mirror of https://github.com/status-im/consul.git
1168 lines
36 KiB
Go
1168 lines
36 KiB
Go
package xds
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import (
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"errors"
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"sync/atomic"
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"testing"
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"time"
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envoy_discovery_v3 "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
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"github.com/golang/protobuf/proto"
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"github.com/stretchr/testify/require"
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rpcstatus "google.golang.org/genproto/googleapis/rpc/status"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/agent/proxycfg"
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"github.com/hashicorp/consul/agent/structs"
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)
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// NOTE: For these tests, prefer not using xDS protobuf "factory" methods if
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// possible to avoid using them to test themselves.
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//
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// Stick to very straightforward stuff in xds_protocol_helpers_test.go.
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func TestServer_DeltaAggregatedResources_v3_BasicProtocol_TCP(t *testing.T) {
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aclResolve := func(id string) (acl.Authorizer, error) {
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// Allow all
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return acl.RootAuthorizer("manage"), nil
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}
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scenario := newTestServerDeltaScenario(t, aclResolve, "web-sidecar-proxy", "", 0)
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mgr, errCh, envoy := scenario.mgr, scenario.errCh, scenario.envoy
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sid := structs.NewServiceID("web-sidecar-proxy", nil)
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// Register the proxy to create state needed to Watch() on
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mgr.RegisterProxy(t, sid)
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var snap *proxycfg.ConfigSnapshot
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runStep(t, "initial setup", func(t *testing.T) {
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snap = newTestSnapshot(t, nil, "")
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// Send initial cluster discover. We'll assume we are testing a partial
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// reconnect and include some initial resource versions that will be
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// cleaned up.
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envoy.SendDeltaReq(t, ClusterType, &envoy_discovery_v3.DeltaDiscoveryRequest{
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InitialResourceVersions: mustMakeVersionMap(t,
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makeTestCluster(t, snap, "tcp:geo-cache"),
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),
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})
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// Check no response sent yet
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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requireProtocolVersionGauge(t, scenario, "v3", 1)
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// Deliver a new snapshot (tcp with one tcp upstream)
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mgr.DeliverConfig(t, sid, snap)
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})
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runStep(t, "first sync", func(t *testing.T) {
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: ClusterType,
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Nonce: hexString(1),
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Resources: makeTestResources(t,
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makeTestCluster(t, snap, "tcp:local_app"),
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makeTestCluster(t, snap, "tcp:db"),
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// SAME_AS_INITIAL_VERSION: makeTestCluster(t, snap, "tcp:geo-cache"),
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),
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})
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// Envoy then tries to discover endpoints for those clusters.
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envoy.SendDeltaReq(t, EndpointType, &envoy_discovery_v3.DeltaDiscoveryRequest{
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// We'll assume we are testing a partial "reconnect"
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InitialResourceVersions: mustMakeVersionMap(t,
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makeTestEndpoints(t, snap, "tcp:geo-cache"),
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),
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ResourceNamesSubscribe: []string{
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"db.default.dc1.internal.11111111-2222-3333-4444-555555555555.consul",
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// "geo-cache.default.dc1.query.11111111-2222-3333-4444-555555555555.consul",
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//
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// Include "fake-endpoints" here to test subscribing to an unknown
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// thing and have consul tell us there's no data for it.
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"fake-endpoints",
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},
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})
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// It also (in parallel) issues the cluster ACK
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envoy.SendDeltaReqACK(t, ClusterType, 1)
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// We should get a response immediately since the config is already present in
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// the server for endpoints. Note that this should not be racy if the server
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// is behaving well since the Cluster send above should be blocked until we
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// deliver a new config version.
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: EndpointType,
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Nonce: hexString(2),
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Resources: makeTestResources(t,
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makeTestEndpoints(t, snap, "tcp:db"),
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// SAME_AS_INITIAL_VERSION: makeTestEndpoints(t, snap, "tcp:geo-cache"),
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),
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})
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// And no other response yet
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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// Envoy now sends listener request
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envoy.SendDeltaReq(t, ListenerType, nil)
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// It also (in parallel) issues the endpoint ACK
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envoy.SendDeltaReqACK(t, EndpointType, 2)
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// And should get a response immediately.
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: ListenerType,
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Nonce: hexString(3),
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Resources: makeTestResources(t,
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makeTestListener(t, snap, "tcp:public_listener"),
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makeTestListener(t, snap, "tcp:db"),
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makeTestListener(t, snap, "tcp:geo-cache"),
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),
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})
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// cleanup unused resources now that we've created/updated relevant things
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: EndpointType,
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Nonce: hexString(4),
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RemovedResources: []string{
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"fake-endpoints", // correcting the errant subscription
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},
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})
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// And no other response yet
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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// ACKs the listener
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envoy.SendDeltaReqACK(t, ListenerType, 3)
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// ACK the endpoint removal
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envoy.SendDeltaReqACK(t, EndpointType, 4)
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// If we re-subscribe to something even if there are no changes we get a
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// fresh copy.
