Module: Offshore::Snapshot::Template

Extended by:
Template
Included in:
Template
Defined in:
lib/offshore/server/snapshot.rb

Constant Summary collapse

SNAPSHOT_KEY = 
"snapshot:checksum"

Instance Method Summary collapse

Instance Method Details

#create ⇒ Object 



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# File 'lib/offshore/server/snapshot.rb', line 38

def create
  use_db(test_db)
  use_db(template_db)
  clone(test_db, template_db)
  record_checksum(test_db)
end

#rollback ⇒ Object 



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# File 'lib/offshore/server/snapshot.rb', line 45

def rollback
  use_db(test_db)
  stored = Offshore.redis.get(SNAPSHOT_KEY)
  sum = db_checksum(test_db)
  
  if stored == sum
    Logger.info("   Snapshot checksum equal - not cloning")
  else
    Logger.info("   Snapshot checksum not equal - cloning")
    use_db(template_db)
    clone(template_db, test_db)
    record_checksum(test_db) unless stored
  end
end

#rollback2 ⇒ Object 



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# File 'lib/offshore/server/snapshot.rb', line 61

def rollback2
  use_db(test_db)
  use_db(template_db)
  if equal_checksum?(template_db, test_db)
    Logger.info("   Snapshot checksum equal - not cloning")
  else
    Logger.info("   Snapshot checksum not equal - cloning")
    clone(template_db, test_db)
  end
end