[CC-7041] Update and start the SCADA provider in HCP manager (#19976)

* Update SCADA provider version

Also update mocks for SCADA provider.

* Create SCADA provider w/o HCP config, then update

Adds a placeholder config option to allow us to initialize a SCADA provider
without the HCP configuration. Also adds an update method to then add the
HCP configuration. We need this to be able to eventually always register a
SCADA listener at startup before the HCP config values are known.

* Pass cloud configuration to HCP manager

Save the entire cloud configuration and pass it to the HCP
manager.

* Update and start SCADA provider in HCP manager

Move config updating and starting to the HCP manager. The HCP manager
will eventually be responsible for all processes that contribute
to linking to HCP.

agent/agent.go

@@ -896,17 +896,6 @@ func (a *Agent) Start(ctx context.Context) error {
 		}()
 	}
 
-	if a.scadaProvider != nil {
-		a.scadaProvider.UpdateMeta(map[string]string{
-			"consul_server_id": string(a.config.NodeID),
-		})
-
-		if err = a.scadaProvider.Start(); err != nil {
-			a.baseDeps.Logger.Error("scada provider failed to start, some HashiCorp Cloud Platform functionality has been disabled",
-				"error", err, "resource_id", a.config.Cloud.ResourceID)
-		}
-	}
-
 	return nil
 }
 
@@ -1598,7 +1587,7 @@ func newConsulConfig(runtimeCfg *config.RuntimeConfig, logger hclog.Logger) (*co
 	cfg.RequestLimitsWriteRate = runtimeCfg.RequestLimitsWriteRate
 	cfg.Locality = runtimeCfg.StructLocality()
 
-	cfg.Cloud.ManagementToken = runtimeCfg.Cloud.ManagementToken
+	cfg.Cloud = runtimeCfg.Cloud
 
 	cfg.Reporting.License.Enabled = runtimeCfg.Reporting.License.Enabled
 

agent/agent_test.go

@@ -6343,6 +6343,7 @@ func TestAgent_scadaProvider(t *testing.T) {
 	pvd.EXPECT().Listen(scada.CAPCoreAPI.Capability()).Return(l, nil).Once()
 	pvd.EXPECT().Stop().Return(nil).Once()
 	pvd.EXPECT().SessionStatus().Return("test")
+	pvd.EXPECT().UpdateHCPConfig(mock.Anything).Return(nil).Once()
 	a := TestAgent{
 		OverrideDeps: func(deps *BaseDeps) {
 			deps.HCP.Provider = pvd

agent/consul/config.go

@@ -16,6 +16,7 @@ import (
 
 	"github.com/hashicorp/consul/agent/checks"
 	consulrate "github.com/hashicorp/consul/agent/consul/rate"
+	hcpconfig "github.com/hashicorp/consul/agent/hcp/config"
 	"github.com/hashicorp/consul/agent/structs"
 	libserf "github.com/hashicorp/consul/lib/serf"
 	"github.com/hashicorp/consul/tlsutil"
@@ -442,7 +443,7 @@ type Config struct {
 
 	Locality *structs.Locality
 
-	Cloud CloudConfig
+	Cloud hcpconfig.CloudConfig
 
 	Reporting Reporting
 

agent/consul/config_cloud.go

@@ -1,8 +0,0 @@
-// Copyright (c) HashiCorp, Inc.
-// SPDX-License-Identifier: BUSL-1.1
-
-package consul
-
-type CloudConfig struct {
-	ManagementToken string
-}

agent/consul/server.go

@@ -586,9 +586,11 @@ func NewServer(config *Config, flat Deps, externalGRPCServer *grpc.Server,
 	})
 
 	s.hcpManager = hcp.NewManager(hcp.ManagerConfig{
+		CloudConfig:   s.config.Cloud,
 		Client:        flat.HCP.Client,
 		StatusFn:      s.hcpServerStatus(flat),
 		Logger:        logger.Named("hcp_manager"),
+		SCADAProvider: flat.HCP.Provider,
 	})
 
 	var recorder *middleware.RequestRecorder

agent/hcp/deps.go

@@ -32,7 +32,7 @@ func NewDeps(cfg config.CloudConfig, logger hclog.Logger) (Deps, error) {
 		return Deps{}, fmt.Errorf("failed to init client: %w", err)
 	}
 
