ekko: add gzip, move recover middleware to run early

ekko: helper to setup labstack echo with logging, tracing, etc
tracing: refactor code, support more exporters with default environment configuration
2024-09-21 00:53:10 -07:00 · 2024-09-20 21:47:10 -07:00 · 2024-09-14 00:47:07 -07:00 · 2024-08-18 18:11:17 -07:00 · 2024-07-07 13:05:06 -07:00 · 2024-07-06 13:04:48 -07:00
14 changed files with 782 additions and 193 deletions
--- a/10
+++ b/10
@@ -0,0 +1,10 @@
+Copyright (c) 2012-2024 Develooper LLC
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted (subject to the limitations in the disclaimer below) provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+* Neither the name of Develooper LLC nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--- a/config/config.go
+++ b/config/config.go
@@ -0,0 +1,90 @@
+// Package config provides NTP Pool specific
+// configuration tools.
+package config
+
+import (
+	"net/url"
+	"os"
+	"strconv"
+	"strings"
+
+	"go.ntppool.org/common/logger"
+)
+
+//go:generate accessory -type Config
+
+type Config struct {
+	deploymentMode string `accessor:"getter"`
+
+	manageHostname string `accessor:"getter"`
+	manageTLS      bool
+
+	webHostname  string `accessor:"getter"`
+	webHostnames []string
+	webTLS       bool
+
+	valid bool `accessor:"getter"`
+}
+
+func New() *Config {
+	c := Config{}
+	c.deploymentMode = os.Getenv("deployment_mode")
+	c.manageHostname = os.Getenv("manage_hostname")
+
+	c.webHostnames = strings.Split(os.Getenv("web_hostname"), ",")
+	for i, h := range c.webHostnames {
+		c.webHostnames[i] = strings.TrimSpace(h)
+	}
+	if len(c.webHostnames) > 0 {
+		c.webHostname = c.webHostnames[0]
+		c.valid = true
+	}
+
+	c.manageTLS = parseBool(os.Getenv("manage_tls"))
+	c.webTLS = parseBool(os.Getenv("web_tls"))
+
+	return &c
+}
+
+func (c *Config) WebURL(path string, query *url.Values) string {
+	return baseURL(c.webHostname, c.webTLS, path, query)
+}
+
+func baseURL(host string, tls bool, path string, query *url.Values) string {
+	uri := url.URL{}
+	uri.Host = host
+	if tls {
+		uri.Scheme = "https"
+	} else {
+		uri.Scheme = "http"
+	}
+	uri.Path = path
+	if query != nil {
+		uri.RawQuery = query.Encode()
+	}
+
+	return uri.String()
+}
+
+func parseBool(s string) bool {
+	switch strings.ToLower(s) {
+	case "yes":
+		return true
+	case "y":
+		return true
+	case "no":
+		return false
+	case "n":
+		return false
+	case "":
+		return false
+	}
+
+	t, err := strconv.ParseBool(s)
+	if err != nil {
+		logger.Setup().Error("could not parse bool", "string", s, "err", err)
+		return false
+	}
+
+	return t
+}
--- a/config/config_accessor.go
+++ b/config/config_accessor.go
@@ -0,0 +1,31 @@
+// Code generated by accessory; DO NOT EDIT.
+
+package config
+
+func (c *Config) DeploymentMode() string {
+	if c == nil {
+		return ""
+	}
+	return c.deploymentMode
+}
+
+func (c *Config) ManageHostname() string {
+	if c == nil {
+		return ""
+	}
+	return c.manageHostname
+}
+
+func (c *Config) WebHostname() string {
+	if c == nil {
+		return ""
+	}
+	return c.webHostname
+}
+
+func (c *Config) Valid() bool {
+	if c == nil {
+		return false
+	}
+	return c.valid
+}
--- a/config/config_test.go
+++ b/config/config_test.go
@@ -0,0 +1,26 @@
+package config
+
+import (
+	"net/url"
+	"os"
+	"testing"
+)
+
+func TestBaseURL(t *testing.T) {
+
+	os.Setenv("web_hostname", "www.ntp.dev, web.ntppool.dev")
+	os.Setenv("web_tls", "yes")
+
+	c := New()
+	if !c.Valid() {
+		t.Fatalf("config not valid")
+	}
+
+	q := url.Values{}
+	q.Set("foo", "bar")
+	u := c.WebURL("/foo", &q)
+	if u != "https://www.ntp.dev/foo?foo=bar" {
+		t.Fatalf("unexpected WebURL: %s", u)
+	}
+
+}
--- a/ekko/ekko.go
+++ b/ekko/ekko.go
@@ -0,0 +1,154 @@
+package ekko
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"net/http"
+	"time"
+
+	"github.com/labstack/echo-contrib/echoprometheus"
+	"github.com/labstack/echo/v4"
+	"github.com/labstack/echo/v4/middleware"
+	slogecho "github.com/samber/slog-echo"
+	"go.ntppool.org/common/logger"
+	"go.ntppool.org/common/version"
+	"go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/trace"
+	"golang.org/x/sync/errgroup"
+)
+
