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https://github.com/cloudnationhq/terraform-azure-vmss

Terraform module which creates virtual machine scale set resources used by workloads and accelerators.
https://github.com/cloudnationhq/terraform-azure-vmss

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Terraform module which creates virtual machine scale set resources used by workloads and accelerators.

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README 

        
# Virtual Machine Scale Sets



This terraform module enables flexible and efficient management of virtual machine scale sets on azure through customizable configuration options.



## Goals



The main objective is to create a more logic data structure, achieved by combining and grouping related resources together in a complex object.



The structure of the module promotes reusability. It's intended to be a repeatable component, simplifying the process of building diverse workloads and platform accelerators consistently.



A primary goal is to utilize keys and values in the object that correspond to the REST API's structure. This enables us to carry out iterations, increasing its practical value as time goes on.



A last key goal is to separate logic from configuration in the module, thereby enhancing its scalability, ease of customization, and manageability.



## Non-Goals



These modules are not intended to be complete, ready-to-use solutions; they are designed as components for creating your own patterns.



They are not tailored for a single use case but are meant to be versatile and applicable to a range of scenarios.



Security standardization is applied at the pattern level, while the modules include default values based on best practices but do not enforce specific security standards.



End-to-end testing is not conducted on these modules, as they are individual components and do not undergo the extensive testing reserved for complete patterns or solutions.



## Features



- the capability to handle multiple SSH keys.

- the inclusion of multiple network interfaces.

- the support for multiple data disks.

- the flexibility to incorporate multiple extensions

- utilization of terratest for robust validation.

- autoscaling capabilities with the use of multiple rules.



## Requirements



| Name | Version |

|------|---------|

|  [terraform](#requirement\_terraform) | ~> 1.0 |

|  [azurerm](#requirement\_azurerm) | ~> 4.0 |

|  [random](#requirement\_random) | ~> 3.6 |

|  [tls](#requirement\_tls) | ~> 4.0.4 |



## Providers



| Name | Version |

|------|---------|

|  [azurerm](#provider\_azurerm) | ~> 4.0 |

|  [random](#provider\_random) | ~> 3.6 |

|  [tls](#provider\_tls) | ~> 4.0.4 |



## Resources



| Name | Type |

|------|------|

| [azurerm_key_vault_secret.secret](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/key_vault_secret) | resource |

| [azurerm_key_vault_secret.tls_private_key_secret](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/key_vault_secret) | resource |

| [azurerm_key_vault_secret.tls_public_key_secret](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/key_vault_secret) | resource |

| [azurerm_linux_virtual_machine_scale_set.vmss](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/linux_virtual_machine_scale_set) | resource |

| [azurerm_monitor_autoscale_setting.scaling](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/monitor_autoscale_setting) | resource |

| [azurerm_user_assigned_identity.identity](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/user_assigned_identity) | resource |

| [azurerm_virtual_machine_scale_set_extension.ext](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/virtual_machine_scale_set_extension) | resource |

| [azurerm_windows_virtual_machine_scale_set.vmss](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/windows_virtual_machine_scale_set) | resource |

| [random_password.password](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/password) | resource |

| [tls_private_key.tls_key](https://registry.terraform.io/providers/hashicorp/tls/latest/docs/resources/private_key) | resource |

| [azurerm_subscription.current](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/data-sources/subscription) | data source |



## Inputs



| Name | Description | Type | Default | Required |

|------|-------------|------|---------|:--------:|

|  [keyvault](#input\_keyvault) | keyvault id to store secrets | `string` | `null` | no |

|  [location](#input\_location) | default azure region and can be used if location is not specified inside the object. | `string` | `null` | no |

|  [naming](#input\_naming) | used for naming purposes | `map(string)` | `{}` | no |

|  [resource\_group](#input\_resource\_group) | default resource group and can be used if resource\_group is not specified inside the object. | `string` | `null` | no |

|  [tags](#input\_tags) | tags to be added to the resources | `map(string)` | `{}` | no |

|  [vmss](#input\_vmss) | contains all virtual machine scale set config | `any` | n/a | yes |



## Outputs



| Name | Description |

|------|-------------|

|  [subscriptionId](#output\_subscriptionId) | contains the current subscription id |

|  [uai](#output\_uai) | contains the user assigned identity |

|  [vmss](#output\_vmss) | contains all virtual machine scale set config |



## Testing



For more information, please see our testing [guidelines](./TESTING.md)



## Notes



Using a dedicated module, we've developed a naming convention for resources that's based on specific regular expressions for each type, ensuring correct abbreviations and offering flexibility with multiple prefixes and suffixes.



Full examples detailing all usages, along with integrations with dependency modules, are located in the examples directory.



To update the module's documentation run `make doc`



## Authors



Module is maintained by [these awesome contributors](https://github.com/cloudnationhq/terraform-azure-vmss/graphs/contributors).



## Contributing



We welcome contributions from the community! Whether it's reporting a bug, suggesting a new feature, or submitting a pull request, your input is highly valued.



For more information, please see our contribution [guidelines](./CONTRIBUTING.md).



## License



MIT Licensed. See [LICENSE](./LICENSE) for full details.



## Reference



- [Documentation](https://learn.microsoft.com/en-us/azure/virtual-machine-scale-sets/)

- [Rest Api](https://learn.microsoft.com/en-us/rest/api/compute/virtual-machine-scale-sets)

- [Rest Api Specs](https://github.com/Azure/azure-rest-api-specs/blob/main/specification/compute/resource-manager/Microsoft.Compute/ComputeRP/stable/2023-03-01/virtualMachineScaleSet.json)