forked from TrueCloudLab/frostfs-api-go
6a69a896e5
When selector attribute is provided it should be silently replaced by transparent ID, so each node resides in a separate bucket. Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
240 lines
8.9 KiB
Go
240 lines
8.9 KiB
Go
package netmap
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import (
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"errors"
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"fmt"
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"testing"
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"github.com/nspcc-dev/neofs-api-go/v2/netmap"
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"github.com/stretchr/testify/require"
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)
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func TestPlacementPolicy_UnspecifiedClause(t *testing.T) {
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p := newPlacementPolicy(1,
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[]*netmap.Replica{newReplica(1, "X")},
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[]*netmap.Selector{
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newSelector("X", "", netmap.Distinct, 4, "*"),
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},
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nil,
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)
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nodes := []netmap.NodeInfo{
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nodeInfoFromAttributes("ID", "1", "Country", "RU", "City", "St.Petersburg", "SSD", "0"),
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nodeInfoFromAttributes("ID", "2", "Country", "RU", "City", "St.Petersburg", "SSD", "1"),
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nodeInfoFromAttributes("ID", "3", "Country", "RU", "City", "Moscow", "SSD", "1"),
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nodeInfoFromAttributes("ID", "4", "Country", "RU", "City", "Moscow", "SSD", "1"),
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}
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nm, err := NewNetmap(NodesFromV2(nodes))
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require.NoError(t, err)
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v, err := nm.GetContainerNodes(p, nil)
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require.NoError(t, err)
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require.Equal(t, 4, len(v.Flatten()))
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}
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func TestPlacementPolicy_GetPlacementVectors(t *testing.T) {
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p := newPlacementPolicy(2,
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[]*netmap.Replica{
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newReplica(1, "SPB"),
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newReplica(2, "Americas"),
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},
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[]*netmap.Selector{
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newSelector("SPB", "City", netmap.Same, 1, "SPBSSD"),
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newSelector("Americas", "City", netmap.Distinct, 2, "Americas"),
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},
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[]*netmap.Filter{
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newFilter("SPBSSD", "", "", netmap.AND,
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newFilter("", "Country", "RU", netmap.EQ),
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newFilter("", "City", "St.Petersburg", netmap.EQ),
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newFilter("", "SSD", "1", netmap.EQ)),
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newFilter("Americas", "", "", netmap.OR,
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newFilter("", "Continent", "NA", netmap.EQ),
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newFilter("", "Continent", "SA", netmap.EQ)),
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})
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nodes := []netmap.NodeInfo{
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nodeInfoFromAttributes("ID", "1", "Country", "RU", "City", "St.Petersburg", "SSD", "0"),
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nodeInfoFromAttributes("ID", "2", "Country", "RU", "City", "St.Petersburg", "SSD", "1"),
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nodeInfoFromAttributes("ID", "3", "Country", "RU", "City", "Moscow", "SSD", "1"),
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nodeInfoFromAttributes("ID", "4", "Country", "RU", "City", "Moscow", "SSD", "1"),
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nodeInfoFromAttributes("ID", "5", "Country", "RU", "City", "St.Petersburg", "SSD", "1"),
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nodeInfoFromAttributes("ID", "6", "Continent", "NA", "City", "NewYork"),
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nodeInfoFromAttributes("ID", "7", "Continent", "AF", "City", "Cairo"),
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nodeInfoFromAttributes("ID", "8", "Continent", "AF", "City", "Cairo"),
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nodeInfoFromAttributes("ID", "9", "Continent", "SA", "City", "Lima"),
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nodeInfoFromAttributes("ID", "10", "Continent", "AF", "City", "Cairo"),
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nodeInfoFromAttributes("ID", "11", "Continent", "NA", "City", "NewYork"),
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nodeInfoFromAttributes("ID", "12", "Continent", "NA", "City", "LosAngeles"),
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nodeInfoFromAttributes("ID", "13", "Continent", "SA", "City", "Lima"),
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}
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nm, err := NewNetmap(NodesFromV2(nodes))
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require.NoError(t, err)
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v, err := nm.GetContainerNodes(p, nil)
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require.NoError(t, err)
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require.Equal(t, 2, len(v.Replicas()))
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require.Equal(t, 6, len(v.Flatten()))
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require.Equal(t, 2, len(v.Replicas()[0]))
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ids := map[string]struct{}{}
