Ackee GCE Elasticsearch Terraform module

This module is primary written for provisioning of GCE instance from our ES image (https://github.com/AckeeCZ/packer-elasticsearch)

It does a few things :

• Generates GCP IAM Service Account with Storage Admin role for backups and insert it into ES keystore
• Downloads RAW disk from GCS and create an image from it. (you can generate your own image with Packer using https://github.com/AckeeCZ/packer-elasticsearch)
• Create SSH key for instance provisioning
• Create (GCP) firewall rules so GKE "gateway" pods can reach GCE cluster

Usage

module "elasticsearch_prod" {
  source = "AckeeCZ/elasticsearch/gcp"

  project                   = "my-gcp-project"
  region                    = "europe-west3"
  zone                      = "europe-west3-c"
  instance_name             = "elasticsearch-prod"
  cluster_name              = "elasticsearch"
  cluster_ipv4_cidr         = "10.128.0.0/14"
  node_count                = "3"
  heap_size                 = "1500m"
  raw_image_source          = "https://storage.googleapis.com/ackee-images/ackee-elasticsearch-7-disk-79.tar.gz"
  data_disk_size            = "10"
  custom_pre_start_commands = "/usr/share/elasticsearch/bin/elasticsearch-plugin install -b analysis-stempel"
}

Running plugins needed for index startup

If you need some plugins that is required for index startup (e.g., analysis-stempel), you must install them utilizing custom_pre_start_commands variable, which is called before running systemctl start elasticsearch.

See Usage part above for example with analysis-stempel plugin installation

Upgrading to v12

To keep ingesting Elasticsearch logs with the new Google Cloud Ops agent, please upgrade your ES instances to image generated from v1.0.0 of the packer-elasticsearch AFTER upgrading this module to v12.0.0

Before you do anything in this module

Install pre-commit hooks by running following commands:

brew install pre-commit
pre-commit install

Requirements

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