-	provider, err := scada.New(cfg, logger.Named("scada"))
+	provider, err := scada.New(logger.Named("scada"))
 	if err != nil {
 		return Deps{}, fmt.Errorf("failed to init scada: %w", err)
 	}

agent/hcp/manager.go

@@ -9,6 +9,8 @@ import (
 	"time"
 
 	hcpclient "github.com/hashicorp/consul/agent/hcp/client"
+	"github.com/hashicorp/consul/agent/hcp/config"
+	"github.com/hashicorp/consul/agent/hcp/scada"
 	"github.com/hashicorp/consul/lib"
 	"github.com/hashicorp/go-hclog"
 )
@@ -20,6 +22,8 @@ var (
 
 type ManagerConfig struct {
 	Client        hcpclient.Client
+	CloudConfig   config.CloudConfig
+	SCADAProvider scada.Provider
 
 	StatusFn    StatusCallback
 	MinInterval time.Duration
@@ -83,6 +87,15 @@ func (m *Manager) Run(ctx context.Context) {
 	var err error
 	m.logger.Debug("HCP manager starting")
 
+	// Update and start the SCADA provider
+	err = m.startSCADAProvider()
+	if err != nil {
+		// Log the error but continue starting the manager. The SCADA provider
+		// could potentially be updated later with a working configuration.
+		m.logger.Error("scada provider failed to start, some HashiCorp Cloud Platform functionality has been disabled",
+			"error", err)
+	}
+
 	// immediately send initial update
 	select {
 	case <-ctx.Done():
@@ -116,6 +129,34 @@ func (m *Manager) Run(ctx context.Context) {
 	}
 }
 
+func (m *Manager) startSCADAProvider() error {
+	provider := m.cfg.SCADAProvider
+	if provider == nil {
+		return nil
+	}
+
+	// Update the SCADA provider configuration with HCP configurations
+	m.logger.Debug("updating scada provider with HCP configuration")
+	err := provider.UpdateHCPConfig(m.cfg.CloudConfig)
+	if err != nil {
+		m.logger.Error("failed to update scada provider with HCP configuration", "err", err)
+		return err
+	}
+
+	// Update the SCADA provider metadata
+	provider.UpdateMeta(map[string]string{
+		"consul_server_id": string(m.cfg.CloudConfig.NodeID),
+	})
+
+	// Start the SCADA provider
+	err = provider.Start()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
 func (m *Manager) UpdateConfig(cfg ManagerConfig) {
 	m.cfgMu.Lock()
 	defer m.cfgMu.Unlock()

agent/hcp/manager_test.go

@@ -9,6 +9,8 @@ import (
 	"time"
 
 	hcpclient "github.com/hashicorp/consul/agent/hcp/client"
+	"github.com/hashicorp/consul/agent/hcp/config"
+	"github.com/hashicorp/consul/agent/hcp/scada"
 	"github.com/hashicorp/go-hclog"
 	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
@@ -22,10 +24,26 @@ func TestManager_Run(t *testing.T) {
 	}
 	updateCh := make(chan struct{}, 1)
 	client.EXPECT().PushServerStatus(mock.Anything, &hcpclient.ServerStatus{ID: t.Name()}).Return(nil).Once()
+
+	cloudCfg := config.CloudConfig{
+		ResourceID: "organization/85702e73-8a3d-47dc-291c-379b783c5804/project/8c0547c0-10e8-1ea2-dffe-384bee8da634/hashicorp.consul.global-network-manager.cluster/test",
+		NodeID:     "node-1",
+	}
+	scadaM := scada.NewMockProvider(t)
+	scadaM.EXPECT().UpdateHCPConfig(cloudCfg).Return(nil)
+	scadaM.EXPECT().UpdateMeta(
+		map[string]string{
+			"consul_server_id": string(cloudCfg.NodeID),
+		},
+	).Return()
+	scadaM.EXPECT().Start().Return(nil)
+
 	mgr := NewManager(ManagerConfig{
 		Client:        client,
 		Logger:        hclog.New(&hclog.LoggerOptions{Output: io.Discard}),
 		StatusFn:      statusF,
+		CloudConfig:   cloudCfg,
+		SCADAProvider: scadaM,
 	})
 	mgr.testUpdateSent = updateCh
 	ctx, cancel := context.WithCancel(context.Background())

