open-vault/physical/consul/consul_test.go

701 lines
16 KiB
Go

package consul
import (
"context"
"fmt"
"math/rand"
"os"
"reflect"
"strings"
"sync"
"testing"
"time"
"github.com/hashicorp/consul/api"
log "github.com/hashicorp/go-hclog"
"github.com/hashicorp/vault/helper/testhelpers/consul"
"github.com/hashicorp/vault/sdk/helper/logging"
"github.com/hashicorp/vault/sdk/helper/strutil"
"github.com/hashicorp/vault/sdk/physical"
)
type consulConf map[string]string
var (
addrCount int = 0
)
func testConsulBackend(t *testing.T) *ConsulBackend {
return testConsulBackendConfig(t, &consulConf{})
}
func testConsulBackendConfig(t *testing.T, conf *consulConf) *ConsulBackend {
logger := logging.NewVaultLogger(log.Debug)
be, err := NewConsulBackend(*conf, logger)
if err != nil {
t.Fatalf("Expected Consul to initialize: %v", err)
}
c, ok := be.(*ConsulBackend)
if !ok {
t.Fatalf("Expected ConsulBackend")
}
return c
}
func testConsul_testConsulBackend(t *testing.T) {
c := testConsulBackend(t)
if c == nil {
t.Fatalf("bad")
}
}
func testActiveFunc(activePct float64) physical.ActiveFunction {
return func() bool {
var active bool
standbyProb := rand.Float64()
if standbyProb > activePct {
active = true
}
return active
}
}
func testSealedFunc(sealedPct float64) physical.SealedFunction {
return func() bool {
var sealed bool
unsealedProb := rand.Float64()
if unsealedProb > sealedPct {
sealed = true
}
return sealed
}
}
func testPerformanceStandbyFunc(perfPct float64) physical.PerformanceStandbyFunction {
return func() bool {
var ps bool
unsealedProb := rand.Float64()
if unsealedProb > perfPct {
ps = true
}
return ps
}
}
func TestConsul_ServiceTags(t *testing.T) {
consulConfig := map[string]string{
"path": "seaTech/",
"service": "astronomy",
"service_tags": "deadbeef, cafeefac, deadc0de, feedface",
"redirect_addr": "http://127.0.0.2:8200",
"check_timeout": "6s",
"address": "127.0.0.2",
"scheme": "https",
"token": "deadbeef-cafeefac-deadc0de-feedface",
"max_parallel": "4",
"disable_registration": "false",
}
logger := logging.NewVaultLogger(log.Debug)
be, err := NewConsulBackend(consulConfig, logger)
if err != nil {
t.Fatal(err)
}
c, ok := be.(*ConsulBackend)
if !ok {
t.Fatalf("failed to create physical Consul backend")
}
expected := []string{"deadbeef", "cafeefac", "deadc0de", "feedface"}
actual := c.fetchServiceTags(false, false)
if !strutil.EquivalentSlices(actual, append(expected, "standby")) {
t.Fatalf("bad: expected:%s actual:%s", append(expected, "standby"), actual)
}
actual = c.fetchServiceTags(true, false)
if !strutil.EquivalentSlices(actual, append(expected, "active")) {
t.Fatalf("bad: expected:%s actual:%s", append(expected, "active"), actual)
}
actual = c.fetchServiceTags(false, true)
if !strutil.EquivalentSlices(actual, append(expected, "performance-standby")) {
t.Fatalf("bad: expected:%s actual:%s", append(expected, "performance-standby"), actual)
}
actual = c.fetchServiceTags(true, true)
if !strutil.EquivalentSlices(actual, append(expected, "performance-standby")) {
t.Fatalf("bad: expected:%s actual:%s", append(expected, "performance-standby"), actual)
}
}
func TestConsul_ServiceAddress(t *testing.T) {
tests := []struct {
consulConfig map[string]string
serviceAddrNil bool
}{
{
consulConfig: map[string]string{
"service_address": "",
},
},
{
consulConfig: map[string]string{
"service_address": "vault.example.com",
},
},
{
serviceAddrNil: true,
},
}
for _, test := range tests {
logger := logging.NewVaultLogger(log.Debug)
be, err := NewConsulBackend(test.consulConfig, logger)
if err != nil {
t.Fatalf("expected Consul to initialize: %v", err)
}
c, ok := be.(*ConsulBackend)
if !ok {
