Terraform Kubernetes Elastic Cloud

Introduction

This module deploys and configures Elastic Cloud inside a Kubernetes Cluster.

Security Controls

The following security controls can be met through configuration of this template:

• TBD

Dependencies

• None

Optional (depending on options configured):

• None

Usage

module "kubectl_eck" {
  source = "github.com/canada-ca-terraform-modules/terraform-kubernetes-elastic-cloud?ref=v2.4.1"

  depends_on = [
    module.namespace_elastic_system,
  ]

  kubectl_namespace = module.namespace_elastic_system.name
}

Variables Values

Name	Type	Required	Value
kubectl_namespace	list	yes	The namespace kubectl will install the manifests under

Upgrade Notes

After installing ECK 1.7.0, and subsequent versions, on Kubernetes versions 1.16/1.17 using Helm or the YAML manifests, deploying Elasticsearch may fail with the following error:

error: SchemaError(co.elastic.k8s.elasticsearch.v1.Elasticsearch.spec.nodeSets.volumeClaimTemplates): array should have exactly one sub-item

This is due to a validation issue in kubectl that has been addressed in the Kubernetes API server as of versions 1.18.13, 1.19.5 and 1.20. To work around this issue patch the Elasticsearch CRD as follows:

kubectl patch crd elasticsearches.elasticsearch.k8s.elastic.co --type json -p='[{"op": "remove", "path": "/spec/versions/0/schema/openAPIV3Schema/properties/spec/properties/nodeSets/items/properties/volumeClaimTemplates/x-kubernetes-preserve-unknown-fields"}]'

Ref: https://www.elastic.co/guide/en/cloud-on-k8s/current/release-highlights-1.7.0.html

History

Date	Release	Change
20190729	20190729.1	Improvements to documentation and formatting
20190909	20190909.1	1st release
20200122	v1.0.0	Update Operator to 1.0.0 manifest
20200606	v1.0.1	Update Operator to 1.1.2 manifest
20200729	v1.0.2	Update Operator to 1.2.0 manifest
20201110	v1.0.3	Update Operator to 1.2.1 manifest
20210825	v2.0.0	Update module for Terraform 0.13 and remove uneeded variables
20211207	v2.1.0	Update Operator to 1.8.0 manifest
20211209	v2.2.0	Update Operator to 1.9.0 manifest
20211209	v2.3.0	Update Operator to 2.2.0 manifest
20220816	v2.4.0	Update Operator to 2.3.0 manifest
20220816	v2.4.1	Update Operator to 2.3.0 manifest