Example #1
0
func (*metadataHelperSuite) TestReadWriteMetadata(c *gc.C) {
	metadata := []*tools.ToolsMetadata{{
		Release: "precise",
		Version: "1.2.3",
		Arch:    "amd64",
		Path:    "path1",
	}, {
		Release: "raring",
		Version: "1.2.3",
		Arch:    "amd64",
		Path:    "path2",
	}}

	stor, err := filestorage.NewFileStorageWriter(c.MkDir())
	c.Assert(err, gc.IsNil)
	out, err := tools.ReadMetadata(stor)
	c.Assert(out, gc.HasLen, 0)
	c.Assert(err, gc.IsNil) // non-existence is not an error
	err = tools.WriteMetadata(stor, metadata, tools.DoNotWriteMirrors)
	c.Assert(err, gc.IsNil)
	out, err = tools.ReadMetadata(stor)
	for _, md := range out {
		// FullPath is set by ReadMetadata.
		c.Assert(md.FullPath, gc.Not(gc.Equals), "")
		md.FullPath = ""
	}
	c.Assert(out, gc.DeepEquals, metadata)
}
Example #2
0
// This is essentially the same as tools.MergeAndWriteMetadata, but also
// resolves metadata for existing tools by fetching them and computing
// size/sha256 locally.
func mergeAndWriteMetadata(stor storage.Storage, toolsList coretools.List, writeMirrors envtools.ShouldWriteMirrors) error {
	existing, err := envtools.ReadMetadata(stor)
	if err != nil {
		return err
	}
	metadata := envtools.MetadataFromTools(toolsList)
	if metadata, err = envtools.MergeMetadata(metadata, existing); err != nil {
		return err
	}
	if err = envtools.ResolveMetadata(stor, metadata); err != nil {
		return err
	}
	return envtools.WriteMetadata(stor, metadata, writeMirrors)
}