81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
package main
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import (
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"strconv"
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"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
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"github.com/nspcc-dev/neofs-node/pkg/util/attributes"
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"github.com/pkg/errors"
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"github.com/spf13/viper"
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)
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const (
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// list of default values for well-known attributes
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defaultCapacity = 0
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defaultPrice = 0
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)
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func parseAttributes(v *viper.Viper) []*netmap.NodeAttribute {
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stringAttributes := readAttributes(v)
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attrs, err := attributes.ParseV2Attributes(stringAttributes, nil)
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if err != nil {
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fatalOnErr(err)
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}
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return addWellKnownAttributes(attrs)
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}
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func readAttributes(v *viper.Viper) (attrs []string) {
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const maxAttributes = 100
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for i := 0; i < maxAttributes; i++ {
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attr := v.GetString(cfgNodeAttributePrefix + "_" + strconv.Itoa(i))
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if attr == "" {
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return
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}
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attrs = append(attrs, attr)
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}
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return attrs
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}
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type wellKnownNodeAttrDesc struct {
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explicit bool
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defaultVal string
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}
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func listWellKnownAttrDesc() map[string]wellKnownNodeAttrDesc {
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return map[string]wellKnownNodeAttrDesc{
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netmap.AttrPrice: {defaultVal: strconv.FormatUint(defaultPrice, 10)},
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netmap.AttrCapacity: {defaultVal: strconv.FormatUint(defaultCapacity, 10)},
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netmap.AttrUNLOCODE: {explicit: true},
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}
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}
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func addWellKnownAttributes(attrs []*netmap.NodeAttribute) []*netmap.NodeAttribute {
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mWellKnown := listWellKnownAttrDesc()
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// check how user defined well-known attributes
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for i := range attrs {
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delete(mWellKnown, attrs[i].Key())
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}
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for key, desc := range mWellKnown {
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// check if required attribute is set
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if desc.explicit {
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fatalOnErr(errors.Errorf("missing explicit value of required node attribute %s", key))
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}
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// set default value of the attribute
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a := netmap.NewNodeAttribute()
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a.SetKey(key)
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a.SetValue(desc.defaultVal)
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attrs = append(attrs, a)
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}
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return attrs
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}
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