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envoy.SendDeltaReq(t, EndpointType, &envoy_discovery_v3.DeltaDiscoveryRequest{
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ResourceNamesSubscribe: []string{
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"geo-cache.default.dc1.query.11111111-2222-3333-4444-555555555555.consul",
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},
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})
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: EndpointType,
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Nonce: hexString(5),
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Resources: makeTestResources(t,
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makeTestEndpoints(t, snap, "tcp:geo-cache"),
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),
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})
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envoy.SendDeltaReqACK(t, EndpointType, 5)
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// And no other response yet
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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})
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deleteAllButOneEndpoint := func(snap *proxycfg.ConfigSnapshot, svc, targetID string) {
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snap.ConnectProxy.ConfigSnapshotUpstreams.WatchedUpstreamEndpoints[svc][targetID] =
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snap.ConnectProxy.ConfigSnapshotUpstreams.WatchedUpstreamEndpoints[svc][targetID][0:1]
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}
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runStep(t, "avoid sending config for unsubscribed resource", func(t *testing.T) {
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envoy.SendDeltaReq(t, EndpointType, &envoy_discovery_v3.DeltaDiscoveryRequest{
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ResourceNamesUnsubscribe: []string{
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"db.default.dc1.internal.11111111-2222-3333-4444-555555555555.consul",
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},
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})
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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// now reconfigure the snapshot and JUST edit the endpoints to strike one of the two current endpoints for DB
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snap = newTestSnapshot(t, snap, "")
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deleteAllButOneEndpoint(snap, "db", "db.default.default.dc1")
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mgr.DeliverConfig(t, sid, snap)
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// We never send an EDS reply about this change.
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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})
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runStep(t, "restore endpoint subscription", func(t *testing.T) {
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// Fix the snapshot
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snap = newTestSnapshot(t, snap, "")
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mgr.DeliverConfig(t, sid, snap)
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// We never send an EDS reply about this change.
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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// and fix the subscription
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envoy.SendDeltaReq(t, EndpointType, &envoy_discovery_v3.DeltaDiscoveryRequest{
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ResourceNamesSubscribe: []string{
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"db.default.dc1.internal.11111111-2222-3333-4444-555555555555.consul",
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},
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})
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: EndpointType,
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Nonce: hexString(6),
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Resources: makeTestResources(t,
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makeTestEndpoints(t, snap, "tcp:db"),
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),
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})
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envoy.SendDeltaReqACK(t, EndpointType, 6)
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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})
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runStep(t, "simulate envoy NACKing an endpoint update", func(t *testing.T) {
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// Trigger only an EDS update.
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snap = newTestSnapshot(t, snap, "")
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deleteAllButOneEndpoint(snap, "db", "db.default.default.dc1")
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mgr.DeliverConfig(t, sid, snap)
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// Send envoy an EDS update.
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: EndpointType,
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Nonce: hexString(7),
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Resources: makeTestResources(t,
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makeTestEndpoints(t, snap, "tcp:db[0]"),
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),
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})
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envoy.SendDeltaReqNACK(t, EndpointType, 7, &rpcstatus.Status{})
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// Send it again.
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: EndpointType,
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Nonce: hexString(8),
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Resources: makeTestResources(t,
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makeTestEndpoints(t, snap, "tcp:db[0]"),
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),
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})
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envoy.SendDeltaReqACK(t, EndpointType, 8)
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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})
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// NOTE: this has to be the last subtest since it kills the stream
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runStep(t, "simulate an envoy error sending an update to envoy", func(t *testing.T) {
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// Force sends to fail
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envoy.SetSendErr(errors.New("test error"))
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// Trigger only an EDS update (flipping BACK to 2 endpoints in the LBassignment)
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snap = newTestSnapshot(t, snap, "")
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mgr.DeliverConfig(t, sid, snap)
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// We never send any replies about this change because we died.
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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})
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envoy.Close()
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select {
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case err := <-errCh:
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// Envoy died.
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expect := status.Errorf(codes.Unavailable,
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"failed to send upsert reply for type %q: test error",
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EndpointType)
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require.EqualError(t, err, expect.Error())
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case <-time.After(50 * time.Millisecond):
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t.Fatalf("timed out waiting for handler to finish")
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}
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}
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func TestServer_DeltaAggregatedResources_v3_BasicProtocol_HTTP2(t *testing.T) {
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aclResolve := func(id string) (acl.Authorizer, error) {
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// Allow all
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return acl.RootAuthorizer("manage"), nil
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}
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scenario := newTestServerDeltaScenario(t, aclResolve, "web-sidecar-proxy", "", 0)
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mgr, errCh, envoy := scenario.mgr, scenario.errCh, scenario.envoy
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sid := structs.NewServiceID("web-sidecar-proxy", nil)
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// Register the proxy to create state needed to Watch() on
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mgr.RegisterProxy(t, sid)
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// Send initial cluster discover (empty payload)
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envoy.SendDeltaReq(t, ClusterType, nil)
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// Check no response sent yet
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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// Deliver a new snapshot (tcp with one http upstream)
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snap := newTestSnapshot(t, nil, "http2", &structs.ServiceConfigEntry{
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Kind: structs.ServiceDefaults,
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Name: "db",
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Protocol: "http2",
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})
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mgr.DeliverConfig(t, sid, snap)
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runStep(t, "no-rds", func(t *testing.T) {
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: ClusterType,
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Nonce: hexString(1),
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Resources: makeTestResources(t,
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makeTestCluster(t, snap, "tcp:local_app"),
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makeTestCluster(t, snap, "http2:db"),
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makeTestCluster(t, snap, "tcp:geo-cache"),
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),
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})
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// Envoy then tries to discover endpoints for those clusters.
