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main_test.go
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main_test.go
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package main
import (
"bytes"
"compress/gzip"
"context"
"crypto/tls"
"fmt"
"io"
"net"
"net/http"
"net/http/httptest"
"net/url"
"os"
"regexp"
"strconv"
"strings"
"sync"
"testing"
"time"
"github.com/alicebob/miniredis/v2"
"github.com/contentsquare/chproxy/cache"
"github.com/contentsquare/chproxy/config"
"github.com/contentsquare/chproxy/log"
"github.com/prometheus/client_golang/prometheus"
"github.com/stretchr/testify/assert"
"github.com/contentsquare/chproxy/global/types"
)
var (
testDir = "./temp-test-data"
labels = prometheus.Labels{}
redisPort = types.RedisPort
chPort = types.ClickHousePort
)
func TestMain(m *testing.M) {
log.SuppressOutput(true)
retCode := m.Run()
log.SuppressOutput(false)
if err := os.RemoveAll(testDir); err != nil {
log.Fatalf("cannot remove %q: %s", testDir, err)
}
if redisClient != nil {
redisClient.Close()
}
os.Exit(retCode)
}
var redisClient *miniredis.Miniredis
func TestServe(t *testing.T) {
expectedOkResp := "Ok.\n"
var testCases = []struct {
name string
file string
testFn func(t *testing.T)
listenFn func() (*http.Server, chan struct{})
}{
{
"https request",
"testdata/https.yml",
func(t *testing.T) {
req, err := http.NewRequest("GET", "https://127.0.0.1:8443?query=asd", nil)
checkErr(t, err)
resp, err := tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusUnauthorized {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusUnauthorized)
}
resp.Body.Close()
req, err = http.NewRequest("GET", "https://127.0.0.1:8443?query=asd", nil)
checkErr(t, err)
req.SetBasicAuth("default", "qwerty")
resp, err = tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusOK {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusOK)
}
resp.Body.Close()
},
startTLS,
},
{
"https cache",
"testdata/https.cache.yml",
func(t *testing.T) {
// do request which response must be cached
q := "SELECT 123"
req, err := http.NewRequest("GET", "https://127.0.0.1:8443?query="+url.QueryEscape(q), nil)
checkErr(t, err)
req.SetBasicAuth("default", "qwerty")
resp, err := tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusOK {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusOK)
}
checkResponse(t, resp.Body, expectedOkResp)
checkHeader(t, resp, "X-Cache", "MISS")
// check cached response
credHash, _ := calcCredentialHash("default", "qwerty")
key := &cache.Key{
Query: []byte(q),
AcceptEncoding: "gzip",
Version: cache.Version,
UserCredentialHash: credHash,
}
path := fmt.Sprintf("%s/cache/%s", testDir, key.String())
if _, err := os.Stat(path); err != nil {
t.Fatalf("err while getting file %q info: %s", path, err)
}
rw := httptest.NewRecorder()
cc := proxy.caches["https_cache"]
cachedData, err := cc.Get(key)
if err != nil {
t.Fatalf("unexpected error while getting response from cache: %s", err)
}
err = RespondWithData(rw, cachedData.Data, cachedData.ContentMetadata, cachedData.Ttl, XCacheHit, 200, labels)
if err != nil {
t.Fatalf("unexpected error while getting response from cache: %s", err)
}
checkResponse(t, rw.Body, expectedOkResp)
checkHeader(t, rw.Result(), "X-Cache", XCacheHit)
},
startTLS,
},
{
"https cache max payload size",
"testdata/https.cache.max-payload-size.yml",
func(t *testing.T) {
q := "SELECT MaxPayloadSize"
req, err := http.NewRequest("GET", "https://127.0.0.1:8443?query="+url.QueryEscape(q), nil)
checkErr(t, err)
req.SetBasicAuth("default", "qwerty")
req.Close = true
resp, err := tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusOK {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusOK)
}
checkResponse(t, resp.Body, expectedOkResp)
checkHeader(t, resp, "X-Cache", XCacheNA)
key := &cache.Key{
Query: []byte(q),
AcceptEncoding: "gzip",
Version: cache.Version,
}
cc := proxy.caches["https_cache_max_payload_size"]
cachedData, err := cc.Get(key)
if cachedData != nil || err == nil {
