fix: write the mms config file to a subdir os base_dir instead of /etc

fix aws#72

src/sagemaker_inference/environment.py

@@ -35,6 +35,7 @@
     model_dir = os.path.join(base_dir, "model")  # type: str
 # str: the directory where models should be saved, e.g., /opt/ml/model/
 
+config_dir = os.path.join(base_dir, "etc")  # type: str
 code_dir = os.path.join(model_dir, "code")  # type: str
 """str: the path of the user's code directory, e.g., /opt/ml/model/code/"""
 

src/sagemaker_inference/model_server.py

@@ -25,11 +25,11 @@
 
 import sagemaker_inference
 from sagemaker_inference import default_handler_service, environment, logging, utils
-from sagemaker_inference.environment import code_dir
+from sagemaker_inference.environment import code_dir, config_dir
 
 logger = logging.get_logger()
 
-MMS_CONFIG_FILE = os.path.join("/etc", "sagemaker-mms.properties")
+MMS_CONFIG_FILE = os.path.join(config_dir, "sagemaker-mms.properties")
 DEFAULT_HANDLER_SERVICE = default_handler_service.__name__
 DEFAULT_MMS_CONFIG_FILE = pkg_resources.resource_filename(
     sagemaker_inference.__name__, "/etc/default-mms.properties"

test/container/dummy/Dockerfile

@@ -42,7 +42,8 @@ RUN mkdir resnet_18 \
 
 COPY dummy/mms-entrypoint.py /usr/local/bin/dockerd-entrypoint.py
 
-RUN mkdir -p /home/model-server/
+RUN mkdir -p /home/model-server/ \
+ && mkdir -p /opt/ml/etc
 COPY dummy/mme_handler_service.py /home/model-server/mme_handler_service.py
 ENV SAGEMAKER_HANDLER="/home/model-server/mme_handler_service.py:handle"
 

test/container/mxnet/Dockerfile

@@ -107,7 +107,9 @@ WORKDIR /
 
 RUN useradd -m model-server \
  && mkdir -p /home/model-server/tmp \
- && chown -R model-server /home/model-server
+ && chown -R model-server /home/model-server \
+ && mkdir -p /opt/ml/etc \
+ && chown -R model-server /opt/ml/etc
 
 COPY mxnet/mms_entrypoint.py /usr/local/bin/dockerd_entrypoint.py
 COPY mxnet/config.properties /home/model-server