Class: ZAWS::EC2Services::Elasticip

Inherits:
Object
  • Object
show all
Defined in:
lib/zaws/ec2/elasticip.rb

Instance Method Summary collapse

Constructor Details

#initialize(shellout, aws) ⇒ Elasticip

Returns a new instance of Elasticip.



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# File 'lib/zaws/ec2/elasticip.rb', line 9

def initialize(shellout,aws)
		@shellout=shellout
		@aws=aws
end

Instance Method Details

#assoc_exists(region, externalid, textout = nil, verbose = nil, vpcid = nil) ⇒ Object 



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# File 'lib/zaws/ec2/elasticip.rb', line 26

def assoc_exists(region,externalid,textout=nil,verbose=nil,vpcid=nil)
		val,instance_id,sgroups=@aws.ec2.compute.exists(region,nil,verbose,vpcid,externalid)
		if val
 addresses=JSON.parse(view(region,'json',nil,verbose,vpcid,instance_id))
 addressassoc=(addresses["Addresses"] and (addresses["Addresses"].count == 1))
 associationid= (addressassoc and addresses["Addresses"][0]["AssociationId"]) ? addresses["Addresses"][0]["AssociationId"]:nil
 allocationid= (addressassoc and addresses["Addresses"][0]["AllocationId"]) ? addresses["Addresses"][0]["AllocationId"]:nil
 ip= (addressassoc and addresses["Addresses"][0]["PublicIp"]) ? addresses["Addresses"][0]["PublicIp"]:nil
 textout.puts addressassoc if textout
 return addressassoc,instance_id,associationid,allocationid,ip
		else
 textout.puts addressassoc if textout
 return false,nil,nil,nil,nil
		end
end

#declare(region, externalid, textout = nil, verbose = nil, vpcid = nil, nagios = nil, ufile = nil) ⇒ Object 



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# File 'lib/zaws/ec2/elasticip.rb', line 42

def declare(region,externalid,textout=nil,verbose=nil,vpcid=nil,nagios=nil,ufile=nil)
     if ufile
       ZAWS::Helper::ZFile.prepend("zaws elasticip release #{externalid} --region #{region} --vpcid #{vpcid} $XTRA_OPTS",'#Release elastic ip.',ufile)
		end
     elasticip_exists,instance_id,association_id,allocation_id,ip=assoc_exists(region,externalid,nil,verbose,vpcid)
		return ZAWS::Helper::Output.binary_nagios_check(elasticip_exists,"OK: Elastic Ip exists.","CRITICAL: Elastic Ip DOES NOT EXIST.",textout) if nagios
		if not elasticip_exists and instance_id 
 comline="aws --region #{region} ec2 allocate-address --domain vpc"
 allocation=JSON.parse(@shellout.cli(comline,verbose))
 if allocation["AllocationId"]
comline="aws --region #{region} ec2 associate-address --instance-id #{instance_id} --allocation-id #{allocation["AllocationId"]}"
association=JSON.parse(@shellout.cli(comline,verbose))
textout.puts "New elastic ip associated to instance." if association["return"] == "true"
 end
		else
 textout.puts "instance already has an elastic ip. Skipping creation."
		end
end

#release(region, externalid, textout = nil, verbose = nil, vpcid = nil) ⇒ Object 



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# File 'lib/zaws/ec2/elasticip.rb', line 61

def release(region,externalid,textout=nil,verbose=nil,vpcid=nil)
		elasticip_exists,instance_id,association_id,allocation_id,ip=assoc_exists(region,externalid,nil,verbose,vpcid)
		if elasticip_exists and association_id and allocation_id
 comline="aws --region #{region} ec2 disassociate-address --association-id #{association_id}"
 disassociation=JSON.parse(@shellout.cli(comline,verbose))
 if disassociation["return"]=="true"
comline="aws --region #{region} ec2 release-address --allocation-id #{allocation_id}"
release=JSON.parse(@shellout.cli(comline,verbose))
textout.puts "Deleted elasticip." if release["return"] == "true"
 end
		else
 textout.puts "Elasticip does not exist. Skipping deletion."
		end
end

#view(region, view, textout = nil, verbose = nil, vpcid = nil, instanceid = nil) ⇒ Object 



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# File 'lib/zaws/ec2/elasticip.rb', line 14

def view(region,view,textout=nil,verbose=nil,vpcid=nil,instanceid=nil)
		comline="aws --output #{view} --region #{region} ec2 describe-addresses"
		if vpcid 
 comline = comline + " --filter"
		end
		comline = comline + " 'Name=domain,Values=vpc'" if vpcid 
		comline = comline + " 'Name=instance-id,Values=#{instanceid}'" if instanceid 
		rtables=@shellout.cli(comline,verbose)
		textout.puts(rtables) if textout
		return rtables
end