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extension_test.go
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package sumologicextension
import (
"context"
"crypto/md5"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"net/http"
"net/http/httptest"
"os"
"path"
"sync/atomic"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/featuregate"
"go.uber.org/zap"
"github.com/SumoLogic/sumologic-otel-collector/pkg/extension/sumologicextension/api"
"github.com/SumoLogic/sumologic-otel-collector/pkg/extension/sumologicextension/credentials"
)
func TestMain(m *testing.M) {
// Enable the feature gates before all tests to avoid flaky tests.
err := featuregate.GlobalRegistry().Set(updateCollectorMetadataID, true)
if err != nil {
panic("unable to set feature gates")
}
code := m.Run()
os.Exit(code)
}
func TestBasicExtensionConstruction(t *testing.T) {
t.Parallel()
testcases := []struct {
Name string
Config *Config
WantErr bool
}{
{
Name: "no_collector_name_causes_error",
Config: createDefaultConfig().(*Config),
WantErr: true,
},
{
Name: "no_credentials_causes_error",
Config: func() *Config {
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = "collector_name"
return cfg
}(),
WantErr: true,
},
{
Name: "basic",
Config: func() *Config {
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = "collector_name"
cfg.Credentials.InstallToken = "install_token_123456"
return cfg
}(),
},
}
for _, tc := range testcases {
t.Run(tc.Name, func(t *testing.T) {
se, err := newSumologicExtension(tc.Config, zap.NewNop(), component.NewID("sumologic"), "1.0.0")
if tc.WantErr {
assert.Error(t, err)
} else {
assert.NoError(t, err)
assert.NotNil(t, se)
}
})
}
}
func TestBasicStart(t *testing.T) {
t.Parallel()
srv := httptest.NewServer(func() http.HandlerFunc {
var reqCount int32
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
// TODO Add payload verification - verify if collectorName is set properly
reqNum := atomic.AddInt32(&reqCount, 1)
switch reqNum {
// register
case 1:
require.Equal(t, registerUrl, req.URL.Path)
_, err := w.Write([]byte(`{
"collectorCredentialId": "collectorId",
"collectorCredentialKey": "collectorKey",
"collectorId": "id"
}`))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
}
// metadata
case 2:
assert.Equal(t, metadataUrl, req.URL.Path)
w.WriteHeader(200)
// heartbeat
case 3:
assert.Equal(t, heartbeatUrl, req.URL.Path)
w.WriteHeader(204)
// should not produce any more requests
default:
w.WriteHeader(http.StatusInternalServerError)
}
})
}())
t.Cleanup(func() { srv.Close() })
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-test-*")
require.NoError(t, err)
t.Cleanup(func() { os.RemoveAll(dir) })
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = "collector_name"
cfg.ApiBaseUrl = srv.URL
cfg.Credentials.InstallToken = "dummy_install_token"
cfg.CollectorCredentialsDirectory = dir
se, err := newSumologicExtension(cfg, zap.NewNop(), component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
assert.NotEmpty(t, se.registrationInfo.CollectorCredentialId)
assert.NotEmpty(t, se.registrationInfo.CollectorCredentialKey)
assert.NotEmpty(t, se.registrationInfo.CollectorId)
require.NoError(t, se.Shutdown(context.Background()))
}
func TestStoreCredentials(t *testing.T) {
t.Parallel()
getServer := func() *httptest.Server {
var reqCount int32
return httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, req *http.Request) {
// TODO Add payload verification - verify if collectorName is set properly
reqNum := atomic.AddInt32(&reqCount, 1)
switch reqNum {
// register
case 1:
require.Equal(t, registerUrl, req.URL.Path)
_, err := w.Write([]byte(`{
"collectorCredentialId": "collectorId",
"collectorCredentialKey": "collectorKey",
"collectorId": "id"
}`))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
}
// metadata
case 2:
assert.Equal(t, metadataUrl, req.URL.Path)
w.WriteHeader(200)
// heartbeat
case 3:
assert.Equal(t, heartbeatUrl, req.URL.Path)
w.WriteHeader(204)
// should not produce any more requests
default:
w.WriteHeader(http.StatusInternalServerError)
}
}))
}
getConfig := func(url string) *Config {
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = "collector_name"
cfg.ApiBaseUrl = url
cfg.Credentials.InstallToken = "dummy_install_token"
