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Add proxycfg state management for terminating-gateways

This commit is contained in:
freddygv 2020-04-10 12:06:08 -06:00
parent 243c015c52
commit c80f89b92f
5 changed files with 523 additions and 55 deletions
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1
agent/proxycfg/manager.go
View File

@ -134,6 +134,7 @@ func (m *Manager) syncState() {
services := m.State.Services(structs.WildcardEnterpriseMeta())
for sid, svc := range services {
if svc.Kind != structs.ServiceKindConnectProxy &&
svc.Kind != structs.ServiceKindTerminatingGateway &&
svc.Kind != structs.ServiceKindMeshGateway &&
svc.Kind != structs.ServiceKindIngressGateway {
continue

51
agent/proxycfg/snapshot.go
View File

@ -57,11 +57,51 @@ func (c *configSnapshotConnectProxy) IsEmpty() bool {
len(c.PreparedQueryEndpoints) == 0
}
type configSnapshotTerminatingGateway struct {
// WatchedServices is a map of service id to a cancel function. This cancel
// function is tied to the watch of linked service instances for the given
// id. If the linked services watch would indicate the removal of
// a service altogether we then cancel watching that service for its endpoints.
WatchedServices map[structs.ServiceID]context.CancelFunc
// WatchedIntentions is a map of service id to a cancel function.
// This cancel function is tied to the watch of intentions for linked services.
// As with WatchedServices, intention watches will be cancelled when services
// are no longer linked to the gateway.
WatchedIntentions map[structs.ServiceID]context.CancelFunc
// WatchedLeaves is a map of ServiceID to a cancel function.
// This cancel function is tied to the watch of leaf certs for linked services.
// As with WatchedServices, leaf watches will be cancelled when services
// are no longer linked to the gateway.
WatchedLeaves map[structs.ServiceID]context.CancelFunc
// ServiceLeaves is a map of ServiceID to a leaf cert.
// Terminating gateways will present different certificates depending
// on the service that the caller is trying to reach.
ServiceLeaves map[structs.ServiceID]*structs.IssuedCert
// ServiceGroups is a map of service id to the service instances of that
// service in the local datacenter.
ServiceGroups map[structs.ServiceID]structs.CheckServiceNodes
}
func (c *configSnapshotTerminatingGateway) IsEmpty() bool {
if c == nil {
return true
}
return len(c.ServiceLeaves) == 0 &&
len(c.WatchedLeaves) == 0 &&
len(c.WatchedIntentions) == 0 &&
len(c.ServiceGroups) == 0 &&
len(c.WatchedServices) == 0
}
type configSnapshotMeshGateway struct {
// WatchedServices is a map of service id to a cancel function. This cancel
// function is tied to the watch of connect enabled services for the given
// id. If the main datacenter services watch would indicate the removal of
// a service all together we then cancel watching that service for its
// a service altogether we then cancel watching that service for its
// connect endpoints.
