Files
cgrates/engine/libtest.go
2024-10-16 12:24:54 +02:00

530 lines
17 KiB
Go

/*
Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package engine
import (
"bytes"
"errors"
"fmt"
"io"
"os"
"os/exec"
"path"
"path/filepath"
"slices"
"strings"
"testing"
"time"
"github.com/cgrates/birpc"
"github.com/cgrates/birpc/context"
"github.com/cgrates/birpc/jsonrpc"
"github.com/cgrates/cgrates/config"
"github.com/cgrates/cgrates/utils"
"github.com/cgrates/ltcache"
"github.com/creack/pty"
)
func InitDataDb(cfg *config.CGRConfig) error {
d, err := NewDataDBConn(cfg.DataDbCfg().Type,
cfg.DataDbCfg().Host, cfg.DataDbCfg().Port,
cfg.DataDbCfg().Name, cfg.DataDbCfg().User,
cfg.DataDbCfg().Password, cfg.GeneralCfg().DBDataEncoding,
cfg.DataDbCfg().Opts, cfg.DataDbCfg().Items)
if err != nil {
return err
}
dm := NewDataManager(d, cfg.CacheCfg(), connMgr)
if err := dm.DataDB().Flush(""); err != nil {
return err
}
// Write version before starting
if err := OverwriteDBVersions(dm.dataDB); err != nil {
return err
}
return nil
}
func InitStorDb(cfg *config.CGRConfig) error {
storDb, err := NewStorDBConn(cfg.StorDbCfg().Type,
cfg.StorDbCfg().Host, cfg.StorDbCfg().Port,
cfg.StorDbCfg().Name, cfg.StorDbCfg().User,
cfg.StorDbCfg().Password, cfg.GeneralCfg().DBDataEncoding,
cfg.StorDbCfg().StringIndexedFields, cfg.StorDbCfg().PrefixIndexedFields,
cfg.StorDbCfg().Opts, cfg.StorDbCfg().Items)
if err != nil {
return err
}
dbPath := strings.Trim(cfg.StorDbCfg().Type, "*")
if err := storDb.Flush(path.Join(cfg.DataFolderPath, "storage",
dbPath)); err != nil {
return err
}
if slices.Contains([]string{utils.MetaMongo, utils.MetaMySQL, utils.MetaPostgres},
cfg.StorDbCfg().Type) {
if err := SetDBVersions(storDb); err != nil {
return err
}
}
return nil
}
// Return reference towards the command started so we can stop it if necessary
func StartEngine(cfgPath string, waitEngine int) (*exec.Cmd, error) {
enginePath, err := exec.LookPath("cgr-engine")
if err != nil {
return nil, err
}
engine := exec.Command(enginePath, "-config_path", cfgPath)
if err := engine.Start(); err != nil {
return nil, err
}
cfg, err := config.NewCGRConfigFromPath(cfgPath)
if err != nil {
return nil, err
}
fib := utils.FibDuration(time.Millisecond, 0)
var connected bool
for i := 0; i < 16; i++ {
time.Sleep(fib())
if _, err := jsonrpc.Dial(utils.TCP, cfg.ListenCfg().RPCJSONListen); err != nil {
utils.Logger.Warning(fmt.Sprintf("Error <%s> when opening test connection to: <%s>",
err.Error(), cfg.ListenCfg().RPCJSONListen))
} else {
connected = true
break
}
}
if !connected {
return nil, fmt.Errorf("engine did not open port <%s>", cfg.ListenCfg().RPCJSONListen)
}
time.Sleep(time.Duration(waitEngine) * time.Millisecond) // wait for rater to register all subsystems
return engine, nil
}
// StartEngineWithContext return reference towards the command started so we can stop it if necessary
func StartEngineWithContext(ctx context.Context, cfgPath string, waitEngine int) (engine *exec.Cmd, err error) {
engine = exec.CommandContext(ctx, "cgr-engine", "-config_path", cfgPath)
