Esempio n. 1
0
// ParseMetadataFromStorage loads ImageMetadata from the specified storage reader.
func ParseMetadataFromStorage(c *gc.C, stor storage.StorageReader) []*imagemetadata.ImageMetadata {
	source := storage.NewStorageSimpleStreamsDataSource("test storage reader", stor, "images")

	// Find the simplestreams index file.
	params := simplestreams.ValueParams{
		DataType:      "image-ids",
		ValueTemplate: imagemetadata.ImageMetadata{},
	}
	const requireSigned = false
	indexPath := simplestreams.UnsignedIndex
	indexRef, err := simplestreams.GetIndexWithFormat(
		source, indexPath, "index:1.0", requireSigned, simplestreams.CloudSpec{}, params)
	c.Assert(err, gc.IsNil)
	c.Assert(indexRef.Indexes, gc.HasLen, 1)

	imageIndexMetadata := indexRef.Indexes["com.ubuntu.cloud:custom"]
	c.Assert(imageIndexMetadata, gc.NotNil)

	// Read the products file contents.
	r, err := stor.Get(path.Join("images", imageIndexMetadata.ProductsFilePath))
	defer r.Close()
	c.Assert(err, gc.IsNil)
	data, err := ioutil.ReadAll(r)
	c.Assert(err, gc.IsNil)

	// Parse the products file metadata.
	url, err := source.URL(imageIndexMetadata.ProductsFilePath)
	c.Assert(err, gc.IsNil)
	cloudMetadata, err := simplestreams.ParseCloudMetadata(data, "products:1.0", url, imagemetadata.ImageMetadata{})
	c.Assert(err, gc.IsNil)

	// Collate the metadata.
	imageMetadataMap := make(map[string]*imagemetadata.ImageMetadata)
	var expectedProductIds set.Strings
	var imageVersions set.Strings
	for _, mc := range cloudMetadata.Products {
		for _, items := range mc.Items {
			for key, item := range items.Items {
				imageMetadata := item.(*imagemetadata.ImageMetadata)
				imageMetadataMap[key] = imageMetadata
				imageVersions.Add(key)
				productId := fmt.Sprintf("com.ubuntu.cloud:server:%s:%s", mc.Version, imageMetadata.Arch)
				expectedProductIds.Add(productId)
			}
		}
	}

	// Make sure index's product IDs are all represented in the products metadata.
	sort.Strings(imageIndexMetadata.ProductIds)
	c.Assert(imageIndexMetadata.ProductIds, gc.DeepEquals, expectedProductIds.SortedValues())

	imageMetadata := make([]*imagemetadata.ImageMetadata, len(imageMetadataMap))
	for i, key := range imageVersions.SortedValues() {
		imageMetadata[i] = imageMetadataMap[key]
	}
	return imageMetadata
}
Esempio n. 2
0
func (s *datasourceSuite) TestFetch(c *gc.C) {
	ds := simplestreams.NewURLDataSource("test", "test:", utils.VerifySSLHostnames)
	rc, url, err := ds.Fetch("streams/v1/tools_metadata.json")
	c.Assert(err, gc.IsNil)
	defer rc.Close()
	c.Assert(url, gc.Equals, "test:/streams/v1/tools_metadata.json")
	data, err := ioutil.ReadAll(rc)
	cloudMetadata, err := simplestreams.ParseCloudMetadata(data, "products:1.0", url, imagemetadata.ImageMetadata{})
	c.Assert(err, gc.IsNil)
	c.Assert(len(cloudMetadata.Products), jc.GreaterThan, 0)
}
Esempio n. 3
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// GetLatestImageIdMetadata is provided so it can be call by tests outside the imagemetadata package.
func GetLatestImageIdMetadata(data []byte, source simplestreams.DataSource, cons *ImageConstraint) ([]*ImageMetadata, error) {
	metadata, err := simplestreams.ParseCloudMetadata(data, "products:1.0", "<unknown>", ImageMetadata{})
	if err != nil {
		return nil, err
	}
	items, err := simplestreams.GetLatestMetadata(metadata, cons, source, appendMatchingImages)
	if err != nil {
		return nil, err
	}
	result := make([]*ImageMetadata, len(items))
	for i, md := range items {
		result[i] = md.(*ImageMetadata)
	}
	return result, nil
}
Esempio n. 4
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func (s *productSpecSuite) TestLargeNumber(c *gc.C) {
	json := `{
        "updated": "Fri, 30 Aug 2013 16:12:58 +0800",
        "format": "products:1.0",
        "products": {
            "com.ubuntu.juju:1.10.0:amd64": {
                "version": "1.10.0",
                "arch": "amd64",
                "versions": {
                    "20133008": {
                        "items": {
                            "1.10.0-precise-amd64": {
                                "release": "precise",
                                "version": "1.10.0",
                                "arch": "amd64",
                                "size": 9223372036854775807,
                                "path": "releases/juju-1.10.0-precise-amd64.tgz",
                                "ftype": "tar.gz",
                                "sha256": ""
                            }
                        }
                    }
                }
            }
        }
    }`
	cloudMetadata, err := simplestreams.ParseCloudMetadata([]byte(json), "products:1.0", "", tools.ToolsMetadata{})
	c.Assert(err, gc.IsNil)
	c.Assert(cloudMetadata.Products, gc.HasLen, 1)
	product := cloudMetadata.Products["com.ubuntu.juju:1.10.0:amd64"]
	c.Assert(product, gc.NotNil)
	c.Assert(product.Items, gc.HasLen, 1)
	version := product.Items["20133008"]
	c.Assert(version, gc.NotNil)
	c.Assert(version.Items, gc.HasLen, 1)
	item := version.Items["1.10.0-precise-amd64"]
	c.Assert(item, gc.NotNil)
	c.Assert(item, gc.FitsTypeOf, &tools.ToolsMetadata{})
	c.Assert(item.(*tools.ToolsMetadata).Size, gc.Equals, int64(9223372036854775807))
}
Esempio n. 5
0
// ParseMetadataFromStorage loads ToolsMetadata from the specified storage reader.
func ParseMetadataFromStorage(c *gc.C, stor storage.StorageReader, expectMirrors bool) []*tools.ToolsMetadata {
	source := storage.NewStorageSimpleStreamsDataSource("test storage reader", stor, "tools")
	params := simplestreams.ValueParams{
		DataType:      tools.ContentDownload,
		ValueTemplate: tools.ToolsMetadata{},
	}