WatchedServices map[structs.ServiceID]context.CancelFunc
@ -177,6 +217,9 @@ type ConfigSnapshot struct {
// connect-proxy specific
ConnectProxy configSnapshotConnectProxy
// terminating-gateway specific
TerminatingGateway configSnapshotTerminatingGateway
// mesh-gateway specific
MeshGateway configSnapshotMeshGateway
@ -191,6 +234,8 @@ func (s *ConfigSnapshot) Valid() bool {
switch s.Kind {
case structs.ServiceKindConnectProxy:
return s.Roots != nil && s.ConnectProxy.Leaf != nil
case structs.ServiceKindTerminatingGateway:
return s.Roots != nil
case structs.ServiceKindMeshGateway:
if s.ServiceMeta[structs.MetaWANFederationKey] == "1" {
if len(s.MeshGateway.ConsulServers) == 0 {
@ -221,6 +266,10 @@ func (s *ConfigSnapshot) Clone() (*ConfigSnapshot, error) {
case structs.ServiceKindConnectProxy:
snap.ConnectProxy.WatchedUpstreams = nil
snap.ConnectProxy.WatchedGateways = nil
case structs.ServiceKindTerminatingGateway:
snap.TerminatingGateway.WatchedServices = nil
snap.TerminatingGateway.WatchedIntentions = nil
snap.TerminatingGateway.WatchedLeaves = nil
case structs.ServiceKindMeshGateway:
snap.MeshGateway.WatchedDatacenters = nil
snap.MeshGateway.WatchedServices = nil

221
agent/proxycfg/state.go
View File

@ -109,10 +109,11 @@ func copyProxyConfig(ns *structs.NodeService) (structs.ConnectProxyConfig, error
func newState(ns *structs.NodeService, token string) (*state, error) {
switch ns.Kind {
case structs.ServiceKindConnectProxy:
case structs.ServiceKindTerminatingGateway:
case structs.ServiceKindMeshGateway:
case structs.ServiceKindIngressGateway:
default:
return nil, errors.New("not a connect-proxy, mesh-gateway, or ingress-gateway")
return nil, errors.New("not a connect-proxy, terminating-gateway, mesh-gateway, or ingress-gateway")
}
proxyCfg, err := copyProxyConfig(ns)
@ -184,6 +185,8 @@ func (s *state) initWatches() error {
switch s.kind {
case structs.ServiceKindConnectProxy:
return s.initWatchesConnectProxy()
case structs.ServiceKindTerminatingGateway:
return s.initWatchesTerminatingGateway()
case structs.ServiceKindMeshGateway:
return s.initWatchesMeshGateway()
case structs.ServiceKindIngressGateway:
@ -359,6 +362,37 @@ func parseReducedUpstreamConfig(m map[string]interface{}) (reducedUpstreamConfig
return cfg, err
}
// initWatchesTerminatingGateway sets up the initial watches needed based on the terminating-gateway registration
func (s *state) initWatchesTerminatingGateway() error {
// Watch for root changes
err := s.cache.Notify(s.ctx, cachetype.ConnectCARootName, &structs.DCSpecificRequest{
Datacenter: s.source.Datacenter,
QueryOptions: structs.QueryOptions{Token: s.token},
Source: *s.source,
}, rootsWatchID, s.ch)
if err != nil {
s.logger.Named(logging.TerminatingGateway).
Error("failed to register watch for root changes", "error", err)
return err
}
// Watch for the terminating-gateway's linked services
err = s.cache.Notify(s.ctx, cachetype.GatewayServicesName, &structs.ServiceSpecificRequest{
Datacenter: s.source.Datacenter,
QueryOptions: structs.QueryOptions{Token: s.token},
ServiceName: s.service,
ServiceKind: structs.ServiceKindTerminatingGateway,
EnterpriseMeta: s.proxyID.EnterpriseMeta,
}, gatewayServicesWatchID, s.ch)
if err != nil {
s.logger.Named(logging.TerminatingGateway).
Error("failed to register watch for linked services", "error", err)
return err
}
return nil
}
// initWatchesMeshGateway sets up the watches needed based on the current mesh gateway registration
func (s *state) initWatchesMeshGateway() error {
// Watch for root changes
@ -498,7 +532,12 @@ func (s *state) initialConfigSnapshot() ConfigSnapshot {
snap.ConnectProxy.WatchedGatewayEndpoints = make(map[string]map[string]structs.CheckServiceNodes)
snap.ConnectProxy.WatchedServiceChecks = make(map[structs.ServiceID][]structs.CheckType)
snap.ConnectProxy.PreparedQueryEndpoints = make(map[string]structs.CheckServiceNodes)