if err = engine.Start(); err != nil {
return nil, err
}
var cfg *config.CGRConfig
if cfg, err = config.NewCGRConfigFromPath(cfgPath); err != nil {
return
}
fib := utils.FibDuration(time.Millisecond, 0)
for i := 0; i < 16; i++ {
time.Sleep(fib())
if _, err = jsonrpc.Dial(utils.TCP, cfg.ListenCfg().RPCJSONListen); err != nil {
continue
}
time.Sleep(time.Duration(waitEngine) * time.Millisecond) // wait for rater to register all subsystems
return
}
utils.Logger.Warning(fmt.Sprintf("Error <%s> when opening test connection to: <%s>",
err.Error(), cfg.ListenCfg().RPCJSONListen))
err = fmt.Errorf("engine did not open port <%s>", cfg.ListenCfg().RPCJSONListen)
return
}
func KillEngine(waitEngine int) error {
return KillProcName("cgr-engine", waitEngine)
}
func StopStartEngine(cfgPath string, waitEngine int) (*exec.Cmd, error) {
KillEngine(waitEngine)
return StartEngine(cfgPath, waitEngine)
}
func LoadTariffPlanFromFolder(tpPath, timezone string, dm *DataManager, disable_reverse bool,
cacheConns, schedConns []string) error {
csvStorage, err := NewFileCSVStorage(utils.CSVSep, tpPath)
if err != nil {
return utils.NewErrServerError(err)
}
loader, err := NewTpReader(dm.dataDB, csvStorage, "",
timezone, cacheConns, schedConns, false)
if err != nil {
return utils.NewErrServerError(err)
}
if err := loader.LoadAll(); err != nil {
return utils.NewErrServerError(err)
}
if err := loader.WriteToDatabase(false, disable_reverse); err != nil {
return utils.NewErrServerError(err)
}
return nil
}
type PjsuaAccount struct {
Id, Username, Password, Realm, Registrar string
}
// Returns file reference where we can write to control pjsua in terminal
func StartPjsuaListener(acnts []*PjsuaAccount, localPort, waitDur time.Duration) (*os.File, error) {
cmdArgs := []string{fmt.Sprintf("--local-port=%d", localPort), "--null-audio", "--auto-answer=200", "--max-calls=32", "--app-log-level=0"}
for idx, acnt := range acnts {
if idx != 0 {
cmdArgs = append(cmdArgs, "--next-account")
}
cmdArgs = append(cmdArgs, "--id="+acnt.Id, "--registrar="+acnt.Registrar, "--username="+acnt.Username, "--password="+acnt.Password, "--realm="+acnt.Realm)
}
pjsuaPath, err := exec.LookPath("pjsua")
if err != nil {
return nil, err
}
pjsua := exec.Command(pjsuaPath, cmdArgs...)
fPty, err := pty.Start(pjsua)
if err != nil {
return nil, err
}
buf := new(bytes.Buffer)
io.Copy(os.Stdout, buf) // Free the content since otherwise pjsua will not start
time.Sleep(waitDur) // Give time to rater to fire up
return fPty, nil
}
func PjsuaCallUri(acnt *PjsuaAccount, dstUri, outboundUri string, callDur time.Duration, localPort int) error {
cmdArgs := []string{"--null-audio", "--app-log-level=0", fmt.Sprintf("--local-port=%d", localPort), fmt.Sprintf("--duration=%d", int(callDur.Seconds())),
"--outbound=" + outboundUri, "--id=" + acnt.Id, "--username=" + acnt.Username, "--password=" + acnt.Password, "--realm=" + acnt.Realm, dstUri}
pjsuaPath, err := exec.LookPath("pjsua")
if err != nil {
return err
}
pjsua := exec.Command(pjsuaPath, cmdArgs...)
