add new commands

backup-container-borg

@@ -0,0 +1,109 @@
+#!/usr/bin/env ruby
+require 'json'
+require 'pathname'
+require 'fileutils'
+require 'open3'
+
+LXC_PATH = Pathname.new("/data/containers")
+BACKUP_LOCATIONS = %w{home srv etc usr/local}
+CONFIG_PATH = "/etc/lxc/container.json"
+BACKUP_PATH = "/mnt/backup/borg"
+BORG_PATH = Pathname.new("/data/borg")
+PASSWORD_FILE = BORG_PATH.join("passwordfile").to_s
+KEEP_DAILY = 7
+KEEP_WEEKLY = 4
+KEEP_MONTHLY = 0
+
+def load_config
+  return JSON.load(File.open(CONFIG_PATH))
+rescue SystemCallError => e
+  abort "failed to open configuration '#{CONFIG_PATH}', #{e}"
+rescue JSON::ParserError => e
+  abort "failed to parse configuration '#{CONFIG_PATH}', #{e}"
+end
+
+def sh(cmd, env={}, *args)
+  pretty_args = args.map {|arg| "'#{arg}'"}
+  puts ([cmd] + pretty_args).join(" ")
+  system(env, cmd, *args)
+end
+
+class Container
+  def initialize(name, backup_paths, backup_scripts)
+    @name = name
+    @backup_paths = backup_paths
+    @backup_scripts = backup_scripts
+    @path = LXC_PATH.join(name, "rootfs")
+  end
+  def backup_paths
+    paths = BACKUP_LOCATIONS
+    if @backup_paths.is_a?(Array)
+      paths += @backup_paths
+    end
+    paths.map do |relative_path|
+      @path.join(relative_path)
+    end
+  end
+  def run_backup_scripts
+    if @backup_scripts.is_a?(Array)
+      @backup_scripts.map do |script|
+        backup_script(script)
+      end
+    else
+      []
+    end
+  end
+
+  private
+  def backup_script(script)
+    unless script.is_a?(Hash)
+      abort("backup-scripts: Expected an Object, got #{script.class}")
+    end
+    command = script["command"]
+    if command.nil?
+      abort("command not set for backup-scripts for container '#{@name}'")
+    end
+    backupname = script["backupname"]
+    if backupname.nil?
+      abort("backupname not set for backup-scripts for container '#{@name}'")
+    end
+    backupname = BORG_PATH.join(backupname.gsub("/", ""))
+    FileUtils.mkdir_p(backupname)
+    puts "cd #{backupname}"
+    Dir.chdir(backupname) do
+      sh(command)
+    end
+    backupname
+  end
+
+  def empty_directory?(path)
+    return false unless Dir.exists?(path)
+    return Dir.entries(path).size <= 2 # - [".", ".."]
+  end
+end
+
+config = load_config
+backup_paths = BACKUP_LOCATIONS.map do |location|
+  "/#{location}"
+end
+config["network"].each do |container, data|
+  next if data["lxc"] == false
+  container = Container.new(container, data["backup-paths"], data["backup-scripts"])
+  backup_paths += container.backup_paths
+  backup_paths += container.run_backup_scripts
+end
+
+env = { "BORG_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("borg", env, "create", "--stats", "#{BACKUP_PATH}::eve-#{now}",
+    '--compression', 'zlib,9',
+    '--exclude', '*/srv/repo',
+    '--exclude', '*/srv/deluge',
+    '--exclude', '*/home/joerg/git',
+    '--exclude', '*/home/joerg/login/git',
+    *paths)
+sh("borg", env, "prune", "-v", BACKUP_PATH,
+    "--keep-daily", KEEP_DAILY.to_s,
+    "--keep-weekly", KEEP_WEEKLY.to_s,
+    "--keep-monthly", KEEP_MONTHLY.to_s)

decrypt-zfs

@@ -34,3 +34,5 @@ mount -o bind /data/containers/login/rootfs/home/devkid /home/devkid/login
 mount -o bind /data/containers/pyload/rootfs/var/lib/pyload /data/pyload
 mount -o bind /data/pacman/pkg /var/cache/pacman/pkg
 mount -o bind /data/pacman/sync /var/lib/pacman/sync
+
+systemctl start lxc.target

lxc-gem2arch

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+if [ $EUID -ne 0 ]; then
+  echo "Must be root!" >&2
+  exit 1
+fi
+
+cd "${DIR:-/tmp}"
+lxc-attach --name login -- sudo -u aurrepo -- aurrepo --sign --verbose
+lxc-attach --name login -- sudo -u aurrepo -- gem2arch "$@" 
+lxc-attach --name login -- sudo -u aurrepo -- aurrepo --sign --verbose

package-add

@@ -4,11 +4,14 @@ if [[ "$#" < 1 ]]; then
   echo "USAGE: $0 packages..."
 fi
 
+pkgs=""
 for pkg in "$@"
 do
   cp -- "$pkg" "/data/containers/login/rootfs/var/lib/aurrepo/"
   name="$(basename $pkg)"
   lxc-attach -n login -- sudo -u aurrepo gpg --detach-sign --no-armor "/var/lib/aurrepo/$name"
-  lxc-attach -n login -- pacman -U "/var/lib/aurrepo/$name"
-  lxc-attach -n login -- sudo -u aurrepo aurrepo --sign --verbose
+  pkgs="$pkgs /var/lib/aurrepo/$name"
 done
+
+lxc-attach -n login -- pacman -U $pkgs
+lxc-attach -n login -- sudo -u aurrepo aurrepo --sign --verbose

sendmail

@@ -0,0 +1 @@
+/usr/bin/msmtp

update-motd

@@ -8,7 +8,7 @@ motd="/etc/motd"
 # $USER is automatically defined
 HOSTNAME=`uname -n`
 KERNEL=`uname -rm`
-INSTALLED_KERNEL=$(pacman -Qi linux-lts | awk '/Version/ { print $3 }')
+INSTALLED_KERNEL=$(pacman -Qi linux | awk '/Version/ { print $3 }')
 CPU=`awk -F '[ :][ :]+' '/^model name/ { print $2; exit; }' /proc/cpuinfo`
 CPU_TEMP=$(($(</sys/class/thermal/thermal_zone0/temp) / 1000))
 #CPU=`uname -p`

vim

@@ -0,0 +1 @@
+/usr/bin/nvim