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Remove ALPN Muxer (#1965)

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We never ended up using this and it makes it much harder to reason about the listeners.

An explanation: for the moment I separated out all of the listeners in the struct, even though one should suffice, because when I did it that way first I was hitting some really weird and hard to find intermittent behavior where it seemed like the listeners were getting crossed. So I re-did it this way with each listener very explicitly referenced. I'm happy to make a follow-up PR that attempts to combine them all into a single listener without hitting the issues I did, if desired, but at least doing it via a separate PR means that it won't be something with removing the ALPN muxer that is at fault.
This commit is contained in:
Jeff Mitchell authored and GitHub committed 2022-04-01 12:06:41 -04:00
1 parent ce7292d9c8
commit 07dc3db974
13 files changed
+191 -832
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internal/cmd/ops/server_test.go
+23 -30
View File
@@ -18,7 +18,6 @@ import (
"time"
"github.com/hashicorp/boundary/internal/cmd/base"
"github.com/hashicorp/boundary/internal/libs/alpnmux"
"github.com/hashicorp/boundary/internal/servers/controller"
"github.com/hashicorp/boundary/internal/servers/controller/handlers/health"
"github.com/hashicorp/go-hclog"
@@ -280,7 +279,7 @@ func TestNewServerIntegration(t *testing.T) {
addrs := make([]string, 0, len(s.bundles))
for _, b := range s.bundles {
addrs = append(addrs, b.ln.Mux.Addr().String())
addrs = append(addrs, b.ln.OpsListener.Addr().String())
}
if tt.assertions != nil {
tt.assertions(t, addrs)
@@ -334,7 +333,6 @@ func TestShutdown(t *testing.T) {
bundles: []*opsBundle{
{
ln: &base.ServerListener{
Mux: &alpnmux.ALPNMux{},
HTTPServer: &http.Server{},
},
},
@@ -368,7 +366,6 @@ func TestShutdown(t *testing.T) {
bundles: []*opsBundle{
{
ln: &base.ServerListener{
Mux: &alpnmux.ALPNMux{},
Config: &listenerutil.ListenerConfig{},
},
},
@@ -390,10 +387,9 @@ func TestShutdown(t *testing.T) {
bundles: []*opsBundle{
{
ln: &base.ServerListener{
ALPNListener: l1,
HTTPServer: s1,
Mux: alpnmux.New(l1),
Config: &listenerutil.ListenerConfig{Type: "tcp", Purpose: []string{"ops"}},
HTTPServer: s1,
OpsListener: l1,
Config: &listenerutil.ListenerConfig{Type: "tcp", Purpose: []string{"ops"}},
},
},
},
@@ -401,10 +397,10 @@ func TestShutdown(t *testing.T) {
},
assertions: func(t *testing.T, s *Server) {
// The HTTP Server must be closed.
require.ErrorIs(t, s.bundles[0].ln.HTTPServer.Serve(s.bundles[0].ln.ALPNListener), http.ErrServerClosed)
require.ErrorIs(t, s.bundles[0].ln.HTTPServer.Serve(s.bundles[0].ln.OpsListener), http.ErrServerClosed)
// The underlying listener must be closed.
require.ErrorIs(t, s.bundles[0].ln.Mux.Close(), net.ErrClosed)
require.ErrorIs(t, s.bundles[0].ln.OpsListener.Close(), net.ErrClosed)
},
expErr: false,
},
@@ -426,10 +422,9 @@ func TestShutdown(t *testing.T) {
bundles: []*opsBundle{
{
ln: &base.ServerListener{
ALPNListener: l1,
HTTPServer: s1,
Mux: alpnmux.New(l1),
Config: &listenerutil.ListenerConfig{Type: "tcp", Purpose: []string{"ops"}},
OpsListener: l1,
HTTPServer: s1,
Config: &listenerutil.ListenerConfig{Type: "tcp", Purpose: []string{"ops"}},
},
},
},
@@ -437,10 +432,10 @@ func TestShutdown(t *testing.T) {
},
assertions: func(t *testing.T, s *Server) {
// The HTTP Server must be closed.
