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#!/usr/bin/env ruby
require 'date'
def parse_archive(archive)
# tozt-daily-2018-12-31_03:34:13-homedoypass
m = archive.match(/
\A
(?<host>[a-z]+) # tozt
-
(?<period>[a-z]+) # daily
-
(?<year>[0-9]+) # 2018
-
(?<month>[0-9]+) # 12
-
(?<day>[0-9]+) # 31
_
(?<hour>[0-9]+) # 03
:
(?<minute>[0-9]+) # 34
:
(?<second>[0-9]+) # 13
-
(?<name>[a-z_]+) # homedoypass
\z
/x)
raise "failed to parse archive name '#{archive}'" if m.nil?
parsed = m.names.zip(m.captures).to_h
parsed["time"] = Time.new(
m["year"],
m["month"],
m["day"],
m["hour"],
m["minute"],
m["second"]
)
parsed
end
archives = %x(sudo tarsnap --list-archives)
.lines
.map(&:chomp)
.map{|s| parse_archive(s)}
now = Time.now
most_recent_since = {}
archives.each do |archive|
name = archive["name"]
since = now - archive["time"]
if most_recent_since[name].nil? || since < most_recent_since[name]
most_recent_since[name] = since
end
end
stats = %x(sudo tarsnap --print-stats)
bytes = stats.chomp.match(/(\d+)\z/).to_s.to_i
most_recent_since.sort.each do |name, since|
puts "tarsnap,name=#{name} days_since_last_run=#{since.to_f / 60.0 / 60.0 / 24.0}"
end
puts "tarsnap file_size=#{bytes}i"
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