doc: add doc for pybind of rgw

Signed-off-by: Kefu Chai <kchai@redhat.com>

admin/build-doc

@@ -72,49 +72,29 @@ mkdir -p $vdir/lib
 export LD_LIBRARY_PATH="$vdir/lib"
 export PYTHONPATH=$TOPDIR/src/pybind
 
-ln -sf librados.so.2 $vdir/lib/librados.so
-gcc -shared -o $vdir/lib/librados.so.2 -xc /dev/null
-BUILD_DOC=1 \
-    CFLAGS="-iquote$TOPDIR/src/include" \
-    CPPFLAGS="-iquote$TOPDIR/src/include" \
-    LDFLAGS="-L$vdir/lib -Wl,--no-as-needed" \
-    $vdir/bin/pip install $TOPDIR/src/pybind/rados
-nm $vdir/lib/python*/*-packages/rados.so | grep 'U rados_' | \
-    awk '{ print "void "$2"(void) {}" }' | \
-    gcc -shared -o $vdir/lib/librados.so.2 -xc -
-
 # FIXME(sileht): I dunno how to pass the include-dirs correctly with pip
 # for build_ext step, it should be:
 # --global-option=build_ext --global-option="--cython-include-dirs $TOPDIR/src/pybind/rados/"
 # but that doesn't work, so copying the file in the rbd module directly, that's ok for docs
-cp -f $TOPDIR/src/pybind/rados/rados.pxd $TOPDIR/src/pybind/rbd/
-cp -f $TOPDIR/src/pybind/rados/rados.pxd $TOPDIR/src/pybind/cephfs/
-
-ln -sf librbd.so.1 $vdir/lib/librbd.so
-gcc -shared -o $vdir/lib/librbd.so.1 -xc /dev/null
-BUILD_DOC=1 \
-    CFLAGS="-iquote$TOPDIR/src/include" \
-    CPPFLAGS="-iquote$TOPDIR/src/include" \
-    LDFLAGS="-L$vdir/lib -Wl,--no-as-needed" \
-    $vdir/bin/pip install $TOPDIR/src/pybind/rbd
-nm $vdir/lib/python*/*-packages/rbd.so | grep 'U rbd_' | \
-    awk '{ print "void "$2"(void) {}" }' | \
-    gcc -shared -o $vdir/lib/librbd.so.1 -xc -
-
-
-ln -sf libcephfs.so.1 $vdir/lib/libcephfs.so
-gcc -shared -o $vdir/lib/libcephfs.so.1 -xc /dev/null
-BUILD_DOC=1 \
-    CFLAGS="-iquote$TOPDIR/src/include" \
-    CPPFLAGS="-iquote$TOPDIR/src/include" \
-    LDFLAGS="-L$vdir/lib -Wl,--no-as-needed" \
-    $vdir/bin/pip install $TOPDIR/src/pybind/cephfs
-nm $vdir/lib/python*/*-packages/cephfs.so | grep 'U cephfs_' | \
-    awk '{ print "void "$2"(void) {}" }' | \
-    gcc -shared -o $vdir/lib/libcephfs.so.1 -xc -
-
-rm -f $TOPDIR/src/pybind/rbd/rados.pxd $TOPDIR/src/pybind/cephfs/rados.pxd
-
+for bind in rados rbd cephfs rgw; do
+    if [ ${bind} != rados ]; then
+        cp -f $TOPDIR/src/pybind/rados/rados.pxd $TOPDIR/src/pybind/${bind}/
+    fi
+    ln -sf lib${bind}.so.1 $vdir/lib/lib${bind}.so
+    gcc -shared -o $vdir/lib/lib${bind}.so.1 -xc /dev/null
+    BUILD_DOC=1 \
+        CFLAGS="-iquote$TOPDIR/src/include" \
+        CPPFLAGS="-iquote$TOPDIR/src/include" \
+        LDFLAGS="-L$vdir/lib -Wl,--no-as-needed" \
+        $vdir/bin/pip install $TOPDIR/src/pybind/${bind}
+    # rgwfile_version(), librgw_create(), rgw_mount()
+    nm $vdir/lib/python*/*-packages/${bind}.so | grep -E "U (lib)?${bind}" | \
+        awk '{ print "void "$2"(void) {}" }' | \
+        gcc -shared -o $vdir/lib/lib${bind}.so.1 -xc -
+    if [ ${bind} != rados ]; then
+        rm -f $TOPDIR/src/pybind/${bind}/rados.pxd
+    fi
+done
 
 $vdir/bin/sphinx-build -a -n -b dirhtml -d doctrees $TOPDIR/doc $TOPDIR/build-doc/output/html
 $vdir/bin/sphinx-build -a -b man -t man -d doctrees $TOPDIR/doc $TOPDIR/build-doc/output/man

doc/api/index.rst

@@ -26,6 +26,12 @@ See `librbdpy`_.
 
 .. _librbdpy: ../rbd/librbdpy
 
+Ceph RADOS Gateway APIs
+=======================
+
+See `librgw-py`_.
+
+.. _librgw-py: ../radosgw/api
 
 Calamari APIs
 =============

doc/radosgw/api.rst

@@ -0,0 +1,14 @@
+===============
+librgw (Python)
+===============
+
+.. highlight:: python
+
+The `rgw` python module provides file-like access to rgw.
+
+API Reference
+=============
+
+.. automodule:: rgw
+    :members: LibRGWFS, FileHandle
+