e2e: ssh instructions + remove redundant naming

e2e/terraform/README.md

@@ -15,8 +15,16 @@ $ envchain nomadaws TF_VAR_nomad_sha=<nomad_sha> terraform apply
 
 After this step, you should have a nomad client address to point the end to end tests in the `e2e` folder to.
 
-Teardown
-========
+## SSH
+
+Terraform will output node IPs that may be accessed via ssh:
+
+```
+ssh -i keys/nomad-e2e-*.pem ubuntu@${EC2_IP_ADDR}
+```
+
+
+## Teardown
 The terraform state file stores all the info, so the nomad_sha doesn't need to be valid during teardown. 
 
 ```

e2e/terraform/main.tf

@@ -49,7 +49,7 @@ locals {
 
 # Generates keys to use for provisioning and access
 module "keys" {
-  name   = "nomad-e2e-${local.random_name}"
+  name   = "${local.random_name}"
   path   = "${path.root}/keys"
   source = "mitchellh/dynamic-keys/aws"
 }
@@ -88,5 +88,10 @@ Then you can run e2e tests with:
 ```
 go test -v ./e2e
 ```
+
+ssh into nodes with:
+```
+ssh -i keys/${local.random_name}.pem ubuntu@${aws_instance.client.0.public_ip}
+```
 EOM
 }