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Consul is a distributed, highly available, and data center aware solution to connect and configure applications across dynamic, distributed infrastructure.
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consul/agent/local/state_test.go

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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package local_test
import (
"context"
"errors"
"fmt"
"os"
"path/filepath"
"sort"
"testing"
"time"
"github.com/hashicorp/go-hclog"
"github.com/hashicorp/go-uuid"
"github.com/mitchellh/copystructure"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/hashicorp/consul/acl"
"github.com/hashicorp/consul/acl/resolver"
"github.com/hashicorp/consul/agent"
"github.com/hashicorp/consul/agent/config"
"github.com/hashicorp/consul/agent/local"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/agent/token"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/sdk/testutil"
"github.com/hashicorp/consul/sdk/testutil/retry"
"github.com/hashicorp/consul/testrpc"
"github.com/hashicorp/consul/types"
)
func unNilMap(in map[string]string) map[string]string {
if in == nil {
return make(map[string]string)
}
return in
}
func TestAgentAntiEntropy_Services(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := agent.NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
// Register info
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
Address: "127.0.0.1",
}
// Exists both, same (noop)
var out struct{}
srv1 := &structs.NodeService{
ID: "mysql",
Service: "mysql",
Tags: []string{"primary"},
Port: 5000,
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
assert.False(t, a.State.ServiceExists(structs.ServiceID{ID: srv1.ID}))
a.State.AddServiceWithChecks(srv1, nil, "", false)
assert.True(t, a.State.ServiceExists(structs.ServiceID{ID: srv1.ID}))
args.Service = srv1
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists both, different (update)
srv2 := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{},
Port: 8000,
Weights: &structs.Weights{
Passing: 1,
Warning: 0,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv2, nil, "", false)
srv2_mod := new(structs.NodeService)
*srv2_mod = *srv2
srv2_mod.Port = 9000
args.Service = srv2_mod
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists local (create)
srv3 := &structs.NodeService{
ID: "web",
Service: "web",
Tags: []string{},
Port: 80,
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv3, nil, "", false)
// Exists remote (delete)
srv4 := &structs.NodeService{
ID: "lb",
Service: "lb",
Tags: []string{},
Port: 443,
Weights: &structs.Weights{
Passing: 1,
Warning: 0,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
args.Service = srv4
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists both, different address (update)
srv5 := &structs.NodeService{
ID: "api",
Service: "api",
Tags: []string{},
Address: "127.0.0.10",
Port: 8000,
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv5, nil, "", false)
srv5_mod := new(structs.NodeService)
*srv5_mod = *srv5
srv5_mod.Address = "127.0.0.1"
args.Service = srv5_mod
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists local, in sync, remote missing (create)
srv6 := &structs.NodeService{
ID: "cache",
Service: "cache",
Tags: []string{},
Port: 11211,
Weights: &structs.Weights{
Passing: 1,
Warning: 0,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.SetServiceState(&local.ServiceState{
Service: srv6,
InSync: true,
})
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
var services structs.IndexedNodeServices
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
}
if err := a.RPC(context.Background(), "Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
// Make sure we sent along our node info when we synced.
id := services.NodeServices.Node.ID
addrs := services.NodeServices.Node.TaggedAddresses
meta := services.NodeServices.Node.Meta
delete(meta, structs.MetaSegmentKey) // Added later, not in config.
delete(meta, structs.MetaConsulVersion) // Added later, not in config.
assert.Equal(t, a.Config.NodeID, id)
assert.Equal(t, a.Config.TaggedAddresses, addrs)
assert.Equal(t, unNilMap(a.Config.NodeMeta), meta)
// We should have 6 services (consul included)
if len(services.NodeServices.Services) != 6 {
t.Fatalf("bad: %v", services.NodeServices.Services)
}
// All the services should match
for id, serv := range services.NodeServices.Services {
serv.CreateIndex, serv.ModifyIndex = 0, 0
switch id {
case "mysql":
require.Equal(t, srv1, serv)
case "redis":
require.Equal(t, srv2, serv)
case "web":
require.Equal(t, srv3, serv)
case "api":
require.Equal(t, srv5, serv)
case "cache":
require.Equal(t, srv6, serv)
case structs.ConsulServiceID:
// ignore
default:
t.Fatalf("unexpected service: %v", id)
}
}
if err := servicesInSync(a.State, 5, structs.DefaultEnterpriseMetaInDefaultPartition()); err != nil {
t.Fatal(err)
}
// Remove one of the services
a.State.RemoveService(structs.NewServiceID("api", nil))
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
if err := a.RPC(context.Background(), "Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
// We should have 5 services (consul included)
if len(services.NodeServices.Services) != 5 {
t.Fatalf("bad: %v", services.NodeServices.Services)
}
// All the services should match
for id, serv := range services.NodeServices.Services {
serv.CreateIndex, serv.ModifyIndex = 0, 0
switch id {
case "mysql":
require.Equal(t, srv1, serv)
case "redis":
require.Equal(t, srv2, serv)
case "web":
require.Equal(t, srv3, serv)
case "cache":
require.Equal(t, srv6, serv)
case structs.ConsulServiceID:
// ignore
default:
t.Fatalf("unexpected service: %v", id)
}
}
if err := servicesInSync(a.State, 4, structs.DefaultEnterpriseMetaInDefaultPartition()); err != nil {
t.Fatal(err)
}
}
func TestAgentAntiEntropy_Services_ConnectProxy(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := agent.NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
clone := func(ns *structs.NodeService) *structs.NodeService {
raw, err := copystructure.Copy(ns)
require.NoError(t, err)
return raw.(*structs.NodeService)
}
// Register node info
var out struct{}
// Exists both same (noop)
srv1 := &structs.NodeService{
Kind: structs.ServiceKindConnectProxy,
ID: "mysql-proxy",
Service: "mysql-proxy",
Port: 5000,
Proxy: structs.ConnectProxyConfig{DestinationServiceName: "db"},
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv1, nil, "", false)
require.NoError(t, a.RPC(context.Background(), "Catalog.Register", &structs.RegisterRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
Address: "127.0.0.1",
Service: srv1,
}, &out))
// Exists both, different (update)
srv2 := &structs.NodeService{
ID: "redis-proxy",
Service: "redis-proxy",
Port: 8000,
Kind: structs.ServiceKindConnectProxy,
Proxy: structs.ConnectProxyConfig{DestinationServiceName: "redis"},
Weights: &structs.Weights{
Passing: 1,
Warning: 0,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv2, nil, "", false)
srv2_mod := clone(srv2)
srv2_mod.Port = 9000
require.NoError(t, a.RPC(context.Background(), "Catalog.Register", &structs.RegisterRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
Address: "127.0.0.1",
Service: srv2_mod,
}, &out))
// Exists local (create)
srv3 := &structs.NodeService{
ID: "web-proxy",
Service: "web-proxy",
Port: 80,
Kind: structs.ServiceKindConnectProxy,
Proxy: structs.ConnectProxyConfig{DestinationServiceName: "web"},
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv3, nil, "", false)
// Exists remote (delete)
srv4 := &structs.NodeService{
ID: "lb-proxy",
Service: "lb-proxy",
Port: 443,
Kind: structs.ServiceKindConnectProxy,
Proxy: structs.ConnectProxyConfig{DestinationServiceName: "lb"},
Weights: &structs.Weights{
Passing: 1,
Warning: 0,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
require.NoError(t, a.RPC(context.Background(), "Catalog.Register", &structs.RegisterRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
Address: "127.0.0.1",
Service: srv4,
}, &out))
// Exists local, in sync, remote missing (create)
srv5 := &structs.NodeService{
ID: "cache-proxy",
Service: "cache-proxy",
Port: 11211,
Kind: structs.ServiceKindConnectProxy,
Proxy: structs.ConnectProxyConfig{DestinationServiceName: "cache-proxy"},
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.SetServiceState(&local.ServiceState{
Service: srv5,
InSync: true,
})
require.NoError(t, a.State.SyncFull())
var services structs.IndexedNodeServices
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
}
require.NoError(t, a.RPC(context.Background(), "Catalog.NodeServices", &req, &services))
// We should have 5 services (consul included)
require.Len(t, services.NodeServices.Services, 5)
// check that virtual ips have been set
vips := make(map[string]struct{})
serviceToVIP := make(map[string]string)
for _, serv := range services.NodeServices.Services {
if serv.TaggedAddresses != nil {
serviceVIP := serv.TaggedAddresses[structs.TaggedAddressVirtualIP].Address
require.NotEmpty(t, serviceVIP)
vips[serviceVIP] = struct{}{}
serviceToVIP[serv.ID] = serviceVIP
}
}
require.Len(t, vips, 4)
// Update our assertions for the tagged addresses.