+func New(name string, options ...func(*Ekko)) (*Ekko, error) {
+	ek := &Ekko{}
+	for _, o := range options {
+		o(ek)
+	}
+	return ek, nil
+}
+
+// Setup Echo; only intended for testing
+func (ek *Ekko) SetupEcho(ctx context.Context) (*echo.Echo, error) {
+	return ek.setup(ctx)
+}
+
+// Setup Echo and start the server. Will return if the http server
+// returns or the context is done.
+func (ek *Ekko) Start(ctx context.Context) error {
+	log := logger.Setup()
+
+	e, err := ek.setup(ctx)
+	if err != nil {
+		return err
+	}
+
+	g, ctx := errgroup.WithContext(ctx)
+	g.Go(func() error {
+		e.Server.Addr = fmt.Sprintf(":%d", ek.port)
+		log.Info("server starting", "port", ek.port)
+		err := e.Server.ListenAndServe()
+		if err == http.ErrServerClosed {
+			return nil
+		}
+		return err
+	})
+
+	g.Go(func() error {
+		<-ctx.Done()
+		shutdownCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+		defer cancel()
+		return e.Shutdown(shutdownCtx)
+	})
+
+	return g.Wait()
+}
+
+func (ek *Ekko) setup(ctx context.Context) (*echo.Echo, error) {
+	log := logger.Setup()
+
+	e := echo.New()
+
+	// todo: make these an option?
+	e.Server.ReadTimeout = 30 * time.Second
+	e.Server.WriteTimeout = 60 * time.Second
+
+	e.Server.BaseContext = func(_ net.Listener) context.Context {
+		return ctx
+	}
+
+	trustOptions := []echo.TrustOption{
+		echo.TrustLoopback(true),
+		echo.TrustLinkLocal(false),
+		echo.TrustPrivateNet(true),
+	}
+	e.IPExtractor = echo.ExtractIPFromXFFHeader(trustOptions...)
+
+	if ek.otelmiddleware == nil {
+		e.Use(otelecho.Middleware(ek.name))
+	} else {
+		e.Use(ek.otelmiddleware)
+	}
+
+	e.Use(middleware.RecoverWithConfig(middleware.RecoverConfig{
+		LogErrorFunc: func(c echo.Context, err error, stack []byte) error {
+			log.ErrorContext(c.Request().Context(), err.Error(), "stack", string(stack))
+			fmt.Println(string(stack))
+			return err
+		},
+	}))
+
+	e.Use(slogecho.NewWithConfig(log,
+		slogecho.Config{
+			WithTraceID: false, // done by logger already
+		},
+	))
+
+	if ek.prom != nil {
+		e.Use(echoprometheus.NewMiddlewareWithConfig(echoprometheus.MiddlewareConfig{
+			Subsystem:  ek.name,
+			Registerer: ek.prom,
+		}))
+	}
+
+	e.Use(middleware.Gzip())
+
+	e.Use(middleware.Secure())
+
+	e.Use(
+		func(next echo.HandlerFunc) echo.HandlerFunc {
+			return func(c echo.Context) error {
+				request := c.Request()
+
+				span := trace.SpanFromContext(request.Context())
+				if span.IsRecording() {
+
+					span.SetAttributes(attribute.String("http.real_ip", c.RealIP()))
+					span.SetAttributes(attribute.String("url.path", c.Request().RequestURI))
+					if q := c.QueryString(); len(q) > 0 {
+						span.SetAttributes(attribute.String("url.query", q))
+					}
+					c.Response().Header().Set("Traceparent", span.SpanContext().TraceID().String())
+				}
+				return next(c)
+			}
+		},
+	)
+
+	e.Use(func(next echo.HandlerFunc) echo.HandlerFunc {
+		vinfo := version.VersionInfo()
+		v := ek.name + "/" + vinfo.Version + "+" + vinfo.GitRevShort
+		return func(c echo.Context) error {
+			c.Response().Header().Set(echo.HeaderServer, v)
+			return next(c)
+		}
+	})
+
+	if ek.routeFn != nil {
+		err := ek.routeFn(e)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return e, nil
+}
--- a/ekko/options.go
+++ b/ekko/options.go
@@ -0,0 +1,40 @@
+package ekko
+
+import (
+	"github.com/labstack/echo/v4"
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+type Ekko struct {
+	name           string
+	prom           prometheus.Registerer
+	port           int
+	routeFn        func(e *echo.Echo) error
+	otelmiddleware echo.MiddlewareFunc
+}
+
+type RouteFn func(e *echo.Echo) error
+
+func WithPort(port int) func(*Ekko) {
+	return func(ek *Ekko) {
+		ek.port = port
+	}
+}
+
+func WithPrometheus(reg prometheus.Registerer) func(*Ekko) {
+	return func(ek *Ekko) {
+		ek.prom = reg
+	}
+}
+
+func WithEchoSetup(rfn RouteFn) func(*Ekko) {
+	return func(ek *Ekko) {
+		ek.routeFn = rfn
+	}
+}
+
+func WithOtelMiddleware(mw echo.MiddlewareFunc) func(*Ekko) {
+	return func(ek *Ekko) {
+		ek.otelmiddleware = mw
+	}
+}
--- a/go.mod
+++ b/go.mod
@@ -1,55 +1,75 @@
 module go.ntppool.org/common

