IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elasticsearch Plugins and Integrations [5.6] ›Discovery Plugins ›GCE Discovery Plugin

Setting up GCE Discovery

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Setting up GCE Discovery

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Prerequisites

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Before starting, you need:

If you did not set it yet, you can define your default project you will work on:

gcloud config set project es-cloud

Login to Google Cloud

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If you haven’t already, login to Google Cloud

gcloud auth login

This will open your browser. You will be asked to sign-in to a Google account and authorize access to the Google Cloud SDK.

Creating your first instance

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gcloud compute instances create myesnode1 \
       --zone <your-zone> \
       --scopes compute-rw

When done, a report like this one should appears:

Created [https://www.googleapis.com/compute/v1/projects/es-cloud-1070/zones/us-central1-f/instances/myesnode1].
NAME      ZONE          MACHINE_TYPE  PREEMPTIBLE INTERNAL_IP   EXTERNAL_IP   STATUS
myesnode1 us-central1-f n1-standard-1             10.240.133.54 104.197.94.25 RUNNING

You can now connect to your instance:

# Connect using google cloud SDK
gcloud compute ssh myesnode1 --zone europe-west1-a

# Or using SSH with external IP address
ssh -i ~/.ssh/google_compute_engine 192.158.29.199

Service Account Permissions

It’s important when creating an instance that the correct permissions are set. At a minimum, you must ensure you have:

scopes=compute-rw

Failing to set this will result in unauthorized messages when starting Elasticsearch. See Machine Permissions.

Once connected, install Elasticsearch:

sudo apt-get update

# Download Elasticsearch
wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-2.0.0.deb

# Prepare Java installation (Oracle)
sudo echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" | sudo tee /etc/apt/sources.list.d/webupd8team-java.list
sudo echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" | sudo tee -a /etc/apt/sources.list.d/webupd8team-java.list
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys EEA14886
sudo apt-get update
sudo apt-get install oracle-java8-installer

# Prepare Java installation (or OpenJDK)
# sudo apt-get install java8-runtime-headless

# Prepare Elasticsearch installation
sudo dpkg -i elasticsearch-2.0.0.deb

Install elasticsearch discovery gce plugin

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Install the plugin:

# Use Plugin Manager to install it
sudo bin/elasticsearch-plugin install discovery-gce

Open the elasticsearch.yml file:

sudo vi /etc/elasticsearch/elasticsearch.yml

And add the following lines:

cloud:
  gce:
      project_id: es-cloud
      zone: europe-west1-a
discovery:
      type: gce

Start elasticsearch:

sudo /etc/init.d/elasticsearch start

If anything goes wrong, you should check logs:

tail -f /var/log/elasticsearch/elasticsearch.log

If needed, you can change log level to trace by opening log4j2.properties:

sudo vi /etc/elasticsearch/log4j2.properties

and adding the following line:

# discovery
logger.discovery_gce.name = discovery.gce
logger.discovery_gce.level = trace
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