github.com/rogpeppe/juju@v0.0.0-20140613142852-6337964b789e/environs/simplestreams/validation.go (about)

     1  // Copyright 2013 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package simplestreams
     5  
     6  // MetadataValidator instances can provide parameters used to query simplestreams
     7  // metadata to find information for the specified parameters. If region is "",
     8  // then the implementation may use its own default region if it has one,
     9  // or else returns an error.
    10  type MetadataValidator interface {
    11  	MetadataLookupParams(region string) (*MetadataLookupParams, error)
    12  }
    13  
    14  type MetadataLookupParams struct {
    15  	Region        string
    16  	Series        string
    17  	Architectures []string
    18  	Endpoint      string
    19  	Sources       []DataSource
    20  	Stream        string
    21  }