-go 1.21.3
+go 1.22.2

 require (
 	github.com/abh/certman v0.4.0
-	github.com/labstack/echo/v4 v4.11.3
+	github.com/labstack/echo-contrib v0.17.1
+	github.com/labstack/echo/v4 v4.12.0
 	github.com/oklog/ulid/v2 v2.1.0
-	github.com/prometheus/client_golang v1.17.0
-	github.com/remychantenay/slog-otel v1.2.2
-	github.com/segmentio/kafka-go v0.4.45
-	github.com/spf13/cobra v1.8.0
-	go.opentelemetry.io/otel v1.21.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.21.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.21.0
-	go.opentelemetry.io/otel/sdk v1.21.0
-	go.opentelemetry.io/otel/trace v1.21.0
-	golang.org/x/mod v0.14.0
-	golang.org/x/sync v0.5.0
+	github.com/prometheus/client_golang v1.20.4
+	github.com/remychantenay/slog-otel v1.3.2
+	github.com/samber/slog-echo v1.14.7
+	github.com/segmentio/kafka-go v0.4.47
+	github.com/spf13/cobra v1.8.1
+	go.opentelemetry.io/contrib/exporters/autoexport v0.55.0
+	go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho v0.55.0
+	go.opentelemetry.io/otel v1.30.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.30.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.30.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.30.0
+	go.opentelemetry.io/otel/sdk v1.30.0
+	go.opentelemetry.io/otel/trace v1.30.0
+	golang.org/x/mod v0.21.0
+	golang.org/x/sync v0.8.0
+	google.golang.org/grpc v1.67.0
 )

