Initial QSfera import

Server/services/proxy/pkg/server/debug/option.go

@@ -0,0 +1,50 @@
+package debug
+
+import (
+	"context"
+
+	"github.com/qsfera/server/pkg/log"
+	"github.com/qsfera/server/services/proxy/pkg/config"
+)
+
+// Option defines a single option function.
+type Option func(o *Options)
+
+// Options defines the available options for this package.
+type Options struct {
+	Logger  log.Logger
+	Context context.Context
+	Config  *config.Config
+}
+
+// newOptions initializes the available default options.
+func newOptions(opts ...Option) Options {
+	opt := Options{}
+
+	for _, o := range opts {
+		o(&opt)
+	}
+
+	return opt
+}
+
+// Logger provides a function to set the logger option.
+func Logger(val log.Logger) Option {
+	return func(o *Options) {
+		o.Logger = val
+	}
+}
+
+// Context provides a function to set the context option.
+func Context(val context.Context) Option {
+	return func(o *Options) {
+		o.Context = val
+	}
+}
+
+// Config provides a function to set the config option.
+func Config(val *config.Config) Option {
+	return func(o *Options) {
+		o.Config = val
+	}
+}

Server/services/proxy/pkg/server/debug/server.go

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+package debug
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/ggwhite/go-masker"
+
+	"github.com/qsfera/server/pkg/checks"
+	"github.com/qsfera/server/pkg/handlers"
+	"github.com/qsfera/server/pkg/service/debug"
+	"github.com/qsfera/server/pkg/version"
+	"github.com/qsfera/server/services/proxy/pkg/config"
+)
+
+// Server initializes the debug service and server.
+func Server(opts ...Option) (*http.Server, error) {
+	options := newOptions(opts...)
+
+	healthHandlerConfiguration := handlers.NewCheckHandlerConfiguration().
+		WithLogger(options.Logger).
+		WithCheck("web reachability", checks.NewHTTPCheck(options.Config.HTTP.Addr))
+
+	readyHandlerConfiguration := healthHandlerConfiguration.
+		WithCheck("nats reachability", checks.NewNatsCheck(options.Config.Events.Endpoint))
+
+	var configDumpFunc http.HandlerFunc = configDump(options.Config)
+	return debug.NewService(
+		debug.Logger(options.Logger),
+		debug.Name(options.Config.Service.Name),
+		debug.Version(version.GetString()),
+		debug.Address(options.Config.Debug.Addr),
+		debug.Token(options.Config.Debug.Token),
+		debug.Pprof(options.Config.Debug.Pprof),
+		debug.Zpages(options.Config.Debug.Zpages),
+		debug.Health(handlers.NewCheckHandler(healthHandlerConfiguration)),
+		debug.Ready(handlers.NewCheckHandler(readyHandlerConfiguration)),
+		debug.ConfigDump(configDumpFunc),
+	), nil
+}
+
+// configDump implements the config dump
+func configDump(cfg *config.Config) func(http.ResponseWriter, *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+
+		maskedCfg, err := masker.Struct(cfg)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+		}
+
+		b, err := json.Marshal(maskedCfg)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+		}
+
+		_, _ = w.Write(b)
+	}
+}

Server/services/proxy/pkg/server/http/option.go

@@ -0,0 +1,87 @@
+package http
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/qsfera/server/pkg/log"
+	"github.com/qsfera/server/services/proxy/pkg/config"
+	"github.com/qsfera/server/services/proxy/pkg/metrics"
+
+	"github.com/justinas/alice"
+	"github.com/spf13/pflag"
+)
+
+// Option defines a single option function.
+type Option func(o *Options)
+
+// Options defines the available options for this package.
+type Options struct {
+	Logger      log.Logger
+	Context     context.Context
+	Config      *config.Config
+	Handler     http.Handler
+	Metrics     *metrics.Metrics
+	Flags       []pflag.Flag
+	Middlewares alice.Chain
+}
+
+// newOptions initializes the available default options.
+func newOptions(opts ...Option) Options {
+	opt := Options{}
+
+	for _, o := range opts {
+		o(&opt)
+	}
+
+	return opt
+}
+
+// Logger provides a function to set the logger option.
+func Logger(val log.Logger) Option {
+	return func(o *Options) {
+		o.Logger = val
+	}
+}
+
+// Context provides a function to set the context option.
+func Context(val context.Context) Option {
+	return func(o *Options) {
+		o.Context = val
+	}
+}
+
+// Config provides a function to set the config option.
+func Config(val *config.Config) Option {
+	return func(o *Options) {
+		o.Config = val
+	}
+}
+
+// Metrics provides a function to set the metrics option.
+func Metrics(val *metrics.Metrics) Option {
+	return func(o *Options) {
+		o.Metrics = val
+	}
+}
+
+// Flags provides a function to set the flags option.
+func Flags(flags ...pflag.Flag) Option {
+	return func(o *Options) {
+		o.Flags = append(o.Flags, flags...)
+	}
+}
+
+// Handler provides a function to set the Handler option.
+func Handler(h http.Handler) Option {
+	return func(o *Options) {
+		o.Handler = h
+	}
+}
+
+// Middlewares provides a function to register middlewares
+func Middlewares(val alice.Chain) Option {
+	return func(o *Options) {
+		o.Middlewares = val
+	}
+}

Server/services/proxy/pkg/server/http/server.go

@@ -0,0 +1,61 @@
+package http
+
+import (
+	"fmt"
+	"os"
+
+	pkgcrypto "github.com/qsfera/server/pkg/crypto"
+	"github.com/qsfera/server/pkg/service/http"
+	"github.com/qsfera/server/pkg/shared"
+	"github.com/qsfera/server/pkg/version"
+	"go-micro.dev/v4"
+)
+
+// Server initializes the http service and server.
+func Server(opts ...Option) (http.Service, error) {
+	options := newOptions(opts...)
+	l := options.Logger
+	httpCfg := options.Config.HTTP
+
+	if options.Config.HTTP.TLS {
+		l.Warn().Msgf("No tls certificate provided, using a generated one")
+		_, certErr := os.Stat(httpCfg.TLSCert)
+		_, keyErr := os.Stat(httpCfg.TLSKey)
+
+		if os.IsNotExist(certErr) || os.IsNotExist(keyErr) {
+			// GenCert has side effects as it writes 2 files to the binary running location
+			if err := pkgcrypto.GenCert(httpCfg.TLSCert, httpCfg.TLSKey, l); err != nil {
+				l.Fatal().Err(err).Msgf("Could not generate test-certificate")
+				os.Exit(1)
+			}
+		}
+	}
+	chain := options.Middlewares.Then(options.Handler)
+
+	service, err := http.NewService(
+		http.Name(options.Config.Service.Name),
+		http.Version(version.GetString()),
+		http.TLSConfig(shared.HTTPServiceTLS{
+			Enabled: options.Config.HTTP.TLS,
+			Cert:    options.Config.HTTP.TLSCert,
+			Key:     options.Config.HTTP.TLSKey,
+		}),
+		http.Logger(options.Logger),
+		http.Address(options.Config.HTTP.Addr),
+		http.Namespace(options.Config.HTTP.Namespace),
+		http.Context(options.Context),
+		http.Flags(options.Flags...),
+	)
+	if err != nil {
+		options.Logger.Error().
+			Err(err).
+			Msg("Error initializing http service")
+		return http.Service{}, fmt.Errorf("could not initialize http service: %w", err)
+	}
+
+	if err := micro.RegisterHandler(service.Server(), chain); err != nil {
+		return http.Service{}, err
+	}
+
+	return service, nil
+}