API: Packaging of JSON files.

Change-Id: If041b6faf1a091d4758b514f0a8cd800ee0e6a89
Signed-off-by: Ole Troan <ot@cisco.com>
Signed-off-by: Ole Troan <otroan@ot-vpp.cisco.com>
Signed-off-by: Ole Troan <ot@cisco.com>

19 files changed, 132 insertions, 367 deletions

diff --git a/build-data/platforms.mk b/build-data/platforms.mk
index 16e61e3f641..a568c7a06a3 100644
--- a/build-data/platforms.mk
+++ b/build-data/platforms.mk
@@ -28,6 +28,10 @@ install-deb: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
 	  | sed -e 's:.*:../& /usr/bin:'				\
 	    > deb/debian/vpp.install ;					\
 									\
+	: core api definitions ;					\
+	./scripts/find-api-core-contents $(INSTALL_PREFIX)$(ARCH)	\
+	 deb/debian/vpp.install ;					\
+									\
 	: need symbolic links in the lib pkg ; 				\
 	find $(INSTALL_PREFIX)$(ARCH)/*/lib* \( -type f -o  -type l \)  \
 	  -print | egrep -e '*\.so\.*\.*\.*'				\
@@ -35,6 +39,10 @@ install-deb: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
 	  | sed -e 's:.*:../& /usr/lib/x86_64-linux-gnu:'		\
 	    > deb/debian/vpp-lib.install ;				\
 									\
+	: vnet api definitions ;					\
+	./scripts/find-api-lib-contents $(INSTALL_PREFIX)$(ARCH)	\
+	 deb/debian/vpp-lib.install ;					\
+									\
 	: dev package ;							\
 	./scripts/find-dev-contents $(INSTALL_PREFIX)$(ARCH)		\
 	 deb/debian/vpp-dev.install ;					\
@@ -62,8 +70,6 @@ install-deb: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
 	: dev package needs a couple of additions ;			\
 	echo ../build-tool-native/vppapigen/vppapigen /usr/bin		\
 	   >> deb/debian/vpp-dev.install ;				\
-	echo ../../vppapigen/pyvppapigen.py /usr/bin			\
-           >> deb/debian/vpp-dev.install ;				\
 	echo ../../vpp-api/java/jvpp/gen/jvpp_gen.py /usr/bin		\
 	   >> deb/debian/vpp-dev.install ;				\
 	for i in $$(ls ../vpp-api/java/jvpp/gen/jvppgen/*.py); do	\
diff --git a/build-data/suffix-rules.mk b/build-data/suffix-rules.mk
index 95069297fa5..e3eeb9220bf 100644
--- a/build-data/suffix-rules.mk
+++ b/build-data/suffix-rules.mk
@@ -20,4 +20,8 @@
 	$(CC) $(CPPFLAGS) -E -P -C -x c $^			\
 	| vppapigen --input - --output $@ --show-name $@
 
-
+%.api.json: %.api
+	@echo "  JSON APIGEN  " $@ ;				\
+	mkdir -p `dirname $@` ;					\
+	$(CC) $(CPPFLAGS) -E -P -C -x c $^			\
+	| vppapigen --input - --json $@
diff --git a/build-root/rpm/vpp.spec b/build-root/rpm/vpp.spec
index 0620234d0a5..5db0c4bd7c1 100644
--- a/build-root/rpm/vpp.spec
+++ b/build-root/rpm/vpp.spec
@@ -98,7 +98,12 @@ mkdir -p -m755 %{buildroot}%{_bindir}
 mkdir -p -m755 %{buildroot}%{_unitdir}
 install -p -m 755 %{_mu_build_dir}/%{_vpp_install_dir}/*/bin/* %{buildroot}%{_bindir}
 install -p -m 755 %{_mu_build_dir}/%{_vpp_build_dir}/vppapigen/vppapigen %{buildroot}%{_bindir}
-install -p -m 755 %{_mu_build_dir}/../vppapigen/pyvppapigen.py %{buildroot}%{_bindir}
+
+# core api
+mkdir -p -m755 %{buildroot}/usr/share/vpp/api
+install -p -m 755 %{_mu_build_dir}/%{_vpp_install_dir}/vpp/vpp-api/vpe.api.json %{buildroot}/usr/share/vpp/api
+install -p -m 755 %{_mu_build_dir}/%{_vpp_install_dir}/vlib-api/vlibmemory/memclnt.api.json %{buildroot}/usr/share/vpp/api
+
 #
 # configs
 #
@@ -123,6 +128,10 @@ do
 	( cd %{buildroot}%{_libdir} && 
           ln -fs $file $(echo $file | sed -e 's/\(\.so\)\.[0-9]\+.*/\1/') )
 done
+for file in $(find %{_mu_build_dir}/%{_vpp_install_dir}/vnet -type f -name '*.api.json' -print )
+do
+	install -p -m 644 $file %{buildroot}/usr/share/vpp/api
+done
 
