traefik/integration/redis_test.go
Baptiste Mayelle 3dfaa3d5fa
Add Redis Sentinel support
Co-authored-by: Romain <rtribotte@users.noreply.github.com>
2024-01-02 16:16:05 +01:00

337 lines
11 KiB
Go

package integration
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io/fs"
"net"
"net/http"
"os"
"path/filepath"
"strings"
"text/template"
"time"
"github.com/fatih/structs"
"github.com/go-check/check"
"github.com/kvtools/redis"
"github.com/kvtools/valkeyrie"
"github.com/kvtools/valkeyrie/store"
"github.com/pmezard/go-difflib/difflib"
"github.com/traefik/traefik/v2/integration/try"
"github.com/traefik/traefik/v2/pkg/api"
checker "github.com/vdemeester/shakers"
)
// Redis test suites.
type RedisSuite struct {
BaseSuite
kvClient store.Store
redisEndpoints []string
}
func (s *RedisSuite) TearDownSuite(c *check.C) {
s.composeDown(c)
for _, filename := range []string{"sentinel1.conf", "sentinel2.conf", "sentinel3.conf"} {
err := os.Remove(filepath.Join(".", "resources", "compose", "config", filename))
if err != nil && !errors.Is(err, fs.ErrNotExist) {
c.Fatal("unable to clean configuration file for sentinel: ", err)
}
}
}
func (s *RedisSuite) setupStore(c *check.C) {
s.createComposeProject(c, "redis")
s.composeUp(c)
s.redisEndpoints = []string{}
s.redisEndpoints = append(s.redisEndpoints, net.JoinHostPort(s.getComposeServiceIP(c, "redis"), "6379"))
kv, err := valkeyrie.NewStore(
context.Background(),
redis.StoreName,
s.redisEndpoints,
&redis.Config{},
)
if err != nil {
c.Fatal("Cannot create store redis: ", err)
}
s.kvClient = kv
// wait for redis
err = try.Do(60*time.Second, try.KVExists(kv, "test"))
c.Assert(err, checker.IsNil)
}
func (s *RedisSuite) TestSimpleConfiguration(c *check.C) {
s.setupStore(c)
file := s.adaptFile(c, "fixtures/redis/simple.toml", struct{ RedisAddress string }{
RedisAddress: strings.Join(s.redisEndpoints, ","),
})
defer os.Remove(file)
data := map[string]string{
"traefik/http/routers/Router0/entryPoints/0": "web",
"traefik/http/routers/Router0/middlewares/0": "compressor",
"traefik/http/routers/Router0/middlewares/1": "striper",
"traefik/http/routers/Router0/service": "simplesvc",
"traefik/http/routers/Router0/rule": "Host(`kv1.localhost`)",
"traefik/http/routers/Router0/priority": "42",
"traefik/http/routers/Router0/tls": "true",
"traefik/http/routers/Router1/rule": "Host(`kv2.localhost`)",
"traefik/http/routers/Router1/priority": "42",
"traefik/http/routers/Router1/tls/domains/0/main": "aaa.localhost",
"traefik/http/routers/Router1/tls/domains/0/sans/0": "aaa.aaa.localhost",
"traefik/http/routers/Router1/tls/domains/0/sans/1": "bbb.aaa.localhost",
"traefik/http/routers/Router1/tls/domains/1/main": "bbb.localhost",
"traefik/http/routers/Router1/tls/domains/1/sans/0": "aaa.bbb.localhost",
"traefik/http/routers/Router1/tls/domains/1/sans/1": "bbb.bbb.localhost",
"traefik/http/routers/Router1/entryPoints/0": "web",
"traefik/http/routers/Router1/service": "simplesvc",
"traefik/http/services/simplesvc/loadBalancer/servers/0/url": "http://10.0.1.1:8888",
"traefik/http/services/simplesvc/loadBalancer/servers/1/url": "http://10.0.1.1:8889",
"traefik/http/services/srvcA/loadBalancer/servers/0/url": "http://10.0.1.2:8888",
"traefik/http/services/srvcA/loadBalancer/servers/1/url": "http://10.0.1.2:8889",
"traefik/http/services/srvcB/loadBalancer/servers/0/url": "http://10.0.1.3:8888",
"traefik/http/services/srvcB/loadBalancer/servers/1/url": "http://10.0.1.3:8889",
"traefik/http/services/mirror/mirroring/service": "simplesvc",
"traefik/http/services/mirror/mirroring/mirrors/0/name": "srvcA",
