version: Add CheckVersion() function

(for pkg.go.dev)

LICENSE

@@ -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.

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
+}

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
+}

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)
+	}
+
+}

go.mod

@@ -1,33 +1,56 @@
 module go.ntppool.org/common
 
-go 1.20
+go 1.22.2
 
 require (
 	github.com/abh/certman v0.4.0
+	github.com/labstack/echo/v4 v4.12.0
 	github.com/oklog/ulid/v2 v2.1.0
-	github.com/prometheus/client_golang v1.16.0
+	github.com/prometheus/client_golang v1.19.1
-	github.com/segmentio/kafka-go v0.4.42
+	github.com/remychantenay/slog-otel v1.3.1
-	github.com/spf13/cobra v1.7.0
+	github.com/segmentio/kafka-go v0.4.47
-	golang.org/x/exp v0.0.0-20230626212559-97b1e661b5df
+	github.com/spf13/cobra v1.8.1
-	golang.org/x/mod v0.11.0
+	go.opentelemetry.io/otel v1.28.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.28.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.28.0
+	go.opentelemetry.io/otel/sdk v1.28.0
+	go.opentelemetry.io/otel/trace v1.28.0
+	golang.org/x/mod v0.19.0
+	golang.org/x/sync v0.7.0
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
-	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/klauspost/compress v1.16.7 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/labstack/gommon v0.4.2 // indirect
-	github.com/pierrec/lz4/v4 v4.1.18 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // 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 v0.4.0 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.44.0 // indirect
+	github.com/prometheus/common v0.55.0 // indirect
-	github.com/prometheus/procfs v0.11.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/stretchr/testify v1.8.4 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
-	golang.org/x/net v0.11.0 // indirect
+	github.com/valyala/fasttemplate v1.2.2 // indirect
-	golang.org/x/sys v0.10.0 // indirect
+	go.opentelemetry.io/otel/metric v1.28.0 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.3.1 // indirect
+	golang.org/x/crypto v0.25.0 // indirect
+	golang.org/x/net v0.27.0 // indirect
+	golang.org/x/sys v0.22.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20240701130421-f6361c86f094 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 // indirect
+	google.golang.org/grpc v1.65.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
 )

go.sum

@@ -2,50 +2,101 @@ 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/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 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+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 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+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 v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
+github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
-github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
+github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
-github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
+github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
-github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
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 github.com/klauspost/compress v1.15.9/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
-github.com/klauspost/compress v1.16.7 h1:2mk3MPGNzKyxErAw8YaohYh69+pa4sIQSC0fPGCFR9I=
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-github.com/klauspost/compress v1.16.7/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
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-github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
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 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
+golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
+golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
+golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
+golang.org/x/term v0.13.0/go.mod h1:LTmsnFJwVN6bCy1rVCoS+qHT1HhALEFxKncY3WNNh4U=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.10.0 h1:UpjohKhiEgNc0CSauXmwYftY1+LlaC75SJwh0SgCX58=
+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
+golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/genproto/googleapis/api v0.0.0-20240314234333-6e1732d8331c h1:kaI7oewGK5YnVwj+Y+EJBO/YN1ht8iTL9XkFHtVZLsc=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/genproto/googleapis/api v0.0.0-20240314234333-6e1732d8331c/go.mod h1:VQW3tUculP/D4B+xVCo+VgSq8As6wA9ZjHl//pmk+6s=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/genproto/googleapis/api v0.0.0-20240401170217-c3f982113cda h1:b6F6WIV4xHHD0FA4oIyzU6mHWg2WI2X1RBehwa5QN38=
-google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
+google.golang.org/genproto/googleapis/api v0.0.0-20240401170217-c3f982113cda/go.mod h1:AHcE/gZH76Bk/ROZhQphlRoWo5xKDEtz3eVEO1LfA8c=
-google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
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+google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 h1:BwIjyKYGsK9dMCBOorzRri8MQwmi7mT9rGHsCEinZkA=
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+google.golang.org/grpc v1.62.1 h1:B4n+nfKzOICUXMgyrNd19h/I9oH0L1pizfk1d4zSgTk=
+google.golang.org/grpc v1.62.1/go.mod h1:IWTG0VlJLCh1SkC58F7np9ka9mx/WNkjl4PGJaiq+QE=
+google.golang.org/grpc v1.63.0 h1:WjKe+dnvABXyPJMD7KDNLxtoGk5tgk+YFWN6cBWjZE8=
+google.golang.org/grpc v1.63.0/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA=
+google.golang.org/grpc v1.64.0 h1:KH3VH9y/MgNQg1dE7b3XfVK0GsPSIzJwdF617gUSbvY=
+google.golang.org/grpc v1.64.0/go.mod h1:oxjF8E3FBnjp+/gVFYdWacaLDx9na1aqy9oovLpxQYg=
+google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc=
+google.golang.org/grpc v1.65.0/go.mod h1:WgYC2ypjlB0EiQi6wdKixMqukr6lBc0Vo+oOgjrM5ZQ=
+google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
+google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+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=

