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NOISSUE - Add DTLS support to CoAP messaging #1909

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NOISSUE - Add DTLS support to CoAP messaging #1909

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3dc6b7e
Amend server
felixgateru Sep 15, 2023
78d1975
Amend server
felixgateru Sep 15, 2023
e62d38d
Add internal server dtls config
felixgateru Oct 16, 2023
ac5eab8
Add proxy config
felixgateru Oct 18, 2023
65452d9
Clean up
felixgateru Oct 20, 2023
03636b5
Remove multiple stream directives
felixgateru Oct 22, 2023
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37 changes: 22 additions & 15 deletions coap/api/transport.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
package api

import (
"bytes"
"context"
"fmt"
"io"
Expand Down Expand Up @@ -66,20 +67,26 @@ func MakeCoAPHandler(svc coap.Service, l *slog.Logger) mux.HandlerFunc {
return handler
}

func sendResp(w mux.ResponseWriter, resp *message.Message) {
if err := w.Client().WriteMessage(resp); err != nil {
func sendResp(ctx context.Context, w mux.ResponseWriter, resp *message.Message) {
m := w.Conn().AcquireMessage(ctx)
m.SetCode(resp.Code)
m.SetBody(bytes.NewReader(resp.Payload))
m.SetToken(resp.Token)
for _, option := range resp.Options {
m.SetOptionBytes(option.ID, option.Value)
}
if err := w.Conn().WriteMessage(m); err != nil {
logger.Warn(fmt.Sprintf("Can't set response: %s", err))
}
}

func handler(w mux.ResponseWriter, m *mux.Message) {
resp := message.Message{
Code: codes.Content,
Token: m.Token,
Context: m.Context,
Token: m.Token(),
Options: make(message.Options, 0, 16),
}
defer sendResp(w, &resp)
defer sendResp(m.Context(), w, &resp)
msg, err := decodeMessage(m)
if err != nil {
logger.Warn(fmt.Sprintf("Error decoding message: %s", err))
Expand All @@ -92,12 +99,12 @@ func handler(w mux.ResponseWriter, m *mux.Message) {
resp.Code = codes.Unauthorized
return
}
switch m.Code {
switch m.Code() {
case codes.GET:
err = handleGet(m.Context, m, w.Client(), msg, key)
err = handleGet(m.Context(), m, w.Conn(), msg, key)
case codes.POST:
resp.Code = codes.Created
err = service.Publish(m.Context, key, msg)
err = nil
default:
err = svcerr.ErrNotFound
}
Expand All @@ -116,9 +123,9 @@ func handler(w mux.ResponseWriter, m *mux.Message) {
}
}

func handleGet(ctx context.Context, m *mux.Message, c mux.Client, msg *messaging.Message, key string) error {
func handleGet(ctx context.Context, m *mux.Message, c mux.Conn, msg *messaging.Message, key string) error {
var obs uint32
obs, err := m.Options.Observe()
obs, err := m.Observe()
if err != nil {
logger.Warn(fmt.Sprintf("Error reading observe option: %s", err))
return errBadOptions
Expand All @@ -131,10 +138,10 @@ func handleGet(ctx context.Context, m *mux.Message, c mux.Client, msg *messaging
}

func decodeMessage(msg *mux.Message) (*messaging.Message, error) {
if msg.Options == nil {
if msg.Options() == nil {
return &messaging.Message{}, errBadOptions
}
path, err := msg.Options.Path()
path, err := msg.Path()
if err != nil {
return &messaging.Message{}, err
}
Expand All @@ -156,7 +163,7 @@ func decodeMessage(msg *mux.Message) (*messaging.Message, error) {
}

if msg.Body != nil {
buff, err := io.ReadAll(msg.Body)
buff, err := io.ReadAll(msg.Body())
if err != nil {
return ret, err
}
Expand All @@ -166,10 +173,10 @@ func decodeMessage(msg *mux.Message) (*messaging.Message, error) {
}

func parseKey(msg *mux.Message) (string, error) {
if obs, _ := msg.Options.Observe(); obs != 0 && msg.Code == codes.GET {
if obs, _ := msg.Observe(); obs != 0 && msg.Code() == codes.GET {
return "", nil
}
authKey, err := msg.Options.GetString(message.URIQuery)
authKey, err := msg.Options().GetString(message.URIQuery)
if err != nil {
return "", err
}
Expand Down
29 changes: 13 additions & 16 deletions coap/client.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@ type Client interface {
var ErrOption = errors.New("unable to set option")

type client struct {
client mux.Client
client mux.Conn
token message.Token
observe uint32
logger *slog.Logger
Expand All @@ -57,13 +57,10 @@ func (c *client) Done() <-chan struct{} {
}