return cfg
}
logger, err := zap.NewDevelopment()
require.NoError(t, err)
t.Run("dir does not exist", func(t *testing.T) {
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-test-*")
require.NoError(t, err)
t.Cleanup(func() { os.RemoveAll(dir) })
srv := getServer()
t.Cleanup(func() { srv.Close() })
cfg := getConfig(srv.URL)
cfg.CollectorCredentialsDirectory = dir
// Ensure the directory doesn't exist before running the extension
require.NoError(t, os.RemoveAll(dir))
se, err := newSumologicExtension(cfg, logger, component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
key := createHashKey(cfg)
fileName, err := credentials.HashKeyToFilename(key)
require.NoError(t, err)
credsPath := path.Join(dir, fileName)
require.NoFileExists(t, credsPath)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
require.NoError(t, se.Shutdown(context.Background()))
require.FileExists(t, credsPath)
})
t.Run("dir exists before launch with 600 permissions", func(t *testing.T) {
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-test-*")
require.NoError(t, err)
t.Cleanup(func() { os.RemoveAll(dir) })
srv := getServer()
t.Cleanup(func() { srv.Close() })
cfg := getConfig(srv.URL)
cfg.CollectorCredentialsDirectory = dir
// Ensure the directory has 600 permissions
require.NoError(t, os.Chmod(dir, 0600))
se, err := newSumologicExtension(cfg, zap.NewNop(), component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
key := createHashKey(cfg)
fileName, err := credentials.HashKeyToFilename(key)
require.NoError(t, err)
credsPath := path.Join(dir, fileName)
require.NoFileExists(t, credsPath)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
require.NoError(t, se.Shutdown(context.Background()))
require.FileExists(t, credsPath)
})
t.Run("ensure dir gets created with 700 permissions", func(t *testing.T) {
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-test-*")
require.NoError(t, err)
t.Cleanup(func() { os.RemoveAll(dir) })
srv := getServer()
t.Cleanup(func() { srv.Close() })
cfg := getConfig(srv.URL)
cfg.CollectorCredentialsDirectory = dir
// Ensure the directory has 700 permissions
require.NoError(t, os.Chmod(dir, 0700))
se, err := newSumologicExtension(cfg, zap.NewNop(), component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
key := createHashKey(cfg)
fileName, err := credentials.HashKeyToFilename(key)
require.NoError(t, err)
credsPath := path.Join(dir, fileName)
require.NoFileExists(t, credsPath)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
require.NoError(t, se.Shutdown(context.Background()))
require.FileExists(t, credsPath)
})
t.Run("by default use sha256 for hashing", func(t *testing.T) {
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-test-*")
require.NoError(t, err)
t.Cleanup(func() { os.RemoveAll(dir) })
srv := getServer()
t.Cleanup(func() { srv.Close() })
cfg := getConfig(srv.URL)
cfg.CollectorCredentialsDirectory = dir
se, err := newSumologicExtension(cfg, zap.NewNop(), component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
key := createHashKey(cfg)
fileName, err := credentials.HashKeyToFilename(key)
require.NoError(t, err)
fileNameSha256, err := credentials.HashKeyToFilenameWith(sha256.New(), key)
require.NoError(t, err)
require.Equal(t, fileName, fileNameSha256)
credsPath := path.Join(dir, fileName)
require.NoFileExists(t, credsPath)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
require.NoError(t, se.Shutdown(context.Background()))
require.FileExists(t, credsPath)
// Don't create md5 hashed credentials files anymore
fileNameMd5, err := credentials.HashKeyToFilenameWith(md5.New(), key)
require.NoError(t, err)
credsPathMd5 := path.Join(dir, fileNameMd5)
require.NoFileExists(t, credsPathMd5)
})
}
func TestStoreCredentials_PreexistingCredentialsAreUsed(t *testing.T) {
t.Parallel()
var reqCount int32
getServer := func() *httptest.Server {
return httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, req *http.Request) {
reqNum := atomic.AddInt32(&reqCount, 1)
switch reqNum {
// heartbeat
case 1:
require.Equal(t, heartbeatUrl, req.URL.Path)
w.WriteHeader(204)
// metadata
case 2:
require.Equal(t, metadataUrl, req.URL.Path)
w.WriteHeader(200)
// should not produce any more requests
default:
