Class: StackMate::CloudStackVMSnapshot

Inherits:
CloudStackResource show all
Includes:
Intrinsic, Logging, Resolver
Defined in:
lib/stackmate/participants/cloudstack_vmsnapshot.rb

Constant Summary

Constants included from Resolver

Resolver::INTEXP, Resolver::STRINGEXP, Resolver::UUIDEXP

Instance Attribute Summary

Attributes inherited from CloudStackResource

#name

Instance Method Summary collapse

Methods included from Resolver

#get_named_tag, #get_resolved, #recursive_resolve, #resolve_tags, #resolve_to_deviceid, #validate_param

Methods included from Intrinsic

#fn_base64, #fn_getatt, #fn_join, #fn_lookup, #fn_map, #fn_ref, #fn_select, #intrinsic

Methods included from Logging

configure_logger_for, #logger, logger_for

Methods inherited from CloudStackResource

#initialize, #set_metadata

Constructor Details

This class inherits a constructor from StackMate::CloudStackResource

Instance Method Details

#create ⇒ Object 



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# File 'lib/stackmate/participants/cloudstack_vmsnapshot.rb', line 9

def create
  logger.debug("Creating resource #{@name}")
  workitem[@name] = {}
  name_cs = workitem['StackName'] + '-' + @name
  args={}
  begin
    args['virtualmachineid'] = get_virtualmachineid
    args['description'] = get_description if @props.has_key?('description')
    args['snapshotmemory'] = get_snapshotmemory if @props.has_key?('snapshotmemory')
    args['name'] = workitem['StackName'] +'-' +get_name if @props.has_key?('name')

    logger.info("Creating resource #{@name} with following arguments")
    p args
    result_obj = make_async_request('createVMSnapshot',args)
    resource_obj = result_obj['VMSnapshot'.downcase]

    #doing it this way since it is easier to change later, rather than cloning whole object
    resource_obj.each_key do |k|
      val = resource_obj[k]
      if('id'.eql?(k))
        k = 'physical_id'
      end
      workitem[@name][k] = val
    end
    set_tags(@props['tags'],workitem[@name]['physical_id'],"VMSnapshot") if @props.has_key?('tags')
    set_metadata if workitem['Resources'][@name].has_key?('Metadata')
    workitem['ResolvedNames'][@name] = name_cs
    workitem['IdMap'][workitem[@name]['physical_id']] = @name
  
  rescue NoMethodError => nme
    logger.error("Create request failed for resource . Cleaning up the stack")
    raise nme
  rescue Exception => e
    logger.error(e.message)
    raise e
  end
  
end

#delete ⇒ Object 



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# File 'lib/stackmate/participants/cloudstack_vmsnapshot.rb', line 48

def delete
  logger.debug("Deleting resource #{@name}")
  begin
    physical_id = workitem[@name]['physical_id'] if !workitem[@name].nil?
    if(!physical_id.nil?)
      args = {'vmsnapshotid' => physical_id
            }
      result_obj = make_async_request('deleteVMSnapshot',args)
      if (!(result_obj['error'] == true))
        logger.info("Successfully deleted resource #{@name}")
      else
        workitem[@name]['delete_error'] = true
        logger.info("CloudStack error while deleting resource #{@name}")
      end
    else
      logger.info("Resource  not created in CloudStack. Skipping delete...")
    end
  rescue Exception => e
    logger.error("Unable to delete resorce #{@name}")
  end
end

#get_description ⇒ Object 



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# File 'lib/stackmate/participants/cloudstack_vmsnapshot.rb', line 91

def get_description
  resolved_description = get_resolved(@props['description'],workitem)
  if resolved_description.nil? || !validate_param(resolved_description,"string")
    raise "Malformed optional parameter description for resource #{@name}"
  end
  resolved_description
end

#get_name ⇒ Object 



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# File 'lib/stackmate/participants/cloudstack_vmsnapshot.rb', line 107

def get_name
  resolved_name = get_resolved(@props['name'],workitem)
  if resolved_name.nil? || !validate_param(resolved_name,"string")
    raise "Malformed optional parameter name for resource #{@name}"
  end
  resolved_name
end

#get_snapshotmemory ⇒ Object 



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# File 'lib/stackmate/participants/cloudstack_vmsnapshot.rb', line 99

def get_snapshotmemory
  resolved_snapshotmemory = get_resolved(@props['snapshotmemory'],workitem)
  if resolved_snapshotmemory.nil? || !validate_param(resolved_snapshotmemory,"boolean")
    raise "Malformed optional parameter snapshotmemory for resource #{@name}"
  end
  resolved_snapshotmemory
end

#get_virtualmachineid ⇒ Object 



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# File 'lib/stackmate/participants/cloudstack_vmsnapshot.rb', line 83

def get_virtualmachineid
  resolved_virtualmachineid = get_resolved(@props["virtualmachineid"],workitem)
  if resolved_virtualmachineid.nil? || !validate_param(resolved_virtualmachineid,"uuid")
    raise "Missing mandatory parameter virtualmachineid for resource #{@name}"
  end
  resolved_virtualmachineid
end

#on_workitem ⇒ Object 



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# File 'lib/stackmate/participants/cloudstack_vmsnapshot.rb', line 70

def on_workitem
  @name = workitem.participant_name
  @props = workitem['Resources'][@name]['Properties']
  @props.downcase_key
  @resolved_names = workitem['ResolvedNames']
  if workitem['params']['operation'] == 'create'
    create
  else
    delete
  end
  reply
end