fix(xo-web/backup/overview): disable job cancellation (#4688)

Fixes #4657

CHANGELOG.unreleased.md

@@ -3,6 +3,10 @@
 > Keep in mind the changelog is addressed to **users** and should be
 > understandable by them.
 
+### Dropped features
+
+- [Backup / Overview] Job cancellation will be disabled until we find a way to make it work [#4657](https://github.com/vatesfr/xen-orchestra/issues/4657) (PR [#4688](https://github.com/vatesfr/xen-orchestra/pull/4688))
+
 ### Enhancements
 
 > Users must be able to say: “Nice enhancement, I'm eager to test it”

packages/xo-web/src/common/intl/messages.js

@@ -47,6 +47,7 @@ const messages = {
   vms: 'VMs',
   metadata: 'Metadata',
   chooseBackup: 'Choose a backup',
+  temporarilyDisabled: 'Temporarily disabled',
   clickToShowError: 'Click to show error',
   backupJobs: 'Backup jobs',
   iscsiSessions:

packages/xo-web/src/xo-app/backup/overview/index.js

@@ -148,15 +148,22 @@ const SchedulePreviewBody = decorate([
           style={{ marginRight: '0.5em' }}
         />
         {job.runId !== undefined ? (
-          <ActionButton
-            btnStyle='danger'
-            handler={cancelJob}
-            handlerParam={job}
-            icon='cancel'
-            key='cancel'
-            size='small'
-            tooltip={_('formCancel')}
-          />
+          <Tooltip content={_('temporarilyDisabled')}>
+            <span>
+              <ActionButton
+                btnStyle='danger'
+                // 2020-01-29 Job cancellation will be disabled until we find a way to make it work.
+                // See https://github.com/vatesfr/xen-orchestra/issues/4657
+                disabled
+                handler={cancelJob}
+                handlerParam={job}
+                icon='cancel'
+                key='cancel'
+                size='small'
+                tooltip={_('formCancel')}
+              />
+            </span>
+          </Tooltip>
         ) : (
           <ActionButton
             btnStyle='primary'