func (c *client) Cancel() error {
m := message.Message{
Code: codes.Content,
Token: c.token,
Context: context.Background(),
Options: make(message.Options, 0, 16),
}
if err := c.client.WriteMessage(&m); err != nil {
pm := c.client.AcquireMessage(context.Background())
pm.SetCode(codes.Content)
pm.SetToken(c.token)
if err := c.client.WriteMessage(pm); err != nil {
c.logger.Error(fmt.Sprintf("Error sending message: %s.", err))
}
return c.client.Close()
Expand All @@ -74,12 +71,10 @@ func (c *client) Token() string {
}

func (c *client) Handle(msg *messaging.Message) error {
m := message.Message{
Code: codes.Content,
Token: c.token,
Context: c.client.Context(),
Body: bytes.NewReader(msg.GetPayload()),
}
pm := c.client.AcquireMessage(context.Background())
pm.SetCode(codes.Content)
pm.SetToken(c.token)
pm.SetBody(bytes.NewReader(msg.Payload))

atomic.AddUint32(&c.observe, 1)
var opts message.Options
Expand All @@ -103,6 +98,8 @@ func (c *client) Handle(msg *messaging.Message) error {
return fmt.Errorf("cannot set options to response: %w", err)
}

m.Options = opts
return c.client.WriteMessage(&m)
for _, option := range opts {
pm.SetOptionBytes(option.ID, option.Value)
}
return c.client.WriteMessage(pm)
}
18 changes: 16 additions & 2 deletions docker/nginx/nginx-key.conf
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -188,13 +188,13 @@ http {
}
}

# MQTT
stream {
include snippets/stream_access_log.conf;

# MQTT
# Include single-node or multiple-node (cluster) upstream
include snippets/mqtt-upstream.conf;

server {
listen ${MG_NGINX_MQTT_PORT};
listen [::]:${MG_NGINX_MQTT_PORT};
Expand All @@ -205,6 +205,20 @@ stream {

proxy_pass mqtt_cluster;
}

# CoAP
include snippets/coap-upstream.conf;

server {
listen ${MF_NGINX_COAP_PORT};
listen [::]:${MF_NGINX_COAP_PORT};
listen ${MF_NGINX_COAPS_PORT} ssl;
listen [::]:${MF_NGINX_COAPS_PORT} ssl;

include snippets/ssl.conf;

proxy_pass coap_cluster;
}
}

error_log info.log info;
22 changes: 20 additions & 2 deletions docker/nginx/nginx-x509.conf
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -210,11 +210,14 @@ stream {

js_import authorization from /etc/nginx/authorization.js;

# Include single-node or multiple-node (cluster) upstream
include snippets/mqtt-upstream.conf;
ssl_verify_client on;
include snippets/ssl-client.conf;

# MQTT
# Include single-node or multiple-node (cluster) upstream
include snippets/mqtt-upstream.conf;


server {
listen ${MG_NGINX_MQTT_PORT};
listen [::]:${MG_NGINX_MQTT_PORT};
Expand All @@ -226,6 +229,21 @@ stream {

proxy_pass mqtt_cluster;
}

# CoAP
include snippets/coap-upstream.conf;

server {
listen ${MF_NGINX_COAP_PORT};
listen [::]:${MF_NGINX_COAP_PORT};
listen ${MF_NGINX_COAPS_PORT} ssl;
listen [::]:${MF_NGINX_COAPS_PORT} ssl;

include snippets/ssl.conf;
js_preread authorization.authenticate;

proxy_pass coap_cluster;
}
}

error_log info.log info;
6 changes: 6 additions & 0 deletions docker/nginx/snippets/coap-upstream.conf
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
# Copyright (c) Mainflux
# SPDX-License-Identifier: Apache-2.0

