podman/pkg/domain/utils/utils.go

57 lines
1.3 KiB
Go

package utils
import (
"fmt"
"net/url"
"strings"
jsoniter "github.com/json-iterator/go"
)
var json = jsoniter.ConfigCompatibleWithStandardLibrary
// DeepCopy does a deep copy of a structure
// Error checking of parameters delegated to json engine
var DeepCopy = func(dst interface{}, src interface{}) error {
payload, err := json.Marshal(src)
if err != nil {
return err
}
err = json.Unmarshal(payload, dst)
if err != nil {
return err
}
return nil
}
func ToLibpodFilters(f url.Values) (filters []string) {
for k, v := range f {
filters = append(filters, k+"="+v[0])
}
return
}
func ToURLValues(f []string) (filters url.Values) {
filters = make(url.Values)
for _, v := range f {
key, val, _ := strings.Cut(v, "=")
filters.Add(key, val)
}
return
}
// ParseAnnotations takes a string slice of options, expected to be "key=val" and returns
// a string map where the map index is the key and points to the value
func ParseAnnotations(options []string) (map[string]string, error) {
annotations := make(map[string]string)
for _, annotationSpec := range options {
key, val, hasVal := strings.Cut(annotationSpec, "=")
if !hasVal {
return nil, fmt.Errorf("no value given for annotation %q", key)
}
annotations[key] = val
}
return annotations, nil
}