예제 #1
0
func (*metadataHelperSuite) TestMetadataFromTools(c *gc.C) {
	metadata := tools.MetadataFromTools(nil)
	c.Assert(metadata, gc.HasLen, 0)

	toolsList := coretools.List{{
		Version: version.MustParseBinary("1.2.3-precise-amd64"),
		Size:    123,
		SHA256:  "abc",
	}, {
		Version: version.MustParseBinary("2.0.1-raring-amd64"),
		URL:     "file:///tmp/releases/juju-2.0.1-raring-amd64.tgz",
		Size:    456,
		SHA256:  "xyz",
	}}
	metadata = tools.MetadataFromTools(toolsList)
	c.Assert(metadata, gc.HasLen, len(toolsList))
	for i, t := range toolsList {
		md := metadata[i]
		c.Assert(md.Release, gc.Equals, t.Version.Series)
		c.Assert(md.Version, gc.Equals, t.Version.Number.String())
		c.Assert(md.Arch, gc.Equals, t.Version.Arch)
		// FullPath is only filled out when reading tools using simplestreams.
		// It's not needed elsewhere and requires a URL() call.
		c.Assert(md.FullPath, gc.Equals, "")
		c.Assert(md.Path, gc.Equals, tools.StorageName(t.Version)[len("tools/"):])
		c.Assert(md.FileType, gc.Equals, "tar.gz")
		c.Assert(md.Size, gc.Equals, t.Size)
		c.Assert(md.SHA256, gc.Equals, t.SHA256)
	}
}
예제 #2
0
func (*metadataHelperSuite) TestResolveMetadata(c *gc.C) {
	var versionStrings = []string{"1.2.3-precise-amd64"}
	dir := c.MkDir()
	ttesting.MakeTools(c, dir, "releases", versionStrings)
	toolsList := coretools.List{{
		Version: version.MustParseBinary(versionStrings[0]),
		Size:    123,
		SHA256:  "abc",
	}}

	stor, err := filestorage.NewFileStorageReader(dir)
	c.Assert(err, gc.IsNil)
	err = tools.ResolveMetadata(stor, nil)
	c.Assert(err, gc.IsNil)

	// We already have size/sha256, so ensure that storage isn't consulted.
	countingStorage := &countingStorage{StorageReader: stor}
	metadata := tools.MetadataFromTools(toolsList)
	err = tools.ResolveMetadata(countingStorage, metadata)
	c.Assert(err, gc.IsNil)
	c.Assert(countingStorage.counter, gc.Equals, 0)

	// Now clear size/sha256, and check that it is called, and
	// the size/sha256 sum are updated.
	metadata[0].Size = 0
	metadata[0].SHA256 = ""
	err = tools.ResolveMetadata(countingStorage, metadata)
	c.Assert(err, gc.IsNil)
	c.Assert(countingStorage.counter, gc.Equals, 1)
	c.Assert(metadata[0].Size, gc.Not(gc.Equals), 0)
	c.Assert(metadata[0].SHA256, gc.Not(gc.Equals), "")
}
예제 #3
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)
}