119 lines
3.7 KiB
Go
119 lines
3.7 KiB
Go
// +build !consulent
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package usagemetrics
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import (
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"testing"
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"time"
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"github.com/armon/go-metrics"
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"github.com/stretchr/testify/require"
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"github.com/hashicorp/consul/agent/consul/state"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/sdk/testutil"
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)
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func newStateStore() (*state.Store, error) {
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return state.NewStateStore(nil), nil
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}
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func TestUsageReporter_emitServiceUsage_OSS(t *testing.T) {
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type testCase struct {
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modfiyStateStore func(t *testing.T, s *state.Store)
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expectedGauges map[string]metrics.GaugeValue
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}
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cases := map[string]testCase{
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"empty-state": {
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expectedGauges: map[string]metrics.GaugeValue{
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"consul.usage.test.consul.state.nodes;datacenter=dc1": {
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Name: "consul.usage.test.consul.state.nodes",
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Value: 0,
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Labels: []metrics.Label{{Name: "datacenter", Value: "dc1"}},
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},
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"consul.usage.test.consul.state.services;datacenter=dc1": {
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Name: "consul.usage.test.consul.state.services",
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Value: 0,
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Labels: []metrics.Label{
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{Name: "datacenter", Value: "dc1"},
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},
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},
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"consul.usage.test.consul.state.service_instances;datacenter=dc1": {
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Name: "consul.usage.test.consul.state.service_instances",
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Value: 0,
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Labels: []metrics.Label{
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{Name: "datacenter", Value: "dc1"},
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},
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},
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},
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},
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"nodes-and-services": {
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modfiyStateStore: func(t *testing.T, s *state.Store) {
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require.Nil(t, s.EnsureNode(1, &structs.Node{Node: "foo", Address: "127.0.0.1"}))
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require.Nil(t, s.EnsureNode(2, &structs.Node{Node: "bar", Address: "127.0.0.2"}))
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require.Nil(t, s.EnsureNode(3, &structs.Node{Node: "baz", Address: "127.0.0.2"}))
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// Typical services and some consul services spread across two nodes
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require.Nil(t, s.EnsureService(4, "foo", &structs.NodeService{ID: "db", Service: "db", Tags: nil, Address: "", Port: 5000}))
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require.Nil(t, s.EnsureService(5, "bar", &structs.NodeService{ID: "api", Service: "api", Tags: nil, Address: "", Port: 5000}))
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require.Nil(t, s.EnsureService(6, "foo", &structs.NodeService{ID: "consul", Service: "consul", Tags: nil}))
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require.Nil(t, s.EnsureService(7, "bar", &structs.NodeService{ID: "consul", Service: "consul", Tags: nil}))
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},
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expectedGauges: map[string]metrics.GaugeValue{
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"consul.usage.test.consul.state.nodes;datacenter=dc1": {
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Name: "consul.usage.test.consul.state.nodes",
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Value: 3,
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Labels: []metrics.Label{{Name: "datacenter", Value: "dc1"}},
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},
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"consul.usage.test.consul.state.services;datacenter=dc1": {
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Name: "consul.usage.test.consul.state.services",
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Value: 3,
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Labels: []metrics.Label{
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{Name: "datacenter", Value: "dc1"},
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},
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},
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"consul.usage.test.consul.state.service_instances;datacenter=dc1": {
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Name: "consul.usage.test.consul.state.service_instances",
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Value: 4,
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Labels: []metrics.Label{
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{Name: "datacenter", Value: "dc1"},
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},
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},
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},
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},
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}
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for name, tcase := range cases {
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t.Run(name, func(t *testing.T) {
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// Only have a single interval for the test
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sink := metrics.NewInmemSink(1*time.Minute, 1*time.Minute)
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cfg := metrics.DefaultConfig("consul.usage.test")
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cfg.EnableHostname = false
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metrics.NewGlobal(cfg, sink)
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mockStateProvider := &mockStateProvider{}
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s := state.NewStateStore(nil)
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if tcase.modfiyStateStore != nil {
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tcase.modfiyStateStore(t, s)
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}
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mockStateProvider.On("State").Return(s)
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reporter, err := NewUsageMetricsReporter(
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new(Config).
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WithStateProvider(mockStateProvider).
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WithLogger(testutil.Logger(t)).
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WithDatacenter("dc1"),
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)
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require.NoError(t, err)
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reporter.runOnce()
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intervals := sink.Data()
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require.Len(t, intervals, 1)
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intv := intervals[0]
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require.Equal(t, tcase.expectedGauges, intv.Gauges)
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})
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}
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}
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