hdp-component-lookup.sh

#!/bin/bash

AMBARI="hostname:port"
CLUSTER="clustername"
EC2=".ec2-list"
COMPONENTS=".hdp-components"

aws ec2 describe-instances | jq -r '.Reservations[].Instances[] | [.Tags[].Value, .PublicDnsName,.PrivateDnsName] | @tsv' > ${EC2}
curl -u admin:admin ${AMBARI}/api/v1/${CLUSTER}/factory/host_components | jq -r '.items[].HostRoles | [.host_name, .component_name] | @tsv' | perl -e 'my %hosts; for(<>){ chomp $_; my($host, $component) >

join -t ' '  -1 3 -2 1 -o 1.1,1.2,1.3,2.2 ${EC2} ${COMPONENTS}

rm ${EC2} ${COMPONENTS}