w.WriteHeader(http.StatusInternalServerError)
}
}))
}
getConfig := func(url string) *Config {
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = "collector_name"
cfg.ApiBaseUrl = url
cfg.Credentials.InstallToken = "dummy_install_token"
return cfg
}
logger, err := zap.NewDevelopment()
require.NoError(t, err)
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-test-*")
require.NoError(t, err)
t.Cleanup(func() { os.RemoveAll(dir) })
t.Logf("Using dir: %s", dir)
store, err := credentials.NewLocalFsStore(
credentials.WithCredentialsDirectory(dir),
credentials.WithLogger(logger),
)
require.NoError(t, err)
srv := getServer()
t.Cleanup(func() { srv.Close() })
cfg := getConfig(srv.URL)
cfg.CollectorCredentialsDirectory = dir
hashKey := createHashKey(cfg)
require.NoError(t,
store.Store(hashKey, credentials.CollectorCredentials{
CollectorName: "collector_name",
Credentials: api.OpenRegisterResponsePayload{
CollectorCredentialId: "collectorId",
CollectorCredentialKey: "collectorKey",
CollectorId: "id",
},
}),
)
se, err := newSumologicExtension(cfg, logger, component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
fileName, err := credentials.HashKeyToFilename(hashKey)
require.NoError(t, err)
credsPath := path.Join(dir, fileName)
// Credentials file exists before starting the extension because we created
// it directly via store.Store()
require.FileExists(t, credsPath)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
require.NoError(t, se.Shutdown(context.Background()))
require.FileExists(t, credsPath)
// Don't create md5 hashed credentials files anymore
fileNameMd5, err := credentials.HashKeyToFilenameWith(md5.New(), hashKey)
require.NoError(t, err)
credsPathMd5 := path.Join(dir, fileNameMd5)
require.NoFileExists(t, credsPathMd5)
require.EqualValues(t, atomic.LoadInt32(&reqCount), 2)
}
func TestLocalFSCredentialsStore_WorkCorrectlyForMultipleExtensions(t *testing.T) {
t.Parallel()
getServer := func() *httptest.Server {
var reqCount int32
return httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, req *http.Request) {
// TODO Add payload verification - verify if collectorName is set properly
reqNum := atomic.AddInt32(&reqCount, 1)
switch reqNum {
// register
case 1:
require.Equal(t, registerUrl, req.URL.Path)
_, err := w.Write([]byte(`{
"collectorCredentialId": "collectorId",
"collectorCredentialKey": "collectorKey",
"collectorId": "id"
}`))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
}
// metadata
case 2:
assert.Equal(t, metadataUrl, req.URL.Path)
w.WriteHeader(200)
// heartbeat
case 3:
assert.Equal(t, heartbeatUrl, req.URL.Path)
w.WriteHeader(204)
// should not produce any more requests
default:
w.WriteHeader(http.StatusInternalServerError)
}
}))
}
getConfig := func(url string) *Config {
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = "collector_name"
cfg.ApiBaseUrl = url
cfg.Credentials.InstallToken = "dummy_install_token"
return cfg
}
getDir := func(t *testing.T) string {
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-multiple-extensions-test-*")
require.NoError(t, err)
return dir
}
dir1 := getDir(t)
t.Cleanup(func() { os.RemoveAll(dir1) })
dir2 := getDir(t)
t.Cleanup(func() { os.RemoveAll(dir2) })
srv1 := getServer()
t.Cleanup(func() { srv1.Close() })
srv2 := getServer()
t.Cleanup(func() { srv2.Close() })
cfg1 := getConfig(srv1.URL)
cfg1.CollectorCredentialsDirectory = dir1
cfg2 := getConfig(srv2.URL)
cfg2.CollectorCredentialsDirectory = dir2
logger1, err := zap.NewDevelopment(zap.Fields(zap.Int("#", 1)))
require.NoError(t, err)
logger2, err := zap.NewDevelopment(zap.Fields(zap.Int("#", 2)))
require.NoError(t, err)
se1, err := newSumologicExtension(cfg1, logger1, component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
t.Cleanup(func() { require.NoError(t, se1.Shutdown(context.Background())) })
fileName1, err := credentials.HashKeyToFilename(createHashKey(cfg1))
require.NoError(t, err)
credsPath1 := path.Join(dir1, fileName1)
require.NoFileExists(t, credsPath1)
require.NoError(t, se1.Start(context.Background(), componenttest.NewNopHost()))
require.FileExists(t, credsPath1)
se2, err := newSumologicExtension(cfg2, logger2, component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
t.Cleanup(func() { require.NoError(t, se2.Shutdown(context.Background())) })
