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Addressing some minor tech debt on otlp-metrics #1094
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84 changes: 84 additions & 0 deletions
84
pkg/pipeline/encode/opentelemetry/encode_otlpmetrics_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package opentelemetry | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
|
|
||
| "github.com/netobserv/flowlogs-pipeline/pkg/api" | ||
| "github.com/netobserv/flowlogs-pipeline/pkg/config" | ||
| "github.com/netobserv/flowlogs-pipeline/pkg/operational" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| "go.opentelemetry.io/otel/metric" | ||
| ) | ||
|
|
||
| type wrappedMeter struct { | ||
| metric.Meter | ||
| back metric.Meter | ||
| counters map[string]*wrappedCounter | ||
| } | ||
|
|
||
| func newWrappedMeter(ctx context.Context, cfg *api.EncodeOtlpMetrics) (*wrappedMeter, error) { | ||
| res := newResource() | ||
| mp, err := NewOtlpMetricsProvider(ctx, cfg, res) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &wrappedMeter{back: mp.Meter("test"), counters: make(map[string]*wrappedCounter)}, nil | ||
| } | ||
|
|
||
| func (wm *wrappedMeter) Float64Counter(name string, options ...metric.Float64CounterOption) (metric.Float64Counter, error) { | ||
| c, err := wm.back.Float64Counter(name, options...) | ||
| wc := &wrappedCounter{back: c} | ||
| wm.counters[name] = wc | ||
| return wc, err | ||
| } | ||
|
|
||
| type wrappedCounter struct { | ||
| metric.Float64Counter | ||
| back metric.Float64Counter | ||
| sum float64 | ||
| } | ||
|
|
||
| func (wc *wrappedCounter) Add(ctx context.Context, incr float64, options ...metric.AddOption) { | ||
| wc.sum += incr | ||
| wc.back.Add(ctx, incr, options...) | ||
| } | ||
|
|
||
| func Test_EncodeOtlpMetrics(t *testing.T) { | ||
| cfg := &api.EncodeOtlpMetrics{ | ||
| OtlpConnectionInfo: &api.OtlpConnectionInfo{ | ||
| Address: "1.2.3.4", | ||
| Port: 999, | ||
| ConnectionType: "grpc", | ||
| Headers: nil, | ||
| }, | ||
| Prefix: "flp_test", | ||
| Metrics: []api.MetricsItem{ | ||
| {Name: "metric1", Type: "counter", ValueKey: "value", Labels: []string{"destination.k8s.kind", "DstSubnetLabel"}}, | ||
| {Name: "metric2", Type: "gauge", Labels: []string{"DstSubnetLabel"}}, | ||
| {Name: "metric3", Type: "counter", Labels: []string{"destination.k8s.kind", "source.k8s.kind"}}, | ||
| }, | ||
| } | ||
| ctx := context.Background() | ||
| wm, err := newWrappedMeter(ctx, cfg) | ||
| require.NoError(t, err) | ||
| encoder, err := newEncodeOtlpMetricsWithMeter(ctx, "otlp-encode", operational.NewMetrics(&config.MetricsSettings{}), cfg, wm) | ||
| require.NoError(t, err) | ||
| require.NotNil(t, encoder) | ||
|
|
||
| assert.Len(t, wm.counters, 2) | ||
| assert.Equal(t, float64(0), wm.counters["flp_testmetric1"].sum) | ||
| assert.Equal(t, float64(0), wm.counters["flp_testmetric3"].sum) | ||
|
|
||
| // Test empty | ||
| encoder.Encode(config.GenericMap{}) | ||
| assert.Len(t, wm.counters, 2) | ||
| assert.Equal(t, float64(0), wm.counters["flp_testmetric1"].sum) | ||
| assert.Equal(t, float64(1), wm.counters["flp_testmetric3"].sum) | ||
|
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| encoder.Encode(config.GenericMap{"destination.k8s.kind": "foo", "DstSubnetLabel": "bar", "value": 5}) | ||
| assert.Len(t, wm.counters, 2) | ||
| assert.Equal(t, float64(5), wm.counters["flp_testmetric1"].sum) | ||
| assert.Equal(t, float64(2), wm.counters["flp_testmetric3"].sum) | ||
| } |
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(minor) Change the message so it's not exactly the same as line 95, such as:
return fmt.Errorf("wrong Otlp Aggregated Histogram type for %s: %T; expecting Float64Histogram", name, m)