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envoy.SendDeltaReq(t, EndpointType, &envoy_discovery_v3.DeltaDiscoveryRequest{
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ResourceNamesSubscribe: []string{
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"db.default.dc1.internal.11111111-2222-3333-4444-555555555555.consul",
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"geo-cache.default.dc1.query.11111111-2222-3333-4444-555555555555.consul",
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},
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})
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// It also (in parallel) issues the cluster ACK
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envoy.SendDeltaReqACK(t, ClusterType, 1)
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// We should get a response immediately since the config is already present in
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// the server for endpoints. Note that this should not be racy if the server
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// is behaving well since the Cluster send above should be blocked until we
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// deliver a new config version.
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: EndpointType,
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Nonce: hexString(2),
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Resources: makeTestResources(t,
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makeTestEndpoints(t, snap, "http2:db"),
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makeTestEndpoints(t, snap, "tcp:geo-cache"),
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),
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})
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// And no other response yet
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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// Envoy now sends listener request
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envoy.SendDeltaReq(t, ListenerType, nil)
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// It also (in parallel) issues the endpoint ACK
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envoy.SendDeltaReqACK(t, EndpointType, 2)
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// And should get a response immediately.
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: ListenerType,
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Nonce: hexString(3),
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Resources: makeTestResources(t,
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makeTestListener(t, snap, "tcp:public_listener"),
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makeTestListener(t, snap, "http2:db"),
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makeTestListener(t, snap, "tcp:geo-cache"),
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),
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})
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// And no other response yet
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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// ACKs the listener
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envoy.SendDeltaReqACK(t, ListenerType, 3)
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// And no other response yet
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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})
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// -- reconfigure with a no-op discovery chain
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snap = newTestSnapshot(t, snap, "http2", &structs.ServiceConfigEntry{
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Kind: structs.ServiceDefaults,
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Name: "db",
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Protocol: "http2",
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}, &structs.ServiceRouterConfigEntry{
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Kind: structs.ServiceRouter,
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Name: "db",
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Routes: nil,
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})
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mgr.DeliverConfig(t, sid, snap)
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runStep(t, "with-rds", func(t *testing.T) {
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// Just the "db" listener sees a change
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: ListenerType,
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Nonce: hexString(4),
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Resources: makeTestResources(t,
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makeTestListener(t, snap, "http2:db:rds"),
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),
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})
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// And no other response yet
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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|
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// Envoy now sends routes request
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envoy.SendDeltaReq(t, RouteType, &envoy_discovery_v3.DeltaDiscoveryRequest{
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ResourceNamesSubscribe: []string{
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"db",
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},
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})
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|
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// ACKs the listener
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envoy.SendDeltaReqACK(t, ListenerType, 4)
|
|
|
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// And should get a response immediately.
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
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TypeUrl: RouteType,
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Nonce: hexString(5),
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Resources: makeTestResources(t,
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makeTestRoute(t, "http2:db"),
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),
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})
|
|
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envoy.SendDeltaReqACK(t, RouteType, 5)
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|
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assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
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})
|
|
|
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envoy.Close()
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select {
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case err := <-errCh:
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require.NoError(t, err)
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case <-time.After(50 * time.Millisecond):
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t.Fatalf("timed out waiting for handler to finish")
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}
|
|
}
|
|
|
|
func TestServer_DeltaAggregatedResources_v3_BasicProtocol_TCP_clusterChangesImpactEndpoints(t *testing.T) {
|
|
aclResolve := func(id string) (acl.Authorizer, error) {
|
|
// Allow all
|
|
return acl.RootAuthorizer("manage"), nil
|
|
}
|
|
scenario := newTestServerDeltaScenario(t, aclResolve, "web-sidecar-proxy", "", 0)
|
|
mgr, errCh, envoy := scenario.mgr, scenario.errCh, scenario.envoy
|
|
|
|
sid := structs.NewServiceID("web-sidecar-proxy", nil)
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|
|
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// Register the proxy to create state needed to Watch() on
|
|
mgr.RegisterProxy(t, sid)
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|
|
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var snap *proxycfg.ConfigSnapshot
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|
runStep(t, "get into initial state", func(t *testing.T) {
|
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snap = newTestSnapshot(t, nil, "")
|
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|
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// Send initial cluster discover.
|
|
envoy.SendDeltaReq(t, ClusterType, &envoy_discovery_v3.DeltaDiscoveryRequest{})
|
|
|
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// Check no response sent yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
|
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requireProtocolVersionGauge(t, scenario, "v3", 1)
|
|
|
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// Deliver a new snapshot (tcp with one tcp upstream)
|
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mgr.DeliverConfig(t, sid, snap)
|
|
|
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assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ClusterType,
|
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Nonce: hexString(1),
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|
Resources: makeTestResources(t,
|
|
makeTestCluster(t, snap, "tcp:local_app"),
|
|
makeTestCluster(t, snap, "tcp:db"),
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makeTestCluster(t, snap, "tcp:geo-cache"),
|
|
),
|
|
})
|
|
|
|
// Envoy then tries to discover endpoints for those clusters.
|
|
envoy.SendDeltaReq(t, EndpointType, &envoy_discovery_v3.DeltaDiscoveryRequest{
|
|
ResourceNamesSubscribe: []string{
|
|
"db.default.dc1.internal.11111111-2222-3333-4444-555555555555.consul",
|
|
"geo-cache.default.dc1.query.11111111-2222-3333-4444-555555555555.consul",
|
|
},
|
|
})
|
|
|
|
// It also (in parallel) issues the cluster ACK
|
|
envoy.SendDeltaReqACK(t, ClusterType, 1)
|
|
|
|
// We should get a response immediately since the config is already present in
|
|
// the server for endpoints. Note that this should not be racy if the server
|
|
// is behaving well since the Cluster send above should be blocked until we
|
|
// deliver a new config version.