agent/hcp/scada/mock_Provider.go

@@ -1,12 +1,13 @@
-// Code generated by mockery v2.20.0. DO NOT EDIT.
+// Code generated by mockery v2.38.0. DO NOT EDIT.
 
 package scada
 
 import (
-	net "net"
-
+	config "github.com/hashicorp/consul/agent/hcp/config"
 	mock "github.com/stretchr/testify/mock"
 
+	net "net"
+
 	provider "github.com/hashicorp/hcp-scada-provider"
 
 	time "time"
@@ -121,6 +122,10 @@ func (_c *MockProvider_DeleteMeta_Call) RunAndReturn(run func(...string)) *MockP
 func (_m *MockProvider) GetMeta() map[string]string {
 	ret := _m.Called()
 
+	if len(ret) == 0 {
+		panic("no return value specified for GetMeta")
+	}
+
 	var r0 map[string]string
 	if rf, ok := ret.Get(0).(func() map[string]string); ok {
 		r0 = rf()
@@ -164,6 +169,10 @@ func (_c *MockProvider_GetMeta_Call) RunAndReturn(run func() map[string]string)
 func (_m *MockProvider) LastError() (time.Time, error) {
 	ret := _m.Called()
 
+	if len(ret) == 0 {
+		panic("no return value specified for LastError")
+	}
+
 	var r0 time.Time
 	var r1 error
 	if rf, ok := ret.Get(0).(func() (time.Time, error)); ok {
@@ -215,6 +224,10 @@ func (_c *MockProvider_LastError_Call) RunAndReturn(run func() (time.Time, error
 func (_m *MockProvider) Listen(capability string) (net.Listener, error) {
 	ret := _m.Called(capability)
 
+	if len(ret) == 0 {
+		panic("no return value specified for Listen")
+	}
+
 	var r0 net.Listener
 	var r1 error
 	if rf, ok := ret.Get(0).(func(string) (net.Listener, error)); ok {
@@ -269,6 +282,10 @@ func (_c *MockProvider_Listen_Call) RunAndReturn(run func(string) (net.Listener,
 func (_m *MockProvider) SessionStatus() string {
 	ret := _m.Called()
 
+	if len(ret) == 0 {
+		panic("no return value specified for SessionStatus")
+	}
+
 	var r0 string
 	if rf, ok := ret.Get(0).(func() string); ok {
 		r0 = rf()
@@ -310,6 +327,10 @@ func (_c *MockProvider_SessionStatus_Call) RunAndReturn(run func() string) *Mock
 func (_m *MockProvider) Start() error {
 	ret := _m.Called()
 
+	if len(ret) == 0 {
+		panic("no return value specified for Start")
+	}
+
 	var r0 error
 	if rf, ok := ret.Get(0).(func() error); ok {
 		r0 = rf()
@@ -351,6 +372,10 @@ func (_c *MockProvider_Start_Call) RunAndReturn(run func() error) *MockProvider_
 func (_m *MockProvider) Stop() error {
 	ret := _m.Called()
 
