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524 lines
14 KiB
524 lines
14 KiB
package querier
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import (
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"context"
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"fmt"
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"strconv"
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"strings"
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"testing"
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"time"
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"unicode"
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"github.com/go-kit/log"
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"github.com/grafana/dskit/user"
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"github.com/prometheus/prometheus/model/labels"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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"github.com/grafana/loki/v3/pkg/iter"
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"github.com/grafana/loki/v3/pkg/logproto"
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"github.com/grafana/loki/v3/pkg/logql"
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"github.com/grafana/loki/v3/pkg/logql/syntax"
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"github.com/grafana/loki/v3/pkg/querier/plan"
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)
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func TestMultiTenantQuerier_SelectLogs(t *testing.T) {
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for _, tc := range []struct {
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desc string
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orgID string
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selector string
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expLabels []string
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expLines []string
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}{
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{
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"two tenants",
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"1|2",
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`{type="test"}`,
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[]string{
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`{__tenant_id__="1", type="test"}`,
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`{__tenant_id__="1", type="test"}`,
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`{__tenant_id__="2", type="test"}`,
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`{__tenant_id__="2", type="test"}`,
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},
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[]string{"line 1", "line 2", "line 1", "line 2"},
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},
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{
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"two tenants with selector",
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"1|2",
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`{type="test", __tenant_id__="1"}`,
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[]string{
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`{__tenant_id__="1", type="test"}`,
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`{__tenant_id__="1", type="test"}`,
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},
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[]string{"line 1", "line 2", "line 1", "line 2"},
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},
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{
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"two tenants with selector and pipeline filter",
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"1|2",
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`{type="test", __tenant_id__!="2"} | logfmt | some_lable="foobar"`,
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[]string{
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`{__tenant_id__="1", type="test"}`,
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`{__tenant_id__="1", type="test"}`,
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},
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[]string{"line 1", "line 2", "line 1", "line 2"},
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},
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{
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"one tenant",
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"1",
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`{type="test"}`,
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[]string{
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`{type="test"}`,
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`{type="test"}`,
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},
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[]string{"line 1", "line 2"},
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},
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} {
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t.Run(tc.desc, func(t *testing.T) {
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querier := newQuerierMock()
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querier.On("SelectLogs", mock.Anything, mock.Anything).Return(func() iter.EntryIterator { return mockStreamIterator(1, 2) }, nil)
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multiTenantQuerier := NewMultiTenantQuerier(querier, log.NewNopLogger())
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ctx := user.InjectOrgID(context.Background(), tc.orgID)
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params := logql.SelectLogParams{QueryRequest: &logproto.QueryRequest{
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Selector: tc.selector,
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Direction: logproto.BACKWARD,
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Limit: 0,
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Shards: nil,
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Start: time.Unix(0, 1),
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End: time.Unix(0, time.Now().UnixNano()),
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Plan: &plan.QueryPlan{
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AST: syntax.MustParseExpr(tc.selector),
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},
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}}
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iter, err := multiTenantQuerier.SelectLogs(ctx, params)
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require.NoError(t, err)
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entriesCount := 0
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for iter.Next() {
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require.Equal(t, tc.expLabels[entriesCount], iter.Labels())
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require.Equal(t, tc.expLines[entriesCount], iter.At().Line)
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entriesCount++
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}
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require.Equalf(t, len(tc.expLabels), entriesCount, "Expected %d entries but got %d", len(tc.expLabels), entriesCount)
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})
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}
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}
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func TestMultiTenantQuerier_SelectSamples(t *testing.T) {
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for _, tc := range []struct {
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desc string
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orgID string
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selector string
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expLabels []string
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}{
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{
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"two tenants",
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"1|2",
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`count_over_time({foo="bar"}[1m]) > 10`,
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[]string{
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`{__tenant_id__="1", app="foo"}`,
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`{__tenant_id__="2", app="foo"}`,
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`{__tenant_id__="2", app="bar"}`,
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`{__tenant_id__="1", app="bar"}`,
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`{__tenant_id__="1", app="foo"}`,
