mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-21 14:44:00 +00:00
783 lines
18 KiB
Go
783 lines
18 KiB
Go
package promrelabel
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import (
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"fmt"
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"testing"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
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)
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func TestLabelsToString(t *testing.T) {
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f := func(labels []prompbmarshal.Label, sExpected string) {
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t.Helper()
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s := labelsToString(labels)
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if s != sExpected {
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t.Fatalf("unexpected result;\ngot\n%s\nwant\n%s", s, sExpected)
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}
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}
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f(nil, "{}")
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f([]prompbmarshal.Label{
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{
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Name: "__name__",
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Value: "foo",
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},
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}, "foo")
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f([]prompbmarshal.Label{
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{
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Name: "foo",
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Value: "bar",
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},
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}, `{foo="bar"}`)
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f([]prompbmarshal.Label{
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{
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Name: "foo",
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Value: "bar",
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},
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{
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Name: "a",
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Value: "bc",
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},
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}, `{a="bc",foo="bar"}`)
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f([]prompbmarshal.Label{
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{
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Name: "foo",
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Value: "bar",
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},
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{
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Name: "__name__",
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Value: "xxx",
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},
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{
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Name: "a",
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Value: "bc",
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},
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}, `xxx{a="bc",foo="bar"}`)
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}
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func TestApplyRelabelConfigs(t *testing.T) {
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f := func(config, metric string, isFinalize bool, resultExpected string) {
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t.Helper()
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pcs, err := ParseRelabelConfigsData([]byte(config), false)
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if err != nil {
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t.Fatalf("cannot parse %q: %s", config, err)
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}
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labels, err := parseMetricWithLabels(metric)
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if err != nil {
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t.Fatalf("cannot parse %s: %s", metric, err)
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}
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resultLabels := pcs.Apply(labels, 0, isFinalize)
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result := labelsToString(resultLabels)
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if result != resultExpected {
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t.Fatalf("unexpected result; got\n%s\nwant\n%s", result, resultExpected)
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}
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}
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t.Run("empty_relabel_configs", func(t *testing.T) {
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f("", `{}`, false, `{}`)
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f("", `{}`, true, `{}`)
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f("", `{foo="bar"}`, false, `{foo="bar"}`)
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f("", `xxx{foo="bar",__aaa="yyy"}`, false, `xxx{__aaa="yyy",foo="bar"}`)
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f("", `xxx{foo="bar",__aaa="yyy"}`, true, `xxx{foo="bar"}`)
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})
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t.Run("replace-miss", func(t *testing.T) {
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f(`
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- action: replace
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target_label: bar
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`, `{}`, false, `{}`)
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f(`
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- action: replace
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source_labels: ["foo"]
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target_label: bar
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`, `{}`, false, `{}`)
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f(`
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- action: replace
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source_labels: ["foo"]
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target_label: "bar"
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`, `{xxx="yyy"}`, false, `{xxx="yyy"}`)
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f(`
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- action: replace
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source_labels: ["foo"]
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target_label: "bar"
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regex: ".+"
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`, `{xxx="yyy"}`, false, `{xxx="yyy"}`)
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})
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t.Run("replace-if-miss", func(t *testing.T) {
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f(`
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- action: replace
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if: '{foo="bar"}'
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source_labels: ["xxx", "foo"]
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target_label: "bar"
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replacement: "a-$1-b"
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`, `{xxx="yyy"}`, false, `{xxx="yyy"}`)
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})
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t.Run("replace-hit", func(t *testing.T) {
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f(`
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- action: replace
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source_labels: ["xxx", "foo"]
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target_label: "bar"
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replacement: "a-$1-b"
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`, `{xxx="yyy"}`, false, `{bar="a-yyy;-b",xxx="yyy"}`)
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})
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t.Run("replace-if-hit", func(t *testing.T) {
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f(`
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- action: replace
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if: '{xxx=~".y."}'
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source_labels: ["xxx", "foo"]
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target_label: "bar"
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replacement: "a-$1-b"
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`, `{xxx="yyy"}`, false, `{bar="a-yyy;-b",xxx="yyy"}`)
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})
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t.Run("replace-remove-label-value-hit", func(t *testing.T) {