 # Python bindings
 mkdir -p -m755 %{buildroot}%{python2_sitelib}/vpp_papi
@@ -178,6 +187,11 @@ do
            %{buildroot}/usr/lib/vpp_api_test_plugins/$file
 done
 
+for file in $(find %{_mu_build_dir}/%{_vpp_install_dir}/plugins -type f -name '*.api.json' -print )
+do
+	install -p -m 644 $file %{buildroot}/usr/share/vpp/api
+done
+
 %post
 sysctl --system
 %systemd_post vpp.service
@@ -214,12 +228,14 @@ fi
 /usr/bin/elftool
 %config /etc/sysctl.d/80-vpp.conf
 %config /etc/vpp/startup.conf
+/usr/share/vpp/api/*
 
 %files lib
 %defattr(-,bin,bin)
 %exclude %{_libdir}/vpp_plugins
 %exclude %{_libdir}/vpp_api_test_plugins
 %{_libdir}/*
+/usr/share/vpp/api/*
 
 %files python-api
 %defattr(644,root,root)
@@ -229,7 +245,6 @@ fi
 %defattr(-,bin,bin)
 /usr/bin/vppapigen
 /usr/bin/jvpp_gen.py
-/usr/bin/pyvppapigen.py
 %{_includedir}/*
 %{python2_sitelib}/jvppgen/*
 /usr/share/doc/vpp/examples/sample-plugin
@@ -238,3 +253,4 @@ fi
 %defattr(-,bin,bin)
 /usr/lib/vpp_plugins/*
 /usr/lib/vpp_api_test_plugins/*
+/usr/share/vpp/api/*
diff --git a/build-root/scripts/find-api-core-contents b/build-root/scripts/find-api-core-contents
new file mode 100755
index 00000000000..f1f96f1f12a
--- /dev/null
+++ b/build-root/scripts/find-api-core-contents
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+for i in $(find ${1}/vpp -name *.api.json -type f -print); do
+    echo ../${i} /usr/share/vpp/api/ >> ${2}
+done
+for i in $(find ${1}/vlib-api -name *.api.json -type f -print); do
+    echo ../${i} /usr/share/vpp/api/ >> ${2}
+done
+
diff --git a/build-root/scripts/find-api-lib-contents b/build-root/scripts/find-api-lib-contents
new file mode 100755
index 00000000000..562db7b8446
--- /dev/null
+++ b/build-root/scripts/find-api-lib-contents
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+for i in $(find ${1}/vnet -name *.api.json -type f -print); do
+    echo ../${i} /usr/share/vpp/api/ >> ${2}
+done
+
diff --git a/build-root/scripts/find-plugins-contents b/build-root/scripts/find-plugins-contents
index 8d1a4d5ae29..a5a52acf337 100755
--- a/build-root/scripts/find-plugins-contents
+++ b/build-root/scripts/find-plugins-contents
@@ -9,3 +9,7 @@ done
 for i in ${1}/plugins/lib64/vpp_api_test_plugins/*.so; do
 	echo ../${i} /usr/lib/vpp_api_test_plugins >> ${2}
 done
+
+for i in $(find ${1}/plugins -name *.api.json -type f -print); do
+    echo ../${i} /usr/share/vpp/api/ >> ${2}
+done
diff --git a/plugins/flowperpkt-plugin/Makefile.am b/plugins/flowperpkt-plugin/Makefile.am
index fe0d8b27c7b..1df758ed6f4 100644
--- a/plugins/flowperpkt-plugin/Makefile.am
+++ b/plugins/flowperpkt-plugin/Makefile.am
@@ -28,15 +28,26 @@ flowperpkt_plugin_la_SOURCES = flowperpkt/flowperpkt.c  \
 	flowperpkt/flowperpkt_plugin.api.h
 flowperpkt_plugin_la_LDFLAGS = -module
 
-BUILT_SOURCES = flowperpkt/flowperpkt.api.h
+BUILT_SOURCES =					\
+	flowperpkt/flowperpkt.api.h		\
+	flowperpkt/flowperpkt.api.json
 
