From 9fd8ab3c750c57dae3a6cf2608b9ee3e83e2614f Mon Sep 17 00:00:00 2001
From: wiquan <wquan@aylanetworks.com>
Date: Mon, 29 Aug 2022 05:13:53 -0700
Subject: [PATCH] [Issue 10331] Fresh Docker install results in "Uh... I have
 no servers. Not assigning anything... (#12963)

* add env var DRUID_SINGLE_NODE_CONF

* no message

* typo fix

Co-authored-by: Wil Quan <wiquan@appdynamics.com>
---
 distribution/docker/druid.sh    | 22 ++++++++++++++++++++++
 distribution/docker/environment | 11 ++++++-----
 2 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/distribution/docker/druid.sh b/distribution/docker/druid.sh
index ec6387c4773..82e7c8a001f 100755
--- a/distribution/docker/druid.sh
+++ b/distribution/docker/druid.sh
@@ -37,6 +37,7 @@
 #
 # - DRUID_CONFIG_COMMON -- full path to a file for druid 'common' properties
 # - DRUID_CONFIG_${service} -- full path to a file for druid 'service' properties
+# - DRUID_SINGLE_NODE_CONF -- config to use at runtime. Choose from: {large, medium, micro-quickstart, nano-quickstart, small, xlarge}
 
 set -e
 SERVICE="$1"
@@ -50,6 +51,27 @@ test -d /tmp/conf/druid && rm -r /tmp/conf/druid
 cp -r /opt/druid/conf/druid /tmp/conf/druid
 
 getConfPath() {
+    if [ -n "$DRUID_SINGLE_NODE_CONF" ]
+    then
+      getSingleServerConfPath $1
+    else
+      getClusterConfPath $1
+    fi
+}
+getSingleServerConfPath() {
+    cluster_conf_base=/tmp/conf/druid/single-server
+    case "$1" in
+    _common) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/_common ;;
+    historical) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/historical ;;
+    middleManager) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/middleManager ;;
+#    indexer) echo $cluster_conf_base/data/indexer ;;
+    coordinator | overlord) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/coordinator-overlord ;;
+    broker) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/broker ;;
+    router) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/router ;;
+    *) echo $cluster_conf_base/misc/$1 ;;
+    esac
+}
+getClusterConfPath() {
     cluster_conf_base=/tmp/conf/druid/cluster
     case "$1" in
     _common) echo $cluster_conf_base/_common ;;
diff --git a/distribution/docker/environment b/distribution/docker/environment
index 7bb9214a701..99f54a33f2f 100644
--- a/distribution/docker/environment
+++ b/distribution/docker/environment
@@ -18,11 +18,12 @@
 #
 
 # Java tuning
-DRUID_XMX=1g
-DRUID_XMS=1g
-DRUID_MAXNEWSIZE=250m
-DRUID_NEWSIZE=250m
-DRUID_MAXDIRECTMEMORYSIZE=6172m
+#DRUID_XMX=1g
+#DRUID_XMS=1g
+#DRUID_MAXNEWSIZE=250m
+#DRUID_NEWSIZE=250m
+#DRUID_MAXDIRECTMEMORYSIZE=6172m
+DRUID_SINGLE_NODE_CONF=micro-quickstart
 
 druid_emitter_logging_logLevel=debug