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f(`
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- action: replace
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source_labels: ["foo"]
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target_label: "foo"
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regex: "xxx"
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replacement: ""
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`, `{foo="xxx",bar="baz"}`, false, `{bar="baz"}`)
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})
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t.Run("replace-remove-label-value-miss", func(t *testing.T) {
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f(`
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- action: replace
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source_labels: ["foo"]
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target_label: "foo"
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regex: "xxx"
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replacement: ""
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`, `{foo="yyy",bar="baz"}`, false, `{bar="baz",foo="yyy"}`)
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})
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t.Run("replace-hit-remove-label", func(t *testing.T) {
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f(`
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- action: replace
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source_labels: ["xxx", "foo"]
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regex: "yyy;.+"
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target_label: "foo"
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replacement: ""
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`, `{xxx="yyy",foo="bar"}`, false, `{xxx="yyy"}`)
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})
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t.Run("replace-miss-remove-label", func(t *testing.T) {
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f(`
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- action: replace
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source_labels: ["xxx", "foo"]
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regex: "yyy;.+"
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target_label: "foo"
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replacement: ""
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`, `{xxx="yyyz",foo="bar"}`, false, `{foo="bar",xxx="yyyz"}`)
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})
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t.Run("replace-hit-target-label-with-capture-group", func(t *testing.T) {
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f(`
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- action: replace
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source_labels: ["xxx", "foo"]
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target_label: "bar-$1"
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replacement: "a-$1-b"
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`, `{xxx="yyy"}`, false, `{bar-yyy;="a-yyy;-b",xxx="yyy"}`)
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})
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t.Run("replace_all-miss", func(t *testing.T) {
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f(`
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- action: replace_all
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source_labels: [foo]
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target_label: "bar"
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`, `{}`, false, `{}`)
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f(`
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- action: replace_all
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source_labels: ["foo"]
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target_label: "bar"
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`, `{}`, false, `{}`)
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f(`
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- action: replace_all
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source_labels: ["foo"]
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target_label: "bar"
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`, `{xxx="yyy"}`, false, `{xxx="yyy"}`)
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f(`
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- action: replace_all
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source_labels: ["foo"]
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target_label: "bar"
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regex: ".+"
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`, `{xxx="yyy"}`, false, `{xxx="yyy"}`)
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})
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t.Run("replace_all-if-miss", func(t *testing.T) {
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f(`
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- action: replace_all
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if: 'foo'
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source_labels: ["xxx"]
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target_label: "xxx"
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regex: "-"
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replacement: "."
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`, `{xxx="a-b-c"}`, false, `{xxx="a-b-c"}`)
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})
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t.Run("replace_all-hit", func(t *testing.T) {
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f(`
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- action: replace_all
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source_labels: ["xxx"]
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target_label: "xxx"
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regex: "-"
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replacement: "."
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`, `{xxx="a-b-c"}`, false, `{xxx="a.b.c"}`)
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})
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t.Run("replace_all-if-hit", func(t *testing.T) {
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f(`
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- action: replace_all
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if: '{non_existing_label=~".*"}'
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source_labels: ["xxx"]
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target_label: "xxx"
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regex: "-"
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replacement: "."
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`, `{xxx="a-b-c"}`, false, `{xxx="a.b.c"}`)
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})
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t.Run("replace_all-regex-hit", func(t *testing.T) {
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f(`
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- action: replace_all
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source_labels: ["xxx", "foo"]
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target_label: "xxx"
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regex: "(;)"
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replacement: "-$1-"
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`, `{xxx="y;y"}`, false, `{xxx="y-;-y-;-"}`)
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})
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t.Run("replace-add-multi-labels", func(t *testing.T) {
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f(`
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- action: replace
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source_labels: ["xxx"]
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target_label: "bar"
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replacement: "a-$1"
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- action: replace
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source_labels: ["bar"]
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target_label: "zar"
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replacement: "b-$1"
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`, `{xxx="yyy",instance="a.bc"}`, true, `{bar="a-yyy",instance="a.bc",xxx="yyy",zar="b-a-yyy"}`)
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})
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t.Run("replace-self", func(t *testing.T) {
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f(`
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- action: replace
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source_labels: ["foo"]
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target_label: "foo"
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replacement: "a-$1"
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`, `{foo="aaxx"}`, true, `{foo="a-aaxx"}`)
