mirror of
https://github.com/etcd-io/etcd.git
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226 lines
7.0 KiB
Go
226 lines
7.0 KiB
Go
// Copyright 2023 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// These tests are directly validating etcd connection multiplexing.
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//go:build !cluster_proxy
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package e2e
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import (
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"context"
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"github.com/prometheus/common/expfmt"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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pb "go.etcd.io/etcd/api/v3/etcdserverpb"
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"go.etcd.io/etcd/api/v3/mvccpb"
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"go.etcd.io/etcd/api/v3/version"
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"go.etcd.io/etcd/server/v3/etcdserver/api/etcdhttp"
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"go.etcd.io/etcd/tests/v3/framework/config"
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"go.etcd.io/etcd/tests/v3/framework/e2e"
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)
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func TestConnectionMultiplexing(t *testing.T) {
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e2e.BeforeTest(t)
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for _, tc := range []struct {
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name string
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serverTLS e2e.ClientConnType
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separateHTTPPort bool
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}{
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{
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name: "ServerTLS",
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serverTLS: e2e.ClientTLS,
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},
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{
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name: "ServerNonTLS",
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serverTLS: e2e.ClientNonTLS,
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},
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{
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name: "ServerTLSAndNonTLS",
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serverTLS: e2e.ClientTLSAndNonTLS,
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},
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{
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name: "SeparateHTTP/ServerTLS",
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serverTLS: e2e.ClientTLS,
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separateHTTPPort: true,
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},
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{
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name: "SeparateHTTP/ServerNonTLS",
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serverTLS: e2e.ClientNonTLS,
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separateHTTPPort: true,
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},
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} {
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t.Run(tc.name, func(t *testing.T) {
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ctx := context.Background()
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cfg := e2e.NewConfig(e2e.WithClusterSize(1))
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cfg.Client.ConnectionType = tc.serverTLS
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cfg.ClientHTTPSeparate = tc.separateHTTPPort
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clus, err := e2e.NewEtcdProcessCluster(ctx, t, e2e.WithConfig(cfg))
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require.NoError(t, err)
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defer clus.Close()
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var clientScenarios []e2e.ClientConnType
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switch tc.serverTLS {
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case e2e.ClientTLS:
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clientScenarios = []e2e.ClientConnType{e2e.ClientTLS}
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case e2e.ClientNonTLS:
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clientScenarios = []e2e.ClientConnType{e2e.ClientNonTLS}
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case e2e.ClientTLSAndNonTLS:
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clientScenarios = []e2e.ClientConnType{e2e.ClientTLS, e2e.ClientNonTLS}
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}
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for _, clientTLS := range clientScenarios {
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name := "ClientNonTLS"
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if clientTLS == e2e.ClientTLS {
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name = "ClientTLS"
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}
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t.Run(name, func(t *testing.T) {
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testConnectionMultiplexing(ctx, t, clus.Procs[0], clientTLS)
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})
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}
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})
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}
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}
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func testConnectionMultiplexing(ctx context.Context, t *testing.T, member e2e.EtcdProcess, connType e2e.ClientConnType) {
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httpEndpoint := member.EndpointsHTTP()[0]
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grpcEndpoint := member.EndpointsGRPC()[0]
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switch connType {
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case e2e.ClientTLS:
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httpEndpoint = e2e.ToTLS(httpEndpoint)
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grpcEndpoint = e2e.ToTLS(grpcEndpoint)
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case e2e.ClientNonTLS:
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default:
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panic(fmt.Sprintf("Unsupported conn type %v", connType))
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}
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t.Run("etcdctl", func(t *testing.T) {
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etcdctl, err := e2e.NewEtcdctl(e2e.ClientConfig{ConnectionType: connType}, []string{grpcEndpoint})
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require.NoError(t, err)
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_, err = etcdctl.Get(ctx, "a", config.GetOptions{})
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assert.NoError(t, err)
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})
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t.Run("clientv3", func(t *testing.T) {
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c := newClient(t, []string{grpcEndpoint}, e2e.ClientConfig{ConnectionType: connType})
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_, err := c.Get(ctx, "a")
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assert.NoError(t, err)
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})
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t.Run("curl", func(t *testing.T) {
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for _, httpVersion := range []string{"2", "1.1", ""} {
