Change SAI spec path from absoluate path relative path (#629)

In the previous implementation, the SAI spec paths are absolute paths,
which is not flexible if DASH is used as a submodule used by the other
project.

Signed-off-by: Ze Gan <ganze718@gmail.com>

dash-pipeline/SAI/Makefile

@@ -4,7 +4,7 @@ all: copysrc
 		/bmv2/dash_pipeline.bmv2/dash_pipeline_p4rt.json \
 		--ir /bmv2/dash_pipeline.bmv2/dash_pipeline_ir.json \
 		--ignore-tables=underlay_mac,eni_meter,slb_decap \
-		--sai-spec-dir=/SAI/specs \
+		--sai-spec-dir=specs \
 		dash
 
 copysrc:

dash-pipeline/SAI/specs/sai_spec.yaml

@@ -485,18 +485,18 @@ port_extenstion: !!python/object:utils.sai_spec.sai_api_extension.SaiApiExtensio
     deprecated: false
     is_vlan: false
 api_groups:
-- !inc '/SAI/specs/dash_acl.yaml'
-- !inc '/SAI/specs/dash_direction_lookup.yaml'
-- !inc '/SAI/specs/dash_eni.yaml'
-- !inc '/SAI/specs/dash_ha.yaml'
-- !inc '/SAI/specs/dash_inbound_routing.yaml'
-- !inc '/SAI/specs/dash_meter.yaml'
-- !inc '/SAI/specs/dash_outbound_ca_to_pa.yaml'
-- !inc '/SAI/specs/dash_vnet.yaml'
-- !inc '/SAI/specs/dash_outbound_routing.yaml'
-- !inc '/SAI/specs/dash_pa_validation.yaml'
-- !inc '/SAI/specs/route.yaml'
-- !inc '/SAI/specs/dash_vip.yaml'
-- !inc '/SAI/specs/dash_tunnel.yaml'
-- !inc '/SAI/specs/dash_flow.yaml'
-- !inc '/SAI/specs/dash_appliance.yaml'
+- !inc 'dash_acl.yaml'
+- !inc 'dash_direction_lookup.yaml'
+- !inc 'dash_eni.yaml'
+- !inc 'dash_ha.yaml'
+- !inc 'dash_inbound_routing.yaml'
+- !inc 'dash_meter.yaml'
+- !inc 'dash_outbound_ca_to_pa.yaml'
+- !inc 'dash_vnet.yaml'
+- !inc 'dash_outbound_routing.yaml'
+- !inc 'dash_pa_validation.yaml'
+- !inc 'route.yaml'
+- !inc 'dash_vip.yaml'
+- !inc 'dash_tunnel.yaml'
+- !inc 'dash_flow.yaml'
+- !inc 'dash_appliance.yaml'

dash-pipeline/SAI/utils/sai_spec/sai_spec.py

@@ -39,7 +39,7 @@ def serialize(self, spec_dir: str):
                 f.write(yaml.dump(api_group, indent=2, sort_keys=False))
 
             yaml_inc_files.append(
-                yaml_include.Data(urlpath=sai_api_group_spec_file_path)
+                yaml_include.Data(urlpath=os.path.relpath(sai_api_group_spec_file_path, spec_dir))
             )
 
         api_groups = self.api_groups