+	if len(ret) == 0 {
+		panic("no return value specified for Stop")
+	}
+
 	var r0 error
 	if rf, ok := ret.Get(0).(func() error); ok {
 		r0 = rf()
@@ -388,6 +413,98 @@ func (_c *MockProvider_Stop_Call) RunAndReturn(run func() error) *MockProvider_S
 	return _c
 }
 
+// UpdateConfig provides a mock function with given fields: _a0
+func (_m *MockProvider) UpdateConfig(_a0 *provider.Config) error {
+	ret := _m.Called(_a0)
+
+	if len(ret) == 0 {
+		panic("no return value specified for UpdateConfig")
+	}
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(*provider.Config) error); ok {
+		r0 = rf(_a0)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
+
+// MockProvider_UpdateConfig_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'UpdateConfig'
+type MockProvider_UpdateConfig_Call struct {
+	*mock.Call
+}
+
+// UpdateConfig is a helper method to define mock.On call
+//   - _a0 *provider.Config
+func (_e *MockProvider_Expecter) UpdateConfig(_a0 interface{}) *MockProvider_UpdateConfig_Call {
+	return &MockProvider_UpdateConfig_Call{Call: _e.mock.On("UpdateConfig", _a0)}
+}
+
+func (_c *MockProvider_UpdateConfig_Call) Run(run func(_a0 *provider.Config)) *MockProvider_UpdateConfig_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(*provider.Config))
+	})
+	return _c
+}
+
+func (_c *MockProvider_UpdateConfig_Call) Return(_a0 error) *MockProvider_UpdateConfig_Call {
+	_c.Call.Return(_a0)
+	return _c
+}
+
+func (_c *MockProvider_UpdateConfig_Call) RunAndReturn(run func(*provider.Config) error) *MockProvider_UpdateConfig_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// UpdateHCPConfig provides a mock function with given fields: cfg
+func (_m *MockProvider) UpdateHCPConfig(cfg config.CloudConfig) error {
+	ret := _m.Called(cfg)
+
+	if len(ret) == 0 {
+		panic("no return value specified for UpdateHCPConfig")
+	}
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(config.CloudConfig) error); ok {
+		r0 = rf(cfg)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
+
+// MockProvider_UpdateHCPConfig_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'UpdateHCPConfig'
+type MockProvider_UpdateHCPConfig_Call struct {
+	*mock.Call
+}
+
+// UpdateHCPConfig is a helper method to define mock.On call
+//   - cfg config.CloudConfig
+func (_e *MockProvider_Expecter) UpdateHCPConfig(cfg interface{}) *MockProvider_UpdateHCPConfig_Call {
+	return &MockProvider_UpdateHCPConfig_Call{Call: _e.mock.On("UpdateHCPConfig", cfg)}
+}
+
+func (_c *MockProvider_UpdateHCPConfig_Call) Run(run func(cfg config.CloudConfig)) *MockProvider_UpdateHCPConfig_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(config.CloudConfig))
+	})
+	return _c
+}
+
+func (_c *MockProvider_UpdateHCPConfig_Call) Return(_a0 error) *MockProvider_UpdateHCPConfig_Call {
+	_c.Call.Return(_a0)
+	return _c
+}
+
+func (_c *MockProvider_UpdateHCPConfig_Call) RunAndReturn(run func(config.CloudConfig) error) *MockProvider_UpdateHCPConfig_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
 // UpdateMeta provides a mock function with given fields: _a0
 func (_m *MockProvider) UpdateMeta(_a0 map[string]string) {
 	_m.Called(_a0)
@@ -421,13 +538,12 @@ func (_c *MockProvider_UpdateMeta_Call) RunAndReturn(run func(map[string]string)
 	return _c
 }
 
