From b717193714347c68272b702f5f405f54ce2555f9 Mon Sep 17 00:00:00 2001
From: Aaron Pham <29749331+aarnphm@users.noreply.github.com>
Date: Mon, 5 Dec 2022 09:13:24 -0800
Subject: [PATCH] fix: parsing path for env

Signed-off-by: Aaron Pham <29749331+aarnphm@users.noreply.github.com>
---
 src/bentoml/_internal/bento/build_config.py | 25 ++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/src/bentoml/_internal/bento/build_config.py b/src/bentoml/_internal/bento/build_config.py
index 6b372d0b95f..3536d93f6fa 100644
--- a/src/bentoml/_internal/bento/build_config.py
+++ b/src/bentoml/_internal/bento/build_config.py
@@ -26,6 +26,7 @@
 from ...exceptions import BentoMLException
 from ..utils.dotenv import parse_dotenv
 from ..configuration import CLEAN_BENTOML_VERSION
+from ..container.generate import BENTO_PATH
 from .build_dev_bentoml_whl import build_bentoml_editable_wheel
 from ..container.frontend.dockerfile import DistroSpec
 from ..container.frontend.dockerfile import get_supported_spec
@@ -94,6 +95,13 @@ def _convert_cuda_version(
     )
 
 
+# Possible envvar:
+#  - ENV=VALUE
+#  - ENV=/path/to/string
+# TODO: support DOS path
+_ENVVAR_REGEX = re.compile(r"^(\w+)=(?:[\.\w\-,\/]+)$", re.I)
+
+
 def _convert_env(
     env: str | list[str] | dict[str, str] | None
 ) -> dict[str, str] | dict[str, str | None] | None:
@@ -111,12 +119,23 @@ def _convert_env(
     if isinstance(env, list):
         env_dict: dict[str, str | None] = {}
         for envvar in env:
-            match = re.match(r"^(\w+)=([\w\-,]+)$", envvar)
-            if not match:
+            if not _ENVVAR_REGEX.match(envvar):
                 raise BentoMLException(
                     "All value in `env` list must follow format ENV=VALUE"
                 )
-            env_key, env_value = match.groups()
+            env_key, _, env_value = envvar.partition("=")
+            if os.path.isfile(env_value):
+                bento_env_path = BENTO_PATH + os.path.abspath(
+                    os.path.expanduser(os.path.expandvars(env_value))
+                )
+                logger.info(
+                    "'%s' sets to '%s', which is a file. Make sure to mount this file as a persistent volume to the container when using 'run' command: 'docker run -v %s:%s ...'",
+                    env_key,
+                    env_value,
+                    env_value,
+                    bento_env_path,
+                )
+                env_value = bento_env_path
             env_dict[env_key] = env_value
         return env_dict