A couple util scripts (#1546)

* A couple util scripts

* Doc

scripts/setupPreCommitHook.sh

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+#!/bin/bash
+# This is script is simply a shortcut to the pre-commit hook command that I always forget when I clone this repo.
+# The pre-commit hook in ./hooks will automatically run terraform fmt on all terraform files in the repo.
+git config set core.hooksPath ./hooks

scripts/terragruntInitRecursive.sh

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+#!/bin/bash
+
+### WARNING: THIS IS A POTENTIALLY DANGEROUS SCRIPT.
+### MAKE SURE YOU ARE IN THE CORRECT ENVIRONMENT BEFORE RUNNING
+
+### This script is intended to do a terragrunt init --reconfigure on all folders in the env/$ENVIRONMENT directory
+
+runCommand()
+{
+    CMD=$1
+    eval "$CMD"
+    if [ $? != 0 ]; then
+        echo -e "{${RED} ERROR: Command: \"$CMD\" Failed. Halting."
+        exit 1
+    fi
+}
+
+toApply="common,ecr,ses_receiving_emails,dns,ses_validation_dns_entries,cloudfront,eks,elasticache,rds,lambda-api,lambda-admin-pr,performance-test,heartbeat,database-tools,lambda-google-cidr,ses_to_sqs_email_callbacks,sns_to_sqs_sms_callbacks"
+
+ENVIRONMENT=$1
+VARFILE=$2
+
+IFS=', ' read -r -a folders <<< "$toApply"
+
+echo "This script will iterate through all terraform folders and auto upgrade and apply."
+echo -e "${YELLOW}The target environment is: ${BYELLOW} $ENVIRONMENT"
+echo -e "${YELLOW}Your current kubernetes context is ${BYELLOW} $AWS_PROFILE"
+echo "****VERIFY YOUR CONTEXT IS THE TARGET ENVIRONMENT!****"
+echo -e "${COLOR_OFF}"
+echo "Are you sure you want to proceed? Only "yes" will be accepted"
+read RESPONSE
+
+if [ "$RESPONSE" == "yes" ]; then
+   for folder in "${folders[@]}"
+   do
+      pushd ../env/$ENVIRONMENT/$folder
+      runCommand "terragrunt init --reconfigure"
+      popd
+   done
+    exit 0
+else
+    echo "USER REQUESTED CANCELLATION"
+    exit 0
+fi