From 1e4de6e41e2936dd4629f70e72f5dde95972698c Mon Sep 17 00:00:00 2001
From: saneery <anatolyniky@gmail.com>
Date: Tue, 23 Jul 2019 12:07:09 +0300
Subject: [PATCH] Add env to disable indexer supervisor

---
 apps/indexer/config/config.exs          |  2 ++
 apps/indexer/lib/indexer/application.ex | 12 +++++++++---
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/apps/indexer/config/config.exs b/apps/indexer/config/config.exs
index 4e84e9bcfe..b01a09c450 100644
--- a/apps/indexer/config/config.exs
+++ b/apps/indexer/config/config.exs
@@ -41,6 +41,8 @@ config :indexer,
 # config :indexer, Indexer.Fetcher.BlockReward.Supervisor, disabled?: true
 config :indexer, Indexer.Fetcher.StakingPools.Supervisor, disabled?: true
 
+config :indexer, Indexer.Supervisor, enabled: System.get_env("DISABLE_INDEXER") != "true"
+
 config :indexer, Indexer.Tracer,
   service: :indexer,
   adapter: SpandexDatadog.Adapter,
diff --git a/apps/indexer/lib/indexer/application.ex b/apps/indexer/lib/indexer/application.ex
index cb696567b7..f261ba8057 100644
--- a/apps/indexer/lib/indexer/application.ex
+++ b/apps/indexer/lib/indexer/application.ex
@@ -17,11 +17,17 @@ defmodule Indexer.Application do
 
     memory_monitor_name = Memory.Monitor
 
-    children = [
-      {Memory.Monitor, [memory_monitor_options, [name: memory_monitor_name]]},
-      {Indexer.Supervisor, [%{memory_monitor: memory_monitor_name}]}
+    base_children = [
+      {Memory.Monitor, [memory_monitor_options, [name: memory_monitor_name]]}
     ]
 
+    children =
+      if Application.get_env(:indexer, Indexer.Supervisor)[:enabled] do
+        Enum.reverse([{Indexer.Supervisor, [%{memory_monitor: memory_monitor_name}]} | base_children])
+      else
+        base_children
+      end
+
     opts = [
       # If the `Memory.Monitor` dies, it needs all the `Shrinkable`s to re-register, so restart them.
       strategy: :rest_for_one,