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Updated UpCloud terraform script to use private network and dynamic (#7779)

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additional disks
This commit is contained in:
Fredrik Liv
2021-09-10 22:55:21 +02:00
committed by GitHub
parent a5a88e41af
commit aa00c1d91a
8 changed files with 263 additions and 88 deletions
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48
contrib/terraform/upcloud/README.md
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@@ -8,27 +8,29 @@ The setup looks like following
```text
Kubernetes cluster
+-----------------------+
| +--------------+ |
| | +--------------+ |
| | | | |
| | | Master/etcd | |
| | | node(s) | |
| +-+ | |
| +--------------+ |
| ^ |
| | |
| v |
| +--------------+ |
| | +--------------+ |
| | | | |
| | | Worker | |
| | | node(s) | |
| +-+ | |
| +--------------+ |
+-----------------------+
+--------------------------+
| +--------------+ |
| | +--------------+ |
| --> | | | |
| | | Master/etcd | |
| | | node(s) | |
| +-+ | |
| +--------------+ |
| ^ |
| | |
| v |
| +--------------+ |
| | +--------------+ |
| --> | | | |
| | | Worker | |
| | | node(s) | |
| +-+ | |
| +--------------+ |
+--------------------------+
```
The nodes uses a private network for node to node communication and a public interface for all external communication.
## Requirements
* Terraform 0.13.0 or newer
@@ -94,9 +96,10 @@ terraform destroy --var-file cluster-settings.tfvars \
## Variables
* `hostname`: A valid domain name, e.g. example.com. The maximum length is 128 characters.
* `prefix`: Prefix to add to all resources, if set to "" don't set any prefix
* `template_name`: The name or UUID of a base image
* `username`: a user to access the nodes
* `username`: a user to access the nodes, defaults to "ubuntu"
* `private_network_cidr`: CIDR to use for the private network, defaults to "172.16.0.0/24"
* `ssh_public_keys`: List of public SSH keys to install on all machines
* `zone`: The zone where to run the cluster
* `machines`: Machines to provision. Key of this object will be used as the name of the machine
@@ -104,3 +107,6 @@ terraform destroy --var-file cluster-settings.tfvars \
* `cpu`: number of cpu cores
* `mem`: memory size in MB
* `disk_size`: The size of the storage in GB
* `additional_disks`: Additional disks to attach to the node.
* `size`: The size of the additional disk in GB
* `tier`: The tier of disk to use (`maxiops` is the only one you can choose atm)