srv1.TaggedAddresses = map[string]structs.ServiceAddress{
structs.TaggedAddressVirtualIP: {
Address: serviceToVIP["mysql-proxy"],
Port: srv1.Port,
},
}
srv2.TaggedAddresses = map[string]structs.ServiceAddress{
structs.TaggedAddressVirtualIP: {
Address: serviceToVIP["redis-proxy"],
Port: srv2.Port,
},
}
srv3.TaggedAddresses = map[string]structs.ServiceAddress{
structs.TaggedAddressVirtualIP: {
Address: serviceToVIP["web-proxy"],
Port: srv3.Port,
},
}
srv5.TaggedAddresses = map[string]structs.ServiceAddress{
structs.TaggedAddressVirtualIP: {
Address: serviceToVIP["cache-proxy"],
Port: srv5.Port,
},
}
// All the services should match
// Retry to mitigate data races between local and remote state
retry.Run(t, func(r *retry.R) {
require.NoError(r, a.State.SyncFull())
for id, serv := range services.NodeServices.Services {
serv.CreateIndex, serv.ModifyIndex = 0, 0
switch id {
case "mysql-proxy":
require.Equal(r, srv1, serv)
case "redis-proxy":
require.Equal(r, srv2, serv)
case "web-proxy":
require.Equal(r, srv3, serv)
case "cache-proxy":
require.Equal(r, srv5, serv)
case structs.ConsulServiceID:
// ignore
default:
r.Fatalf("unexpected service: %v", id)
}
}
})
require.NoError(t, servicesInSync(a.State, 4, structs.DefaultEnterpriseMetaInDefaultPartition()))
// Remove one of the services
a.State.RemoveService(structs.NewServiceID("cache-proxy", nil))
require.NoError(t, a.State.SyncFull())
require.NoError(t, a.RPC(context.Background(), "Catalog.NodeServices", &req, &services))
// We should have 4 services (consul included)
require.Len(t, services.NodeServices.Services, 4)
// All the services should match
for id, serv := range services.NodeServices.Services {
serv.CreateIndex, serv.ModifyIndex = 0, 0
switch id {
case "mysql-proxy":
require.Equal(t, srv1, serv)
case "redis-proxy":
require.Equal(t, srv2, serv)
case "web-proxy":
require.Equal(t, srv3, serv)
case structs.ConsulServiceID:
// ignore
default:
t.Fatalf("unexpected service: %v", id)
}
}
require.NoError(t, servicesInSync(a.State, 3, structs.DefaultEnterpriseMetaInDefaultPartition()))
}
func TestAgent_ServiceWatchCh(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := agent.NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
// register a local service
srv1 := &structs.NodeService{
ID: "svc_id1",
Service: "svc1",
Tags: []string{"tag1"},
Port: 6100,
}
require.NoError(t, a.State.AddServiceWithChecks(srv1, nil, "", false))
verifyState := func(ss *local.ServiceState) {
require.NotNil(t, ss)
require.NotNil(t, ss.WatchCh)
// Sanity check WatchCh blocks
select {
case <-ss.WatchCh:
t.Fatal("should block until service changes")
default:
}
}
// Should be able to get a ServiceState
ss := a.State.ServiceState(srv1.CompoundServiceID())
verifyState(ss)
// Update service in another go routine
go func() {
srv2 := srv1
srv2.Port = 6200
require.NoError(t, a.State.AddServiceWithChecks(srv2, nil, "", false))
}()
// We should observe WatchCh close
select {
case <-ss.WatchCh:
// OK!
case <-time.After(500 * time.Millisecond):
t.Fatal("timeout waiting for WatchCh to close")
}
// Should also fire for state being set explicitly
ss = a.State.ServiceState(srv1.CompoundServiceID())
verifyState(ss)
go func() {
a.State.SetServiceState(&local.ServiceState{
Service: ss.Service,
Token: "foo",
})
}()
// We should observe WatchCh close
select {
case <-ss.WatchCh:
// OK!
case <-time.After(500 * time.Millisecond):
t.Fatal("timeout waiting for WatchCh to close")
}
// Should also fire for service being removed
ss = a.State.ServiceState(srv1.CompoundServiceID())
verifyState(ss)
go func() {
require.NoError(t, a.State.RemoveService(srv1.CompoundServiceID()))
}()
// We should observe WatchCh close
select {
case <-ss.WatchCh:
// OK!
case <-time.After(500 * time.Millisecond):
t.Fatal("timeout waiting for WatchCh to close")
}
}
func TestAgentAntiEntropy_EnableTagOverride(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := agent.NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
Address: "127.0.0.1",
}
var out struct{}
// register a local service with tag override enabled
srv1 := &structs.NodeService{
ID: "svc_id1",
Service: "svc1",
Tags: []string{"tag1"},
Port: 6100,
EnableTagOverride: true,
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv1, nil, "", false)
// register a local service with tag override disabled
srv2 := &structs.NodeService{
ID: "svc_id2",
Service: "svc2",
Tags: []string{"tag2"},
Port: 6200,
EnableTagOverride: false,
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv2, nil, "", false)
// make sure they are both in the catalog
if err := a.State.SyncChanges(); err != nil {
t.Fatalf("err: %v", err)
}
// update the services in the catalog and change the tags and port.
// Only tag changes should be propagated for services where tag
// override is enabled.
args.Service = &structs.NodeService{
ID: srv1.ID,
Service: srv1.Service,
Tags: []string{"tag1_mod"},
Port: 7100,
EnableTagOverride: true,
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
args.Service = &structs.NodeService{
ID: srv2.ID,
Service: srv2.Service,
Tags: []string{"tag2_mod"},
Port: 7200,
EnableTagOverride: false,
Weights: &structs.Weights{
Passing: 1,
Warning: 0,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// sync catalog and local state
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
}
var services structs.IndexedNodeServices
retry.Run(t, func(r *retry.R) {
if err := a.RPC(context.Background(), "Catalog.NodeServices", &req, &services); err != nil {
r.Fatalf("err: %v", err)
}
// All the services should match
for id, serv := range services.NodeServices.Services {
serv.CreateIndex, serv.ModifyIndex = 0, 0
switch id {
case "svc_id1":
// tags should be modified but not the port
got := serv
want := &structs.NodeService{
ID: "svc_id1",
Service: "svc1",
Tags: []string{"tag1_mod"},
Port: 6100,
EnableTagOverride: true,
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
assert.Equal(r, want, got)
case "svc_id2":
got, want := serv, srv2
assert.Equal(r, want, got)
case structs.ConsulServiceID:
// ignore
default:
r.Fatalf("unexpected service: %v", id)
}
}
if err := servicesInSync(a.State, 2, structs.DefaultEnterpriseMetaInDefaultPartition()); err != nil {
r.Fatal(err)
}
})
}
func TestAgentAntiEntropy_Services_WithChecks(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := agent.NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
{
// Single check
srv := &structs.NodeService{
ID: "mysql",
Service: "mysql",
Tags: []string{"primary"},
Port: 5000,
}
a.State.AddServiceWithChecks(srv, nil, "", false)
chk := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "mysql",
Name: "mysql",
ServiceID: "mysql",
Status: api.HealthPassing,
}
a.State.AddCheck(chk, "", false)
if err := a.State.SyncFull(); err != nil {
t.Fatal("sync failed: ", err)
}
// We should have 2 services (consul included)
svcReq := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
}
var services structs.IndexedNodeServices
if err := a.RPC(context.Background(), "Catalog.NodeServices", &svcReq, &services); err != nil {
t.Fatalf("err: %v", err)
}
if len(services.NodeServices.Services) != 2 {
t.Fatalf("bad: %v", services.NodeServices.Services)
}
// We should have one health check
chkReq := structs.ServiceSpecificRequest{
Datacenter: "dc1",
ServiceName: "mysql",
}
var checks structs.IndexedHealthChecks
if err := a.RPC(context.Background(), "Health.ServiceChecks", &chkReq, &checks); err != nil {
t.Fatalf("err: %v", err)
}
if len(checks.HealthChecks) != 1 {
t.Fatalf("bad: %v", checks)
}
}
{
// Multiple checks
srv := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"primary"},
Port: 5000,
}
a.State.AddServiceWithChecks(srv, nil, "", false)
chk1 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "redis:1",
Name: "redis:1",
ServiceID: "redis",
Status: api.HealthPassing,
}
a.State.AddCheck(chk1, "", false)
chk2 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "redis:2",
Name: "redis:2",
ServiceID: "redis",
Status: api.HealthPassing,
}
a.State.AddCheck(chk2, "", false)
if err := a.State.SyncFull(); err != nil {
t.Fatal("sync failed: ", err)
}
// We should have 3 services (consul included)
svcReq := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
}
var services structs.IndexedNodeServices
if err := a.RPC(context.Background(), "Catalog.NodeServices", &svcReq, &services); err != nil {
t.Fatalf("err: %v", err)
}
if len(services.NodeServices.Services) != 3 {
t.Fatalf("bad: %v", services.NodeServices.Services)
}
// We should have two health checks
chkReq := structs.ServiceSpecificRequest{
Datacenter: "dc1",
ServiceName: "redis",
}
var checks structs.IndexedHealthChecks
if err := a.RPC(context.Background(), "Health.ServiceChecks", &chkReq, &checks); err != nil {
t.Fatalf("err: %v", err)
}
if len(checks.HealthChecks) != 2 {
t.Fatalf("bad: %v", checks)
}
}
}
var testRegisterRules = `
service "api" {
policy = "write"
}
service "consul" {
policy = "write"
}
`
func TestAgentAntiEntropy_Services_ACLDeny(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := agent.NewTestAgent(t, `
primary_datacenter = "dc1"
acl {
enabled = true
default_policy = "deny"
tokens {
initial_management = "root"
}
}
`)
defer a.Shutdown()
testrpc.WaitForLeader(t, a.RPC, "dc1")
// The agent token is the only token used for deleteService.
