From fcc9cfc38c1011419f42989b24a2b73f3cdcd0fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Mierzwa?= <l.mierzwa@gmail.com>
Date: Thu, 7 Jul 2022 13:35:25 +0100
Subject: [PATCH] feat(backend): use github.com/klauspost/compress for gzip

---
 cmd/karma/main.go            | 2 +-
 cmd/karma/views.go           | 2 +-
 go.mod                       | 1 +
 go.sum                       | 2 ++
 internal/alertmanager/tls.go | 2 +-
 internal/uri/http.go         | 2 +-
 internal/uri/uri_test.go     | 2 +-
 7 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/cmd/karma/main.go b/cmd/karma/main.go
index 0714807ae..a85a2088b 100644
--- a/cmd/karma/main.go
+++ b/cmd/karma/main.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"compress/flate"
 	"context"
 	"errors"
 	"fmt"
@@ -30,6 +29,7 @@ import (
 	"github.com/go-chi/chi/v5/middleware"
 	"github.com/go-chi/cors"
 	lru "github.com/hashicorp/golang-lru"
+	"github.com/klauspost/compress/flate"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
diff --git a/cmd/karma/views.go b/cmd/karma/views.go
index 6b988bea1..839697eb1 100644
--- a/cmd/karma/views.go
+++ b/cmd/karma/views.go
@@ -2,7 +2,6 @@ package main
 
 import (
 	"bytes"
-	"compress/gzip"
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
@@ -15,6 +14,7 @@ import (
 
 	"github.com/cnf/structhash"
 	"github.com/fvbommel/sortorder"
+	"github.com/klauspost/compress/gzip"
 
 	"github.com/prymitive/karma/internal/alertmanager"
 	"github.com/prymitive/karma/internal/config"
diff --git a/go.mod b/go.mod
index 5d2865101..f22c20be2 100644
--- a/go.mod
+++ b/go.mod
@@ -17,6 +17,7 @@ require (
 	github.com/google/go-cmp v0.5.8
 	github.com/hashicorp/golang-lru v0.5.4
 	github.com/jarcoal/httpmock v1.2.0
+	github.com/klauspost/compress v1.15.7
 	github.com/knadh/koanf v1.4.2
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/pmezard/go-difflib v1.0.0
diff --git a/go.sum b/go.sum
index f4c047fc6..81626396b 100644
--- a/go.sum
+++ b/go.sum
@@ -277,6 +277,8 @@ github.com/karrick/godirwalk v1.8.0/go.mod h1:H5KPZjojv4lE+QYImBI8xVtrBRgYrIVsaR
 github.com/karrick/godirwalk v1.10.3/go.mod h1:RoGL9dQei4vP9ilrpETWE8CLOZ1kiN0LhBygSwrAsHA=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
+github.com/klauspost/compress v1.15.7 h1:7cgTQxJCU/vy+oP/E3B9RGbQTgbiVzIJWIKOLoAsPok=
+github.com/klauspost/compress v1.15.7/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
 github.com/knadh/koanf v1.4.2 h1:2itp+cdC6miId4pO4Jw7c/3eiYD26Z/Sz3ATJMwHxIs=
 github.com/knadh/koanf v1.4.2/go.mod h1:4NCo0q4pmU398vF9vq2jStF9MWQZ8JEDcDMHlDCr4h0=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
diff --git a/internal/alertmanager/tls.go b/internal/alertmanager/tls.go
index 44ba11132..1726bb2a0 100644
--- a/internal/alertmanager/tls.go
+++ b/internal/alertmanager/tls.go
@@ -56,6 +56,6 @@ func NewHTTPTransport(caPath, certPath, keyPath string, insecureSkipVerify bool)
 		}
 	}
 
-	transport := http.Transport{TLSClientConfig: tlsConfig}
+	transport := http.Transport{TLSClientConfig: tlsConfig, DisableCompression: true}
 	return &transport, nil
 }
diff --git a/internal/uri/http.go b/internal/uri/http.go
index 1dd7dbee9..a311625ab 100644
--- a/internal/uri/http.go
+++ b/internal/uri/http.go
@@ -1,11 +1,11 @@
 package uri
 
 import (
-	"compress/gzip"
 	"fmt"
 	"io"
 	"net/http"
 
+	"github.com/klauspost/compress/gzip"
 	"github.com/rs/zerolog/log"
 )
 
diff --git a/internal/uri/uri_test.go b/internal/uri/uri_test.go
index 77d6a86c5..33226c363 100644
--- a/internal/uri/uri_test.go
+++ b/internal/uri/uri_test.go
@@ -2,7 +2,6 @@ package uri_test
 
 import (
 	"bytes"
-	"compress/gzip"
 	"crypto/tls"
 	"crypto/x509"
 	"errors"
@@ -12,6 +11,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/klauspost/compress/gzip"
 	"github.com/rs/zerolog"
 
 	"github.com/prymitive/karma/internal/uri"