Added aws dependency and renamed directories

rename gce to aws

rename gce to aws

rename gce to aws

create_vm method implimented

create_vm method connected to ec2

setup tags properly, and retireve then in get_vm

begin disk and snapshop, but we dont have perms

add specs for get_vm and vms_in_pool

add spec for create_vm

add spec for destroy_vm

update readme
add a new class lib/vmpooler/aws_setup.rb to do the provisioning of nodes
adding spec tests
adding net:ssh lib for the provisioning of nodes

adding option to provision vm once ready

fix aws_setup

setup of nodes once running

lib/vmpooler/aws_setup.rb

@@ -0,0 +1,109 @@
+require 'net/ssh'
+# This class connects to existing running VMs via NET:SSH
+# it uses a local key to do so and then setup SSHD on the hosts to enable
+# dev and CI users to connect.
+module Vmpooler
+  class PoolManager
+    class AwsSetup
+      ROOT_KEYS_SCRIPT = ENV["ROOT_KEYS_SCRIPT"]
+      ROOT_KEYS_SYNC_CMD = "curl -k -o - -L #{ROOT_KEYS_SCRIPT} | %s"
+
+      def self.setup_node_by_ssh(host, platform)
+        @key_file = ENV["KEY_FILE_LOCATION"] || '/app/abs/.ssh/abs-aws-ec2.rsa'
+        conn = check_ssh_accepting_connections(host, platform)
+        configure_host(host, platform, conn)
+      end
+
+      # For an Amazon Linux AMI, the user name is ec2-user.
+      #
+      #     For a Centos AMI, the user name is centos.
+      #
+      #     For a Debian AMI, the user name is admin or root.
+      #
+      #     For a Fedora AMI, the user name is ec2-user or fedora.
+      #
+      #     For a RHEL AMI, the user name is ec2-user or root.
+      #
+      #     For a SUSE AMI, the user name is ec2-user or root.
+      #
+      #     For an Ubuntu AMI, the user name is ubuntu.
+
+      def self.get_user(platform)
+        if platform =~ /centos/
+          user = 'centos'
+        elsif platform =~ /ubuntu/
+          user = 'ubuntu'
+        elsif platform =~ /debian/
+          user = 'root'
+        else
+          user = 'ec2-user'
+        end
+        user
+      end
+
+      def self.check_ssh_accepting_connections(host, platform)
+        retries = 0
+        begin
+          user = get_user(platform)
+          netssh_jruby_workaround
+          conn = Net::SSH.start(host, user, :keys => @key_file, :timeout => 10)
+          return conn
+        rescue Net::SSH::ConnectionTimeout, Errno::ECONNREFUSED => err
+          puts "Requested instances do not have sshd ready yet, try again: #{err}"
+          sleep 1
+          retry if (retries += 1) < 300
+        end
+      end
+
+      # Configure the aws host by enabling root and setting the hostname
+      # @param host [String] the internal dns name of the instance
+      def self.configure_host(host, platform, ssh)
+        ssh.exec!('sudo cp -r .ssh /root/.')
+        ssh.exec!("sudo sed -ri 's/^#?PermitRootLogin.*/PermitRootLogin yes/' /etc/ssh/sshd_config")
+        ssh.exec!("sudo hostname #{host}")
+        if platform =~ /amazon/
+          # Amazon Linux requires this to preserve host name changes across reboots.
+          ssh.exec!("sudo sed -ie '/^HOSTNAME/ s/=.*/=#{host}/' /etc/sysconfig/network")
+        end
+        restart_sshd(host, platform, ssh)
+        sync_root_keys(host, platform)
+      end
+
+      def self.restart_sshd(host, platform, ssh)
+        ssh.open_channel do |channel|
+          channel.request_pty do |ch, success|
+            raise "can't get pty request" unless success
+            if platform =~ /centos|el-|redhat|fedora|eos|amazon/
+              ch.exec('sudo -E /sbin/service sshd reload')
+            elsif platform =~ /debian|ubuntu|cumulus/
+              ch.exec('sudo su -c \"service sshd restart\"')
+            elsif platform =~ /arch|centos-7|el-7|redhat-7|fedora-(1[4-9]|2[0-9])/
+              ch.exec('sudo -E systemctl restart sshd.service')
+            else
+              services.logger.error("Attempting to update ssh on non-supported platform: #{host}: #{platform}")
+            end
+          end
+        end
+        ssh.loop
+      end
+
+      def self.sync_root_keys(host, platform)
+        unless ROOT_KEYS_SCRIPT.nil?
+          user = "root"
+          netssh_jruby_workaround
+          Net::SSH.start(host, user, :keys => @key_file) do |ssh|
+            ssh.exec!(ROOT_KEYS_SYNC_CMD % "env PATH=\"/usr/gnu/bin:$PATH\" bash")
+          end
+        end
+      end
+
+      # issue when using net ssh 6.1.0 with jruby
+      # https://github.com/jruby/jruby-openssl/issues/105
+      # this will turn off some algos that match /^ecd(sa|h)-sha2/
+      def self.netssh_jruby_workaround
+        Net::SSH::Transport::Algorithms::ALGORITHMS.values.each { |algs| algs.reject! { |a| a =~ /^ecd(sa|h)-sha2/ } }
+        Net::SSH::KnownHosts::SUPPORTED_TYPE.reject! { |t| t =~ /^ecd(sa|h)-sha2/ }
+      end
+    end
+  end
+end