case structs.ServiceKindTerminatingGateway:
snap.TerminatingGateway.WatchedServices = make(map[structs.ServiceID]context.CancelFunc)
snap.TerminatingGateway.WatchedLeaves = make(map[structs.ServiceID]context.CancelFunc)
snap.TerminatingGateway.WatchedIntentions = make(map[structs.ServiceID]context.CancelFunc)
snap.TerminatingGateway.ServiceLeaves = make(map[structs.ServiceID]*structs.IssuedCert)
snap.TerminatingGateway.ServiceGroups = make(map[structs.ServiceID]structs.CheckServiceNodes)
case structs.ServiceKindMeshGateway:
snap.MeshGateway.WatchedServices = make(map[structs.ServiceID]context.CancelFunc)
snap.MeshGateway.WatchedDatacenters = make(map[string]context.CancelFunc)
@ -611,6 +650,8 @@ func (s *state) handleUpdate(u cache.UpdateEvent, snap *ConfigSnapshot) error {
switch s.kind {
case structs.ServiceKindConnectProxy:
return s.handleUpdateConnectProxy(u, snap)
case structs.ServiceKindTerminatingGateway:
return s.handleUpdateTerminatingGateway(u, snap)
case structs.ServiceKindMeshGateway:
return s.handleUpdateMeshGateway(u, snap)
case structs.ServiceKindIngressGateway:
@ -633,7 +674,7 @@ func (s *state) handleUpdateConnectProxy(u cache.UpdateEvent, snap *ConfigSnapsh
}
snap.Roots = roots
case u.CorrelationID == intentionsWatchID:
// Not in snapshot currently, no op
// no-op: Intentions don't get stored in the snapshot, calls to ConnectAuthorize will fetch them from the cache
case strings.HasPrefix(u.CorrelationID, "upstream:"+preparedQueryIDPrefix):
resp, ok := u.Result.(*structs.PreparedQueryExecuteResponse)
@ -842,6 +883,178 @@ func (s *state) resetWatchesFromChain(
return nil
}
func (s *state) handleUpdateTerminatingGateway(u cache.UpdateEvent, snap *ConfigSnapshot) error {
if u.Err != nil {
return fmt.Errorf("error filling agent cache: %v", u.Err)
}
logger := s.logger.Named(logging.TerminatingGateway)
switch u.CorrelationID {
case rootsWatchID:
roots, ok := u.Result.(*structs.IndexedCARoots)
if !ok {
return fmt.Errorf("invalid type for response: %T", u.Result)
}
snap.Roots = roots
// Update watches based on the current list of services associated with the terminating-gateway
case gatewayServicesWatchID:
services, ok := u.Result.(*structs.IndexedGatewayServices)
if !ok {
return fmt.Errorf("invalid type for response: %T", u.Result)
}
svcMap := make(map[structs.ServiceID]struct{})
for _, svc := range services.Services {
// Make sure to add every service to this map, we use it to cancel watches below.
svcMap[svc.Service] = struct{}{}
// Watch the health endpoint to discover endpoints for the service
if _, ok := snap.TerminatingGateway.WatchedServices[svc.Service]; !ok {
ctx, cancel := context.WithCancel(s.ctx)
err := s.cache.Notify(ctx, cachetype.HealthServicesName, &structs.ServiceSpecificRequest{
Datacenter: s.source.Datacenter,
QueryOptions: structs.QueryOptions{Token: s.token},
ServiceName: svc.Service.ID,
EnterpriseMeta: svc.Service.EnterpriseMeta,
// The gateway acts as the service's proxy, so we do NOT want to discover other proxies
Connect: false,
}, fmt.Sprintf("external-service:%s", svc.Service.String()), s.ch)
if err != nil {
logger.Error("failed to register watch for external-service",
"service", svc.Service.String(),
"error", err,
)
cancel()
return err
}
snap.TerminatingGateway.WatchedServices[svc.Service] = cancel
}
// Watch intentions with this service as their destination
// The gateway will enforce intentions for connections to the service
if _, ok := snap.TerminatingGateway.WatchedIntentions[svc.Service]; !ok {
ctx, cancel := context.WithCancel(s.ctx)
err := s.cache.Notify(ctx, cachetype.IntentionMatchName, &structs.IntentionQueryRequest{
Datacenter: s.source.Datacenter,
QueryOptions: structs.QueryOptions{Token: s.token},
Match: &structs.IntentionQueryMatch{
Type: structs.IntentionMatchDestination,
