mirror of https://github.com/hashicorp/consul
356 lines
10 KiB
Go
356 lines
10 KiB
Go
package xds
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import (
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"log"
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"os"
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"path"
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"sort"
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"testing"
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"github.com/mitchellh/copystructure"
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"github.com/stretchr/testify/require"
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envoy "github.com/envoyproxy/go-control-plane/envoy/api/v2"
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"github.com/envoyproxy/go-control-plane/envoy/api/v2/core"
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envoyendpoint "github.com/envoyproxy/go-control-plane/envoy/api/v2/endpoint"
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"github.com/hashicorp/consul/agent/proxycfg"
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"github.com/hashicorp/consul/agent/structs"
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testinf "github.com/mitchellh/go-testing-interface"
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)
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func Test_makeLoadAssignment(t *testing.T) {
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testCheckServiceNodes := structs.CheckServiceNodes{
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structs.CheckServiceNode{
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Node: &structs.Node{
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ID: "node1-id",
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Node: "node1",
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Address: "10.10.10.10",
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Datacenter: "dc1",
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},
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Service: &structs.NodeService{
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Service: "web",
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Port: 1234,
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},
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Checks: structs.HealthChecks{
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&structs.HealthCheck{
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Node: "node1",
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CheckID: "serfHealth",
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Status: "passing",
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},
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&structs.HealthCheck{
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Node: "node1",
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ServiceID: "web",
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CheckID: "web:check",
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Status: "passing",
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},
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},
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},
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structs.CheckServiceNode{
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Node: &structs.Node{
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ID: "node2-id",
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Node: "node2",
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Address: "10.10.10.20",
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Datacenter: "dc1",
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},
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Service: &structs.NodeService{
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Service: "web",
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Port: 1234,
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},
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Checks: structs.HealthChecks{
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&structs.HealthCheck{
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Node: "node2",
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CheckID: "serfHealth",
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Status: "passing",
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},
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&structs.HealthCheck{
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Node: "node2",
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ServiceID: "web",
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CheckID: "web:check",
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Status: "passing",
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},
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},
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},
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}
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testWeightedCheckServiceNodesRaw, err := copystructure.Copy(testCheckServiceNodes)
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require.NoError(t, err)
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testWeightedCheckServiceNodes := testWeightedCheckServiceNodesRaw.(structs.CheckServiceNodes)
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testWeightedCheckServiceNodes[0].Service.Weights = &structs.Weights{
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Passing: 10,
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Warning: 1,
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}
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testWeightedCheckServiceNodes[1].Service.Weights = &structs.Weights{
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Passing: 5,
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Warning: 0,
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}
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testWarningCheckServiceNodesRaw, err := copystructure.Copy(testWeightedCheckServiceNodes)
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require.NoError(t, err)
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testWarningCheckServiceNodes := testWarningCheckServiceNodesRaw.(structs.CheckServiceNodes)
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testWarningCheckServiceNodes[0].Checks[0].Status = "warning"
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testWarningCheckServiceNodes[1].Checks[0].Status = "warning"
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// TODO(rb): test onlypassing
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tests := []struct {
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name string
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clusterName string
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overprovisioningFactor int
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endpoints []loadAssignmentEndpointGroup
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want *envoy.ClusterLoadAssignment
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}{
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{
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name: "no instances",
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clusterName: "service:test",
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endpoints: []loadAssignmentEndpointGroup{
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{Endpoints: nil},
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},
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want: &envoy.ClusterLoadAssignment{
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ClusterName: "service:test",
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Endpoints: []envoyendpoint.LocalityLbEndpoints{{
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LbEndpoints: []envoyendpoint.LbEndpoint{},
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}},
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},
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},
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{
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name: "instances, no weights",
