chore: rework code to make the proxy functionality usable as a librar…

…y, start introducing tests(some still failing)

go.mod

@@ -3,10 +3,14 @@ module github.com/omissis/kube-apiserver-proxy
 go 1.20
 
 require (
+	github.com/google/go-cmp v0.5.9
+	github.com/itchyny/gojq v0.12.13
 	github.com/labstack/echo v3.3.10+incompatible
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.15.0
+	github.com/stretchr/testify v1.8.4
+	go.uber.org/mock v0.1.0
 	k8s.io/apimachinery v0.27.3
 	k8s.io/client-go v0.27.3
 	k8s.io/kubectl v0.27.3
@@ -24,34 +28,35 @@ require (
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/gnostic v0.6.9 // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/imdario/mergo v0.3.15 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/itchyny/timefmt-go v0.1.5 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/labstack/gommon v0.4.0 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.17 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.7 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/spf13/afero v1.9.5 // indirect
 	github.com/spf13/cast v1.5.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
-	github.com/stretchr/testify v1.8.2 // indirect
 	github.com/subosito/gotenv v1.4.2 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
 	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa // indirect
 	golang.org/x/net v0.9.0 // indirect
 	golang.org/x/oauth2 v0.7.0 // indirect
-	golang.org/x/sys v0.7.0 // indirect
+	golang.org/x/sys v0.8.0 // indirect
 	golang.org/x/term v0.7.0 // indirect
 	golang.org/x/text v0.9.0 // indirect
 	golang.org/x/time v0.3.0 // indirect

go.sum

@@ -85,7 +85,6 @@ github.com/go-openapi/jsonreference v0.20.2 h1:3sVjiK66+uXK/6oQ8xgcRKcFgQ5KXa2Kv
 github.com/go-openapi/jsonreference v0.20.2/go.mod h1:Bl1zwGIM8/wsvqjsOQLJ/SH+En5Ap4rVB5KVcIDZG2k=
 github.com/go-openapi/swag v0.22.3 h1:yMBqmnQ0gyZvEb/+KzuWZOXgllrXT4SADYbvDaXHv/g=
 github.com/go-openapi/swag v0.22.3/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14=
-github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I=
 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=
@@ -149,7 +148,6 @@ github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hf
 github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20201203190320-1bf35d6f28c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20201218002935-b9804c9f04c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
-github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 h1:K6RDEckDVWvDI9JAJYCmNdQXq6neHJOYx3V6jnqNEec=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
@@ -164,8 +162,14 @@ github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
+github.com/imdario/mergo v0.3.15 h1:M8XP7IuFNsqUx6VPK2P9OSmsYsI/YFaGil0uD21V3dM=
+github.com/imdario/mergo v0.3.15/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+hD27ysY=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/itchyny/gojq v0.12.13 h1:IxyYlHYIlspQHHTE0f3cJF0NKDMfajxViuhBLnHd/QU=
+github.com/itchyny/gojq v0.12.13/go.mod h1:JzwzAqenfhrPUuwbmEz3nu3JQmFLlQTQMUcOdnu/Sf4=
+github.com/itchyny/timefmt-go v0.1.5 h1:G0INE2la8S6ru/ZI5JecgyzbbJNs5lG1RcBqa7Jm6GE=
+github.com/itchyny/timefmt-go v0.1.5/go.mod h1:nEP7L+2YmAbT2kZ2HfSs1d8Xtw9LY8D2stDBckWakZ8=
 github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
 github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
@@ -196,8 +200,8 @@ github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxec
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
-github.com/mattn/go-isatty v0.0.17 h1:BTarxUcIeDqL27Mc+vyvdWYSL28zpIhv3RoTdsLMPng=
-github.com/mattn/go-isatty v0.0.17/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
+github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
 github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
@@ -207,8 +211,6 @@ github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9G
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
-github.com/onsi/ginkgo/v2 v2.9.1 h1:zie5Ly042PD3bsCvsSOPvRnFwyo3rKe64TJlD6nu0mk=
-github.com/onsi/gomega v1.27.4 h1:Z2AnStgsdSayCMDiCU42qIz+HLqEPcgiOCXjAU/w+8E=
 github.com/pelletier/go-toml/v2 v2.0.7 h1:muncTPStnKRos5dpVKULv2FVd4bMOhNePj9CjgDb8Us=
 github.com/pelletier/go-toml/v2 v2.0.7/go.mod h1:eumQOmlWiOPt5WriQQqoM5y18pDHwha2N+QD+EUNTek=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -245,8 +247,8 @@ github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
-github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/subosito/gotenv v1.4.2 h1:X1TuBLAMDFbaTAChgCBLu3DU3UPyELpnF2jjJ2cz/S8=
 github.com/subosito/gotenv v1.4.2/go.mod h1:ayKnFf/c6rvx/2iiLrJUk1e6plDbT3edrFNGqEflhK0=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
@@ -268,6 +270,8 @@ go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
+go.uber.org/mock v0.1.0 h1:NEVjcPIj/L96qilPi+2M5l9zUkQksRaqNKphz3pStHI=
+go.uber.org/mock v0.1.0/go.mod h1:J0y0rp9L3xiff1+ZBfKxlC1fz2+aO16tw0tsDOixfuM=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@@ -408,8 +412,9 @@ golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20211103235746-7861aae1554b/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
-golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU=
+golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.7.0 h1:BEvjmm5fURWqcfbSKTdpkDXYBrUS1c0m8agp14W48vQ=
 golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
@@ -478,7 +483,6 @@ golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20210108195828-e2f9c7f1fc8e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
-golang.org/x/tools v0.7.0 h1:W4OVu8VVOaIO0yzWMNdepAulS7YfoS3Zabrm8DOXXU4=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

