mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-23 20:37:12 +01:00
e3adcbec6e
* lib/promscrape: support prometheus-like duration in scrape configs The change allows to specify duration values like `1d`, `1w` for fields `scrape_interval`, `scrape_timeout`, etc. https://github.com/VictoriaMetrics/VictoriaMetrics/issues/817#issuecomment-1033384766 Signed-off-by: hagen1778 <roman@victoriametrics.com> * lib/blockcache: make linter happy Signed-off-by: hagen1778 <roman@victoriametrics.com> * lib/promscrape: support prometheus-like duration in scrape configs * add support for extra fields `scrape_align_interval` and `scrape_offset`; * support Prometheus duration parsing for `__scrape_interval__` and `__scrape_duration__` labels; Signed-off-by: hagen1778 <roman@victoriametrics.com> * wip * wip * docs/CHANGELOG.md: document the feature Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
251 lines
6.8 KiB
Go
251 lines
6.8 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/config"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/datasource"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
|
|
)
|
|
|
|
type fakeReplayQuerier struct {
|
|
fakeQuerier
|
|
registry map[string]map[string]struct{}
|
|
}
|
|
|
|
func (fr *fakeReplayQuerier) BuildWithParams(_ datasource.QuerierParams) datasource.Querier {
|
|
return fr
|
|
}
|
|
|
|
func (fr *fakeReplayQuerier) QueryRange(_ context.Context, q string, from, to time.Time) ([]datasource.Metric, error) {
|
|
key := fmt.Sprintf("%s+%s", from.Format("15:04:05"), to.Format("15:04:05"))
|
|
dps, ok := fr.registry[q]
|
|
if !ok {
|
|
return nil, fmt.Errorf("unexpected query received: %q", q)
|
|
}
|
|
_, ok = dps[key]
|
|
if !ok {
|
|
return nil, fmt.Errorf("unexpected time range received: %q", key)
|
|
}
|
|
delete(dps, key)
|
|
if len(fr.registry[q]) < 1 {
|
|
delete(fr.registry, q)
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
func TestReplay(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
from, to string
|
|
maxDP int
|
|
cfg []config.Group
|
|
qb *fakeReplayQuerier
|
|
}{
|
|
{
|
|
name: "one rule + one response",
|
|
from: "2021-01-01T12:00:00.000Z",
|
|
to: "2021-01-01T12:02:00.000Z",
|
|
maxDP: 10,
|
|
cfg: []config.Group{
|
|
{Rules: []config.Rule{{Record: "foo", Expr: "sum(up)"}}},
|
|
},
|
|
qb: &fakeReplayQuerier{
|
|
registry: map[string]map[string]struct{}{
|
|
"sum(up)": {"12:00:00+12:02:00": {}},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "one rule + multiple responses",
|
|
from: "2021-01-01T12:00:00.000Z",
|
|
to: "2021-01-01T12:02:30.000Z",
|
|
maxDP: 1,
|
|
cfg: []config.Group{
|
|
{Rules: []config.Rule{{Record: "foo", Expr: "sum(up)"}}},
|
|
},
|
|
qb: &fakeReplayQuerier{
|
|
registry: map[string]map[string]struct{}{
|
|
"sum(up)": {
|
|
"12:00:00+12:01:00": {},
|
|
"12:01:00+12:02:00": {},
|
|
"12:02:00+12:02:30": {},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "datapoints per step",
|
|
from: "2021-01-01T12:00:00.000Z",
|
|
to: "2021-01-01T15:02:30.000Z",
|
|
maxDP: 60,
|
|
cfg: []config.Group{
|
|
{Interval: promutils.NewDuration(time.Minute), Rules: []config.Rule{{Record: "foo", Expr: "sum(up)"}}},
|
|
},
|
|
qb: &fakeReplayQuerier{
|
|
registry: map[string]map[string]struct{}{
|
|
"sum(up)": {
|
|
"12:00:00+13:00:00": {},
|
|
"13:00:00+14:00:00": {},
|
|
"14:00:00+15:00:00": {},
|
|
"15:00:00+15:02:30": {},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "multiple recording rules + multiple responses",
|
|
from: "2021-01-01T12:00:00.000Z",
|
|
to: "2021-01-01T12:02:30.000Z",
|
|
maxDP: 1,
|
|
cfg: []config.Group{
|
|
{Rules: []config.Rule{{Record: "foo", Expr: "sum(up)"}}},
|
|
{Rules: []config.Rule{{Record: "bar", Expr: "max(up)"}}},
|
|
},
|
|
qb: &fakeReplayQuerier{
|
|
registry: map[string]map[string]struct{}{
|
|
"sum(up)": {
|
|
"12:00:00+12:01:00": {},
|
|
"12:01:00+12:02:00": {},
|
|
"12:02:00+12:02:30": {},
|
|
},
|
|
"max(up)": {
|
|
"12:00:00+12:01:00": {},
|
|
"12:01:00+12:02:00": {},
|
|
"12:02:00+12:02:30": {},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "multiple alerting rules + multiple responses",
