refactor(backups): separate VMs and metadata runners
This commit is contained in:
Florent BEAUCHAMP
committed by
Julien Fontanet
Julien Fontanet
parent
bd8bb73309
commit
2ba437be31
@@ -1,14 +1,15 @@
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'use strict'
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const { Runner } = require('./_runners/Runner.js')
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const { Metadata } = require('./_runners/Metadata.js')
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const { Vms } = require('./_runners/Vms.js')
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exports.createRunner = function createRunner(opts) {
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const { type } = opts.job
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switch (type) {
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case 'backup':
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return new Runner(opts)
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return new Vms(opts)
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case 'metadataBackup':
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return new Runner(opts)
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return new Metadata(opts)
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default:
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throw new Error(`No runner for the backup type ${type}`)
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}
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134
@xen-orchestra/backups/_runners/Metadata.js
Normal file
134
@xen-orchestra/backups/_runners/Metadata.js
Normal file
@@ -0,0 +1,134 @@
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'use strict'
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const { asyncMap } = require('@xen-orchestra/async-map')
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const Disposable = require('promise-toolbox/Disposable')
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const ignoreErrors = require('promise-toolbox/ignoreErrors')
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const { extractIdsFromSimplePattern } = require('../extractIdsFromSimplePattern.js')
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const { PoolMetadataBackup } = require('./_PoolMetadataBackup.js')
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const { XoMetadataBackup } = require('./_XoMetadataBackup.js')
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const { DEFAULT_SETTINGS, AbstractRunner } = require('./_Abstract.js')
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const { runTask } = require('./_runTask.js')
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const { getAdaptersByRemote } = require('./_getAdaptersByRemote.js')
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const DEFAULT_METADATA_SETTINGS = {
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retentionPoolMetadata: 0,
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retentionXoMetadata: 0,
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}
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exports.Metadata = class MetadataBackupRunner extends AbstractRunner {
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_computeBaseSettings(config, job) {
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const baseSettings = { ...DEFAULT_SETTINGS }
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Object.assign(baseSettings, DEFAULT_METADATA_SETTINGS, config.defaultSettings, config.metadata?.defaultSettings)
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Object.assign(baseSettings, job.settings[''])
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return baseSettings
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}
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async run() {
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const schedule = this._schedule
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const job = this._job
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const remoteIds = extractIdsFromSimplePattern(job.remotes)
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if (remoteIds.length === 0) {
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throw new Error('metadata backup job cannot run without remotes')
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}
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const config = this._config
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const poolIds = extractIdsFromSimplePattern(job.pools)
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const isEmptyPools = poolIds.length === 0
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const isXoMetadata = job.xoMetadata !== undefined
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if (!isXoMetadata && isEmptyPools) {
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throw new Error('no metadata mode found')
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}
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const settings = this._settings
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const { retentionPoolMetadata, retentionXoMetadata } = settings
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if (
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(retentionPoolMetadata === 0 && retentionXoMetadata === 0) ||
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(!isXoMetadata && retentionPoolMetadata === 0) ||
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(isEmptyPools && retentionXoMetadata === 0)
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) {
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throw new Error('no retentions corresponding to the metadata modes found')
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}
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await Disposable.use(
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Disposable.all(
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poolIds.map(id =>
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this._getRecord('pool', id).catch(error => {
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// See https://github.com/vatesfr/xen-orchestra/commit/6aa6cfba8ec939c0288f0fa740f6dfad98c43cbb
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runTask(
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{
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name: 'get pool record',
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data: { type: 'pool', id },
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},
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() => Promise.reject(error)
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)
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})
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)
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),
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Disposable.all(remoteIds.map(id => this._getAdapter(id))),
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async (pools, remoteAdapters) => {
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// remove adapters that failed (already handled)
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remoteAdapters = remoteAdapters.filter(_ => _ !== undefined)
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if (remoteAdapters.length === 0) {
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return
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}
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remoteAdapters = getAdaptersByRemote(remoteAdapters)
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// remove pools that failed (already handled)
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pools = pools.filter(_ => _ !== undefined)
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const promises = []
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if (pools.length !== 0 && settings.retentionPoolMetadata !== 0) {
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promises.push(
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asyncMap(pools, async pool =>