-SUFFIXES = .api.h .api
+SUFFIXES = .api.h .api .api.json
 
 %.api.h: %.api
 	mkdir -p `dirname $@` ; \
 	$(CC) $(CPPFLAGS) -E -P -C -x c $^ \
 	| vppapigen --input - --output $@ --show-name $@
 
+%.api.json: %.api
+	@echo "  JSON APIGEN  " $@ ;				\
+	mkdir -p `dirname $@` ;					\
+	$(CC) $(CPPFLAGS) -E -P -C -x c $^			\
+	| vppapigen --input - --json $@
+
+apidir = $(prefix)/flowperpkt/
+api_DATA = flowperpkt/flowperpkt.api.json
+
 noinst_HEADERS =			\
   flowperpkt/flowperpkt_all_api_h.h			\
   flowperpkt/flowperpkt_msg_enum.h			\
diff --git a/plugins/ioam-plugin/Makefile.am b/plugins/ioam-plugin/Makefile.am
index c66c6cd5e7a..a9ed4ab46fa 100644
--- a/plugins/ioam-plugin/Makefile.am
+++ b/plugins/ioam-plugin/Makefile.am
@@ -28,7 +28,8 @@ ioam_pot_plugin_la_SOURCES =			\
 	ioam/lib-pot/pot_api.c
 
 BUILT_SOURCES =					\
-	ioam/lib-pot/pot.api.h ioam/lib-pot/pot.py
+	ioam/lib-pot/pot.api.h			\
+	ioam/lib-pot/pot.api.json
 
 SUFFIXES = .api.h .api
 
@@ -37,14 +38,17 @@ SUFFIXES = .api.h .api
 	$(CC) $(CPPFLAGS) -E -P -C -x c $^ \
 	| vppapigen --input - --output $@ --show-name $@
 
-%.py: %.api
-	$(info Creating Python binding for $@)
-	$(CC) $(CPPFLAGS) -E -P -C -x c $<				\
-	| vppapigen --input - --python -				\
-	| pyvppapigen.py --input - > $@
+%.api.json: %.api
+	@echo "  JSON APIGEN  " $@ ;				\
+	mkdir -p `dirname $@` ;					\
+	$(CC) $(CPPFLAGS) -E -P -C -x c $^			\
+	| vppapigen --input - --json $@
 
-pyapidir = ${prefix}/vpp_papi_plugins
-pyapi_DATA = ioam/lib-pot/pot.py
+apidir = $(prefix)/ioam/
+api_DATA =					\
+	ioam/lib-pot/pot.api.json		\
+	ioam/lib-trace/trace.api.json		\
+	ioam/export/ioam_export.api.json
 
 noinst_HEADERS =				\
   ioam/lib-pot/pot_all_api_h.h			\
@@ -73,7 +77,9 @@ ioam/export/node.c                \
 ioam/export/ioam_export.api.h     \
 ioam/export/ioam_export_thread.c
 
-BUILT_SOURCES += ioam/export/ioam_export.api.h
+BUILT_SOURCES +=				\
+	ioam/export/ioam_export.api.h		\
+	ioam/export/ioam_export.api.json
 
 noinst_HEADERS +=                       \
   ioam/export/ioam_export_all_api_h.h   \
@@ -96,10 +102,9 @@ ioam_trace_plugin_la_SOURCES =			\
 	ioam/lib-trace/trace_util.h			\
 	ioam/lib-trace/trace_api.c
 
-BUILT_SOURCES +=					\
-	ioam/lib-trace/trace.api.h ioam/lib-trace/trace.py
-
-pyapi_DATA += ioam/lib-trace/trace.py
+BUILT_SOURCES +=				\
+	ioam/lib-trace/trace.api.h		\
+	ioam/lib-trace/trace.api.json
 
 noinst_HEADERS +=                       \
   ioam/export/ioam_export_all_api_h.h   \
diff --git a/plugins/lb-plugin/Makefile.am b/plugins/lb-plugin/Makefile.am
index 8d92ff1dfc4..8e36027949e 100644
--- a/plugins/lb-plugin/Makefile.am
+++ b/plugins/lb-plugin/Makefile.am
@@ -24,13 +24,26 @@ vppplugins_LTLIBRARIES = lb_plugin.la
 
 lb_plugin_la_SOURCES = lb/lb.c lb/node.c lb/cli.c lb/util.c lb/refcount.c lb/api.c
 