t.Fatalf("Expected ConsulBackend")
}
if test.serviceAddrNil {
if c.serviceAddress != nil {
t.Fatalf("expected service address to be nil")
}
} else {
if c.serviceAddress == nil {
t.Fatalf("did not expect service address to be nil")
}
}
}
}
func TestConsul_newConsulBackend(t *testing.T) {
tests := []struct {
name string
consulConfig map[string]string
fail bool
redirectAddr string
checkTimeout time.Duration
path string
service string
address string
scheme string
token string
max_parallel int
disableReg bool
consistencyMode string
}{
{
name: "Valid default config",
consulConfig: map[string]string{},
checkTimeout: 5 * time.Second,
redirectAddr: "http://127.0.0.1:8200",
path: "vault/",
service: "vault",
address: "127.0.0.1:8500",
scheme: "http",
token: "",
max_parallel: 4,
disableReg: false,
consistencyMode: "default",
},
{
name: "Valid modified config",
consulConfig: map[string]string{
"path": "seaTech/",
"service": "astronomy",
"redirect_addr": "http://127.0.0.2:8200",
"check_timeout": "6s",
"address": "127.0.0.2",
"scheme": "https",
"token": "deadbeef-cafeefac-deadc0de-feedface",
"max_parallel": "4",
"disable_registration": "false",
"consistency_mode": "strong",
},
checkTimeout: 6 * time.Second,
path: "seaTech/",
service: "astronomy",
redirectAddr: "http://127.0.0.2:8200",
address: "127.0.0.2",
scheme: "https",
token: "deadbeef-cafeefac-deadc0de-feedface",
max_parallel: 4,
consistencyMode: "strong",
},
{
name: "Unix socket",
consulConfig: map[string]string{
"address": "unix:///tmp/.consul.http.sock",
},
address: "/tmp/.consul.http.sock",
scheme: "http", // Default, not overridden?
// Defaults
checkTimeout: 5 * time.Second,
redirectAddr: "http://127.0.0.1:8200",
path: "vault/",
service: "vault",
token: "",
max_parallel: 4,
disableReg: false,
consistencyMode: "default",
},
{
name: "Scheme in address",
consulConfig: map[string]string{
"address": "https://127.0.0.2:5000",
},
address: "127.0.0.2:5000",
scheme: "https",
// Defaults
checkTimeout: 5 * time.Second,
redirectAddr: "http://127.0.0.1:8200",
path: "vault/",
service: "vault",
token: "",
max_parallel: 4,
disableReg: false,
consistencyMode: "default",
},
{
name: "check timeout too short",
fail: true,
consulConfig: map[string]string{
"check_timeout": "99ms",
},
},
}
for _, test := range tests {
logger := logging.NewVaultLogger(log.Debug)
be, err := NewConsulBackend(test.consulConfig, logger)
if test.fail {
if err == nil {
t.Fatalf(`Expected config "%s" to fail`, test.name)
} else {
continue
}
} else if !test.fail && err != nil {
t.Fatalf("Expected config %s to not fail: %v", test.name, err)
}
c, ok := be.(*ConsulBackend)
if !ok {
t.Fatalf("Expected ConsulBackend: %s", test.name)
}
c.disableRegistration = true
if c.disableRegistration == false {
addr := os.Getenv("CONSUL_HTTP_ADDR")
if addr == "" {
continue
}
}
var shutdownCh physical.ShutdownChannel
waitGroup := &sync.WaitGroup{}
if err := c.RunServiceDiscovery(waitGroup, shutdownCh, test.redirectAddr, testActiveFunc(0.5), testSealedFunc(0.5), testPerformanceStandbyFunc(0.5)); err != nil {
t.Fatalf("bad: %v", err)
}
if test.checkTimeout != c.checkTimeout {
t.Errorf("bad: %v != %v", test.checkTimeout, c.checkTimeout)
}
if test.path != c.path {
t.Errorf("bad: %s %v != %v", test.name, test.path, c.path)
}
if test.service != c.serviceName {
t.Errorf("bad: %v != %v", test.service, c.serviceName)
}
if test.consistencyMode != c.consistencyMode {
t.Errorf("bad consistency_mode value: %v != %v", test.consistencyMode, c.consistencyMode)
}
// The configuration stored in the Consul "client" object is not exported, so
// we either have to skip validating it, or add a method to export it, or use reflection.