setAgentToken(t, a)
token := createToken(t, a, testRegisterRules)
// Create service (disallowed)
srv1 := &structs.NodeService{
ID: "mysql",
Service: "mysql",
Tags: []string{"primary"},
Port: 5000,
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv1, nil, token, false)
// Create service (allowed)
srv2 := &structs.NodeService{
ID: "api",
Service: "api",
Tags: []string{"foo"},
Port: 5001,
Weights: &structs.Weights{
Passing: 1,
Warning: 0,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv2, nil, token, false)
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
// Verify that we are in sync
{
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
QueryOptions: structs.QueryOptions{
Token: "root",
},
}
var services structs.IndexedNodeServices
if err := a.RPC(context.Background(), "Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
// We should have 2 services (consul included)
if len(services.NodeServices.Services) != 2 {
t.Fatalf("bad: %v", services.NodeServices.Services)
}
// All the services should match
for id, serv := range services.NodeServices.Services {
serv.CreateIndex, serv.ModifyIndex = 0, 0
switch id {
case "mysql":
t.Fatalf("should not be permitted")
case "api":
require.Equal(t, srv2, serv)
case structs.ConsulServiceID:
// ignore
default:
t.Fatalf("unexpected service: %v", id)
}
}
if err := servicesInSync(a.State, 2, structs.DefaultEnterpriseMetaInDefaultPartition()); err != nil {
t.Fatal(err)
}
}
// Now remove the service and re-sync
a.State.RemoveService(structs.NewServiceID("api", nil))
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
// Verify that we are in sync
{
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
QueryOptions: structs.QueryOptions{
Token: "root",
},
}
var services structs.IndexedNodeServices
if err := a.RPC(context.Background(), "Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
// We should have 1 service (just consul)
if len(services.NodeServices.Services) != 1 {
t.Fatalf("bad: %v", services.NodeServices.Services)
}
// All the services should match
for id, serv := range services.NodeServices.Services {
serv.CreateIndex, serv.ModifyIndex = 0, 0
switch id {
case "mysql":
t.Fatalf("should not be permitted")
case "api":
t.Fatalf("should be deleted")
case structs.ConsulServiceID:
// ignore
default:
t.Fatalf("unexpected service: %v", id)
}
}
if err := servicesInSync(a.State, 1, structs.DefaultEnterpriseMetaInDefaultPartition()); err != nil {
t.Fatal(err)
}
}
// Make sure the token got cleaned up.
if token := a.State.ServiceToken(structs.NewServiceID("api", nil)); token != "" {
t.Fatalf("bad: %s", token)
}
}
func TestAgentAntiEntropy_ConfigFileRegistrationToken(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
tokens := map[string]string{
"api": "5ece2854-989a-4e7a-8145-4801c13350d5",
"web": "b85e99b7-8d97-45a3-a175-5f33e167177b",
}
// Configure the agent with the config_file_service_registration token.
agentConfig := fmt.Sprintf(`
primary_datacenter = "dc1"
acl {
enabled = true
default_policy = "deny"
tokens {
initial_management = "root"
config_file_service_registration = "%s"
}
}
`, tokens["api"])
// We need separate files because we can't put multiple 'service' stanzas in one config string/file.
dir := testutil.TempDir(t, "config")
apiFile := filepath.Join(dir, "api.hcl")
dbFile := filepath.Join(dir, "db.hcl")
webFile := filepath.Join(dir, "web.hcl")
// The "api" service and checks are able to register because the config_file_service_registration token
// has service:write for the "api" service.
require.NoError(t, os.WriteFile(apiFile, []byte(`
service {
name = "api"
id = "api"
check {
id = "api inline check"
status = "passing"
ttl = "99999h"
}
}
check {
id = "api standalone check"
status = "passing"
service_id = "api"
ttl = "99999h"
}
`), 0600))
// The "db" service and check is unable to register because the config_file_service_registration token
// does not have service:write for "db" and there are no inline tokens.
require.NoError(t, os.WriteFile(dbFile, []byte(`
service {
name = "db"
id = "db"
}
check {
id = "db standalone check"
service_id = "db"
status = "passing"
ttl = "99999h"
}
`), 0600))
// The "web" service is able to register because the inline tokens have service:write for "web".
// This tests that inline tokens take precedence over the config_file_service_registration token.
require.NoError(t, os.WriteFile(webFile, []byte(fmt.Sprintf(`
service {
name = "web"
id = "web"
token = "%[1]s"
}
check {
id = "web standalone check"
service_id = "web"
status = "passing"
ttl = "99999h"
token = "%[1]s"
}
`, tokens["web"])), 0600))
a := agent.NewTestAgentWithConfigFile(t, agentConfig, []string{apiFile, dbFile, webFile})
defer a.Shutdown()
testrpc.WaitForLeader(t, a.RPC, "dc1")
// Create the tokens referenced in the config files.
for svc, secret := range tokens {
req := structs.ACLTokenSetRequest{
ACLToken: structs.ACLToken{
SecretID: secret,
ServiceIdentities: []*structs.ACLServiceIdentity{{ServiceName: svc}},
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
if err := a.RPC(context.Background(), "ACL.TokenSet", &req, &structs.ACLToken{}); err != nil {
t.Fatalf("err: %v", err)
}
}
// All services are added from files into local state.
assert.True(t, a.State.ServiceExists(structs.ServiceID{ID: "api"}))
assert.True(t, a.State.ServiceExists(structs.ServiceID{ID: "db"}))
assert.True(t, a.State.ServiceExists(structs.ServiceID{ID: "web"}))
// Sync services with the remote.