-SUFFIXES = .api.h .api
+BUILT_SOURCES =					\
+	lb/lb.api.h		\
+	lb/lb.api.json
+
+SUFFIXES = .api.h .api .api.json
 
 %.api.h: %.api
 	mkdir -p `dirname $@` ; \
 	$(CC) $(CPPFLAGS) -E -P -C -x c $^ \
 	| vppapigen --input - --output $@ --show-name $@
 
+%.api.json: %.api
+	@echo "  JSON APIGEN  " $@ ;				\
+	mkdir -p `dirname $@` ;					\
+	$(CC) $(CPPFLAGS) -E -P -C -x c $^			\
+	| vppapigen --input - --json $@
+
+apidir = $(prefix)/lb/
+api_DATA = lb/lb.api.json
+
 noinst_HEADERS = lb/lb.h lb/util.h lb/refcount.h  lb/lbhash.h lb/lb.api.h
 
 lb_test_plugin_la_SOURCES = \
diff --git a/plugins/sample-plugin/Makefile.am b/plugins/sample-plugin/Makefile.am
index 0b213791c1a..e221f8c1aa9 100644
--- a/plugins/sample-plugin/Makefile.am
+++ b/plugins/sample-plugin/Makefile.am
@@ -25,7 +25,7 @@ vppplugins_LTLIBRARIES = sample_plugin.la
 sample_plugin_la_SOURCES = sample/sample.c sample/node.c \
 	sample/sample_plugin.api.h
 
-BUILT_SOURCES = sample/sample.api.h
+BUILT_SOURCES = sample/sample.api.h sample/sample.api.json
 
 SUFFIXES = .api.h .api
 
@@ -34,6 +34,15 @@ SUFFIXES = .api.h .api
 	$(CC) $(CPPFLAGS) -E -P -C -x c $^ \
 	| vppapigen --input - --output $@ --show-name $@
 
+%.api.json: %.api
+	@echo "  JSON APIGEN  " $@ ;				\
+	mkdir -p `dirname $@` ;					\
+	$(CC) $(CPPFLAGS) -E -P -C -x c $^			\
+	| vppapigen --input - --json $@
+
+apidir = $(prefix)/sample/
+api_DATA = sample.api.json
+
 noinst_HEADERS =				\
   sample/sample_all_api_h.h			\
   sample/sample_msg_enum.h			\
diff --git a/plugins/snat-plugin/Makefile.am b/plugins/snat-plugin/Makefile.am
index cdf7e3569c5..f10ba25e097 100644
--- a/plugins/snat-plugin/Makefile.am
+++ b/plugins/snat-plugin/Makefile.am
@@ -28,7 +28,7 @@ snat_plugin_la_SOURCES = snat/snat.c		\
         snat/out2in.c				\
 	snat/snat_plugin.api.h
 
-BUILT_SOURCES = snat/snat.api.h snat/snat.py
+BUILT_SOURCES = snat/snat.api.h snat/snat.api.json
 
 SUFFIXES = .api.h .api
 
@@ -37,14 +37,14 @@ SUFFIXES = .api.h .api
 	$(CC) $(CPPFLAGS) -E -P -C -x c $^ \
 	| vppapigen --input - --output $@ --show-name $@
 
-%.py: %.api
-	$(info Creating Python binding for $@)
-	$(CC) $(CPPFLAGS) -E -P -C -x c $<                              \
-	| vppapigen --input - --python -                                \
-	| pyvppapigen.py --input - > $@
+%.api.json: %.api
+	@echo "  JSON APIGEN  " $@ ;				\
+	mkdir -p `dirname $@` ;					\
+	$(CC) $(CPPFLAGS) -E -P -C -x c $^			\
+	| vppapigen --input - --json $@
 
-pyapidir = ${prefix}/vpp_papi_plugins
-pyapi_DATA = snat/snat.py
+apidir = $(prefix)/snat/
+api_DATA = snat.api.json
 
 noinst_HEADERS =			\
   snat/snat_all_api_h.h			\
@@ -60,7 +60,7 @@ install-data-hook:
 	@(cd $(vppapitestpluginsdir) && $(RM) $(vppapitestplugins_LTLIBRARIES))
 
 apidir = $(prefix)/snat
-api_DATA = snat/snat.api
+api_DATA = snat/snat.api.json
 
 #
 # Java code generation
diff --git a/vlib-api/Makefile.am b/vlib-api/Makefile.am
index 087d56eec3a..d9f4a27b762 100644
--- a/vlib-api/Makefile.am
+++ b/vlib-api/Makefile.am
@@ -67,9 +67,12 @@ nobase_include_HEADERS +=			\
 	vlibsocket/vl_socket_msg_enum.h		\
 	vlibsocket/sockclnt.api.h
 