t.Fatal("response bigger than maxPayloadSize should not be cached")
}
resp.Body.Close()
},
startTLS,
},
{
"https cache max payload size not reached",
"testdata/https.cache.max-payload-size-not-reached.yml",
func(t *testing.T) {
q := "SELECT MaxPayloadSize"
req, err := http.NewRequest("GET", "https://127.0.0.1:8443?query="+url.QueryEscape(q), nil)
checkErr(t, err)
req.SetBasicAuth("default", "qwerty")
req.Close = true
resp, err := tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusOK {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusOK)
}
checkResponse(t, resp.Body, expectedOkResp)
credHash, _ := calcCredentialHash("default", "qwerty")
key := &cache.Key{
Query: []byte(q),
AcceptEncoding: "gzip",
Version: cache.Version,
UserCredentialHash: credHash,
}
rw := httptest.NewRecorder()
cc := proxy.caches["https_cache_max_payload_size"]
cachedData, err := cc.Get(key)
if err != nil {
t.Fatalf("unexpected error while getting response from cache: %s", err)
}
err = RespondWithData(rw, cachedData.Data, cachedData.ContentMetadata, cachedData.Ttl, XCacheHit, 200, labels)
if err != nil {
t.Fatalf("unexpected error while getting response from cache: %s", err)
}
checkResponse(t, rw.Body, expectedOkResp)
cachedData.Data.Close()
resp.Body.Close()
},
startTLS,
},
{
"https request body is not empty",
"testdata/https.yml",
func(t *testing.T) {
query := "SELECT SleepTimeout"
buf := bytes.NewBufferString(query)
req, err := http.NewRequest("POST", "https://127.0.0.1:8443", buf)
checkErr(t, err)
req.SetBasicAuth("default", "qwerty")
req.Close = true
resp, err := tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusGatewayTimeout {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusGatewayTimeout)
}
bodyBytes, err := io.ReadAll(resp.Body)
if err != nil {
t.Fatalf("error while reading body from response; err: %q", err)
}
b := string(bodyBytes)
if !strings.Contains(b, query) {
t.Fatalf("expected request body: %q; got: %q", query, b)
}
resp.Body.Close()
},
startTLS,
},
{
"https cache with mix query source",
"testdata/https.cache.yml",
func(t *testing.T) {
// do request which response must be cached
queryURLParam := "SELECT * FROM system.numbers"
queryBody := "LIMIT 10"
expectedQuery := queryURLParam + "\n" + queryBody
buf := bytes.NewBufferString(queryBody)
req, err := http.NewRequest("GET", "https://127.0.0.1:8443?query="+url.QueryEscape(queryURLParam), buf)
checkErr(t, err)
req.SetBasicAuth("default", "qwerty")
resp, err := tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusOK {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusOK)
}
resp.Body.Close()
// check cached response
credHash, _ := calcCredentialHash("default", "qwerty")
key := &cache.Key{
Query: []byte(expectedQuery),
AcceptEncoding: "gzip",
Version: cache.Version,
UserCredentialHash: credHash,
}
path := fmt.Sprintf("%s/cache/%s", testDir, key.String())
if _, err := os.Stat(path); err != nil {
t.Fatalf("err while getting file %q info: %s", path, err)
}
rw := httptest.NewRecorder()
cc := proxy.caches["https_cache"]
cachedData, err := cc.Get(key)
if err != nil {
t.Fatalf("unexpected error while writing reposnse from cache: %s", err)
}
err = RespondWithData(rw, cachedData.Data, cachedData.ContentMetadata, cachedData.Ttl, XCacheMiss, 200, labels)
if err != nil {
t.Fatalf("unexpected error while getting response from cache: %s", err)
}
expected := expectedOkResp
checkResponse(t, rw.Body, expected)
},
startTLS,
},
{
"bad https cache",
"testdata/https.cache.yml",
func(t *testing.T) {
// do request which cause an error
q := "SELECT ERROR"
req, err := http.NewRequest("GET", "https://127.0.0.1:8443?query="+url.QueryEscape(q), nil)
checkErr(t, err)
req.SetBasicAuth("default", "qwerty")
resp, err := tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusInternalServerError {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode,
http.StatusInternalServerError)
}
resp.Body.Close()
// check cached response
