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backup-container: replace duplicity with attic

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root 2015-02-26 09:15:07 +00:00
parent c67d07eaf0
commit 1d71efbc49
1 changed files with 25 additions and 37 deletions
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56
backup-container
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@ -4,12 +4,15 @@ require 'pathname'
require 'fileutils' require 'fileutils'
require 'open3' require 'open3'
LXC_PATH=Pathname.new("/data/containers") LXC_PATH = Pathname.new("/data/containers")
BACKUP_LOCATIONS = %w{home srv etc usr/local} BACKUP_LOCATIONS = %w{home srv etc usr/local}
CONFIG_PATH="/etc/lxc/container.json" CONFIG_PATH = "/etc/lxc/container.json"
DUPLICITY_PATH= Pathname.new("/data/duplicity/") BACKUP_PATH = "/mnt/backup/attic"
BACKUP_PATH="file:///mnt/backup/duplicity" ATTIC_PATH = Pathname.new("/data/attic")
FULL_BACKUP_COUNT=1 PASSWORD_FILE = ATTIC_PATH.join("passwordfile").to_s
KEEP_DAILY = 7
KEEP_WEEKLY = 4
KEEP_MONTHLY = 0
def load_config def load_config
return JSON.load(File.open(CONFIG_PATH)) return JSON.load(File.open(CONFIG_PATH))
@ -64,7 +67,7 @@ class Container
if backupname.nil? if backupname.nil?
abort("backupname not set for backup-scripts for container '#{@name}'") abort("backupname not set for backup-scripts for container '#{@name}'")
end end
backupname = DUPLICITY_PATH.join(backupname.gsub("/", "")) backupname = ATTIC_PATH.join(backupname.gsub("/", ""))
FileUtils.mkdir_p(backupname) FileUtils.mkdir_p(backupname)
puts "cd #{backupname}" puts "cd #{backupname}"
Dir.chdir(backupname) do Dir.chdir(backupname) do
@ -79,37 +82,22 @@ class Container
end end
end end
Dir.chdir(DUPLICITY_PATH) do config = load_config
config = load_config backup_paths = BACKUP_LOCATIONS.map do |location|
backup_paths = BACKUP_LOCATIONS.map do |location|
"/#{location}" "/#{location}"
end end
config["network"].each do |container, data| config["network"].each do |container, data|
next if data["lxc"] == false next if data["lxc"] == false
container = Container.new(container, data["backup-paths"], data["backup-scripts"]) container = Container.new(container, data["backup-paths"], data["backup-scripts"])
backup_paths += container.backup_paths backup_paths += container.backup_paths
backup_paths += container.run_backup_scripts backup_paths += container.run_backup_scripts
end
gpg_args = ["--sign-key", "AF5834A6", "--encrypt-key", "AF5834A6", "--gpg-options", "--secret-keyring ./duplicity.sec --keyring ./duplicity.pub"]
args = ["--archive-dir", "cache", "--log-file", "/var/log/duplicity.log"] + gpg_args
backup_args = args + ["--verbosity", "notice",
"--full-if-older-than", "30D",
"--num-retries", "3",
"--asynchronous-upload",
"--volsize", "250",
"--include-globbing-filelist", "/dev/stdin", "--exclude", "**",
"/", BACKUP_PATH]
env = { "PASSPHRASE" => File.read("pgp-passphrase") }
sh("find", "cache", "-type", "f", "-name", "lockfile.lock", "-exec", "rm -f {} ;")
sh("duplicity", env, "cleanup", "--force", BACKUP_PATH, *args)
stdin, stdout, stderr = Open3.popen3(env, "duplicity", *backup_args)
backup_paths.each do |path|
stdin.puts(path)
puts(path)
end
stdin.close
puts stdout.read
puts stderr.read
sh("duplicity", env, "remove-older-than", "30D", "--force", BACKUP_PATH, *args)
sh("duplicity", env, "remove-all-inc-of-but-n-full", FULL_BACKUP_COUNT.to_s, "--force", BACKUP_PATH, *args)
end end
env = { "ATTIC_PASSPHRASE" => File.read(PASSWORD_FILE).chomp }
now = Time.now.strftime("%Y-%m-%d-%H:%M:%S")
paths = backup_paths.map {|path| path.to_s }
sh("attic", env, "create", "--stats", "#{BACKUP_PATH}::eve-#{now}", *paths)
sh("attic", env, "prune", "-v", BACKUP_PATH,
"--keep-daily", KEEP_DAILY.to_s,
"--keep-weekly", KEEP_WEEKLY.to_s,
"--keep-monthly", KEEP_MONTHLY.to_s)