-BUILT_SOURCES = vlibsocket/sockclnt.api.h vlibmemory/memclnt.api.h 
+BUILT_SOURCES =					\
+	vlibsocket/sockclnt.api.h		\
+	vlibmemory/memclnt.api.h		\
+	vlibmemory/memclnt.api.json
 
-SUFFIXES = .api.h .api
+SUFFIXES = .api.h .api .api.json
 
 # The actual %.api.h rule is in .../build-data/packages/suffix-rules.mk
 # and requires a symbolic link at the top of the vnet source tree
@@ -78,4 +81,4 @@ include $(top_srcdir)/suffix-rules.mk
 
 # install the API definition, so we can produce java bindings, etc.
 apidir = $(prefix)/vlibmemory
-api_DATA = vlibmemory/memclnt.api
+api_DATA = vlibmemory/memclnt.api.json
diff --git a/vnet/Makefile.am b/vnet/Makefile.am
index a9481d11dc2..0ba07bac5bd 100644
--- a/vnet/Makefile.am
+++ b/vnet/Makefile.am
@@ -15,7 +15,7 @@ AUTOMAKE_OPTIONS = foreign subdir-objects
 
 AM_CFLAGS = -Wall -Werror @DPDK@ @DPDK_CRYPTO@ @IPSEC@ @IPV6SR@
 
-BUILT_SOURCES = vnet/interface.api.h
+BUILT_SOURCES = vnet/interface.api.h vnet/interface.api.json
 
 libvnet_la_SOURCES =
 libvnetplugin_la_SOURCES =
@@ -884,12 +884,12 @@ pcap2pg_LDADD = libvnet.la -l:libvppinfra.a -lpthread -lm -ldl
 noinst_PROGRAMS += pcap2pg
 
 # Set the suffix list
-SUFFIXES = .api.h .api
+SUFFIXES = .api.h .api .api.json
 
 # install the API definition, so we can produce java bindings, etc.
 
-apidir = $(prefix)/vpp-api
-api_DATA = vnet/interface.api
+apidir = $(prefix)/vnet
+api_DATA = vnet/interface.api.json
 
 # The actual %.api.h rule is in .../build-data/packages/suffix-rules.mk
 # and requires a symbolic link at the top of the vnet source tree
diff --git a/vpp-api/Makefile.am b/vpp-api/Makefile.am
index 310bd2321eb..1812b63765c 100644
--- a/vpp-api/Makefile.am
+++ b/vpp-api/Makefile.am
@@ -1,17 +1,2 @@
 AUTOMAKE_OPTIONS = foreign
 SUBDIRS = python java
-
-api_json_dir = $(abs_builddir)/vpp-api
-api_srcs:=$(shell find $(prefix)/../ -name '*.api')
-api_json:=$(patsubst %.api,$(api_json_dir)/%.api.json,$(notdir $(api_srcs)))
-
-define define_compile_rules
-$(api_json_dir)/%.api.json: $(1)%.api
-	@echo " + Generating '$$<'"
-	@mkdir -p $$(@D)
-	$(CC) $$(CPPFLAGS) -E -P -C -x c $$< | vppapigen --input - --json $$@
-endef
-
-$(foreach directory,$(dir $(api_srcs)),$(eval $(call define_compile_rules,$(directory))))
-
-BUILT_SOURCES = $(api_json)
diff --git a/vpp-api/java/Makefile.am b/vpp-api/java/Makefile.am
index af4c3f31923..f2f5fbe5b2a 100644
--- a/vpp-api/java/Makefile.am
+++ b/vpp-api/java/Makefile.am
@@ -83,14 +83,14 @@ packagedir_jvpp_core = io/fd/vpp/jvpp/core
 