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`{__tenant_id__="2", app="foo"}`,
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`{__tenant_id__="2", app="bar"}`,
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`{__tenant_id__="1", app="bar"}`,
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},
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},
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{
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"two tenants with selector",
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"1|2",
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`count_over_time({foo="bar", __tenant_id__="1"}[1m]) > 10`,
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[]string{
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`{__tenant_id__="1", app="foo"}`,
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`{__tenant_id__="1", app="bar"}`,
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`{__tenant_id__="1", app="foo"}`,
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`{__tenant_id__="1", app="bar"}`,
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},
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},
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{
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"one tenant",
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"1",
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`count_over_time({foo="bar"}[1m]) > 10`,
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[]string{
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`{app="foo"}`,
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`{app="bar"}`,
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`{app="foo"}`,
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`{app="bar"}`,
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},
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},
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} {
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t.Run(tc.desc, func(t *testing.T) {
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querier := newQuerierMock()
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querier.On("SelectSamples", mock.Anything, mock.Anything).Return(func() iter.SampleIterator { return newSampleIterator() }, nil)
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multiTenantQuerier := NewMultiTenantQuerier(querier, log.NewNopLogger())
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ctx := user.InjectOrgID(context.Background(), tc.orgID)
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params := logql.SelectSampleParams{SampleQueryRequest: &logproto.SampleQueryRequest{
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Selector: tc.selector,
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Plan: &plan.QueryPlan{
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AST: syntax.MustParseExpr(tc.selector),
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},
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}}
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iter, err := multiTenantQuerier.SelectSamples(ctx, params)
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require.NoError(t, err)
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received := make([]string, 0, len(tc.expLabels))
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for iter.Next() {
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received = append(received, iter.Labels())
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}
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require.ElementsMatch(t, tc.expLabels, received)
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})
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}
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}
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func TestMultiTenantQuerier_TenantFilter(t *testing.T) {
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for _, tc := range []struct {
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selector string
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expected string
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}{
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{
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`count_over_time({foo="bar", __tenant_id__="1"}[1m]) > 10`,
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`(count_over_time({foo="bar"}[1m]) > 10)`,
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},
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{
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`topk(2, count_over_time({app="foo", __tenant_id__="1"}[3m]))`,
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`topk(2, count_over_time({app="foo"}[3m]))`,
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},
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} {
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t.Run(tc.selector, func(t *testing.T) {
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params := logql.SelectSampleParams{SampleQueryRequest: &logproto.SampleQueryRequest{
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Selector: tc.selector,
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Plan: &plan.QueryPlan{
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AST: syntax.MustParseExpr(tc.selector),
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},
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}}
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_, updatedSelector, err := removeTenantSelector(params, []string{})
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require.NoError(t, err)
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require.Equal(t, removeWhiteSpace(tc.expected), removeWhiteSpace(updatedSelector.String()))
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})
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}
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}
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var samples = []logproto.Sample{
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{Timestamp: time.Unix(2, 0).UnixNano(), Hash: 1, Value: 1.},
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{Timestamp: time.Unix(5, 0).UnixNano(), Hash: 2, Value: 1.},
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}
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var (
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labelFoo, _ = syntax.ParseLabels("{app=\"foo\"}")
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labelBar, _ = syntax.ParseLabels("{app=\"bar\"}")
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)
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func newSampleIterator() iter.SampleIterator {
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return iter.NewSortSampleIterator([]iter.SampleIterator{
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iter.NewSeriesIterator(logproto.Series{
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Labels: labelFoo.String(),
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Samples: samples,
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StreamHash: labelFoo.Hash(),
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}),
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iter.NewSeriesIterator(logproto.Series{
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Labels: labelBar.String(),
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Samples: samples,
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StreamHash: labelBar.Hash(),
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}),
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})
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}
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func BenchmarkTenantEntryIteratorLabels(b *testing.B) {
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it := newMockEntryIterator(12)
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tenantIter := NewTenantEntryIterator(it, "tenant_1")
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b.ResetTimer()
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b.ReportAllocs()
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for n := 0; n < b.N; n++ {
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tenantIter.Labels()
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}
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}
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type mockEntryIterator struct {
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labels string
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}
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func newMockEntryIterator(numLabels int) mockEntryIterator {
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builder := labels.NewBuilder(nil)