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: EndpointType,
|
|
Nonce: hexString(2),
|
|
Resources: makeTestResources(t,
|
|
makeTestEndpoints(t, snap, "tcp:db"),
|
|
makeTestEndpoints(t, snap, "tcp:geo-cache"),
|
|
),
|
|
})
|
|
|
|
// And no other response yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
|
|
// Envoy now sends listener request
|
|
envoy.SendDeltaReq(t, ListenerType, nil)
|
|
|
|
// It also (in parallel) issues the endpoint ACK
|
|
envoy.SendDeltaReqACK(t, EndpointType, 2)
|
|
|
|
// And should get a response immediately.
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ListenerType,
|
|
Nonce: hexString(3),
|
|
Resources: makeTestResources(t,
|
|
makeTestListener(t, snap, "tcp:public_listener"),
|
|
makeTestListener(t, snap, "tcp:db"),
|
|
makeTestListener(t, snap, "tcp:geo-cache"),
|
|
),
|
|
})
|
|
|
|
// And no other response yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
|
|
// ACKs the listener
|
|
envoy.SendDeltaReqACK(t, ListenerType, 3)
|
|
})
|
|
|
|
runStep(t, "trigger cluster update needing implicit endpoint replacements", func(t *testing.T) {
|
|
// Update the snapshot in a way that causes a single cluster update.
|
|
snap = newTestSnapshot(t, snap, "", &structs.ServiceResolverConfigEntry{
|
|
Kind: structs.ServiceResolver,
|
|
Name: "db",
|
|
ConnectTimeout: 1337 * time.Second,
|
|
})
|
|
mgr.DeliverConfig(t, sid, snap)
|
|
|
|
// The cluster is updated
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ClusterType,
|
|
Nonce: hexString(4),
|
|
Resources: makeTestResources(t,
|
|
// SAME makeTestCluster(t, snap, "tcp:local_app"),
|
|
makeTestCluster(t, snap, "tcp:db:timeout"),
|
|
// SAME makeTestCluster(t, snap, "tcp:geo-cache"),
|
|
),
|
|
})
|
|
|
|
envoy.SendDeltaReqACK(t, ClusterType, 4)
|
|
|
|
// And we re-send the endpoints for the updated cluster after getting the
|
|
// ACK for the cluster.
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: EndpointType,
|
|
Nonce: hexString(5),
|
|
Resources: makeTestResources(t,
|
|
makeTestEndpoints(t, snap, "tcp:db"),
|
|
// SAME makeTestEndpoints(t, snap, "tcp:geo-cache"),
|
|
),
|
|
})
|
|
envoy.SendDeltaReqACK(t, EndpointType, 5)
|
|
|
|
// And no other response yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
})
|
|
|
|
envoy.Close()
|
|
select {
|
|
case err := <-errCh:
|
|
require.NoError(t, err)
|
|
case <-time.After(50 * time.Millisecond):
|
|
t.Fatalf("timed out waiting for handler to finish")
|
|
}
|
|
}
|
|
|
|
func TestServer_DeltaAggregatedResources_v3_BasicProtocol_HTTP2_RDS_listenerChangesImpactRoutes(t *testing.T) {
|
|
aclResolve := func(id string) (acl.Authorizer, error) {
|
|
// Allow all
|
|
return acl.RootAuthorizer("manage"), nil
|
|
}
|
|
scenario := newTestServerDeltaScenario(t, aclResolve, "web-sidecar-proxy", "", 0)
|
|
mgr, errCh, envoy := scenario.mgr, scenario.errCh, scenario.envoy
|
|
|
|
sid := structs.NewServiceID("web-sidecar-proxy", nil)
|
|
|
|
// Register the proxy to create state needed to Watch() on
|
|
mgr.RegisterProxy(t, sid)
|
|
|
|
var snap *proxycfg.ConfigSnapshot
|
|
|
|
runStep(t, "get into initial state", func(t *testing.T) {
|
|
// Send initial cluster discover (empty payload)
|
|
envoy.SendDeltaReq(t, ClusterType, nil)
|
|
|
|
// Check no response sent yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
|
|
// Deliver a new snapshot (tcp with one http upstream with no-op disco chain)
|
|
snap = newTestSnapshot(t, nil, "http2", &structs.ServiceConfigEntry{
|
|
Kind: structs.ServiceDefaults,
|
|
Name: "db",
|
|
Protocol: "http2",
|
|
}, &structs.ServiceRouterConfigEntry{
|
|
Kind: structs.ServiceRouter,
|
|
Name: "db",
|
|
Routes: nil,
|
|
})
|
|
mgr.DeliverConfig(t, sid, snap)
|
|
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ClusterType,
|
|
Nonce: hexString(1),
|
|
Resources: makeTestResources(t,
|
|
makeTestCluster(t, snap, "tcp:local_app"),
|
|
makeTestCluster(t, snap, "http2:db"),
|
|
makeTestCluster(t, snap, "tcp:geo-cache"),
|
|
),
|
|
})
|
|
|
|
// Envoy then tries to discover endpoints for those clusters.