 require (
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
-	github.com/go-logr/logr v1.3.0 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.18.1 // indirect
+	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.22.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/klauspost/compress v1.17.3 // indirect
-	github.com/labstack/gommon v0.4.1 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
+	github.com/labstack/gommon v0.4.2 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect
-	github.com/pierrec/lz4/v4 v4.1.18 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/pierrec/lz4/v4 v4.1.21 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/prometheus/client_model v0.5.0 // indirect
-	github.com/prometheus/common v0.45.0 // indirect
-	github.com/prometheus/procfs v0.12.0 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.59.1 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/samber/lo v1.47.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
-	go.opentelemetry.io/otel/metric v1.21.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.0.0 // indirect
-	golang.org/x/crypto v0.15.0 // indirect
-	golang.org/x/net v0.18.0 // indirect
-	golang.org/x/sys v0.14.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20231120223509-83a465c0220f // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f // indirect
-	google.golang.org/grpc v1.59.0 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	go.opentelemetry.io/contrib/bridges/prometheus v0.55.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.6.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.6.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.30.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.30.0 // indirect
+	go.opentelemetry.io/otel/exporters/prometheus v0.52.0 // indirect
+	go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.6.0 // indirect
+	go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.30.0 // indirect
+	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.30.0 // indirect
+	go.opentelemetry.io/otel/log v0.6.0 // indirect
+	go.opentelemetry.io/otel/metric v1.30.0 // indirect
+	go.opentelemetry.io/otel/sdk/log v0.6.0 // indirect
+	go.opentelemetry.io/otel/sdk/metric v1.30.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.3.1 // indirect
+	golang.org/x/crypto v0.27.0 // indirect
+	golang.org/x/net v0.29.0 // indirect
+	golang.org/x/sys v0.25.0 // indirect
+	golang.org/x/text v0.18.0 // indirect
+	golang.org/x/time v0.6.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -2,81 +2,86 @@ github.com/abh/certman v0.4.0 h1:XHoDtb0YyRQPclaHMrBDlKTVZpNjTK6vhB0S3Bd/Sbs=
 github.com/abh/certman v0.4.0/go.mod h1:x8QhpKVZifmV1Hdiwdg9gLo2GMPAxezz1s3zrVnPs+I=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
-github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
-github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
+github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
 github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-logr/logr v1.3.0 h1:2y3SDp0ZXuc6/cjLSZ+Q3ir+QB9T/iG5yYRXqsagWSY=
-github.com/go-logr/logr v1.3.0/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
+github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
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@@ -146,8 +173,8 @@ golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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@@ -160,30 +187,23 @@ golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
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+google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:qpvKtACPCQhAdu3PyQgV4l3LMXZEtft7y8QcarRsp9I=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
+google.golang.org/grpc v1.67.0 h1:IdH9y6PF5MPSdAntIcpjQ+tXO41pcQsfZV2RxtQgVcw=
+google.golang.org/grpc v1.67.0/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
+google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
--- a/health/health_server.go
+++ b/health/health_server.go
@@ -32,7 +32,7 @@ func (srv *Server) SetLogger(log *slog.Logger) {
 }

 func (srv *Server) Listen(ctx context.Context, port int) error {
-	srv.log.Info("Starting health listener", "port", port)
+	srv.log.Info("starting health listener", "port", port)

 	serveMux := http.NewServeMux()

--- a/scripts/run-goreleaser
+++ b/scripts/run-goreleaser
@@ -2,7 +2,16 @@

 set -euo pipefail

-go install github.com/goreleaser/goreleaser@v1.22.1
+go install github.com/goreleaser/goreleaser@v1.26.2
+
+if [ ! -z "${harbor_username:-}" ]; then
+  DOCKER_FILE=~/.docker/config.json
+  if [ ! -e $DOCKER_FILE ]; then
+    mkdir -p ~/.docker/
+    export harbor_auth=`cat /dev/null | jq -s -r '[ env.harbor_username, env.harbor_password ] | join(":") | @base64'`
+    echo '{"auths":{"harbor.ntppool.org":{"auth":""}}}' | jq '.auths["harbor.ntppool.org"].auth=env.harbor_auth' > $DOCKER_FILE
+  fi
+fi

 DRONE_TAG=${DRONE_TAG-""}

--- a/tracing/tracing.go
+++ b/tracing/tracing.go
@@ -7,21 +7,37 @@ import (
 	"context"
 	"crypto/tls"
 	"crypto/x509"
+	"errors"
 	"os"
+	"time"