	const requireSigned = false
	indexPath := simplestreams.UnsignedIndex
	indexRef, err := simplestreams.GetIndexWithFormat(
		source, indexPath, "index:1.0", requireSigned, simplestreams.CloudSpec{}, params)
	c.Assert(err, gc.IsNil)
	c.Assert(indexRef.Indexes, gc.HasLen, 1)

	toolsIndexMetadata := indexRef.Indexes["com.ubuntu.juju:released:tools"]
	c.Assert(toolsIndexMetadata, gc.NotNil)

	// Read the products file contents.
	r, err := stor.Get(path.Join("tools", toolsIndexMetadata.ProductsFilePath))
	defer r.Close()
	c.Assert(err, gc.IsNil)
	data, err := ioutil.ReadAll(r)
	c.Assert(err, gc.IsNil)

	url, err := source.URL(toolsIndexMetadata.ProductsFilePath)
	c.Assert(err, gc.IsNil)
	cloudMetadata, err := simplestreams.ParseCloudMetadata(data, "products:1.0", url, tools.ToolsMetadata{})
	c.Assert(err, gc.IsNil)

	toolsMetadataMap := make(map[string]*tools.ToolsMetadata)
	var expectedProductIds set.Strings
	var toolsVersions set.Strings
	for _, mc := range cloudMetadata.Products {
		for _, items := range mc.Items {
			for key, item := range items.Items {
				toolsMetadata := item.(*tools.ToolsMetadata)
				toolsMetadataMap[key] = toolsMetadata
				toolsVersions.Add(key)
				seriesVersion, err := ubuntu.SeriesVersion(toolsMetadata.Release)
				c.Assert(err, gc.IsNil)
				productId := fmt.Sprintf("com.ubuntu.juju:%s:%s", seriesVersion, toolsMetadata.Arch)
				expectedProductIds.Add(productId)
			}
		}
	}

	// Make sure index's product IDs are all represented in the products metadata.
	sort.Strings(toolsIndexMetadata.ProductIds)
	c.Assert(toolsIndexMetadata.ProductIds, gc.DeepEquals, expectedProductIds.SortedValues())

	toolsMetadata := make([]*tools.ToolsMetadata, len(toolsMetadataMap))
	for i, key := range toolsVersions.SortedValues() {
		toolsMetadata[i] = toolsMetadataMap[key]
	}

	if expectMirrors {
		r, err = stor.Get(path.Join("tools", simplestreams.UnsignedMirror))
		defer r.Close()
		c.Assert(err, gc.IsNil)
		data, err = ioutil.ReadAll(r)
		c.Assert(err, gc.IsNil)
		c.Assert(string(data), jc.Contains, `"mirrors":`)
		c.Assert(err, gc.IsNil)
	}
	return toolsMetadata
}