|
|
envoy.SendDeltaReq(t, EndpointType, &envoy_discovery_v3.DeltaDiscoveryRequest{
|
|
ResourceNamesSubscribe: []string{
|
|
"db.default.dc1.internal.11111111-2222-3333-4444-555555555555.consul",
|
|
"geo-cache.default.dc1.query.11111111-2222-3333-4444-555555555555.consul",
|
|
},
|
|
})
|
|
|
|
// It also (in parallel) issues the cluster ACK
|
|
envoy.SendDeltaReqACK(t, ClusterType, 1)
|
|
|
|
// We should get a response immediately since the config is already present in
|
|
// the server for endpoints. Note that this should not be racy if the server
|
|
// is behaving well since the Cluster send above should be blocked until we
|
|
// deliver a new config version.
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: EndpointType,
|
|
Nonce: hexString(2),
|
|
Resources: makeTestResources(t,
|
|
makeTestEndpoints(t, snap, "http2:db"),
|
|
makeTestEndpoints(t, snap, "tcp:geo-cache"),
|
|
),
|
|
})
|
|
|
|
// And no other response yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
|
|
// Envoy now sends listener request
|
|
envoy.SendDeltaReq(t, ListenerType, nil)
|
|
|
|
// It also (in parallel) issues the endpoint ACK
|
|
envoy.SendDeltaReqACK(t, EndpointType, 2)
|
|
|
|
// And should get a response immediately.
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ListenerType,
|
|
Nonce: hexString(3),
|
|
Resources: makeTestResources(t,
|
|
makeTestListener(t, snap, "tcp:public_listener"),
|
|
makeTestListener(t, snap, "http2:db:rds"),
|
|
makeTestListener(t, snap, "tcp:geo-cache"),
|
|
),
|
|
})
|
|
|
|
// And no other response yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
|
|
// Envoy now sends routes request
|
|
envoy.SendDeltaReq(t, RouteType, &envoy_discovery_v3.DeltaDiscoveryRequest{
|
|
ResourceNamesSubscribe: []string{
|
|
"db",
|
|
},
|
|
})
|
|
|
|
// ACKs the listener
|
|
envoy.SendDeltaReqACK(t, ListenerType, 3)
|
|
|
|
// And should get a response immediately.
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: RouteType,
|
|
Nonce: hexString(4),
|
|
Resources: makeTestResources(t,
|
|
makeTestRoute(t, "http2:db"),
|
|
),
|
|
})
|
|
|
|
envoy.SendDeltaReqACK(t, RouteType, 4)
|
|
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
})
|
|
|
|
runStep(t, "trigger listener update needing implicit route replacements", func(t *testing.T) {
|
|
// Update the snapshot in a way that causes a single listener update.
|
|
//
|
|
// Downgrade from http2 to http
|
|
snap = newTestSnapshot(t, snap, "http", &structs.ServiceConfigEntry{
|
|
Kind: structs.ServiceDefaults,
|
|
Name: "db",
|
|
Protocol: "http",
|
|
}, &structs.ServiceRouterConfigEntry{
|
|
Kind: structs.ServiceRouter,
|
|
Name: "db",
|
|
Routes: nil,
|
|
})
|
|
mgr.DeliverConfig(t, sid, snap)
|
|
|
|
// db cluster is refreshed (unrelated to the test scenario other than it's required)
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ClusterType,
|
|
Nonce: hexString(5),
|
|
Resources: makeTestResources(t,
|
|
makeTestCluster(t, snap, "http:db"),
|
|
),
|
|
})
|
|
|
|
// the listener is updated
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ListenerType,
|
|
Nonce: hexString(6),
|
|
Resources: makeTestResources(t,
|
|
makeTestListener(t, snap, "http:db:rds"),
|
|
),
|
|
})
|
|
|
|
envoy.SendDeltaReqACK(t, ClusterType, 5)
|
|
|
|
// ACKs the listener
|
|
envoy.SendDeltaReqACK(t, ListenerType, 6)
|
|
|
|
// The behaviors of Cluster updates triggering re-sends of Endpoint updates
|
|
// tested in TestServer_DeltaAggregatedResources_v3_BasicProtocol_TCP_clusterChangesImpactEndpoints
|
|
// triggers here. It is not explicitly under test, but we have to get past
|
|
// this exchange to get to the part we care about.
|
|
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: EndpointType,
|
|
Nonce: hexString(7),
|
|
Resources: makeTestResources(t,
|
|
makeTestEndpoints(t, snap, "http:db"),
|
|
),
|
|
})
|
|
|
|
envoy.SendDeltaReqACK(t, EndpointType, 7)
|
|
|
|
// THE ACTUAL THING WE CARE ABOUT: replaced route config
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: RouteType,
|
|
Nonce: hexString(8),
|
|
Resources: makeTestResources(t,
|
|
makeTestRoute(t, "http2:db"),
|
|
),
|
|
})
|
|
|
|
envoy.SendDeltaReqACK(t, RouteType, 8)
|
|
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
})
|
|
|
|
envoy.Close()
|
|
select {
|
|
case err := <-errCh:
|
|
require.NoError(t, err)
|
|
case <-time.After(50 * time.Millisecond):
|
|
t.Fatalf("timed out waiting for handler to finish")
|
|
}
|
|
}
|
|
|
|
func TestServer_DeltaAggregatedResources_v3_ACLEnforcement(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
defaultDeny bool
|
|
acl string
|
|
token string
|
|
wantDenied bool
|
|
cfgSnap *proxycfg.ConfigSnapshot
|
|
}{
|
|
// Note that although we've stubbed actual ACL checks in the testManager
|
|
// ConnectAuthorize mock, by asserting against specific reason strings here
|
|
// even in the happy case which can't match the default one returned by the
|
|
// mock we are implicitly validating that the implementation used the
|
|
// correct token from the context.