fileName2, err := credentials.HashKeyToFilename(createHashKey(cfg2))
require.NoError(t, err)
credsPath2 := path.Join(dir2, fileName2)
require.NoFileExists(t, credsPath2)
require.NoError(t, se2.Start(context.Background(), componenttest.NewNopHost()))
require.FileExists(t, credsPath2)
require.NotEqual(t, credsPath1, credsPath2,
"credentials files should be different for configs with different apiBaseURLs",
)
}
func TestRegisterEmptyCollectorName(t *testing.T) {
t.Parallel()
hostname, err := os.Hostname()
require.NoError(t, err)
srv := httptest.NewServer(func() http.HandlerFunc {
var reqCount int32
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
// TODO Add payload verification - verify if collectorName is set properly
reqNum := atomic.AddInt32(&reqCount, 1)
switch reqNum {
// register
case 1:
require.Equal(t, registerUrl, req.URL.Path)
authHeader := req.Header.Get("Authorization")
assert.Equal(t, "Bearer dummy_install_token", authHeader,
"collector didn't send correct Authorization header with registration request")
_, err := w.Write([]byte(`{
"collectorCredentialId": "aaaaaaaaaaaaaaaaaaaa",
"collectorCredentialKey": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"collectorId": "000000000FFFFFFF"
}`))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
}
// metadata
case 2:
assert.Equal(t, metadataUrl, req.URL.Path)
w.WriteHeader(200)
// heartbeat
case 3:
assert.Equal(t, heartbeatUrl, req.URL.Path)
w.WriteHeader(204)
// should not produce any more requests
default:
w.WriteHeader(http.StatusInternalServerError)
}
})
}())
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-test-*")
t.Cleanup(func() {
srv.Close()
os.RemoveAll(dir)
})
require.NoError(t, err)
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = ""
cfg.ApiBaseUrl = srv.URL
cfg.Credentials.InstallToken = "dummy_install_token"
cfg.CollectorCredentialsDirectory = dir
se, err := newSumologicExtension(cfg, zap.NewNop(), component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
require.NoError(t, err)
require.Equal(t, hostname, se.collectorName)
}
func TestRegisterEmptyCollectorNameForceRegistration(t *testing.T) {
t.Parallel()
hostname, err := os.Hostname()
require.NoError(t, err)
srv := httptest.NewServer(func() http.HandlerFunc {
var reqCount int32
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
// TODO Add payload verification - verify if collectorName is set properly
reqNum := atomic.AddInt32(&reqCount, 1)
switch reqNum {
// register
case 1:
require.Equal(t, registerUrl, req.URL.Path)
authHeader := req.Header.Get("Authorization")
assert.Equal(t, "Bearer dummy_install_token", authHeader,
"collector didn't send correct Authorization header with registration request")
_, err := w.Write([]byte(`{
"collectorCredentialId": "aaaaaaaaaaaaaaaaaaaa",
"collectorCredentialKey": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"collectorId": "000000000FFFFFFF",
"collectorName": "hostname-test-123456123123"
}`))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
}
// metadata
case 2:
assert.Equal(t, metadataUrl, req.URL.Path)
w.WriteHeader(200)
// register again because force registration was set
case 3:
require.Equal(t, registerUrl, req.URL.Path)
authHeader := req.Header.Get("Authorization")
assert.Equal(t, "Bearer dummy_install_token", authHeader,
"collector didn't send correct Authorization header with registration request")
_, err := w.Write([]byte(`{
"collectorCredentialId": "aaaaaaaaaaaaaaaaaaaa",
"collectorCredentialKey": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"collectorId": "000000000FFFFFFF",
"collectorName": "hostname-test-123456123123"
}`))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
}
// metadata
case 4:
assert.Equal(t, metadataUrl, req.URL.Path)
w.WriteHeader(200)
// should not produce any more requests
default:
w.WriteHeader(http.StatusInternalServerError)
}
})
}())
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-test-*")
t.Cleanup(func() {
srv.Close()
os.RemoveAll(dir)
})
require.NoError(t, err)
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = ""
cfg.ApiBaseUrl = srv.URL
cfg.Credentials.InstallToken = "dummy_install_token"
cfg.CollectorCredentialsDirectory = dir
cfg.ForceRegistration = true
