Use scripts instead of direct commands in java opts

buildpack/core/runtime.py

@@ -68,6 +68,12 @@ def stage(buildpack_dir, build_path, cache_path):
         os.path.join(buildpack_dir, "etc", "m2ee", "m2ee.yaml"),
         os.path.join(build_path, ".local", "m2ee.yaml"),
     )
+    shutil.copytree(
+        os.path.join(buildpack_dir, "etc", "scripts"),
+        os.path.join(build_path, ".local", "scripts"),
+        dirs_exist_ok=True
+    )
+
     resolve_runtime_dependency(buildpack_dir, build_path, cache_path)
 
 
@@ -614,7 +620,7 @@ def _pre_process_m2ee_yaml():
             f"s|BUILD_PATH|{os.getcwd()}|g; "
             f"s|RUNTIME_PORT|{util.get_runtime_port()}|; "
             f"s|ADMIN_PORT|{util.get_admin_port()}|; "
-            f"s|PYTHONPID|{os.getpid()}|",
+            f"s|PYTHONPID|{os.getpid()}|", # TODO Replace in new scripts
             ".local/m2ee.yaml",
         ]
     )

etc/m2ee/m2ee.yaml

@@ -23,9 +23,10 @@ m2ee:
     [
       "-Dfile.encoding=UTF-8",
       "-Djava.io.tmpdir=/tmp",
-      "-XX:OnError=/home/vcap/app/on_error_script.sh",
-      "-XX:OnOutOfMemoryError=/home/vcap/app/on_oom.sh",
+      "-XX:OnError=/home/vcap/app/.local/scripts/on_error.sh",
+      "-XX:OnOutOfMemoryError=/home/vcap/app/.local/scripts/on_out_of_memory_error.sh",
     ]
+  # TODO Replace with BUILD_PATH
 
   jetty:
     max_form_content_size: 10485760

etc/scripts/on_error.sh

@@ -0,0 +1,2 @@
+echo "### THIS IS ON ERROR SCRIPT ###"
+# TODO Write actual signal command

etc/scripts/on_out_of_memory_error.sh

@@ -0,0 +1,2 @@
+echo "### THIS IS ON OOM SCRIPT ###"
+# TODO Write actual signal command