mirror of
https://github.com/absmach/magistrala.git
synced 2026-06-23 04:10:28 +00:00
Felix Gateru
387 lines
13 KiB
Go
387 lines
13 KiB
Go
// Copyright (c) Abstract Machines
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// SPDX-License-Identifier: Apache-2.0
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// Package main contains clients main function to start the clients service.
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package main
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import (
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"context"
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"fmt"
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"log"
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"log/slog"
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"net/url"
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"os"
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"time"
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chclient "github.com/absmach/callhome/pkg/client"
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"github.com/absmach/supermq"
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grpcChannelsV1 "github.com/absmach/supermq/api/grpc/channels/v1"
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grpcClientsV1 "github.com/absmach/supermq/api/grpc/clients/v1"
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grpcGroupsV1 "github.com/absmach/supermq/api/grpc/groups/v1"
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"github.com/absmach/supermq/clients"
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grpcapi "github.com/absmach/supermq/clients/api/grpc"
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httpapi "github.com/absmach/supermq/clients/api/http"
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"github.com/absmach/supermq/clients/cache"
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"github.com/absmach/supermq/clients/events"
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"github.com/absmach/supermq/clients/middleware"
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"github.com/absmach/supermq/clients/postgres"
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pClients "github.com/absmach/supermq/clients/private"
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"github.com/absmach/supermq/clients/tracing"
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dpostgres "github.com/absmach/supermq/domains/postgres"
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gpostgres "github.com/absmach/supermq/groups/postgres"
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redisclient "github.com/absmach/supermq/internal/clients/redis"
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smqlog "github.com/absmach/supermq/logger"
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authsvcAuthn "github.com/absmach/supermq/pkg/authn/authsvc"
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smqauthz "github.com/absmach/supermq/pkg/authz"
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authsvcAuthz "github.com/absmach/supermq/pkg/authz/authsvc"
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dconsumer "github.com/absmach/supermq/pkg/domains/events/consumer"
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domainsAuthz "github.com/absmach/supermq/pkg/domains/grpcclient"
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gconsumer "github.com/absmach/supermq/pkg/groups/events/consumer"
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"github.com/absmach/supermq/pkg/grpcclient"
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jaegerclient "github.com/absmach/supermq/pkg/jaeger"
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"github.com/absmach/supermq/pkg/policies"
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"github.com/absmach/supermq/pkg/policies/spicedb"
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pg "github.com/absmach/supermq/pkg/postgres"
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pgclient "github.com/absmach/supermq/pkg/postgres"
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"github.com/absmach/supermq/pkg/prometheus"
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"github.com/absmach/supermq/pkg/roles"
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"github.com/absmach/supermq/pkg/server"
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grpcserver "github.com/absmach/supermq/pkg/server/grpc"
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httpserver "github.com/absmach/supermq/pkg/server/http"
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"github.com/absmach/supermq/pkg/sid"
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spicedbdecoder "github.com/absmach/supermq/pkg/spicedb"
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"github.com/absmach/supermq/pkg/uuid"
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"github.com/authzed/authzed-go/v1"
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"github.com/authzed/grpcutil"
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"github.com/caarlos0/env/v11"
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"github.com/go-chi/chi/v5"
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"github.com/jmoiron/sqlx"
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"github.com/redis/go-redis/v9"
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"go.opentelemetry.io/otel/trace"
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"golang.org/x/sync/errgroup"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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"google.golang.org/grpc/reflection"
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)
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const (
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svcName = "clients"
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envPrefixDB = "SMQ_CLIENTS_DB_"
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envPrefixHTTP = "SMQ_CLIENTS_HTTP_"
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envPrefixGRPC = "SMQ_CLIENTS_AUTH_GRPC_"
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envPrefixAuth = "SMQ_AUTH_GRPC_"
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envPrefixChannels = "SMQ_CHANNELS_GRPC_"
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envPrefixGroups = "SMQ_GROUPS_GRPC_"
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envPrefixDomains = "SMQ_DOMAINS_GRPC_"
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defDB = "clients"
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defSvcHTTPPort = "9000"
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defSvcAuthGRPCPort = "7000"
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)
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type config struct {
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InstanceID string `env:"SMQ_CLIENTS_INSTANCE_ID" envDefault:""`
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LogLevel string `env:"SMQ_CLIENTS_LOG_LEVEL" envDefault:"info"`
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StandaloneID string `env:"SMQ_CLIENTS_STANDALONE_ID" envDefault:""`
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StandaloneToken string `env:"SMQ_CLIENTS_STANDALONE_TOKEN" envDefault:""`
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CacheURL string `env:"SMQ_CLIENTS_CACHE_URL" envDefault:"redis://localhost:6379/0"`
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CacheKeyDuration time.Duration `env:"SMQ_CLIENTS_CACHE_KEY_DURATION" envDefault:"10m"`