health/health_server.go

@@ -2,23 +2,43 @@ package health
 
 import (
 	"context"
+	"log/slog"
 	"net/http"
 	"strconv"
 	"time"
 
-	"golang.org/x/exp/slog"
+	"go.ntppool.org/common/logger"
+	"golang.org/x/sync/errgroup"
 )
 
-// HealthCheckListener runs simple http server on the specified port for
+type Server struct {
-// health check probes
+	log      *slog.Logger
-func HealthCheckListener(ctx context.Context, port int, log *slog.Logger) {
+	healthFn http.HandlerFunc
-	log.Info("Starting health listener", "port", port)
+}
+
+func NewServer(healthFn http.HandlerFunc) *Server {
+	if healthFn == nil {
+		healthFn = basicHealth
+	}
+	srv := &Server{
+		log:      logger.Setup(),
+		healthFn: healthFn,
+	}
+	return srv
+}
+
+func (srv *Server) SetLogger(log *slog.Logger) {
+	srv.log = log
+}
+
+func (srv *Server) Listen(ctx context.Context, port int) error {
+	srv.log.Info("Starting health listener", "port", port)
 
 	serveMux := http.NewServeMux()
 
-	serveMux.HandleFunc("/__health", basicHealth)
+	serveMux.HandleFunc("/__health", srv.healthFn)
 
-	srv := &http.Server{
+	hsrv := &http.Server{
 		Addr:         ":" + strconv.Itoa(port),
 		ReadTimeout:  10 * time.Second,
 		WriteTimeout: 20 * time.Second,
@@ -26,19 +46,39 @@ func HealthCheckListener(ctx context.Context, port int, log *slog.Logger) {
 		Handler:      serveMux,
 	}
 
-	go func() {
+	g, ctx := errgroup.WithContext(ctx)
-		err := srv.ListenAndServe()
+
+	g.Go(func() error {
+		err := hsrv.ListenAndServe()
 		if err != http.ErrServerClosed {
-			log.Warn("health check server done listening", "err", err)
+			srv.log.Warn("health check server done listening", "err", err)
+			return err
 		}
-	}()
+		return nil
+	})
 
 	<-ctx.Done()
 
-	if err := srv.Shutdown(ctx); err != nil {
+	ctx, cancel := context.WithTimeout(ctx, 2*time.Second)
-		log.Error("health check server shutdown failed", "err", err)
+	defer cancel()
-	}
 
+	g.Go(func() error {
+		if err := hsrv.Shutdown(ctx); err != nil {
+			srv.log.Error("health check server shutdown failed", "err", err)
+			return err
+		}
+		return nil
+	})
+
+	return g.Wait()
+}
+
+// HealthCheckListener runs simple http server on the specified port for
+// health check probes
+func HealthCheckListener(ctx context.Context, port int, log *slog.Logger) error {
+	srv := NewServer(nil)
+	srv.SetLogger(log)
+	return srv.Listen(ctx, port)
 }
 
 func basicHealth(w http.ResponseWriter, r *http.Request) {

kafka/kafka.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/abh/certman"
 	"github.com/segmentio/kafka-go"
+	"go.ntppool.org/common/logger"
 )
 
 const (
@@ -203,3 +204,17 @@ func (k *Kafka) NewWriter(topic string) (*kafka.Writer, error) {
 
 	return w, nil
 }
+
+func (k *Kafka) CheckPartitions() error {
+	partitions, err := k.conn.ReadPartitions()
+	if err != nil {
+		return err
+	}
+
+	// should this result in an error?
+	if len(partitions) == 0 {
+		log := logger.Setup()
+		log.Info("kafka connection has no partitions")
+	}
+	return nil
+}

logger/logger.go

@@ -3,11 +3,12 @@ package logger
 import (
 	"context"
 	"log"
+	"log/slog"
 	"os"
 	"strconv"
 	"sync"
 
