consul/agent/consul/config_replication_test.go

348 lines
8.7 KiB
Go

package consul
import (
"context"
"fmt"
"os"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/sdk/testutil/retry"
"github.com/hashicorp/consul/testrpc"
)
func TestReplication_ConfigSort(t *testing.T) {
newDefaults := func(name, protocol string) *structs.ServiceConfigEntry {
return &structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: name,
Protocol: protocol,
}
}
newResolver := func(name string, timeout time.Duration) *structs.ServiceResolverConfigEntry {
return &structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: name,
ConnectTimeout: timeout,
}
}
type testcase struct {
configs []structs.ConfigEntry
expect []structs.ConfigEntry
}
cases := map[string]testcase{
"none": {},
"one": {
configs: []structs.ConfigEntry{
newDefaults("web", "grpc"),
},
expect: []structs.ConfigEntry{
newDefaults("web", "grpc"),
},
},
"just kinds": {
configs: []structs.ConfigEntry{
newResolver("web", 33*time.Second),
newDefaults("web", "grpc"),
},
expect: []structs.ConfigEntry{
newDefaults("web", "grpc"),
newResolver("web", 33*time.Second),
},
},
"just names": {
configs: []structs.ConfigEntry{
newDefaults("db", "grpc"),
newDefaults("api", "http2"),
},
expect: []structs.ConfigEntry{
newDefaults("api", "http2"),
newDefaults("db", "grpc"),
},
},
"all": {
configs: []structs.ConfigEntry{
newResolver("web", 33*time.Second),
newDefaults("web", "grpc"),
newDefaults("db", "grpc"),
newDefaults("api", "http2"),
},
expect: []structs.ConfigEntry{
newDefaults("api", "http2"),
newDefaults("db", "grpc"),
newDefaults("web", "grpc"),
newResolver("web", 33*time.Second),
},
},
}
for name, tc := range cases {
tc := tc
t.Run(name, func(t *testing.T) {
configSort(tc.configs)
require.Equal(t, tc.expect, tc.configs)
// and it should be stable
configSort(tc.configs)
require.Equal(t, tc.expect, tc.configs)
})
}
}
func TestReplication_ConfigEntries(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.PrimaryDatacenter = "dc1"
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
client := rpcClient(t, s1)
defer client.Close()
dir2, s2 := testServerWithConfig(t, func(c *Config) {
c.Datacenter = "dc2"
c.PrimaryDatacenter = "dc1"
c.ConfigReplicationRate = 100
c.ConfigReplicationBurst = 100
c.ConfigReplicationApplyLimit = 1000000
})
testrpc.WaitForLeader(t, s2.RPC, "dc2")
defer os.RemoveAll(dir2)
defer s2.Shutdown()
// Try to join.
joinWAN(t, s2, s1)
testrpc.WaitForLeader(t, s1.RPC, "dc1")
testrpc.WaitForLeader(t, s1.RPC, "dc2")
// Create some new configuration entries
var entries []structs.ConfigEntry
for i := 0; i < 50; i++ {
arg := structs.ConfigEntryRequest{
Datacenter: "dc1",
Op: structs.ConfigEntryUpsert,
Entry: &structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: fmt.Sprintf("svc-%d", i),
Protocol: "tcp",
},
}
out := false
require.NoError(t, s1.RPC(context.Background(), "ConfigEntry.Apply", &arg, &out))
entries = append(entries, arg.Entry)
}
arg := structs.ConfigEntryRequest{
Datacenter: "dc1",
Op: structs.ConfigEntryUpsert,
Entry: &structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: "global",
Config: map[string]interface{}{
"foo": "bar",
"bar": 1,
},
},
}
out := false
require.NoError(t, s1.RPC(context.Background(), "ConfigEntry.Apply", &arg, &out))
entries = append(entries, arg.Entry)
checkSame := func(t *retry.R) error {
_, remote, err := s1.fsm.State().ConfigEntries(nil, structs.ReplicationEnterpriseMeta())
require.NoError(t, err)
_, local, err := s2.fsm.State().ConfigEntries(nil, structs.ReplicationEnterpriseMeta())
require.NoError(t, err)
require.Len(t, local, len(remote))
for i, entry := range remote {
require.Equal(t, entry.GetKind(), local[i].GetKind())
require.Equal(t, entry.GetName(), local[i].GetName())
// more validations
switch entry.GetKind() {
case structs.ServiceDefaults:
localSvc, ok := local[i].(*structs.ServiceConfigEntry)
require.True(t, ok)
remoteSvc, ok := entry.(*structs.ServiceConfigEntry)
require.True(t, ok)
require.Equal(t, remoteSvc.Protocol, localSvc.Protocol)
case structs.ProxyDefaults:
localProxy, ok := local[i].(*structs.ProxyConfigEntry)
require.True(t, ok)
remoteProxy, ok := entry.(*structs.ProxyConfigEntry)
require.True(t, ok)
require.Equal(t, remoteProxy.Config, localProxy.Config)
}
}
return nil
}
// Wait for the replica to converge.