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clusterName: "service:test",
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endpoints: []loadAssignmentEndpointGroup{
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{Endpoints: testCheckServiceNodes},
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},
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want: &envoy.ClusterLoadAssignment{
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ClusterName: "service:test",
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Endpoints: []envoyendpoint.LocalityLbEndpoints{{
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LbEndpoints: []envoyendpoint.LbEndpoint{
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envoyendpoint.LbEndpoint{
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HostIdentifier: &envoyendpoint.LbEndpoint_Endpoint{
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Endpoint: &envoyendpoint.Endpoint{
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Address: makeAddressPtr("10.10.10.10", 1234),
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}},
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HealthStatus: core.HealthStatus_HEALTHY,
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LoadBalancingWeight: makeUint32Value(1),
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},
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envoyendpoint.LbEndpoint{
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HostIdentifier: &envoyendpoint.LbEndpoint_Endpoint{
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Endpoint: &envoyendpoint.Endpoint{
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Address: makeAddressPtr("10.10.10.20", 1234),
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}},
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HealthStatus: core.HealthStatus_HEALTHY,
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LoadBalancingWeight: makeUint32Value(1),
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},
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},
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}},
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},
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},
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{
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name: "instances, healthy weights",
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clusterName: "service:test",
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endpoints: []loadAssignmentEndpointGroup{
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{Endpoints: testWeightedCheckServiceNodes},
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},
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want: &envoy.ClusterLoadAssignment{
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ClusterName: "service:test",
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Endpoints: []envoyendpoint.LocalityLbEndpoints{{
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LbEndpoints: []envoyendpoint.LbEndpoint{
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envoyendpoint.LbEndpoint{
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HostIdentifier: &envoyendpoint.LbEndpoint_Endpoint{
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Endpoint: &envoyendpoint.Endpoint{
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Address: makeAddressPtr("10.10.10.10", 1234),
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}},
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HealthStatus: core.HealthStatus_HEALTHY,
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LoadBalancingWeight: makeUint32Value(10),
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},
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envoyendpoint.LbEndpoint{
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HostIdentifier: &envoyendpoint.LbEndpoint_Endpoint{
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Endpoint: &envoyendpoint.Endpoint{
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Address: makeAddressPtr("10.10.10.20", 1234),
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}},
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HealthStatus: core.HealthStatus_HEALTHY,
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LoadBalancingWeight: makeUint32Value(5),
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},
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},
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}},
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},
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},
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{
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name: "instances, warning weights",
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clusterName: "service:test",
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endpoints: []loadAssignmentEndpointGroup{
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{Endpoints: testWarningCheckServiceNodes},
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},
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want: &envoy.ClusterLoadAssignment{
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ClusterName: "service:test",
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Endpoints: []envoyendpoint.LocalityLbEndpoints{{
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LbEndpoints: []envoyendpoint.LbEndpoint{
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envoyendpoint.LbEndpoint{
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HostIdentifier: &envoyendpoint.LbEndpoint_Endpoint{
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Endpoint: &envoyendpoint.Endpoint{
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Address: makeAddressPtr("10.10.10.10", 1234),
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}},
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HealthStatus: core.HealthStatus_HEALTHY,
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LoadBalancingWeight: makeUint32Value(1),
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},
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envoyendpoint.LbEndpoint{
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HostIdentifier: &envoyendpoint.LbEndpoint_Endpoint{
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Endpoint: &envoyendpoint.Endpoint{
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Address: makeAddressPtr("10.10.10.20", 1234),
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}},
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HealthStatus: core.HealthStatus_UNHEALTHY,
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LoadBalancingWeight: makeUint32Value(1),
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},
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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 _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := makeLoadAssignment(
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tt.clusterName,
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tt.overprovisioningFactor,
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tt.endpoints,
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"dc1",
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)
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require.Equal(t, tt.want, got)
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})
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}
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}
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func Test_endpointsFromSnapshot(t *testing.T) {
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tests := []struct {
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name string
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create func(t testinf.T) *proxycfg.ConfigSnapshot
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// Setup is called before the test starts. It is passed the snapshot from
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// create func and is allowed to modify it in any way to setup the
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// test input.
