#include "/usr/include/asm-generic/errno.h"
+-#include "/usr/include/asm-generic/errno-base.h"
+ #include "common/ceph_context.h"
+ #include "common/Clock.h"
+ #include "include/types.h"
+ 
+ 
++#include <asm-generic/errno.h>
++#include <asm-generic/errno-base.h>
+ #include <string>
+ #include <iostream>
+ #include <cassert>
diff --git a/pkgs/tools/filesystems/ceph/generic.nix b/pkgs/tools/filesystems/ceph/generic.nix
index a18051f9c126e..32b85eaa68157 100644
--- a/pkgs/tools/filesystems/ceph/generic.nix
+++ b/pkgs/tools/filesystems/ceph/generic.nix
@@ -86,12 +86,17 @@ let
   };
 
   ceph-python-env = python2Packages.python.withPackages (ps: [ 
-	ps.sphinx
-	ps.flask
-	ps.argparse
-	ps.cython 
-	ps.setuptools
-	ps.pip
+    ps.sphinx
+    ps.flask
+    ps.argparse
+    ps.cython 
+    ps.setuptools
+    ps.pip
+    # Libraries needed by the python tools
+    ps.Mako
+    ps.pecan
+    ps.prettytable
+    ps.webob
 	]);
 
 in
@@ -103,11 +108,13 @@ stdenv.mkDerivation {
   patches = [ 
  #	 ./ceph-patch-cmake-path.patch
     ./0001-kv-RocksDBStore-API-break-additional.patch   
+  ] ++ optionals stdenv.isLinux [
+    ./0002-fix-absolute-include-path.patch
   ];
 
   nativeBuildInputs = [
     cmake
-    pkgconfig which git
+    pkgconfig which git python2Packages.wrapPython
     (ensureNewerSourcesHook { year = "1980"; })
   ];
   
@@ -122,6 +129,7 @@ stdenv.mkDerivation {
   ] ++ optionals hasKinetic [
     optKinetic-cpp-client
   ];
+
   
   preConfigure =''
     # rip off submodule that interfer with system libs
@@ -149,6 +157,10 @@ stdenv.mkDerivation {
     "-DWITH_LIBCEPHFS=OFF"
   ];
 
+  postFixup = ''
+    wrapPythonPrograms
+  '';
+
   enableParallelBuilding = true;
   
   outputs = [ "dev" "lib" "out" "doc" ];