consulConfig := reflect.Indirect(reflect.ValueOf(c.client)).FieldByName("config")
consulConfigScheme := consulConfig.FieldByName("Scheme").String()
consulConfigAddress := consulConfig.FieldByName("Address").String()
if test.scheme != consulConfigScheme {
t.Errorf("bad scheme value: %v != %v", test.scheme, consulConfigScheme)
}
if test.address != consulConfigAddress {
t.Errorf("bad address value: %v != %v", test.address, consulConfigAddress)
}
// FIXME(sean@): Unable to test max_parallel
// if test.max_parallel != cap(c.permitPool) {
// t.Errorf("bad: %v != %v", test.max_parallel, cap(c.permitPool))
// }
}
}
func TestConsul_serviceTags(t *testing.T) {
tests := []struct {
active bool
perfStandby bool
tags []string
}{
{
active: true,
perfStandby: false,
tags: []string{"active"},
},
{
active: false,
perfStandby: false,
tags: []string{"standby"},
},
{
active: false,
perfStandby: true,
tags: []string{"performance-standby"},
},
{
active: true,
perfStandby: true,
tags: []string{"performance-standby"},
},
}
c := testConsulBackend(t)
for _, test := range tests {
tags := c.fetchServiceTags(test.active, test.perfStandby)
if !reflect.DeepEqual(tags[:], test.tags[:]) {
t.Errorf("Bad %v: %v %v", test.active, tags, test.tags)
}
}
}
func TestConsul_setRedirectAddr(t *testing.T) {
tests := []struct {
addr string
host string
port int64
pass bool
}{
{
addr: "http://127.0.0.1:8200/",
host: "127.0.0.1",
port: 8200,
pass: true,
},
{
addr: "http://127.0.0.1:8200",
host: "127.0.0.1",
port: 8200,
pass: true,
},
{
addr: "https://127.0.0.1:8200",
host: "127.0.0.1",
port: 8200,
pass: true,
},
{
addr: "unix:///tmp/.vault.addr.sock",
host: "/tmp/.vault.addr.sock",
port: -1,
pass: true,
},
{
addr: "127.0.0.1:8200",
pass: false,
},
{
addr: "127.0.0.1",
pass: false,
},
}
for _, test := range tests {
c := testConsulBackend(t)
err := c.setRedirectAddr(test.addr)
if test.pass {
if err != nil {
t.Fatalf("bad: %v", err)
}
} else {
if err == nil {
t.Fatalf("bad, expected fail")
} else {
continue
}
}
if c.redirectHost != test.host {
t.Fatalf("bad: %v != %v", c.redirectHost, test.host)
}
if c.redirectPort != test.port {
t.Fatalf("bad: %v != %v", c.redirectPort, test.port)
}
}
}
func TestConsul_NotifyActiveStateChange(t *testing.T) {
c := testConsulBackend(t)
if err := c.NotifyActiveStateChange(); err != nil {
t.Fatalf("bad: %v", err)
}
}
func TestConsul_NotifySealedStateChange(t *testing.T) {
c := testConsulBackend(t)
if err := c.NotifySealedStateChange(); err != nil {
t.Fatalf("bad: %v", err)
}
}
func TestConsul_serviceID(t *testing.T) {
tests := []struct {
name string
redirectAddr string
serviceName string
expected string
valid bool
}{
{
name: "valid host w/o slash",
redirectAddr: "http://127.0.0.1:8200",
serviceName: "sea-tech-astronomy",
expected: "sea-tech-astronomy:127.0.0.1:8200",
valid: true,
},
{
name: "valid host w/ slash",
redirectAddr: "http://127.0.0.1:8200/",
serviceName: "sea-tech-astronomy",
expected: "sea-tech-astronomy:127.0.0.1:8200",
valid: true,
},
{
name: "valid https host w/ slash",
redirectAddr: "https://127.0.0.1:8200/",
serviceName: "sea-tech-astronomy",
expected: "sea-tech-astronomy:127.0.0.1:8200",
valid: true,
},
{
name: "invalid host name",
redirectAddr: "https://127.0.0.1:8200/",
serviceName: "sea_tech_astronomy",
expected: "",
valid: false,
},
}
logger := logging.NewVaultLogger(log.Debug)
for _, test := range tests {
be, err := NewConsulBackend(consulConf{
"service": test.serviceName,
}, logger)
if !test.valid {
if err == nil {
t.Fatalf("expected an error initializing for name %q", test.serviceName)
}
continue
}
if test.valid && err != nil {
t.Fatalf("expected Consul to initialize: %v", err)
}
c, ok := be.(*ConsulBackend)
if !ok {
t.Fatalf("Expected ConsulBackend")
}