se, err := newSumologicExtension(cfg, zap.NewNop(), component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
require.NoError(t, se.Shutdown(context.Background()))
assert.NotEmpty(t, se.collectorName)
assert.Equal(t, hostname, se.collectorName)
colCreds, err := se.credentialsStore.Get(se.hashKey)
require.NoError(t, err)
colName := colCreds.CollectorName
se, err = newSumologicExtension(cfg, zap.NewNop(), component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
assert.Equal(t, se.collectorName, colName)
}
func TestCollectorSendsBasicAuthHeadersOnRegistration(t *testing.T) {
t.Parallel()
srv := httptest.NewServer(func() http.HandlerFunc {
var reqCount int32
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
// TODO Add payload verification - verify if collectorName is set properly
reqNum := atomic.AddInt32(&reqCount, 1)
switch reqNum {
// register
case 1:
require.Equal(t, registerUrl, req.URL.Path)
authHeader := req.Header.Get("Authorization")
assert.Equal(t, "Bearer dummy_install_token", authHeader,
"collector didn't send correct Authorization header with registration request")
_, err := w.Write([]byte(`{
"collectorCredentialId": "aaaaaaaaaaaaaaaaaaaa",
"collectorCredentialKey": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"collectorId": "000000000FFFFFFF"
}`))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
}
// metadata
case 2:
assert.Equal(t, metadataUrl, req.URL.Path)
w.WriteHeader(200)
// heartbeat
case 3:
assert.Equal(t, heartbeatUrl, req.URL.Path)
w.WriteHeader(204)
// should not produce any more requests
default:
w.WriteHeader(http.StatusInternalServerError)
}
})
}())
t.Cleanup(func() { srv.Close() })
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-test-*")
require.NoError(t, err)
t.Cleanup(func() { os.RemoveAll(dir) })
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = ""
cfg.ApiBaseUrl = srv.URL
cfg.Credentials.InstallToken = "dummy_install_token"
cfg.CollectorCredentialsDirectory = dir
se, err := newSumologicExtension(cfg, zap.NewNop(), component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
require.NoError(t, se.Shutdown(context.Background()))
}
func TestCollectorCheckingCredentialsFoundInLocalStorage(t *testing.T) {
t.Parallel()
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-test-*")
require.NoError(t, err)
t.Cleanup(func() { os.RemoveAll(dir) })
cStore, err := credentials.NewLocalFsStore(
credentials.WithCredentialsDirectory(dir),
credentials.WithLogger(zap.NewNop()),
)
require.NoError(t, err)
storeCredentials := func(t *testing.T, url string) {
creds := credentials.CollectorCredentials{
CollectorName: "test-name",
Credentials: api.OpenRegisterResponsePayload{
CollectorName: "test-name",
CollectorId: "test-id",
CollectorCredentialId: "test-credential-id",
CollectorCredentialKey: "test-credential-key",
},
ApiBaseUrl: url,
}
storageKey := createHashKey(&Config{
CollectorName: "test-name",
Credentials: accessCredentials{
InstallToken: "dummy_install_token",
},
ApiBaseUrl: url,
})
t.Logf("Storing collector credentials in temp dir: %s", dir)
require.NoError(t, cStore.Store(storageKey, creds))
}
testcases := []struct {
name string
expectedReqCount int32
srvFn func() (*httptest.Server, *int32)
configFn func(url string) *Config
}{
{
name: "collector checks found credentials via heartbeat call - no registration is done",
expectedReqCount: 3,
srvFn: func() (*httptest.Server, *int32) {
var reqCount int32
return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
reqNum := atomic.AddInt32(&reqCount, 1)
switch reqNum {
// heatbeat
case 1:
require.NotEqual(t, registerUrl, req.URL.Path,
"collector shouldn't call the register API when credentials locally retrieved")
assert.Equal(t, heartbeatUrl, req.URL.Path)
authHeader := req.Header.Get("Authorization")
token := base64.StdEncoding.EncodeToString(
[]byte("test-credential-id:test-credential-key"),
)
assert.Equal(t, "Basic "+token, authHeader,
"collector didn't send correct Authorization header with heartbeat request")
w.WriteHeader(204)
// metadata
case 2:
assert.Equal(t, metadataUrl, req.URL.Path)
w.WriteHeader(200)
// should not produce any more requests
default:
w.WriteHeader(http.StatusInternalServerError)
}
})),
&reqCount
},
