Initial QSfera import

Server/services/policies/pkg/command/health.go

@@ -0,0 +1,54 @@
+package command
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/qsfera/server/pkg/config/configlog"
+	"github.com/qsfera/server/pkg/log"
+	"github.com/qsfera/server/services/policies/pkg/config"
+	"github.com/qsfera/server/services/policies/pkg/config/parser"
+
+	"github.com/spf13/cobra"
+)
+
+// Health is the entrypoint for the health command.
+func Health(cfg *config.Config) *cobra.Command {
+	return &cobra.Command{
+		Use:   "health",
+		Short: "check health status",
+		PreRunE: func(cmd *cobra.Command, args []string) error {
+			return configlog.ReturnError(parser.ParseConfig(cfg))
+		},
+		RunE: func(cmd *cobra.Command, args []string) error {
+			logger := log.Configure(cfg.Service.Name, cfg.Commons, cfg.LogLevel)
+
+			resp, err := http.Get(
+				fmt.Sprintf(
+					"http://%s/healthz",
+					cfg.Debug.Addr,
+				),
+			)
+
+			if err != nil {
+				logger.Fatal().
+					Err(err).
+					Msg("Failed to request health check")
+			}
+
+			defer resp.Body.Close()
+
+			if resp.StatusCode != http.StatusOK {
+				logger.Fatal().
+					Int("code", resp.StatusCode).
+					Msg("Health seems to be in bad state")
+			}
+
+			logger.Debug().
+				Int("code", resp.StatusCode).
+				Msg("Health got a good state")
+
+			return nil
+		},
+	}
+}

Server/services/policies/pkg/command/root.go

@@ -0,0 +1,31 @@
+package command
+
+import (
+	"os"
+
+	"github.com/qsfera/server/pkg/clihelper"
+	"github.com/qsfera/server/services/policies/pkg/config"
+
+	"github.com/spf13/cobra"
+)
+
+// GetCommands provides all commands for this service
+func GetCommands(cfg *config.Config) []*cobra.Command {
+	return []*cobra.Command{
+		Server(cfg),
+		Health(cfg),
+		Version(cfg),
+	}
+}
+
+// Execute is the entry point for the policies command.
+func Execute(cfg *config.Config) error {
+	app := clihelper.DefaultApp(&cobra.Command{
+		Use:   "policies",
+		Short: "Serve policies for КуСфера",
+	})
+	app.AddCommand(GetCommands(cfg)...)
+	app.SetArgs(os.Args[1:])
+
+	return app.ExecuteContext(cfg.Context)
+}