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
// Validate which services were able to register.
var services structs.IndexedNodeServices
require.NoError(t, a.RPC(
context.Background(),
"Catalog.NodeServices",
&structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
QueryOptions: structs.QueryOptions{Token: "root"},
},
&services,
))
assert.Len(t, services.NodeServices.Services, 3)
assert.Contains(t, services.NodeServices.Services, "api")
assert.Contains(t, services.NodeServices.Services, "consul")
assert.Contains(t, services.NodeServices.Services, "web")
// No token with permission to register the "db" service.
assert.NotContains(t, services.NodeServices.Services, "db")
// Validate which checks were able to register.
var checks structs.IndexedHealthChecks
require.NoError(t, a.RPC(
context.Background(),
"Health.NodeChecks",
&structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
QueryOptions: structs.QueryOptions{Token: "root"},
},
&checks,
))
sort.Slice(checks.HealthChecks, func(i, j int) bool {
return checks.HealthChecks[i].CheckID < checks.HealthChecks[j].CheckID
})
assert.Len(t, checks.HealthChecks, 4)
assert.Equal(t, checks.HealthChecks[0].CheckID, types.CheckID("api inline check"))
assert.Equal(t, checks.HealthChecks[1].CheckID, types.CheckID("api standalone check"))
assert.Equal(t, checks.HealthChecks[2].CheckID, types.CheckID("serfHealth"))
assert.Equal(t, checks.HealthChecks[3].CheckID, types.CheckID("web standalone check"))
}
type RPC interface {
RPC(ctx context.Context, method string, args interface{}, reply interface{}) error
}
func createToken(t *testing.T, rpc RPC, policyRules string) string {
t.Helper()
uniqueId, err := uuid.GenerateUUID()
require.NoError(t, err)
policyName := "the-policy-" + uniqueId
reqPolicy := structs.ACLPolicySetRequest{
Datacenter: "dc1",
Policy: structs.ACLPolicy{
Name: policyName,
Rules: policyRules,
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
err = rpc.RPC(context.Background(), "ACL.PolicySet", &reqPolicy, &structs.ACLPolicy{})
require.NoError(t, err)
token, err := uuid.GenerateUUID()
require.NoError(t, err)
reqToken := structs.ACLTokenSetRequest{
Datacenter: "dc1",
ACLToken: structs.ACLToken{
SecretID: token,
Policies: []structs.ACLTokenPolicyLink{{Name: policyName}},
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
err = rpc.RPC(context.Background(), "ACL.TokenSet", &reqToken, &structs.ACLToken{})
require.NoError(t, err)
return token
}
// setAgentToken sets the 'agent' token for this agent. It creates a new token
// with node:write for the agent's node name, and service:write for any
// service.
func setAgentToken(t *testing.T, a *agent.TestAgent) {
var policy = fmt.Sprintf(`
node "%s" {
policy = "write"
}
service_prefix "" {
policy = "read"
}
`, a.Config.NodeName)
token := createToken(t, a, policy)
_, err := a.Client().Agent().UpdateAgentACLToken(token, &api.WriteOptions{Token: "root"})
if err != nil {
t.Fatalf("setting agent token: %v", err)
}
}
func TestAgentAntiEntropy_Checks(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := agent.NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
// Register info
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
Address: "127.0.0.1",
}
// Exists both, same (noop)
var out struct{}
chk1 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "mysql",
Name: "mysql",
Status: api.HealthPassing,
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddCheck(chk1, "", false)
args.Check = chk1
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists both, different (update)
chk2 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "redis",
Name: "redis",
Status: api.HealthPassing,
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddCheck(chk2, "", false)
chk2_mod := new(structs.HealthCheck)
*chk2_mod = *chk2
chk2_mod.Status = api.HealthCritical
args.Check = chk2_mod
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists local (create)
chk3 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "web",
Name: "web",
Status: api.HealthPassing,
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddCheck(chk3, "", false)
// Exists remote (delete)
chk4 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "lb",
Name: "lb",
Status: api.HealthPassing,
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
args.Check = chk4
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists local, in sync, remote missing (create)
chk5 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "cache",
Name: "cache",
Status: api.HealthPassing,
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.SetCheckState(&local.CheckState{
Check: chk5,
InSync: true,
})
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
}
var checks structs.IndexedHealthChecks
retry.Run(t, func(r *retry.R) {
// Verify that we are in sync
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
r.Fatalf("err: %v", err)
}
// We should have 5 checks (serf included)
if len(checks.HealthChecks) != 5 {
r.Fatalf("bad: %v", checks)
}
// All the checks should match
for _, chk := range checks.HealthChecks {
chk.CreateIndex, chk.ModifyIndex = 0, 0
switch chk.CheckID {
case "mysql":
require.Equal(r, chk, chk1)
case "redis":
require.Equal(r, chk, chk2)
case "web":
require.Equal(r, chk, chk3)
case "cache":
require.Equal(r, chk, chk5)
case "serfHealth":
// ignore
default:
r.Fatalf("unexpected check: %v", chk)
}
}
if err := checksInSync(a.State, 4, structs.DefaultEnterpriseMetaInDefaultPartition()); err != nil {
r.Fatal(err)
}
})
retry.Run(t, func(r *retry.R) {
// Make sure we sent along our node info addresses when we synced.
{
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
}
var services structs.IndexedNodeServices
if err := a.RPC(context.Background(), "Catalog.NodeServices", &req, &services); err != nil {
r.Fatalf("err: %v", err)
}
id := services.NodeServices.Node.ID
addrs := services.NodeServices.Node.TaggedAddresses
meta := services.NodeServices.Node.Meta
delete(meta, structs.MetaSegmentKey) // Added later, not in config.
delete(meta, structs.MetaConsulVersion) // Added later, not in config.
assert.Equal(r, a.Config.NodeID, id)
assert.Equal(r, a.Config.TaggedAddresses, addrs)
assert.Equal(r, unNilMap(a.Config.NodeMeta), meta)
}
})
retry.Run(t, func(r *retry.R) {
// Remove one of the checks
a.State.RemoveCheck(structs.NewCheckID("redis", nil))
if err := a.State.SyncFull(); err != nil {
r.Fatalf("err: %v", err)
}
// Verify that we are in sync
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
r.Fatalf("err: %v", err)
}
// We should have 5 checks (serf included)
if len(checks.HealthChecks) != 4 {
r.Fatalf("bad: %v", checks)
}
// All the checks should match
for _, chk := range checks.HealthChecks {
chk.CreateIndex, chk.ModifyIndex = 0, 0
switch chk.CheckID {
case "mysql":
require.Equal(r, chk1, chk)
case "web":
require.Equal(r, chk3, chk)
case "cache":
require.Equal(r, chk5, chk)
case "serfHealth":
// ignore
default:
r.Fatalf("unexpected check: %v", chk)
}
}
if err := checksInSync(a.State, 3, structs.DefaultEnterpriseMetaInDefaultPartition()); err != nil {
r.Fatal(err)
}
})
}
func TestAgentAntiEntropy_RemovingServiceAndCheck(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := agent.NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
// Register info
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
Address: "127.0.0.1",
}
var out struct{}
// Exists remote (delete)
svcID := "deleted-check-service"
srv := &structs.NodeService{
ID: svcID,
Service: "echo",
Tags: []string{},
Address: "127.0.0.1",
Port: 8080,
}
args.Service = srv
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists remote (delete)
chk := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "lb",
Name: "lb",
ServiceID: svcID,
Status: api.HealthPassing,
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
args.Check = chk
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
var services structs.IndexedNodeServices
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
}
if err := a.RPC(context.Background(), "Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
// The consul service will still be registered
if len(services.NodeServices.Services) != 1 {
t.Fatalf("Expected all services to be deleted, got: %#v", services.NodeServices.Services)
}
var checks structs.IndexedHealthChecks
// Verify that we are in sync
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
t.Fatalf("err: %v", err)
}
// The serfHealth check will still be here
if len(checks.HealthChecks) != 1 {
t.Fatalf("Expected the health check to be deleted, got: %#v", checks.HealthChecks)
}
}
func TestAgentAntiEntropy_Checks_ACLDeny(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
dc := "dc1"
a := &agent.TestAgent{HCL: `
primary_datacenter = "` + dc + `"
acl {
enabled = true
default_policy = "deny"
tokens {
initial_management = "root"
}
}
`}
if err := a.Start(t); err != nil {
t.Fatal(err)
}
defer a.Shutdown()
testrpc.WaitForLeader(t, a.RPC, dc)
// The agent token is the only token used for deleteCheck.