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for i := 1; i <= numLabels; i++ {
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builder.Set(fmt.Sprintf("label_%d", i), strconv.Itoa(i))
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}
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return mockEntryIterator{labels: builder.Labels().String()}
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}
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func (it mockEntryIterator) Labels() string {
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return it.labels
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}
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func (it mockEntryIterator) At() logproto.Entry {
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return logproto.Entry{}
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}
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func (it mockEntryIterator) Next() bool {
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return true
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}
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func (it mockEntryIterator) StreamHash() uint64 {
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return 0
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}
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func (it mockEntryIterator) Err() error {
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return nil
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}
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func (it mockEntryIterator) Close() error {
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return nil
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}
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func TestMultiTenantQuerier_Label(t *testing.T) {
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start := time.Unix(0, 0)
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end := time.Unix(10, 0)
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mockLabelRequest := func(name string) *logproto.LabelRequest {
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return &logproto.LabelRequest{
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Name: name,
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Values: name != "",
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Start: &start,
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End: &end,
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}
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}
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for _, tc := range []struct {
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desc string
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name string
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orgID string
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expectedLabels []string
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}{
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{
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desc: "test label request for multiple tenants",
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name: "test",
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orgID: "1|2",
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expectedLabels: []string{"test"},
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},
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{
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desc: "test label request for a single tenant",
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name: "test",
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orgID: "1",
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expectedLabels: []string{"test"},
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},
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{
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desc: "defaultTenantLabel label request for multiple tenants",
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name: defaultTenantLabel,
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orgID: "1|2",
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expectedLabels: []string{"1", "2"},
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},
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{
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desc: "defaultTenantLabel label request for a single tenant",
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name: defaultTenantLabel,
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orgID: "1",
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expectedLabels: []string{"1"},
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},
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{
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desc: "label names for multiple tenants",
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name: "",
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orgID: "1|2",
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expectedLabels: []string{defaultTenantLabel, "test"},
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},
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{
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desc: "label names for a single tenant",
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name: "",
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orgID: "1",
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expectedLabels: []string{"test"},
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},
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} {
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t.Run(tc.desc, func(t *testing.T) {
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querier := newQuerierMock()
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querier.On("Label", mock.Anything, mock.Anything).Return(mockLabelResponse([]string{"test"}), nil)
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multiTenantQuerier := NewMultiTenantQuerier(querier, log.NewNopLogger())
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ctx := user.InjectOrgID(context.Background(), tc.orgID)
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resp, err := multiTenantQuerier.Label(ctx, mockLabelRequest(tc.name))
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require.NoError(t, err)
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require.Equal(t, tc.expectedLabels, resp.GetValues())
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})
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}
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}
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func TestMultiTenantQuerierSeries(t *testing.T) {
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for _, tc := range []struct {
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desc string
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orgID string
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expectedSeries []logproto.SeriesIdentifier
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}{
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{
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desc: "two tenantIDs",
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orgID: "1|2",
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expectedSeries: []logproto.SeriesIdentifier{
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "2", "__tenant_id__", "1")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "3", "__tenant_id__", "1")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "4", "__tenant_id__", "1")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "5", "__tenant_id__", "1")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "2", "__tenant_id__", "2")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "3", "__tenant_id__", "2")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "4", "__tenant_id__", "2")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "5", "__tenant_id__", "2")},
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},
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},
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{
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desc: "three tenantIDs",
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orgID: "1|2|3",
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expectedSeries: []logproto.SeriesIdentifier{