internal/app/container.go

@@ -2,13 +2,13 @@ package app
 
 import (
 	"fmt"
+	"net/http"
 
 	"github.com/labstack/echo"
 	"github.com/labstack/echo/middleware"
-	"k8s.io/apimachinery/pkg/runtime/schema"
-	"k8s.io/client-go/kubernetes"
+	"github.com/omissis/kube-apiserver-proxy/pkg/kube"
+	"github.com/omissis/kube-apiserver-proxy/pkg/kube/proxy"
 	"k8s.io/client-go/rest"
-	"k8s.io/kubectl/pkg/scheme"
 )
 
 var ErrCannotCreateContainer = fmt.Errorf("cannot create container")
@@ -31,12 +31,15 @@ type Parameters struct {
 	APIServerHost     string
 	APIServerPort     uint16
 	APIAllowedOrigins []string
+	KubeconfigPath    string
 }
 
 type services struct {
-	clientset      *kubernetes.Clientset
-	echo           *echo.Echo
-	k8sRESTClients map[string]map[string]*rest.RESTClient
+	echo                 *echo.Echo
+	k8sRESTClientFactory *kube.DefaultK8sRESTClientFactory
+	k8sHTTProxy          *proxy.HTTP
+	k8sHttpClient        *http.Client
+	k8sRESTConfigFactory *kube.DefaultRESTConfigFactory
 }
 
 func NewContainer() *Container {
@@ -50,35 +53,6 @@ type Container struct {
 	services
 }
 
-func (c *Container) K8sRESTClient(group, version string) *rest.RESTClient {
-	if c.k8sRESTClients == nil {
-		c.k8sRESTClients = make(map[string]map[string]*rest.RESTClient, 1)
-	}
-
-	restClient, ok := c.k8sRESTClients[group][version]
-	if !ok {
-		config, err := rest.InClusterConfig()
-		if err != nil {
-			panic(err.Error())
-		}
-
-		config.GroupVersion = &schema.GroupVersion{
-			Group:   "apps",
-			Version: "v1",
-		}
-
-		config.APIPath = "/apis"
-		config.NegotiatedSerializer = scheme.Codecs.WithoutConversion()
-
-		restClient, err = rest.RESTClientFor(config)
-		if err != nil {
-			panic(err.Error())
-		}
-	}
-
-	return restClient
-}
-
 func (c *Container) Echo() *echo.Echo {
 	if c.echo == nil {
 		c.echo = echo.New()
@@ -94,22 +68,54 @@ func (c *Container) Echo() *echo.Echo {
 	return c.echo
 }
 