credHash, _ := calcCredentialHash("default", "qwerty")
key := &cache.Key{
Query: []byte(q),
AcceptEncoding: "gzip",
Version: cache.Version,
UserCredentialHash: credHash,
}
path := fmt.Sprintf("%s/cache/%s", testDir, key.String())
if _, err := os.Stat(path); !os.IsNotExist(err) {
t.Fatalf("err while getting file %q info: %s", path, err)
}
// check refreshCacheMetrics()
req, err = http.NewRequest("GET", "https://127.0.0.1:8443/metrics", nil)
checkErr(t, err)
resp, err = tlsClient.Do(req)
if err != nil {
t.Fatalf("unexpected error while doing request: %s", err)
}
if resp.StatusCode != http.StatusOK {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusOK)
}
resp.Body.Close()
},
startTLS,
},
{
"deny https",
"testdata/https.deny.https.yml",
func(t *testing.T) {
req, err := http.NewRequest("GET", "https://127.0.0.1:8443?query=asd", nil)
checkErr(t, err)
req.SetBasicAuth("default", "qwerty")
resp, err := tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusForbidden {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusForbidden)
}
expected := "user \"default\" is not allowed to access via https"
checkResponse(t, resp.Body, expected)
resp.Body.Close()
},
startTLS,
},
{
"https networks",
"testdata/https.networks.yml",
func(t *testing.T) {
req, err := http.NewRequest("GET", "https://127.0.0.1:8443?query=asd", nil)
checkErr(t, err)
req.SetBasicAuth("default", "qwerty")
resp, err := tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusForbidden {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusForbidden)
}
expected := "https connections are not allowed from 127.0.0.1"
checkResponse(t, resp.Body, expected)
resp.Body.Close()
},
startTLS,
},
{
"https user networks",
"testdata/https.user.networks.yml",
func(t *testing.T) {
req, err := http.NewRequest("GET", "https://127.0.0.1:8443?query=asd", nil)
checkErr(t, err)
req.SetBasicAuth("default", "qwerty")
resp, err := tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusForbidden {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusForbidden)
}
expected := "user \"default\" is not allowed to access"
checkResponse(t, resp.Body, expected)
resp.Body.Close()
},
startTLS,
},
{
"https cluster user networks",
"testdata/https.cluster.user.networks.yml",
func(t *testing.T) {
req, err := http.NewRequest("GET", "https://127.0.0.1:8443?query=asd", nil)
checkErr(t, err)
req.SetBasicAuth("default", "qwerty")
resp, err := tlsClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusForbidden {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusForbidden)
}
expected := "cluster user \"web\" is not allowed to access"
checkResponse(t, resp.Body, expected)
resp.Body.Close()
},
startTLS,
},
{
"routing",
"testdata/http.yml",
func(t *testing.T) {
req, err := http.NewRequest(http.MethodOptions, "http://127.0.0.1:9090?query=asd", nil)
checkErr(t, err)
resp, err := http.DefaultClient.Do(req)
checkErr(t, err)
expectedAllowHeader := "GET,POST"
if resp.Header.Get("Allow") != expectedAllowHeader {
t.Fatalf("header `Allow` got: %q; expected: %q", resp.Header.Get("Allow"), expectedAllowHeader)
}
resp.Body.Close()
req, err = http.NewRequest(http.MethodConnect, "http://127.0.0.1:9090?query=asd", nil)
checkErr(t, err)
resp, err = http.DefaultClient.Do(req)
checkErr(t, err)
expected := fmt.Sprintf("unsupported method %q", http.MethodConnect)
checkResponse(t, resp.Body, expected)
if resp.StatusCode != http.StatusMethodNotAllowed {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusMethodNotAllowed)
}
resp.Body.Close()
resp = httpGet(t, "http://127.0.0.1:9090/foobar", http.StatusBadRequest)
expected = fmt.Sprintf("unsupported path: \"/foobar\"")
checkResponse(t, resp.Body, expected)
resp.Body.Close()
},
startHTTP,
},
{
"http POST request with session id",
"testdata/http-session-id.yml",
func(t *testing.T) {
req, err := http.NewRequest("POST",
"http://127.0.0.1:9090/?query_id=45395792-a432-4b92-8cc9-536c14e1e1a9&extremes=0&session_id=default-session-id233",