upstream coap_cluster {
server coap-adapter:5683;
}
2 changes: 1 addition & 1 deletion go.mod
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -148,7 +148,7 @@ require (
github.com/pelletier/go-toml/v2 v2.2.0 // indirect
github.com/pion/dtls/v2 v2.2.10 // indirect
github.com/pion/logging v0.2.2 // indirect
github.com/pion/transport/v2 v2.2.4 // indirect
github.com/pion/transport/v3 v3.0.1 // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/plgd-dev/kit/v2 v2.0.0-20211006190727-057b33161b90 // indirect
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
Expand Down
18 changes: 2 additions & 16 deletions go.sum
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -85,8 +85,6 @@ github.com/docker/go-connections v0.5.0 h1:USnMq7hx7gwdVZq1L49hLXaFtUdTADjXGp+uj
github.com/docker/go-connections v0.5.0/go.mod h1:ov60Kzw0kKElRwhNs9UlUHAE/F9Fe6GLaXnqyDdmEXc=
github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
github.com/dsnet/golib/memfile v0.0.0-20190531212259-571cdbcff553/go.mod h1:tXGNW9q3RwvWt1VV2qrRKlSSz0npnh12yftCSCy2T64=
github.com/dsnet/golib/memfile v0.0.0-20200723050859-c110804dfa93/go.mod h1:tXGNW9q3RwvWt1VV2qrRKlSSz0npnh12yftCSCy2T64=
github.com/dsnet/golib/memfile v1.0.0 h1:J9pUspY2bDCbF9o+YGwcf3uG6MdyITfh/Fk3/CaEiFs=
github.com/dsnet/golib/memfile v1.0.0/go.mod h1:tXGNW9q3RwvWt1VV2qrRKlSSz0npnh12yftCSCy2T64=
github.com/eclipse/paho.mqtt.golang v1.4.3 h1:2kwcUGn8seMUfWndX0hGbvH8r7crgcJguQNCyp70xik=
Expand Down Expand Up @@ -128,7 +126,6 @@ github.com/go-kit/kit v0.13.0/go.mod h1:phqEHMMUbyrCFCTgH48JueqrM3md2HcAZ8N3XE4F
github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
github.com/go-kit/log v0.2.1 h1:MRVx0/zhvdseW+Gza6N9rVzU/IVzaeE1SFI4raAhmBU=
github.com/go-kit/log v0.2.1/go.mod h1:NwTd00d/i8cPZ3xOwwiv2PO5MOcx78fFErGNcVmBjv0=
github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
github.com/go-logfmt/logfmt v0.6.0 h1:wGYYu3uicYdqXVgoYbvnkrPVXkuLM1p1ifugDMEdRi4=
github.com/go-logfmt/logfmt v0.6.0/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
Expand All @@ -151,12 +148,9 @@ github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
github.com/gocql/gocql v1.6.0 h1:IdFdOTbnpbd0pDhl4REKQDM+Q0SzKXQ1Yh+YZZ8T/qU=
github.com/gocql/gocql v1.6.0/go.mod h1:3gM2c4D3AnkISwBxGnMMsS8Oy4y2lhbPRsH4xnJrHG8=
github.com/gofrs/uuid v3.3.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
github.com/gofrs/uuid v4.0.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
github.com/gofrs/uuid v4.4.0+incompatible h1:3qXRTX8/NbyulANqlc0lchS1gqAVxRgsuW1YrTJupqA=
github.com/gofrs/uuid v4.4.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
Expand Down Expand Up @@ -347,7 +341,6 @@ github.com/lestrrat-go/jwx/v2 v2.0.21 h1:jAPKupy4uHgrHFEdjVjNkUgoBKtVDgrQPB/h55F
github.com/lestrrat-go/jwx/v2 v2.0.21/go.mod h1:09mLW8zto6bWL9GbwnqAli+ArLf+5M33QLQPDggkUWM=
github.com/lestrrat-go/option v1.0.1 h1:oAzP2fvZGQKWkvHa1/SAcFolBEca1oN+mQ7eooNBEYU=
github.com/lestrrat-go/option v1.0.1/go.mod h1:5ZHFbivi4xwXxhxY9XHDe2FHo6/Z7WWmtT7T5nBBp3I=
github.com/lestrrat-go/pdebug v0.0.0-20200204225717-4d6bd78da58d/go.mod h1:B06CSso/AWxiPejj+fheUINGeBKeeEZNt8w+EoU7+L8=
github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lib/pq v1.1.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
Expand Down Expand Up @@ -415,10 +408,8 @@ github.com/opencontainers/runc v1.1.12/go.mod h1:S+lQwSfncpBha7XTy/5lBwWgm5+y5Ma
github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
github.com/ory/dockertest/v3 v3.10.0 h1:4K3z2VMe8Woe++invjaTB7VRyQXQy5UY+loujO4aNE4=
github.com/ory/dockertest/v3 v3.10.0/go.mod h1:nr57ZbRWMqfsdGdFNLHz5jjNdDb7VVFnzAeW1n5N1Lg=
github.com/panjf2000/ants/v2 v2.4.3/go.mod h1:f6F0NZVFsGCp5A7QW/Zj/m92atWwOkY0OIhFxRNFr4A=
github.com/pascaldekloe/goe v0.1.0 h1:cBOtyMzM9HTpWjXfbbunk26uA6nG3a8n06Wieeh0MwY=
github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
github.com/pborman/getopt v0.0.0-20170112200414-7148bc3a4c30/go.mod h1:85jBQOZwpVEaDAr341tbn15RS4fCAsIst0qp7i8ex1o=
github.com/pelletier/go-toml v1.9.5 h1:4yBQzkHv+7BHq2PQUZF3Mx0IYxG7LsP222s7Agd3ve8=
github.com/pelletier/go-toml v1.9.5/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
Expand Down Expand Up @@ -590,8 +581,8 @@ go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/
go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTVQ=
go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
go.uber.org/zap v1.9.1/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
Expand All @@ -606,8 +597,6 @@ golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20201203163018-be400aefbc4c/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
Expand Down Expand Up @@ -746,7 +735,6 @@ golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
Expand Down Expand Up @@ -818,11 +806,9 @@ gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/square/go-jose.v2 v2.5.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
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