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})
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t.Run("replace-missing-source", func(t *testing.T) {
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f(`
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- action: replace
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target_label: foo
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replacement: "foobar"
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`, `{}`, true, `{foo="foobar"}`)
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})
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t.Run("keep_if_equal-miss", func(t *testing.T) {
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f(`
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- action: keep_if_equal
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source_labels: ["foo", "bar"]
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`, `{}`, true, `{}`)
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f(`
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- action: keep_if_equal
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source_labels: ["xxx", "bar"]
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`, `{xxx="yyy"}`, true, `{}`)
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})
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t.Run("keep_if_equal-hit", func(t *testing.T) {
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f(`
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- action: keep_if_equal
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source_labels: ["xxx", "bar"]
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`, `{xxx="yyy",bar="yyy"}`, true, `{bar="yyy",xxx="yyy"}`)
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})
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t.Run("drop_if_equal-miss", func(t *testing.T) {
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f(`
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- action: drop_if_equal
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source_labels: ["foo", "bar"]
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`, `{}`, true, `{}`)
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f(`
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- action: drop_if_equal
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source_labels: ["xxx", "bar"]
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`, `{xxx="yyy"}`, true, `{xxx="yyy"}`)
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})
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t.Run("drop_if_equal-hit", func(t *testing.T) {
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f(`
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- action: drop_if_equal
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source_labels: [xxx, bar]
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`, `{xxx="yyy",bar="yyy"}`, true, `{}`)
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})
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t.Run("keep-miss", func(t *testing.T) {
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f(`
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- action: keep
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source_labels: [foo]
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regex: ".+"
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`, `{}`, true, `{}`)
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f(`
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- action: keep
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source_labels: [foo]
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regex: ".+"
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`, `{xxx="yyy"}`, true, `{}`)
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})
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t.Run("keep-if-miss", func(t *testing.T) {
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f(`
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- action: keep
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if: '{foo="bar"}'
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`, `{foo="yyy"}`, false, `{}`)
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})
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t.Run("keep-if-hit", func(t *testing.T) {
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f(`
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- action: keep
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if: '{foo="yyy"}'
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`, `{foo="yyy"}`, false, `{foo="yyy"}`)
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})
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t.Run("keep-hit", func(t *testing.T) {
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f(`
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- action: keep
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source_labels: [foo]
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regex: "yyy"
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`, `{foo="yyy"}`, false, `{foo="yyy"}`)
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})
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t.Run("keep-hit-regexp", func(t *testing.T) {
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f(`
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- action: keep
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source_labels: ["foo"]
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regex: ".+"
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`, `{foo="yyy"}`, false, `{foo="yyy"}`)
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})
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t.Run("keep_metrics-miss", func(t *testing.T) {
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f(`
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- action: keep_metrics
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regex:
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- foo
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- bar
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`, `xxx`, true, `{}`)
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})
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t.Run("keep_metrics-if-miss", func(t *testing.T) {
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f(`
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- action: keep_metrics
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if: 'bar'
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`, `foo`, true, `{}`)
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})
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t.Run("keep_metrics-if-hit", func(t *testing.T) {
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f(`
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- action: keep_metrics
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if: 'foo'
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`, `foo`, true, `foo`)
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})
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t.Run("keep_metrics-hit", func(t *testing.T) {
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f(`
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- action: keep_metrics
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regex:
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- foo
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- bar
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`, `foo`, true, `foo`)
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})
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t.Run("drop-miss", func(t *testing.T) {
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f(`
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- action: drop
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source_labels: [foo]
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regex: ".+"
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`, `{}`, false, `{}`)
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f(`
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- action: drop
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source_labels: [foo]
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regex: ".+"
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`, `{xxx="yyy"}`, true, `{xxx="yyy"}`)
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})
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t.Run("drop-if-miss", func(t *testing.T) {
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f(`
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- action: drop
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if: '{foo="bar"}'
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`, `{foo="yyy"}`, true, `{foo="yyy"}`)
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})
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t.Run("drop-if-hit", func(t *testing.T) {
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f(`
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- action: drop
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if: '{foo="yyy"}'
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`, `{foo="yyy"}`, true, `{}`)
