80 lines
1.6 KiB
Go
80 lines
1.6 KiB
Go
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package main
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import (
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"encoding/json"
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"fmt"
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"strings"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
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)
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type NamespacesConfig struct {
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Namespaces Namespaces `json:"namespaces"`
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}
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type Namespaces map[string]Namespace
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type Namespace struct {
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Name string `json:"-"`
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LocationConstraints LocationConstraints `json:"location_constraints"`
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CopiesNumbers map[string][]uint32 `json:"copies_numbers"`
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}
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type LocationConstraints map[string]netmap.PlacementPolicy
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func (c *Namespaces) UnmarshalJSON(data []byte) error {
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namespaces := make(map[string]Namespace)
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if err := json.Unmarshal(data, &namespaces); err != nil {
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return err
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}
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for name, namespace := range namespaces {
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namespace.Name = name
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namespaces[name] = namespace
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}
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*c = namespaces
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return nil
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}
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func (c *LocationConstraints) UnmarshalJSON(data []byte) error {
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m := make(map[string]string)
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if err := json.Unmarshal(data, &m); err != nil {
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return err
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}
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*c = make(LocationConstraints, len(m))
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for region, policy := range m {
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var pp netmap.PlacementPolicy
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if err := pp.DecodeString(policy); err == nil {
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(*c)[region] = pp
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continue
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}
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if err := pp.UnmarshalJSON([]byte(policy)); err == nil {
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(*c)[region] = pp
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continue
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}
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return fmt.Errorf("failed to parse location contraint '%s': '%s'", region, policy)
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}
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return nil
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}
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func (c LocationConstraints) MarshalJSON() ([]byte, error) {
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m := make(map[string]string, len(c))
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for region, policy := range c {
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var sb strings.Builder
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if err := policy.WriteStringTo(&sb); err != nil {
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return nil, err
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}
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m[region] = sb.String()
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}
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return json.Marshal(m)
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}
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