 	"go.ntppool.org/common/logger"
 	"go.ntppool.org/common/version"
+	"google.golang.org/grpc/credentials"
+
+	"go.opentelemetry.io/contrib/exporters/autoexport"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace"
+	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
 	"go.opentelemetry.io/otel/propagation"
 	"go.opentelemetry.io/otel/sdk/resource"
 	otelsdktrace "go.opentelemetry.io/otel/sdk/trace"
-	semconv "go.opentelemetry.io/otel/semconv/v1.21.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
 	"go.opentelemetry.io/otel/trace"
 )

+const (
+	// svcNameKey is the environment variable name that Service Name information will be read from.
+	svcNameKey = "OTEL_SERVICE_NAME"
+
+	otelExporterOTLPProtoEnvKey       = "OTEL_EXPORTER_OTLP_PROTOCOL"
+	otelExporterOTLPTracesProtoEnvKey = "OTEL_EXPORTER_OTLP_TRACES_PROTOCOL"
+)
+
+var errInvalidOTLPProtocol = errors.New("invalid OTLP protocol - should be one of ['grpc', 'http/protobuf']")
+
 // https://github.com/open-telemetry/opentelemetry-go/blob/main/exporters/otlp/otlptrace/otlptracehttp/example_test.go

 type TpShutdownFunc func(ctx context.Context) error
@@ -41,107 +57,194 @@ type TracerConfig struct {
 	ServiceName string
 	Environment string
 	Endpoint    string
+	EndpointURL string

 	CertificateProvider GetClientCertificate
 	RootCAs             *x509.CertPool
 }

-var emptyTpShutdownFunc = func(_ context.Context) error {
-	return nil
+func InitTracer(ctx context.Context, cfg *TracerConfig) (TpShutdownFunc, error) {
+	// todo: setup environment from cfg
+	return SetupSDK(ctx, cfg)
 }

-func InitTracer(ctx context.Context, cfg *TracerConfig) (TpShutdownFunc, error) {
+func SetupSDK(ctx context.Context, cfg *TracerConfig) (shutdown TpShutdownFunc, err error) {

 	log := logger.Setup()

-	// exporter, err := srv.newStdoutExporter(os.Stdout)
+	if serviceName := os.Getenv(svcNameKey); len(serviceName) == 0 {
+		if len(cfg.ServiceName) > 0 {
+			os.Setenv(svcNameKey, cfg.ServiceName)
+		}
+	}
+
+	resources := []resource.Option{
+		resource.WithFromEnv(),      // Discover and provide attributes from OTEL_RESOURCE_ATTRIBUTES and OTEL_SERVICE_NAME environment variables.
+		resource.WithTelemetrySDK(), // Discover and provide information about the OpenTelemetry SDK used.
+		resource.WithProcess(),      // Discover and provide process information.
+		resource.WithOS(),           // Discover and provide OS information.
+		resource.WithContainer(),    // Discover and provide container information.
+		resource.WithHost(),         // Discover and provide host information.
+
+		// set above via os.Setenv() for WithFromEnv to find
+		// resource.WithAttributes(semconv.ServiceNameKey.String(cfg.ServiceName)),
+
+		resource.WithAttributes(semconv.ServiceVersionKey.String(version.Version())),
+	}
+
+	if len(cfg.Environment) > 0 {
+		resources = append(resources,
+			resource.WithAttributes(attribute.String("environment", cfg.Environment)),
+		)
+	}
+
+	res, err := resource.New(
+		context.Background(),
+		resources...,
+	)
+	if errors.Is(err, resource.ErrPartialResource) || errors.Is(err, resource.ErrSchemaURLConflict) {
+		log.Warn("otel resource setup", "err", err) // Log non-fatal issues.
+	} else if err != nil {
+		log.Error("otel resource setup", "err", err)
+		return
+	}
+
+	var shutdownFuncs []func(context.Context) error
+	shutdown = func(ctx context.Context) error {
+		var err error
+		for _, fn := range shutdownFuncs {
+			err = errors.Join(err, fn(ctx))
+		}
+		shutdownFuncs = nil
+		return err
+	}
+
+	// handleErr calls shutdown for cleanup and makes sure that all errors are returned.
+	handleErr := func(inErr error) {
+		err = errors.Join(inErr, shutdown(ctx))
+	}
+
+	prop := newPropagator()
+	otel.SetTextMapPropagator(prop)

