zeployment.rb in zeployment-0.2.0

- old
+ new
@@ -1,74 +1,75 @@
 require "zeployment/version"
 require "json"
 
 module Zeployment
+  class Aws
 
-  def self.number_of_registered_instances_to_loadbalancer (name_of_load_balancer)
-    load_balancer_instances_description_hash = get_load_balancer_instances_description(name_of_load_balancer)
-    return load_balancer_instances_description_hash["InstanceStates"].length
-  end
+    def self.number_of_registered_instances_to_loadbalancer (name_of_load_balancer)
+      load_balancer_instances_description_hash = get_load_balancer_instances_description(name_of_load_balancer)
+      return load_balancer_instances_description_hash["InstanceStates"].length
+    end
 
-  def self.get_load_balancer_instances_description (name_of_load_balancer)
-    load_balancers_instance_description_command = get_load_balancers_instances_description_command (name_of_load_balancer)
-    load_balancer_instances_description = `#{load_balancers_instance_description_command}`
-    return JSON.parse(load_balancer_instances_description)
-  end
+    def self.get_load_balancer_instances_description (name_of_load_balancer)
+      load_balancers_instance_description_command = get_load_balancers_instances_description_command (name_of_load_balancer)
+      load_balancer_instances_description = `#{load_balancers_instance_description_command}`
+      return JSON.parse(load_balancer_instances_description)
+    end
 
 
-  def self.get_load_balancers_instances_description_command (name_of_load_balancer)
-    return "aws elb describe-instance-health --load-balancer-name #{name_of_load_balancer}"
-  end
+    def self.get_load_balancers_instances_description_command (name_of_load_balancer)
+      return "aws elb describe-instance-health --load-balancer-name #{name_of_load_balancer}"
+    end
 
-  def self.number_of_instances_in_service (name_of_load_balancer)
-    instances_in_service = 0
-    load_balancer_instances_description_hash = get_load_balancer_instances_description(name_of_load_balancer)
-    load_balancer_instances_description_hash["InstanceStates"].each do |instance_state|
-      if instance_state["State"] == "InService"
-        instances_in_service = instances_in_service + 1
+    def self.number_of_instances_in_service (name_of_load_balancer)
+      instances_in_service = 0
+      load_balancer_instances_description_hash = get_load_balancer_instances_description(name_of_load_balancer)
+      load_balancer_instances_description_hash["InstanceStates"].each do |instance_state|
+        if instance_state["State"] == "InService"
+          instances_in_service = instances_in_service + 1
+        end
       end
+      return instances_in_service
     end
-    return instances_in_service
-  end
 
-  def self.number_of_instances_not_in_service (name_of_load_balancer)
-    instances_not_in_service = 0
-    load_balancer_instances_description_hash = get_load_balancer_instances_description(name_of_load_balancer)
-    load_balancer_instances_description_hash["InstanceStates"].each do |instance_state|
-      if instance_state["State"] != "InService"
-        instances_not_in_service = instances_not_in_service + 1
+    def self.number_of_instances_not_in_service (name_of_load_balancer)
+      instances_not_in_service = 0
+      load_balancer_instances_description_hash = get_load_balancer_instances_description(name_of_load_balancer)
+      load_balancer_instances_description_hash["InstanceStates"].each do |instance_state|
+        if instance_state["State"] != "InService"
+          instances_not_in_service = instances_not_in_service + 1
+        end
       end
+      return instances_not_in_service
     end
-    return instances_not_in_service
-  end
 
-  def self.get_ip_address_of_ec2_from_id (instance_id)
-    instance_description_response = `#{get_ip_address_of_ec2_from_id_command(instance_id)}`
-    instance_description_hash = JSON.parse(instance_description_response)
-    ip_address = instance_description_hash["Reservations"][0]["Instances"][0]["PublicIpAddress"]
-    return ip_address
-  end
+    def self.get_ip_address_of_ec2_from_id (instance_id)
+      instance_description_response = `#{get_ip_address_of_ec2_from_id_command(instance_id)}`
+      instance_description_hash = JSON.parse(instance_description_response)
+      ip_address = instance_description_hash["Reservations"][0]["Instances"][0]["PublicIpAddress"]
+      return ip_address
+    end
 
-  def self.get_ip_address_of_ec2_from_id_command (instance_id)
-    return "aws ec2 describe-instances --instance-id #{instance_id}"
-  end
+    def self.get_ip_address_of_ec2_from_id_command (instance_id)
+      return "aws ec2 describe-instances --instance-id #{instance_id}"
+    end
 
-  def self.deregister_instance_from_load_balancer (name_of_load_balancer, instance_id)
-    JSON.parse(`aws elb deregister-instances-from-load-balancer --load-balancer-name #{name_of_load_balancer} --instances #{instance_id}`)
-  end
+    def self.deregister_instance_from_load_balancer (name_of_load_balancer, instance_id)
+      JSON.parse(`aws elb deregister-instances-from-load-balancer --load-balancer-name #{name_of_load_balancer} --instances #{instance_id}`)
+    end
 
-  def self.register_instance_with_load_balancer (name_of_load_balancer, instance_id)
-    JSON.parse(`aws elb register-instances-with-load-balancer --load-balancer-name #{name_of_load_balancer} --instances #{instance_id}`)
-  end
+    def self.register_instance_with_load_balancer (name_of_load_balancer, instance_id)
+      JSON.parse(`aws elb register-instances-with-load-balancer --load-balancer-name #{name_of_load_balancer} --instances #{instance_id}`)
+    end
 
-  def self.get_load_balancer_particular_instance_data (name_of_load_balancer, instance_id)
-    load_balancers_instance_description_command = "aws elb describe-instance-health --load-balancer-name #{name_of_load_balancer} --instances #{instance_id}"
-    load_balancer_instances_description = `#{load_balancers_instance_description_command}`
-    return JSON.parse(load_balancer_instances_description)
-  end
+    def self.get_load_balancer_particular_instance_data (name_of_load_balancer, instance_id)
+      load_balancers_instance_description_command = "aws elb describe-instance-health --load-balancer-name #{name_of_load_balancer} --instances #{instance_id}"
+      load_balancer_instances_description = `#{load_balancers_instance_description_command}`
+      return JSON.parse(load_balancer_instances_description)
+    end
 
-  def self.instance_is_in_service? (name_of_load_balancer, instance_id)
-    load_balancer_insrance_data_hash = get_load_balancer_particular_instance_data name_of_load_balancer, instance_id
-    return load_balancer_insrance_data_hash["InstanceStates"][0]["State"] == "InService"
+    def self.instance_is_in_service? (name_of_load_balancer, instance_id)
+      load_balancer_insrance_data_hash = get_load_balancer_particular_instance_data name_of_load_balancer, instance_id
+      return load_balancer_insrance_data_hash["InstanceStates"][0]["State"] == "InService"
+    end
   end
-
 end