|
|
{
|
|
name: "no ACLs configured",
|
|
defaultDeny: false,
|
|
wantDenied: false,
|
|
},
|
|
{
|
|
name: "default deny, no token",
|
|
defaultDeny: true,
|
|
wantDenied: true,
|
|
},
|
|
{
|
|
name: "default deny, write token",
|
|
defaultDeny: true,
|
|
acl: `service "web" { policy = "write" }`,
|
|
token: "service-write-on-web",
|
|
wantDenied: false,
|
|
},
|
|
{
|
|
name: "default deny, read token",
|
|
defaultDeny: true,
|
|
acl: `service "web" { policy = "read" }`,
|
|
token: "service-write-on-web",
|
|
wantDenied: true,
|
|
},
|
|
{
|
|
name: "default deny, write token on different service",
|
|
defaultDeny: true,
|
|
acl: `service "not-web" { policy = "write" }`,
|
|
token: "service-write-on-not-web",
|
|
wantDenied: true,
|
|
},
|
|
{
|
|
name: "ingress default deny, write token on different service",
|
|
defaultDeny: true,
|
|
acl: `service "not-ingress" { policy = "write" }`,
|
|
token: "service-write-on-not-ingress",
|
|
wantDenied: true,
|
|
cfgSnap: proxycfg.TestConfigSnapshotIngressGateway(t),
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
aclResolve := func(id string) (acl.Authorizer, error) {
|
|
if !tt.defaultDeny {
|
|
// Allow all
|
|
return acl.RootAuthorizer("allow"), nil
|
|
}
|
|
if tt.acl == "" {
|
|
// No token and defaultDeny is denied
|
|
return acl.RootAuthorizer("deny"), nil
|
|
}
|
|
// Ensure the correct token was passed
|
|
require.Equal(t, tt.token, id)
|
|
// Parse the ACL and enforce it
|
|
policy, err := acl.NewPolicyFromSource("", 0, tt.acl, acl.SyntaxLegacy, nil, nil)
|
|
require.NoError(t, err)
|
|
return acl.NewPolicyAuthorizerWithDefaults(acl.RootAuthorizer("deny"), []*acl.Policy{policy}, nil)
|
|
}
|
|
|
|
scenario := newTestServerDeltaScenario(t, aclResolve, "web-sidecar-proxy", tt.token, 0)
|
|
mgr, errCh, envoy := scenario.mgr, scenario.errCh, scenario.envoy
|
|
|
|
sid := structs.NewServiceID("web-sidecar-proxy", nil)
|
|
// Register the proxy to create state needed to Watch() on
|
|
mgr.RegisterProxy(t, sid)
|
|
|
|
// Deliver a new snapshot
|
|
snap := tt.cfgSnap
|
|
if snap == nil {
|
|
snap = newTestSnapshot(t, nil, "")
|
|
}
|
|
mgr.DeliverConfig(t, sid, snap)
|
|
|
|
// Send initial listener discover, in real life Envoy always sends cluster
|
|
// first but it doesn't really matter and listener has a response that
|
|
// includes the token in the ext rbac filter so lets us test more stuff.
|
|
envoy.SendDeltaReq(t, ListenerType, nil)
|
|
|
|
if !tt.wantDenied {
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ListenerType,
|
|
Nonce: hexString(1),
|
|
Resources: makeTestResources(t,
|
|
makeTestListener(t, snap, "tcp:public_listener"),
|
|
makeTestListener(t, snap, "tcp:db"),
|
|
makeTestListener(t, snap, "tcp:geo-cache"),
|
|
),
|
|
})
|
|
// Close the client stream since all is well. We _don't_ do this in the
|
|
// expected error case because we want to verify the error closes the
|
|
// stream from server side.
|
|
envoy.Close()
|
|
}
|
|
|
|
select {
|
|
case err := <-errCh:
|
|
if tt.wantDenied {
|
|
require.Error(t, err)
|
|
require.Contains(t, err.Error(), "permission denied")
|
|
mgr.AssertWatchCancelled(t, sid)
|
|
} else {
|
|
require.NoError(t, err)
|
|
}
|
|
case <-time.After(50 * time.Millisecond):
|
|
t.Fatalf("timed out waiting for handler to finish")
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestServer_DeltaAggregatedResources_v3_ACLTokenDeleted_StreamTerminatedDuringDiscoveryRequest(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
aclRules := `service "web" { policy = "write" }`
|
|
token := "service-write-on-web"
|
|
|
|
policy, err := acl.NewPolicyFromSource("", 0, aclRules, acl.SyntaxLegacy, nil, nil)
|
|
require.NoError(t, err)
|
|
|
|
var validToken atomic.Value
|
|
validToken.Store(token)
|
|
|
|
aclResolve := func(id string) (acl.Authorizer, error) {
|
|
if token := validToken.Load(); token == nil || id != token.(string) {
|
|
return nil, acl.ErrNotFound
|
|
}
|
|
|
|
return acl.NewPolicyAuthorizerWithDefaults(acl.RootAuthorizer("deny"), []*acl.Policy{policy}, nil)
|
|
}
|
|
scenario := newTestServerDeltaScenario(t, aclResolve, "web-sidecar-proxy", token,
|
|
100*time.Millisecond, // Make this short.
