fix bug

Author: rashmichandrashekar

kubernetes/linux/setup.sh

@@ -41,9 +41,14 @@ gem uninstall net-imap --force
 # remove rexml gem as it has a known CVE (CVE-2025-58767) and is not used by the agent
 gem uninstall rexml --force
 
-curl -L -o /tmp/azure-mdsd.rpm "https://github.com/microsoft/Docker-Provider/releases/download/mdsd-oom-kill-fix/azure-mdsd-1.42.0-pr.11279377.merge.6628.x86_64.rpm"
-sudo tdnf install -y /tmp/azure-mdsd.rpm
-rm -f /tmp/azure-mdsd.rpm
+# Only the x86_64 OOM-fix RPM is published in the GitHub release; arm64 falls back to the repo package.
+if [ "$ARCH" == "arm64" ]; then
+    sudo tdnf install -y azure-mdsd-1.40.3
+else
+    curl -L -o /tmp/azure-mdsd.rpm "https://github.com/microsoft/Docker-Provider/releases/download/mdsd-oom-kill-fix/azure-mdsd-1.42.0-pr.11279377.merge.6628.x86_64.rpm"
+    sudo tdnf install -y /tmp/azure-mdsd.rpm
+    rm -f /tmp/azure-mdsd.rpm
+fi
 cp -f $TMPDIR/mdsd.xml /etc/mdsd.d
 cp -f $TMPDIR/envmdsd /etc/mdsd.d
 rm /usr/sbin/telegraf