Server/services/policies/pkg/command/server.go

@@ -0,0 +1,146 @@
+package command
+
+import (
+	"context"
+	"fmt"
+	"os/signal"
+
+	"github.com/qsfera/server/pkg/config/configlog"
+	"github.com/qsfera/server/pkg/generators"
+	"github.com/qsfera/server/pkg/log"
+	"github.com/qsfera/server/pkg/runner"
+	"github.com/qsfera/server/pkg/service/grpc"
+	"github.com/qsfera/server/pkg/tracing"
+	"github.com/qsfera/server/pkg/version"
+	svcProtogen "github.com/qsfera/server/protogen/gen/qsfera/services/policies/v0"
+	"github.com/qsfera/server/services/policies/pkg/config"
+	"github.com/qsfera/server/services/policies/pkg/config/parser"
+	"github.com/qsfera/server/services/policies/pkg/engine/opa"
+	"github.com/qsfera/server/services/policies/pkg/server/debug"
+	svcEvent "github.com/qsfera/server/services/policies/pkg/service/event"
+	svcGRPC "github.com/qsfera/server/services/policies/pkg/service/grpc"
+	"github.com/opencloud-eu/reva/v2/pkg/events/stream"
+
+	"github.com/spf13/cobra"
+)
+
+// Server is the entrypoint for the server command.
+func Server(cfg *config.Config) *cobra.Command {
+	return &cobra.Command{
+		Use:   "server",
+		Short: fmt.Sprintf("start the %s service without runtime (unsupervised mode)", "authz"),
+		PreRunE: func(cmd *cobra.Command, args []string) error {
+			return configlog.ReturnFatal(parser.ParseConfig(cfg))
+		},
+		RunE: func(cmd *cobra.Command, args []string) error {
+			var cancel context.CancelFunc
+			if cfg.Context == nil {
+				cfg.Context, cancel = signal.NotifyContext(context.Background(), runner.StopSignals...)
+				defer cancel()
+			}
+			ctx := cfg.Context
+
+			logger := log.Configure(cfg.Service.Name, cfg.Commons, cfg.LogLevel).SubloggerWithRequestID(ctx)
+
+			traceProvider, err := tracing.GetTraceProvider(cmd.Context(), cfg.Commons.TracesExporter, cfg.Service.Name)
+			if err != nil {
+				return err
+			}
+
+			e, err := opa.NewOPA(cfg.Engine.Timeout, logger, cfg.Engine)
+			if err != nil {
+				return err
+			}
+
+			gr := runner.NewGroup()
+			{
+				grpcClient, err := grpc.NewClient(
+					append(
+						grpc.GetClientOptions(cfg.GRPCClientTLS),
+						grpc.WithTraceProvider(traceProvider),
+					)...,
+				)
+				if err != nil {
+					return err
+				}
+
+				svc, err := grpc.NewServiceWithClient(
+					grpcClient,
+					grpc.Logger(logger),
+					grpc.TLSEnabled(cfg.GRPC.TLS.Enabled),
+					grpc.TLSCert(
+						cfg.GRPC.TLS.Cert,
+						cfg.GRPC.TLS.Key,
+					),
+					grpc.Name(cfg.Service.Name),
+					grpc.Context(ctx),
+					grpc.Address(cfg.GRPC.Addr),
+					grpc.Namespace(cfg.GRPC.Namespace),
+					grpc.Version(version.GetString()),
+					grpc.TraceProvider(traceProvider),
+				)
+				if err != nil {
+					return err
+				}
+
+				grpcSvc, err := svcGRPC.New(e)
+				if err != nil {
+					return err
+				}
+
+				if err := svcProtogen.RegisterPoliciesProviderHandler(
+					svc.Server(),
+					grpcSvc,
+				); err != nil {
+					return err
+				}
+
+				gr.Add(runner.NewGoMicroGrpcServerRunner(cfg.Service.Name+".grpc", svc))
+			}
+
+			{
+
+				connName := generators.GenerateConnectionName(cfg.Service.Name, generators.NTypeBus)
+				bus, err := stream.NatsFromConfig(connName, false, stream.NatsConfig(cfg.Events))
+				if err != nil {
+					return err
+				}
+
+				eventSvc, err := svcEvent.New(ctx, bus, logger, traceProvider, e, cfg.Postprocessing.Query)
+				if err != nil {
+					return err
+				}
+
+				gr.Add(runner.New(cfg.Service.Name+".svc", func() error {
+					return eventSvc.Run()
+				}, func() {
+					eventSvc.Close()
+				}))
+			}
+
+			{
+				debugServer, err := debug.Server(
+					debug.Logger(logger),
+					debug.Context(ctx),
+					debug.Config(cfg),
+				)
+				if err != nil {
+					logger.Info().Err(err).Str("transport", "debug").Msg("Failed to initialize server")
+					return err
+				}
+
+				gr.Add(runner.NewGolangHttpServerRunner(cfg.Service.Name+".debug", debugServer))
+			}
+
+			grResults := gr.Run(ctx)
+
+			// return the first non-nil error found in the results
+			for _, grResult := range grResults {
+				if grResult.RunnerError != nil {
+					return grResult.RunnerError
+				}
+			}
+			return nil
+		},
+	}
+}

Server/services/policies/pkg/command/version.go

@@ -0,0 +1,49 @@
+package command
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/qsfera/server/pkg/registry"
+	"github.com/qsfera/server/pkg/version"
+	"github.com/qsfera/server/services/policies/pkg/config"
+
+	"github.com/olekukonko/tablewriter"
+	"github.com/olekukonko/tablewriter/tw"
+	"github.com/spf13/cobra"
+)
+
+// Version prints the service versions of all running instances.
+func Version(cfg *config.Config) *cobra.Command {
+	return &cobra.Command{
+		Use:   "version",
+		Short: "print the version of this binary and the running service instances",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			fmt.Println("Version: " + version.GetString())
+			fmt.Printf("Compiled: %s\n", version.Compiled())
+			fmt.Println("")
+
+			reg := registry.GetRegistry()
+			services, err := reg.GetService(cfg.GRPC.Namespace + "." + cfg.Service.Name)
+			if err != nil {
+				fmt.Println(fmt.Errorf("could not get %s services from the registry: %v", cfg.Service.Name, err))
+				return err
+			}
+
+			if len(services) == 0 {
+				fmt.Println("No running " + cfg.Service.Name + " service found.")
+				return nil
+			}
+
+			table := tablewriter.NewTable(os.Stdout, tablewriter.WithHeaderAutoFormat(tw.Off))
+			table.Header([]string{"Version", "Address", "Id"})
+			for _, s := range services {
+				for _, n := range s.Nodes {
+					table.Append([]string{s.Version, n.Address, n.Id})
+				}
+			}
+			table.Render()
+			return nil
+		},
+	}
+}