Entries: []structs.IntentionMatchEntry{
{
Namespace: svc.Service.NamespaceOrDefault(),
Name: svc.Service.ID,
},
},
},
}, fmt.Sprintf("service-intentions:%s", svc.Service.String()), s.ch)
if err != nil {
logger.Error("failed to register watch for service-intentions",
"service", svc.Service.String(),
"error", err,
)
cancel()
return err
}
snap.TerminatingGateway.WatchedIntentions[svc.Service] = cancel
}
// Watch leaf certificate for the service
// This cert is used to terminate mTLS connections on the service's behalf
if _, ok := snap.TerminatingGateway.WatchedLeaves[svc.Service]; !ok {
ctx, cancel := context.WithCancel(s.ctx)
err := s.cache.Notify(ctx, cachetype.ConnectCALeafName, &cachetype.ConnectCALeafRequest{
Datacenter: s.source.Datacenter,
Token: s.token,
Service: svc.Service.ID,
EnterpriseMeta: svc.Service.EnterpriseMeta,
}, fmt.Sprintf("service-leaf:%s", svc.Service.String()), s.ch)
if err != nil {
logger.Error("failed to register watch for a service-leaf",
"service", svc.Service.String(),
"error", err,
)
cancel()
return err
}
snap.TerminatingGateway.WatchedLeaves[svc.Service] = cancel
}
}
// Cancel service instance watches for services that were not in the update
for sid, cancelFn := range snap.TerminatingGateway.WatchedServices {
if _, ok := svcMap[sid]; !ok {
logger.Debug("canceling watch for service", "service", sid.String())
delete(snap.TerminatingGateway.WatchedServices, sid)
delete(snap.TerminatingGateway.ServiceGroups, sid)
cancelFn()
}
}
// Cancel leaf cert watches for services that were not in the update
for sid, cancelFn := range snap.TerminatingGateway.WatchedLeaves {
if _, ok := svcMap[sid]; !ok {
logger.Debug("canceling watch for leaf cert", "service", sid.String())
delete(snap.TerminatingGateway.WatchedLeaves, sid)
delete(snap.TerminatingGateway.ServiceLeaves, sid)
cancelFn()
}
}
// Cancel intention watches for services that were not in the update
for sid, cancelFn := range snap.TerminatingGateway.WatchedIntentions {
if _, ok := svcMap[sid]; !ok {
logger.Debug("canceling watch for intention", "service", sid.String())
delete(snap.TerminatingGateway.WatchedIntentions, sid)
// No additional deletions needed, since intentions aren't stored in snapshot
cancelFn()
}
}
default:
switch {
// Store service instances for watched service
case strings.HasPrefix(u.CorrelationID, "external-service:"):
resp, ok := u.Result.(*structs.IndexedCheckServiceNodes)
if !ok {
return fmt.Errorf("invalid type for response: %T", u.Result)
}
sid := structs.ServiceIDFromString(strings.TrimPrefix(u.CorrelationID, "external-service:"))
if len(resp.Nodes) > 0 {
snap.TerminatingGateway.ServiceGroups[sid] = resp.Nodes
} else if _, ok := snap.TerminatingGateway.ServiceGroups[sid]; ok {
delete(snap.TerminatingGateway.ServiceGroups, sid)
}
// Store leaf cert for watched service
case strings.HasPrefix(u.CorrelationID, "service-leaf:"):
leaf, ok := u.Result.(*structs.IssuedCert)
if !ok {
return fmt.Errorf("invalid type for response: %T", u.Result)
}
sid := structs.ServiceIDFromString(strings.TrimPrefix(u.CorrelationID, "service-leaf:"))
snap.TerminatingGateway.ServiceLeaves[sid] = leaf
case strings.HasPrefix(u.CorrelationID, "service-intentions:"):
// no-op: Intentions don't get stored in the snapshot, calls to ConnectAuthorize will fetch them from the cache
default:
// do nothing
}
}
return nil
}
func (s *state) handleUpdateMeshGateway(u cache.UpdateEvent, snap *ConfigSnapshot) error {
if u.Err != nil {
return fmt.Errorf("error filling agent cache: %v", u.Err)
@ -900,6 +1113,8 @@ func (s *state) handleUpdateMeshGateway(u cache.UpdateEvent, snap *ConfigSnapsho
for sid, cancelFn := range snap.MeshGateway.WatchedServices {
if _, ok := svcMap[sid]; !ok {
meshLogger.Debug("canceling watch for service", "service", sid.String())
// TODO (gateways) Should the sid also be deleted from snap.MeshGateway.ServiceGroups?
