Add support for a key pair

Author: johnsonrw82

src/aws.js

@@ -29,6 +29,7 @@ async function startEc2Instance(label, githubRegistrationToken) {
     SecurityGroupIds: [config.input.securityGroupId],
     IamInstanceProfile: { Name: config.input.iamRoleName },
     TagSpecifications: config.tagSpecifications,
+    KeyName: config.input.keyPairName
   };
 
   try {

src/config.js

@@ -13,6 +13,7 @@ class Config {
       label: core.getInput('label'),
       ec2InstanceId: core.getInput('ec2-instance-id'),
       iamRoleName: core.getInput('iam-role-name'),
+      keyPairName: core.getInput('key-pair-name')
     };
 
     const tags = JSON.parse(core.getInput('aws-resource-tags'));
@@ -41,6 +42,10 @@ class Config {
       throw new Error(`The 'github-token' input is not specified`);
     }
 
+    if (!this.input.keyPairName) {
+      throw new Error(`Must specify a key pair name`);
+    }
+
     if (this.input.mode === 'start') {
       if (!this.input.ec2ImageId || !this.input.ec2InstanceType || !this.input.subnetId || !this.input.securityGroupId) {
         throw new Error(`Not all the required inputs are provided for the 'start' mode`);