-	var err error
 	var exporter otelsdktrace.SpanExporter

-	if otlpEndPoint := os.Getenv("OTEL_EXPORTER_OTLP_ENDPOINT"); len(otlpEndPoint) > 0 || len(cfg.Endpoint) > 0 {
+	switch os.Getenv("OTEL_TRACES_EXPORTER") {
+	case "":
 		exporter, err = newOLTPExporter(ctx, cfg)
+	case "otlp":
+		exporter, err = newOLTPExporter(ctx, cfg)
+	default:
+		exporter, err = autoexport.NewSpanExporter(ctx)
 	}
-
 	if err != nil {
-		return emptyTpShutdownFunc, err
+		handleErr(err)
+		return
 	}
+	shutdownFuncs = append(shutdownFuncs, exporter.Shutdown)

 	if exporter == nil {
 		log.Warn("tracing not configured")
-		return emptyTpShutdownFunc, nil
+		return
 	}

-	tp := otelsdktrace.NewTracerProvider(
-		otelsdktrace.WithSampler(otelsdktrace.AlwaysSample()),
-		otelsdktrace.WithBatcher(exporter),
-		otelsdktrace.WithResource(newResource(cfg)),
-	)
+	// Set up trace provider.
+	tracerProvider, err := newTraceProvider(exporter, res)
+	if err != nil {
+		handleErr(err)
+		return
+	}
+	shutdownFuncs = append(shutdownFuncs, tracerProvider.Shutdown)
+	otel.SetTracerProvider(tracerProvider)

-	otel.SetTracerProvider(tp)
+	if err != nil {
+		handleErr(err)
+		return
+	}

-	otel.SetTextMapPropagator(
-		propagation.NewCompositeTextMapPropagator(
-			propagation.TraceContext{}, // W3C Trace Context format; https://www.w3.org/TR/trace-context/
-			propagation.Baggage{},
-		),
-	)
-
-	return tp.Shutdown, nil
+	return
 }

 func newOLTPExporter(ctx context.Context, cfg *TracerConfig) (otelsdktrace.SpanExporter, error) {

-	logger.Setup().Warn("newOLTPExporter")
+	log := logger.Setup()

-	opts := []otlptracehttp.Option{otlptracehttp.WithCompression(otlptracehttp.GzipCompression)}
+	var tlsConfig *tls.Config

 	if cfg.CertificateProvider != nil {
-		logger.Setup().Info("setting up cert provider")
-		opts = append(opts, otlptracehttp.WithTLSClientConfig(&tls.Config{
+		tlsConfig = &tls.Config{
 			GetClientCertificate: cfg.CertificateProvider,
 			RootCAs:              cfg.RootCAs,
-		}))
-	} else {
-		logger.Setup().Info("no cert provider")
+		}
 	}

-	if len(cfg.Endpoint) > 0 {
-		opts = append(opts, otlptracehttp.WithEndpoint(cfg.Endpoint))
+	proto := os.Getenv(otelExporterOTLPTracesProtoEnvKey)
+	if proto == "" {
+		proto = os.Getenv(otelExporterOTLPProtoEnvKey)
+	}
+
+	// Fallback to default, http/protobuf.
+	if proto == "" {
+		proto = "http/protobuf"
+	}
+
+	var client otlptrace.Client
+
+	switch proto {
+	case "grpc":
+		opts := []otlptracegrpc.Option{
+			otlptracegrpc.WithCompressor("gzip"),
+		}
+		if tlsConfig != nil {
+			opts = append(opts, otlptracegrpc.WithTLSCredentials(credentials.NewTLS(tlsConfig)))
+		}
+		if len(cfg.Endpoint) > 0 {
+			opts = append(opts, otlptracegrpc.WithEndpoint(cfg.Endpoint))
+		}
+		if len(cfg.EndpointURL) > 0 {
+			opts = append(opts, otlptracegrpc.WithEndpointURL(cfg.EndpointURL))
+		}
+
+		client = otlptracegrpc.NewClient(opts...)
+	case "http/protobuf":
+		opts := []otlptracehttp.Option{
+			otlptracehttp.WithCompression(otlptracehttp.GzipCompression),
+		}
+		if tlsConfig != nil {
+			opts = append(opts, otlptracehttp.WithTLSClientConfig(tlsConfig))
+		}
+		if len(cfg.Endpoint) > 0 {
+			opts = append(opts, otlptracehttp.WithEndpoint(cfg.Endpoint))
+		}
+		if len(cfg.EndpointURL) > 0 {
+			opts = append(opts, otlptracehttp.WithEndpointURL(cfg.EndpointURL))
+		}
+
+		client = otlptracehttp.NewClient(opts...)
+	default:
+		return nil, errInvalidOTLPProtocol
 	}

