Merge pull request #5 from ankeesler/config-webhook
Add -c/--config flag
This commit is contained in:
Andrew Keesler
GitHub
commit
85e3b356dd
|
|
@ -0,0 +1,70 @@
|
|||
/*
|
||||
Copyright 2020 VMware, Inc.
|
||||
SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
// Package app is the command line entry point for placeholder-name.
|
||||
package app
|
||||
|
||||
import (
|
||||
"io"
|
||||
"log"
|
||||
"net/http"
|
||||
|
||||
"github.com/spf13/cobra"
|
||||
|
||||
"github.com/suzerain-io/placeholder-name/pkg/handlers"
|
||||
)
|
||||
|
||||
// App is an object that represents the placeholder-name application.
|
||||
type App struct {
|
||||
cmd *cobra.Command
|
||||
|
||||
// runFunc runs the actual program, after the parsing of flags has been done.
|
||||
//
|
||||
// It is mostly a field for the sake of testing.
|
||||
runFunc func(configPath string)
|
||||
}
|
||||
|
||||
// New constructs a new App with command line args, stdout and stderr.
|
||||
func New(args []string, stdout, stderr io.Writer) *App {
|
||||
a := &App{
|
||||
runFunc: func(configPath string) {
|
||||
addr := ":8080"
|
||||
log.Printf("Starting server on %v", addr)
|
||||
log.Fatal(http.ListenAndServe(addr, handlers.New()))
|
||||
},
|
||||
}
|
||||
|
||||
var configPath string
|
||||
cmd := &cobra.Command{
|
||||
Use: `placeholder-name`,
|
||||
Long: `placeholder-name provides a generic API for mapping an external
|
||||
credential from somewhere to an internal credential to be used for
|
||||
authenticating to the Kubernetes API.`,
|
||||
Run: func(cmd *cobra.Command, args []string) {
|
||||
a.runFunc(configPath)
|
||||
},
|
||||
Args: cobra.NoArgs,
|
||||
}
|
||||
|
||||
cmd.SetArgs(args)
|
||||
cmd.SetOut(stdout)
|
||||
cmd.SetErr(stderr)
|
||||
|
||||
cmd.Flags().StringVarP(
|
||||
&configPath,
|
||||
"config",
|
||||
"c",
|
||||
"placeholder-name.yaml",
|
||||
"path to configuration file",
|
||||
)
|
||||
|
||||
a.cmd = cmd
|
||||
|
||||
return a
|
||||
}
|
||||
|
||||
func (a *App) Run() error {
|
||||
return a.cmd.Execute()
|
||||
}
|
||||
|
|
@ -0,0 +1,84 @@
|
|||
/*
|
||||
Copyright 2020 VMware, Inc.
|
||||
SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
package app
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"testing"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
)
|
||||
|
||||
const knownGoodUsage = `Usage:
|
||||
placeholder-name [flags]
|
||||
|
||||
Flags:
|
||||
-c, --config string path to configuration file (default "placeholder-name.yaml")
|
||||
-h, --help help for placeholder-name
|
||||
`
|
||||
|
||||
func TestCommand(t *testing.T) {
|
||||
tests := []struct {
|
||||
name string
|
||||
args []string
|
||||
|
||||
wantConfigPath string
|
||||
}{
|
||||
{
|
||||
name: "NoArgsSucceeds",
|
||||
args: []string{},
|
||||
wantConfigPath: "placeholder-name.yaml",
|
||||
},
|
||||
{
|
||||
name: "OneArgFails",
|
||||
args: []string{"tuna"},
|
||||
},
|
||||
{
|
||||
name: "ShortConfigFlagSucceeds",
|
||||
args: []string{"-c", "some/path/to/config.yaml"},
|
||||
wantConfigPath: "some/path/to/config.yaml",
|
||||
},
|
||||
{
|
||||
name: "LongConfigFlagSucceeds",
|
||||
args: []string{"--config", "some/path/to/config.yaml"},
|
||||
wantConfigPath: "some/path/to/config.yaml",
|
||||
},
|
||||
{
|
||||
name: "OneArgWithConfigFlagFails",
|
||||
args: []string{
|
||||
"--config", "some/path/to/config.yaml",
|
||||
"tuna",
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, theTest := range tests {
|
||||
test := theTest // please the linter :'(
|
||||
t.Run(test.name, func(t *testing.T) {
|
||||
expect := assert.New(t)
|
||||
|
||||
stdout := bytes.NewBuffer([]byte{})
|
||||
stderr := bytes.NewBuffer([]byte{})
|
||||
|
||||
configPaths := make([]string, 0, 1)
|
||||
runFunc := func(configPath string) {
|
||||
configPaths = append(configPaths, configPath)
|
||||
}
|
||||
|
||||
a := New(test.args, stdout, stderr)
|
||||
a.runFunc = runFunc
|
||||
err := a.Run()
|
||||
|
||||
if test.wantConfigPath != "" {
|
||||
if expect.Equal(1, len(configPaths)) {
|
||||
expect.Equal(test.wantConfigPath, configPaths[0])
|
||||
}
|
||||
} else {
|
||||
expect.Error(err)
|
||||
expect.Contains(stdout.String(), knownGoodUsage)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
@ -6,14 +6,13 @@ SPDX-License-Identifier: Apache-2.0
|
|||
package main
|
||||
|
||||
import (
|
||||
"log"
|
||||
"net/http"
|
||||
"os"
|
||||
|
||||
"github.com/suzerain-io/placeholder-name/pkg/handlers"
|
||||
"github.com/suzerain-io/placeholder-name/cmd/placeholder-name/app"
|
||||
)
|
||||
|
||||
func main() {
|
||||
addr := ":8080"
|
||||
log.Printf("Starting server on %v", addr)
|
||||
log.Fatal(http.ListenAndServe(addr, handlers.New()))
|
||||
if err := app.New(os.Args[1:], os.Stdout, os.Stderr).Run(); err != nil {
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
1
go.mod
1
go.mod
|
|
@ -4,6 +4,7 @@ go 1.14
|
|||
|
||||
require (
|
||||
github.com/golangci/golangci-lint v1.28.1
|
||||
github.com/spf13/cobra v1.0.0
|
||||
github.com/stretchr/testify v1.6.1
|
||||
golang.org/x/tools v0.0.0-20200707134715-9e0a013e855f // indirect
|
||||
)
|
||||
|
|
|
|||
14
go.sum
14
go.sum
|
|
@ -41,8 +41,10 @@ github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc
|
|||
github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
|
||||
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
|
||||
github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
|
||||
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8=
|
||||
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
|
||||
github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
|
||||
github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