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for _, ni := range v.Replicas()[0] {
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require.Equal(t, "RU", ni.Attribute("Country"))
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require.Equal(t, "St.Petersburg", ni.Attribute("City"))
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require.Equal(t, "1", ni.Attribute("SSD"))
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ids[ni.Attribute("ID")] = struct{}{}
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}
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require.Equal(t, len(v.Replicas()[0]), len(ids), "not all nodes we distinct")
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require.Equal(t, 4, len(v.Replicas()[1])) // 2 cities * 2 HRWB
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ids = map[string]struct{}{}
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for _, ni := range v.Replicas()[1] {
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require.Contains(t, []string{"NA", "SA"}, ni.Attribute("Continent"))
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ids[ni.Attribute("ID")] = struct{}{}
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}
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require.Equal(t, len(v.Replicas()[1]), len(ids), "not all nodes we distinct")
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}
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func TestPlacementPolicy_ProcessSelectors(t *testing.T) {
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p := newPlacementPolicy(2, nil,
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[]*netmap.Selector{
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newSelector("SameRU", "City", netmap.Same, 2, "FromRU"),
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newSelector("DistinctRU", "City", netmap.Distinct, 2, "FromRU"),
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newSelector("Good", "Country", netmap.Distinct, 2, "Good"),
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newSelector("Main", "Country", netmap.Distinct, 3, "*"),
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},
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[]*netmap.Filter{
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newFilter("FromRU", "Country", "Russia", netmap.EQ),
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newFilter("Good", "Rating", "4", netmap.GE),
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})
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nodes := []netmap.NodeInfo{
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nodeInfoFromAttributes("Country", "Russia", "Rating", "1", "City", "SPB"),
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nodeInfoFromAttributes("Country", "Germany", "Rating", "5", "City", "Berlin"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "6", "City", "Moscow"),
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nodeInfoFromAttributes("Country", "France", "Rating", "4", "City", "Paris"),
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nodeInfoFromAttributes("Country", "France", "Rating", "1", "City", "Lyon"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "5", "City", "SPB"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "7", "City", "Moscow"),
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nodeInfoFromAttributes("Country", "Germany", "Rating", "3", "City", "Darmstadt"),
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nodeInfoFromAttributes("Country", "Germany", "Rating", "7", "City", "Frankfurt"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "9", "City", "SPB"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "9", "City", "SPB"),
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}
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nm, err := NewNetmap(NodesFromV2(nodes))
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require.NoError(t, err)
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c := NewContext(nm)
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require.NoError(t, c.processFilters(p))
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require.NoError(t, c.processSelectors(p))
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for _, s := range p.GetSelectors() {
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sel := c.Selections[s.GetName()]
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s := c.Selectors[s.GetName()]
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bucketCount, nodesInBucket := GetNodesCount(p, s)
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targ := fmt.Sprintf("selector '%s'", s.GetName())
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require.Equal(t, bucketCount, len(sel), targ)
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for _, res := range sel {
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require.Equal(t, nodesInBucket, len(res), targ)
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for j := range res {
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require.True(t, c.applyFilter(s.GetFilter(), res[j]), targ)
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}
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}
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}
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}
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func TestPlacementPolicy_ProcessSelectorsHRW(t *testing.T) {
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p := newPlacementPolicy(1, nil,
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[]*netmap.Selector{
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newSelector("Main", "Country", netmap.Distinct, 3, "*"),
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}, nil)
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// bucket weight order: RU > DE > FR
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nodes := []netmap.NodeInfo{
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nodeInfoFromAttributes("Country", "Germany", PriceAttr, "2", CapacityAttr, "10000"),
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nodeInfoFromAttributes("Country", "Germany", PriceAttr, "4", CapacityAttr, "1"),
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nodeInfoFromAttributes("Country", "France", PriceAttr, "3", CapacityAttr, "10"),
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nodeInfoFromAttributes("Country", "Russia", PriceAttr, "2", CapacityAttr, "10000"),
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nodeInfoFromAttributes("Country", "Russia", PriceAttr, "1", CapacityAttr, "10000"),
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nodeInfoFromAttributes("Country", "Russia", CapacityAttr, "10000"),
