Class: Ufo::Docker::Cleaner
- Inherits:
-
Object
- Object
- Ufo::Docker::Cleaner
show all
- Includes:
- Util
- Defined in:
- lib/ufo/docker/cleaner.rb
Instance Method Summary
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Methods included from Util
#default_cluster, #display_params, #execute, #pretty_time, #settings, #task_definition_arns, #user_params
Constructor Details
#initialize(docker_image_name, options) ⇒ Cleaner
Returns a new instance of Cleaner.
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# File 'lib/ufo/docker/cleaner.rb', line 5
def initialize(docker_image_name, options)
@docker_image_name = docker_image_name
@options = options
@keep = options[:keep] || settings[:clean_keep] || 3
@tag_prefix = options[:tag_prefix] || "ufo"
end
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Instance Method Details
#cleanup ⇒ Object
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# File 'lib/ufo/docker/cleaner.rb', line 14
def cleanup
return if delete_list.empty?
command = "docker rmi #{delete_list}"
say "Cleaning up docker images...".color(:green)
say "=> #{"docker rmi #{delete_list}"}".color(:green)
return if @options[:noop]
execute(command, use_system: false) end
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#delete_list ⇒ Object
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# File 'lib/ufo/docker/cleaner.rb', line 23
def delete_list
return [] if ENV['TEST']
return @delete_list if @delete_list
out = execute("docker images")
name_regexp = Regexp.new(@docker_image_name)
tag_string = "#{@tag_prefix}-\\d{4}-\\d{2}-\\d{2}T\\d{2}-\\d{2}-\\d{2}-.{7}"
tag_regexp = Regexp.new(tag_string)
filtered_out = out.split("\n").select do |line|
name,tag = line.split(' ')
name =~ name_regexp && tag =~ tag_regexp
end
tags = filtered_out.map { |l| l.split(' ')[1] } tags = tags.sort.reverse delete_tags = tags[@keep..-1]
if delete_tags.nil?
@delete_list = []
else
@delete_list = delete_tags.map { |t| "#{@docker_image_name}:#{t}" }.join(' ')
end
end
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#say(msg) ⇒ Object
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# File 'lib/ufo/docker/cleaner.rb', line 48
def say(msg)
msg = "NOOP #{msg}" if @options[:noop]
puts msg unless @options[:mute]
end
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