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runTask(
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{
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name: `Starting metadata backup for the pool (${pool.$id}). (${job.id})`,
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data: {
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id: pool.$id,
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pool,
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poolMaster: await ignoreErrors.call(pool.$xapi.getRecord('host', pool.master)),
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type: 'pool',
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},
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},
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() =>
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new PoolMetadataBackup({
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config,
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job,
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pool,
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remoteAdapters,
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schedule,
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settings,
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}).run()
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)
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)
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)
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}
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if (job.xoMetadata !== undefined && settings.retentionXoMetadata !== 0) {
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promises.push(
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runTask(
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{
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name: `Starting XO metadata backup. (${job.id})`,
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data: {
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type: 'xo',
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},
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},
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() =>
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new XoMetadataBackup({
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config,
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job,
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remoteAdapters,
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schedule,
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settings,
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}).run()
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)
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)
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}
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await Promise.all(promises)
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}
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)
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}
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}
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@@ -1,291 +0,0 @@
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'use strict'
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const { asyncMap, asyncMapSettled } = require('@xen-orchestra/async-map')
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const Disposable = require('promise-toolbox/Disposable')
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const ignoreErrors = require('promise-toolbox/ignoreErrors')
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const pTimeout = require('promise-toolbox/timeout')
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const { compileTemplate } = require('@xen-orchestra/template')
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const { limitConcurrency } = require('limit-concurrency-decorator')
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const { extractIdsFromSimplePattern } = require('../extractIdsFromSimplePattern.js')
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const { PoolMetadataBackup } = require('./_PoolMetadataBackup.js')
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const { Task } = require('../Task.js')
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const { VmBackup } = require('./_VmBackup.js')
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const { XoMetadataBackup } = require('./_XoMetadataBackup.js')
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const createStreamThrottle = require('./_createStreamThrottle.js')
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const { runTask } = require('./_runTask.js')
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const { getAdaptersByRemote } = require('./_getAdaptersByRemote.js')
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const { RemoteTimeoutError } = require('./_RemoteTimeoutError.js')
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const DEFAULT_SETTINGS = {
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getRemoteTimeout: 300e3,
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reportWhen: 'failure',
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}
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const DEFAULT_VM_SETTINGS = {
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bypassVdiChainsCheck: false,
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checkpointSnapshot: false,
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concurrency: 2,
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copyRetention: 0,
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deleteFirst: false,
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exportRetention: 0,
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fullInterval: 0,
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healthCheckSr: undefined,
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healthCheckVmsWithTags: [],
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maxExportRate: 0,
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maxMergedDeltasPerRun: Infinity,
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offlineBackup: false,
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offlineSnapshot: false,
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snapshotRetention: 0,
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timeout: 0,
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useNbd: false,
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unconditionalSnapshot: false,
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validateVhdStreams: false,
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vmTimeout: 0,
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}
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const DEFAULT_METADATA_SETTINGS = {
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retentionPoolMetadata: 0,
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retentionXoMetadata: 0,
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}
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exports.Runner = class BackupRunner {
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constructor({ config, getAdapter, getConnectedRecord, job, schedule }) {
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this._config = config
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this._getRecord = getConnectedRecord
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this._job = job
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this._schedule = schedule
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this._getSnapshotNameLabel = compileTemplate(config.snapshotNameLabelTpl, {
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'{job.name}': job.name,
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'{vm.name_label}': vm => vm.name_label,
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})
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const { type } = job
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const baseSettings = { ...DEFAULT_SETTINGS }
