prepare V2.6

[Slach]

v2.6.0

IMPROVEMENTS

• add rbac-only and configs-only parameters to POST /backup/create and POST /backup/restore API calls
• add allow_object_disk_streaming config option which will make object disk backup when CopyObject failed or when Object Storage have incompatible types, fix 979
• add operation_id to callback, fix 995 thanks @manasmulay

[coveralls]

Pull Request Test Coverage Report for Build 10617707846

Details

• 279 of 420 (66.43%) changed or added relevant lines in 18 files are covered.
• No unchanged relevant lines lost coverage.
• Overall first build on v2.6 at 67.83%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/backup/upload.go	8	9	88.89%
pkg/storage/cos.go	0	2	0.0%
pkg/storage/s3.go	11	14	78.57%
pkg/storage/sftp.go	8	13	61.54%
pkg/config/config.go	21	27	77.78%
pkg/storage/ftp.go	18	26	69.23%
pkg/storage/object_disk/object_disk.go	22	30	73.33%
pkg/backup/restore.go	51	60	85.0%
pkg/backup/backuper.go	35	47	74.47%
pkg/backup/create.go	39	52	75.0%

Totals
Change from base Build 10616150138:	67.8%
Covered Lines:	9094
Relevant Lines:	13407

---

💛 - Coveralls