-
Notifications
You must be signed in to change notification settings - Fork 817
/
Copy pathmetrics_test.go
103 lines (92 loc) · 6.19 KB
/
metrics_test.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
package distributor
import (
"strings"
"testing"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/testutil"
"github.com/prometheus/prometheus/model/labels"
"github.com/stretchr/testify/require"
)
func TestLabelSetCounter(t *testing.T) {
metricName := "cortex_distributor_received_samples_per_labelset_total"
reg := prometheus.NewPedanticRegistry()
dummyCounter := prometheus.NewCounterVec(prometheus.CounterOpts{
Name: metricName,
Help: "",
}, []string{"user", "type", "labelset"})
counter := newLabelSetTracker(dummyCounter)
reg.MustRegister(dummyCounter)
userID := "1"
userID2 := "2"
userID3 := "3"
counter.increaseSamplesLabelSet(userID, 0, labels.FromStrings("foo", "bar"), 10, 0)
counter.increaseSamplesLabelSet(userID, 1, labels.FromStrings("foo", "baz"), 0, 5)
counter.increaseSamplesLabelSet(userID, 3, labels.EmptyLabels(), 20, 20)
counter.increaseSamplesLabelSet(userID2, 0, labels.FromStrings("foo", "bar"), 100, 5)
counter.increaseSamplesLabelSet(userID2, 2, labels.FromStrings("cluster", "us-west-2"), 0, 100)
require.NoError(t, testutil.GatherAndCompare(reg, strings.NewReader(`
# TYPE cortex_distributor_received_samples_per_labelset_total counter
cortex_distributor_received_samples_per_labelset_total{labelset="{cluster=\"us-west-2\"}",type="histogram",user="2"} 100
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="float",user="1"} 10
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="float",user="2"} 100
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="histogram",user="2"} 5
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"baz\"}",type="histogram",user="1"} 5
cortex_distributor_received_samples_per_labelset_total{labelset="{}",type="float",user="1"} 20
cortex_distributor_received_samples_per_labelset_total{labelset="{}",type="histogram",user="1"} 20
`), metricName))
// Increment metrics and add a new user.
counter.increaseSamplesLabelSet(userID, 3, labels.EmptyLabels(), 20, 20)
counter.increaseSamplesLabelSet(userID2, 2, labels.FromStrings("cluster", "us-west-2"), 0, 100)
counter.increaseSamplesLabelSet(userID2, 4, labels.FromStrings("cluster", "us-west-2"), 10, 10)
counter.increaseSamplesLabelSet(userID3, 4, labels.FromStrings("cluster", "us-east-1"), 30, 30)
require.NoError(t, testutil.GatherAndCompare(reg, strings.NewReader(`
# TYPE cortex_distributor_received_samples_per_labelset_total counter
cortex_distributor_received_samples_per_labelset_total{labelset="{cluster=\"us-east-1\"}",type="float",user="3"} 30
cortex_distributor_received_samples_per_labelset_total{labelset="{cluster=\"us-east-1\"}",type="histogram",user="3"} 30
cortex_distributor_received_samples_per_labelset_total{labelset="{cluster=\"us-west-2\"}",type="float",user="2"} 10
cortex_distributor_received_samples_per_labelset_total{labelset="{cluster=\"us-west-2\"}",type="histogram",user="2"} 210
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="float",user="1"} 10
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="float",user="2"} 100
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="histogram",user="2"} 5
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"baz\"}",type="histogram",user="1"} 5
cortex_distributor_received_samples_per_labelset_total{labelset="{}",type="float",user="1"} 40
cortex_distributor_received_samples_per_labelset_total{labelset="{}",type="histogram",user="1"} 40
`), metricName))
// Remove user 2. But metrics for user 2 not cleaned up as it is expected to be cleaned up
// in cleanupInactiveUser loop. It is expected to have 3 minutes delay in this case.
userSet := map[string]map[uint64]struct {
}{
userID: {0: struct{}{}, 1: struct{}{}, 2: struct{}{}, 3: struct{}{}},
userID3: {0: struct{}{}, 1: struct{}{}, 2: struct{}{}, 3: struct{}{}, 4: struct{}{}},
}
counter.updateMetrics(userSet)
require.NoError(t, testutil.GatherAndCompare(reg, strings.NewReader(`
# TYPE cortex_distributor_received_samples_per_labelset_total counter
cortex_distributor_received_samples_per_labelset_total{labelset="{cluster=\"us-east-1\"}",type="float",user="3"} 30
cortex_distributor_received_samples_per_labelset_total{labelset="{cluster=\"us-east-1\"}",type="histogram",user="3"} 30
cortex_distributor_received_samples_per_labelset_total{labelset="{cluster=\"us-west-2\"}",type="float",user="2"} 10
cortex_distributor_received_samples_per_labelset_total{labelset="{cluster=\"us-west-2\"}",type="histogram",user="2"} 210
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="float",user="1"} 10
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="float",user="2"} 100
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="histogram",user="2"} 5
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"baz\"}",type="histogram",user="1"} 5
cortex_distributor_received_samples_per_labelset_total{labelset="{}",type="float",user="1"} 40
cortex_distributor_received_samples_per_labelset_total{labelset="{}",type="histogram",user="1"} 40
`), metricName))
// Simulate existing limits removed for each user.
userSet = map[string]map[uint64]struct {
}{
userID: {0: struct{}{}},
userID2: {},
userID3: {},
}
counter.updateMetrics(userSet)
require.NoError(t, testutil.GatherAndCompare(reg, strings.NewReader(`
# TYPE cortex_distributor_received_samples_per_labelset_total counter
cortex_distributor_received_samples_per_labelset_total{labelset="{cluster=\"us-west-2\"}",type="float",user="2"} 10
cortex_distributor_received_samples_per_labelset_total{labelset="{cluster=\"us-west-2\"}",type="histogram",user="2"} 210
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="float",user="1"} 10
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="float",user="2"} 100
cortex_distributor_received_samples_per_labelset_total{labelset="{foo=\"bar\"}",type="histogram",user="2"} 5
`), metricName))
}