Refactor and extend to launch logsearch-workspace spot instance on AWS

_setup/terraform/aws-workspace/README.md

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+
+0.  Setup your AWS credentials
+```
+export TF_VAR_access_key=$AWS_ACCESS_KEY_ID
+export TF_VAR_secret_key=$AWS_SECRET_ACCESS_KEY
+export TF_VAR_workspace_key_name="pcf"
+export TF_VAR_workspace_subnet_id="subnet-fcd4838b" #pcf-public-az-a
+export TF_VAR_workspace_security_group_id0="sg-2032c147" #workspace
+export TF_VAR_workspace_security_group_id1="sg-6a1a080e" #stayup-pcf-VMs
+export TF_VAR_workspace_security_group_id2="sg-65fa4302" #staff_office_ips
+
+```
+Make sure that you had `ssh-add`ed the key to your keychain
+
+0. `/path/to/logsearch-workspace/_setup/terraform/aws-workspace$ terraform apply`  

_setup/terraform/aws-workspace/main.tf

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+provider "aws" {
+    access_key = "${var.access_key}"
+    secret_key = "${var.secret_key}"
+    region = "us-east-1"
+}
+
+resource "aws_spot_instance_request" "workspace_instance" {
+    ami = "ami-3fee3b54" #BOSH lite 9000.38
+    instance_type = "m3.xlarge"
+    spot_price = "0.15"
+
+    wait_for_fulfillment = true
+    key_name = "${var.workspace_key_name}"
+    tags {
+        Name = "workspace_instance"
+    }
+
+    subnet_id = "${var.workspace_subnet_id}"
+    #vpc_security_group_ids = ["${var.workspace_security_group_id0}", "${var.workspace_security_group_id1}", "${var.workspace_security_group_id2}"]
+
+    root_block_device {
+      volume_type = "gp2"
+      volume_size = 100
+    }
+
+    provisioner "remote-exec" {
+        script = "provision.sh"
+        connection {
+          user = "ubuntu"
+        }
+    }
+}
+
+resource "aws_ebs_volume" "workspace_disk" {
+   availability_zone = "us-east-1a"
+   size = 40
+   tags {
+       Name = "workspace_disk"
+   }
+}
+
+resource "aws_volume_attachment" "workspace_ebs_att" {
+    device_name = "/dev/sdf"
+    volume_id = "${aws_ebs_volume.workspace_disk.id}"
+    instance_id = "${aws_spot_instance_request.workspace_instance.spot_instance_id}"
+}

_setup/terraform/aws-workspace/provision.sh

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+#!/bin/bash
+echo "Provisioning!"
+
+apt-get -y install git
+
+exit 0
+
+git clone https://github.com/logsearch/workspace /root/logsearch-workspace
+ cd /root/logsearch-workspace
+ _setup/runtime/install_dependancies

_setup/terraform/aws-workspace/variables.tf

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+variable "access_key" {}
+variable "secret_key" {}
+variable "workspace_key_name" {}
+variable "workspace_subnet_id" {}
+variable "workspace_security_group_id0" {}
+variable "workspace_security_group_id1" {}
+variable "workspace_security_group_id2" {}