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Rewrote AWS Terraform for Kargo

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Rewrote AWS Terraform deployment for AWS Kargo. It supports now
multiple Availability Zones, AWS Loadbalancer for Kubernetes API,
Bastion Host, ...

For more information see README
This commit is contained in:
Vincent Schwarzer
2017-03-01 18:25:58 +01:00
parent 3256f4bc0f
commit 3c6b1480b8
20 changed files with 794 additions and 327 deletions
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29
contrib/terraform/aws/README.md
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**Overview:**
- This will create nodes in a VPC inside of AWS
This project will create:
* VPC with Public and Private Subnets in # Availability Zones
* Bastion Hosts and NAT Gateways in the Public Subnet
* A dynamic number of masters, etcd, and worker nodes in the Private Subnet
* even distributed over the # of Availability Zones
* AWS ELB in the Public Subnet for accessing the Kubernetes API from the internet
- A dynamic number of masters, etcd, and nodes can be created
- These scripts currently expect Private IP connectivity with the nodes that are created. This means that you may need a tunnel to your VPC or to run these scripts from a VM inside the VPC. Will be looking into how to work around this later.
**Requirements**
- Terraform 0.8.7 or newer
**How to Use:**
- Export the variables for your Amazon credentials:
- Export the variables for your AWS credentials or edit credentials.tfvars:
```
export AWS_ACCESS_KEY_ID="xxx"
export AWS_SECRET_ACCESS_KEY="yyy"
export aws_access_key="xxx"
export aws_secret_key="yyy"
export aws_ssh_key_name="zzz"
```
- Update contrib/terraform/aws/terraform.tfvars with your data
- Run with `terraform apply`
- Run with `terraform apply -var-file="credentials.tfvars"` or `terraform apply` depending if you exported your AWS credentials
- Once the infrastructure is created, you can run the kubespray playbooks and supply contrib/terraform/aws/inventory with the `-i` flag.
- Once the infrastructure is created, you can run the kargo playbooks and supply inventory/hosts with the `-i` flag.
**Future Work:**
**Architecture**
- Update the inventory creation file to be something a little more reasonable. It's just a local-exec from Terraform now, using terraform.py or something may make sense in the future.
Pictured is an AWS Infrastructure created with this Terraform project distributed over two Availability Zones.
![AWS Infrastructure with Terraform ](docs/aws_kargo.png)