require.ErrorIs(t, s.bundles[0].ln.HTTPServer.Serve(s.bundles[0].ln.ALPNListener), http.ErrServerClosed)
require.ErrorIs(t, s.bundles[0].ln.HTTPServer.Serve(s.bundles[0].ln.OpsListener), http.ErrServerClosed)
// The underlying listener must be closed.
require.ErrorIs(t, s.bundles[0].ln.Mux.Close(), net.ErrClosed)
require.ErrorIs(t, s.bundles[0].ln.OpsListener.Close(), net.ErrClosed)
},
},
{
@@ -466,18 +461,16 @@ func TestShutdown(t *testing.T) {
bundles: []*opsBundle{
{
ln: &base.ServerListener{
ALPNListener: l1,
HTTPServer: s1,
Mux: alpnmux.New(l1),
Config: &listenerutil.ListenerConfig{Type: "tcp", Purpose: []string{"ops"}},
OpsListener: l1,
HTTPServer: s1,
Config: &listenerutil.ListenerConfig{Type: "tcp", Purpose: []string{"ops"}},
},
},
{
ln: &base.ServerListener{
ALPNListener: l2,
HTTPServer: s2,
Mux: alpnmux.New(l2),
Config: &listenerutil.ListenerConfig{Type: "tcp", Purpose: []string{"ops"}},
OpsListener: l2,
HTTPServer: s2,
Config: &listenerutil.ListenerConfig{Type: "tcp", Purpose: []string{"ops"}},
},
},
},
@@ -485,12 +478,12 @@ func TestShutdown(t *testing.T) {
},
assertions: func(t *testing.T, s *Server) {
// The HTTP Server must be closed.
require.ErrorIs(t, s.bundles[0].ln.HTTPServer.Serve(s.bundles[0].ln.ALPNListener), http.ErrServerClosed)
require.ErrorIs(t, s.bundles[1].ln.HTTPServer.Serve(s.bundles[1].ln.ALPNListener), http.ErrServerClosed)
require.ErrorIs(t, s.bundles[0].ln.HTTPServer.Serve(s.bundles[0].ln.OpsListener), http.ErrServerClosed)
require.ErrorIs(t, s.bundles[1].ln.HTTPServer.Serve(s.bundles[1].ln.OpsListener), http.ErrServerClosed)
// The underlying listener must be closed.
require.ErrorIs(t, s.bundles[0].ln.Mux.Close(), net.ErrClosed)
require.ErrorIs(t, s.bundles[1].ln.Mux.Close(), net.ErrClosed)
require.ErrorIs(t, s.bundles[0].ln.OpsListener.Close(), net.ErrClosed)
require.ErrorIs(t, s.bundles[1].ln.OpsListener.Close(), net.ErrClosed)
},
},
}
@@ -556,7 +549,7 @@ func TestHealthEndpointLifecycle(t *testing.T) {
opsServer.Start()
// Assert the ops endpoint is up and returning 200 OK.
rsp, err := http.Get("http://" + tc.Config().Listeners[0].Mux.Addr().String() + "/health")
rsp, err := http.Get("http://" + tc.Config().Listeners[0].OpsListener.Addr().String() + "/health")
require.NoError(t, err)
require.Equal(t, http.StatusOK, rsp.StatusCode)
@@ -564,7 +557,7 @@ func TestHealthEndpointLifecycle(t *testing.T) {
tc.Controller().HealthService.StartServiceUnavailableReplies()
// Assert we're receiving 503 Service Unavailable now instead of 200 OK.
rsp, err = http.Get("http://" + tc.Config().Listeners[0].Mux.Addr().String() + "/health")
rsp, err = http.Get("http://" + tc.Config().Listeners[0].OpsListener.Addr().String() + "/health")
require.NoError(t, err)
require.Equal(t, http.StatusServiceUnavailable, rsp.StatusCode)
}