Elasticsearch 5.3 Discovery Issue

I have build an ES5.3 cluster with Kibana5.3 (No Logstash). I have my nodes in place and curl works just fine on all the nodes. But the problem is, the nodes are not discovering each other. I have tried several options but nothing worked. I am deploying this on EC2 instances.

My elasticsearch.yml file looks like this:

plugin.mandatory: cloud-aws
cluster.name: CC-ES-5.3-Cluster
discovery.type: ec2
discovery.zen.ping.multicast.enabled: false
cloud.aws.access_key: *****
cloud.aws.secret_key: *****
node.master: true
node.data: false
node.name: es-master-02

What did I miss? Please help.

Thank you!

I doubt this line actually works:

plugin.mandatory: cloud-aws

What are the logs?

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Hello dadoonet,

Here is where I am now with my cluster:
I have built 3 master nodes and 6 data nodes on aws ec2 instances. I am unable to have my nodes discover each other. Is there any reference? I have looked at the documentation and followed the same but it doesn't seem to work. I am installing elasticsearch 5.3. Is it mandatory to have an ingest node? I feel that I dont need an ingest node for my use-case but is it made mandatory for 5.3?

Thank you in advance.

As I said, please share your logs.


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