153 lines
3.6 KiB
Ruby
Executable File
153 lines
3.6 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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# Vitastor OpenNebula driver
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# Copyright (c) Vitaliy Filippov, 2024+
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# License: Apache-2.0 http://www.apache.org/licenses/LICENSE-2.0
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ONE_LOCATION = ENV['ONE_LOCATION']
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LIVE = ENV['LIVE']
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if !ONE_LOCATION
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RUBY_LIB_LOCATION = '/usr/lib/one/ruby'
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GEMS_LOCATION = '/usr/share/one/gems'
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VMDIR = '/var/lib/one'
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CONFIG_FILE = '/var/lib/one/config'
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else
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RUBY_LIB_LOCATION = ONE_LOCATION + '/lib/ruby'
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GEMS_LOCATION = ONE_LOCATION + '/share/gems'
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VMDIR = ONE_LOCATION + '/var'
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CONFIG_FILE = ONE_LOCATION + '/var/config'
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end
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# %%RUBYGEMS_SETUP_BEGIN%%
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if File.directory?(GEMS_LOCATION)
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real_gems_path = File.realpath(GEMS_LOCATION)
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if !defined?(Gem) || Gem.path != [real_gems_path]
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$LOAD_PATH.reject! {|l| l =~ /vendor_ruby/ }
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# Suppress warnings from Rubygems
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# https://github.com/OpenNebula/one/issues/5379
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begin
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verb = $VERBOSE
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$VERBOSE = nil
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require 'rubygems'
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Gem.use_paths(real_gems_path)
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ensure
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$VERBOSE = verb
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end
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end
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end
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# %%RUBYGEMS_SETUP_END%%
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$LOAD_PATH << RUBY_LIB_LOCATION
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require 'rexml/document'
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require_relative '../lib/tm_action'
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require_relative '../lib/kvm'
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require_relative '../lib/datastore'
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if LIVE
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# TODO: fsfreeze for each hypervisor based on VM_MAD
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include TransferManager::KVM
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end
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#-------------------------------------------------------------------------------
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# BACKUP tm_mad host:remote_dir DISK_ID:...:DISK_ID deploy_id bjid vmid dsid
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#-------------------------------------------------------------------------------
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TransferManager::Datastore.load_env
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vm_xml = STDIN.read
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dir = ARGV[0].split ':'
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disks = ARGV[1].split ':'
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deploy_id = ARGV[2]
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_bjid = ARGV[3]
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vmid = ARGV[4]
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_dsid = ARGV[5]
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rhost = dir[0]
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rdir = dir[1]
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xml_doc = REXML::Document.new(vm_xml)
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vm = xml_doc.root
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ds = TransferManager::Datastore.from_vm_backup_ds(:vm_xml => vm_xml)
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base_path = ENV['BACKUP_BASE_PATH']
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bck_dir = if base_path
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"#{base_path}/#{vmid}/backup"
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else
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"#{rdir}/backup"
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end
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snap_cmd = ''
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expo_cmd = ''
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clup_cmd = ''
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vm.elements.each 'TEMPLATE/DISK' do |d|
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did = d.elements['DISK_ID'].text
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next unless disks.include? did
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src = d.elements['SOURCE'].text
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clon = d.elements['CLONE'].text
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src_image = if clon == 'NO' then src else "#{src}-#{vmid}-#{did}" end
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cmd = 'vitastor-cli'
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qemu_arg = ''
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if d.elements['VITASTOR_CONF']
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cmd = cmd + ' --config_path ' + d.elements['VITASTOR_CONF']
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qemu_arg += 'config_path='+d.elements['VITASTOR_CONF']+':'
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end
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draw = "#{bck_dir}/disk.#{did}.raw"
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ddst = "#{bck_dir}/disk.#{did}.0"
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expo_cmd << ds.cmd_confinement("qemu-img convert -m 4 -O qcow2 'vitastor:#{qemu_arg}image=#{src_image}' #{ddst}\n", rdir)
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clup_cmd << "rm -f #{draw}\n"
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rescue StandardError => e
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STDERR.puts "Missing configuration attributes in DISK: #{e.message}"
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exit(1)
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end
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if LIVE
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freeze, thaw = fsfreeze(vm, deploy_id)
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end
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script = <<~EOS
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set -ex -o pipefail
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# Prepare backup folder
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[ -d #{bck_dir} ] && rm -rf #{bck_dir}
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mkdir -p #{bck_dir}
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echo "#{Base64.encode64(vm_xml)}" > #{bck_dir}/vm.xml
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#{freeze}
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#{snap_cmd}
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#{thaw}
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#{expo_cmd}
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#{clup_cmd}
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EOS
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rc = TransferManager::Action.ssh('prebackup_live',
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:host => rhost,
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:cmds => script,
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:nostdout => false,
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:nostderr => false
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)
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if rc.code != 0
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STDERR.puts "Error preparing disk files: #{rc.stdout} #{rc.stderr}"
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end
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exit(rc.code)
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