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Xapi#snapshotVm(): wait for the uptodate obj on quiesce. (#282)

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Fixes vatesfr/xo-web#904
This commit is contained in:
Julien Fontanet 2016-04-27 09:24:00 +02:00
parent 744306fc50
commit d7ecb32238
1 changed files with 18 additions and 0 deletions
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18
src/xapi.js
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@ -295,6 +295,22 @@ export default class Xapi extends XapiBase {
return watcher.promise
}
// Wait for an object to be in a given state.
//
// Faster than _waitObject() with a function.
_waitObjectState (idOrUuidOrRef, predicate) {
const object = this.getObject(idOrUuidOrRef)
if (object && predicate(object)) {
return object
}
const loop = () => this._waitObject(idOrUuidOrRef).then(
(object) => predicate(object) ? object : loop()
)
return loop()
}
// Returns the objects if already presents or waits for it.
async _getOrWaitObject (idOrUuidOrRef) {
return (
@ -862,6 +878,8 @@ export default class Xapi extends XapiBase {
try {
ref = await this.call('VM.snapshot_with_quiesce', vm.$ref, nameLabel)
this.addTag(ref, 'quiesce')::pCatch(noop) // ignore any failures
await this._waitObjectState(ref, vm => includes(vm.tags, 'quiesce'))
} catch (error) {
if (
error.code !== 'VM_SNAPSHOT_WITH_QUIESCE_NOT_SUPPORTED' &&