Class: Chef::Knife::RaxClusterExpand

Inherits:
Chef::Knife show all
Includes:
RaxClusterBase
Defined in:
lib/chef/knife/rax_cluster_expand.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from RaxClusterBase

#authenticate, included, #make_web_call, #msg_pair, #populate_environment

Instance Attribute Details

#headers ⇒ Object

Returns the value of attribute headers.



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# File 'lib/chef/knife/rax_cluster_expand.rb', line 7

def headers
  @headers
end

#lb_id ⇒ Object

Returns the value of attribute lb_id.



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# File 'lib/chef/knife/rax_cluster_expand.rb', line 7

def lb_id
  @lb_id
end

#rax_endpoint ⇒ Object

Returns the value of attribute rax_endpoint.



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# File 'lib/chef/knife/rax_cluster_expand.rb', line 7

def rax_endpoint
  @rax_endpoint
end

Instance Method Details

#expand_cluster ⇒ Object 



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# File 'lib/chef/knife/rax_cluster_expand.rb', line 38

def expand_cluster
     rs_cluster = RaxClusterCreate.new
     rs_cluster.config[:blue_print]  = config[:blue_print]
     rs_cluster.lb_name = @name_args[0]
     instance_return = rs_cluster.deploy(config[:blue_print],'update_cluster')
     lb_auth = authenticate()
     puts lb_auth['auth_token']
     headers = {"x-auth-token" => lb_auth['auth_token'], "content-type" => "application/json"}
     lb_url = ""
     lb_auth['lb_urls'].each {|lb|
       if config[:lb_region].to_s.downcase ==  lb['region'].to_s.downcase
         lb_url = lb['publicURL']
         break
       end
       lb_url = lb['publicURL']
       }
     meta_data_request = {
       "metadata" => []        
     }
     node_data_request = {
       "nodes" => []
     }
     meta_url = lb_url + "/loadbalancers/#{@lb_id}/metadata"
     node_url = lb_url + "/loadbalancers/#{@lb_id}/nodes"
     
     instance_return.each {|inst|
       node_data_request['nodes'] << {"address" => inst['ip_address'], 'port' =>Chef::Config[:knife][:port] || '80', "condition" => "ENABLED" }          
       meta_data_request['metadata'] << {"key" => inst['server_name'], "value" => inst['uuid']} 
       }
     meta_request = make_web_call("post", meta_url, headers, meta_data_request.to_json)
     lb_status = lb_url + "/loadbalancers/#{@lb_id}"
     lb_stats = make_web_call("get", lb_status, headers)
     lb_stats = JSON.parse(lb_stats.body)

     while lb_stats['loadBalancer']['status'].to_s.downcase != 'active'
       sleep(5)
       lb_stats = make_web_call("get", lb_status, headers)
       lb_stats = JSON.parse(lb_stats.body)
     end
     node_request = make_web_call("post", node_url, headers, node_data_request.to_json)        
     ui.msg "Load balancer id #{@lb_id} has been updated"
     
end

#run ⇒ Object 



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# File 'lib/chef/knife/rax_cluster_expand.rb', line 82

def run
     if @name_args.empty?
       ui.fatal "Please specify Load balancer ID to add nodes too"
       exit(1)
     end
     if !config[:blue_print]
       ui.fatal "Please specify a blue print file to parse with -B"
       exit(1)
     end
     
     if config[:blue_print]
       @lb_id = @name_args[0]
       expand_cluster
     end
     
end