-	client := otlptracehttp.NewClient(opts...)
 	exporter, err := otlptrace.New(ctx, client)
 	if err != nil {
-		logger.Setup().Error("creating OTLP trace exporter", "err", err)
+		log.ErrorContext(ctx, "creating OTLP trace exporter", "err", err)
 	}
 	return exporter, err
 }

-// func (srv *Server) newStdoutExporter(w io.Writer) (sdktrace.SpanExporter, error) {
-// 	return stdouttrace.New(
-// 		stdouttrace.WithWriter(w),
-// 		// Use human-readable output.
-// 		stdouttrace.WithPrettyPrint(),
-// 		// Do not print timestamps for the demo.
-// 		stdouttrace.WithoutTimestamps(),
-// 	)
-// }
-
-// newResource returns a resource describing this application.
-func newResource(cfg *TracerConfig) *resource.Resource {
-	r, err := resource.Merge(
-		resource.Default(),
-		resource.NewWithAttributes(
-			semconv.SchemaURL,
-			semconv.ServiceNameKey.String(cfg.ServiceName),
-			semconv.ServiceVersionKey.String(version.Version()),
-			attribute.String("environment", cfg.Environment),
+func newTraceProvider(traceExporter otelsdktrace.SpanExporter, res *resource.Resource) (*otelsdktrace.TracerProvider, error) {
+	traceProvider := otelsdktrace.NewTracerProvider(
+		otelsdktrace.WithResource(res),
+		otelsdktrace.WithBatcher(traceExporter,
+			otelsdktrace.WithBatchTimeout(time.Second*3),
 		),
 	)
-	if err != nil {
-		panic(err)
-	}
-
-	return r
+	return traceProvider, nil
+}
+
+func newPropagator() propagation.TextMapPropagator {
+	return propagation.NewCompositeTextMapPropagator(
+		propagation.TraceContext{},
+		propagation.Baggage{},
+	)
 }
--- a/tracing/tracing_test.go
+++ b/tracing/tracing_test.go
@@ -0,0 +1,22 @@
+package tracing
+
+import (
+	"context"
+	"os"
+	"testing"
+)
+
+func TestInit(t *testing.T) {
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	os.Setenv("OTEL_EXPORTER_OTLP_ENDPOINT", "localhost")
+
+	shutdownFn, err := InitTracer(ctx, &TracerConfig{})
+	if err != nil {
+		t.FailNow()
+	}
+	defer shutdownFn(ctx)
+
+}
--- a/types/log_scores.go
+++ b/types/log_scores.go
@@ -0,0 +1,52 @@
+package types
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
+)
+
+type LogScoreAttributes struct {
+	Leap       int8   `json:"leap,omitempty"`
+	Stratum    int8   `json:"stratum,omitempty"`
+	NoResponse bool   `json:"no_response,omitempty"`
+	Error      string `json:"error,omitempty"`
+	Warning    string `json:"warning,omitempty"`
+
+	FromLSID int `json:"from_ls_id,omitempty"`
+	FromSSID int `json:"from_ss_id,omitempty"`
+}
+
+func (lsa *LogScoreAttributes) String() string {
+	b, err := json.Marshal(lsa)
+	if err != nil {
+		return ""
+	}
+	return string(b)
+}
+
+func (lsa *LogScoreAttributes) Value() (driver.Value, error) {
+	return json.Marshal(lsa)
+}
+
+func (lsa *LogScoreAttributes) Scan(value interface{}) error {
+	var source []byte
+	_t := LogScoreAttributes{}
+
+	switch v := value.(type) {
+	case []uint8:
+		source = v
+	case string:
+		source = []byte(v)
+	case nil:
+		return nil
+	default:
+		return errors.New("incompatible type for StringInterfaceMap")
+	}
+	err := json.Unmarshal(source, &_t)
+	if err != nil {
+		return err
+	}
+	*lsa = _t
+	return nil
+}
--- a/version/version.go
+++ b/version/version.go
@@ -92,6 +92,7 @@ func VersionCmd(name string) *cobra.Command {