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JaegerURL url.URL `env:"SMQ_JAEGER_URL" envDefault:"http://localhost:4318/v1/traces"`
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SendTelemetry bool `env:"SMQ_SEND_TELEMETRY" envDefault:"true"`
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ESURL string `env:"SMQ_ES_URL" envDefault:"nats://localhost:4222"`
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ESConsumerName string `env:"SMQ_CLIENTS_EVENT_CONSUMER" envDefault:"clients"`
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TraceRatio float64 `env:"SMQ_JAEGER_TRACE_RATIO" envDefault:"1.0"`
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SpicedbHost string `env:"SMQ_SPICEDB_HOST" envDefault:"localhost"`
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SpicedbPort string `env:"SMQ_SPICEDB_PORT" envDefault:"50051"`
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SpicedbPreSharedKey string `env:"SMQ_SPICEDB_PRE_SHARED_KEY" envDefault:"12345678"`
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SpicedbSchemaFile string `env:"SMQ_SPICEDB_SCHEMA_FILE" envDefault:"schema.zed"`
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}
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func main() {
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ctx, cancel := context.WithCancel(context.Background())
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g, ctx := errgroup.WithContext(ctx)
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// Create new clients configuration
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cfg := config{}
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if err := env.Parse(&cfg); err != nil {
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log.Fatalf("failed to load %s configuration : %s", svcName, err)
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}
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var logger *slog.Logger
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logger, err := smqlog.New(os.Stdout, cfg.LogLevel)
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if err != nil {
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log.Fatalf("failed to init logger: %s", err.Error())
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}
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var exitCode int
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defer smqlog.ExitWithError(&exitCode)
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if cfg.InstanceID == "" {
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if cfg.InstanceID, err = uuid.New().ID(); err != nil {
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logger.Error(fmt.Sprintf("failed to generate instanceID: %s", err))
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exitCode = 1
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return
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}
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}
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// Create new database for clients
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dbConfig := pgclient.Config{Name: defDB}
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if err := env.ParseWithOptions(&dbConfig, env.Options{Prefix: envPrefixDB}); err != nil {
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logger.Error(err.Error())
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exitCode = 1
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return
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}
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tm, err := postgres.Migration()
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if err != nil {
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logger.Error(err.Error())
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exitCode = 1
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return
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}
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db, err := pgclient.Setup(dbConfig, *tm)
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if err != nil {
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logger.Error(err.Error())
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exitCode = 1
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return
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}
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defer db.Close()
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tp, err := jaegerclient.NewProvider(ctx, svcName, cfg.JaegerURL, cfg.InstanceID, cfg.TraceRatio)
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if err != nil {
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logger.Error(fmt.Sprintf("Failed to init Jaeger: %s", err))
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exitCode = 1
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return
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}
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defer func() {
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if err := tp.Shutdown(ctx); err != nil {
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logger.Error(fmt.Sprintf("Error shutting down tracer provider: %v", err))
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}
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}()
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tracer := tp.Tracer(svcName)
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// Setup new redis cache client
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cacheclient, err := redisclient.Connect(cfg.CacheURL)
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if err != nil {
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logger.Error(err.Error())
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exitCode = 1
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return
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}
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defer cacheclient.Close()
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policyEvaluator, policyService, err := newSpiceDBPolicyServiceEvaluator(cfg, logger)
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if err != nil {
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logger.Error(err.Error())
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exitCode = 1
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return
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}
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logger.Info("Policy evaluator and Policy manager are successfully connected to SpiceDB gRPC server")
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grpcCfg := grpcclient.Config{}
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if err := env.ParseWithOptions(&grpcCfg, env.Options{Prefix: envPrefixAuth}); err != nil {
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logger.Error(fmt.Sprintf("failed to load auth gRPC client configuration : %s", err))
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exitCode = 1
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return
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}
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authn, authnClient, err := authsvcAuthn.NewAuthentication(ctx, grpcCfg)
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if err != nil {
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logger.Error(err.Error())
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exitCode = 1
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return
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}
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defer authnClient.Close()
