From ac8d06550a9439fa2dfd895091659868c5db4e6d Mon Sep 17 00:00:00 2001
From: Nat Welch <nat@natwelch.com>
Date: Wed, 21 Aug 2013 18:48:47 -0700
Subject: [PATCH 1/2] [google|compute] Set default zone to be one not in
 maintence.

---
 lib/fog/google/models/compute/servers.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/fog/google/models/compute/servers.rb b/lib/fog/google/models/compute/servers.rb
index 568814337..d8e91ce8c 100644
--- a/lib/fog/google/models/compute/servers.rb
+++ b/lib/fog/google/models/compute/servers.rb
@@ -49,7 +49,7 @@ module Fog
             :name => "fog-#{Time.now.to_i}",
             :image_name => "debian-7-wheezy-v20130617",
             :machine_type => "n1-standard-1",
-            :zone_name => "us-central1-a",
+            :zone_name => "us-central1-b",
             :private_key_path => File.expand_path("~/.ssh/id_rsa"),
             :public_key_path => File.expand_path("~/.ssh/id_rsa.pub"),
             :username => ENV['USER'],

From 111bd6089c00294e8e1ec357081ceef3a1600b28 Mon Sep 17 00:00:00 2001
From: Nat Welch <nat@natwelch.com>
Date: Wed, 21 Aug 2013 18:51:38 -0700
Subject: [PATCH 2/2] Add support for multiple sshkeys and downed zones.

---
 lib/fog/google/compute.rb               | 12 ++++++++++
 lib/fog/google/models/compute/server.rb | 30 +++++++++++++++++++------
 2 files changed, 35 insertions(+), 7 deletions(-)

diff --git a/lib/fog/google/compute.rb b/lib/fog/google/compute.rb
index b5bb26d8c..1646634d5 100644
--- a/lib/fog/google/compute.rb
+++ b/lib/fog/google/compute.rb
@@ -112,6 +112,18 @@ module Fog
           @default_network = 'default'
         end
 
+        # TODO: Total hack, create zone and zones model.
+        def zones
+          zones = []
+          self.list_zones.data[:body]["items"].each do |z|
+            if z["status"] == "UP"
+              zones.push z["name"]
+            end
+          end
+
+          return zones
+        end
+
         def build_result(api_method, parameters, body_object=nil)
           if body_object
             result = @client.execute(
diff --git a/lib/fog/google/models/compute/server.rb b/lib/fog/google/models/compute/server.rb
index 1b15dd4ce..768109ad4 100644
--- a/lib/fog/google/models/compute/server.rb
+++ b/lib/fog/google/models/compute/server.rb
@@ -67,6 +67,23 @@ module Fog
           end
         end
 
+        def add_ssh_key username, key
+          if self.metadata.nil?
+            self.metadata = Hash.new("")
+          end
+
+          # You can have multiple SSH keys, seperated by newlines.
+          # https://developers.google.com/compute/docs/console?hl=en#sshkeys
+          if !self.metadata["sshKeys"].empty?
+            self.metadata["sshKeys"] += "\n"
+          end
+
+          self.metadata["sshKeys"] += "#{username}:#{key.strip}"
+
+          return self.metadata
+        end
+
+
         def reload
           data = service.get_server(self.name, self.zone).body
           self.merge_attributes(data)
@@ -77,13 +94,11 @@ module Fog
           requires :machine_type
           requires :zone_name
 
-          if self.metadata.nil?
-            self.metadata = {}
+          if not service.zones.include? self.zone_name
+            raise ArgumentError.new "#{self.zone_name.inspect} is either down or you don't have permission to use it."
           end
 
-          self.metadata.merge!({
-            "sshKeys" => "#{username}:#{public_key.strip}"
-          }) if public_key
+          self.add_ssh_key(self.username, self.public_key) if self.public_key
 
           options = {
               'image' => image_name,
@@ -94,10 +109,11 @@ module Fog
               'disks' => disks,
               'kernel' => kernel,
               'metadata' => metadata
-          }
-          options.delete_if {|key, value| value.nil?}
+          }.delete_if {|key, value| value.nil?}
+
           service.insert_server(name, zone_name, options)
           data = service.backoff_if_unfound {service.get_server(self.name, self.zone_name).body}
+
           service.servers.merge_attributes(data)
         end