From 7b1fb8e74c3c7a9fb9c8a846a4442f5e28acdd64 Mon Sep 17 00:00:00 2001
From: jiuyu <guotongyu.gty@alibaba-inc.com>
Date: Tue, 30 Jul 2024 19:05:22 +0800
Subject: [PATCH] Feat:support subpath in juicefs volume dynamic-mount

Signed-off-by: jiuyu <guotongyu.gty@alibaba-inc.com>
---
 addons/dynamic-mount/juicefs/docker/mount.sh | 21 ++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/addons/dynamic-mount/juicefs/docker/mount.sh b/addons/dynamic-mount/juicefs/docker/mount.sh
index 8db1475ed46..993520338d7 100644
--- a/addons/dynamic-mount/juicefs/docker/mount.sh
+++ b/addons/dynamic-mount/juicefs/docker/mount.sh
@@ -7,17 +7,30 @@ if [[ $# -ne 4 ]]; then
     exit 1
 fi
 
-mount_src=$1        # e.g. juicefs://mybucket
+mount_src=$1        # e.g. juicefs://volume-name/subpath
 mount_target=$2     # e.g. /runtime-mnt/thin/default/thin-demo/thin-fuse/mybucket
 fs_type=$3
 mount_opt_file=$4   # e.g. /etc/fluid/mount-opts/mybucket.opts (mount options in json format)
 
-filesystem_name=${mount_src#juicefs://}
+juicefs_volume_path=${mount_src#juicefs://}
+if [[ "$juicefs_volume_path" == *"/"* ]]; then
+    volume_name="${juicefs_volume_path%%/*}"
+    volume_subpath="${juicefs_volume_path#*/}"
+else
+    volume_name=$juicefs_volume_path
+fi
+
 token_file=$(cat ${mount_opt_file} | jq -r '.["token"]')
 access_key_file=$(cat ${mount_opt_file} | jq -r '.["access-key"]')
 secret_key_file=$(cat ${mount_opt_file} | jq -r '.["secret-key"]')
 bucket=$(cat ${mount_opt_file} | jq -r '.["bucket"]')
 
-juicefs auth $filesystem_name --token `cat $token_file` --access-key `cat $access_key_file` --secret-key `cat $secret_key_file` --bucket "$bucket"
+juicefs auth $volume_name --token `cat $token_file` --access-key `cat $access_key_file` --secret-key `cat $secret_key_file` --bucket "$bucket"
 
-exec juicefs mount -f $filesystem_name $mount_target
\ No newline at end of file
+if [[ -z "$volume_subpath" ]]; then
+# e.g. juicefs://volume-name/ || juicefs://volume-name
+    exec juicefs mount -f $volume_name $mount_target
+else
+# e.g. juicefs://volume-name/subpath-1 || juicefs://volume-name/subpath-1/subpath-2/.../
+    exec juicefs mount -f $volume_name $mount_target --subdir="/"$volume_subpath
+fi
\ No newline at end of file