RabbitMQ

SquareOps Technologies Your DevOps Partner for Accelerating cloud journey.

This Terraform module allows you to deploy a RabbitMQ message broker on a Kubernetes cluster. It uses the [official RabbitMQ](https://github.com/bitnami/charts/tree/main/bitnami/rabbitmq) Helm chart to create a scalable, highly-available RabbitMQ cluster.

The module provides a simple way to configure and deploy RabbitMQ on Kubernetes, including the ability to:

1. Customize the name and environment of the RabbitMQ deployment
2. Specify the number of replicas in the cluster
3. Set up persistent storage using a specific storage class and volume size
4. Deploy a RabbitMQ exporter to collect metrics for Grafana
5. Control whether or not to create the Kubernetes namespace for the deployment

The module also includes sensible defaults for all configuration options, making it easy to get up and running with RabbitMQ on Kubernetes quickly.

Supported Versions:

Rabbitmq Helm Chart Version	K8s supported version (EKS, AKS & GCP)
14.4.6	1.23,1.24,1.25,1.26,1.27,1.28,1.29

Usage Example

locals {
  name        = "rabbitmq"
  region      = ""
  environment = "prod"
  additional_tags = {
    Owner      = "organization_name"
    Expires    = "Never"
    Department = "Engineering"
  }
  create_namespace                 = true
  namespace                        = "rabbitmq"
  store_password_to_secret_manager = false
  custom_credentials_enabled       = false
  custom_credentials_config = {
    rabbitmq_password     = "aa0z1IoRjOgRuon3aG",
    erlangcookie_password = "bbddff0z1IoRuon3aG"
  }
}

module "aws" {
  source                           = "squareops/rabbitmq/kubernetes//modules/resources/aws"
  environment                      = local.environment
  name                             = local.name
  store_password_to_secret_manager = local.store_password_to_secret_manager
  custom_credentials_enabled       = local.custom_credentials_enabled
  custom_credentials_config        = local.custom_credentials_config
}

module "rabbitmq" {
  source           = "squareops/rabbitmq/kubernetes"
  version          = "2.1.1"
  create_namespace = local.create_namespace
  namespace        = local.namespace
  rabbitmq_config = {
    name                             = local.name
    hostname                         = "rabbitmq.squareops.in"
    environment                      = local.environment
    values_yaml                      = file("./helm/values.yaml")
    volume_size                      = "50Gi"
    replica_count                    = 2
    storage_class_name               = "infra-service-sc"
    store_password_to_secret_manager = local.store_password_to_secret_manager
  }
  rabbitmq_exporter_enabled  = true
  recovery_window_aws_secret = 0
  custom_credentials_enabled = local.custom_credentials_enabled
  custom_credentials_config  = local.custom_credentials_config
  rabbitmq_password          = local.custom_credentials_enabled ? "" : module.aws.rabbitmq_password
  erlangcookie_password      = local.custom_credentials_enabled ? "" : module.aws.erlangcookie_password
}

• Refer AWS examples for more details.
• Refer Azure examples for more details.
• Refer GCP examples for more details.

IAM Permissions

The required IAM permissions to create resources from this module can be found here

Important Notes

1. In order to enable the exporter, it is required to deploy Prometheus/Grafana first.
2. The exporter is a tool that extracts metrics data from an application or system and makes it available to be scraped by Prometheus.
3. Prometheus is a monitoring system that collects metrics data from various sources, including exporters, and stores it in a time-series database.
4. Grafana is a data visualization and dashboard tool that works with Prometheus and other data sources to display the collected metrics in a user-friendly way.
5. To deploy Prometheus/Grafana, please follow the installation instructions for each tool in their respective documentation.
6. Once Prometheus and Grafana are deployed, the exporter can be configured to scrape metrics data from your application or system and send it to Prometheus.
7. Finally, you can use Grafana to create custom dashboards and visualize the metrics data collected by Prometheus.
8. This module is compatible with EKS, AKS & GKE which is great news for users deploying the module on an AWS, Azure & GCP cloud. Review the module's documentation, meet specific configuration requirements, and test thoroughly after deployment to ensure everything works as expected.

Requirements

No requirements.

Providers

Name	Version
helm	n/a
kubernetes	n/a

Modules

No modules.

Resources

Name	Type
helm_release.rabbitmq	resource
kubernetes_namespace.rabbitmq	resource

Inputs

Name	Description	Type	Default	Required
chart_version	Version of the RabbitMQ chart that will be used to deploy the message broker.	string	"14.4.6"	no
create_namespace	Specify whether or not to create the namespace if it does not already exist. Set it to true to create the namespace.	string	true	no
custom_credentials_config	Specify the configuration settings for Rabbitmq to pass custom credentials during creation.	any	{ "erlangcookie_password": "", "rabbitmq_password": "" }	no
custom_credentials_enabled	Specifies whether to enable custom credentials for Rabbitmq.	bool	false	no
erlangcookie_password	password for Rabbitmq erlangcookie	string	""	no
namespace	Name of the Kubernetes namespace where the RabbitMQ deployment will be deployed.	string	"rabbitmq"	no
rabbitmq_config	Specify the configuration settings for RabbitMQ, including the name, environment, storage options, replication settings, and custom YAML values.	any	{ "environment": "", "hostname": "", "name": "", "replica_count": 2, "storage_class_name": "", "store_password_to_secret_manager": "", "values_yaml": "", "volume_size": "" }	no
rabbitmq_exporter_enabled	Specify whether or not to deploy RabbitMQ exporter to collect RabbitMQ metrics for monitoring in Grafana.	bool	true	no
rabbitmq_password	password for Rabbitmq	string	""	no
recovery_window_aws_secret	Number of days that AWS Secrets Manager will wait before deleting a secret. This value can be set to 0 to force immediate deletion, or to a value between 7 and 30 days to allow for recovery.	number	0	no
username	Username that will be used for authentication when connecting to the RabbitMQ cluster.	string	"admin"	no

Outputs

Name	Description
rabbitmq_credential	Rabbitmq credentials used in the Kubernetes cluster.
rabbitmq_endpoints	Rabbitmq endpoints in the Kubernetes cluster.

Contribution & Issue Reporting

To report an issue with a project:

1. Check the repository's issue tracker on GitHub
2. Search to see if the issue has already been reported
3. If you can't find an answer to your question in the documentation or issue tracker, you can ask a question by creating a new issue. Be sure to provide enough context and details so others can understand your problem.

License

Apache License, Version 2.0, January 2004 (http://www.apache.org/licenses/).

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