if err := c.setRedirectAddr(test.redirectAddr); err != nil {
t.Fatalf("bad: %s %v", test.name, err)
}
serviceID := c.serviceID()
if serviceID != test.expected {
t.Fatalf("bad: %v != %v", serviceID, test.expected)
}
}
}
func TestConsulBackend(t *testing.T) {
consulToken := os.Getenv("CONSUL_HTTP_TOKEN")
addr := os.Getenv("CONSUL_HTTP_ADDR")
if addr == "" {
cleanup, connURL, token := consul.PrepareTestContainer(t, "1.4.4")
defer cleanup()
addr, consulToken = connURL, token
}
conf := api.DefaultConfig()
conf.Address = addr
conf.Token = consulToken
client, err := api.NewClient(conf)
if err != nil {
t.Fatalf("err: %v", err)
}
randPath := fmt.Sprintf("vault-%d/", time.Now().Unix())
defer func() {
client.KV().DeleteTree(randPath, nil)
}()
logger := logging.NewVaultLogger(log.Debug)
b, err := NewConsulBackend(map[string]string{
"address": conf.Address,
"path": randPath,
"max_parallel": "256",
"token": conf.Token,
}, logger)
if err != nil {
t.Fatalf("err: %s", err)
}
physical.ExerciseBackend(t, b)
physical.ExerciseBackend_ListPrefix(t, b)
}
func TestConsul_TooLarge(t *testing.T) {
consulToken := os.Getenv("CONSUL_HTTP_TOKEN")
addr := os.Getenv("CONSUL_HTTP_ADDR")
if addr == "" {
cleanup, connURL, token := consul.PrepareTestContainer(t, "1.4.4")
defer cleanup()
addr, consulToken = connURL, token
}
conf := api.DefaultConfig()
conf.Address = addr
conf.Token = consulToken
client, err := api.NewClient(conf)
if err != nil {
t.Fatalf("err: %v", err)
}
randPath := fmt.Sprintf("vault-%d/", time.Now().Unix())
defer func() {
client.KV().DeleteTree(randPath, nil)
}()
logger := logging.NewVaultLogger(log.Debug)
b, err := NewConsulBackend(map[string]string{
"address": conf.Address,
"path": randPath,
"max_parallel": "256",
"token": conf.Token,
}, logger)
if err != nil {
t.Fatalf("err: %s", err)
}
zeros := make([]byte, 600000, 600000)
n, err := rand.Read(zeros)
if n != 600000 {
t.Fatalf("expected 500k zeros, read %d", n)
}
if err != nil {
t.Fatal(err)
}
err = b.Put(context.Background(), &physical.Entry{
Key: "foo",
Value: zeros,
})
if err == nil {
t.Fatal("expected error")
}
if !strings.Contains(err.Error(), physical.ErrValueTooLarge) {
t.Fatalf("expected value too large error, got %v", err)
}
err = b.(physical.Transactional).Transaction(context.Background(), []*physical.TxnEntry{
{
Operation: physical.PutOperation,
Entry: &physical.Entry{
Key: "foo",
Value: zeros,
},
},
})
if err == nil {
t.Fatal("expected error")
}
if !strings.Contains(err.Error(), physical.ErrValueTooLarge) {
t.Fatalf("expected value too large error, got %v", err)
}
}
func TestConsulHABackend(t *testing.T) {
consulToken := os.Getenv("CONSUL_HTTP_TOKEN")
addr := os.Getenv("CONSUL_HTTP_ADDR")
if addr == "" {
cleanup, connURL, token := consul.PrepareTestContainer(t, "1.4.4")
defer cleanup()
addr, consulToken = connURL, token
}
conf := api.DefaultConfig()
conf.Address = addr
conf.Token = consulToken
client, err := api.NewClient(conf)
if err != nil {
t.Fatalf("err: %v", err)
}
randPath := fmt.Sprintf("vault-%d/", time.Now().Unix())
defer func() {
client.KV().DeleteTree(randPath, nil)
}()
logger := logging.NewVaultLogger(log.Debug)
config := map[string]string{
"address": conf.Address,
"path": randPath,
"max_parallel": "-1",
"token": conf.Token,
}
b, err := NewConsulBackend(config, logger)
if err != nil {
t.Fatalf("err: %s", err)
}
b2, err := NewConsulBackend(config, logger)
if err != nil {
t.Fatalf("err: %s", err)
}
physical.ExerciseHABackend(t, b.(physical.HABackend), b2.(physical.HABackend))
detect, ok := b.(physical.RedirectDetect)
if !ok {
t.Fatalf("consul does not implement RedirectDetect")
}
host, err := detect.DetectHostAddr()
if err != nil {
t.Fatalf("err: %s", err)
}
if host == "" {
t.Fatalf("bad addr: %v", host)
}
}