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})
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t.Run("drop-hit", func(t *testing.T) {
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f(`
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- action: drop
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source_labels: [foo]
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regex: yyy
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`, `{foo="yyy"}`, true, `{}`)
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})
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t.Run("drop-hit-regexp", func(t *testing.T) {
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f(`
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- action: drop
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source_labels: [foo]
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regex: ".+"
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`, `{foo="yyy"}`, true, `{}`)
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})
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t.Run("drop_metrics-miss", func(t *testing.T) {
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f(`
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- action: drop_metrics
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regex:
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- foo
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- bar
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`, `xxx`, true, `xxx`)
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})
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t.Run("drop_metrics-if-miss", func(t *testing.T) {
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f(`
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- action: drop_metrics
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if: bar
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`, `foo`, true, `foo`)
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})
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t.Run("drop_metrics-if-hit", func(t *testing.T) {
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f(`
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- action: drop_metrics
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if: foo
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`, `foo`, true, `{}`)
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})
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t.Run("drop_metrics-hit", func(t *testing.T) {
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f(`
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- action: drop_metrics
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regex:
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- foo
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- bar
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`, `foo`, true, `{}`)
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})
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t.Run("hashmod-miss", func(t *testing.T) {
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f(`
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- action: hashmod
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source_labels: [foo]
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target_label: aaa
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modulus: 123
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`, `{xxx="yyy"}`, false, `{aaa="81",xxx="yyy"}`)
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})
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t.Run("hashmod-if-miss", func(t *testing.T) {
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f(`
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- action: hashmod
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if: '{foo="bar"}'
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source_labels: [foo]
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target_label: aaa
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modulus: 123
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`, `{foo="yyy"}`, true, `{foo="yyy"}`)
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})
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t.Run("hashmod-if-hit", func(t *testing.T) {
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f(`
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- action: hashmod
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if: '{foo="yyy"}'
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source_labels: [foo]
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target_label: aaa
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modulus: 123
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`, `{foo="yyy"}`, true, `{aaa="73",foo="yyy"}`)
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})
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t.Run("hashmod-hit", func(t *testing.T) {
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f(`
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- action: hashmod
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source_labels: [foo]
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target_label: aaa
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modulus: 123
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`, `{foo="yyy"}`, true, `{aaa="73",foo="yyy"}`)
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})
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t.Run("labelmap-copy-label-if-miss", func(t *testing.T) {
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f(`
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- action: labelmap
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if: '{foo="yyy",foobar="aab"}'
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regex: "foo"
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replacement: "bar"
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`, `{foo="yyy",foobar="aaa"}`, true, `{foo="yyy",foobar="aaa"}`)
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})
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t.Run("labelmap-copy-label-if-hit", func(t *testing.T) {
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f(`
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- action: labelmap
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if: '{foo="yyy",foobar="aaa"}'
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regex: "foo"
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replacement: "bar"
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`, `{foo="yyy",foobar="aaa"}`, true, `{bar="yyy",foo="yyy",foobar="aaa"}`)
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})
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t.Run("labelmap-copy-label", func(t *testing.T) {
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f(`
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- action: labelmap
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regex: "foo"
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replacement: "bar"
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`, `{foo="yyy",foobar="aaa"}`, true, `{bar="yyy",foo="yyy",foobar="aaa"}`)
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})
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t.Run("labelmap-remove-prefix-dot-star", func(t *testing.T) {
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f(`
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- action: labelmap
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regex: "foo(.*)"
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`, `{xoo="yyy",foobar="aaa"}`, true, `{bar="aaa",foobar="aaa",xoo="yyy"}`)
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})
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t.Run("labelmap-remove-prefix-dot-plus", func(t *testing.T) {
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f(`
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- action: labelmap
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regex: "foo(.+)"
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`, `{foo="yyy",foobar="aaa"}`, true, `{bar="aaa",foo="yyy",foobar="aaa"}`)
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})
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t.Run("labelmap-regex", func(t *testing.T) {
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f(`
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- action: labelmap
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regex: "foo(.+)"
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replacement: "$1-x"
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`, `{foo="yyy",foobar="aaa"}`, true, `{bar-x="aaa",foo="yyy",foobar="aaa"}`)
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})
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|
t.Run("labelmap_all-if-miss", func(t *testing.T) {
|
|
f(`
|
|
- action: labelmap_all
|
|
if: foobar
|
|
regex: "\\."
|
|
replacement: "-"
|
|
`, `{foo.bar.baz="yyy",foobar="aaa"}`, true, `{foo.bar.baz="yyy",foobar="aaa"}`)
|
|
})
|
|
t.Run("labelmap_all-if-hit", func(t *testing.T) {
|
|
f(`
|
|
- action: labelmap_all
|
|
if: '{foo.bar.baz="yyy"}'
|
|
regex: "\\."
