[CHERRY-PICK] Make openapi-generator-cli download URL configurable (#23186) (#23222)

Make openapi-generator-cli download URL configurable (#23186)

Signed-off-by: chlins <chlins.zhang@gmail.com>
Co-authored-by: stonezdj(Daojun Zhang) <stonezdj@gmail.com>

Author: chlins

Makefile

@@ -83,6 +83,10 @@ HTTPPROXY=
 BUILDREG=true
 BUILDTRIVYADP=true
 NPM_REGISTRY=https://registry.npmjs.org
+# Override when Maven Central returns 429 (rate limit), e.g. a mirror or cached URL:
+#   make swagger_client OPENAPI_GENERATOR_CLI_URL=https://...
+#   export OPENAPI_GENERATOR_CLI_URL=https://... ; make swagger_client
+OPENAPI_GENERATOR_CLI_URL ?= https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/4.3.1/openapi-generator-cli-4.3.1.jar
 BUILDTARGET=build
 GEN_TLS=
 
@@ -550,7 +554,7 @@ restart: down prepare start
 
 swagger_client:
 	@echo "Generate swagger client"
-	wget https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/4.3.1/openapi-generator-cli-4.3.1.jar -O openapi-generator-cli.jar
+	wget "$(OPENAPI_GENERATOR_CLI_URL)" -O openapi-generator-cli.jar
 	rm -rf harborclient
 	mkdir  -p harborclient/harbor_v2_swagger_client
 	java -jar openapi-generator-cli.jar generate -i api/v2.0/swagger.yaml -g python -o harborclient/harbor_v2_swagger_client --package-name v2_swagger_client

tests/resources/APITest-Util.robot

@@ -1,10 +1,14 @@
+*** Variables ***
+${OPENAPI_GENERATOR_CLI_URL_DEFAULT}  https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/4.3.1/openapi-generator-cli-4.3.1.jar
+
 *** Keywords ***
 Make Swagger Client
     ${rc}  ${output}=  Run And Return Rc And Output  pip uninstall setuptools -y
     LogAll  ${output}
     ${rc}  ${output}=  Run And Return Rc And Output  pip install -U pip setuptools
     LogAll  ${output}
-    ${rc}  ${output}=  Run And Return Rc And Output  make swagger_client
+    ${openapi_url}=  Get Environment Variable  OPENAPI_GENERATOR_CLI_URL  ${OPENAPI_GENERATOR_CLI_URL_DEFAULT}
+    ${rc}  ${output}=  Run And Return Rc And Output  OPENAPI_GENERATOR_CLI_URL=${openapi_url} make swagger_client
     LogAll  ${output}
     [Return]  ${rc}
 
@@ -24,4 +28,4 @@ Harbor API Test
     ${rc}  ${output}=  Run And Return Rc And Output  SWAGGER_CLIENT_PATH=${current_dir}/harborclient HARBOR_HOST=${ip} DOCKER_USER=${DOCKER_USER} DOCKER_PWD=${DOCKER_PWD} ${param_str} python ${testcase_name}
     ${prev_lvl}  Set Log Level  ${prev_lvl}
     Log  ${output}
-    Should Be Equal As Integers  ${rc}  0
+    Should Be Equal As Integers  ${rc}  0