Support nacos discovery (#108)

client/Makefile

@@ -0,0 +1,91 @@
+# Copyright Istio Authors
+#
+# 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.
+# Modified by Higress
+
+########################
+# kubernetes code generators
+########################
+kubetype_gen = kubetype-gen
+deepcopy_gen = deepcopy-gen
+client_gen = client-gen
+lister_gen = lister-gen
+informer_gen = informer-gen
+
+empty:=
+space := $(empty) $(empty)
+comma := ,
+
+# source packages to scan for kubetype-gen tags
+kube_source_packages = $(subst $(space),$(empty), \
+	github.com/alibaba/higress/api/networking/v1 \
+	)
+
+# base output package for generated files
+kube_base_output_package = github.com/alibaba/higress/client/pkg
+# base output package for kubernetes types, register, etc...
+kube_api_base_package = $(kube_base_output_package)/apis
+# source packages to scan for kubernetes generator tags, e.g. deepcopy-gen, client-gen, etc.
+# these should correspond to the output packages from kubetype-gen
+kube_api_packages = $(subst $(space),$(empty), \
+	$(kube_api_base_package)/networking/v1 \
+	)
+# base output package used by kubernetes client-gen
+kube_clientset_package = $(kube_base_output_package)/clientset
+# clientset name used by kubernetes client-gen
+kube_clientset_name = versioned
+# base output package used by kubernetes lister-gen
+kube_listers_package = $(kube_base_output_package)/listers
+# base output package used by kubernetes informer-gen
+kube_informers_package = $(kube_base_output_package)/informers
+
+# file header text
+kube_go_header_text = header.go.txt
+
+ifeq ($(IN_BUILD_CONTAINER),1)
+	# k8s code generators rely on GOPATH, using $GOPATH/src as the base package
+	# directory.  Using --output-base . does not work, as that ends up generating
+	# code into ./<package>, e.g. ./istio.io/client-go/pkg/apis/...  To work
+	# around this, we'll just let k8s generate the code where it wants and copy
+	# back to where it should have been generated.
+	move_generated=cp -r $(GOPATH)/src/$(kube_base_output_package)/ . && rm -rf $(GOPATH)/src/$(kube_base_output_package)/
+else
+	# nothing special for local builds
+	move_generated=
+endif
+
+rename_generated_files=\
+	find $(subst github.com/alibaba/higress/client/, $(empty), $(subst $(comma), $(space), $(kube_api_packages)) $(kube_clientset_package) $(kube_listers_package) $(kube_informers_package)) \
+	-name '*.go' -and -not -name 'doc.go' -and -not -name '*.gen.go' -type f -exec sh -c 'mv "$$1" "$${1%.go}".gen.go' - '{}' \;
+
+.PHONY: generate-k8s-client
+generate-k8s-client:
+	# generate kube api type wrappers for higress types
+	@$(kubetype_gen) --input-dirs $(kube_source_packages) --output-package $(kube_api_base_package) -h $(kube_go_header_text)
+	@$(move_generated)
+	# generate deepcopy for kube api types
+	@$(deepcopy_gen) --input-dirs $(kube_api_packages) -O zz_generated.deepcopy  -h $(kube_go_header_text)
+	# generate clientsets for kube api types
+	@$(client_gen) --clientset-name $(kube_clientset_name) --input-base "" --input  $(kube_api_packages) --output-package $(kube_clientset_package) -h $(kube_go_header_text)
+	# generate listers for kube api types
+	@$(lister_gen) --input-dirs $(kube_api_packages) --output-package $(kube_listers_package) -h $(kube_go_header_text)
+	# generate informers for kube api types
+	@$(informer_gen) --input-dirs $(kube_api_packages) --versioned-clientset-package $(kube_clientset_package)/$(kube_clientset_name) --listers-package $(kube_listers_package) --output-package $(kube_informers_package) -h $(kube_go_header_text)
+	@$(move_generated)
+	@$(rename_generated_files)
+
+
+.PHONY: clean-k8s-client
+clean-k8s-client:
+    # remove generated code
+	@rm -rf pkg/