userdata-kibana

#!/bin/bash
#
# Install Kibana (and nginx).
#
# Source:
#  https://www.digitalocean.com/community/tutorials/
#   how-to-install-elasticsearch-logstash-and-kibana-elk-stack-on-centos-7
#

TMP=/tmp/kibana
GITHUBFOLDER=/home/ec2-user/gs-kibana

##
# Validate parameters.
##

space=$1
nginxuserid=gs
nginxpassword=$2

echo nginx credentials: ${nginxuserid}/${nginxpassword} &> $TMP-0900

if [ ${space} = 'prod' ]; then
 gstype='gsp'
else
 if [[ \
  ${space} = 'int' || ${space} = 'test' || \
  ${space} = 'dev' || ${space} = 'stage' ]]; then
  gstype='gsn'
 else
  echo Space must be either int, test, dev, stage or prod. It''s ${space}
  exit 1
 fi
fi

##
# Install GPG key.
##

cd ~ &> $TMP-1000

wget --no-cookies --no-check-certificate \ 
  --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" \
  "http://download.oracle.com/otn-pub/java/jdk/8u73-b02/jdk-8u73-linux-x64.rpm" &> $TMP-1100

sudo yum -y localinstall jdk-8u73-linux-x64.rpm &> $TMP-1200

# Now Java should be installed at /usr/java/jdk1.8.0_73/jre/bin/java, 
#  and linked from /usr/bin/java.

rm /home/ec2-user/jdk-8u*-linux-x64.rpm &> $TMP-1300

##
# Install public key
##

sudo rpm --import http://packages.elastic.co/GPG-KEY-elasticsearch &> $TMP-1400

sudo cp ${GITHUBFOLDER}/elasticsearch.repo \
  /etc/yum.repos.d/elasticsearch.repo &> $TMP-1500

##
# Install Kibana
##

sudo cp ${GITHUBFOLDER}/kibana.repo /etc/yum.repos.d/kibana.repo &> $TMP-1600

sudo yum -y install kibana &> $TMP-1700

if [ ${gstype} = 'gsp' ]; then
 elasticsearchDNS=$( \
   aws cloudformation describe-stacks --stack-name gsp-elasticsearch-${space} \
   --region us-east-1 --query Stacks[].Outputs[].[OutputValue] \
   --output text | grep LoadBala) &> $TMP-1800
else
 elasticsearchDNS=$( \
   aws cloudformation describe-stacks --stack-name gsn-elasticsearch-${space} \
   --region us-east-1 --query Stacks[].Outputs[].[OutputValue] \
   --output text | grep LoadBala) &> $TMP-1805
fi

sudo sed -i \
  "s/# elasticsearch.url: \"http:\/\/localhost:9200\"/elasticsearch.url: \"http:\/\/${elasticsearchDNS}:9200\"/" \
  /opt/kibana/config/kibana.yml &> $TMP-1900

sudo service kibana start &> $TMP-2000

# Allow time for kibana service start
sleep 5 &> TMP-2010

# Must occur after service has started (see kibana#6085)
sudo /opt/kibana/bin/kibana plugin --install elastic/sense &> $TMP-2020

sudo service kibana restart &> $TMP-2030

##
# Install nginx
##

sudo yum -y install epel-release &> $TMP-2100
sudo yum -y install nginx httpd-tools &> $TMP-2200
sudo htpasswd -cb /etc/nginx/htpasswd.users ${nginxuserid} ${nginxpassword} &> $TMP-2300

sudo cp ${GITHUBFOLDER}/nginx.conf /etc/nginx &> $TMP-2400
sudo cp ${GITHUBFOLDER}/kibana.conf /etc/nginx/conf.d &> $TMP-2500

# Allow time for kibana.conf to be saved.
sleep 15 &> $TMP-2550

sudo service nginx start &> $TMP-2600

##
# Update route53
##

cd ${GITHUBFOLDER} &> $TMP-2650

if [ ${gstype} = 'gsp' ]; then
 ./upsert-route53 gsp-kibana-${space} &> $TMP-2700
else
 ./upsert-route53 gsn-kibana-${space} &> $TMP-2705
fi

##
# Add https
##

cd ${GITHUBFOLDER} &> $TMP-2800

./https ${space} &> $TMP-2900