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nodeInfoFromAttributes("Country", "France", PriceAttr, "100", CapacityAttr, "1"),
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nodeInfoFromAttributes("Country", "France", PriceAttr, "7", CapacityAttr, "10000"),
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nodeInfoFromAttributes("Country", "Russia", PriceAttr, "2", CapacityAttr, "1"),
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}
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nm, err := NewNetmap(NodesFromV2(nodes))
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require.NoError(t, err)
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c := NewContext(nm)
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c.setPivot([]byte("containerID"))
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c.weightFunc = newWeightFunc(newMaxNorm(10000), newReverseMinNorm(1))
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c.aggregator = newMaxAgg
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require.NoError(t, c.processFilters(p))
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require.NoError(t, c.processSelectors(p))
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cnt := c.Selections["Main"]
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expected := []Nodes{
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{{Index: 4, Capacity: 10000, Price: 1}}, // best RU
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{{Index: 0, Capacity: 10000, Price: 2}}, // best DE
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{{Index: 7, Capacity: 10000, Price: 7}}, // best FR
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}
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require.Equal(t, len(expected), len(cnt))
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for i := range expected {
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require.Equal(t, len(expected[i]), len(cnt[i]))
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require.Equal(t, expected[i][0].Index, cnt[i][0].Index)
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require.Equal(t, expected[i][0].Capacity, cnt[i][0].Capacity)
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require.Equal(t, expected[i][0].Price, cnt[i][0].Price)
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}
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res, err := nm.GetPlacementVectors(containerNodes(cnt), []byte("objectID"))
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require.NoError(t, err)
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require.Equal(t, res, cnt)
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}
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func TestPlacementPolicy_ProcessSelectorsInvalid(t *testing.T) {
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testCases := []struct {
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name string
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p *netmap.PlacementPolicy
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err error
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}{
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{
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"MissingSelector",
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newPlacementPolicy(2, nil,
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[]*netmap.Selector{nil},
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[]*netmap.Filter{}),
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ErrMissingField,
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},
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{
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"InvalidFilterReference",
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newPlacementPolicy(1, nil,
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[]*netmap.Selector{newSelector("MyStore", "Country", netmap.Distinct, 1, "FromNL")},
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[]*netmap.Filter{newFilter("FromRU", "Country", "Russia", netmap.EQ)}),
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ErrFilterNotFound,
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},
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{
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"NotEnoughNodes (backup factor)",
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newPlacementPolicy(2, nil,
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[]*netmap.Selector{newSelector("MyStore", "Country", netmap.Distinct, 1, "FromRU")},
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[]*netmap.Filter{newFilter("FromRU", "Country", "Russia", netmap.EQ)}),
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ErrNotEnoughNodes,
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},
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{
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"NotEnoughNodes (buckets)",
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newPlacementPolicy(1, nil,
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[]*netmap.Selector{newSelector("MyStore", "Country", netmap.Distinct, 2, "FromRU")},
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[]*netmap.Filter{newFilter("FromRU", "Country", "Russia", netmap.EQ)}),
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ErrNotEnoughNodes,
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},
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}
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nodes := []netmap.NodeInfo{
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nodeInfoFromAttributes("Country", "Russia"),
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nodeInfoFromAttributes("Country", "Germany"),
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nodeInfoFromAttributes(),
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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nm, err := NewNetmap(NodesFromV2(nodes))
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require.NoError(t, err)
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c := NewContext(nm)
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require.NoError(t, c.processFilters(tc.p))
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err = c.processSelectors(tc.p)
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require.True(t, errors.Is(err, tc.err), "got: %v", err)
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})
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}
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}
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