// Do those endpoints get cleaned up some other way?
delete(snap.MeshGateway.WatchedServices, sid)
cancelFn()
}

208
agent/proxycfg/state_test.go
View File

@ -597,7 +597,7 @@ func TestState_WatchesAndUpdates(t *testing.T) {
},
},
verifySnapshot: func(t testing.TB, snap *ConfigSnapshot) {
require.True(t, snap.Valid(), "gateway with empty service list is vaild")
require.True(t, snap.Valid(), "gateway with empty service list is valid")
require.True(t, snap.ConnectProxy.IsEmpty())
require.Equal(t, indexedRoots, snap.Roots)
require.Empty(t, snap.MeshGateway.WatchedServices)
@ -639,7 +639,7 @@ func TestState_WatchesAndUpdates(t *testing.T) {
},
},
verifySnapshot: func(t testing.TB, snap *ConfigSnapshot) {
require.True(t, snap.Valid(), "gateway with service list is vaild")
require.True(t, snap.Valid(), "gateway with service list is valid")
require.Len(t, snap.MeshGateway.WatchedServices, 1)
require.True(t, snap.MeshGateway.WatchedServicesSet)
},
@ -658,7 +658,7 @@ func TestState_WatchesAndUpdates(t *testing.T) {
},
},
verifySnapshot: func(t testing.TB, snap *ConfigSnapshot) {
require.True(t, snap.Valid(), "gateway with service list is vaild")
require.True(t, snap.Valid(), "gateway with service list is valid")
require.Len(t, snap.MeshGateway.WatchedServices, 2)
require.True(t, snap.MeshGateway.WatchedServicesSet)
},
@ -798,6 +798,208 @@ func TestState_WatchesAndUpdates(t *testing.T) {
},
},
},
"terminating-gateway-initial": testCase{
ns: structs.NodeService{
Kind: structs.ServiceKindTerminatingGateway,
ID: "terminating-gateway",
Service: "terminating-gateway",
Address: "10.0.1.1",
},
sourceDC: "dc1",
stages: []verificationStage{
verificationStage{
requiredWatches: map[string]verifyWatchRequest{
rootsWatchID: genVerifyRootsWatch("dc1"),
gatewayServicesWatchID: genVerifyServiceSpecificRequest(gatewayServicesWatchID,
"terminating-gateway", "", "dc1", false),
},
verifySnapshot: func(t testing.TB, snap *ConfigSnapshot) {
require.False(t, snap.Valid(), "gateway without root is not valid")
require.True(t, snap.ConnectProxy.IsEmpty())
},
},
verificationStage{
events: []cache.UpdateEvent{
rootWatchEvent(),
},
verifySnapshot: func(t testing.TB, snap *ConfigSnapshot) {
require.True(t, snap.Valid(), "gateway without services is valid")
require.True(t, snap.ConnectProxy.IsEmpty())
require.Equal(t, indexedRoots, snap.Roots)
require.Empty(t, snap.TerminatingGateway.WatchedServices)
require.Empty(t, snap.TerminatingGateway.WatchedLeaves)
require.Empty(t, snap.TerminatingGateway.ServiceGroups)
require.Empty(t, snap.TerminatingGateway.WatchedIntentions)
},
},
},
},
"terminating-gateway-handle-update": testCase{
ns: structs.NodeService{
Kind: structs.ServiceKindTerminatingGateway,
ID: "terminating-gateway",
Service: "terminating-gateway",
Address: "10.0.1.1",
},
sourceDC: "dc1",
stages: []verificationStage{
verificationStage{
requiredWatches: map[string]verifyWatchRequest{
rootsWatchID: genVerifyRootsWatch("dc1"),
gatewayServicesWatchID: genVerifyServiceSpecificRequest(gatewayServicesWatchID,
"terminating-gateway", "", "dc1", false),
},
events: []cache.UpdateEvent{
rootWatchEvent(),
cache.UpdateEvent{
CorrelationID: gatewayServicesWatchID,
Result: &structs.IndexedGatewayServices{
Services: structs.GatewayServices{
{
Service: structs.NewServiceID("db", nil),
Gateway: structs.NewServiceID("terminating-gateway", nil),
},
},
},