-type mockConstructorTestingTNewMockProvider interface {
+// NewMockProvider creates a new instance of MockProvider. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewMockProvider(t interface {
 	mock.TestingT
 	Cleanup(func())
-}
-
-// NewMockProvider creates a new instance of MockProvider. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-func NewMockProvider(t mockConstructorTestingTNewMockProvider) *MockProvider {
+}) *MockProvider {
 	mock := &MockProvider{}
 	mock.Mock.Test(t)
 

agent/hcp/scada/scada.go

@@ -11,7 +11,8 @@ import (
 	"github.com/hashicorp/go-hclog"
 	libscada "github.com/hashicorp/hcp-scada-provider"
 	"github.com/hashicorp/hcp-scada-provider/capability"
-	"github.com/hashicorp/hcp-sdk-go/resource"
+	cloud "github.com/hashicorp/hcp-sdk-go/clients/cloud-shared/v1/models"
+	hcpcfg "github.com/hashicorp/hcp-sdk-go/config"
 )
 
 // Provider is the interface used in the rest of Consul core when using SCADA, it is aliased here to the same interface
@@ -21,34 +22,72 @@ import (
 //go:generate mockery --name Provider --with-expecter --inpackage
 type Provider interface {
 	libscada.SCADAProvider
+	UpdateHCPConfig(cfg config.CloudConfig) error
 }
 
 const (
 	scadaConsulServiceKey = "consul"
 )
 
-func New(cfg config.CloudConfig, logger hclog.Logger) (Provider, error) {
-	resource, err := resource.FromString(cfg.ResourceID)
-	if err != nil {
-		return nil, fmt.Errorf("failed to parse cloud resource_id: %w", err)
+type scadaProvider struct {
+	libscada.SCADAProvider
+	logger hclog.Logger
 }
 
-	hcpConfig, err := cfg.HCPConfig()
+// New returns an initialized SCADA provider with a zero configuration.
+// It can listen but cannot start until UpdateHCPConfig is called with
+// a configuration that provides credentials to contact HCP.
+func New(logger hclog.Logger) (*scadaProvider, error) {
+	// Create placeholder resource link
+	resourceLink := cloud.HashicorpCloudLocationLink{
+		Type:     "no-op",
+		ID:       "no-op",
+		Location: &cloud.HashicorpCloudLocationLocation{},
+	}
+
+	// Configure with an empty HCP configuration
+	hcpConfig, err := hcpcfg.NewHCPConfig(hcpcfg.WithoutBrowserLogin())
 	if err != nil {
-		return nil, fmt.Errorf("failed to build HCPConfig: %w", err)
+		return nil, fmt.Errorf("failed to configure SCADA provider: %w", err)
 	}
 
 	pvd, err := libscada.New(&libscada.Config{
 		Service:   scadaConsulServiceKey,
 		HCPConfig: hcpConfig,
-		Resource:  *resource.Link(),
+		Resource:  resourceLink,
 		Logger:    logger,
 	})
 	if err != nil {
 		return nil, err
 	}
 
-	return pvd, nil
+	return &scadaProvider{pvd, logger}, nil
+}
+
+// UpdateHCPConfig updates the SCADA provider with the given HCP
+// configurations.
+func (p *scadaProvider) UpdateHCPConfig(cfg config.CloudConfig) error {
+	resource, err := cfg.Resource()
+	if err != nil {
+		return err
+	}
+
+	hcpCfg, err := cfg.HCPConfig()
+	if err != nil {
+		return err
+	}
+
+	err = p.UpdateConfig(&libscada.Config{
+		Service:   scadaConsulServiceKey,
+		HCPConfig: hcpCfg,
+		Resource:  *resource.Link(),
+		Logger:    p.logger,
+	})
+	if err != nil {
+		return err
+	}
+
+	return nil
 }
 
