Files
xen-orchestra/@xen-orchestra/backups/HealthCheckVmBackup.mjs
Julien Fontanet 1005e295b2 chore(backups): convert to ESM
BREAKING CHANGE
2023-07-10 16:45:13 +02:00

110 lines
3.8 KiB
JavaScript

import { Task } from './Task.mjs'
export class HealthCheckVmBackup {
#restoredVm
#timeout
#xapi
constructor({ restoredVm, timeout = 10 * 60 * 1000, xapi }) {
this.#restoredVm = restoredVm
this.#xapi = xapi
this.#timeout = timeout
}
async run() {
return Task.run(
{
name: 'vmstart',
},
async () => {
let restoredVm = this.#restoredVm
const xapi = this.#xapi
const restoredId = restoredVm.uuid
// remove vifs
await Promise.all(restoredVm.$VIFs.map(vif => xapi.callAsync('VIF.destroy', vif.$ref)))
const waitForScript = restoredVm.tags.includes('xo-backup-health-check-xenstore')
if (waitForScript) {
await restoredVm.set_xenstore_data({
'vm-data/xo-backup-health-check': 'planned',
})
}
const start = new Date()
// start Vm
await xapi.callAsync(
'VM.start',
restoredVm.$ref,
false, // Start paused?
false // Skip pre-boot checks?
)
const started = new Date()
const timeout = this.#timeout
const startDuration = started - start
let remainingTimeout = timeout - startDuration
if (remainingTimeout < 0) {
throw new Error(`VM ${restoredId} not started after ${timeout / 1000} second`)
}
// wait for the 'Running' event to be really stored in local xapi object cache
restoredVm = await xapi.waitObjectState(restoredVm.$ref, vm => vm.power_state === 'Running', {
timeout: remainingTimeout,
})
const running = new Date()
remainingTimeout -= running - started
if (remainingTimeout < 0) {
throw new Error(`local xapi did not get Running state for VM ${restoredId} after ${timeout / 1000} second`)
}
// wait for the guest tool version to be defined
await xapi.waitObjectState(restoredVm.guest_metrics, gm => gm?.PV_drivers_version?.major !== undefined, {
timeout: remainingTimeout,
})
const guestToolsReady = new Date()
remainingTimeout -= guestToolsReady - running
if (remainingTimeout < 0) {
throw new Error(`local xapi did not get he guest tools check ${restoredId} after ${timeout / 1000} second`)
}
if (waitForScript) {
const startedRestoredVm = await xapi.waitObjectState(
restoredVm.$ref,
vm =>
vm?.xenstore_data !== undefined &&
(vm.xenstore_data['vm-data/xo-backup-health-check'] === 'success' ||
vm.xenstore_data['vm-data/xo-backup-health-check'] === 'failure'),
{
timeout: remainingTimeout,
}
)
const scriptOk = new Date()
remainingTimeout -= scriptOk - guestToolsReady
if (remainingTimeout < 0) {
throw new Error(
`Backup health check script did not update vm-data/xo-backup-health-check of ${restoredId} after ${
timeout / 1000
} second, got ${
startedRestoredVm.xenstore_data['vm-data/xo-backup-health-check']
} instead of 'success' or 'failure'`
)
}
if (startedRestoredVm.xenstore_data['vm-data/xo-backup-health-check'] !== 'success') {
const message = startedRestoredVm.xenstore_data['vm-data/xo-backup-health-check-error']
if (message) {
throw new Error(`Backup health check script failed with message ${message} for VM ${restoredId} `)
} else {
throw new Error(`Backup health check script failed for VM ${restoredId} `)
}
}
Task.info('Backup health check script successfully executed')
}
}
)
}
}