|
|
)
|
|
mgr, errCh, envoy := scenario.mgr, scenario.errCh, scenario.envoy
|
|
|
|
getError := func() (gotErr error, ok bool) {
|
|
select {
|
|
case err := <-errCh:
|
|
return err, true
|
|
default:
|
|
return nil, false
|
|
}
|
|
}
|
|
|
|
sid := structs.NewServiceID("web-sidecar-proxy", nil)
|
|
// Register the proxy to create state needed to Watch() on
|
|
mgr.RegisterProxy(t, sid)
|
|
|
|
// Send initial cluster discover (OK)
|
|
envoy.SendDeltaReq(t, ClusterType, nil)
|
|
{
|
|
err, ok := getError()
|
|
require.NoError(t, err)
|
|
require.False(t, ok)
|
|
}
|
|
|
|
// Check no response sent yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
{
|
|
err, ok := getError()
|
|
require.NoError(t, err)
|
|
require.False(t, ok)
|
|
}
|
|
|
|
// Deliver a new snapshot
|
|
snap := newTestSnapshot(t, nil, "")
|
|
mgr.DeliverConfig(t, sid, snap)
|
|
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ClusterType,
|
|
Nonce: hexString(1),
|
|
Resources: makeTestResources(t,
|
|
makeTestCluster(t, snap, "tcp:local_app"),
|
|
makeTestCluster(t, snap, "tcp:db"),
|
|
makeTestCluster(t, snap, "tcp:geo-cache"),
|
|
),
|
|
})
|
|
|
|
// It also (in parallel) issues the next cluster request (which acts as an ACK
|
|
// of the version we sent)
|
|
envoy.SendDeltaReq(t, ClusterType, nil)
|
|
|
|
// Check no response sent yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
{
|
|
err, ok := getError()
|
|
require.NoError(t, err)
|
|
require.False(t, ok)
|
|
}
|
|
|
|
// Now nuke the ACL token while there's no activity.
|
|
validToken.Store("")
|
|
|
|
select {
|
|
case err := <-errCh:
|
|
require.Error(t, err)
|
|
gerr, ok := status.FromError(err)
|
|
require.Truef(t, ok, "not a grpc status error: type='%T' value=%v", err, err)
|
|
require.Equal(t, codes.Unauthenticated, gerr.Code())
|
|
require.Equal(t, "unauthenticated: ACL not found", gerr.Message())
|
|
|
|
mgr.AssertWatchCancelled(t, sid)
|
|
case <-time.After(200 * time.Millisecond):
|
|
t.Fatalf("timed out waiting for handler to finish")
|
|
}
|
|
}
|
|
|
|
func TestServer_DeltaAggregatedResources_v3_ACLTokenDeleted_StreamTerminatedInBackground(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
aclRules := `service "web" { policy = "write" }`
|
|
token := "service-write-on-web"
|
|
|
|
policy, err := acl.NewPolicyFromSource("", 0, aclRules, acl.SyntaxLegacy, nil, nil)
|
|
require.NoError(t, err)
|
|
|
|
var validToken atomic.Value
|
|
validToken.Store(token)
|
|
|
|
aclResolve := func(id string) (acl.Authorizer, error) {
|
|
if token := validToken.Load(); token == nil || id != token.(string) {
|
|
return nil, acl.ErrNotFound
|
|
}
|
|
|
|
return acl.NewPolicyAuthorizerWithDefaults(acl.RootAuthorizer("deny"), []*acl.Policy{policy}, nil)
|
|
}
|
|
scenario := newTestServerDeltaScenario(t, aclResolve, "web-sidecar-proxy", token,
|
|
100*time.Millisecond, // Make this short.
|
|
)
|
|
mgr, errCh, envoy := scenario.mgr, scenario.errCh, scenario.envoy
|
|
|
|
getError := func() (gotErr error, ok bool) {
|
|
select {
|
|
case err := <-errCh:
|
|
return err, true
|
|
default:
|
|
return nil, false
|
|
}
|
|
}
|
|
|
|
sid := structs.NewServiceID("web-sidecar-proxy", nil)
|
|
// Register the proxy to create state needed to Watch() on
|
|
mgr.RegisterProxy(t, sid)
|
|
|
|
// Send initial cluster discover (OK)
|
|
envoy.SendDeltaReq(t, ClusterType, nil)
|
|
{
|
|
err, ok := getError()
|
|
require.NoError(t, err)
|
|
require.False(t, ok)
|
|
}
|
|
|
|
// Check no response sent yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
{
|
|
err, ok := getError()
|
|
require.NoError(t, err)
|
|
require.False(t, ok)
|
|
}
|
|
|
|
// Deliver a new snapshot
|
|
snap := newTestSnapshot(t, nil, "")
|
|
mgr.DeliverConfig(t, sid, snap)
|
|
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ClusterType,
|
|
Nonce: hexString(1),
|
|
Resources: makeTestResources(t,
|
|
makeTestCluster(t, snap, "tcp:local_app"),
|
|
makeTestCluster(t, snap, "tcp:db"),
|
|
makeTestCluster(t, snap, "tcp:geo-cache"),
|
|
),
|
|
})
|
|
|
|
// It also (in parallel) issues the next cluster request (which acts as an ACK
|
|
// of the version we sent)
|
|
envoy.SendDeltaReq(t, ClusterType, nil)
|
|
|
|
// Check no response sent yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
{
|
|
err, ok := getError()
|
|
require.NoError(t, err)
|
|
require.False(t, ok)
|
|
}
|
|
|
|
// Now nuke the ACL token while there's no activity.