|
|
replacement: "-"
|
|
`, `{foo.bar.baz="yyy",foobar="aaa"}`, true, `{foo-bar-baz="yyy",foobar="aaa"}`)
|
|
})
|
|
t.Run("labelmap_all", func(t *testing.T) {
|
|
f(`
|
|
- action: labelmap_all
|
|
regex: "\\."
|
|
replacement: "-"
|
|
`, `{foo.bar.baz="yyy",foobar="aaa"}`, true, `{foo-bar-baz="yyy",foobar="aaa"}`)
|
|
})
|
|
t.Run("labelmap_all-regexp", func(t *testing.T) {
|
|
f(`
|
|
- action: labelmap_all
|
|
regex: "ba(.)"
|
|
replacement: "${1}ss"
|
|
`, `{foo.bar.baz="yyy",foozar="aaa"}`, true, `{foo.rss.zss="yyy",foozar="aaa"}`)
|
|
})
|
|
t.Run("labeldrop", func(t *testing.T) {
|
|
f(`
|
|
- action: labeldrop
|
|
regex: dropme
|
|
`, `{aaa="bbb"}`, true, `{aaa="bbb"}`)
|
|
// if-miss
|
|
f(`
|
|
- action: labeldrop
|
|
if: foo
|
|
regex: dropme
|
|
`, `{xxx="yyy",dropme="aaa",foo="bar"}`, false, `{dropme="aaa",foo="bar",xxx="yyy"}`)
|
|
// if-hit
|
|
f(`
|
|
- action: labeldrop
|
|
if: '{xxx="yyy"}'
|
|
regex: dropme
|
|
`, `{xxx="yyy",dropme="aaa",foo="bar"}`, false, `{foo="bar",xxx="yyy"}`)
|
|
f(`
|
|
- action: labeldrop
|
|
regex: dropme
|
|
`, `{xxx="yyy",dropme="aaa",foo="bar"}`, false, `{foo="bar",xxx="yyy"}`)
|
|
// regex in single quotes
|
|
f(`
|
|
- action: labeldrop
|
|
regex: 'dropme'
|
|
`, `{xxx="yyy",dropme="aaa"}`, false, `{xxx="yyy"}`)
|
|
// regex in double quotes
|
|
f(`
|
|
- action: labeldrop
|
|
regex: "dropme"
|
|
`, `{xxx="yyy",dropme="aaa"}`, false, `{xxx="yyy"}`)
|
|
})
|
|
t.Run("labeldrop-prefix", func(t *testing.T) {
|
|
f(`
|
|
- action: labeldrop
|
|
regex: "dropme.*"
|
|
`, `{aaa="bbb"}`, true, `{aaa="bbb"}`)
|
|
f(`
|
|
- action: labeldrop
|
|
regex: "dropme(.+)"
|
|
`, `{xxx="yyy",dropme-please="aaa",foo="bar"}`, false, `{foo="bar",xxx="yyy"}`)
|
|
})
|
|
t.Run("labeldrop-regexp", func(t *testing.T) {
|
|
f(`
|
|
- action: labeldrop
|
|
regex: ".*dropme.*"
|
|
`, `{aaa="bbb"}`, true, `{aaa="bbb"}`)
|
|
f(`
|
|
- action: labeldrop
|
|
regex: ".*dropme.*"
|
|
`, `{xxx="yyy",dropme-please="aaa",foo="bar"}`, false, `{foo="bar",xxx="yyy"}`)
|
|
})
|
|
t.Run("labelkeep", func(t *testing.T) {
|
|
f(`
|
|
- action: labelkeep
|
|
regex: "keepme"
|
|
`, `{keepme="aaa"}`, true, `{keepme="aaa"}`)
|
|
// if-miss
|
|
f(`
|
|
- action: labelkeep
|
|
if: '{aaaa="awefx"}'
|
|
regex: keepme
|
|
`, `{keepme="aaa",aaaa="awef",keepme-aaa="234"}`, false, `{aaaa="awef",keepme="aaa",keepme-aaa="234"}`)
|
|
// if-hit
|
|
f(`
|
|
- action: labelkeep
|
|
if: '{aaaa="awef"}'
|
|
regex: keepme
|
|
`, `{keepme="aaa",aaaa="awef",keepme-aaa="234"}`, false, `{keepme="aaa"}`)
|
|
f(`
|
|
- action: labelkeep
|
|
regex: keepme
|
|
`, `{keepme="aaa",aaaa="awef",keepme-aaa="234"}`, false, `{keepme="aaa"}`)