bytes.NewBufferString("SELECT * FROM system.numbers LIMIT 10"))
req.Header.Set("Content-Type", "application/x-www-form-urlencoded;") // This makes it work
checkErr(t, err)
resp, err := http.DefaultClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusOK || resp.StatusCode != http.StatusOK && resp.Header.Get("X-Clickhouse-Server-Session-Id") == "" {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusOK)
}
resp.Body.Close()
},
startHTTP,
},
{
"http request",
"testdata/http.yml",
func(t *testing.T) {
httpGet(t, "http://127.0.0.1:9090?query=asd", http.StatusOK)
httpGet(t, "http://127.0.0.1:9090/metrics", http.StatusOK)
},
startHTTP,
},
{
"http requests with caching in redis ",
"testdata/http.cache.redis.yml",
func(t *testing.T) {
q := "SELECT redis_cache_mate"
req, err := http.NewRequest("GET", "http://127.0.0.1:9090?query="+url.QueryEscape(q), nil)
checkErr(t, err)
keys := redisClient.Keys()
// redis should be empty before the test
if len(keys) != 0 {
t.Fatalf("unexpected amount of keys in redis: %v", len(keys))
}
resp, err := httpRequest(t, req, http.StatusOK)
checkErr(t, err)
checkResponse(t, resp.Body, expectedOkResp)
resp2, err := httpRequest(t, req, http.StatusOK)
checkErr(t, err)
checkResponse(t, resp2.Body, expectedOkResp)
keys = redisClient.Keys()
if len(keys) != 2 { // expected 2 because there is a record stored for transaction and a cache item
t.Fatalf("unexpected amount of keys in redis: %v", len(keys))
}
// check cached response
credHash, _ := calcCredentialHash("default", "")
key := &cache.Key{
Query: []byte(q),
AcceptEncoding: "gzip",
Version: cache.Version,
UserCredentialHash: credHash,
}
duration := redisClient.TTL(key.String())
if duration > 1*time.Minute || duration < 30*time.Second {
t.Fatalf("ttl on redis key was wrongly set: %s", duration.String())
}
},
startHTTP,
},
{
"http requests with caching in redis (testcase for base64 encoding/decoding)",
"testdata/http.cache.redis.yml",
func(t *testing.T) {
redisClient.FlushAll()
q := "SELECT 1 FORMAT TabSeparatedWithNamesAndTypes"
keys := redisClient.Keys()
// redis should be empty before the test
if len(keys) != 0 {
t.Fatalf("unexpected amount of keys in redis: %v", len(keys))
}
req, err := http.NewRequest("GET", "http://127.0.0.1:9090?query="+url.QueryEscape(q), nil)
checkErr(t, err)
resp, err := httpRequest(t, req, http.StatusOK)
checkErr(t, err)
checkResponse(t, resp.Body, string(bytesWithInvalidUTFPairs))
resp2, err := httpRequest(t, req, http.StatusOK)
checkErr(t, err)
// if we do not use base64 to encode/decode the cached payload, EOF error will be thrown here.
checkResponse(t, resp2.Body, string(bytesWithInvalidUTFPairs))
keys = redisClient.Keys()
if len(keys) != 2 { // 2 because there is a record stored for transaction, and a cache item
t.Fatalf("unexpected amount of keys in redis: %v", len(keys))
}
},
startHTTP,
},
{
"http gzipped POST request",
"testdata/http.cache.yml",
func(t *testing.T) {
var buf bytes.Buffer
zw := gzip.NewWriter(&buf)
_, err := zw.Write([]byte("SELECT * FROM system.numbers LIMIT 10"))
checkErr(t, err)
zw.Close()
req, err := http.NewRequest("POST", "http://127.0.0.1:9090", &buf)
checkErr(t, err)
req.Header.Set("Content-Encoding", "gzip")
resp, err := http.DefaultClient.Do(req)
checkErr(t, err)
body, _ := io.ReadAll(resp.Body)
if resp.StatusCode != http.StatusOK {
t.Fatalf("unexpected status code: %d; expected: %d; body: %s", resp.StatusCode, http.StatusOK,
string(body))
}
resp.Body.Close()
},
startHTTP,
},
{
"http POST request",
"testdata/http.yml",
func(t *testing.T) {
buf := bytes.NewBufferString("SELECT * FROM system.numbers LIMIT 10")
req, err := http.NewRequest("POST", "http://127.0.0.1:9090", buf)
checkErr(t, err)
resp, err := http.DefaultClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusOK {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusOK)
}
resp.Body.Close()
},
startHTTP,
},
{
"http gzipped POST execution time",
"testdata/http.execution.time.yml",