setAgentToken(t, a)
token := createToken(t, a, testRegisterRules)
// Create services using the root token
srv1 := &structs.NodeService{
ID: "mysql",
Service: "mysql",
Tags: []string{"primary"},
Port: 5000,
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv1, nil, "root", false)
srv2 := &structs.NodeService{
ID: "api",
Service: "api",
Tags: []string{"foo"},
Port: 5001,
Weights: &structs.Weights{
Passing: 1,
Warning: 1,
},
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddServiceWithChecks(srv2, nil, "root", false)
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
// Verify that we are in sync
{
req := structs.NodeSpecificRequest{
Datacenter: dc,
Node: a.Config.NodeName,
QueryOptions: structs.QueryOptions{
Token: "root",
},
}
var services structs.IndexedNodeServices
if err := a.RPC(context.Background(), "Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
// We should have 3 services (consul included)
if len(services.NodeServices.Services) != 3 {
t.Fatalf("bad: %v", services.NodeServices.Services)
}
// All the services should match
for id, serv := range services.NodeServices.Services {
serv.CreateIndex, serv.ModifyIndex = 0, 0
switch id {
case "mysql":
require.Equal(t, srv1, serv)
case "api":
require.Equal(t, srv2, serv)
case structs.ConsulServiceID:
// ignore
default:
t.Fatalf("unexpected service: %v", id)
}
}
if err := servicesInSync(a.State, 2, structs.DefaultEnterpriseMetaInDefaultPartition()); err != nil {
t.Fatal(err)
}
}
// This check won't be allowed.
chk1 := &structs.HealthCheck{
Node: a.Config.NodeName,
ServiceID: "mysql",
ServiceName: "mysql",
ServiceTags: []string{"primary"},
CheckID: "mysql-check",
Name: "mysql",
Status: api.HealthPassing,
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddCheck(chk1, token, false)
// This one will be allowed.
chk2 := &structs.HealthCheck{
Node: a.Config.NodeName,
ServiceID: "api",
ServiceName: "api",
ServiceTags: []string{"foo"},
CheckID: "api-check",
Name: "api",
Status: api.HealthPassing,
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
a.State.AddCheck(chk2, token, false)
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
// Verify that we are in sync
req := structs.NodeSpecificRequest{
Datacenter: dc,
Node: a.Config.NodeName,
QueryOptions: structs.QueryOptions{
Token: "root",
},
}
var checks structs.IndexedHealthChecks
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
t.Fatalf("err: %v", err)
}
// We should have 2 checks (serf included)
if len(checks.HealthChecks) != 2 {
t.Fatalf("bad: %v", checks)
}
// All the checks should match
for _, chk := range checks.HealthChecks {
chk.CreateIndex, chk.ModifyIndex = 0, 0
switch chk.CheckID {
case "mysql-check":
t.Fatalf("should not be permitted")
case "api-check":
require.Equal(t, chk, chk2)
case "serfHealth":
// ignore
default:
t.Fatalf("unexpected check: %v", chk)
}
}
if err := checksInSync(a.State, 2, structs.DefaultEnterpriseMetaInDefaultPartition()); err != nil {
t.Fatal(err)
}
// Now delete the check and wait for sync.
a.State.RemoveCheck(structs.NewCheckID("api-check", nil))
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
// Verify that we are in sync
{
req := structs.NodeSpecificRequest{
Datacenter: dc,
Node: a.Config.NodeName,
QueryOptions: structs.QueryOptions{
Token: "root",
},
}
var checks structs.IndexedHealthChecks
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
t.Fatalf("err: %v", err)
}
// We should have 1 check (just serf)
if len(checks.HealthChecks) != 1 {
t.Fatalf("bad: %v", checks)
}
// All the checks should match
for _, chk := range checks.HealthChecks {
chk.CreateIndex, chk.ModifyIndex = 0, 0
switch chk.CheckID {
case "mysql-check":
t.Fatalf("should not be permitted")
case "api-check":
t.Fatalf("should be deleted")
case "serfHealth":
// ignore
default:
t.Fatalf("unexpected check: %v", chk)
}
}
}
if err := checksInSync(a.State, 1, structs.DefaultEnterpriseMetaInDefaultPartition()); err != nil {
t.Fatal(err)
}
// Make sure the token got cleaned up.
if token := a.State.CheckToken(structs.NewCheckID("api-check", nil)); token != "" {
t.Fatalf("bad: %s", token)
}
}
func TestAgent_UpdateCheck_DiscardOutput(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := agent.NewTestAgent(t, `
discard_check_output = true
check_update_interval = "0s" # set to "0s" since otherwise output checks are deferred
`)
defer a.Shutdown()
testrpc.WaitForLeader(t, a.RPC, "dc1")
inSync := func(id string) bool {
s := a.State.CheckState(structs.NewCheckID(types.CheckID(id), nil))
if s == nil {
return false
}
return s.InSync
}
// register a check
check := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "web",
Name: "web",
Status: api.HealthPassing,
Output: "first output",
}
if err := a.State.AddCheck(check, "", false); err != nil {
t.Fatalf("bad: %s", err)
}
if err := a.State.SyncFull(); err != nil {
t.Fatalf("bad: %s", err)
}
if !inSync("web") {
t.Fatal("check should be in sync")
}
// update the check with the same status but different output
// and the check should still be in sync.
a.State.UpdateCheck(check.CompoundCheckID(), api.HealthPassing, "second output")
if !inSync("web") {
t.Fatal("check should be in sync")
}
// disable discarding of check output and update the check again with different
// output. Then the check should be out of sync.
a.State.SetDiscardCheckOutput(false)
a.State.UpdateCheck(check.CompoundCheckID(), api.HealthPassing, "third output")
if inSync("web") {
t.Fatal("check should be out of sync")
}
}
func TestAgentAntiEntropy_Check_DeferSync(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := &agent.TestAgent{HCL: `
check_update_interval = "500ms"
`}
if err := a.Start(t); err != nil {
t.Fatal(err)
}
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
// Create a check
check := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "web",
Name: "web",
Status: api.HealthPassing,
Output: "",
}
a.State.AddCheck(check, "", false)
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
// Verify that we are in sync
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
}
var checks structs.IndexedHealthChecks
retry.Run(t, func(r *retry.R) {
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
r.Fatalf("err: %v", err)
}
if got, want := len(checks.HealthChecks), 2; got != want {
r.Fatalf("got %d health checks want %d", got, want)
}
})
// Update the check output! Should be deferred
a.State.UpdateCheck(structs.NewCheckID("web", nil), api.HealthPassing, "output")
// We are going to wait up to 850ms for the deferred check update to run. The update
// can happen any time within: check_update_interval / 2 + random(min: 0, max: check_update_interval)
// For this test that means it will get deferred for 250ms - 750ms. We add up to 100ms on top of that to
// account for potentially slow tests on a overloaded system.
timer := &retry.Timer{Timeout: 850 * time.Millisecond, Wait: 50 * time.Millisecond}
start := time.Now()
retry.RunWith(timer, t, func(r *retry.R) {
cs := a.State.CheckState(structs.NewCheckID("web", nil))
if cs == nil {
r.Fatalf("check is not registered")
}
if cs.DeferCheck != nil {
r.Fatalf("Deferred Check timeout not removed yet")
}
})
elapsed := time.Since(start)
// ensure the check deferral didn't update too fast
if elapsed < 240*time.Millisecond {
t.Fatalf("early update: elapsed %v\n\n%+v", elapsed, checks)
}
// ensure the check deferral didn't update too late
if elapsed > 850*time.Millisecond {
t.Fatalf("late update: elapsed: %v\n\n%+v", elapsed, checks)
}
// Wait for a deferred update. TODO (slackpad) This isn't a great test
// because we might be stuck in the random stagger from the full sync
// after the leader election (~3 seconds) so it's easy to exceed the
// default retry timeout here. Extending this makes the test a little
// less flaky, but this isn't very clean for this first deferred update
// since the full sync might pick it up, not the timer trigger. The
// good news is that the later update below should be well past the full
// sync so we are getting some coverage. We should rethink this a bit and
// rework the deferred update stuff to be more testable.