|
|
from: "2021-01-01T12:00:00.000Z",
|
|
to: "2021-01-01T12:02:30.000Z",
|
|
maxDP: 1,
|
|
cfg: []config.Group{
|
|
{Rules: []config.Rule{{Alert: "foo", Expr: "sum(up) > 1"}}},
|
|
{Rules: []config.Rule{{Alert: "bar", Expr: "max(up) < 1"}}},
|
|
},
|
|
qb: &fakeReplayQuerier{
|
|
registry: map[string]map[string]struct{}{
|
|
"sum(up) > 1": {
|
|
"12:00:00+12:01:00": {},
|
|
"12:01:00+12:02:00": {},
|
|
"12:02:00+12:02:30": {},
|
|
},
|
|
"max(up) < 1": {
|
|
"12:00:00+12:01:00": {},
|
|
"12:01:00+12:02:00": {},
|
|
"12:02:00+12:02:30": {},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
from, to, maxDP := *replayFrom, *replayTo, *replayMaxDatapoints
|
|
retries, delay := *replayRuleRetryAttempts, *replayRulesDelay
|
|
defer func() {
|
|
*replayFrom, *replayTo = from, to
|
|
*replayMaxDatapoints, *replayRuleRetryAttempts = maxDP, retries
|
|
*replayRulesDelay = delay
|
|
}()
|
|
|
|
*replayRuleRetryAttempts = 1
|
|
*replayRulesDelay = time.Millisecond
|
|
for _, tc := range testCases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
*replayFrom = tc.from
|
|
*replayTo = tc.to
|
|
*replayMaxDatapoints = tc.maxDP
|
|
if err := replay(tc.cfg, tc.qb, nil); err != nil {
|
|
t.Fatalf("replay failed: %s", err)
|
|
}
|
|
if len(tc.qb.registry) > 0 {
|
|
t.Fatalf("not all requests were sent: %#v", tc.qb.registry)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestRangeIterator(t *testing.T) {
|
|
testCases := []struct {
|
|
ri rangeIterator
|
|
result [][2]time.Time
|
|
}{
|
|
{
|
|
ri: rangeIterator{
|
|
start: parseTime(t, "2021-01-01T12:00:00.000Z"),
|
|
end: parseTime(t, "2021-01-01T12:30:00.000Z"),
|
|
step: 5 * time.Minute,
|
|
},
|
|
result: [][2]time.Time{
|
|
{parseTime(t, "2021-01-01T12:00:00.000Z"), parseTime(t, "2021-01-01T12:05:00.000Z")},
|
|
{parseTime(t, "2021-01-01T12:05:00.000Z"), parseTime(t, "2021-01-01T12:10:00.000Z")},
|
|
{parseTime(t, "2021-01-01T12:10:00.000Z"), parseTime(t, "2021-01-01T12:15:00.000Z")},
|
|
{parseTime(t, "2021-01-01T12:15:00.000Z"), parseTime(t, "2021-01-01T12:20:00.000Z")},
|
|
{parseTime(t, "2021-01-01T12:20:00.000Z"), parseTime(t, "2021-01-01T12:25:00.000Z")},
|
|
{parseTime(t, "2021-01-01T12:25:00.000Z"), parseTime(t, "2021-01-01T12:30:00.000Z")},
|
|
},
|
|
},
|
|
{
|
|
ri: rangeIterator{
|
|
start: parseTime(t, "2021-01-01T12:00:00.000Z"),
|
|
end: parseTime(t, "2021-01-01T12:30:00.000Z"),
|
|
step: 45 * time.Minute,
|
|
},
|
|
result: [][2]time.Time{
|
|
{parseTime(t, "2021-01-01T12:00:00.000Z"), parseTime(t, "2021-01-01T12:30:00.000Z")},
|
|
{parseTime(t, "2021-01-01T12:30:00.000Z"), parseTime(t, "2021-01-01T12:30:00.000Z")},
|
|
},
|
|
},
|
|
{
|
|
ri: rangeIterator{
|
|
start: parseTime(t, "2021-01-01T12:00:12.000Z"),
|
|
end: parseTime(t, "2021-01-01T12:00:17.000Z"),
|
|
step: time.Second,
|
|
},
|
|
result: [][2]time.Time{
|
|
{parseTime(t, "2021-01-01T12:00:12.000Z"), parseTime(t, "2021-01-01T12:00:13.000Z")},
|
|
{parseTime(t, "2021-01-01T12:00:13.000Z"), parseTime(t, "2021-01-01T12:00:14.000Z")},
|
|
{parseTime(t, "2021-01-01T12:00:14.000Z"), parseTime(t, "2021-01-01T12:00:15.000Z")},
|
|
{parseTime(t, "2021-01-01T12:00:15.000Z"), parseTime(t, "2021-01-01T12:00:16.000Z")},
|
|
{parseTime(t, "2021-01-01T12:00:16.000Z"), parseTime(t, "2021-01-01T12:00:17.000Z")},
|
|
},
|
|
},
|
|
}
|
|
|
|
for i, tc := range testCases {
|
|
t.Run(fmt.Sprintf("case %d", i), func(t *testing.T) {
|
|
var j int
|
|
for tc.ri.next() {
|
|
if len(tc.result) < j+1 {
|
|
t.Fatalf("unexpected result for iterator on step %d: %v - %v",
|
|
j, tc.ri.s, tc.ri.e)
|
|
}
|
|
s, e := tc.ri.s, tc.ri.e
|
|
expS, expE := tc.result[j][0], tc.result[j][1]
|
|
if s != expS {
|
|
t.Fatalf("expected to get start=%v; got %v", expS, s)
|
|
}
|
|
if e != expE {
|
|
t.Fatalf("expected to get end=%v; got %v", expE, e)
|
|
}
|
|
j++
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func parseTime(t *testing.T, s string) time.Time {
|
|
t.Helper()
|
|
tt, err := time.Parse("2006-01-02T15:04:05.000Z", s)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
return tt
|
|
}
|