 BUILT_SOURCES += jvpp-core/io_fd_vpp_jvpp_core_JVppCoreImpl.h
 
-jvpp-core/io_fd_vpp_jvpp_core_JVppCoreImpl.h: jvpp-registry/io_fd_vpp_jvpp_VppJNIConnection.h $(abs_builddir)/../vpp-api/vpe.api.json
+jvpp-core/io_fd_vpp_jvpp_core_JVppCoreImpl.h: jvpp-registry/io_fd_vpp_jvpp_VppJNIConnection.h $(prefix)/../vpp/vpp-api/vpe.api.json
 	cp -rf @srcdir@/jvpp-core/* -t jvpp-core/
 	mkdir -p jvpp-core/target
 	cd jvpp-core \
 		&& mkdir -p types dto future callfacade callback notification \
 		&& @srcdir@/jvpp/gen/jvpp_gen.py  --plugin_name core \
-		    -i $(abs_builddir)/../vpp-api/vpe.api.json \
-		    $(abs_builddir)/../vpp-api/interface.api.json \
+		    -i $(prefix)/../vpp/vpp-api/vpe.api.json \
+		    $(prefix)/../vnet/vnet/interface.api.json \
 		&& cp -rf types dto future callfacade callback notification *.java -t $(packagedir_jvpp_core) \
 		&& rm -rf types dto future callfacade callback notification *.java
 
diff --git a/vpp-api/python/Makefile.am b/vpp-api/python/Makefile.am
index d2c3fb5dd4e..2a578464d0f 100644
--- a/vpp-api/python/Makefile.am
+++ b/vpp-api/python/Makefile.am
@@ -32,23 +32,8 @@ libpneum_la_LIBADD = -lvlibmemoryclient -lvlibapi -lsvm -lvppinfra -lpthread \
 libpneum_la_LDFLAGS = -module
 libpneum_la_CPPFLAGS =
 
-#
-# Core VPP API
-#
-$(srcdir)/vpp_papi/vpe.py: $(prefix)/../vpp/vpp-api/vpe.api
-	$(info Creating Python binding for $@)
-	$(CC) $(CPPFLAGS) -E -P -C -x c $<	\
-	| vppapigen --input - --python -	\
-	| pyvppapigen.py --input - > $(srcdir)/vpp_papi/$(notdir $@)
-
-$(srcdir)/vpp_papi/memclnt.py: $(prefix)/../vlib-api/vlibmemory/memclnt.api
-	$(info Creating Python binding for $@)
-	$(CC) $(CPPFLAGS) -E -P -C -x c $<	\
-	| vppapigen --input - --python -	\
-	| pyvppapigen.py --input - > $(srcdir)/vpp_papi/$(notdir $@)
-
 # TODO: Support both Python 2 and 3.
-install-exec-local: $(srcdir)/vpp_papi/vpe.py $(srcdir)/vpp_papi/memclnt.py
+install-exec-local:
 	cd $(srcdir);							\
 	mkdir -p $(prefix)/lib/python2.7/site-packages; 		\
 	PYTHONUSERBASE=$(prefix)					\
diff --git a/vpp/Makefile.am b/vpp/Makefile.am
index 1c40ed3d57e..9ae06055172 100644
--- a/vpp/Makefile.am
+++ b/vpp/Makefile.am
@@ -46,9 +46,9 @@ nobase_include_HEADERS =			\
 # install the API definition, so we can produce java bindings, etc.
 
 apidir = $(prefix)/vpp-api
-api_DATA = vpp-api/vpe.api
+api_DATA = vpp-api/vpe.api.json
 
-BUILT_SOURCES += vpp-api/vpe.api.h app/version.h
+BUILT_SOURCES += vpp-api/vpe.api.h app/version.h vpp-api/vpe.api.json
 
 app/version.o:	app/version.h
 
@@ -122,7 +122,7 @@ if WITH_IPV6SR
 endif
 
 # Set the suffix list
-SUFFIXES = .api.h .api
+SUFFIXES = .api.h .api .api.json
 
 # The actual %.api.h rule is in .../build-data/packages/suffix-rules.mk
 # and requires a symbolic link at the top of the vpp source tree
diff --git a/vppapigen/Makefile.am b/vppapigen/Makefile.am
index 066e1c30d27..16a4873696c 100644
--- a/vppapigen/Makefile.am
+++ b/vppapigen/Makefile.am
@@ -14,7 +14,7 @@
 AUTOMAKE_OPTIONS = foreign
 