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setup func(snap *proxycfg.ConfigSnapshot)
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overrideGoldenName string
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}{
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{
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name: "defaults",
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create: proxycfg.TestConfigSnapshot,
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setup: nil, // Default snapshot
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},
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{
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name: "mesh-gateway",
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create: proxycfg.TestConfigSnapshotMeshGateway,
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setup: nil,
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},
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{
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name: "connect-proxy-with-chain",
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create: proxycfg.TestConfigSnapshotDiscoveryChain,
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setup: nil,
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},
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{
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name: "connect-proxy-with-chain-and-failover",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithFailover,
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setup: nil,
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},
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{
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name: "connect-proxy-with-chain-and-sliding-failover",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithFailover,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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chain := snap.ConnectProxy.DiscoveryChain["db"]
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dbTarget := structs.DiscoveryTarget{
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Service: "db",
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Namespace: "default",
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Datacenter: "dc1",
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}
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dbResolverNode := chain.GroupResolverNodes[dbTarget]
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groupResolverFailover := dbResolverNode.GroupResolver.Failover
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groupResolverFailover.Definition.OverprovisioningFactor = 160
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},
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},
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{
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name: "splitter-with-resolver-redirect",
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create: proxycfg.TestConfigSnapshotDiscoveryChain_SplitterWithResolverRedirectMultiDC,
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setup: nil,
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},
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{
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name: "mesh-gateway-service-subsets",
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create: proxycfg.TestConfigSnapshotMeshGateway,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.MeshGateway.ServiceResolvers = map[string]*structs.ServiceResolverConfigEntry{
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"bar": &structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "bar",
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Subsets: map[string]structs.ServiceResolverSubset{
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"v1": structs.ServiceResolverSubset{
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Filter: "Service.Meta.version == 1",
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},
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"v2": structs.ServiceResolverSubset{
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Filter: "Service.Meta.version == 2",
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OnlyPassing: true,
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},
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},
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},
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"foo": &structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "foo",
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Subsets: map[string]structs.ServiceResolverSubset{
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"v1": structs.ServiceResolverSubset{
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Filter: "Service.Meta.version == 1",
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},
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"v2": structs.ServiceResolverSubset{
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Filter: "Service.Meta.version == 2",
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OnlyPassing: true,
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},
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},
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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 _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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require := require.New(t)
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// Sanity check default with no overrides first
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snap := tt.create(t)
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// We need to replace the TLS certs with deterministic ones to make golden
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// files workable. Note we don't update these otherwise they'd change
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// golden files for every test case and so not be any use!
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if snap.ConnectProxy.Leaf != nil {
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snap.ConnectProxy.Leaf.CertPEM = golden(t, "test-leaf-cert", "")
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snap.ConnectProxy.Leaf.PrivateKeyPEM = golden(t, "test-leaf-key", "")
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}
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if snap.Roots != nil {
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snap.Roots.Roots[0].RootCert = golden(t, "test-root-cert", "")
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}
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if tt.setup != nil {
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tt.setup(snap)
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}
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// Need server just for logger dependency
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s := Server{Logger: log.New(os.Stderr, "", log.LstdFlags)}
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endpoints, err := s.endpointsFromSnapshot(snap, "my-token")
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sort.Slice(endpoints, func(i, j int) bool {
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return endpoints[i].(*envoy.ClusterLoadAssignment).ClusterName < endpoints[j].(*envoy.ClusterLoadAssignment).ClusterName
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})
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require.NoError(err)
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r, err := createResponse(EndpointType, "00000001", "00000001", endpoints)
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require.NoError(err)
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gotJSON := responseToJSON(t, r)
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gName := tt.name
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if tt.overrideGoldenName != "" {
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gName = tt.overrideGoldenName
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}
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require.JSONEq(golden(t, path.Join("endpoints", gName), gotJSON), gotJSON)
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})
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}
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}
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