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logger.Info("AuthN successfully connected to auth gRPC server " + authnClient.Secure())
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domsGrpcCfg := grpcclient.Config{}
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if err := env.ParseWithOptions(&domsGrpcCfg, env.Options{Prefix: envPrefixDomains}); err != nil {
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logger.Error(fmt.Sprintf("failed to load domains gRPC client configuration : %s", err))
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exitCode = 1
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return
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}
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domAuthz, _, domainsHandler, err := domainsAuthz.NewAuthorization(ctx, domsGrpcCfg)
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if err != nil {
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logger.Error(err.Error())
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exitCode = 1
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return
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}
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defer domainsHandler.Close()
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authz, authzClient, err := authsvcAuthz.NewAuthorization(ctx, grpcCfg, domAuthz)
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if err != nil {
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logger.Error(err.Error())
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exitCode = 1
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return
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}
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defer authzClient.Close()
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logger.Info("AuthZ successfully connected to auth gRPC server " + authnClient.Secure())
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chgrpccfg := grpcclient.Config{}
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if err := env.ParseWithOptions(&chgrpccfg, env.Options{Prefix: envPrefixChannels}); err != nil {
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logger.Error(fmt.Sprintf("failed to load channels gRPC client configuration : %s", err))
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exitCode = 1
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return
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}
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channelsgRPC, channelsClient, err := grpcclient.SetupChannelsClient(ctx, chgrpccfg)
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if err != nil {
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logger.Error(err.Error())
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exitCode = 1
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return
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}
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logger.Info("Channels gRPC client successfully connected to channels gRPC server " + channelsClient.Secure())
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defer channelsClient.Close()
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groupsgRPCCfg := grpcclient.Config{}
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if err := env.ParseWithOptions(&groupsgRPCCfg, env.Options{Prefix: envPrefixGroups}); err != nil {
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logger.Error(fmt.Sprintf("failed to load groups gRPC client configuration : %s", err))
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exitCode = 1
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return
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}
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groupsClient, groupsHandler, err := grpcclient.SetupGroupsClient(ctx, groupsgRPCCfg)
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if err != nil {
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logger.Error(fmt.Sprintf("failed to connect to groups gRPC server: %s", err))
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exitCode = 1
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return
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}
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defer groupsHandler.Close()
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logger.Info("Groups gRPC client successfully connected to groups gRPC server " + groupsHandler.Secure())
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svc, psvc, err := newService(ctx, db, dbConfig, authz, policyEvaluator, policyService, cacheclient, cfg, channelsgRPC, groupsClient, tracer, logger)
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if err != nil {
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logger.Error(fmt.Sprintf("failed to create services: %s", err))
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exitCode = 1
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return
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}
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ddatabase := pg.NewDatabase(db, dbConfig, tracer)
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drepo := dpostgres.NewRepository(ddatabase)
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if err := dconsumer.DomainsEventsSubscribe(ctx, drepo, cfg.ESURL, cfg.ESConsumerName, logger); err != nil {
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logger.Error(fmt.Sprintf("failed to create domains event store : %s", err))
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exitCode = 1
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return
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}
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gdatabase := pg.NewDatabase(db, dbConfig, tracer)
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grepo := gpostgres.New(gdatabase)
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if err := gconsumer.GroupsEventsSubscribe(ctx, grepo, cfg.ESURL, cfg.ESConsumerName, logger); err != nil {
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logger.Error(fmt.Sprintf("failed to create groups event store : %s", err))
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exitCode = 1
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return
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}
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httpServerConfig := server.Config{Port: defSvcHTTPPort}
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if err := env.ParseWithOptions(&httpServerConfig, env.Options{Prefix: envPrefixHTTP}); err != nil {
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logger.Error(fmt.Sprintf("failed to load %s HTTP server configuration : %s", svcName, err))
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exitCode = 1
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return
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}
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mux := chi.NewRouter()
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httpSvc := httpserver.NewServer(ctx, cancel, svcName, httpServerConfig, httpapi.MakeHandler(svc, authn, mux, logger, cfg.InstanceID), logger)
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grpcServerConfig := server.Config{Port: defSvcAuthGRPCPort}
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if err := env.ParseWithOptions(&grpcServerConfig, env.Options{Prefix: envPrefixGRPC}); err != nil {
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logger.Error(fmt.Sprintf("failed to load %s gRPC server configuration : %s", svcName, err))