 bin_PROGRAMS = vppapigen
-bin_SCRIPTS =  pyvppapigen.py
+bin_SCRIPTS =
 
 BUILT_SOURCES = gram.h
 
diff --git a/vppapigen/pyvppapigen.py b/vppapigen/pyvppapigen.py
deleted file mode 100755
index ea669517c3e..00000000000
--- a/vppapigen/pyvppapigen.py
+++ /dev/null
@@ -1,291 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright (c) 2016 Cisco and/or its affiliates.
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at:
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-from __future__ import print_function
-import argparse, sys, os, importlib, pprint
-
-parser = argparse.ArgumentParser(description='VPP Python API generator')
-parser.add_argument('-i', '--input', action="store", dest="inputfile", type=argparse.FileType('r'))
-parser.add_argument('-c', '--cfile', action="store")
-args = parser.parse_args()
-
-#
-# Read API definitions file into vppapidefs
-#
-exec(args.inputfile.read())
-
-# https://docs.python.org/3/library/struct.html
-format_struct = {'u8': 'B',
-                 'u16' : 'H',
-                 'u32' : 'I',
-                 'i32' : 'i',
-                 'u64' : 'Q',
-                 'f64' : 'd',
-                 'vl_api_fib_path_t' : 'IIBBBBBBBBBBBBBBBBBBBBB',
-                 'vl_api_ip4_fib_counter_t' : 'IBQQ',
-                 'vl_api_ip6_fib_counter_t' : 'QQBQQ',
-                 'vl_api_lisp_adjacency_t' : 'B' * 35
-                 };
-#
-# NB: If new types are introduced in vpe.api, these must be updated.
-#
-type_size = {'u8':   1,
-             'u16' : 2,
-             'u32' : 4,
-             'i32' : 4,
-             'u64' : 8,
-             'f64' : 8,
-             'vl_api_fib_path_t' : 29,
-             'vl_api_ip4_fib_counter_t' : 21,
-             'vl_api_ip6_fib_counter_t' : 33,
-             'vl_api_lisp_adjacency_t' : 35
-};
-
-def eprint(*args, **kwargs):
-    print(*args, file=sys.stderr, **kwargs)
-
-def get_args(t):
-    argslist = []
-    for i in t:
-        if i[1][0] == '_':
-            argslist.append(i[1][1:])
-        else:
-            argslist.append(i[1])
-
-    return argslist
-
-def get_pack(f):
-    zeroarray = False
-    bytecount = 0
-    pack = ''
-    elements = 1
-    if len(f) is 3 or len(f) is 4:
-        size = type_size[f[0]]
-        bytecount += size * int(f[2])
-        # Check if we have a zero length array
-        if f[2] == '0':
-            # If len 3 zero array
-            elements = 0;
-            pack += format_struct[f[0]]
-            bytecount = size
-        elif size == 1:
-            n = f[2] * size
-            pack += str(n) + 's'
-        else:
-            pack += format_struct[f[0]] * int(f[2])
-            elements = int(f[2])
-    else:
-        bytecount += type_size[f[0]]
-        pack += format_struct[f[0]]
-    return (pack, elements, bytecount)
-
-
-'''
-def get_reply_func(f):
-    if f['name']+'_reply' in func_name:
-        return func_name[f['name']+'_reply']
-    if f['name'].find('_dump') > 0:
-        r = f['name'].replace('_dump','_details')
-        if r in func_name:
-            return func_name[r]
-    return None
-'''
-
-def footer_print():
-    print('''
-def msg_id_base_set(b):
-    global base
-    base = b
-
-import os
-name = os.path.splitext(os.path.basename(__file__))[0]
-    ''')
-    print(u"plugin_register(name, api_func_table, api_name_to_id,", vl_api_version, ", msg_id_base_set)")
-
-def api_table_print(name, i):
-    msg_id_in = 'VL_API_' + name.upper()
-    fstr = name + '_decode'
-    print('api_func_table.append(' + fstr + ')')
-    print('api_name_to_id["' + msg_id_in + '"] =', i)
-    print('')
-
-
-def encode_print(name, id, t):
-    args = get_args(t)
-
-    if name.find('_dump') > 0:
-        multipart = True
-    else:
-        multipart = False
-
-    if len(args) < 4:
-        print(u"def", name + "(async = False):")
-    else:
-        print(u"def", name + "(" + ', '.join(args[3:]) + ", async = False):")
-    print(u"    global base")
-    print(u"    context = get_context(base + " + id + ")")
-
-    print('''
-    results_prepare(context)
-    waiting_for_reply_set()
-    ''')
-    if multipart == True:
-        print(u"    results_more_set(context)")
-
-    t = list(t)
-
-    # only the last field can be a variable-length-array
-    # it can either be 0, or a string
-    # first, deal with all the other fields
-    pack = '>' + ''.join([get_pack(f)[0] for f in t[:-1]])
-
-    # named variable-length-array
