docs: update README

modules/gh-runner-gke/README.md

@@ -102,6 +102,7 @@ This example shows how to deploy Self Hosted Runners on GKE that supports Docker
 | project\_id | The project id to deploy Github Runner cluster | `string` | n/a | yes |
 | region | The GCP region to deploy instances into | `string` | `"us-east4"` | no |
 | service\_account | Optional Service Account for the nodes | `string` | `""` | no |
+| spot | A boolean that represents whether the underlying node VMs are spot | `bool` | `false` | no |
 | subnet\_ip | IP range for the subnet | `string` | `"10.0.0.0/17"` | no |
 | subnet\_name | Name for the subnet | `string` | `"runner-subnet"` | no |
 | subnetwork\_project | The ID of the project in which the subnetwork belongs. If it is not provided, the project\_id is used. | `string` | `""` | no |

modules/gh-runner-mig-container-vm/README.md

@@ -41,6 +41,8 @@ This example shows how to deploy a Self Hosted Runner on MIG Container VMs.
 | repo\_url | Repo URL for the Github Action | `string` | n/a | yes |
 | restart\_policy | The desired Docker restart policy for the runner image | `string` | `"Always"` | no |
 | service\_account | Service account email address | `string` | `""` | no |
+| spot | Provision a SPOT instance | `bool` | `false` | no |
+| spot\_instance\_termination\_action | Action to take when Compute Engine preempts a Spot VM. | `string` | `"STOP"` | no |
 | subnet\_ip | IP range for the subnet | `string` | `"10.10.10.0/24"` | no |
 | subnet\_name | Name for the subnet | `string` | `"gh-runner-subnet"` | no |
 | subnetwork\_project | The ID of the project in which the subnetwork belongs. If it is not provided, the project\_id is used. | `string` | `""` | no |

modules/gh-runner-mig-vm/README.md

@@ -48,6 +48,8 @@ This example shows how to deploy a MIG Self Hosted Runner with an image pre-bake
 | source\_image | Source disk image. If neither source\_image nor source\_image\_family is specified, defaults to the latest public CentOS image. | `string` | `""` | no |
 | source\_image\_family | Source image family. If neither source\_image nor source\_image\_family is specified, defaults to the latest public Ubuntu image. | `string` | `"ubuntu-1804-lts"` | no |
 | source\_image\_project | Project where the source image comes from | `string` | `"ubuntu-os-cloud"` | no |
+| spot | Provision a SPOT instance | `bool` | `false` | no |
+| spot\_instance\_termination\_action | Action to take when Compute Engine preempts a Spot VM. | `string` | `"STOP"` | no |
 | startup\_script | User startup script to run when instances spin up | `string` | `""` | no |
 | subnet\_ip | IP range for the subnet | `string` | `"10.10.10.0/24"` | no |
 | subnet\_name | Name for the subnet | `string` | `"gh-runner-subnet"` | no |