retry.Run(t, func(r *retry.R) {
checkSame(r)
})
// Update those policies
for i := 0; i < 50; i++ {
arg := structs.ConfigEntryRequest{
Datacenter: "dc1",
Op: structs.ConfigEntryUpsert,
Entry: &structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: fmt.Sprintf("svc-%d", i),
Protocol: "udp",
},
}
out := false
require.NoError(t, s1.RPC(context.Background(), "ConfigEntry.Apply", &arg, &out))
}
arg = structs.ConfigEntryRequest{
Datacenter: "dc1",
Op: structs.ConfigEntryUpsert,
Entry: &structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: "global",
Config: map[string]interface{}{
"foo": "baz",
"baz": 2,
},
},
}
require.NoError(t, s1.RPC(context.Background(), "ConfigEntry.Apply", &arg, &out))
// Wait for the replica to converge.
retry.Run(t, func(r *retry.R) {
checkSame(r)
})
for _, entry := range entries {
arg := structs.ConfigEntryRequest{
Datacenter: "dc1",
Op: structs.ConfigEntryDelete,
Entry: entry,
}
var out structs.ConfigEntryDeleteResponse
require.NoError(t, s1.RPC(context.Background(), "ConfigEntry.Delete", &arg, &out))
}
// Wait for the replica to converge.
retry.Run(t, func(r *retry.R) {
checkSame(r)
})
}
func TestReplication_ConfigEntries_GraphValidationErrorDuringReplication(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
_, s1 := testServerWithConfig(t, func(c *Config) {
c.PrimaryDatacenter = "dc1"
})
testrpc.WaitForLeader(t, s1.RPC, "dc1")
_, s2 := testServerWithConfig(t, func(c *Config) {
c.Datacenter = "dc2"
c.PrimaryDatacenter = "dc1"
c.ConfigReplicationRate = 100
c.ConfigReplicationBurst = 100
c.ConfigReplicationApplyLimit = 1000000
})
testrpc.WaitForLeader(t, s2.RPC, "dc2")
// Create two entries that will replicate in the wrong order and not work.
entries := []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "foo",
Protocol: "http",
},
&structs.IngressGatewayConfigEntry{
Kind: structs.IngressGateway,
Name: "foo",
Listeners: []structs.IngressListener{
{
Port: 9191,
Protocol: "http",
Services: []structs.IngressService{
{
Name: "foo",
},
},
},
},
},
}
for _, entry := range entries {
arg := structs.ConfigEntryRequest{
Datacenter: "dc1",
Op: structs.ConfigEntryUpsert,
Entry: entry,
}
out := false
require.NoError(t, s1.RPC(context.Background(), "ConfigEntry.Apply", &arg, &out))
}
// Try to join which should kick off replication.
joinWAN(t, s2, s1)
testrpc.WaitForLeader(t, s1.RPC, "dc1")
testrpc.WaitForLeader(t, s1.RPC, "dc2")
checkSame := func(t require.TestingT) error {
_, remote, err := s1.fsm.State().ConfigEntries(nil, structs.ReplicationEnterpriseMeta())
require.NoError(t, err)
_, local, err := s2.fsm.State().ConfigEntries(nil, structs.ReplicationEnterpriseMeta())
require.NoError(t, err)
require.Len(t, local, len(remote))
for i, entry := range remote {
require.Equal(t, entry.GetKind(), local[i].GetKind())
require.Equal(t, entry.GetName(), local[i].GetName())
// more validations
switch entry.GetKind() {
case structs.IngressGateway:
localGw, ok := local[i].(*structs.IngressGatewayConfigEntry)
require.True(t, ok)
remoteGw, ok := entry.(*structs.IngressGatewayConfigEntry)
require.True(t, ok)
require.Len(t, remoteGw.Listeners, 1)
require.Len(t, localGw.Listeners, 1)
require.Equal(t, remoteGw.Listeners[0].Protocol, localGw.Listeners[0].Protocol)
case structs.ServiceDefaults:
localSvc, ok := local[i].(*structs.ServiceConfigEntry)
require.True(t, ok)
remoteSvc, ok := entry.(*structs.ServiceConfigEntry)
require.True(t, ok)
require.Equal(t, remoteSvc.Protocol, localSvc.Protocol)
}
}
return nil
}
// Wait for the replica to converge.
retry.Run(t, func(r *retry.R) {
checkSame(r)
})
}