//
// TODO - figure out why after the deferred check calls TriggerSyncChanges that this
// takes so long to happen. I have seen it take upwards of 1.5s before the check gets
// synced.
timer = &retry.Timer{Timeout: 6 * time.Second, Wait: 100 * time.Millisecond}
retry.RunWith(timer, t, func(r *retry.R) {
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
r.Fatalf("err: %v", err)
}
// Verify updated
for _, chk := range checks.HealthChecks {
switch chk.CheckID {
case "web":
if chk.Output != "output" {
r.Fatalf("no update: %v", chk)
}
}
}
})
// Change the output in the catalog to force it out of sync.
eCopy := check.Clone()
eCopy.Output = "changed"
reg := structs.RegisterRequest{
Datacenter: a.Config.Datacenter,
Node: a.Config.NodeName,
Address: a.Config.AdvertiseAddrLAN.IP.String(),
TaggedAddresses: a.Config.TaggedAddresses,
Check: eCopy,
WriteRequest: structs.WriteRequest{},
}
var out struct{}
if err := a.RPC(context.Background(), "Catalog.Register", &reg, &out); err != nil {
t.Fatalf("err: %s", err)
}
// Verify that the output is out of sync.
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
t.Fatalf("err: %v", err)
}
for _, chk := range checks.HealthChecks {
switch chk.CheckID {
case "web":
if chk.Output != "changed" {
t.Fatalf("unexpected update: %v", chk)
}
}
}
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
// Verify that the output was synced back to the agent's value.
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
t.Fatalf("err: %v", err)
}
for _, chk := range checks.HealthChecks {
switch chk.CheckID {
case "web":
if chk.Output != "output" {
t.Fatalf("missed update: %v", chk)
}
}
}
// Reset the catalog again.
if err := a.RPC(context.Background(), "Catalog.Register", &reg, &out); err != nil {
t.Fatalf("err: %s", err)
}
// Verify that the output is out of sync.
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
t.Fatalf("err: %v", err)
}
for _, chk := range checks.HealthChecks {
switch chk.CheckID {
case "web":
if chk.Output != "changed" {
t.Fatalf("unexpected update: %v", chk)
}
}
}
// Now make an update that should be deferred.
a.State.UpdateCheck(structs.NewCheckID("web", nil), api.HealthPassing, "deferred")
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
// Verify that the output is still out of sync since there's a deferred
// update pending.
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
t.Fatalf("err: %v", err)
}
for _, chk := range checks.HealthChecks {
switch chk.CheckID {
case "web":
if chk.Output != "changed" {
t.Fatalf("unexpected update: %v", chk)
}
}
}
// Wait for the deferred update.
retry.Run(t, func(r *retry.R) {
if err := a.RPC(context.Background(), "Health.NodeChecks", &req, &checks); err != nil {
r.Fatal(err)
}
// Verify updated
for _, chk := range checks.HealthChecks {
switch chk.CheckID {
case "web":
if chk.Output != "deferred" {
r.Fatalf("no update: %v", chk)
}
}
}
})
}
func TestAgentAntiEntropy_NodeInfo(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
nodeID := types.NodeID("40e4a748-2192-161a-0510-9bf59fe950b5")
nodeMeta := map[string]string{
"somekey": "somevalue",
}
a := &agent.TestAgent{HCL: `
node_id = "40e4a748-2192-161a-0510-9bf59fe950b5"
node_meta {
somekey = "somevalue"
}
locality {
region = "us-west-1"
zone = "us-west-1a"
}`}
if err := a.Start(t); err != nil {
t.Fatal(err)
}
defer a.Shutdown()
testrpc.WaitForLeader(t, a.RPC, "dc1")
// Register info
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
Address: "127.0.0.1",
}
var out struct{}
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: a.Config.NodeName,
}
var services structs.IndexedNodeServices
if err := a.RPC(context.Background(), "Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
id := services.NodeServices.Node.ID
addrs := services.NodeServices.Node.TaggedAddresses
meta := services.NodeServices.Node.Meta
nodeLocality := services.NodeServices.Node.Locality
delete(meta, structs.MetaSegmentKey) // Added later, not in config.
delete(meta, structs.MetaConsulVersion) // Added later, not in config.
require.Equal(t, a.Config.NodeID, id)
require.Equal(t, a.Config.TaggedAddresses, addrs)
require.Equal(t, a.Config.StructLocality(), nodeLocality)
require.Equal(t, unNilMap(a.Config.NodeMeta), meta)
// Blow away the catalog version of the node info
if err := a.RPC(context.Background(), "Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
if err := a.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
// Wait for the sync - this should have been a sync of just the node info
if err := a.RPC(context.Background(), "Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
{
id := services.NodeServices.Node.ID
addrs := services.NodeServices.Node.TaggedAddresses
meta := services.NodeServices.Node.Meta
nodeLocality := services.NodeServices.Node.Locality
delete(meta, structs.MetaSegmentKey) // Added later, not in config.
delete(meta, structs.MetaConsulVersion) // Added later, not in config.
require.Equal(t, nodeID, id)
require.Equal(t, a.Config.TaggedAddresses, addrs)
require.Equal(t, a.Config.StructLocality(), nodeLocality)
require.Equal(t, nodeMeta, meta)
}
}
func TestState_ServiceTokens(t *testing.T) {
tokens := new(token.Store)
cfg := loadRuntimeConfig(t, `bind_addr = "127.0.0.1" data_dir = "dummy" node_name = "dummy"`)
l := local.NewState(agent.LocalConfig(cfg), nil, tokens)
l.TriggerSyncChanges = func() {}
id := structs.NewServiceID("redis", nil)
t.Run("defaults to empty string", func(t *testing.T) {
require.Equal(t, "", l.ServiceToken(id))
})
t.Run("empty string when there is no token", func(t *testing.T) {
err := l.AddServiceWithChecks(&structs.NodeService{ID: "redis"}, nil, "", false)
require.NoError(t, err)
require.Equal(t, "", l.ServiceToken(id))
})
t.Run("returns configured token", func(t *testing.T) {
err := l.AddServiceWithChecks(&structs.NodeService{ID: "redis"}, nil, "abc123", false)
require.NoError(t, err)
require.Equal(t, "abc123", l.ServiceToken(id))
})
t.Run("RemoveCheck keeps token around for the delete", func(t *testing.T) {
err := l.RemoveService(structs.NewServiceID("redis", nil))
require.NoError(t, err)
require.Equal(t, "abc123", l.ServiceToken(id))
})
}
func loadRuntimeConfig(t *testing.T, hcl string) *config.RuntimeConfig {
t.Helper()
result, err := config.Load(config.LoadOpts{HCL: []string{hcl}})
require.NoError(t, err)
require.Len(t, result.Warnings, 0)
return result.RuntimeConfig
}
func TestState_CheckTokens(t *testing.T) {
tokens := new(token.Store)
cfg := loadRuntimeConfig(t, `bind_addr = "127.0.0.1" data_dir = "dummy" node_name = "dummy"`)
l := local.NewState(agent.LocalConfig(cfg), nil, tokens)
l.TriggerSyncChanges = func() {}
id := structs.NewCheckID("mem", nil)
t.Run("defaults to empty string", func(t *testing.T) {
require.Equal(t, "", l.CheckToken(id))
})
t.Run("empty string when there is no token", func(t *testing.T) {
err := l.AddCheck(&structs.HealthCheck{CheckID: "mem"}, "", false)
require.NoError(t, err)
require.Equal(t, "", l.CheckToken(id))
})
t.Run("returns configured token", func(t *testing.T) {
err := l.AddCheck(&structs.HealthCheck{CheckID: "mem"}, "abc123", false)
require.NoError(t, err)
require.Equal(t, "abc123", l.CheckToken(id))
})
t.Run("RemoveCheck keeps token around for the delete", func(t *testing.T) {
err := l.RemoveCheck(structs.NewCheckID("mem", nil))
require.NoError(t, err)
require.Equal(t, "abc123", l.CheckToken(id))
})
}
func TestAgent_CheckCriticalTime(t *testing.T) {
t.Parallel()
cfg := loadRuntimeConfig(t, `bind_addr = "127.0.0.1" data_dir = "dummy" node_name = "dummy"`)
l := local.NewState(agent.LocalConfig(cfg), nil, new(token.Store))
l.TriggerSyncChanges = func() {}
svc := &structs.NodeService{ID: "redis", Service: "redis", Port: 8000}
l.AddServiceWithChecks(svc, nil, "", false)
// Add a passing check and make sure it's not critical.