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if (type === 'backup') {
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Object.assign(baseSettings, DEFAULT_VM_SETTINGS, config.defaultSettings, config.vm?.defaultSettings)
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this.run = this._runVmBackup
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} else if (type === 'metadataBackup') {
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Object.assign(baseSettings, DEFAULT_METADATA_SETTINGS, config.defaultSettings, config.metadata?.defaultSettings)
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this.run = this._runMetadataBackup
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} else {
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throw new Error(`No runner for the backup type ${type}`)
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}
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Object.assign(baseSettings, job.settings[''])
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this._baseSettings = baseSettings
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this._settings = { ...baseSettings, ...job.settings[schedule.id] }
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const { getRemoteTimeout } = this._settings
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this._getAdapter = async function (remoteId) {
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try {
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const disposable = await pTimeout.call(getAdapter(remoteId), getRemoteTimeout, new RemoteTimeoutError(remoteId))
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return new Disposable(() => disposable.dispose(), {
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adapter: disposable.value,
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remoteId,
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})
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} catch (error) {
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// See https://github.com/vatesfr/xen-orchestra/commit/6aa6cfba8ec939c0288f0fa740f6dfad98c43cbb
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runTask(
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{
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name: 'get remote adapter',
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data: { type: 'remote', id: remoteId },
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},
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() => Promise.reject(error)
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)
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}
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}
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}
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async _runMetadataBackup() {
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const schedule = this._schedule
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const job = this._job
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const remoteIds = extractIdsFromSimplePattern(job.remotes)
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if (remoteIds.length === 0) {
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throw new Error('metadata backup job cannot run without remotes')
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}
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const config = this._config
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const poolIds = extractIdsFromSimplePattern(job.pools)
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const isEmptyPools = poolIds.length === 0
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const isXoMetadata = job.xoMetadata !== undefined
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if (!isXoMetadata && isEmptyPools) {
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throw new Error('no metadata mode found')
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}
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const settings = this._settings
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const { retentionPoolMetadata, retentionXoMetadata } = settings
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if (
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(retentionPoolMetadata === 0 && retentionXoMetadata === 0) ||
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(!isXoMetadata && retentionPoolMetadata === 0) ||
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(isEmptyPools && retentionXoMetadata === 0)
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) {
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throw new Error('no retentions corresponding to the metadata modes found')
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}
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await Disposable.use(
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Disposable.all(
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poolIds.map(id =>
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this._getRecord('pool', id).catch(error => {
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// See https://github.com/vatesfr/xen-orchestra/commit/6aa6cfba8ec939c0288f0fa740f6dfad98c43cbb
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runTask(
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{
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name: 'get pool record',
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data: { type: 'pool', id },
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},
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() => Promise.reject(error)
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)
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})
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)
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),
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Disposable.all(remoteIds.map(id => this._getAdapter(id))),
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async (pools, remoteAdapters) => {
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// remove adapters that failed (already handled)
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remoteAdapters = remoteAdapters.filter(_ => _ !== undefined)
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if (remoteAdapters.length === 0) {
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return
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}
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remoteAdapters = getAdaptersByRemote(remoteAdapters)
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// remove pools that failed (already handled)
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pools = pools.filter(_ => _ !== undefined)
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const promises = []
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if (pools.length !== 0 && settings.retentionPoolMetadata !== 0) {
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promises.push(
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asyncMap(pools, async pool =>
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runTask(
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{
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name: `Starting metadata backup for the pool (${pool.$id}). (${job.id})`,
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data: {
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id: pool.$id,
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pool,
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poolMaster: await ignoreErrors.call(pool.$xapi.getRecord('host', pool.master)),
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type: 'pool',
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},
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},
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() =>
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new PoolMetadataBackup({
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config,
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job,