fPty, err := pty.Start(pjsua)
if err != nil {
return err
}
buf := new(bytes.Buffer)
io.Copy(os.Stdout, buf)
go func() {
time.Sleep(callDur + 2*time.Second)
fPty.Write([]byte("q\n")) // Destroy the listener
}()
return nil
}
func KillProcName(procName string, waitMs int) (err error) {
if err = exec.Command("pkill", procName).Run(); err != nil {
return
}
time.Sleep(time.Duration(waitMs) * time.Millisecond)
return
}
func ForceKillProcName(procName string, waitMs int) error {
if err := exec.Command("pkill", "-9", procName).Run(); err != nil {
return err
}
time.Sleep(time.Duration(waitMs) * time.Millisecond)
return nil
}
func CallScript(scriptPath string, subcommand string, waitMs int) error {
if err := exec.Command(scriptPath, subcommand).Run(); err != nil {
return err
}
time.Sleep(time.Duration(waitMs) * time.Millisecond) // Give time to rater to fire up
return nil
}
func GetDefaultEmptyCacheStats() map[string]*ltcache.CacheStats {
return map[string]*ltcache.CacheStats{
utils.MetaDefault: {},
utils.CacheAccountActionPlans: {},
utils.CacheActionPlans: {},
utils.CacheActionTriggers: {},
utils.CacheActions: {},
utils.CacheAttributeFilterIndexes: {},
utils.CacheAttributeProfiles: {},
utils.CacheChargerFilterIndexes: {},
utils.CacheChargerProfiles: {},
utils.CacheDispatcherFilterIndexes: {},
utils.CacheDispatcherProfiles: {},
utils.CacheDispatcherHosts: {},
utils.CacheDispatcherRoutes: {},
utils.CacheDispatcherLoads: {},
utils.CacheDispatchers: {},
utils.CacheDestinations: {},
utils.CacheEventResources: {},
utils.CacheFilters: {},
utils.CacheRatingPlans: {},
utils.CacheRatingProfiles: {},
utils.CacheResourceFilterIndexes: {},
utils.CacheResourceProfiles: {},
utils.CacheResources: {},
utils.CacheReverseDestinations: {},
utils.CacheRPCResponses: {},
utils.CacheSharedGroups: {},
utils.CacheStatFilterIndexes: {},
utils.CacheStatQueueProfiles: {},
utils.CacheStatQueues: {},
utils.CacheRankingProfiles: {},
utils.CacheSTIR: {},
utils.CacheRouteFilterIndexes: {},
utils.CacheRouteProfiles: {},
utils.CacheThresholdFilterIndexes: {},
utils.CacheThresholdProfiles: {},
utils.CacheThresholds: {},
utils.CacheTimings: {},
utils.CacheDiameterMessages: {},
utils.CacheClosedSessions: {},
utils.CacheLoadIDs: {},
utils.CacheRPCConnections: {},
utils.CacheCDRIDs: {},
utils.CacheRatingProfilesTmp: {},
utils.CacheUCH: {},
utils.CacheEventCharges: {},
utils.CacheTrendProfiles: {},
utils.CacheTrends: {},
utils.CacheReverseFilterIndexes: {},
utils.MetaAPIBan: {},
utils.MetaSentryPeer: {},
utils.CacheCapsEvents: {},
utils.CacheReplicationHosts: {},
utils.CacheRadiusPackets: {},
}
}
func LoadAllDataDBToCache(dm *DataManager) (err error) {
if dm == nil {
return utils.ErrNoDatabaseConn
}
for key, ids := range map[string][]string{
utils.DestinationPrefix: {utils.MetaAny},
utils.ReverseDestinationPrefix: {utils.MetaAny},
utils.RatingPlanPrefix: {utils.MetaAny},
utils.RatingProfilePrefix: {utils.MetaAny},
utils.ActionPrefix: {utils.MetaAny},
utils.ActionPlanPrefix: {utils.MetaAny},
utils.AccountActionPlansPrefix: {utils.MetaAny},
utils.ActionTriggerPrefix: {utils.MetaAny},
utils.SharedGroupPrefix: {utils.MetaAny},
utils.ResourceProfilesPrefix: {utils.MetaAny},
utils.ResourcesPrefix: {utils.MetaAny},
utils.StatQueuePrefix: {utils.MetaAny},