func(t *testing.T) {
var buf bytes.Buffer
zw := gzip.NewWriter(&buf)
_, err := zw.Write([]byte("SELECT * FROM system.numbers LIMIT 1000"))
checkErr(t, err)
zw.Close()
req, err := http.NewRequest("POST", "http://127.0.0.1:9090", &buf)
checkErr(t, err)
req.Header.Set("Content-Encoding", "gzip")
resp, err := http.DefaultClient.Do(req)
checkErr(t, err)
if resp.StatusCode != http.StatusGatewayTimeout {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusGatewayTimeout)
}
resp.Body.Close()
},
startHTTP,
},
{
"deny http",
"testdata/http.deny.http.yml",
func(t *testing.T) {
resp := httpGet(t, "http://127.0.0.1:9090?query=asd", http.StatusForbidden)
expected := "user \"default\" is not allowed to access via http"
checkResponse(t, resp.Body, expected)
resp.Body.Close()
},
startHTTP,
},
{
"http networks",
"testdata/http.networks.yml",
func(t *testing.T) {
resp := httpGet(t, "http://127.0.0.1:9090?query=asd", http.StatusForbidden)
expected := "http connections are not allowed from 127.0.0.1"
checkResponse(t, resp.Body, expected)
resp.Body.Close()
},
startHTTP,
},
{
"http metrics networks",
"testdata/http.metrics.networks.yml",
func(t *testing.T) {
resp := httpGet(t, "http://127.0.0.1:9090/metrics", http.StatusForbidden)
expected := "connections to /metrics are not allowed from 127.0.0.1"
checkResponse(t, resp.Body, expected)
resp.Body.Close()
},
startHTTP,
},
{
"http metrics namespace",
"testdata/http.metrics.namespace.yml",
func(t *testing.T) {
resp := httpGet(t, "http://127.0.0.1:9090/metrics", http.StatusOK)
assert.GreaterOrEqual(t, len(getStringFromResponse(t, resp.Body)), 10000)
resp.Body.Close()
},
startHTTP,
},
{
"http user networks",
"testdata/http.user.networks.yml",
func(t *testing.T) {
resp := httpGet(t, "http://127.0.0.1:9090?query=asd", http.StatusForbidden)
expected := "user \"default\" is not allowed to access"
checkResponse(t, resp.Body, expected)
resp.Body.Close()
},
startHTTP,
},
{
"http cluster user networks",
"testdata/http.cluster.user.networks.yml",
func(t *testing.T) {
resp := httpGet(t, "http://127.0.0.1:9090?query=asd", http.StatusForbidden)
expected := "cluster user \"web\" is not allowed to access"
checkResponse(t, resp.Body, expected)
resp.Body.Close()
},
startHTTP,
},
{
"http shared cache for them user",
"testdata/http.shared.cache.yml",
func(t *testing.T) {
// actually we can check that cache-file is shared via metrics
// but it needs additional library for doing this
// so it would be just files amount check
cacheDir := "temp-test-data/shared_cache1"
checkFilesCount(t, cacheDir, 0)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user1_test1", http.StatusOK)
checkFilesCount(t, cacheDir, 1)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user1_test1", http.StatusOK)
// request from different user expected to be served with already cached,
// so count of files should be the same
checkFilesCount(t, cacheDir, 1)
},
startHTTP,
},
{
"http not share cache for same user with different pwd",
"testdata/http.shared.cache.yml",
func(t *testing.T) {
// because of the wildcarded feature that delegate the authentication to clickouse
// we can't afford to return a cached of the same user without reaching clickhouse
// if the pwd is not the same than the one used for the cached query
cacheDir := "temp-test-data/shared_cache2"
checkFilesCount(t, cacheDir, 0)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user1_test2&password=toto", http.StatusOK)
checkFilesCount(t, cacheDir, 1)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user2_test2&password=titi", http.StatusOK)
checkFilesCount(t, cacheDir, 2)
},
startHTTP,
},
{
"http not share cache for different user",
"testdata/http.shared.cache.yml",
func(t *testing.T) {
cacheDir := "temp-test-data/shared_cache3"
checkFilesCount(t, cacheDir, 0)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user1_test3", http.StatusOK)
checkFilesCount(t, cacheDir, 1)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user2_test3", http.StatusOK)