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pool,
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remoteAdapters,
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schedule,
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settings,
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}).run()
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)
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)
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)
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}
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if (job.xoMetadata !== undefined && settings.retentionXoMetadata !== 0) {
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promises.push(
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runTask(
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{
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name: `Starting XO metadata backup. (${job.id})`,
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data: {
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type: 'xo',
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},
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},
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() =>
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new XoMetadataBackup({
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config,
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job,
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remoteAdapters,
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schedule,
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settings,
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}).run()
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)
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)
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}
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await Promise.all(promises)
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}
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)
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}
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async _runVmBackup() {
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const job = this._job
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// FIXME: proper SimpleIdPattern handling
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const getSnapshotNameLabel = this._getSnapshotNameLabel
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const schedule = this._schedule
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const settings = this._settings
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const throttleStream = createStreamThrottle(settings.maxExportRate)
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const config = this._config
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await Disposable.use(
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Disposable.all(
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extractIdsFromSimplePattern(job.srs).map(id =>
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this._getRecord('SR', id).catch(error => {
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runTask(
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{
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name: 'get SR record',
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data: { type: 'SR', id },
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},
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() => Promise.reject(error)
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)
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})
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)
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),
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Disposable.all(extractIdsFromSimplePattern(job.remotes).map(id => this._getAdapter(id))),
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() => (settings.healthCheckSr !== undefined ? this._getRecord('SR', settings.healthCheckSr) : undefined),
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async (srs, remoteAdapters, healthCheckSr) => {
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// remove adapters that failed (already handled)
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remoteAdapters = remoteAdapters.filter(_ => _ !== undefined)
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// remove srs that failed (already handled)
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srs = srs.filter(_ => _ !== undefined)
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if (remoteAdapters.length === 0 && srs.length === 0 && settings.snapshotRetention === 0) {
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return
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}
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const vmIds = extractIdsFromSimplePattern(job.vms)
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Task.info('vms', { vms: vmIds })
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remoteAdapters = getAdaptersByRemote(remoteAdapters)
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const allSettings = this._job.settings
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const baseSettings = this._baseSettings
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const handleVm = vmUuid => {
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const taskStart = { name: 'backup VM', data: { type: 'VM', id: vmUuid } }
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return this._getRecord('VM', vmUuid).then(
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disposableVm =>
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Disposable.use(disposableVm, vm => {
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taskStart.data.name_label = vm.name_label
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return runTask(taskStart, () =>
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new VmBackup({
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baseSettings,
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config,
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getSnapshotNameLabel,
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healthCheckSr,
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job,
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remoteAdapters,
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schedule,
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settings: { ...settings, ...allSettings[vm.uuid] },
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srs,
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throttleStream,
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vm,
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}).run()
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)
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}),
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error =>
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runTask(taskStart, () => {
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throw error
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})
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)
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}
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const { concurrency } = settings
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await asyncMapSettled(vmIds, concurrency === 0 ? handleVm : limitConcurrency(concurrency)(handleVm))
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}
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)
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}
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}
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126
@xen-orchestra/backups/_runners/Vms.js
Normal file
126
@xen-orchestra/backups/_runners/Vms.js
Normal file
@@ -0,0 +1,126 @@
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'use strict'
|
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|
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const { asyncMapSettled } = require('@xen-orchestra/async-map')