 func RegisterMetric(name string, registry prometheus.Registerer) {
 	if len(name) > 0 {
+		name = strings.ReplaceAll(name, "-", "_")
 		name = name + "_build_info"
 	} else {
 		name = "build_info"
@@ -152,3 +153,14 @@ func Version() string {
 	v = fmt.Sprintf("%s (%s)", v, strings.Join(extra, ", "))
 	return v
 }
+
+func CheckVersion(version, minimumVersion string) bool {
+	if version == "dev-snapshot" {
+		return true
+	}
+	if semver.Compare(version, minimumVersion) < 0 {
+		// log.Debug("version too old", "v", cl.Version.Version)
+		return false
+	}
+	return true
+}
Author	SHA1	Message	Date
Ask Bjørn Hansen	d6a77f4003	ekko: add gzip, move recover middleware to run early	2024-09-21 00:53:10 -07:00
Ask Bjørn Hansen	3f3fb29bc9	ekko: helper to setup labstack echo with logging, tracing, etc	2024-09-20 21:47:10 -07:00
Ask Bjørn Hansen	8e898d9c59	tracing: refactor code, support more exporters with default environment configuration	2024-09-14 00:47:07 -07:00
Ask Bjørn Hansen	1ecd5684e6	version: Add CheckVersion() function	2024-08-18 18:11:17 -07:00
Ask Bjørn Hansen	59580b50ba	scripts: update goreleaser	2024-07-07 13:05:06 -07:00
Ask Bjørn Hansen	9a86b2aaf5	tracing: semconv v1.26.0	2024-07-06 13:04:48 -07:00
Ask Bjørn Hansen	bcf7232154	Update dependencies + otel schema 1.25	2024-06-08 00:14:42 -07:00
Ask Bjørn Hansen	9934dc8e36	Update Go, slog-otel, prometheus client	2024-04-06 09:42:41 -07:00
Ask Bjørn Hansen	a458dcb226	tracing: add EndpointURL option	2024-03-16 10:40:43 -07:00
Ask Bjørn Hansen	4ed44c72a4	Update dependencies	2024-03-09 21:57:46 -08:00
Ask Bjørn Hansen	8a8ff93996	scripts: goreleaser 1.24.0	2024-02-10 19:10:01 -08:00
Ask Bjørn Hansen	1e8785bd32	version: fix metric name for services with dash in the name	2024-02-03 00:21:31 -08:00
Ask Bjørn Hansen	5aeaa97c6f	Add BSD license (for pkg.go.dev)	2024-01-20 11:48:32 -07:00
Ask Bjørn Hansen	df2285d355	tracing: update semconv, better error checking	2024-01-19 22:59:29 -08:00
Ask Bjørn Hansen	232a6f98df	tracing: add minimal test	2024-01-19 22:48:14 -08:00
Ask Bjørn Hansen	4f6b09200f	Update dependencies	2024-01-12 23:12:15 -08:00
Ask Bjørn Hansen	7085202154	Update goreleaser	2024-01-12 22:17:07 -08:00
Ask Bjørn Hansen	5c7ae6ab8a	Basic config package to parse NTP Pool system config	2023-12-10 20:43:38 -08:00
Ask Bjørn Hansen	608f05d395	types: shared data types	2023-12-10 19:16:13 -08:00
Ask Bjørn Hansen	b5420f9dbd	build: private repository support for drone / goreleaser	2023-12-10 19:15:49 -08:00