-	"golang.org/x/exp/slog"
+	slogotel "github.com/remychantenay/slog-otel"
 )
 
 var ConfigPrefix = ""
@@ -41,8 +42,7 @@ func Setup() *slog.Logger {
 			logReplace := func(groups []string, a slog.Attr) slog.Attr {
 				// Remove time
 				if a.Key == slog.TimeKey && len(groups) == 0 {
-					a.Key = ""
+					return slog.Attr{}
-					a.Value = slog.AnyValue(nil)
 				}
 				return a
 			}
@@ -50,7 +50,9 @@ func Setup() *slog.Logger {
 			logOptions.ReplaceAttr = logReplace
 		}
 
-		logHandler := slog.NewTextHandler(os.Stderr, logOptions)
+		logHandler := slogotel.OtelHandler{
+			Next: slog.NewTextHandler(os.Stderr, logOptions),
+		}
 
 		// https://github.com/cyrusaf/ctxlog/pull/1
 		// log := slog.New(ctxlog.NewHandler(logHandler))

logger/stdlog.go

@@ -2,8 +2,7 @@ package logger
 
 import (
 	"fmt"
-
+	"log/slog"
-	"golang.org/x/exp/slog"
 )
 
 type stdLoggerish struct {

metricsserver/metrics.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"golang.org/x/sync/errgroup"
 
 	"go.ntppool.org/common/logger"
 )
@@ -26,7 +27,7 @@ func New() *Metrics {
 	return m
 }
 
-func (m *Metrics) Registry() prometheus.Registerer {
+func (m *Metrics) Registry() *prometheus.Registry {
 	return m.r
 }
 
@@ -41,7 +42,10 @@ func (m *Metrics) Handler() http.Handler {
 	})
 }
 
-func (m *Metrics) ListenAndServe(ctx context.Context, port int) {
+// ListenAndServe starts a goroutine with a server running on
+// the specified port. The server will shutdown and return when
+// the provided context is done
+func (m *Metrics) ListenAndServe(ctx context.Context, port int) error {
 
 	log := logger.Setup()
 
@@ -53,16 +57,23 @@ func (m *Metrics) ListenAndServe(ctx context.Context, port int) {
 		Handler:      m.Handler(),
 	}
 
-	go func() {
+	g, ctx := errgroup.WithContext(ctx)
+
+	g.Go(func() error {
 		err := srv.ListenAndServe()
-		if err != http.ErrServerClosed {
+		if err != nil && err != http.ErrServerClosed {
 			log.Warn("metrics server done listening", "err", err)
+			return err
 		}
-	}()
+		return nil
+	})
 
 	<-ctx.Done()
 
 	if err := srv.Shutdown(ctx); err != nil {
 		log.Error("metrics server shutdown failed", "err", err)
+		return err
 	}
+
+	return g.Wait()
 }

scripts/Makefile

@@ -0,0 +1,12 @@
+
+
+all: Makefile scripts
+
+Makefile: .PHONY
+	cp ~/src/go/ntp/common/scripts/Makefile .
+
+scripts: .PHONY
+	cp ~/src/go/ntp/common/scripts/{fury-publish,run-goreleaser,download-release} .
+
+
+.PHONY:

scripts/download-release

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+BASE=$1
+BUILD=$2
+DIR=$3
+
+set -euo pipefail
+
+if [ -z "$DIR" ]; then
+  echo run with $0 NAME BUILD_NUMBER DIR
+  exit 2
+fi
+
+mkdir -p $DIR
+
+BASE=https://geodns.bitnames.com/${BASE}/builds/${BUILD}
+
+files=`curl -sSf ${BASE}/checksums.txt | awk '{print $2}'`
+metafiles="checksums.txt metadata.json CHANGELOG.md artifacts.json"
+
+for f in $metafiles; do
+  url=$BASE/$f
+  echo downloading $url
+  curl --remove-on-error -sSfRo $DIR/$f $url || true
+done
+
+
+for f in $files; do
+  url=$BASE/$f
+  echo downloading $url
+  curl --remove-on-error -sSfRo $DIR/$f $url
+done

