// appendArchives collects all matching Juju GUI archive metadata information.
func appendArchives(
source simplestreams.DataSource,
matchingItems []interface{},
items map[string]interface{},
cons simplestreams.LookupConstraint,
) ([]interface{}, error) {
var majorVersion int
if guiConstraint, ok := cons.(*constraint); ok {
majorVersion = guiConstraint.majorVersion
}
for _, item := range items {
meta := item.(*Metadata)
if majorVersion != 0 && majorVersion != meta.JujuMajorVersion {
continue
}
fullPath, err := source.URL(meta.Path)
if err != nil {
return nil, errors.Annotate(err, "cannot retrieve metadata full path")
}
meta.FullPath = fullPath
vers, err := version.Parse(meta.StringVersion)
if err != nil {
return nil, errors.Annotate(err, "cannot parse metadata version")
}
meta.Version = vers
meta.Source = source
matchingItems = append(matchingItems, meta)
}
return matchingItems, nil
}
func assertSourceContents(c *gc.C, source simplestreams.DataSource, filename string, content []byte) {
rc, _, err := source.Fetch(filename)
c.Assert(err, gc.IsNil)
defer rc.Close()
retrieved, err := ioutil.ReadAll(rc)
c.Assert(err, gc.IsNil)
c.Assert(retrieved, gc.DeepEquals, content)
}
func appendMatchingFunc(source simplestreams.DataSource, matchingImages []interface{},
images map[string]interface{}, cons simplestreams.LookupConstraint) ([]interface{}, error) {
for _, val := range images {
file := val.(*OvaFileMetadata)
if file.FileType == "ova" {
//ignore error for url data source
url, _ := source.URL(file.Path)
file.Url = url
matchingImages = append(matchingImages, file)
}
}
return matchingImages, nil
}
// appendMatchingTools updates matchingTools with tools metadata records from tools which belong to the
// specified series. If a tools record already exists in matchingTools, it is not overwritten.
func appendMatchingTools(source simplestreams.DataSource, matchingTools []interface{},
tools map[string]interface{}, cons simplestreams.LookupConstraint) ([]interface{}, error) {
toolsMap := make(map[version.Binary]*ToolsMetadata, len(matchingTools))
for _, val := range matchingTools {
tm := val.(*ToolsMetadata)
binary, err := tm.binary()
if err != nil {
return nil, errors.Trace(err)
}
toolsMap[binary] = tm
}
for _, val := range tools {
tm := val.(*ToolsMetadata)
if !set.NewStrings(cons.Params().Series...).Contains(tm.Release) {
continue
}
if toolsConstraint, ok := cons.(*ToolsConstraint); ok {
tmNumber := version.MustParse(tm.Version)
if toolsConstraint.Version == version.Zero {
if toolsConstraint.MajorVersion >= 0 && toolsConstraint.MajorVersion != tmNumber.Major {
continue
}
if toolsConstraint.MinorVersion >= 0 && toolsConstraint.MinorVersion != tmNumber.Minor {
continue
}
} else {
if toolsConstraint.Version != tmNumber {
continue
}
}
}
binary, err := tm.binary()
if err != nil {
return nil, errors.Trace(err)
}
if _, ok := toolsMap[binary]; !ok {
tm.FullPath, _ = source.URL(tm.Path)
matchingTools = append(matchingTools, tm)
}
}
return matchingTools, nil
}
// storeImageMetadataFromFiles puts image metadata found in sources into state.
func storeImageMetadataFromFiles(st *state.State, env environs.Environ, source simplestreams.DataSource) error {
// Read the image metadata, as we'll want to upload it to the environment.
imageConstraint := imagemetadata.NewImageConstraint(simplestreams.LookupParams{})
if inst, ok := env.(simplestreams.HasRegion); ok {
// If we can determine current region,
// we want only metadata specific to this region.
cloud, err := inst.Region()
if err != nil {
return err
}
imageConstraint.CloudSpec = cloud
}
existingMetadata, info, err := imagemetadata.Fetch([]simplestreams.DataSource{source}, imageConstraint)
if err != nil && !errors.IsNotFound(err) {
return errors.Annotate(err, "cannot read image metadata")
}
return storeImageMetadataInState(st, info.Source, source.Priority(), existingMetadata)
}