 // IsCapability takes a net.Addr and returns true if it is a SCADA capability.Addr

agent/hcp/scada/scada_test.go

@@ -0,0 +1,52 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+
+package scada
+
+import (
+	"testing"
+
+	"github.com/hashicorp/consul/agent/hcp/config"
+	"github.com/hashicorp/go-hclog"
+	"github.com/stretchr/testify/require"
+)
+
+func TestUpdateHCPConfig(t *testing.T) {
+	for name, tc := range map[string]struct {
+		cfg         config.CloudConfig
+		expectedErr string
+	}{
+		"Success": {
+			cfg: config.CloudConfig{
+				ResourceID:   "organization/85702e73-8a3d-47dc-291c-379b783c5804/project/8c0547c0-10e8-1ea2-dffe-384bee8da634/hashicorp.consul.global-network-manager.cluster/test",
+				ClientID:     "test",
+				ClientSecret: "test",
+			},
+		},
+		"Empty": {
+			cfg:         config.CloudConfig{},
+			expectedErr: "could not parse resource: unexpected number of tokens 1",
+		},
+		"InvalidResource": {
+			cfg: config.CloudConfig{
+				ResourceID: "invalid",
+			},
+			expectedErr: "could not parse resource: unexpected number of tokens 1",
+		},
+	} {
+		t.Run(name, func(t *testing.T) {
+			// Create a provider
+			p, err := New(hclog.NewNullLogger())
+			require.NoError(t, err)
+
+			// Update the provider
+			err = p.UpdateHCPConfig(tc.cfg)
+			if tc.expectedErr != "" {
+				require.Error(t, err)
+				require.Contains(t, err.Error(), tc.expectedErr)
+				return
+			}
+			require.NoError(t, err)
+		})
+	}
+}

go.mod

@@ -66,7 +66,7 @@ require (
 	github.com/hashicorp/hcdiag v0.5.1
 	github.com/hashicorp/hcl v1.0.0
 	github.com/hashicorp/hcl/v2 v2.14.1
-	github.com/hashicorp/hcp-scada-provider v0.2.3
+	github.com/hashicorp/hcp-scada-provider v0.2.4-0.20231215224332-eb6c5d2e36d2
 	github.com/hashicorp/hcp-sdk-go v0.73.0
 	github.com/hashicorp/hil v0.0.0-20200423225030-a18a1cd20038
 	github.com/hashicorp/memberlist v0.5.0

go.sum

@@ -577,8 +577,8 @@ github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hashicorp/hcl/v2 v2.14.1 h1:x0BpjfZ+CYdbiz+8yZTQ+gdLO7IXvOut7Da+XJayx34=
 github.com/hashicorp/hcl/v2 v2.14.1/go.mod h1:e4z5nxYlWNPdDSNYX+ph14EvWYMFm3eP0zIUqPc2jr0=
-github.com/hashicorp/hcp-scada-provider v0.2.3 h1:AarYR+/Pcv+cMvPdAlb92uOBmZfEH6ny4+DT+4NY2VQ=
-github.com/hashicorp/hcp-scada-provider v0.2.3/go.mod h1:ZFTgGwkzNv99PLQjTsulzaCplCzOTBh0IUQsPKzrQFo=
+github.com/hashicorp/hcp-scada-provider v0.2.4-0.20231215224332-eb6c5d2e36d2 h1:qvvooL5OqWc6yiExmSQpHUUS1UZq0di/9OXh5Mwv6Xc=
+github.com/hashicorp/hcp-scada-provider v0.2.4-0.20231215224332-eb6c5d2e36d2/go.mod h1:ZFTgGwkzNv99PLQjTsulzaCplCzOTBh0IUQsPKzrQFo=
 github.com/hashicorp/hcp-sdk-go v0.73.0 h1:KjizNN/53nu4YkrDZ24xKjy4EgFt9b3nk1vgfAmgwUk=
 github.com/hashicorp/hcp-sdk-go v0.73.0/go.mod h1:k/wgUsKSa2OzWBM5/Pj5ST0YwFGpgC4O5EtCq882jSw=
 github.com/hashicorp/hil v0.0.0-20200423225030-a18a1cd20038 h1:n9J0rwVWXDpNd5iZnwY7w4WZyq53/rROeI7OVvLW8Ok=