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utils.go
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/
utils.go
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package containerd
import (
"net/url"
"path/filepath"
"strings"
)
// ToAPIEndpoint turns URL to a valid API endpoint used in
// a containerd config file for a local registry.
// Original input is returned in case of malformed inputs.
func ToAPIEndpoint(url string) string {
u, err := parseURL(url)
if err != nil {
return url
}
if u.Path != "" {
u.Path = filepath.Join("v2", u.Path)
}
return strings.TrimPrefix(u.String(), "//")
}
func parseURL(in string) (*url.URL, error) {
urlIn := in
if !strings.Contains(in, "//") {
urlIn = "//" + in
}
return url.Parse(urlIn)
}
// ToAPIEndpoints utilizes ToAPIEndpoint to turn all URLs from a
// map to valid API endpoints for a local registry.
func ToAPIEndpoints(URLs map[string]string) map[string]string {
endpoints := make(map[string]string)
for key, url := range URLs {
endpoints[key] = ToAPIEndpoint(url)
}
return endpoints
}