open-consul/agent/consul/usagemetrics/usagemetrics_oss_test.go

192 lines
6.0 KiB
Go

// +build !consulent
package usagemetrics
import (
"testing"
"time"
"github.com/armon/go-metrics"
"github.com/stretchr/testify/require"
"github.com/hashicorp/consul/agent/consul/state"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/sdk/testutil"
"github.com/hashicorp/serf/serf"
)
func newStateStore() (*state.Store, error) {
return state.NewStateStore(nil), nil
}
func TestUsageReporter_emitServiceUsage_OSS(t *testing.T) {
type testCase struct {
modfiyStateStore func(t *testing.T, s *state.Store)
getMembersFunc getMembersFunc
expectedGauges map[string]metrics.GaugeValue
}
cases := map[string]testCase{
"empty-state": {
expectedGauges: map[string]metrics.GaugeValue{
"consul.usage.test.consul.state.nodes;datacenter=dc1": {
Name: "consul.usage.test.consul.state.nodes",
Value: 0,
Labels: []metrics.Label{{Name: "datacenter", Value: "dc1"}},
},
"consul.usage.test.consul.state.services;datacenter=dc1": {
Name: "consul.usage.test.consul.state.services",
Value: 0,
Labels: []metrics.Label{
{Name: "datacenter", Value: "dc1"},
},
},
"consul.usage.test.consul.state.service_instances;datacenter=dc1": {
Name: "consul.usage.test.consul.state.service_instances",
Value: 0,
Labels: []metrics.Label{
{Name: "datacenter", Value: "dc1"},
},
},
"consul.usage.test.consul.members.clients;datacenter=dc1": {
Name: "consul.usage.test.consul.members.clients",
Value: 0,
Labels: []metrics.Label{
{Name: "datacenter", Value: "dc1"},
},
},
"consul.usage.test.consul.members.servers;datacenter=dc1": {
Name: "consul.usage.test.consul.members.servers",
Value: 0,
Labels: []metrics.Label{
{Name: "datacenter", Value: "dc1"},
},
},
},
getMembersFunc: func() []serf.Member { return []serf.Member{} },
},
"nodes-and-services": {
modfiyStateStore: func(t *testing.T, s *state.Store) {
require.Nil(t, s.EnsureNode(1, &structs.Node{Node: "foo", Address: "127.0.0.1"}))
require.Nil(t, s.EnsureNode(2, &structs.Node{Node: "bar", Address: "127.0.0.2"}))
require.Nil(t, s.EnsureNode(3, &structs.Node{Node: "baz", Address: "127.0.0.2"}))
require.Nil(t, s.EnsureNode(4, &structs.Node{Node: "qux", Address: "127.0.0.3"}))
// Typical services and some consul services spread across two nodes
require.Nil(t, s.EnsureService(5, "foo", &structs.NodeService{ID: "db", Service: "db", Tags: nil, Address: "", Port: 5000}))
require.Nil(t, s.EnsureService(6, "bar", &structs.NodeService{ID: "api", Service: "api", Tags: nil, Address: "", Port: 5000}))
require.Nil(t, s.EnsureService(7, "foo", &structs.NodeService{ID: "consul", Service: "consul", Tags: nil}))
require.Nil(t, s.EnsureService(8, "bar", &structs.NodeService{ID: "consul", Service: "consul", Tags: nil}))
},
getMembersFunc: func() []serf.Member {
return []serf.Member{
{
Name: "foo",
Tags: map[string]string{"role": "consul"},
Status: serf.StatusAlive,
},
{
Name: "bar",
Tags: map[string]string{"role": "consul"},
Status: serf.StatusAlive,
},
{
Name: "baz",
Tags: map[string]string{"role": "node", "segment": "a"},
Status: serf.StatusAlive,
},
{
Name: "qux",
Tags: map[string]string{"role": "node", "segment": "b"},
Status: serf.StatusAlive,
},
}
},
expectedGauges: map[string]metrics.GaugeValue{
"consul.usage.test.consul.state.nodes;datacenter=dc1": {
Name: "consul.usage.test.consul.state.nodes",
Value: 4,
Labels: []metrics.Label{{Name: "datacenter", Value: "dc1"}},
},
"consul.usage.test.consul.state.services;datacenter=dc1": {
Name: "consul.usage.test.consul.state.services",
Value: 3,
Labels: []metrics.Label{
{Name: "datacenter", Value: "dc1"},
},
},
"consul.usage.test.consul.state.service_instances;datacenter=dc1": {
Name: "consul.usage.test.consul.state.service_instances",
Value: 4,
Labels: []metrics.Label{
{Name: "datacenter", Value: "dc1"},
},
},
"consul.usage.test.consul.members.clients;datacenter=dc1": {
Name: "consul.usage.test.consul.members.clients",
Value: 2,
Labels: []metrics.Label{
{Name: "datacenter", Value: "dc1"},
},
},
"consul.usage.test.consul.members.servers;datacenter=dc1": {
Name: "consul.usage.test.consul.members.servers",
Value: 2,
Labels: []metrics.Label{
{Name: "datacenter", Value: "dc1"},
},
},
"consul.usage.test.consul.members.clients;segment=a;datacenter=dc1": {
Name: "consul.usage.test.consul.members.clients",
Value: 1,
Labels: []metrics.Label{
{Name: "segment", Value: "a"},
{Name: "datacenter", Value: "dc1"},
},
},
"consul.usage.test.consul.members.clients;segment=b;datacenter=dc1": {
Name: "consul.usage.test.consul.members.clients",
Value: 1,
Labels: []metrics.Label{
{Name: "segment", Value: "b"},
{Name: "datacenter", Value: "dc1"},
},
},
},
},
}
for name, tcase := range cases {
t.Run(name, func(t *testing.T) {
// Only have a single interval for the test
sink := metrics.NewInmemSink(1*time.Minute, 1*time.Minute)
cfg := metrics.DefaultConfig("consul.usage.test")
cfg.EnableHostname = false
metrics.NewGlobal(cfg, sink)
mockStateProvider := &mockStateProvider{}
s := state.NewStateStore(nil)
if tcase.modfiyStateStore != nil {
tcase.modfiyStateStore(t, s)
}
mockStateProvider.On("State").Return(s)
reporter, err := NewUsageMetricsReporter(
new(Config).
WithStateProvider(mockStateProvider).
WithLogger(testutil.Logger(t)).
WithDatacenter("dc1").
WithGetMembersFunc(tcase.getMembersFunc),
)
require.NoError(t, err)
reporter.runOnce()
intervals := sink.Data()
require.Len(t, intervals, 1)
intv := intervals[0]
require.Equal(t, tcase.expectedGauges, intv.Gauges)
})
}
}