#!/bin/bash

function showUsage {
cat << EOF
This script will install and configure the ocx-config stack for a specific environment

usage: ${0##*/} [-h] ENV
  -h    Display this help and exit

Environments currently include QA{1..2} STG{1..3} OR{1..3} or OCI
Defaults to installing the 'production' variant if ENV cannot be found.
EOF
}

while getopts "h" opt;
do
  case $opt in
    h)
      showUsage
      exit 0
      ;;
    *)
      echo "how did I get here?"
      showUsage
      exit 1
      ;;
  esac
done
shift $((OPTIND -1))

#[ -z "$1" ] && showUsage && exit 1
ENV=$1
## make sure we are Centos7
grep -e "CentOS.*7" -e "Red.*7" /etc/redhat-release || exit 1


## Get instanceId from metadata
## If no argument specified, see if we can find out for ourselves.
## Make sure jq is installed
rpm -qa |grep jq || yum install jq -y
## We need to figure out what account we are in.
prodAccountId="603249479586"
qaAccountId="673483625697"
myAccountId=$(curl -s http://169.254.169.254/latest/dynamic/instance-identity/document |jq -r .accountId )
case "$myAccountId" in
	603249479586)
		## Production accountId
		apiUrl="https://ocx-config-api.ocx-int.com/v1/"
		;;
	673483625697)
		## QA AccountId
		apiUrl="https://ocx-config-api.qa.ocx-int.net/v1/"
		ENV=QA
		;;
esac
if [ -z "${ENV}" ]
then
	instanceId=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
	region=$(curl -s http://169.254.169.254/latest/dynamic/instance-identity/document |jq -r .region )
	ENV=$(curl -s --data '{ "func": "tags", "args": [ '\"${instanceId}\"', '\"${region}\"' ] }' ${apiUrl}  | jq -r '.result' | base64 -d | jq -M '.'|jq -r .Location )
	echo -e "Found current instance is in $ENV"
fi


rpm -qa |grep oceanx-release || /bin/yum -y -q install http://repo.ocx-int.net/rpm/centos7/ocx-int/Packages/oceanx-release-latest.el7.noarch.rpm
yum clean all
yum -y update oceanx-release


PACKAGE=ocx-config-policy-production
## Define DNS servers
case ${ENV} in
	QA*)
		PACKAGE=ocx-config-policy-qa
		;;
	STG*)
		PACKAGE=ocx-config-policy-staging
		;;
	*)
		PACKAGE=ocx-config-policy-production
		;;
esac


yum -y install ocx-misc-scripts ocx-config-service $PACKAGE && \
	systemctl daemon-reload && \
	systemctl enable ocx-config && \
	systemctl start ocx-config && \
	/etc/ocx-config/build/bin/cf-agent -KI && \
	/sbin/bootstrapSecureRepo >/dev/null || \
	echo "an error occured" && exit 127