checkFilesCount(t, cacheDir, 2)
},
startHTTP,
},
{
"http share cache for same user with different pwd",
"testdata/http.shared.cache.yml",
func(t *testing.T) {
// because of the wildcarded feature that delegate the authentication to clickouse
// we can't afford to return a cached of the same user without reaching clickhouse
// if the pwd is not the same than the one used for the cached query
cacheDir := "temp-test-data/shared_cache4"
checkFilesCount(t, cacheDir, 0)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user1_test4&password=toto", http.StatusOK)
checkFilesCount(t, cacheDir, 1)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user2_test4&password=titi", http.StatusOK)
checkFilesCount(t, cacheDir, 1)
},
startHTTP,
},
{
"http share cache for different user",
"testdata/http.shared.cache.yml",
func(t *testing.T) {
cacheDir := "temp-test-data/shared_cache5"
checkFilesCount(t, cacheDir, 0)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user1_test5", http.StatusOK)
checkFilesCount(t, cacheDir, 1)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user2_test5", http.StatusOK)
checkFilesCount(t, cacheDir, 1)
},
startHTTP,
},
{
"http not share cache for different user using wildcarded feature",
"testdata/http.shared.cache.yml",
func(t *testing.T) {
cacheDir := "temp-test-data/shared_cache6"
checkFilesCount(t, cacheDir, 0)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user1_test6", http.StatusOK)
checkFilesCount(t, cacheDir, 1)
httpGet(t, "http://127.0.0.1:9090?query=SELECT&user=user2_test6", http.StatusOK)
checkFilesCount(t, cacheDir, 2)
},
startHTTP,
},
{
"http cached gzipped deadline",
"testdata/http.cache.deadline.yml",
func(t *testing.T) {
var buf bytes.Buffer
zw := gzip.NewWriter(&buf)
_, err := zw.Write([]byte("SELECT SLEEP"))
checkErr(t, err)
zw.Close()
req, err := http.NewRequest("POST", "http://127.0.0.1:9090", &buf)
checkErr(t, err)
req.Header.Set("Content-Encoding", "gzip")
cacheDir := "temp-test-data/cache_deadline"
checkFilesCount(t, cacheDir, 0)
ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(100*time.Millisecond))
defer cancel()
req = req.WithContext(ctx)
_, err = http.DefaultClient.Do(req)
expErr := "context deadline exceeded"
if err == nil {
t.Fatal("expected deadline error")
}
if !strings.Contains(err.Error(), "context deadline exceeded") {
t.Fatalf("unexpected error: %s; expected: %s", err, expErr)
}
// verifies if query isn't cached and if kill query was launched.
select {
case <-fakeCHState.syncCH:
// wait while chproxy will detect that request was canceled and will drop temp file
time.Sleep(time.Millisecond * 200)
checkFilesCount(t, cacheDir, 0)
case <-time.After(time.Second * 5):
t.Fatalf("expected deadline query to be killed")
}
},
startHTTP,
},
{
"http concurrent transaction from cache",
"testdata/http.concurrent.transaction.yml",
func(t *testing.T) {
// max_exec_time = 300 ms, grace_time = 160 ms (> max_exec_time/2)
// scenario: 1st query completes before grace_time elapsed. 2nd query is served from cache.
q := "SELECT SLEEP100"
executeTwoConcurrentRequests(t, q, http.StatusOK, http.StatusOK, "success mate", "success mate")
},
startHTTP,
},
{
"http concurrent transaction failure scenario",
"testdata/http.concurrent.transaction.yml",
func(t *testing.T) {
// max_exec_time = 300 ms, grace_time = 160 ms (> max_exec_time/2)
// scenario: 1st query fails before grace_time elapsed. 2nd query fails as well.
q := "SELECT ERROR"
executeTwoConcurrentRequests(t, q, http.StatusInternalServerError, http.StatusInternalServerError,
"DB::Exception\n", "[concurrent query failed] DB::Exception\n")
},
startHTTP,
},
{
"http concurrent transaction failure scenario - transaction completed, not failed - query is recoverable",
"testdata/http.concurrent.transaction.yml",
func(t *testing.T) {
// max_exec_time = 300 ms, grace_time = 160 ms (> max_exec_time/2)
// scenario: 1st query fails before grace_time elapsed. 2nd query fails as well.
