adding script java crd (#162)

openapi/java-crd-cmd.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash 
+
+PACKAGE_NAME=${PACKAGE_NAME:-io.kubernetes.client}
+CLIENT_VERSION=${CLIENT_VERSION:-5.0-SNAPSHOT}
+OUTPUT_DIR=${OUTPUT_DIR:-java}
+OPENAPI_MODEL_LENGTH=${OPENAPI_MODEL_LENGTH:-}
+KUBERNETES_CRD_GROUP_PREFIX=
+
+print_usage() {
+  echo "Usage: generate a java project using input openapi spec from stdin" >& 2
+  echo " -c: project version of the generated java project." >& 2
+  echo " -n: the prefix of the target CRD's api group to generate." >& 2
+  echo " -p: the base package name of the generated java project. " >& 2
+  echo " -o: output directory of the generated java project. " >& 2
+  echo " -l: keep the n last segments for the generated class name. " >& 2
+}
+
+while getopts 'c:n:l:p:o:' flag; do
+  case "${flag}" in
+    c) CLIENT_VERSION="${CLIENT_VERSION}" ;;
+    n) KUBERNETES_CRD_GROUP_PREFIX="${OPTARG}" ;;
+    l) OPENAPI_MODEL_LENGTH="${OPTARG}" ;;
+    p) PACKAGE_NAME="${OPTARG}" ;;
+    o) OUTPUT_DIR="${OPTARG}" ;;
+    *) print_usage
+       exit 1 ;;
+  esac
+done
+
+echo "KUBERNETES_CRD_GROUP_PREFIX: $KUBERNETES_CRD_GROUP_PREFIX" >& 2
+echo "OPENAPI_MODEL_LENGTH: $OPENAPI_MODEL_LENGTH" >& 2
+echo "PACKAGE_NAME: $PACKAGE_NAME" >& 2
+echo "CLIENT_VERSION: $CLIENT_VERSION" >& 2
+echo "OUTPUT_DIR: $OUTPUT_DIR" >& 2
+echo "" >& 2 # empty line
+
+
+mkdir -p "${OUTPUT_DIR}"
+
+echo 'rendering settings file to /tmp/settings' >& 2
+read -d '' settings << EOF
+export KUBERNETES_BRANCH="${KUBERNETES_BRANCH}"
+
+export CLIENT_VERSION="${CLIENT_VERSION}"
+
+export PACKAGE_NAME="${PACKAGE_NAME}"
+EOF
+
+echo ${settings} > /tmp/settings
+
+echo 'reading input openapi specs' >& 2
+cat > ${OUTPUT_DIR}/swagger.json.unprocessed
+
+
+source "/tmp/settings"
+
+KUBERNETES_CRD_MODE=true \
+OPENAPI_SKIP_FETCH_SPEC=true \
+OPENAPI_MODEL_LENGTH=${OPENAPI_MODEL_LENGTH} \
+KUBERNETES_CRD_GROUP_PREFIX=${KUBERNETES_CRD_GROUP_PREFIX} \
+$(pwd)/java.sh ${OUTPUT_DIR} /tmp/settings