configFn: func(url string) *Config {
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = "test-name"
cfg.ApiBaseUrl = url
cfg.Credentials.InstallToken = "dummy_install_token"
cfg.CollectorCredentialsDirectory = dir
return cfg
},
},
{
name: "collector registers when no matching credentials are found in local storage",
expectedReqCount: 3,
srvFn: func() (*httptest.Server, *int32) {
var reqCount int32
return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
reqNum := atomic.AddInt32(&reqCount, 1)
switch reqNum {
// register
case 1:
require.Equal(t, registerUrl, req.URL.Path)
authHeader := req.Header.Get("Authorization")
assert.Equal(t, "Bearer dummy_install_token", authHeader,
"collector didn't send correct Authorization header with registration request")
_, err := w.Write([]byte(`{
"collectorCredentialId": "aaaaaaaaaaaaaaaaaaaa",
"collectorCredentialKey": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"collectorId": "000000000FFFFFFF"
}`))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
}
// metadata
case 2:
w.WriteHeader(200)
// heartbeat
case 3:
w.WriteHeader(204)
// should not produce any more requests
default:
w.WriteHeader(http.StatusInternalServerError)
}
})),
&reqCount
},
configFn: func(url string) *Config {
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = "test-name-not-in-the-credentials-store"
cfg.ApiBaseUrl = url
cfg.Credentials.InstallToken = "dummy_install_token"
cfg.CollectorCredentialsDirectory = dir
return cfg
},
},
}
for _, tc := range testcases {
t.Run(tc.name, func(t *testing.T) {
tc := tc
srv, reqCount := tc.srvFn()
t.Cleanup(func() { srv.Close() })
cfg := tc.configFn(srv.URL)
storeCredentials(t, srv.URL)
logger, err := zap.NewDevelopment()
require.NoError(t, err)
se, err := newSumologicExtension(cfg, logger, component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
if !assert.Eventually(t,
func() bool {
return atomic.LoadInt32(reqCount) == tc.expectedReqCount
},
5*time.Second, 100*time.Millisecond,
) {
t.Logf("the expected number of requests (%d) wasn't reached, only got %d",
tc.expectedReqCount, atomic.LoadInt32(reqCount),
)
}
require.NoError(t, se.Shutdown(context.Background()))
})
}
}
func TestRegisterEmptyCollectorNameWithBackoff(t *testing.T) {
var retriesLimit int32 = 5
t.Parallel()
hostname, err := os.Hostname()
require.NoError(t, err)
srv := httptest.NewServer(func() http.HandlerFunc {
var reqCount int32
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
// TODO Add payload verification - verify if collectorName is set properly
reqNum := atomic.AddInt32(&reqCount, 1)
switch true {
// register
case reqNum <= retriesLimit:
require.Equal(t, registerUrl, req.URL.Path)
authHeader := req.Header.Get("Authorization")
assert.Equal(t, "Bearer dummy_install_token", authHeader,
"collector didn't send correct Authorization header with registration request")
if reqCount < retriesLimit {
w.WriteHeader(http.StatusTooManyRequests)
} else {
_, err := w.Write([]byte(`{
"collectorCredentialId": "aaaaaaaaaaaaaaaaaaaa",
"collectorCredentialKey": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"collectorId": "000000000FFFFFFF"
}`))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
}
}
// metadata
case reqNum == retriesLimit+1:
assert.Equal(t, metadataUrl, req.URL.Path)
w.WriteHeader(200)
// heartbeat
case reqNum == retriesLimit+2:
assert.Equal(t, heartbeatUrl, req.URL.Path)
w.WriteHeader(204)
// should not produce any more requests
default:
w.WriteHeader(http.StatusInternalServerError)
}
})
}())
dir, err := os.MkdirTemp("", "otelcol-sumo-store-credentials-test-*")
t.Cleanup(func() {
srv.Close()
os.RemoveAll(dir)
})
require.NoError(t, err)
cfg := createDefaultConfig().(*Config)
cfg.CollectorName = ""
cfg.ApiBaseUrl = srv.URL
cfg.Credentials.InstallToken = "dummy_install_token"
cfg.CollectorCredentialsDirectory = dir
cfg.BackOff.InitialInterval = time.Millisecond
cfg.BackOff.MaxInterval = time.Millisecond
se, err := newSumologicExtension(cfg, zap.NewNop(), component.NewID("sumologic"), "1.0.0")
require.NoError(t, err)
require.NoError(t, se.Start(context.Background(), componenttest.NewNopHost()))
require.Equal(t, hostname, se.collectorName)
}
func TestRegisterEmptyCollectorNameUnrecoverableError(t *testing.T) {
t.Parallel()