q := "SELECT RECOVERABLE-ERROR"
executeTwoConcurrentRequests(t, q, http.StatusServiceUnavailable, http.StatusServiceUnavailable,
"DB::Unavailable\n", "DB::Unavailable\n")
},
startHTTP,
},
{
"http request with default proxy headers",
"testdata/https.proxy-enabled.yml",
func(t *testing.T) {
query := "SELECT 1"
req, err := http.NewRequest("GET", "https://127.0.0.1:8443?query="+url.QueryEscape(query), nil)
checkErr(t, err)
req.Close = true
req.SetBasicAuth("default", "qwerty")
req.Header.Add("X-Forwarded-For", "10.0.0.1")
resp, err := tlsClient.Do(req)
checkErr(t, err)
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusOK)
}
checkResponse(t, resp.Body, expectedOkResp)
},
startTLS,
},
{
"http ping request",
"testdata/http.ping.yml",
func(t *testing.T) {
httpGet(t, "http://127.0.0.1:9090/ping", http.StatusOK)
},
startHTTP,
},
{
"https ping request",
"testdata/https.ping.yml",
func(t *testing.T) {
req, err := http.NewRequest("GET", "https://127.0.0.1:9090/ping", nil)
checkErr(t, err)
req.Close = true
req.SetBasicAuth("default", "qwerty")
resp, err := tlsClient.Do(req)
checkErr(t, err)
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("unexpected status code: %d; expected: %d", resp.StatusCode, http.StatusOK)
}
},
startTLS,
},
{
"http ping request is not allowed",
"testdata/http.yml",
func(t *testing.T) {
resp := httpGet(t, "http://127.0.0.1:9090/ping", http.StatusForbidden)
expected := "ping is not allowed\n"
checkResponse(t, resp.Body, expected)
resp.Body.Close()
},
startHTTP,
},
}
// Wait until CHServer starts.
go startCHServer()
redisClient = startRedis(t)
startTime := time.Now()
i := 0
for i < 10 {
if _, err := http.Get(fmt.Sprintf("http://127.0.0.1:%s/", chPort)); err == nil {
break
}
time.Sleep(10 * time.Millisecond)
i++
}
if i >= 10 {
t.Fatalf("CHServer didn't start in %s", time.Since(startTime))
}
cfg := &config.Config{}
registerMetrics(cfg)
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
*configFile = tc.file
s, done := tc.listenFn()
defer func() {
if err := s.Shutdown(context.Background()); err != nil {
t.Fatalf("unexpected error while closing server: %s", err)
}
<-done
}()
var c *cluster
for _, cluster := range proxy.clusters {
c = cluster
break
}
var i int
for {
if i > 3 {
t.Fatal("unable to find active hosts")
}
if h := c.getHost(); h != nil {
break
}
i++
time.Sleep(time.Millisecond * 10)
}
tc.testFn(t)
})
}
}
func checkFilesCount(t *testing.T, dir string, expectedLen int) {
files, err := os.ReadDir(dir)
if err != nil {
t.Fatalf("error while reading dir %q: %s", dir, err)
}
if expectedLen != len(files) {
t.Fatalf("expected %d files in cache dir %s; got: %d", expectedLen, dir, len(files))
}
}
var tlsClient = &http.Client{Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}}
func startTLS() (*http.Server, chan struct{}) {
cfg, err := loadConfig()
if err != nil {
panic(fmt.Sprintf("error while loading config: %s", err))
}
if err = applyConfig(cfg); err != nil {
panic(fmt.Sprintf("error while applying config: %s", err))
}
done := make(chan struct{})
ln, err := net.Listen("tcp4", cfg.Server.HTTPS.ListenAddr)
if err != nil {
panic(fmt.Sprintf("cannot listen for %q: %s", cfg.Server.HTTPS.ListenAddr, err))
}
tlsCfg, err := cfg.Server.HTTPS.TLS.BuildTLSConfig(autocertManager)
if err != nil {
panic(fmt.Sprintf("cannot build TLS config: %s", err))
}
tln := tls.NewListener(ln, tlsCfg)
h := http.HandlerFunc(serveHTTP)
s := newServer(tln, h, config.TimeoutCfg{})
go func() {
s.Serve(tln)
close(done)
}()
return s, done
}
func startHTTP() (*http.Server, chan struct{}) {
cfg, err := loadConfig()
if err != nil {
panic(fmt.Sprintf("error while loading config: %s", err))
}
if err = applyConfig(cfg); err != nil {
panic(fmt.Sprintf("error while applying config: %s", err))
}