Allow providing ec2-instance-count

Author: dexbleeker

README.md

@@ -202,6 +202,7 @@ Now you're ready to go!
 | `security-group-id`                                                                                                                                                          | Required if you use the `start` mode.      | EC2 Security Group Id. <br><br> The security group should belong to the same VPC as the specified subnet. <br><br> Only the outbound traffic for port 443 should be allowed. No inbound traffic is required.                                                                                                                          |
 | `label`                                                                                                                                                                      | Required if you use the `stop` mode.       | Name of the unique label assigned to the runner. <br><br> The label is provided by the output of the action in the `start` mode. <br><br> The label is used to remove the runner from GitHub when the runner is not needed anymore.                                                                                                   |
 | `ec2-instance-id`                                                                                                                                                            | Required if you use the `stop` mode.       | EC2 Instance Id of the created runner. <br><br> The id is provided by the output of the action in the `start` mode. <br><br> The id is used to terminate the EC2 instance when the runner is not needed anymore.                                                                                                                      |
+| `ec2-instance-count` | Not required | EC2 instance count, amount of instances that will be created. Defaults to 1. |
 | `iam-role-name`                                                                                                                                                              | Optional. Used only with the `start` mode. | IAM role name to attach to the created EC2 runner. <br><br> This allows the runner to have permissions to run additional actions within the AWS account, without having to manage additional GitHub secrets and AWS users. <br><br> Setting this requires additional AWS permissions for the role launching the instance (see above). |
 | `aws-resource-tags`                                                                                                                                                          | Optional. Used only with the `start` mode. | Specifies tags to add to the EC2 instance and any attached storage. <br><br> This field is a stringified JSON array of tag objects, each containing a `Key` and `Value` field (see example below). <br><br> Setting this requires additional AWS permissions for the role launching the instance (see above).                         |
 | `runner-home-dir`                                                                                                                                                              | Optional. Used only with the `start` mode. | Specifies a directory where pre-installed actions-runner software and scripts are located.<br><br> |

action.yml

@@ -22,7 +22,7 @@ inputs:
     required: false
   ec2-instance-type:
     description: >-
-      EC2 Instance Type. 
+      EC2 Instance Type.
       This input is required if you use the 'start' mode.
     required: false
   subnet-id:
@@ -32,23 +32,28 @@ inputs:
     required: false
   security-group-id:
     description: >-
-      EC2 Security Group Id. 
+      EC2 Security Group Id.
       The security group should belong to the same VPC as the specified subnet.
       The runner doesn't require any inbound traffic. However, outbound traffic should be allowed.
       This input is required if you use the 'start' mode.
     required: false
   label:
     description: >-
       Name of the unique label assigned to the runner.
-      The label is used to remove the runner from GitHub when the runner is not needed anymore.
+      The label is used to remove the runner from GitHub when the runners are not needed anymore.
       This input is required if you use the 'stop' mode.
     required: false
-  ec2-instance-id:
+  ec2-instance-ids:
     description: >-
-      EC2 Instance Id of the created runner.
-      The id is used to terminate the EC2 instance when the runner is not needed anymore.
+      EC2 Instance Ids of the created runners.
+      The ids are used to terminate the EC2 instances when the runners are not needed anymore.
       This input is required if you use the 'stop' mode.
     required: false
+  ec2-instance-count:
+    description: >-
+      EC2 instance count, amount of instances that will be created. Defaults to 1.
+    required: false
+    default: '1'
   iam-role-name:
     description: >-
       IAM Role Name to attach to the created EC2 instance.