This repository houses the open-source components of Mattermost Cloud Database Factory Vertical Scaling. This is a microservice with the purpose of checking CPU and Memory performance of Aurora RDS Cluster instances and scale vertically by increasing the instance class.
For this tool to work a couple of infrastructure components are required. A cloudwatch alarm is deployed (by Mattermost Cloud Database Factory) for each of the RDS cluster nodes that gets in alarm state when the CPU or Memory is over a preconfigured value. This alarm sends a notification to a SNS topic, which then adds a message to a SQS queue. This message is picked up by the vertical scaling tool to handle instance class changes.
- Install Go
- Specify the region in your AWS config, e.g.
~/.aws/config:
[profile mm-cloud]
region = us-east-1
- Generate an AWS Access and Secret key pair, then export them in your bash profile:
export AWS_ACCESS_KEY_ID=YOURACCESSKEYID
export AWS_SECRET_ACCESS_KEY=YOURSECRETACCESSKEY
export AWS_PROFILE=mm-cloud
- Clone this repository into your GOPATH (or anywhere if you have Go Modules enabled)
- Export the following environment variables:
export QueueURL="The URL of the SQS queue that receives the Cloudwatch alarm notifications"
export MattermostNotificationsHook="The mattermost hook to use for notifications"
export MattermostAlertsHook="The mattermost hook to use for alerts"
Simply run the following:
$ make build
Run the app with:
$ /go/bin/database-factory-vertical-scaling