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# Copyright 2011-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
require 'time'
module AWS
class AutoScaling
class ScheduledActionCollection
include Core::Collection::WithLimitAndNextToken
# @api private
def initialize options = {}
@filters = options[:filters] || {}
super
end
# Creates a scheduled scaling action for an Auto Scaling group.
# If you leave a parameter unspecified, the corresponding attribute
# remains unchanged in the group.
#
# You must specify an Auto Scaling group. This can be implicit
# or explicit:
#
# # given explicitly
# auto_scaling.scheduled_actions.create('action-name', :group => 'group-name')
#
# # implied by the group
# group = auto_scaling.groups.first
# group.scheduled_actions.create('action-name')
#
# @param [String] name
#
# @param [Hash] options
#
# @option options [Group,String] :group
#
# @option options [Integer] :desired_capacity
#
# @option options [Integer] :max_size
#
# @option options [Integer] :min_size
#
# @option options [String] :recurrence
#
# @option options [Time] :start_time
#
# @option options [Time] :end_time
#
# @return [ScheduledAction]
#
def create name, options = {}
group = auto_scaling_group(options)
scheduled_action = ScheduledAction.new(group, name,
:auto_scaling_group_name => group.name,
:config => config)
scheduled_action.update(options)
scheduled_action
end
alias_method :put, :create
# @param [String] name The name of the scheduled action.
# @return [ScheduledAction]
def [] name
if group_name = @filters[:auto_scaling_group_name]
group = Group.new(group_name, :config => config)
ScheduledAction.new(group, name)
else
msg = 'uou must filter this collection by a group to get a ' +
'scheduled action by name'
raise msg
end
end
# Returns a new {ScheduledActionCollection} filtered
# by the given options.
#
# auto_scaling.scheduled_actions.filter(:end_time => Time.now).each do |a|
# # ...
# end
#
# You can chain filter calls:
#
# actions = auto_scaling.scheduled_actions.
# filter(:group => 'auto-scaling-group-name').
# filter(:start_time => Time.now - 3600).
# filter(:end_time => Time.now)
#
# actions.each {|scheduled_action| ... }
#
# @param [Hash] filters
#
# @option filters [Group,String] :group
#
# @option filters [Array<String>] :scheduled_actions
# A list of scheduled actions to be described. If this list is
# omitted, all scheduled actions are described. The list of
# requested scheduled actions cannot contain more than 50 items.
# If an Auto Scaling group name is provided,
# the results are limited to that group. If unknown scheduled
# actions are requested, they are ignored with no error.
#
# @option options [Time,String] :start_time The earliest scheduled
# start time to return. If `:scheduled_actions` is provided,
# this field will be ignored. Should be a Time object or
# an iso8601 string.
#
# @option filters [Time,String] :end_time
#
# @return [ScheduledActionCollection] Returns a scheduled action
# collection that will filter the actions returned by the
# given criteria.
#
def filter filters = {}
init_opts = {}
init_opts[:config] = config
init_opts[:filters] = @filters
init_opts[:filters].merge!(filter_opts(filters))
ScheduledActionCollection.new(init_opts)
end
protected
def auto_scaling_group(options)
group = options.delete(:group)
group ||= @filters[:auto_scaling_group_name]
group = Group.new(group, :config => config) if group.is_a?(String)
unless group
raise ArgumentError, 'missing required option :group'
end
group
end
def filter_opts options
opts = {}
if g = options[:group]
opts[:auto_scaling_group_name] = g.is_a?(Group) ? g.name : g
end
if actions = options[:scheduled_actions]
opts[:scheduled_action_names] = actions
end
[:end_time, :start_time].each do |opt|
if options[opt].is_a?(Time)
opts[opt] = options[opt].iso8601
end
end
opts
end
def _each_item next_token, limit, options = {}, &block
options[:next_token] = next_token if next_token
options[:max_records] = limit if limit
resp = client.describe_scheduled_actions(options.merge(@filters))
resp.scheduled_update_group_actions.each do |details|
group = Group.new(details[:auto_scaling_group_name], :config => config)
scheduled_action = ScheduledAction.new_from(
:describe_scheduled_actions,
details,
group,
details.scheduled_action_name,
:config => config)
yield(scheduled_action)
end
resp.data[:next_token]
end
end
end
end
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