Uses atomic operation for writing config file (#430)

k8snetworkplumbingwg · Jan 17, 2020 · c534b7d · c534b7d
1 parent c35c4b7
commit c534b7d
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/images/entrypoint.sh b/images/entrypoint.sh
@@ -331,7 +331,9 @@ if [ "$MULTUS_CONF_FILE" == "auto" ]; then
         }
 EOF
       )
-      echo $CONF > $CNI_CONF_DIR/00-multus.conf
+      tmpfile=$(mktemp)
+      echo $CONF > $tmpfile
+      mv $tmpfile $CNI_CONF_DIR/00-multus.conf
       log "Config file created @ $CNI_CONF_DIR/00-multus.conf"
       echo $CONF