|
|
})
|
|
t.Run("labelkeep-regexp", func(t *testing.T) {
|
|
f(`
|
|
- action: labelkeep
|
|
regex: "keepme.*"
|
|
`, `{keepme="aaa"}`, true, `{keepme="aaa"}`)
|
|
f(`
|
|
- action: labelkeep
|
|
regex: "keepme.*"
|
|
`, `{keepme="aaa",aaaa="awef",keepme-aaa="234"}`, false, `{keepme="aaa",keepme-aaa="234"}`)
|
|
})
|
|
t.Run("upper-lower-case", func(t *testing.T) {
|
|
f(`
|
|
- action: uppercase
|
|
source_labels: ["foo"]
|
|
target_label: foo
|
|
`, `{foo="bar"}`, true, `{foo="BAR"}`)
|
|
f(`
|
|
- action: lowercase
|
|
source_labels: ["foo", "bar"]
|
|
target_label: baz
|
|
- action: labeldrop
|
|
regex: foo|bar
|
|
`, `{foo="BaR",bar="fOO"}`, true, `{baz="bar;foo"}`)
|
|
f(`
|
|
- action: lowercase
|
|
source_labels: ["foo"]
|
|
target_label: baz
|
|
- action: uppercase
|
|
source_labels: ["bar"]
|
|
target_label: baz
|
|
`, `{qux="quux"}`, true, `{qux="quux"}`)
|
|
})
|
|
t.Run("graphite-match", func(t *testing.T) {
|
|
f(`
|
|
- action: graphite
|
|
match: foo.*.baz
|
|
labels:
|
|
__name__: aaa
|
|
job: ${1}-zz
|
|
`, `foo.bar.baz`, true, `aaa{job="bar-zz"}`)
|
|
})
|
|
t.Run("graphite-mismatch", func(t *testing.T) {
|
|
f(`
|
|
- action: graphite
|
|
match: foo.*.baz
|
|
labels:
|
|
__name__: aaa
|
|
job: ${1}-zz
|
|
`, `foo.bar.bazz`, true, `foo.bar.bazz`)
|
|
})
|
|
t.Run("replacement-with-label-refs", func(t *testing.T) {
|
|
// no regex
|
|
f(`
|
|
- target_label: abc
|
|
replacement: "{{__name__}}.{{foo}}"
|
|
`, `qwe{foo="bar",baz="aaa"}`, true, `qwe{abc="qwe.bar",baz="aaa",foo="bar"}`)
|
|
// with regex
|
|
f(`
|
|
- target_label: abc
|
|
replacement: "{{__name__}}.{{foo}}.$1"
|
|
source_labels: [baz]
|
|
regex: "a(.+)"
|
|
`, `qwe{foo="bar",baz="aaa"}`, true, `qwe{abc="qwe.bar.aa",baz="aaa",foo="bar"}`)
|
|
})
|
|
}
|
|
|
|
func TestFinalizeLabels(t *testing.T) {
|
|
f := func(metric, resultExpected string) {
|
|
t.Helper()
|
|
labels, err := parseMetricWithLabels(metric)
|
|
if err != nil {
|
|
t.Fatalf("cannot parse %s: %s", metric, err)
|
|
}
|
|
resultLabels := FinalizeLabels(nil, labels)
|
|
result := labelsToString(resultLabels)
|
|
if result != resultExpected {
|
|
t.Fatalf("unexpected result; got\n%s\nwant\n%s", result, resultExpected)
|
|
}
|
|
}
|
|
f(`{}`, `{}`)
|
|
f(`{foo="bar",__aaa="ass",instance="foo.com"}`, `{foo="bar",instance="foo.com"}`)
|
|
f(`{foo="bar",instance="ass",__address__="foo.com"}`, `{foo="bar",instance="ass"}`)
|
|
f(`{foo="bar",abc="def",__address__="foo.com"}`, `{abc="def",foo="bar"}`)
|
|
}
|
|
|
|
func TestRemoveMetaLabels(t *testing.T) {
|
|
f := func(metric, resultExpected string) {
|
|
t.Helper()
|
|
labels, err := parseMetricWithLabels(metric)
|
|
if err != nil {