|
|
validToken.Store("")
|
|
|
|
select {
|
|
case err := <-errCh:
|
|
require.Error(t, err)
|
|
gerr, ok := status.FromError(err)
|
|
require.Truef(t, ok, "not a grpc status error: type='%T' value=%v", err, err)
|
|
require.Equal(t, codes.Unauthenticated, gerr.Code())
|
|
require.Equal(t, "unauthenticated: ACL not found", gerr.Message())
|
|
|
|
mgr.AssertWatchCancelled(t, sid)
|
|
case <-time.After(200 * time.Millisecond):
|
|
t.Fatalf("timed out waiting for handler to finish")
|
|
}
|
|
}
|
|
|
|
func TestServer_DeltaAggregatedResources_v3_IngressEmptyResponse(t *testing.T) {
|
|
aclResolve := func(id string) (acl.Authorizer, error) {
|
|
// Allow all
|
|
return acl.RootAuthorizer("manage"), nil
|
|
}
|
|
scenario := newTestServerDeltaScenario(t, aclResolve, "ingress-gateway", "", 0)
|
|
mgr, errCh, envoy := scenario.mgr, scenario.errCh, scenario.envoy
|
|
|
|
sid := structs.NewServiceID("ingress-gateway", nil)
|
|
|
|
// Register the proxy to create state needed to Watch() on
|
|
mgr.RegisterProxy(t, sid)
|
|
|
|
// Send initial cluster discover
|
|
envoy.SendDeltaReq(t, ClusterType, nil)
|
|
|
|
// Check no response sent yet
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
|
|
// Deliver a new snapshot with no services
|
|
snap := proxycfg.TestConfigSnapshotIngressGatewayNoServices(t)
|
|
mgr.DeliverConfig(t, sid, snap)
|
|
|
|
// REQ: clusters
|
|
envoy.SendDeltaReq(t, ClusterType, nil)
|
|
|
|
// RESP: clustesr
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ClusterType,
|
|
Nonce: hexString(1),
|
|
})
|
|
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
|
|
// ACK: clusters
|
|
envoy.SendDeltaReqACK(t, ClusterType, 1)
|
|
|
|
// REQ: listeners
|
|
envoy.SendDeltaReq(t, ListenerType, nil)
|
|
|
|
// RESP: listeners
|
|
assertDeltaResponseSent(t, envoy.deltaStream.sendCh, &envoy_discovery_v3.DeltaDiscoveryResponse{
|
|
TypeUrl: ListenerType,
|
|
Nonce: hexString(2),
|
|
})
|
|
|
|
assertDeltaChanBlocked(t, envoy.deltaStream.sendCh)
|
|
|
|
envoy.Close()
|
|
select {
|
|
case err := <-errCh:
|
|
require.NoError(t, err)
|
|
case <-time.After(50 * time.Millisecond):
|
|
t.Fatalf("timed out waiting for handler to finish")
|
|
}
|
|
}
|
|
|
|
func assertDeltaChanBlocked(t *testing.T, ch chan *envoy_discovery_v3.DeltaDiscoveryResponse) {
|
|
t.Helper()
|
|
select {
|
|
case r := <-ch:
|
|
t.Fatalf("chan should block but received: %v", r)
|
|
case <-time.After(10 * time.Millisecond):
|
|
return
|
|
}
|
|
}
|
|
|
|
func assertDeltaResponseSent(t *testing.T, ch chan *envoy_discovery_v3.DeltaDiscoveryResponse, want *envoy_discovery_v3.DeltaDiscoveryResponse) {
|
|
t.Helper()
|
|
select {
|
|
case got := <-ch:
|
|
assertDeltaResponse(t, got, want)
|
|
case <-time.After(50 * time.Millisecond):
|
|
t.Fatalf("no response received after 50ms")
|
|
}
|
|
}
|
|
|
|
// assertDeltaResponse is a helper to test a envoy.DeltaDiscoveryResponse matches the
|
|
// expected value. We use JSON during comparison here because the responses use protobuf
|
|
// Any type which includes binary protobuf encoding.
|
|
func assertDeltaResponse(t *testing.T, got, want *envoy_discovery_v3.DeltaDiscoveryResponse) {
|
|
t.Helper()
|
|
|
|
gotJSON := protoToSortedJSON(t, got)
|
|
wantJSON := protoToSortedJSON(t, want)
|
|
require.JSONEqf(t, wantJSON, gotJSON, "got:\n%s", gotJSON)
|
|
}
|
|
|
|
func mustMakeVersionMap(t *testing.T, resources ...proto.Message) map[string]string {
|
|
m := make(map[string]string)
|
|
for _, res := range resources {
|
|
name := getResourceName(res)
|
|
m[name] = mustHashResource(t, res)
|
|
}
|
|
return m
|
|
}
|