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[#255] pkg/netmap: Move common substring of well-known attributes to prefix

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Rename `PriceAttr` constant to `AttrPrice`. Rename `CapacityAttr` constant
to `AttrCapacity`. Add documentation to both of them.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2021-02-10 21:51:16 +03:00 committed by Alex Vanin
parent 783c323d95
commit 8254da2890
3 changed files with 20 additions and 15 deletions
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4
pkg/netmap/filter.go
View file

@ -115,9 +115,9 @@ func (c *Context) matchKeyValue(f *Filter, b *Node) bool {
var attr uint64 var attr uint64
switch f.Key() { switch f.Key() {
case PriceAttr: case AttrPrice:
attr = b.Price attr = b.Price
case CapacityAttr: case AttrCapacity:
attr = b.Capacity attr = b.Capacity
default: default:
var err error var err error

13
pkg/netmap/node_info.go
View file

@ -44,8 +44,13 @@ const (
// Enumeration of well-known attributes. // Enumeration of well-known attributes.
const ( const (
CapacityAttr = "Capacity" // AttrPrice is a key to the node attribute that indicates the
PriceAttr = "Price" // price in GAS tokens for storing one GB of data during one Epoch.
AttrPrice = "Price"
// AttrCapacity is a key to the node attribute that indicates the
// total available disk space in Gigabytes.
AttrCapacity = "Capacity"
) )
var _ hrw.Hasher = (*Node)(nil) var _ hrw.Hasher = (*Node)(nil)
@ -77,9 +82,9 @@ func newNodeV2(index int, ni *NodeInfo) *Node {
for _, attr := range ni.Attributes() { for _, attr := range ni.Attributes() {
switch attr.Key() { switch attr.Key() {
case CapacityAttr: case AttrCapacity:
n.Capacity, _ = strconv.ParseUint(attr.Value(), 10, 64) n.Capacity, _ = strconv.ParseUint(attr.Value(), 10, 64)
case PriceAttr: case AttrPrice:
n.Price, _ = strconv.ParseUint(attr.Value(), 10, 64) n.Price, _ = strconv.ParseUint(attr.Value(), 10, 64)
} }

18
pkg/netmap/selector_test.go
View file

@ -303,15 +303,15 @@ func TestPlacementPolicy_ProcessSelectorsHRW(t *testing.T) {
// bucket weight order: RU > DE > FR // bucket weight order: RU > DE > FR
nodes := []NodeInfo{ nodes := []NodeInfo{
nodeInfoFromAttributes("Country", "Germany", PriceAttr, "2", CapacityAttr, "10000"), nodeInfoFromAttributes("Country", "Germany", AttrPrice, "2", AttrCapacity, "10000"),
nodeInfoFromAttributes("Country", "Germany", PriceAttr, "4", CapacityAttr, "1"), nodeInfoFromAttributes("Country", "Germany", AttrPrice, "4", AttrCapacity, "1"),
nodeInfoFromAttributes("Country", "France", PriceAttr, "3", CapacityAttr, "10"), nodeInfoFromAttributes("Country", "France", AttrPrice, "3", AttrCapacity, "10"),
nodeInfoFromAttributes("Country", "Russia", PriceAttr, "2", CapacityAttr, "10000"), nodeInfoFromAttributes("Country", "Russia", AttrPrice, "2", AttrCapacity, "10000"),
nodeInfoFromAttributes("Country", "Russia", PriceAttr, "1", CapacityAttr, "10000"), nodeInfoFromAttributes("Country", "Russia", AttrPrice, "1", AttrCapacity, "10000"),
nodeInfoFromAttributes("Country", "Russia", CapacityAttr, "10000"), nodeInfoFromAttributes("Country", "Russia", AttrCapacity, "10000"),
nodeInfoFromAttributes("Country", "France", PriceAttr, "100", CapacityAttr, "1"), nodeInfoFromAttributes("Country", "France", AttrPrice, "100", AttrCapacity, "1"),
nodeInfoFromAttributes("Country", "France", PriceAttr, "7", CapacityAttr, "10000"), nodeInfoFromAttributes("Country", "France", AttrPrice, "7", AttrCapacity, "10000"),
nodeInfoFromAttributes("Country", "Russia", PriceAttr, "2", CapacityAttr, "1"), nodeInfoFromAttributes("Country", "Russia", AttrPrice, "2", AttrCapacity, "1"),
} }
nm, err := NewNetmap(NodesFromInfo(nodes)) nm, err := NewNetmap(NodesFromInfo(nodes))
require.NoError(t, err) require.NoError(t, err)