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "2", "__tenant_id__", "1")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "3", "__tenant_id__", "1")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "4", "__tenant_id__", "1")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "5", "__tenant_id__", "1")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "2", "__tenant_id__", "2")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "3", "__tenant_id__", "2")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "4", "__tenant_id__", "2")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "5", "__tenant_id__", "2")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "2", "__tenant_id__", "3")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "3", "__tenant_id__", "3")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "4", "__tenant_id__", "3")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "5", "__tenant_id__", "3")},
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},
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},
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{
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desc: "single tenantID; behaves like a normal `Series` call",
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orgID: "2",
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expectedSeries: []logproto.SeriesIdentifier{
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "2")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "3")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "4")},
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{Labels: logproto.MustNewSeriesEntries("a", "1", "b", "5")},
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},
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},
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} {
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t.Run(tc.desc, func(t *testing.T) {
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querier := newQuerierMock()
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querier.On("Series", mock.Anything, mock.Anything).Return(func() *logproto.SeriesResponse { return mockSeriesResponse() }, nil)
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multiTenantQuerier := NewMultiTenantQuerier(querier, log.NewNopLogger())
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ctx := user.InjectOrgID(context.Background(), tc.orgID)
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resp, err := multiTenantQuerier.Series(ctx, mockSeriesRequest())
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require.NoError(t, err)
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require.Equal(t, tc.expectedSeries, resp.GetSeries())
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})
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}
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}
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func TestVolume(t *testing.T) {
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for _, tc := range []struct {
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desc string
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orgID string
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expectedVolumes []logproto.Volume
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}{
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{
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desc: "multiple tenants are aggregated",
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orgID: "1|2",
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expectedVolumes: []logproto.Volume{
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{Name: `{foo="bar"}`, Volume: 76},
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},
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},
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{
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desc: "single tenant",
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orgID: "2",
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expectedVolumes: []logproto.Volume{
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{Name: `{foo="bar"}`, Volume: 38},
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},
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},
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} {
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t.Run(tc.desc, func(t *testing.T) {
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querier := newQuerierMock()
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querier.On("Volume", mock.Anything, mock.Anything).Return(mockLabelValueResponse(), nil)
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multiTenantQuerier := NewMultiTenantQuerier(querier, log.NewNopLogger())
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ctx := user.InjectOrgID(context.Background(), tc.orgID)
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resp, err := multiTenantQuerier.Volume(ctx, mockLabelValueRequest())
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require.NoError(t, err)
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require.Equal(t, tc.expectedVolumes, resp.GetVolumes())
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})
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}
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}
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func mockSeriesRequest() *logproto.SeriesRequest {
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return &logproto.SeriesRequest{
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Start: time.Unix(0, 0),
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End: time.Unix(10, 0),
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}
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}
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func mockSeriesResponse() *logproto.SeriesResponse {
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return &logproto.SeriesResponse{
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Series: []logproto.SeriesIdentifier{
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{
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Labels: logproto.MustNewSeriesEntries("a", "1", "b", "2"),
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},
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{
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Labels: logproto.MustNewSeriesEntries("a", "1", "b", "3"),
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},
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{
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Labels: logproto.MustNewSeriesEntries("a", "1", "b", "4"),
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},
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{
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Labels: logproto.MustNewSeriesEntries("a", "1", "b", "5"),
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},
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},
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}
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}
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func mockLabelValueRequest() *logproto.VolumeRequest {
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return &logproto.VolumeRequest{
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From: 0,
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Through: 1000,
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Matchers: `{foo="bar"}`,
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Limit: 10,
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}
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}
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func mockLabelValueResponse() *logproto.VolumeResponse {
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return &logproto.VolumeResponse{Volumes: []logproto.Volume{
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{Name: `{foo="bar"}`, Volume: 38},
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},
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Limit: 10,
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}
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}
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func removeWhiteSpace(s string) string {
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return strings.Map(func(r rune) rune {
|
|
if r == ' ' || unicode.IsSpace(r) {
|
|
return -1
|
|
}
|
|
return r
|
|
}, s)
|
|
}
|
|
|
|
func TestSliceToSet(t *testing.T) {
|
|
for _, tc := range []struct {
|
|
desc string
|
|
slice []string
|
|
expected map[string]struct{}
|
|
}{
|
|
{
|
|
desc: "empty slice",
|
|
slice: []string{},
|
|
expected: map[string]struct{}{},
|
|
},
|
|
{
|
|
desc: "single element",
|
|
slice: []string{"a"},
|
|
expected: map[string]struct{}{"a": {}},
|
|
},
|
|
{
|
|
desc: "multiple elements",
|
|
slice: []string{"a", "b", "c"},
|
|
expected: map[string]struct{}{"a": {}, "b": {}, "c": {}},
|
|
},
|
|
} {
|
|
t.Run(tc.desc, func(t *testing.T) {
|
|
actual := sliceToSet(tc.slice)
|
|
require.Equal(t, tc.expected, actual)
|
|
})
|
|
}
|
|
}
|
|
|