scripts/fury-publish

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+account=$1
+
+set -euo pipefail
+
+if [ -z "$account" ]; then
+  echo specify account as the first parameter
+  exit 2
+fi
+
+for f in dist/*.rpm dist/*.deb; do
+  echo Uploading $f
+  curl -sf -F package=@$f https://${FURY_TOKEN}@push.fury.io/${account}/
+done

scripts/run-goreleaser

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+set -euo pipefail
+
+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-""}
+
+is_snapshot=""
+
+if [ -z "$DRONE_TAG" ]; then
+  is_snapshot="--snapshot"
+fi
+
+goreleaser release $is_snapshot -p 6 --skip=publish

timeutil/duration.go

@@ -0,0 +1,36 @@
+package timeutil
+
+import (
+	"encoding/json"
+	"errors"
+	"time"
+)
+
+type Duration struct {
+	time.Duration
+}
+
+func (d Duration) MarshalJSON() ([]byte, error) {
+	return json.Marshal(time.Duration(d.Duration).String())
+}
+
+func (d *Duration) UnmarshalJSON(b []byte) error {
+	var v interface{}
+	if err := json.Unmarshal(b, &v); err != nil {
+		return err
+	}
+	switch value := v.(type) {
+	case float64:
+		*d = Duration{time.Duration(value)}
+		return nil
+	case string:
+		tmp, err := time.ParseDuration(value)
+		if err != nil {
+			return err
+		}
+		*d = Duration{tmp}
+		return nil
+	default:
+		return errors.New("invalid duration")
+	}
+}

timeutil/duration_test.go

@@ -0,0 +1,22 @@
+package timeutil
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestDuration(t *testing.T) {
+	js := []byte(`{"foo": "30s"}`)
+
+	foo := struct{ Foo Duration }{}
+
+	err := json.Unmarshal(js, &foo)
+	if err != nil {
+		t.Fatalf("could not unmarshal %q: %s", js, err)
+	}
+
+	if foo.Foo.Seconds() != 30 {
+		t.Fatalf("parsed time.Duration wasn't 30 seconds: %s", foo.Foo)
+	}
+
+}

tracing/tracing.go

@@ -0,0 +1,172 @@
+package tracing
+
+// todo, review:
+// https://github.com/ttys3/tracing-go/blob/main/tracing.go#L136
+
+import (
+	"context"
+	"crypto/tls"
+	"crypto/x509"
+	"os"
+
+	"go.ntppool.org/common/logger"
+	"go.ntppool.org/common/version"
+
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/exporters/otlp/otlptrace"
+	"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/v1.26.0"
+	"go.opentelemetry.io/otel/trace"
+)
+
+// https://github.com/open-telemetry/opentelemetry-go/blob/main/exporters/otlp/otlptrace/otlptracehttp/example_test.go
+
+type TpShutdownFunc func(ctx context.Context) error
+
+func Tracer() trace.Tracer {
+	traceProvider := otel.GetTracerProvider()
+	return traceProvider.Tracer("ntppool-tracer")
+}
+
+func Start(ctx context.Context, spanName string, opts ...trace.SpanStartOption) (context.Context, trace.Span) {
+	return Tracer().Start(ctx, spanName, opts...)
+}
+
+type GetClientCertificate func(*tls.CertificateRequestInfo) (*tls.Certificate, error)
+
+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) {
+
+	log := logger.Setup()
+
+	// exporter, err := srv.newStdoutExporter(os.Stdout)
+
+	var err error
+	var exporter otelsdktrace.SpanExporter
+
+	if otlpEndPoint := os.Getenv("OTEL_EXPORTER_OTLP_ENDPOINT"); len(otlpEndPoint) > 0 || len(cfg.Endpoint) > 0 {
+		exporter, err = newOLTPExporter(ctx, cfg)
+	}
+
+	if err != nil {
+		return emptyTpShutdownFunc, err
+	}
+
+	if exporter == nil {
+		log.Warn("tracing not configured")
+		return emptyTpShutdownFunc, nil
+	}
+
+	resource, err := newResource(cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	tp := otelsdktrace.NewTracerProvider(
+		otelsdktrace.WithSampler(otelsdktrace.AlwaysSample()),
+		otelsdktrace.WithBatcher(exporter),
+		otelsdktrace.WithResource(resource),
+	)
+
+	otel.SetTracerProvider(tp)
+
+	otel.SetTextMapPropagator(
+		propagation.NewCompositeTextMapPropagator(
+			propagation.TraceContext{}, // W3C Trace Context format; https://www.w3.org/TR/trace-context/
+			propagation.Baggage{},
+		),
+	)
+
+	return tp.Shutdown, nil
+}
+
+func newOLTPExporter(ctx context.Context, cfg *TracerConfig) (otelsdktrace.SpanExporter, error) {
+
+	log := logger.Setup()
+
+	opts := []otlptracehttp.Option{
+		otlptracehttp.WithCompression(otlptracehttp.GzipCompression),
+	}
+
+	if cfg.CertificateProvider != nil {
+		log.InfoContext(ctx, "setting up cert provider")
+		opts = append(opts, otlptracehttp.WithTLSClientConfig(&tls.Config{
+			GetClientCertificate: cfg.CertificateProvider,
+			RootCAs:              cfg.RootCAs,
+		}))
+	}
+
+	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...)
+	exporter, err := otlptrace.New(ctx, client)
+	if err != nil {
+		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, error) {
+
+	log := logger.Setup()
+
+	defaultResource := resource.Default()
+	log.Debug("default semconv", "url", defaultResource.SchemaURL())
+
+	newResource := resource.NewWithAttributes(
+		semconv.SchemaURL,
+		semconv.ServiceNameKey.String(cfg.ServiceName),
+		semconv.ServiceVersionKey.String(version.Version()),
+		attribute.String("environment", cfg.Environment),
+	)
+
+	log.Debug("new resource semconv", "url", newResource.SchemaURL())
+
+	r, err := resource.Merge(
+		defaultResource,
+		newResource,
+	)
+	if err != nil {
+		log.Error("could not setup otel resource",
+			"err", err,
+			"default", defaultResource.SchemaURL(),
+			"local", newResource.SchemaURL(),
+		)
+	}
+
+	return r, nil
+}

