TerraSky, a provider of cloud computing and system integration services with operations in San Jose, said Wednesday that it received additional capital from one of its business partners, NTT Software. Financial details of the investment were not disclosed. TerraSky said the investment gives NTT Software a 19 percent stake in the firm, up from an earlier 10 percent from a September 2010 investment and partnership deal. Both firms have headquarters in Japan. TerraSky helps to implement and customize Salesforce for Japanese customers.