|
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const Disposable = require('promise-toolbox/Disposable')
|
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const { limitConcurrency } = require('limit-concurrency-decorator')
|
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|
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const { extractIdsFromSimplePattern } = require('../extractIdsFromSimplePattern.js')
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const { Task } = require('../Task.js')
|
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const createStreamThrottle = require('./_createStreamThrottle.js')
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const { DEFAULT_SETTINGS, AbstractRunner } = require('./_Abstract.js')
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const { runTask } = require('./_runTask.js')
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const { VmBackup } = require('./_VmBackup.js')
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const { getAdaptersByRemote } = require('./_getAdaptersByRemote.js')
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const DEFAULT_XAPI_VM_SETTINGS = {
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bypassVdiChainsCheck: false,
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checkpointSnapshot: false,
|
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concurrency: 2,
|
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copyRetention: 0,
|
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deleteFirst: false,
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exportRetention: 0,
|
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fullInterval: 0,
|
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healthCheckSr: undefined,
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healthCheckVmsWithTags: [],
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maxExportRate: 0,
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maxMergedDeltasPerRun: Infinity,
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offlineBackup: false,
|
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offlineSnapshot: false,
|
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snapshotRetention: 0,
|
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timeout: 0,
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useNbd: false,
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unconditionalSnapshot: false,
|
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validateVhdStreams: false,
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vmTimeout: 0,
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}
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exports.Vms = class VmsBackupRunner extends AbstractRunner {
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_computeBaseSettings(config, job) {
|
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const baseSettings = { ...DEFAULT_SETTINGS }
|
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Object.assign(baseSettings, DEFAULT_XAPI_VM_SETTINGS, config.defaultSettings, config.vm?.defaultSettings)
|
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Object.assign(baseSettings, job.settings[''])
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return baseSettings
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}
|
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|
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async run() {
|
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const job = this._job
|
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|
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// FIXME: proper SimpleIdPattern handling
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const getSnapshotNameLabel = this._getSnapshotNameLabel
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const schedule = this._schedule
|
||||
const settings = this._settings
|
||||
|
||||
const throttleStream = createStreamThrottle(settings.maxExportRate)
|
||||
|
||||
const config = this._config
|
||||
await Disposable.use(
|
||||
Disposable.all(
|
||||
extractIdsFromSimplePattern(job.srs).map(id =>
|
||||
this._getRecord('SR', id).catch(error => {
|
||||
runTask(
|
||||
{
|
||||
name: 'get SR record',
|
||||
data: { type: 'SR', id },
|
||||
},
|
||||
() => Promise.reject(error)
|
||||
)
|
||||
})
|
||||
)
|
||||
),
|
||||
Disposable.all(extractIdsFromSimplePattern(job.remotes).map(id => this._getAdapter(id))),
|
||||
() => (settings.healthCheckSr !== undefined ? this._getRecord('SR', settings.healthCheckSr) : undefined),
|
||||
async (srs, remoteAdapters, healthCheckSr) => {
|
||||
// remove adapters that failed (already handled)
|
||||
remoteAdapters = remoteAdapters.filter(_ => _ !== undefined)
|
||||
|
||||
// remove srs that failed (already handled)
|
||||
srs = srs.filter(_ => _ !== undefined)
|
||||
|
||||
if (remoteAdapters.length === 0 && srs.length === 0 && settings.snapshotRetention === 0) {
|
||||
return
|
||||
}
|
||||
|
||||
const vmIds = extractIdsFromSimplePattern(job.vms)
|
||||
|
||||
Task.info('vms', { vms: vmIds })
|
||||
|
||||
remoteAdapters = getAdaptersByRemote(remoteAdapters)
|
||||
|
||||
const allSettings = this._job.settings
|
||||
const baseSettings = this._baseSettings
|
||||
|
||||
const handleVm = vmUuid => {
|
||||
const taskStart = { name: 'backup VM', data: { type: 'VM', id: vmUuid } }
|
||||
|
||||
return this._getRecord('VM', vmUuid).then(
|
||||
disposableVm =>
|
||||
Disposable.use(disposableVm, vm => {
|
||||
taskStart.data.name_label = vm.name_label
|
||||
return runTask(taskStart, () =>
|
||||
new VmBackup({
|
||||
baseSettings,
|
||||
config,
|
||||
getSnapshotNameLabel,
|
||||
healthCheckSr,
|
||||
job,
|
||||
remoteAdapters,
|
||||
schedule,
|
||||
settings: { ...settings, ...allSettings[vm.uuid] },
|
||||
srs,
|
||||
throttleStream,
|
||||
vm,
|
||||
}).run()
|
||||
)
|
||||
}),
|
||||
error =>
|
||||
runTask(taskStart, () => {
|
||||
throw error
|
||||
})
|
||||
)
|
||||
}
|
||||
const { concurrency } = settings
|
||||
await asyncMapSettled(vmIds, concurrency === 0 ? handleVm : limitConcurrency(concurrency)(handleVm))
|
||||
}
|
||||
)
|
||||
}
|
||||
}
|
||||
51
@xen-orchestra/backups/_runners/_Abstract.js
Normal file
51
@xen-orchestra/backups/_runners/_Abstract.js
Normal file
@@ -0,0 +1,51 @@
|
||||
'use strict'
|
||||
|
||||
const Disposable = require('promise-toolbox/Disposable')
|
||||
const pTimeout = require('promise-toolbox/timeout')
|
||||
const { compileTemplate } = require('@xen-orchestra/template')
|
||||
const { runTask } = require('./_runTask.js')
|
||||
const { RemoteTimeoutError } = require('./_RemoteTimeoutError.js')
|
||||
|
||||
exports.DEFAULT_SETTINGS = {
|
||||
getRemoteTimeout: 300e3,
|
||||
reportWhen: 'failure',
|
||||
}
|
||||
|
||||
exports.AbstractRunner = class AbstractRunner {
|
||||
constructor({ config, getAdapter, getConnectedRecord, job, schedule }) {
|
||||
this._config = config
|
||||
this._getRecord = getConnectedRecord
|
||||
this._job = job
|
||||
this._schedule = schedule
|
||||
|
||||
this._getSnapshotNameLabel = compileTemplate(config.snapshotNameLabelTpl, {
|
||||
'{job.name}': job.name,
|
||||
'{vm.name_label}': vm => vm.name_label,
|
||||
})
|
||||
|
||||
const baseSettings = this._computeBaseSettings(config, job)
|
||||
this._baseSettings = baseSettings
|
||||
this._settings = { ...baseSettings, ...job.settings[schedule.id] }
|
||||
|
||||
const { getRemoteTimeout } = this._settings
|
||||
this._getAdapter = async function (remoteId) {
|
||||
try {
|
||||
const disposable = await pTimeout.call(getAdapter(remoteId), getRemoteTimeout, new RemoteTimeoutError(remoteId))
|
||||
|
||||
return new Disposable(() => disposable.dispose(), {
|
||||
adapter: disposable.value,
|
||||
remoteId,
|
||||
})
|
||||
} catch (error) {
|
||||
// See https://github.com/vatesfr/xen-orchestra/commit/6aa6cfba8ec939c0288f0fa740f6dfad98c43cbb
|
||||
runTask(
|
||||
{
|
||||
name: 'get remote adapter',
|
||||
data: { type: 'remote', id: remoteId },
|
||||
},
|
||||
() => Promise.reject(error)
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user