From d15727fa45c8982fa994501c3876743307e74382 Mon Sep 17 00:00:00 2001
From: peng9808 <peng.lai@daocloud.io>
Date: Fri, 26 Apr 2024 10:14:48 +0800
Subject: [PATCH] fix drbd.conf's empty content problem

---
 docker-drbd9/config-drbd.sh | 20 +++++++++++++++-----
 docker-drbd9/entry.sh       |  6 ++++++
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/docker-drbd9/config-drbd.sh b/docker-drbd9/config-drbd.sh
index 64139fb..3e812cc 100755
--- a/docker-drbd9/config-drbd.sh
+++ b/docker-drbd9/config-drbd.sh
@@ -3,11 +3,21 @@
 conf_file="/etc/drbd.conf"
 example_file="/usr/share/doc/drbd.../drbd.conf.example"
 content_to_append="include \"/etc/drbd.d/global_common.conf\";\ninclude \"/etc/drbd.d/*.res\";"
-echo -e "# You can find an example in $example_file\n$content_to_append" > "$conf_file"
-echo "Content successfully written to $conf_file."
+if [ ! -s "$conf_file" ]; then
+    echo -e "# You can find an example in $example_file\n$content_to_append" > "$conf_file"
+    echo "Content successfully written to $conf_file."
+else
+    echo "$conf_file exists and is not empty."
+fi
+
 
 conf_file2="/etc/drbd.d/global_common.conf"
 content_to_write2="global { usage-count no; }"
-mkdir -p "$(dirname "$conf_file2")"
-echo "$content_to_write2" > "$conf_file2"
-echo "Content successfully written to $conf_file2."
+
+if [ ! -s "$conf_file2" ]; then
+    mkdir -p "$(dirname "$conf_file2")"
+    echo "$content_to_write2" > "$conf_file2"
+    echo "Content successfully written to $conf_file2."
+else
+    echo "$conf_file2 exists and is not empty."
+fi
diff --git a/docker-drbd9/entry.sh b/docker-drbd9/entry.sh
index 5355fa1..6489d6c 100644
--- a/docker-drbd9/entry.sh
+++ b/docker-drbd9/entry.sh
@@ -267,6 +267,9 @@ if [ -n "$drbd_rpm" ]; then
         if [ $exit_code -eq 0 ]; then
 	  #Notify shipper that installation is complete
           export DRBD_RMP_INSTALL='yes'
+          cp /config-drbd.sh /pkgs_root/config-drbd.sh
+          nsenter --target 1 --mount --uts --ipc --net --pid chmod +x /root/config-drbd.sh
+          nsenter --target 1 --mount --uts --ipc --net --pid /root/config-drbd.sh
           exit 0
         else
           debug "modprobe err_code: $exit_code"
@@ -296,6 +299,9 @@ else
         exit_code=$?
         if [ $exit_code -eq 0 ]; then
           export DRBD_RMP_INSTALL='yes'
+          cp /config-drbd.sh /pkgs_root/config-drbd.sh
+          nsenter --target 1 --mount --uts --ipc --net --pid chmod +x /root/config-drbd.sh
+          nsenter --target 1 --mount --uts --ipc --net --pid /root/config-drbd.sh
           exit 0
         else
           debug "modprobe err_code: $exit_code"