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tname := "http" + httpVersion
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if httpVersion == "" {
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tname = "default"
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}
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t.Run(tname, func(t *testing.T) {
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assert.NoError(t, fetchGRPCGateway(httpEndpoint, httpVersion, connType))
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assert.NoError(t, fetchMetrics(t, httpEndpoint, httpVersion, connType))
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assert.NoError(t, fetchVersion(httpEndpoint, httpVersion, connType))
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assert.NoError(t, fetchHealth(httpEndpoint, httpVersion, connType))
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assert.NoError(t, fetchDebugVars(httpEndpoint, httpVersion, connType))
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})
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}
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})
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}
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func fetchGRPCGateway(endpoint string, httpVersion string, connType e2e.ClientConnType) error {
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rangeData, err := json.Marshal(&pb.RangeRequest{
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Key: []byte("a"),
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})
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if err != nil {
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return err
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}
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req := e2e.CURLReq{Endpoint: "/v3/kv/range", Value: string(rangeData), Timeout: 5, HTTPVersion: httpVersion}
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respData, err := curl(endpoint, "POST", req, connType)
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if err != nil {
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return err
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}
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return validateGrpcgatewayRangeReponse([]byte(respData))
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}
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func validateGrpcgatewayRangeReponse(respData []byte) error {
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// Modified json annotation so ResponseHeader fields are stored in string.
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type responseHeader struct {
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//revive:disable:var-naming
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ClusterId uint64 `json:"cluster_id,string,omitempty"`
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MemberId uint64 `json:"member_id,string,omitempty"`
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//revive:enable:var-naming
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Revision int64 `json:"revision,string,omitempty"`
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RaftTerm uint64 `json:"raft_term,string,omitempty"`
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}
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type rangeResponse struct {
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Header *responseHeader `json:"header,omitempty"`
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Kvs []*mvccpb.KeyValue `json:"kvs,omitempty"`
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More bool `json:"more,omitempty"`
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Count int64 `json:"count,omitempty"`
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}
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var resp rangeResponse
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return json.Unmarshal(respData, &resp)
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}
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func fetchMetrics(t *testing.T, endpoint string, httpVersion string, connType e2e.ClientConnType) error {
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tmpDir := t.TempDir()
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metricFile := filepath.Join(tmpDir, "metrics")
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req := e2e.CURLReq{Endpoint: "/metrics", Timeout: 5, HTTPVersion: httpVersion, OutputFile: metricFile}
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if _, err := curl(endpoint, "GET", req, connType); err != nil {
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return err
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}
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rawData, err := os.ReadFile(metricFile)
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if err != nil {
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return fmt.Errorf("failed to read the metric: %w", err)
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}
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respData := string(rawData)
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var parser expfmt.TextParser
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_, err = parser.TextToMetricFamilies(strings.NewReader(strings.ReplaceAll(respData, "\r\n", "\n")))
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return err
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}
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func fetchVersion(endpoint string, httpVersion string, connType e2e.ClientConnType) error {
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req := e2e.CURLReq{Endpoint: "/version", Timeout: 5, HTTPVersion: httpVersion}
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respData, err := curl(endpoint, "GET", req, connType)
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if err != nil {
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return err
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}
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var resp version.Versions
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return json.Unmarshal([]byte(respData), &resp)
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}
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func fetchHealth(endpoint string, httpVersion string, connType e2e.ClientConnType) error {
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req := e2e.CURLReq{Endpoint: "/health", Timeout: 5, HTTPVersion: httpVersion}
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respData, err := curl(endpoint, "GET", req, connType)
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if err != nil {
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return err
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}
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var resp etcdhttp.Health
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return json.Unmarshal([]byte(respData), &resp)
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}
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func fetchDebugVars(endpoint string, httpVersion string, connType e2e.ClientConnType) error {
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req := e2e.CURLReq{Endpoint: "/debug/vars", Timeout: 5, HTTPVersion: httpVersion}
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respData, err := curl(endpoint, "GET", req, connType)
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if err != nil {
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return err
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}
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var resp map[string]any
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return json.Unmarshal([]byte(respData), &resp)
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}
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