Err: nil,
},
},
verifySnapshot: func(t testing.TB, snap *ConfigSnapshot) {
require.True(t, snap.Valid(), "gateway with service list is valid")
require.Len(t, snap.TerminatingGateway.WatchedServices, 1)
},
},
verificationStage{
events: []cache.UpdateEvent{
cache.UpdateEvent{
CorrelationID: gatewayServicesWatchID,
Result: &structs.IndexedGatewayServices{
Services: structs.GatewayServices{
{
Service: structs.NewServiceID("db", nil),
Gateway: structs.NewServiceID("terminating-gateway", nil),
},
{
Service: structs.NewServiceID("billing", nil),
Gateway: structs.NewServiceID("terminating-gateway", nil),
},
},
},
Err: nil,
},
},
verifySnapshot: func(t testing.TB, snap *ConfigSnapshot) {
db := structs.NewServiceID("db", nil)
billing := structs.NewServiceID("billing", nil)
require.True(t, snap.Valid(), "gateway with service list is valid")
require.Len(t, snap.TerminatingGateway.WatchedServices, 2)
require.Contains(t, snap.TerminatingGateway.WatchedServices, db)
require.Contains(t, snap.TerminatingGateway.WatchedServices, billing)
require.Len(t, snap.TerminatingGateway.WatchedIntentions, 2)
require.Contains(t, snap.TerminatingGateway.WatchedIntentions, db)
require.Contains(t, snap.TerminatingGateway.WatchedIntentions, billing)
require.Len(t, snap.TerminatingGateway.WatchedLeaves, 2)
require.Contains(t, snap.TerminatingGateway.WatchedLeaves, db)
require.Contains(t, snap.TerminatingGateway.WatchedLeaves, billing)
},
},
verificationStage{
requiredWatches: map[string]verifyWatchRequest{
"external-service:db": genVerifyServiceWatch("db", "", "dc1", false),
},
events: []cache.UpdateEvent{
cache.UpdateEvent{
CorrelationID: "external-service:db",
Result: &structs.IndexedCheckServiceNodes{
Nodes: structs.CheckServiceNodes{
{
Node: &structs.Node{
Node: "node1",
Address: "127.0.0.1",
},
Service: &structs.NodeService{
ID: "db",
Service: "db",
},
},
},
},
Err: nil,
},
},
verifySnapshot: func(t testing.TB, snap *ConfigSnapshot) {
require.Len(t, snap.TerminatingGateway.ServiceGroups, 1)
require.Equal(t, snap.TerminatingGateway.ServiceGroups[structs.NewServiceID("db", nil)],
structs.CheckServiceNodes{
{
Node: &structs.Node{
Node: "node1",
Address: "127.0.0.1",
},
Service: &structs.NodeService{
ID: "db",
Service: "db",
},
},
},
)
},
},
verificationStage{
requiredWatches: map[string]verifyWatchRequest{
"service-leaf:db": genVerifyLeafWatch("db", "dc1"),
},
events: []cache.UpdateEvent{
cache.UpdateEvent{
CorrelationID: "service-leaf:db",
Result: issuedCert,
Err: nil,
},
},
verifySnapshot: func(t testing.TB, snap *ConfigSnapshot) {
require.Equal(t, snap.TerminatingGateway.ServiceLeaves[structs.NewServiceID("db", nil)], issuedCert)
},
},
verificationStage{
events: []cache.UpdateEvent{
cache.UpdateEvent{
CorrelationID: gatewayServicesWatchID,
Result: &structs.IndexedGatewayServices{
Services: structs.GatewayServices{
{
Service: structs.NewServiceID("billing", nil),
Gateway: structs.NewServiceID("terminating-gateway", nil),
},
},
},
Err: nil,
},
},
verifySnapshot: func(t testing.TB, snap *ConfigSnapshot) {
billing := structs.NewServiceID("billing", nil)
require.True(t, snap.Valid(), "gateway with service list is valid")
// All three watches should have been cancelled for db
require.Len(t, snap.TerminatingGateway.WatchedServices, 1)
require.Contains(t, snap.TerminatingGateway.WatchedServices, billing)