checkID := types.CheckID("redis:1")
chk := &structs.HealthCheck{
Node: "node",
CheckID: checkID,
Name: "redis:1",
ServiceID: "redis",
Status: api.HealthPassing,
}
l.AddCheck(chk, "", false)
if checks := l.CriticalCheckStates(structs.DefaultEnterpriseMetaInDefaultPartition()); len(checks) > 0 {
t.Fatalf("should not have any critical checks")
}
// Set it to warning and make sure that doesn't show up as critical.
l.UpdateCheck(structs.NewCheckID(checkID, nil), api.HealthWarning, "")
if checks := l.CriticalCheckStates(structs.DefaultEnterpriseMetaInDefaultPartition()); len(checks) > 0 {
t.Fatalf("should not have any critical checks")
}
// Fail the check and make sure the time looks reasonable.
l.UpdateCheck(structs.NewCheckID(checkID, nil), api.HealthCritical, "")
if c, ok := l.CriticalCheckStates(structs.DefaultEnterpriseMetaInDefaultPartition())[structs.NewCheckID(checkID, nil)]; !ok {
t.Fatalf("should have a critical check")
} else if c.CriticalFor() > time.Millisecond {
t.Fatalf("bad: %#v, check was critical for %v", c, c.CriticalFor())
}
// Wait a while, then fail it again and make sure the time keeps track
// of the initial failure, and doesn't reset here. Since we are sleeping for
// 50ms the check should not be any less than that.
time.Sleep(50 * time.Millisecond)
l.UpdateCheck(chk.CompoundCheckID(), api.HealthCritical, "")
if c, ok := l.CriticalCheckStates(structs.DefaultEnterpriseMetaInDefaultPartition())[structs.NewCheckID(checkID, nil)]; !ok {
t.Fatalf("should have a critical check")
} else if c.CriticalFor() < 50*time.Millisecond {
t.Fatalf("bad: %#v, check was critical for %v", c, c.CriticalFor())
}
// Set it passing again.
l.UpdateCheck(structs.NewCheckID(checkID, nil), api.HealthPassing, "")
if checks := l.CriticalCheckStates(structs.DefaultEnterpriseMetaInDefaultPartition()); len(checks) > 0 {
t.Fatalf("should not have any critical checks")
}
// Fail the check and make sure the time looks like it started again
// from the latest failure, not the original one.
l.UpdateCheck(structs.NewCheckID(checkID, nil), api.HealthCritical, "")
if c, ok := l.CriticalCheckStates(structs.DefaultEnterpriseMetaInDefaultPartition())[structs.NewCheckID(checkID, nil)]; !ok {
t.Fatalf("should have a critical check")
} else if c.CriticalFor() > time.Millisecond {
t.Fatalf("bad: %#v, check was critical for %v", c, c.CriticalFor())
}
}
func TestAgent_AddCheckFailure(t *testing.T) {
t.Parallel()
cfg := loadRuntimeConfig(t, `bind_addr = "127.0.0.1" data_dir = "dummy" node_name = "dummy"`)
l := local.NewState(agent.LocalConfig(cfg), nil, new(token.Store))
l.TriggerSyncChanges = func() {}
// Add a check for a service that does not exist and verify that it fails
checkID := types.CheckID("redis:1")
chk := &structs.HealthCheck{
Node: "node",
CheckID: checkID,
Name: "redis:1",
ServiceID: "redis",
Status: api.HealthPassing,
}
wantErr := errors.New(`Check ID "redis:1" refers to non-existent service ID "redis"`)
got := l.AddCheck(chk, "", false)
require.Equal(t, wantErr, got)
}
func TestAgent_AliasCheck(t *testing.T) {
t.Parallel()
cfg := loadRuntimeConfig(t, `bind_addr = "127.0.0.1" data_dir = "dummy" node_name = "dummy"`)
l := local.NewState(agent.LocalConfig(cfg), nil, new(token.Store))
l.TriggerSyncChanges = func() {}
// Add checks
require.NoError(t, l.AddServiceWithChecks(&structs.NodeService{Service: "s1"}, nil, "", false))
require.NoError(t, l.AddServiceWithChecks(&structs.NodeService{Service: "s2"}, nil, "", false))
require.NoError(t, l.AddCheck(&structs.HealthCheck{CheckID: types.CheckID("c1"), ServiceID: "s1"}, "", false))
require.NoError(t, l.AddCheck(&structs.HealthCheck{CheckID: types.CheckID("c2"), ServiceID: "s2"}, "", false))
// Add an alias
notifyCh := make(chan struct{}, 1)
require.NoError(t, l.AddAliasCheck(structs.NewCheckID(types.CheckID("a1"), nil), structs.NewServiceID("s1", nil), notifyCh))
// Update and verify we get notified
l.UpdateCheck(structs.NewCheckID(types.CheckID("c1"), nil), api.HealthCritical, "")
select {
case <-notifyCh:
default:
t.Fatal("notify not received")
}
// Update again and verify we do not get notified
l.UpdateCheck(structs.NewCheckID(types.CheckID("c1"), nil), api.HealthCritical, "")
select {
case <-notifyCh:
t.Fatal("notify received")
default:
}
// Update other check and verify we do not get notified
l.UpdateCheck(structs.NewCheckID(types.CheckID("c2"), nil), api.HealthCritical, "")
select {
case <-notifyCh:
t.Fatal("notify received")
default:
}
// Update change and verify we get notified
l.UpdateCheck(structs.NewCheckID(types.CheckID("c1"), nil), api.HealthPassing, "")
select {
case <-notifyCh:
default:
t.Fatal("notify not received")
}
}
func TestAgent_AliasCheck_ServiceNotification(t *testing.T) {
t.Parallel()
cfg := loadRuntimeConfig(t, `bind_addr = "127.0.0.1" data_dir = "dummy" node_name = "dummy"`)
l := local.NewState(agent.LocalConfig(cfg), nil, new(token.Store))
l.TriggerSyncChanges = func() {}
// Add an alias check for service s1
notifyCh := make(chan struct{}, 1)
require.NoError(t, l.AddAliasCheck(structs.NewCheckID(types.CheckID("a1"), nil), structs.NewServiceID("s1", nil), notifyCh))
// Add aliased service, s1, and verify we get notified
require.NoError(t, l.AddServiceWithChecks(&structs.NodeService{Service: "s1"}, nil, "", false))
select {
case <-notifyCh:
default:
t.Fatal("notify not received")
}
// Re-adding same service should not lead to a notification
require.NoError(t, l.AddServiceWithChecks(&structs.NodeService{Service: "s1"}, nil, "", false))
select {
case <-notifyCh:
t.Fatal("notify received")
default:
}
// Add different service and verify we do not get notified
require.NoError(t, l.AddServiceWithChecks(&structs.NodeService{Service: "s2"}, nil, "", false))
select {
case <-notifyCh:
t.Fatal("notify received")
default:
}
// Delete service and verify we get notified
require.NoError(t, l.RemoveService(structs.NewServiceID("s1", nil)))
select {
case <-notifyCh:
default:
t.Fatal("notify not received")
}
// Delete different service and verify we do not get notified
require.NoError(t, l.RemoveService(structs.NewServiceID("s2", nil)))
select {
case <-notifyCh:
t.Fatal("notify received")
default:
}
}
func TestAgent_sendCoordinate(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := agent.StartTestAgent(t, agent.TestAgent{Overrides: `
sync_coordinate_interval_min = "1ms"
sync_coordinate_rate_target = 10.0
consul = {
coordinate = {
update_period = "100ms"
update_batch_size = 10
update_max_batches = 1
}
}
`})
defer a.Shutdown()
testrpc.WaitForLeader(t, a.RPC, "dc1")
t.Logf("%d %d %s",
a.Config.ConsulCoordinateUpdateBatchSize,
a.Config.ConsulCoordinateUpdateMaxBatches,
a.Config.ConsulCoordinateUpdatePeriod.String())
// Make sure the coordinate is present.
