mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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1c7d8adc65
- Disallow more than 3 items in Loki line entry, since it must contain two mandatory entries: timestamp and message, plus one optional entry - structured metadata. See https://grafana.com/docs/loki/latest/reference/loki-http-api/#ingest-logs - Update references to structured metadata docs in Loki, in order to simplify further maintenance of the code - Move the change from bugfix to feature at docs/VictoriaLogs/CHANGELOG.md, since VictoriaLogs never supported structured metadata over JSON Loki protocol. The support for structured metadata in protobuf Loki protocol has been added inac06569c49, which has been included in v0.28.0-victorialogs. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7431 Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/7432 (cherry picked from commit3d75c39ff4)
129 lines
3.5 KiB
Go
129 lines
3.5 KiB
Go
package loki
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import (
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"testing"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
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)
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func TestParseJSONRequest_Failure(t *testing.T) {
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f := func(s string) {
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t.Helper()
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tlp := &insertutils.TestLogMessageProcessor{}
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n, err := parseJSONRequest([]byte(s), tlp)
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if err == nil {
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t.Fatalf("expecting non-nil error")
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}
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if n != 0 {
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t.Fatalf("unexpected number of parsed lines: %d; want 0", n)
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}
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}
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f(``)
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// Invalid json
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f(`{}`)
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f(`[]`)
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f(`"foo"`)
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f(`123`)
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// invalid type for `streams` item
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f(`{"streams":123}`)
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// Missing `values` item
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f(`{"streams":[{}]}`)
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// Invalid type for `values` item
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f(`{"streams":[{"values":"foobar"}]}`)
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// Invalid type for `stream` item
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f(`{"streams":[{"stream":[],"values":[]}]}`)
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// Invalid type for `values` individual item
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f(`{"streams":[{"values":[123]}]}`)
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// Invalid length of `values` individual item
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f(`{"streams":[{"values":[[]]}]}`)
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f(`{"streams":[{"values":[["123"]]}]}`)
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f(`{"streams":[{"values":[["123","456","789","8123"]]}]}`)
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// Invalid type for timestamp inside `values` individual item
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f(`{"streams":[{"values":[[123,"456"]}]}`)
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// Invalid type for log message
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f(`{"streams":[{"values":[["123",1234]]}]}`)
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// invalid structured metadata type
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f(`{"streams":[{"values":[["1577836800000000001", "foo bar", ["metadata_1", "md_value"]]]}]}`)
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// structured metadata with unexpected value type
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f(`{"streams":[{"values":[["1577836800000000001", "foo bar", {"metadata_1": 1}]] }]}`)
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}
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func TestParseJSONRequest_Success(t *testing.T) {
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f := func(s string, timestampsExpected []int64, resultExpected string) {
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t.Helper()
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tlp := &insertutils.TestLogMessageProcessor{}
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n, err := parseJSONRequest([]byte(s), tlp)
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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if err := tlp.Verify(n, timestampsExpected, resultExpected); err != nil {
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t.Fatal(err)
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}
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}
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// Empty streams
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f(`{"streams":[]}`, nil, ``)
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f(`{"streams":[{"values":[]}]}`, nil, ``)
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f(`{"streams":[{"stream":{},"values":[]}]}`, nil, ``)
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f(`{"streams":[{"stream":{"foo":"bar"},"values":[]}]}`, nil, ``)
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// Empty stream labels
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f(`{"streams":[{"values":[["1577836800000000001", "foo bar"]]}]}`, []int64{1577836800000000001}, `{"_msg":"foo bar"}`)
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f(`{"streams":[{"stream":{},"values":[["1577836800000000001", "foo bar"]]}]}`, []int64{1577836800000000001}, `{"_msg":"foo bar"}`)
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// Non-empty stream labels
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f(`{"streams":[{"stream":{
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"label1": "value1",
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"label2": "value2"
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},"values":[
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["1577836800000000001", "foo bar"],
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["1477836900005000002", "abc"],
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["147.78369e9", "foobar"]
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]}]}`, []int64{1577836800000000001, 1477836900005000002, 147783690000}, `{"label1":"value1","label2":"value2","_msg":"foo bar"}
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{"label1":"value1","label2":"value2","_msg":"abc"}
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{"label1":"value1","label2":"value2","_msg":"foobar"}`)
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// Multiple streams
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f(`{
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"streams": [
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{
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"stream": {
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"foo": "bar",
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"a": "b"
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},
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"values": [
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["1577836800000000001", "foo bar"],
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["1577836900005000002", "abc"]
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]
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},
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{
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"stream": {
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"x": "y"
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},
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"values": [
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["1877836900005000002", "yx"]
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]
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}
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]
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}`, []int64{1577836800000000001, 1577836900005000002, 1877836900005000002}, `{"foo":"bar","a":"b","_msg":"foo bar"}
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{"foo":"bar","a":"b","_msg":"abc"}
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{"x":"y","_msg":"yx"}`)
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// values with metadata
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f(`{"streams":[{"values":[["1577836800000000001", "foo bar", {"metadata_1": "md_value"}]]}]}`, []int64{1577836800000000001}, `{"_msg":"foo bar","metadata_1":"md_value"}`)
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f(`{"streams":[{"values":[["1577836800000000001", "foo bar", {}]]}]}`, []int64{1577836800000000001}, `{"_msg":"foo bar"}`)
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}
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