-func (c *Container) Clientset() *kubernetes.Clientset {
-	if c.clientset == nil {
-		// creates the in-cluster config
-		config, err := rest.InClusterConfig()
-		if err != nil {
-			panic(err.Error())
-		}
+func (c *Container) K8sHTTPProxy() *proxy.HTTP {
+	if c.k8sHTTProxy == nil {
+		c.k8sHTTProxy = proxy.NewHTTP(c.K8sRESTClientFactory(), []proxy.ResponseBodyTransformer{
+			proxy.NewJqResponseBodyTransformer(),
+		})
+	}
+
+	return c.k8sHTTProxy
+}
+
+func (c *Container) K8sRESTClientFactory() *kube.DefaultK8sRESTClientFactory {
+	if c.k8sRESTClientFactory == nil {
+		c.k8sRESTClientFactory = kube.NewDefaultK8sRESTClientFactory(
+			c.K8sRESTConfigFactory(),
+			c.K8sHttpClient(),
+			c.KubeconfigPath,
+		)
+	}
+
+	return c.k8sRESTClientFactory
+}
 
-		// creates the clientset
-		clientset, err := kubernetes.NewForConfig(config)
+func (c *Container) K8sRESTConfigFactory() *kube.DefaultRESTConfigFactory {
+	if c.k8sRESTConfigFactory == nil {
+		c.k8sRESTConfigFactory = kube.NewDefaultRESTConfigFactory()
+	}
+
+	return c.k8sRESTConfigFactory
+}
+
+func (c *Container) K8sHttpClient() *http.Client {
+	if c.k8sHttpClient == nil {
+		k8sHttpClient, err := rest.HTTPClientFor(c.K8sRestConfig())
 		if err != nil {
-			panic(err.Error())
+			panic(err)
 		}
 
-		c.clientset = clientset
+		c.k8sHttpClient = k8sHttpClient
+	}
+
+	return c.k8sHttpClient
+}
+
+func (c *Container) K8sRestConfig() *rest.Config {
+	config, err := c.K8sRESTConfigFactory().New(c.KubeconfigPath)
+	if err != nil {
+		panic(err)
 	}
 
-	return c.clientset
+	return config
 }

internal/app/container_test.go

@@ -0,0 +1,32 @@
+package app_test
+
+import (
+	"testing"
+
+	"github.com/omissis/kube-apiserver-proxy/internal/app"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestEcho(t *testing.T) {
+	t.Parallel()
+
+	container := app.NewContainer()
+
+	assert.NotNil(t, container.Echo())
+}
+
+func TestK8sHTTPProxy(t *testing.T) {
+	t.Parallel()
+
+	container := app.NewContainer()
+
+	assert.NotNil(t, container.K8sHTTPProxy())
+}
+
+func TestK8sRESTClientFactory(t *testing.T) {
+	t.Parallel()
+
+	container := app.NewContainer()
+
+	assert.NotNil(t, container.K8sRESTClientFactory())
+}

internal/cmd/root.go

@@ -11,10 +11,9 @@ import (
 
 type RootCommand struct {
 	*cobra.Command
-	cfg app.Config
 }
 
-func NewRootCommand(cfg app.Config, versions map[string]string) *RootCommand {
+func NewRootCommand(versions map[string]string) *RootCommand {
 	const envPrefix = ""
 
 	root := &RootCommand{
@@ -28,7 +27,6 @@ func NewRootCommand(cfg app.Config, versions map[string]string) *RootCommand {
 			SilenceUsage:  true,
 			SilenceErrors: true,
 		},
-		cfg: cfg,
 	}
 
 	cobrax.BindFlags(root.Command, cobrax.InitEnvs(envPrefix), log.Fatal, envPrefix)