require.Len(t, snap.TerminatingGateway.WatchedIntentions, 1)
require.Contains(t, snap.TerminatingGateway.WatchedIntentions, billing)
require.Len(t, snap.TerminatingGateway.WatchedLeaves, 1)
require.Contains(t, snap.TerminatingGateway.WatchedLeaves, billing)
// There was no update event for billing's leaf/endpoints, so length is 0
require.Len(t, snap.TerminatingGateway.ServiceGroups, 0)
require.Len(t, snap.TerminatingGateway.ServiceLeaves, 0)
},
},
},
},
"connect-proxy": newConnectProxyCase(structs.MeshGatewayModeDefault),
"connect-proxy-mesh-gateway-local": newConnectProxyCase(structs.MeshGatewayModeLocal),
}

97
logging/names.go
View File

@ -1,52 +1,53 @@
package logging
const (
ACL string = "acl"
Agent string = "agent"
AntiEntropy string = "anti_entropy"
AutoEncrypt string = "auto_encrypt"
Autopilot string = "autopilot"
AWS string = "aws"
Azure string = "azure"
CA string = "ca"
CentralConfig string = "central_config"
ConfigEntry string = "config_entry"
Connect string = "connect"
Consul string = "consul"
ConsulClient string = "client"
ConsulServer string = "server"
Coordinate string = "coordinate"
DNS string = "dns"
Envoy string = "envoy"
FederationState string = "federation_state"
FSM string = "fsm"
GatewayLocator string = "gateway_locator"
HTTP string = "http"
Intentions string = "intentions"
Internal string = "internal"
KV string = "kvs"
LAN string = "lan"
Leader string = "leader"
Legacy string = "legacy"
License string = "license"
Manager string = "manager"
Memberlist string = "memberlist"
MeshGateway string = "mesh_gateway"
Namespace string = "namespace"
Operator string = "operator"
PreparedQuery string = "prepared_query"
Proxy string = "proxy"
ProxyConfig string = "proxycfg"
Raft string = "raft"
Replication string = "replication"
Router string = "router"
RPC string = "rpc"
Serf string = "serf"
Session string = "session"
Sentinel string = "sentinel"
Snapshot string = "snapshot"
TLSUtil string = "tlsutil"
Transaction string = "txn"
WAN string = "wan"
Watch string = "watch"
ACL string = "acl"
Agent string = "agent"
AntiEntropy string = "anti_entropy"
AutoEncrypt string = "auto_encrypt"
Autopilot string = "autopilot"
AWS string = "aws"
Azure string = "azure"
CA string = "ca"
CentralConfig string = "central_config"
ConfigEntry string = "config_entry"
Connect string = "connect"
Consul string = "consul"
ConsulClient string = "client"
ConsulServer string = "server"
Coordinate string = "coordinate"
DNS string = "dns"
Envoy string = "envoy"
FederationState string = "federation_state"
FSM string = "fsm"
GatewayLocator string = "gateway_locator"
HTTP string = "http"
Intentions string = "intentions"
Internal string = "internal"
KV string = "kvs"
LAN string = "lan"
Leader string = "leader"
Legacy string = "legacy"
License string = "license"
Manager string = "manager"
Memberlist string = "memberlist"
MeshGateway string = "mesh_gateway"
Namespace string = "namespace"
Operator string = "operator"
PreparedQuery string = "prepared_query"
Proxy string = "proxy"
ProxyConfig string = "proxycfg"
Raft string = "raft"
Replication string = "replication"
Router string = "router"
RPC string = "rpc"
Serf string = "serf"
Session string = "session"
Sentinel string = "sentinel"
Snapshot string = "snapshot"
TerminatingGateway string = "terminating_gateway"
TLSUtil string = "tlsutil"
Transaction string = "txn"
WAN string = "wan"
Watch string = "watch"
)