Files
xen-orchestra/@xen-orchestra/backups/_DisasterRecoveryWriter.js

86 lines
2.5 KiB
JavaScript

const ignoreErrors = require('promise-toolbox/ignoreErrors')
const { asyncMapSettled } = require('@xen-orchestra/async-map')
const { formatDateTime } = require('@xen-orchestra/xapi')
const { formatFilenameDate } = require('./_filenameDate')
const { getOldEntries } = require('./_getOldEntries')
const { listReplicatedVms } = require('./_listReplicatedVms')
const { Task } = require('./Task')
exports.DisasterRecoveryWriter = class DisasterRecoveryWriter {
constructor(backup, sr, settings) {
this._backup = backup
this._settings = settings
this._sr = sr
this.run = Task.wrapFn(
{
name: 'export',
data: {
id: sr.uuid,
type: 'SR',
// necessary?
isFull: true,
},
},
this.run
)
}
async run({ timestamp, sizeContainer, stream }) {
const sr = this._sr
const settings = this._settings
const { job, scheduleId, vm } = this._backup
const { uuid: srUuid, $xapi: xapi } = sr
// delete previous interrupted copies
ignoreErrors.call(
asyncMapSettled(listReplicatedVms(xapi, scheduleId, undefined, vm.uuid), vm => xapi.VM_destroy(vm.$ref))
)
const oldVms = getOldEntries(settings.copyRetention - 1, listReplicatedVms(xapi, scheduleId, srUuid, vm.uuid))
const deleteOldBackups = () => asyncMapSettled(oldVms, vm => xapi.VM_destroy(vm.$ref))
const { deleteFirst } = settings
if (deleteFirst) {
await deleteOldBackups()
}
let targetVmRef
await Task.run({ name: 'transfer' }, async () => {
targetVmRef = await xapi.VM_import(stream, sr.$ref, vm =>
Promise.all([
vm.add_tags('Disaster Recovery'),
vm.ha_restart_priority !== '' && Promise.all([vm.set_ha_restart_priority(''), vm.add_tags('HA disabled')]),
vm.set_name_label(`${vm.name_label} - ${job.name} - (${formatFilenameDate(timestamp)})`),
])
)
return { size: sizeContainer.size }
})
const targetVm = await xapi.getRecord('VM', targetVmRef)
await Promise.all([
targetVm.update_blocked_operations(
'start',
'Start operation for this vm is blocked, clone it if you want to use it.'
),
targetVm.update_other_config({
'xo:backup:sr': srUuid,
// these entries need to be added in case of offline backup
'xo:backup:datetime': formatDateTime(timestamp),
'xo:backup:job': job.id,
'xo:backup:schedule': scheduleId,
'xo:backup:vm': vm.uuid,
}),
])
if (!deleteFirst) {
await deleteOldBackups()
}
}
}