|
|
t.Fatalf("cannot parse %s: %s", metric, err)
|
|
}
|
|
resultLabels := RemoveMetaLabels(nil, labels)
|
|
result := labelsToString(resultLabels)
|
|
if result != resultExpected {
|
|
t.Fatalf("unexpected result of RemoveMetaLabels;\ngot\n%s\nwant\n%s", result, resultExpected)
|
|
}
|
|
}
|
|
f(`{}`, `{}`)
|
|
f(`{foo="bar"}`, `{foo="bar"}`)
|
|
f(`{__meta_foo="bar"}`, `{}`)
|
|
f(`{__meta_foo="bdffr",foo="bar",__meta_xxx="basd"}`, `{foo="bar"}`)
|
|
}
|
|
|
|
func TestFillLabelReferences(t *testing.T) {
|
|
f := func(replacement, metric, resultExpected string) {
|
|
t.Helper()
|
|
labels, err := parseMetricWithLabels(metric)
|
|
if err != nil {
|
|
t.Fatalf("cannot parse %s: %s", metric, err)
|
|
}
|
|
result := fillLabelReferences(nil, replacement, labels)
|
|
if string(result) != resultExpected {
|
|
t.Fatalf("unexpected result; got\n%q\nwant\n%q", result, resultExpected)
|
|
}
|
|
}
|
|
f(``, `foo{bar="baz"}`, ``)
|
|
f(`abc`, `foo{bar="baz"}`, `abc`)
|
|
f(`foo{{bar`, `foo{bar="baz"}`, `foo{{bar`)
|
|
f(`foo-$1`, `foo{bar="baz"}`, `foo-$1`)
|
|
f(`foo{{bar}}`, `foo{bar="baz"}`, `foobaz`)
|
|
f(`{{bar}}`, `foo{bar="baz"}`, `baz`)
|
|
f(`{{bar}}-aa`, `foo{bar="baz"}`, `baz-aa`)
|
|
f(`{{bar}}-aa{{__name__}}.{{bar}}{{non-existing-label}}`, `foo{bar="baz"}`, `baz-aafoo.baz`)
|
|
}
|
|
|
|
func TestRegexMatchStringSuccess(t *testing.T) {
|
|
f := func(pattern, s string) {
|
|
t.Helper()
|
|
prc := newTestRegexRelabelConfig(pattern)
|
|
if !prc.regex.MatchString(s) {
|
|
t.Fatalf("unexpected MatchString(%q) result; got false; want true", s)
|
|
}
|
|
}
|
|
f("", "")
|
|
f("foo", "foo")
|
|
f(".*", "")
|
|
f(".*", "foo")
|
|
f("foo.*", "foobar")
|
|
f("foo.+", "foobar")
|
|
f("f.+o", "foo")
|
|
f("foo|bar", "bar")
|
|
f("^(foo|bar)$", "foo")
|
|
f("foo.+", "foobar")
|
|
f("^foo$", "foo")
|
|
}
|
|
|
|
func TestRegexpMatchStringFailure(t *testing.T) {
|
|
f := func(pattern, s string) {
|
|
t.Helper()
|
|
prc := newTestRegexRelabelConfig(pattern)
|
|
if prc.regex.MatchString(s) {
|
|
t.Fatalf("unexpected MatchString(%q) result; got true; want false", s)
|
|
}
|
|
}
|
|
f("", "foo")
|
|
f("foo", "")
|
|
f("foo.*", "foa")
|
|
f("foo.+", "foo")
|
|
f("f.+o", "foor")
|
|
f("foo|bar", "barz")
|
|
f("^(foo|bar)$", "xfoo")
|
|
f("foo.+", "foo")
|
|
f("^foo$", "foobar")
|
|
}
|
|
|
|
func newTestRegexRelabelConfig(pattern string) *parsedRelabelConfig {
|
|
rc := &RelabelConfig{
|
|
Action: "labeldrop",
|
|
Regex: &MultiLineRegex{
|
|
S: pattern,
|
|
},
|
|
}
|
|
prc, err := parseRelabelConfig(rc)
|
|
if err != nil {
|
|
panic(fmt.Errorf("unexpected error in parseRelabelConfig: %s", err))
|
|
}
|
|
return prc
|
|
}
|