open-consul/agent/consul/grpc_integration_test.go

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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package consul
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/hashicorp/consul/agent/connect"
"github.com/hashicorp/consul/agent/consul/authmethod/testauth"
external "github.com/hashicorp/consul/agent/grpc-external"
"github.com/hashicorp/consul/agent/structs"
tokenStore "github.com/hashicorp/consul/agent/token"
"github.com/hashicorp/consul/proto-public/pbacl"
"github.com/hashicorp/consul/proto-public/pbconnectca"
"github.com/hashicorp/consul/proto-public/pbserverdiscovery"
)
func TestGRPCIntegration_ConnectCA_Sign(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
// The gRPC endpoint itself well-tested with mocks. This test checks we're
// correctly wiring everything up in the server by:
//
// * Starting a cluster with multiple servers.
// * Making a request to a follower's external gRPC port.
// * Ensuring that the request is correctly forwarded to the leader.
// * Ensuring we get a valid certificate back (so it went through the CAManager).
server1, conn1, _ := testGRPCIntegrationServer(t, func(c *Config) {
c.Bootstrap = false
c.BootstrapExpect = 2
})
server2, conn2, _ := testGRPCIntegrationServer(t, func(c *Config) {
c.Bootstrap = false
})
joinLAN(t, server2, server1)
waitForLeaderEstablishment(t, server1, server2)
conn := conn2
if server2.IsLeader() {
conn = conn1
}
client := pbconnectca.NewConnectCAServiceClient(conn)
csr, _ := connect.TestCSR(t, &connect.SpiffeIDService{
Host: connect.TestClusterID + ".consul",
Namespace: "default",
Datacenter: "dc1",
Service: "foo",
})
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
t.Cleanup(cancel)
options := structs.QueryOptions{Token: TestDefaultInitialManagementToken}
ctx, err := external.ContextWithQueryOptions(ctx, options)
require.NoError(t, err)
// This would fail if it wasn't forwarded to the leader.
rsp, err := client.Sign(ctx, &pbconnectca.SignRequest{
Csr: csr,
})
require.NoError(t, err)
_, err = connect.ParseCert(rsp.CertPem)
require.NoError(t, err)
}
func TestGRPCIntegration_ServerDiscovery_WatchServers(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
// The gRPC endpoint itself well-tested with mocks. This test checks we're
// correctly wiring everything up in the server by:
//
// * Starting a server
// * Initiating the gRPC stream
// * Validating the snapshot
// * Adding another server
// * Validating another message is sent.
server1, conn, _ := testGRPCIntegrationServer(t, func(c *Config) {
c.Bootstrap = true
c.BootstrapExpect = 1
})
waitForLeaderEstablishment(t, server1)
client := pbserverdiscovery.NewServerDiscoveryServiceClient(conn)
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
t.Cleanup(cancel)
options := structs.QueryOptions{Token: TestDefaultInitialManagementToken}
ctx, err := external.ContextWithQueryOptions(ctx, options)
require.NoError(t, err)
serverStream, err := client.WatchServers(ctx, &pbserverdiscovery.WatchServersRequest{Wan: false})
require.NoError(t, err)
rsp, err := serverStream.Recv()
require.NoError(t, err)
require.NotNil(t, rsp)
require.Len(t, rsp.Servers, 1)
_, server2, _ := testACLServerWithConfig(t, func(c *Config) {
c.Bootstrap = false
}, false)
// join the new server to the leader
joinLAN(t, server2, server1)
// now receive the event containing 2 servers
rsp, err = serverStream.Recv()
require.NoError(t, err)
require.NotNil(t, rsp)
require.Len(t, rsp.Servers, 2)
}
func TestGRPCIntegration_ACL_Login_Logout(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
// The gRPC endpoints themselves are well unit tested - this test ensures we're
// correctly wiring everything up and exercises the cross-dc RPC forwarding by:
//
// * Starting two servers in different datacenters.
// * WAN federating them.
// * Configuring ACL token replication in the secondary datacenter.
// * Registering an auth method (configured for global tokens) in the primary
// datacenter.
// * Making a Login request to the secondary DC, with the request's Datacenter
// field set to "primary" (to exercise user requested DC forwarding).
// * Waiting for the token to be replicated to the secondary DC.
// * Making a Logout request to the secondary DC, with the request's Datacenter
// field set to "secondary" — the request will be forwarded to the primary
// datacenter anyway because the token is global.
// Start the primary DC.
primary, _, primaryCodec := testGRPCIntegrationServer(t, func(c *Config) {
c.Bootstrap = true
c.BootstrapExpect = 1
c.Datacenter = "primary"
c.PrimaryDatacenter = "primary"
})
waitForLeaderEstablishment(t, primary)
// Configured the auth method.
testSessionID := testauth.StartSession()
defer testauth.ResetSession(testSessionID)
testauth.InstallSessionToken(testSessionID, "fake-token", "default", "demo", "abc123")
authMethod, err := upsertTestCustomizedAuthMethod(primaryCodec, TestDefaultInitialManagementToken, "primary", func(method *structs.ACLAuthMethod) {
method.Config = map[string]interface{}{
"SessionID": testSessionID,
}
method.TokenLocality = "global"
})
require.NoError(t, err)
_, err = upsertTestBindingRule(primaryCodec, TestDefaultInitialManagementToken, "primary", authMethod.Name, "", structs.BindingRuleBindTypeService, "demo")
require.NoError(t, err)
// Start the secondary DC.
secondary, secondaryConn, _ := testGRPCIntegrationServer(t, func(c *Config) {
c.Bootstrap = true
c.BootstrapExpect = 1
c.Datacenter = "secondary"
c.PrimaryDatacenter = "primary"
c.ACLTokenReplication = true
})
secondary.tokens.UpdateReplicationToken(TestDefaultInitialManagementToken, tokenStore.TokenSourceConfig)
waitForLeaderEstablishment(t, secondary)
// WAN federate the primary and secondary DCs.
joinWAN(t, primary, secondary)
client := pbacl.NewACLServiceClient(secondaryConn)
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
t.Cleanup(cancel)
// Make a Login request to the secondary DC, but request that it is forwarded
// to the primary DC.
rsp, err := client.Login(ctx, &pbacl.LoginRequest{
AuthMethod: authMethod.Name,
BearerToken: "fake-token",
Datacenter: "primary",
})
require.NoError(t, err)
require.NotNil(t, rsp.Token)
require.NotEmpty(t, rsp.Token.AccessorId)
require.NotEmpty(t, rsp.Token.SecretId)
// Check token was created in the primary DC.
tokenIdx, token, err := primary.FSM().State().ACLTokenGetByAccessor(nil, rsp.Token.AccessorId, nil)
require.NoError(t, err)
require.NotNil(t, token)
require.False(t, token.Local, "token should be global")
// Wait for token to be replicated to the secondary DC.
waitForNewACLReplication(t, secondary, structs.ACLReplicateTokens, 0, tokenIdx, 0)
// Make a Logout request to the secondary DC, the request should be forwarded
// to the primary DC anyway because the token is global.
_, err = client.Logout(ctx, &pbacl.LogoutRequest{
Token: rsp.Token.SecretId,
Datacenter: "secondary",
})
require.NoError(t, err)
}