"traefik/http/services/mirror/mirroring/mirrors/0/percent": "42",
"traefik/http/services/mirror/mirroring/mirrors/1/name": "srvcB",
"traefik/http/services/mirror/mirroring/mirrors/1/percent": "42",
"traefik/http/services/Service03/weighted/services/0/name": "srvcA",
"traefik/http/services/Service03/weighted/services/0/weight": "42",
"traefik/http/services/Service03/weighted/services/1/name": "srvcB",
"traefik/http/services/Service03/weighted/services/1/weight": "42",
"traefik/http/middlewares/compressor/compress": "true",
"traefik/http/middlewares/striper/stripPrefix/prefixes/0": "foo",
"traefik/http/middlewares/striper/stripPrefix/prefixes/1": "bar",
"traefik/http/middlewares/striper/stripPrefix/forceSlash": "true",
}
for k, v := range data {
err := s.kvClient.Put(context.Background(), k, []byte(v), nil)
c.Assert(err, checker.IsNil)
}
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 2*time.Second,
try.BodyContains(`"striper@redis":`, `"compressor@redis":`, `"srvcA@redis":`, `"srvcB@redis":`),
)
c.Assert(err, checker.IsNil)
resp, err := http.Get("http://127.0.0.1:8080/api/rawdata")
c.Assert(err, checker.IsNil)
var obtained api.RunTimeRepresentation
err = json.NewDecoder(resp.Body).Decode(&obtained)
c.Assert(err, checker.IsNil)
got, err := json.MarshalIndent(obtained, "", " ")
c.Assert(err, checker.IsNil)
expectedJSON := filepath.FromSlash("testdata/rawdata-redis.json")
if *updateExpected {
err = os.WriteFile(expectedJSON, got, 0o666)
c.Assert(err, checker.IsNil)
}
expected, err := os.ReadFile(expectedJSON)
c.Assert(err, checker.IsNil)
if !bytes.Equal(expected, got) {
diff := difflib.UnifiedDiff{
FromFile: "Expected",
A: difflib.SplitLines(string(expected)),
ToFile: "Got",
B: difflib.SplitLines(string(got)),
Context: 3,
}
text, err := difflib.GetUnifiedDiffString(diff)
c.Assert(err, checker.IsNil)
c.Error(text)
}
}
func (s *RedisSuite) setupSentinelStore(c *check.C) {
s.setupSentinelConfiguration(c, []string{"26379", "36379", "46379"})
s.createComposeProject(c, "redis_sentinel")
s.composeUp(c)
s.redisEndpoints = []string{
net.JoinHostPort(s.getComposeServiceIP(c, "sentinel1"), "26379"),
net.JoinHostPort(s.getComposeServiceIP(c, "sentinel2"), "36379"),
net.JoinHostPort(s.getComposeServiceIP(c, "sentinel3"), "46379"),
}
kv, err := valkeyrie.NewStore(
context.Background(),
redis.StoreName,
s.redisEndpoints,
&redis.Config{
Sentinel: &redis.Sentinel{
MasterName: "mymaster",
},
},
)
if err != nil {
c.Fatal("Cannot create store redis sentinel")
}
s.kvClient = kv
// wait for redis
err = try.Do(60*time.Second, try.KVExists(kv, "test"))
c.Assert(err, checker.IsNil)
}
func (s *RedisSuite) setupSentinelConfiguration(c *check.C, ports []string) {
for i, port := range ports {
templateValue := struct{ SentinelPort string }{SentinelPort: port}
// Load file
templateFile := "resources/compose/config/sentinel_template.conf"
tmpl, err := template.ParseFiles(templateFile)
c.Assert(err, checker.IsNil)
folder, prefix := filepath.Split(templateFile)
fileName := fmt.Sprintf("%s/sentinel%d.conf", folder, i+1)
tmpFile, err := os.Create(fileName)
c.Assert(err, checker.IsNil)
defer tmpFile.Close()
model := structs.Map(templateValue)
model["SelfFilename"] = tmpFile.Name()
err = tmpl.ExecuteTemplate(tmpFile, prefix, model)
c.Assert(err, checker.IsNil)
err = tmpFile.Sync()
c.Assert(err, checker.IsNil)
}
}
func (s *RedisSuite) TestSentinelConfiguration(c *check.C) {
s.setupSentinelStore(c)
file := s.adaptFile(c, "fixtures/redis/sentinel.toml", struct{ RedisAddress string }{
RedisAddress: strings.Join(s.redisEndpoints, `","`),
