Merge pull request #10263 from paulozulato/feat-eval-ex

feat: add new command for Elixir expression evaluation

bin/emqx

@@ -164,6 +164,9 @@ usage() {
     eval-erl)
         echo "Evaluate an Erlang expression in the EMQX node, even on Elixir node"
         ;;
+    eval-ex)
+        echo "Evaluate an Elixir expression in the EMQX node. Only applies to Elixir node"
+        ;;
     versions)
         echo "List installed EMQX release versions and their status"
         ;;
@@ -228,7 +231,7 @@ usage() {
         echo "  Install Info:     ertspath | root_dir"
         echo "  Runtime Status:   pid | ping"
         echo "  Validate Config:  check_config"
-        echo "  Advanced:         console_clean | escript | rpc | rpcterms | eval | eval-erl"
+        echo "  Advanced:         console_clean | escript | rpc | rpcterms | eval | eval-erl | eval-ex"
         echo ''
         echo "Execute '$REL_NAME COMMAND help' for more information"
     ;;
@@ -1280,7 +1283,27 @@ case "${COMMAND}" in
         shift
         relx_nodetool "eval" "$@"
         ;;
+    eval-ex)
+        assert_node_alive
 
+        shift
+        if [ "$IS_ELIXIR" = "yes" ]
+        then
+          "$REL_DIR/elixir" \
+              --hidden \
+              --name "rand-$(relx_gen_id)-$NAME" \
+              --cookie "$COOKIE" \
+              --boot "$REL_DIR/start_clean" \
+              --boot-var RELEASE_LIB "$ERTS_LIB_DIR" \
+              --vm-args "$REL_DIR/remote.vm.args" \
+              --erl "-start_epmd false -epmd_module ekka_epmd" \
+              --rpc-eval "$NAME" "$@"
+        else
+            echo "EMQX node is not an Elixir node"
+            usage "$COMMAND"
+            exit 1
+        fi
+        ;;
     check_config)
         check_config
         ;;

changes/ce/feat-10263.en.md

@@ -0,0 +1 @@
+Add command 'eval-ex' for Elixir expression evaluation.