Page History

DB

• Table to capture spring batch processing (states)
• Table to capture snapshots
  • Snapshot ID
  • Snapshot date
  • Source DuraCloud Host
  • Source DuraCloud Port
  • Source DuraCloud Space ID
  • Source DuraCloud Store ID
  • Number of content items in snapshot
  • List of duracloud accounts for which the snapshot is visible
  • Snapshot status
• Table to capture content items
  • Snapshot ID
  • Content ID
  • Content Metadata List (serialized)
• Table to capture restore actions
  • Snapshot ID
  • Restoration ID
  • DuraCloud Host
  • DuraCloud Port
  • DuraCloud Space ID
  • DuraCloud Store ID
  • Start Date
  • End Date
  • Restore status

Note: Colors indicate where calls to a particular interface method will originate. For example, a method in the bridge API is green if the calls to that method are made from a Snapshot Storage Provider Task. A method in the bridge API is red if the calls to that method are made from Chronopolis.

DuraCloud UI (DurAdmin)

• <No additional API calls>

Snapshot Storage Provider Tasks

• Create snapshot (space IDspaceID, storeID)
  • create snapshot properties file, store it in space
  • space transitioned to read only
  • call made to bridge API to create snapshot
• Get snapshot status (snapshot ID)
  • call made to bridge for status
• Snapshot complete (snapshot ID, space IDspaceID)
  • set bucket deletion policy
• Get list of snapshots
  • call to bridge for snapshot list, formats results
• Get list of content items (snapshot ID, offset, maxresults)
  • call to bridge for content item list
• Restore snapshot (snapshot ID, storeID)
  • verify that a restore is not already in place
  • create a space for the snapshot to be placed into
  • call to bridge to restore
• Get restore status (snapshot ID)
  • call made to bridge for status

Bridge API

• Create snapshot (host, port, spaceID, storeID snapshotID)
  • create snapshot db entry
  • copy content to bridge storage
  • create a manfitest for content
  • notify chronopolis that snapshot is ready for storage
• Get snapshot status (host, port, snapshot ID)
  • query snapshot status from the db (and from chronopolis, depending on status)
• Snapshot complete (snapshot ID)
  • delete content in bridge storage
  • call task to indicate that snapshot is complete
  • notify end user that snapshot is complete
• Get list of snapshots (host)
  • Queries db for snapshot list available to host
• Get list of content items (snapshot ID, offset, maxresults)
  • Queries db for content item list for the given snapshot ID
• Restore snapshot (host, port, spaceID, spaceIdstoreID, snapshot ID)
  • create restore db entry
  • create a directory on bridge storage
  • requests restore from chronopolis
• Restore complete (snapshot ID)
  • copy content to Duracloud
  • update content metadata
  • verify restored content
  • delete content on bridge
  • notify end user that restore is complete
• Get restore status (host, port, snapshot ID)
  • query restore status from the db (and from chronopolis, depending on status)

Chronopolis API

• Store snapshot (snapshot ID, bridge storage path)
• Get snapshot status (snapshot ID)
• Restore snapshot (snapshot ID, bridge storage path)
• Get restore status (snapshot ID)