})
defer os.Remove(file)
data := map[string]string{
"traefik/http/routers/Router0/entryPoints/0": "web",
"traefik/http/routers/Router0/middlewares/0": "compressor",
"traefik/http/routers/Router0/middlewares/1": "striper",
"traefik/http/routers/Router0/service": "simplesvc",
"traefik/http/routers/Router0/rule": "Host(`kv1.localhost`)",
"traefik/http/routers/Router0/priority": "42",
"traefik/http/routers/Router0/tls": "true",
"traefik/http/routers/Router1/rule": "Host(`kv2.localhost`)",
"traefik/http/routers/Router1/priority": "42",
"traefik/http/routers/Router1/tls/domains/0/main": "aaa.localhost",
"traefik/http/routers/Router1/tls/domains/0/sans/0": "aaa.aaa.localhost",
"traefik/http/routers/Router1/tls/domains/0/sans/1": "bbb.aaa.localhost",
"traefik/http/routers/Router1/tls/domains/1/main": "bbb.localhost",
"traefik/http/routers/Router1/tls/domains/1/sans/0": "aaa.bbb.localhost",
"traefik/http/routers/Router1/tls/domains/1/sans/1": "bbb.bbb.localhost",
"traefik/http/routers/Router1/entryPoints/0": "web",
"traefik/http/routers/Router1/service": "simplesvc",
"traefik/http/services/simplesvc/loadBalancer/servers/0/url": "http://10.0.1.1:8888",
"traefik/http/services/simplesvc/loadBalancer/servers/1/url": "http://10.0.1.1:8889",
"traefik/http/services/srvcA/loadBalancer/servers/0/url": "http://10.0.1.2:8888",
"traefik/http/services/srvcA/loadBalancer/servers/1/url": "http://10.0.1.2:8889",
"traefik/http/services/srvcB/loadBalancer/servers/0/url": "http://10.0.1.3:8888",
"traefik/http/services/srvcB/loadBalancer/servers/1/url": "http://10.0.1.3:8889",
"traefik/http/services/mirror/mirroring/service": "simplesvc",
"traefik/http/services/mirror/mirroring/mirrors/0/name": "srvcA",
"traefik/http/services/mirror/mirroring/mirrors/0/percent": "42",
"traefik/http/services/mirror/mirroring/mirrors/1/name": "srvcB",
"traefik/http/services/mirror/mirroring/mirrors/1/percent": "42",
"traefik/http/services/Service03/weighted/services/0/name": "srvcA",
"traefik/http/services/Service03/weighted/services/0/weight": "42",
"traefik/http/services/Service03/weighted/services/1/name": "srvcB",
"traefik/http/services/Service03/weighted/services/1/weight": "42",
"traefik/http/middlewares/compressor/compress": "true",
"traefik/http/middlewares/striper/stripPrefix/prefixes/0": "foo",
"traefik/http/middlewares/striper/stripPrefix/prefixes/1": "bar",
"traefik/http/middlewares/striper/stripPrefix/forceSlash": "true",
}
for k, v := range data {
err := s.kvClient.Put(context.Background(), k, []byte(v), nil)
c.Assert(err, checker.IsNil)
}
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 2*time.Second,
try.BodyContains(`"striper@redis":`, `"compressor@redis":`, `"srvcA@redis":`, `"srvcB@redis":`),
)
c.Assert(err, checker.IsNil)
resp, err := http.Get("http://127.0.0.1:8080/api/rawdata")
c.Assert(err, checker.IsNil)
var obtained api.RunTimeRepresentation
err = json.NewDecoder(resp.Body).Decode(&obtained)
c.Assert(err, checker.IsNil)
got, err := json.MarshalIndent(obtained, "", " ")
c.Assert(err, checker.IsNil)
expectedJSON := filepath.FromSlash("testdata/rawdata-redis.json")
if *updateExpected {
err = os.WriteFile(expectedJSON, got, 0o666)
c.Assert(err, checker.IsNil)
}
expected, err := os.ReadFile(expectedJSON)
c.Assert(err, checker.IsNil)
if !bytes.Equal(expected, got) {
diff := difflib.UnifiedDiff{
FromFile: "Expected",
A: difflib.SplitLines(string(expected)),
ToFile: "Got",
B: difflib.SplitLines(string(got)),
Context: 3,
}
text, err := difflib.GetUnifiedDiffString(diff)
c.Assert(err, checker.IsNil)
c.Error(text)
}
}