utils.StatQueueProfilePrefix: {utils.MetaAny},
utils.ThresholdPrefix: {utils.MetaAny},
utils.ThresholdProfilePrefix: {utils.MetaAny},
utils.FilterPrefix: {utils.MetaAny},
utils.RouteProfilePrefix: {utils.MetaAny},
utils.AttributeProfilePrefix: {utils.MetaAny},
utils.ChargerProfilePrefix: {utils.MetaAny},
utils.DispatcherProfilePrefix: {utils.MetaAny},
utils.DispatcherHostPrefix: {utils.MetaAny},
utils.TimingsPrefix: {utils.MetaAny},
utils.AttributeFilterIndexes: {utils.MetaAny},
utils.ResourceFilterIndexes: {utils.MetaAny},
utils.StatFilterIndexes: {utils.MetaAny},
utils.ThresholdFilterIndexes: {utils.MetaAny},
utils.RouteFilterIndexes: {utils.MetaAny},
utils.ChargerFilterIndexes: {utils.MetaAny},
utils.DispatcherFilterIndexes: {utils.MetaAny},
utils.FilterIndexPrfx: {utils.MetaAny},
} {
if err = dm.CacheDataFromDB(key, ids, false); err != nil {
return
}
}
return
}
func newRPCClient(cfg *config.ListenCfg) (c *birpc.Client, err error) {
switch *utils.Encoding {
case utils.MetaJSON:
return jsonrpc.Dial(utils.TCP, cfg.RPCJSONListen)
case utils.MetaGOB:
return birpc.Dial(utils.TCP, cfg.RPCGOBListen)
default:
return nil, errors.New("UNSUPPORTED_RPC")
}
}
// TestEngine holds the setup parameters and configurations
// required for running integration tests.
type TestEngine struct {
ConfigPath string // path to the main configuration file
ConfigJSON string // configuration JSON content (used if ConfigPath is empty)
LogBuffer io.Writer // captures log output of the test environment
PreserveDataDB bool // prevents automatic data_db flush when set
PreserveStorDB bool // prevents automatic stor_db flush when set
TpPath string // path to the tariff plans
TpFiles map[string]string // CSV data for tariff plans: filename -> content
// PreStartHook executes custom logic relying on CGRConfig
// before starting cgr-engine.
PreStartHook func(*testing.T, *config.CGRConfig)
}
// Run initializes a cgr-engine instance for testing, loads tariff plans (if available) and returns
// an RPC client and the CGRConfig object. It calls t.Fatal on any setup failure.
func (ng TestEngine) Run(t *testing.T) (*birpc.Client, *config.CGRConfig) {
t.Helper()
// Parse config files.
var cfgPath string
switch {
case ng.ConfigJSON != "":
cfgPath = t.TempDir()
filePath := filepath.Join(cfgPath, "cgrates.json")
if err := os.WriteFile(filePath, []byte(ng.ConfigJSON), 0644); err != nil {
t.Fatal(err)
}
case ng.ConfigPath != "":
cfgPath = ng.ConfigPath
default:
t.Fatal("missing config source")
}
cfg, err := config.NewCGRConfigFromPath(cfgPath)
if err != nil {
t.Fatalf("could not init config from path %s: %v", cfgPath, err)
}
flushDBs(t, cfg, !ng.PreserveDataDB, !ng.PreserveStorDB)
if ng.PreStartHook != nil {
ng.PreStartHook(t, cfg)
}
startEngine(t, cfg, ng.LogBuffer)
client, err := newRPCClient(cfg.ListenCfg())
if err != nil {
t.Fatalf("could not connect to cgr-engine: %v", err)
}
var customTpPath string
if len(ng.TpFiles) != 0 {
customTpPath = t.TempDir()
}
LoadCSVs(t, client, ng.TpPath, customTpPath, ng.TpFiles)
return client, cfg
}
// LoadCSVs loads tariff plan data from CSV files into the service. It handles directory creation and file
// writing for custom paths, and loads data from the specified paths using the provided RPC client.