-    if len(t[-1]) == 4 and t[-1][2] == '0' and t[-1][3] == t[-2][1]:
-        print(u"    vpp_api.write(pack('" + pack + "', base + "
-              + id + ", 0, context, " + ', '.join(args[3:-2] + ["len(" + args[-1] + ")"])
-              + ") + " + args[-1] + ")")
-
-    # unnamed variable-length-array
-    elif len(t[-1]) >= 3 and t[-1][2] == '0':
-        print(u"    vpp_api.write(pack('" + pack + "', base + " +
-              id + ", 0, context, " + ', '.join(args[3:-1]) + ") + "
-              + args[-1] + ")")
-
-
-    # not a variable-length-array
-    else:
-        pack += get_pack(t[-1])[0]
-        print(u"    vpp_api.write(pack('" + pack + "', base + " + id +
-              ", 0, context, " + ', '.join(args[3:]) + "))")
-
-    if multipart == True:
-        print(
-            u"    vpp_api.write(pack('>HII', VL_API_CONTROL_PING, 0, context))")
-
-    print('''
-    if not async:
-        results_event_wait(context, 5)
-        return results_get(context)
-    return context
-    ''')
-
-def get_normal_pack(t, i, pack, offset):
-    while t:
-        f = t.pop(0)
-        i += 1
-        if len(f) >= 3:
-            return t, i, pack, offset, f
-        p, elements, size = get_pack(f)
-        pack += p
-        offset += size
-    return t, i, pack, offset, None
-
-def decode_print(name, t):
-    #
-    # Generate code for each element
-    #
-    print(u'def ' + name + u'_decode(msg):')
-    total = 0
-    args = get_args(t)
-    print(u"    n = namedtuple('" + name + "', '" + ', '.join(args) + "')")
-    print(u"    res = []")
-
-    pack = '>'
-    start = 0
-    end = 0
-    offset = 0
-    t = list(t)
-    i = 0
-    while t:
-        t, i, pack, offset, array = get_normal_pack(t, i, pack, offset)
-        if array:
-            p, elements, size = get_pack(array)
-
-            # Byte string
-            if elements > 0 and type_size[array[0]] == 1:
-                pack += p
-                offset += size * elements
-                continue
-
-            # Dump current pack string
-            if pack != '>':
-                print(u"    tr = unpack_from('" + pack + "', msg[" + str(start) + ":])")
-                print(u"    res.extend(list(tr))")
-                start += offset
-            pack = '>'
-
-            if elements == 0:
-                # This has to be the last element
-                if len(array) == 3:
-                    print(u"    res.append(msg[" + str(offset) + ":])")
-                    if len(t) > 0:
-                        eprint('WARNING: Variable length array must be last element in message', name, array)
-
-                    continue
-                if size == 1 or len(p) == 1:
-                    # Do it as a bytestring.
-                    if p == 'B':
-                        p = 's'
-                    # XXX: Assume that length parameter is the previous field. Add validation.
-                    print(u"    c = res[" + str(i - 2) + "]")
-                    print(u"    tr = unpack_from('>' + str(c) + '" + p + "', msg[" + str(start) + ":])")
-                    print(u"    res.append(tr)")
-                    continue
-                print(u"    tr2 = []")
-                print(u"    offset = " + str(total))
-                print(u"    for j in range(res[" + str(i - 2) + "]):")
-                print(u"        tr2.append(unpack_from('>" + p + "', msg[" + str(start) + ":], offset))")
-                print(u"        offset += " + str(size))
-                print(u"    res.append(tr2)")
-                continue
-
-            # Missing something!!
-            print(u"    tr = unpack_from('>" + p + "', msg[" + str(start) + ":])")
-            start += size
-
-            print(u"    res.append(tr)")
-
-    if pack != '>':
-        print(u"    tr = unpack_from('" + pack + "', msg[" + str(start) + ":])")
-        print(u"    res.extend(list(tr))")
-    print(u"    return n._make(res)")
-    print('')
-
-#
-# Generate the main Python file
-#
-def main():
-    print('''
-#
-# AUTO-GENERATED FILE. PLEASE DO NOT EDIT.
-#
-from vpp_api_base import *
-from struct import *
-from collections import namedtuple
-import vpp_api
-api_func_table = []
-api_name_to_id = {}
-    ''')
-
-    for i, a in enumerate(messages):
-        name = a[0]
-        encode_print(name, str(i), a[1:])
-        decode_print(name, a[1:])
-        api_table_print(name, i)
-    footer_print()
-
-if __name__ == "__main__":
-    main()