func (self *BundleStore) GetBundleTemplate(key string) (*BundleTemplate, error) {
// TODO: Check for path traversal
path := path.Join(self.basedir, key+".yaml")
bytes := sources.NewFileByteSource(path)
exists, err := bytes.Exists()
if err != nil {
return nil, fmt.Errorf("Error checking for template", err)
}
if !exists {
log.Warn("Service bundle not found: %v", path)
return nil, nil
}
return NewBundleTemplate(bytes)
}
func (self *Client) DownloadCharm(charmKey string) (sources.ByteSource, error) {
// Sadly not readable by user
charmInfo, err := self.CharmInfo(charmKey)
if err != nil {
log.Warn("Unable to get charm info: %v", charmKey, err)
return nil, err
}
environment, err := self.client.EnvironmentGet()
if err != nil {
log.Warn("Unable to get juju environment", err)
return nil, err
}
jujuType := asString(environment["type"])
if jujuType == "" {
return nil, fmt.Errorf("Could not fetch environment value 'type'")
}
rootDir := asString(environment["root-dir"])
if rootDir == "" {
return nil, fmt.Errorf("Could not fetch environment value 'type'")
}
// zipFile := "${HOME}/.juju/local/charmcache/cs_3a__7e_justin-fathomdb_2f_trusty_2f_mongodb-0.charm"
escaped := encodeCharmPath(charmInfo.URL)
filename := escaped + ".charm"
charmPath := filepath.Join(rootDir, "charmcache", filename)
if jujuType == "local" {
contents := sources.NewFileByteSource(charmPath)
exists, err := contents.Exists()
if err != nil {
return nil, err
}
if !exists {
return nil, fmt.Errorf("Charm file not found: %v", charmPath)
}
return contents, nil
} else {
return nil, fmt.Errorf("Unable to handle juju configuration type: %v", jujuType)
}
}