req := structs.DCSpecificRequest{
Datacenter: a.Config.Datacenter,
}
var reply structs.IndexedCoordinates
retry.Run(t, func(r *retry.R) {
if err := a.RPC(context.Background(), "Coordinate.ListNodes", &req, &reply); err != nil {
r.Fatalf("err: %s", err)
}
if len(reply.Coordinates) != 1 {
r.Fatalf("expected a coordinate: %v", reply)
}
coord := reply.Coordinates[0]
if coord.Node != a.Config.NodeName || coord.Coord == nil {
r.Fatalf("bad: %v", coord)
}
})
}
func servicesInSync(state *local.State, wantServices int, entMeta *acl.EnterpriseMeta) error {
services := state.ServiceStates(entMeta)
if got, want := len(services), wantServices; got != want {
return fmt.Errorf("got %d services want %d", got, want)
}
for id, s := range services {
if !s.InSync {
return fmt.Errorf("service ID %q should be in sync %+v", id.String(), s)
}
}
return nil
}
func checksInSync(state *local.State, wantChecks int, entMeta *acl.EnterpriseMeta) error {
checks := state.CheckStates(entMeta)
if got, want := len(checks), wantChecks; got != want {
return fmt.Errorf("got %d checks want %d", got, want)
}
for id, c := range checks {
if !c.InSync {
return fmt.Errorf("check %q should be in sync", id.String())
}
}
return nil
}
func TestState_RemoveServiceErrorMessages(t *testing.T) {
state := local.NewState(local.Config{}, hclog.New(nil), &token.Store{})
// Stub state syncing
state.TriggerSyncChanges = func() {}
// Add 1 service
err := state.AddServiceWithChecks(&structs.NodeService{
ID: "web-id",
Service: "web-name",
}, nil, "", false)
require.NoError(t, err)
// Attempt to remove service that doesn't exist
sid := structs.NewServiceID("db", nil)
err = state.RemoveService(sid)
require.Contains(t, err.Error(), fmt.Sprintf(`Unknown service ID %q`, sid))
// Attempt to remove service by name (which isn't valid)
sid2 := structs.NewServiceID("web-name", nil)
err = state.RemoveService(sid2)
require.Contains(t, err.Error(), fmt.Sprintf(`Unknown service ID %q`, sid2))
// Attempt to remove service by id (valid)
err = state.RemoveService(structs.NewServiceID("web-id", nil))
require.NoError(t, err)
}
func TestState_Notify(t *testing.T) {
t.Parallel()
logger := hclog.New(&hclog.LoggerOptions{
Output: os.Stderr,
})
state := local.NewState(local.Config{},
logger, &token.Store{})
// Stub state syncing
state.TriggerSyncChanges = func() {}
// Register a notifier
notifyCh := make(chan struct{}, 1)
state.Notify(notifyCh)
defer state.StopNotify(notifyCh)
assert.Empty(t, notifyCh)
drainCh(notifyCh)
// Add a service
err := state.AddServiceWithChecks(&structs.NodeService{
Service: "web",
}, nil, "fake-token-web", false)
require.NoError(t, err)
// Should have a notification
assert.NotEmpty(t, notifyCh)
drainCh(notifyCh)
// Re-Add same service
err = state.AddServiceWithChecks(&structs.NodeService{
Service: "web",
Port: 4444,
}, nil, "fake-token-web", false)
require.NoError(t, err)
// Should have a notification
assert.NotEmpty(t, notifyCh)
drainCh(notifyCh)
// Remove service
require.NoError(t, state.RemoveService(structs.NewServiceID("web", nil)))
// Should have a notification
assert.NotEmpty(t, notifyCh)
drainCh(notifyCh)
// Stopping should... stop
state.StopNotify(notifyCh)
// Add a service
err = state.AddServiceWithChecks(&structs.NodeService{
Service: "web",
}, nil, "fake-token-web", false)
require.NoError(t, err)
// Should NOT have a notification
assert.Empty(t, notifyCh)
drainCh(notifyCh)
}
// Test that alias check is updated after AddCheck, UpdateCheck, and RemoveCheck for the same service id
func TestAliasNotifications_local(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := agent.NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
// Register service with a failing TCP check
svcID := "socat"
srv := &structs.NodeService{
ID: svcID,
Service: "echo",
Tags: []string{},
Address: "127.0.0.10",
Port: 8080,
}
a.State.AddServiceWithChecks(srv, nil, "", false)
scID := "socat-sidecar-proxy"
sc := &structs.NodeService{
ID: scID,
Service: scID,
Tags: []string{},
Address: "127.0.0.10",
Port: 9090,
}
a.State.AddServiceWithChecks(sc, nil, "", false)
tcpID := types.CheckID("service:socat-tcp")
chk0 := &structs.HealthCheck{
Node: "",
CheckID: tcpID,
Name: "tcp check",
Status: api.HealthPassing,
ServiceID: svcID,
}
a.State.AddCheck(chk0, "", false)
// Register an alias for the service
proxyID := types.CheckID("service:socat-sidecar-proxy:2")
chk1 := &structs.HealthCheck{
Node: "",
CheckID: proxyID,
Name: "Connect Sidecar Aliasing socat",
Status: api.HealthPassing,
ServiceID: scID,
}
chkt := &structs.CheckType{
AliasService: svcID,
}
require.NoError(t, a.AddCheck(chk1, chkt, true, "", agent.ConfigSourceLocal), false)
// Add a failing check to the same service ID, alias should also fail
maintID := types.CheckID("service:socat-maintenance")
chk2 := &structs.HealthCheck{
Node: "",
CheckID: maintID,
Name: "socat:Service Maintenance Mode",
Status: api.HealthCritical,
ServiceID: svcID,
}
a.State.AddCheck(chk2, "", false)
retry.Run(t, func(r *retry.R) {
check := a.State.Check(structs.NewCheckID(proxyID, nil))
require.NotNil(r, check)
require.Equal(r, api.HealthCritical, check.Status)
})
// Remove the failing check, alias should pass
a.State.RemoveCheck(structs.NewCheckID(maintID, nil))
retry.Run(t, func(r *retry.R) {
check := a.State.Check(structs.NewCheckID(proxyID, nil))
require.NotNil(r, check)
require.Equal(r, api.HealthPassing, check.Status)
})
// Update TCP check to failing, alias should fail
a.State.UpdateCheck(structs.NewCheckID(tcpID, nil), api.HealthCritical, "")
retry.Run(t, func(r *retry.R) {
check := a.State.Check(structs.NewCheckID(proxyID, nil))
require.NotNil(r, check)
require.Equal(r, api.HealthCritical, check.Status)
})
}
// drainCh drains a channel by reading messages until it would block.
func drainCh(ch chan struct{}) {
for {
select {
case <-ch:
default:
return
}
}
}
func TestState_SyncChanges_DuplicateAddServiceOnlySyncsOnce(t *testing.T) {
state := local.NewState(local.Config{}, hclog.New(nil), new(token.Store))
rpc := &fakeRPC{}
state.Delegate = rpc
state.TriggerSyncChanges = func() {}
srv := &structs.NodeService{
Kind: structs.ServiceKindTypical,
ID: "the-service-id",
Service: "web",
EnterpriseMeta: *structs.DefaultEnterpriseMetaInDefaultPartition(),
}
checks := []*structs.HealthCheck{
{Node: "this-node", CheckID: "the-id-1", Name: "check-healthy-1"},
{Node: "this-node", CheckID: "the-id-2", Name: "check-healthy-2"},
}
tok := "the-token"
err := state.AddServiceWithChecks(srv, checks, tok, false)
require.NoError(t, err)
require.NoError(t, state.SyncChanges())
// 4 rpc calls, one node register, one service register, two checks
require.Len(t, rpc.calls, 4)
// adding the service again should not catalog register
err = state.AddServiceWithChecks(srv, checks, tok, false)
require.NoError(t, err)
require.NoError(t, state.SyncChanges())
require.Len(t, rpc.calls, 4)
}
type fakeRPC struct {
calls []callRPC
}
type callRPC struct {
method string
args interface{}
reply interface{}
}
func (f *fakeRPC) RPC(ctx context.Context, method string, args interface{}, reply interface{}) error {
f.calls = append(f.calls, callRPC{method: method, args: args, reply: reply})
return nil
}
func (f *fakeRPC) ResolveTokenAndDefaultMeta(string, *acl.EnterpriseMeta, *acl.AuthorizerContext) (resolver.Result, error) {
return resolver.Result{}, nil
}