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tools: Fix partial and empty matchers in rewrite (#3891)
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* Fix partial and empty matchers match

Signed-off-by: yeya24 <[email protected]>

* add testcase for non-equal matchers

Signed-off-by: yeya24 <[email protected]>
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@yeya24
yeya24 authored Mar 9, 2021
1 parent 05280c9 commit 38d78b5
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Showing 2 changed files with 92 additions and 4 deletions.
91 changes: 91 additions & 0 deletions pkg/compactv2/compactor_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -306,6 +306,97 @@ func TestCompactor_WriteSeries_e2e(t *testing.T) {
NumChunks: 2,
},
},
{
name: "1 blocks + delete modifier. For deletion request, full match is required. Delete the first two series",
input: [][]seriesSamples{
{
{lset: labels.Labels{{Name: "a", Value: "1"}, {Name: "b", Value: "2"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "a", Value: "1"}, {Name: "b", Value: "2"}, {Name: "foo", Value: "bar"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "a", Value: "1"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}, {10, 12}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "b", Value: "2"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}, {10, 12}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "c", Value: "1"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}, {10, 12}, {11, 11}, {20, 20}}}},
},
},
modifiers: []Modifier{WithDeletionModifier(
metadata.DeletionRequest{
Matchers: []*labels.Matcher{
labels.MustNewMatcher(labels.MatchEqual, "a", "1"),
labels.MustNewMatcher(labels.MatchEqual, "b", "2"),
},
})},
expected: []seriesSamples{
{lset: labels.Labels{{Name: "a", Value: "1"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}, {10, 12}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "b", Value: "2"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}, {10, 12}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "c", Value: "1"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}, {10, 12}, {11, 11}, {20, 20}}}},
},
expectedChanges: "Deleted {a=\"1\", b=\"2\"} [{0 20}]\nDeleted {a=\"1\", b=\"2\", foo=\"bar\"} [{0 20}]\n",
expectedStats: tsdb.BlockStats{
NumSamples: 18,
NumSeries: 3,
NumChunks: 3,
},
},
{
name: "1 blocks + delete modifier. Deletion request contains non-equal matchers.",
input: [][]seriesSamples{
{
{lset: labels.Labels{{Name: "a", Value: "1"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "a", Value: "2"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "a", Value: "2"}, {Name: "foo", Value: "1"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "a", Value: "2"}, {Name: "foo", Value: "bar"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "a", Value: "3"}, {Name: "foo", Value: "baz"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "foo", Value: "bat"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},

// Label a is present but with an empty value.
{lset: labels.Labels{{Name: "a", Value: ""}, {Name: "foo", Value: "bat"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
// Series with unrelated labels.
{lset: labels.Labels{{Name: "c", Value: "1"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
},
},
modifiers: []Modifier{WithDeletionModifier(
metadata.DeletionRequest{
Matchers: []*labels.Matcher{
labels.MustNewMatcher(labels.MatchNotEqual, "a", "1"),
labels.MustNewMatcher(labels.MatchRegexp, "foo", "^ba.$"),
},
})},
expected: []seriesSamples{
{lset: labels.Labels{{Name: "a", Value: ""}, {Name: "foo", Value: "bat"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "a", Value: "1"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "a", Value: "2"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "a", Value: "2"}, {Name: "foo", Value: "1"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "c", Value: "1"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
{lset: labels.Labels{{Name: "foo", Value: "bat"}},
chunks: [][]sample{{{0, 0}, {1, 1}, {2, 2}}, {{10, 11}, {11, 11}, {20, 20}}}},
},
expectedChanges: "Deleted {a=\"2\", foo=\"bar\"} [{0 20}]\nDeleted {a=\"3\", foo=\"baz\"} [{0 20}]\n",
expectedStats: tsdb.BlockStats{
NumSamples: 36,
NumSeries: 6,
NumChunks: 12,
},
},
} {
t.Run(tcase.name, func(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "test-series-writer")
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5 changes: 1 addition & 4 deletions pkg/compactv2/modifiers.go
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Original file line number Diff line number Diff line change
Expand Up @@ -62,12 +62,9 @@ SeriesLoop:
for _, deletions := range d.d.deletions {
for _, m := range deletions.Matchers {
v := lbls.Get(m.Name)
if v == "" {
continue
}

// Only if all matchers in the deletion request are matched can we proceed to deletion.
if !m.Matches(v) {
if v == "" || !m.Matches(v) {
continue DeletionsLoop
}
}
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