|
||||
github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
|
||||
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
|
||||
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
|
||||
|
|
@ -100,10 +102,12 @@ github.com/gofrs/flock v0.7.1/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14j
|
|||
github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
|
||||
github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
|
||||
github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
|
||||
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
|
||||
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
|
||||
github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
|
||||
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
|
||||
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
|
||||
github.com/golang/mock v1.3.1 h1:qGJ6qTW+x6xX/my+8YUVl4WNpX9B7+/l2tRsHGZ7f2s=
|
||||
github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
|
||||
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
||||
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
||||
|
|
@ -177,6 +181,7 @@ github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/b
|
|||
github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
|
||||
github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
|
||||
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
|
||||
github.com/hashicorp/golang-lru v0.5.1 h1:0hERBMJE1eitiLkihrMvRVBYAkpHzc/J3QdDN+dAcgU=
|
||||
github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
|
||||
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=
|
||||
|
|
@ -298,6 +303,7 @@ github.com/quasilyte/regex/syntax v0.0.0-20200407221936-30656e2c4a95/go.mod h1:r
|
|||
github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
|
||||
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
|
||||
github.com/rogpeppe/go-internal v1.5.2/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
|
||||
github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
|
||||
github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
|
||||
github.com/ryancurrah/gomodguard v1.1.0 h1:DWbye9KyMgytn8uYpuHkwf0RHqAYO6Ay/D0TbCpPtVU=
|
||||
github.com/ryancurrah/gomodguard v1.1.0/go.mod h1:4O8tr7hBODaGE6VIhfJDHcwzh5GUccKSJBU0UMXJFVM=
|
||||
|
|
@ -313,6 +319,7 @@ github.com/shurcooL/go v0.0.0-20180423040247-9e1955d9fb6e h1:MZM7FHLqUHYI0Y/mQAt
|
|||
github.com/shurcooL/go v0.0.0-20180423040247-9e1955d9fb6e/go.mod h1:TDJrrUr11Vxrven61rcy3hJMUqaf/CLWYhHNPmT14Lk=
|
||||
github.com/shurcooL/go-goon v0.0.0-20170922171312-37c2f522c041 h1:llrF3Fs4018ePo4+G/HV/uQUqEI1HMDjCeOf2V6puPc=
|
||||
github.com/shurcooL/go-goon v0.0.0-20170922171312-37c2f522c041/go.mod h1:N5mDOmsrJOB+vfqUK+7DmDyjhSLIIBnXo9lvZJj3MWQ=
|
||||
github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
|
||||
github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
|
||||
github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
|
||||
github.com/sirupsen/logrus v1.6.0 h1:UBcNElsrwanuuMsnGSlYmtmgbb23qDR5dG+6X6Oo89I=
|
||||
|
|
@ -377,8 +384,10 @@ github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:
|
|||
github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
|
||||
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
|
||||
github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
|
||||
go.etcd.io/bbolt v1.3.2 h1:Z/90sZLPOeCy2PwprqkFa25PdkusRzaj9P8zm/KNyvk=
|
||||
go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
|
||||
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
|
||||
go.opencensus.io v0.22.0 h1:C9hSCOW830chIVkdja34wa6Ky+IzWllkUinR+BtRZd4=
|
||||
go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
|
||||
go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
|
||||
go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
|
||||
|
|
@ -429,6 +438,7 @@ golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR
|
|||
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
|
||||
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
||||
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
||||
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e h1:3G+cUijn7XD+S4eJFddp53Pv7+slrESplyjG25HgL+k=
|
||||
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
|
||||
golang.org/x/net v0.0.0-20200625001655-4c5254603344 h1:vGXIOMxbNfDTk/aXCmfdLgkrSV+Z2tcbze+pEc3v5W4=
|
||||
golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
|
||||
|
|
@ -440,7 +450,9 @@ golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJ
|
|||
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e h1:vcxGaoTs7kV8m5Np9uUNQin4BrLOthgV7252N8V+FwY=
|
||||
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208 h1:qwRHBd0NqMbJxfbotnDhm2ByMI1Shq4Y6oRJo21SGJA=
|
||||
golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
|
|
@ -533,10 +545,12 @@ google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRn
|
|||
google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
|
||||
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
|
||||
google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
|
||||
google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a h1:Ob5/580gVHBJZgXnff1cZDbG+xLtMVE5mDRTe+nIsX4=
|
||||
google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
|
||||
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
|
||||
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
|
||||
google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
|
||||
google.golang.org/grpc v1.21.1 h1:j6XxA85m/6txkUCHvzlV5f+HBNl/1r5cZ2A/3IEFOO8=
|
||||
google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
|
||||
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
|
||||
|
|
|
|||
Loading…
Reference in New Issue