Class: ZAWS::Services::EC2::Elasticip

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

Instance Method Summary collapse

Constructor Details

#initialize(shellout, aws, undofile) ⇒ Elasticip

Returns a new instance of Elasticip.



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# File 'lib/zaws/services/ec2/elasticip.rb', line 10

def initialize(shellout, aws,undofile)
  @shellout=shellout
  @aws=aws
  @undofile=undofile
  @undofile ||= ZAWS::Helper::ZFile.new
end

Instance Method Details

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



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# File 'lib/zaws/services/ec2/elasticip.rb', line 29

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.to_s if textout
    return addressassoc, instance_id, associationid, allocationid, ip
  else
    textout.puts addressassoc.to_s if textout
    return false, nil, nil, nil, nil
  end
end

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



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# File 'lib/zaws/services/ec2/elasticip.rb', line 45

def declare(region, externalid, textout=nil, verbose=nil, vpcid=nil, check=nil, ufile=nil)
  if ufile
    @undofile.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 check
  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))
      ZAWS::Helper::Output.out_change(textout, "New elastic ip associated to instance.") if association["AssociationId"]
    end
  else
    ZAWS::Helper::Output.out_no_op(textout, "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/services/ec2/elasticip.rb', line 64

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))
      ZAWS::Helper::Output.out_change(textout, "Deleted elasticip.") if release["return"] == "true"
    end
  else
    ZAWS::Helper::Output.out_no_op(textout, "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/services/ec2/elasticip.rb', line 17

def view(region, view, textout=nil, verbose=nil, vpcid=nil, instanceid=nil)
  comline="aws --output #{view} --region #{region} ec2 describe-addresses"
  if vpcid or instanceid
    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.to_s) if textout
  return rtables
end