func LoadCSVs(t *testing.T, client *birpc.Client, tpPath, customTpPath string, csvFiles map[string]string) {
t.Helper()
paths := make([]string, 0, 2)
if customTpPath != "" {
for fileName, content := range csvFiles {
filePath := path.Join(customTpPath, fileName)
if err := os.WriteFile(filePath, []byte(content), 0644); err != nil {
t.Fatalf("could not write to file %s: %v", filePath, err)
}
}
paths = append(paths, customTpPath)
}
if tpPath != "" {
paths = append(paths, tpPath)
}
if len(paths) == 0 {
return
}
ctx, cancel := context.WithTimeout(context.Background(), 200*time.Millisecond)
defer cancel()
WaitForService(t, ctx, client, utils.APIerSv1)
var reply string
for _, path := range paths {
args := &utils.AttrLoadTpFromFolder{FolderPath: path}
err := client.Call(context.Background(), utils.APIerSv1LoadTariffPlanFromFolder, args, &reply)
if err != nil {
t.Fatalf("%s call failed for path %s: %v", utils.APIerSv1LoadTariffPlanFromFolder, path, err)
}
}
}
// flushDBs resets the databases specified in the configuration if the corresponding flags are true.
func flushDBs(t *testing.T, cfg *config.CGRConfig, flushDataDB, flushStorDB bool) {
t.Helper()
if flushDataDB {
if err := InitDataDb(cfg); err != nil {
t.Fatalf("failed to flush %s dataDB: %v", cfg.DataDbCfg().Type, err)
}
}
if flushStorDB {
if err := InitStorDb(cfg); err != nil {
t.Fatalf("failed to flush %s storDB: %v", cfg.StorDbCfg().Type, err)
}
}
}
// startEngine starts the CGR engine process with the provided configuration. It writes engine logs to the
// provided logBuffer (if any).
func startEngine(t *testing.T, cfg *config.CGRConfig, logBuffer io.Writer) {
t.Helper()
binPath, err := exec.LookPath("cgr-engine")
if err != nil {
t.Fatal(err)
}
engine := exec.Command(
binPath,
"-config_path", cfg.ConfigPath,
"-logger", utils.MetaStdLog,
)
if logBuffer != nil {
engine.Stdout = logBuffer
engine.Stderr = logBuffer
}
if err := engine.Start(); err != nil {
t.Fatalf("cgr-engine command failed: %v", err)
}
t.Cleanup(func() {
if err := engine.Process.Kill(); err != nil {
t.Errorf("failed to kill cgr-engine process (%d): %v", engine.Process.Pid, err)
}
})
fib := utils.FibDuration(time.Millisecond, 0)
for i := 0; i < 16; i++ {
time.Sleep(fib())
if _, err := jsonrpc.Dial(utils.TCP, cfg.ListenCfg().RPCJSONListen); err == nil {
break
}
}
if err != nil {
t.Fatalf("starting cgr-engine on port %s failed: %v", cfg.ListenCfg().RPCJSONListen, err)
}
}
func WaitForService(t *testing.T, ctx *context.Context, client *birpc.Client, service string) {
t.Helper()
method := service + ".Ping"
backoff := utils.FibDuration(time.Millisecond, 0)
var reply any
for {
select {
case <-ctx.Done():
t.Fatalf("%s service did not become available: %v", service, ctx.Err())
default:
err := client.Call(context.Background(), method, nil, &reply)
if err == nil && reply == utils.Pong {
return
}
time.Sleep(backoff())
}
}
}