From cf486bed931791b4623bf5f6ca43637f698da043 Mon Sep 17 00:00:00 2001
From: Leopere <colin@nixc.us>
Date: Sun, 11 Nov 2018 21:11:09 -0500
Subject: [PATCH] Started working through configuration steps

---
 chainquery/stuff/start.sh | 67 ++++++++++++++++++++++++---------------
 1 file changed, 42 insertions(+), 25 deletions(-)

diff --git a/chainquery/stuff/start.sh b/chainquery/stuff/start.sh
index c9a7f16..0954254 100755
--- a/chainquery/stuff/start.sh
+++ b/chainquery/stuff/start.sh
@@ -1,31 +1,48 @@
 #!/usr/bin/env bash
 
-# TODO: Remove this notes section.
-## Keeping this here as notes for later sed magic.
-# #########################
-# ## Chainquery Settings ##
-# #########################
-# RPC_USER=lbryrpc                ## Not super necessery to change this.
-# RPC_PASSWORD=changeme           ## Please replace changeme.
-# RPC_ALLOW_IP=10.6.1.3           ## You're better off not changing this.
-#
-# #################
-# ## Mysql Creds ##
-# #################
-# MYSQL_SERVER=10.6.1.10          ## You're better off not changing this.
-# MYSQL_USER=changeme             ## This could be changed.
-# MYSQL_PASSWORD=changeme         ## This could be set to something random it sets this string for both Mysql's main user and Chainquery's MysqlDSN.
-# MYSQL_DATABASE=chainquery       ## This can stay the same.
-# MYSQL_ROOT_PASSWORD=changeme    ## Set this to something random and obnoxious we're not using it.
+## Config setup
 
-# TODO: Add chainquery startup magic for configuration.
-# sed -i ''
-#
-#
-# debugmode=${DEBUGMODE:-false}
-# lbrycrdurl="rpc://${RPC_USER:-lbryrpc}:${RPC_PASSWORD:-changeme}@10.6.1.2:9245"
-# mysqldsn="${MYSQL_USER:-changeme}:${MYSQL_PASSWORD:-changeme}@tcp(${MYSQL_SERVER:-10.6.1.10}:3306)/${MYSQL_DATABASE:-chainquery}"
-# apimysqldsn="${MYSQL_USER:-changeme}:${MYSQL_PASSWORD:-changeme}@tcp(${MYSQL_SERVER:-10.6.1.10}:3306)/${MYSQL_DATABASE:-chainquery}"
+## Setup Values
+DEBUGMODE=${DEBUGMODE:-false}
+LBRYCRDURL="rpc://${RPC_USER:-lbryrpc}:${RPC_PASSWORD:-changeme}@10.5.1.2:9245"
+MYSQLDSN="${MYSQL_USER:-changeme}:${MYSQL_PASSWORD:-changeme}@tcp(${MYSQL_SERVER:-10.5.1.10}:3306)/${MYSQL_DATABASE:-chainquery}"
+APIMYSQLDSN="${MYSQL_USER:-changeme}:${MYSQL_PASSWORD:-changeme}@tcp(${MYSQL_SERVER:-10.5.1.10}:3306)/${MYSQL_DATABASE:-chainquery}"
+
+## Setup Defaults
+DEBUGMODE_DEFAULT='#DEFAULT-debugquerymode=false'
+LBRYCRDURL_DEFAULT='#DEFAULT-lbrycrdurl="rpc://lbry:lbry@localhost:9245"'
+MYSQLDSN_EFAULT='#DEFAULT-mysqldsn="lbry:lbry@tcp(localhost:3306)/chainquery"'
+APIMYSQLDSN_DEFAULT='#DEFAULT-apihostport="0.0.0.0:6300"'
+
+## Add setup value variable name to this list to get processed on container start
+CONFIG_SETTINGS=(
+  DEBUGMODE
+  LBRYCRDURL
+  MYSQLDSN_
+  APIMYSQLDSN
+)
+
+function set_configs(parameter) {
+  ## Set configs on container start if not already set.
+  for i in "${!CONFIG_SETTINGS[@]}"; do
+    echo ${CONFIG_SETTINGS[$i]}"_KEY"
+    ## Indirect references http://tldp.org/LDP/abs/html/ivr.html
+    eval FROM_STRING=\$"${CONFIG_SETTINGS[$i]}_DEFAULT"
+    eval TO_STRING=\$${CONFIG_SETTINGS[$i]}
+    ## TODO: Add a bit more magic to make sure that you're only configuring things if not set by config mounts.
+    sed -i '' "s/$FROM_STRING/$TO_STRING/g" /etc/chainquery/chainqueryconfig.toml
+  done
+}
+
+if [[ ! -f /etc/chainquery/chainqueryconfig.toml ]]; then
+  echo "[INFO]: Found no chainqueryconfig.toml"
+  echo "        Installing default and configuring with provided environment variables if any."
+  set_configs
+else
+  echo "[INFO]: Found a copy of chainqueryconfig.toml in /etc/chainquery"
+  echo "        Attempting to non destructively install any new environment configurations."
+  set_configs
+fi
 
 ## For now keeping this simple. Potentially eventually add all command args as envvars for the Dockerfile or use safe way to add args via docker-compose.yml
 chainquery serve -c "/etc/chainquery/"