openapi-generator

# Method 1

npm install @openapitools/openapi-generator-cli -g

openapi-generator-cli help

openapi-generator-cli version

openapi-generator-cli generate -g jmeter -i http://localhost:9966/petclinic/v2/api-docs

# Method 2

docker run --rm \
  -v ${PWD}:/local/jmeter openapitools/openapi-generator-cli generate \
  -g jmeter \
  -i https://d491-65-27-240-54.ngrok.io/petclinic/v2/api-docs \
  -o /local/jmeter

# Method 3

docker run -d -p 8888:8080 openapitools/openapi-generator-online

curl -X POST --header 'Content-Type: application/json' \
  --header 'Accept: application/json' \
  -d '{"openAPIUrl": "https://d491-65-27-240-54.ngrok.io/petclinic/v2/api-docs"}' \
  'http://localhost:8888/api/gen/clients/jmeter'
  
wget http://localhost:8888/api/gen/download/c13672b0-c26b-4376-b949-4d7bf328e71b

unzip c13672b0-c26b-4376-b949-4d7bf328e71b

# Method 4

wget https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/6.0.1/openapi-generator-cli-6.0.1.jar