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exitCode = 1
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return
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}
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registerClientsServer := func(srv *grpc.Server) {
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reflection.Register(srv)
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grpcClientsV1.RegisterClientsServiceServer(srv, grpcapi.NewServer(psvc))
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}
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gs := grpcserver.NewServer(ctx, cancel, svcName, grpcServerConfig, registerClientsServer, logger)
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if cfg.SendTelemetry {
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chc := chclient.New(svcName, supermq.Version, logger, cancel)
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go chc.CallHome(ctx)
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}
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// Start all servers
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g.Go(func() error {
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return httpSvc.Start()
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})
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g.Go(func() error {
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return gs.Start()
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})
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g.Go(func() error {
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return server.StopSignalHandler(ctx, cancel, logger, svcName, httpSvc)
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})
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if err := g.Wait(); err != nil {
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logger.Error(fmt.Sprintf("%s service terminated: %s", svcName, err))
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}
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}
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func newService(ctx context.Context, db *sqlx.DB, dbConfig pgclient.Config, authz smqauthz.Authorization, pe policies.Evaluator, ps policies.Service, cacheClient *redis.Client, cfg config, channels grpcChannelsV1.ChannelsServiceClient, groups grpcGroupsV1.GroupsServiceClient, tracer trace.Tracer, logger *slog.Logger) (clients.Service, pClients.Service, error) {
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database := pg.NewDatabase(db, dbConfig, tracer)
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repo := postgres.NewRepository(database)
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idp := uuid.New()
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sidp, err := sid.New()
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if err != nil {
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return nil, nil, err
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}
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// Clients service
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cache := cache.NewCache(cacheClient, cfg.CacheKeyDuration)
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availableActions, builtInRoles, err := availableActionsAndBuiltInRoles(cfg.SpicedbSchemaFile)
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if err != nil {
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return nil, nil, err
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}
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csvc, err := clients.NewService(repo, ps, cache, channels, groups, idp, sidp, availableActions, builtInRoles)
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if err != nil {
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return nil, nil, err
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}
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csvc, err = events.NewEventStoreMiddleware(ctx, csvc, cfg.ESURL)
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if err != nil {
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return nil, nil, err
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}
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csvc = tracing.New(csvc, tracer)
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counter, latency := prometheus.MakeMetrics(svcName, "api")
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csvc = middleware.MetricsMiddleware(csvc, counter, latency)
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csvc = middleware.MetricsMiddleware(csvc, counter, latency)
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csvc, err = middleware.AuthorizationMiddleware(policies.ClientType, csvc, authz, repo, clients.NewOperationPermissionMap(), clients.NewRolesOperationPermissionMap(), clients.NewExternalOperationPermissionMap())
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if err != nil {
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return nil, nil, err
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}
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csvc = middleware.LoggingMiddleware(csvc, logger)
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isvc := pClients.New(repo, cache, pe, ps)
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return csvc, isvc, err
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}
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func newSpiceDBPolicyServiceEvaluator(cfg config, logger *slog.Logger) (policies.Evaluator, policies.Service, error) {
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client, err := authzed.NewClientWithExperimentalAPIs(
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fmt.Sprintf("%s:%s", cfg.SpicedbHost, cfg.SpicedbPort),
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grpc.WithTransportCredentials(insecure.NewCredentials()),
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grpcutil.WithInsecureBearerToken(cfg.SpicedbPreSharedKey),
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)
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if err != nil {
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return nil, nil, err
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}
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pe := spicedb.NewPolicyEvaluator(client, logger)
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ps := spicedb.NewPolicyService(client, logger)
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return pe, ps, nil
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}
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func availableActionsAndBuiltInRoles(spicedbSchemaFile string) ([]roles.Action, map[roles.BuiltInRoleName][]roles.Action, error) {
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availableActions, err := spicedbdecoder.GetActionsFromSchema(spicedbSchemaFile, policies.ClientType)
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if err != nil {
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return []roles.Action{}, map[roles.BuiltInRoleName][]roles.Action{}, err
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}
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builtInRoles := map[roles.BuiltInRoleName][]roles.Action{
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clients.BuiltInRoleAdmin: availableActions,
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}
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return availableActions, builtInRoles, err
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}
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