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)
+
+}

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
+}

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
+}

xff/fastlyxff/fastly.json

@@ -0,0 +1 @@
+{"addresses":["23.235.32.0/20","43.249.72.0/22","103.244.50.0/24","103.245.222.0/23","103.245.224.0/24","104.156.80.0/20","140.248.64.0/18","140.248.128.0/17","146.75.0.0/17","151.101.0.0/16","157.52.64.0/18","167.82.0.0/17","167.82.128.0/20","167.82.160.0/20","167.82.224.0/20","172.111.64.0/18","185.31.16.0/22","199.27.72.0/21","199.232.0.0/16"],"ipv6_addresses":["2a04:4e40::/32","2a04:4e42::/32"]}

xff/fastlyxff/xff.go

@@ -0,0 +1,51 @@
+package fastlyxff
+
+import (
+	"encoding/json"
+	"net"
+	"net/netip"
+	"os"
+
+	"github.com/labstack/echo/v4"
+)
+
+type FastlyXFF struct {
+	IPv4 []string `json:"addresses"`
+	IPv6 []string `json:"ipv6_addresses"`
+}
+
+type TrustedNets struct {
+	prefixes []netip.Prefix
+}
+
+func New(fileName string) (*FastlyXFF, error) {
+	b, err := os.ReadFile(fileName)
+	if err != nil {
+		return nil, err
+	}
+
+	d := FastlyXFF{}
+
+	err = json.Unmarshal(b, &d)
+	if err != nil {
+		return nil, err
+	}
+
+	return &d, nil
+}
+
+func (xff *FastlyXFF) EchoTrustOption() ([]echo.TrustOption, error) {
+	ranges := []echo.TrustOption{}
+
+	for _, s := range append(xff.IPv4, xff.IPv6...) {
+		_, cidr, err := net.ParseCIDR(s)
+		if err != nil {
+			return nil, err
+		}
+
+		trust := echo.TrustIPRange(cidr)
+		ranges = append(ranges, trust)
+	}
+
+	return ranges, nil
+}

xff/fastlyxff/xff_test.go

@@ -0,0 +1,23 @@
+package fastlyxff
+
+import "testing"
+
+func TestFastlyIPRanges(t *testing.T) {
+
+	fastlyxff, err := New("fastly.json")
+	if err != nil {
+		t.Fatalf("could not load test data: %s", err)
+	}
+
+	data, err := fastlyxff.EchoTrustOption()
+
+	if err != nil {
+		t.Fatalf("could not parse test data: %s", err)
+	}
+
+	if len(data) < 10 {
+		t.Logf("only got %d prefixes, expected more", len(data))
+		t.Fail()
+	}
+
+}