marko/docker-development-youtube-series
1
0
Fork 0
mirror of https://github.com/marcel-dempers/docker-development-youtube-series.git synced 2025-06-06 17:01:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

updates

Browse Source
This commit is contained in:
marcel-dempers 2021-04-19 17:12:35 +10:00
parent 094458c69f
commit 1774bfcc15
3 changed files with 28 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
kubernetes/admissioncontrollers/introduction/sourcecode/go.mod
View File

@ -3,6 +3,7 @@ module example-webhook
go 1.15 go 1.15
require ( require (
k8s.io/api v0.21.0
k8s.io/apimachinery v0.21.0 k8s.io/apimachinery v0.21.0
k8s.io/client-go v0.21.0 k8s.io/client-go v0.21.0
) )

38
kubernetes/admissioncontrollers/introduction/sourcecode/main.go
View File

@ -17,34 +17,34 @@ import (
"flag" "flag"
"strconv" "strconv"
"io/ioutil" "io/ioutil"
"k8s.io/api/admission/v1beta1" "k8s.io/api/admission/v1beta1"
"errors" "errors"
apiv1 "k8s.io/api/core/v1" apiv1 "k8s.io/api/core/v1"
"encoding/json" "encoding/json"
) )
var (
universalDeserializer = serializer.NewCodecFactory(runtime.NewScheme()).UniversalDeserializer()
)
var parameters ServerParameters
type ServerParameters struct { type ServerParameters struct {
port int // webhook server port port int // webhook server port
certFile string // path to the x509 certificate for https certFile string // path to the x509 certificate for https
keyFile string // path to the x509 private key matching `CertFile` keyFile string // path to the x509 private key matching `CertFile`
} }
var config *rest.Config
var clientSet *kubernetes.Clientset
type patchOperation struct { type patchOperation struct {
Op string `json:"op"` Op string `json:"op"`
Path string `json:"path"` Path string `json:"path"`
Value interface{} `json:"value,omitempty"` Value interface{} `json:"value,omitempty"`
} }
var parameters ServerParameters
var (
universalDeserializer = serializer.NewCodecFactory(runtime.NewScheme()).UniversalDeserializer()
)
var config *rest.Config
var clientSet *kubernetes.Clientset
func main() { func main() {
@ -93,7 +93,6 @@ func main() {
test() test()
http.HandleFunc("/", HandleRoot) http.HandleFunc("/", HandleRoot)
http.HandleFunc("/mutate", HandleMutate) http.HandleFunc("/mutate", HandleMutate)
log.Fatal(http.ListenAndServeTLS(":" + strconv.Itoa(parameters.port), parameters.certFile, parameters.keyFile, nil)) log.Fatal(http.ListenAndServeTLS(":" + strconv.Itoa(parameters.port), parameters.certFile, parameters.keyFile, nil))
} }
@ -103,8 +102,8 @@ func HandleRoot(w http.ResponseWriter, r *http.Request){
func HandleMutate(w http.ResponseWriter, r *http.Request){ func HandleMutate(w http.ResponseWriter, r *http.Request){
body, err := ioutil.ReadAll(r.Body) body, err := ioutil.ReadAll(r.Body)
// err = ioutil.WriteFile("/tmp/request", body, 0644) err = ioutil.WriteFile("/tmp/request", body, 0644)
if err != nil { if err != nil {
panic(err.Error()) panic(err.Error())
} }
@ -142,18 +141,20 @@ func HandleMutate(w http.ResponseWriter, r *http.Request){
Op: "add", Op: "add",
Path: "/metadata/labels", Path: "/metadata/labels",
Value: labels, Value: labels,
}) })
patchBytes, err := json.Marshal(patches) patchBytes, err := json.Marshal(patches)
if err != nil { if err != nil {
fmt.Errorf("could not marshal JSON patch: %v", err) fmt.Errorf("could not marshal JSON patch: %v", err)
} }
admissionReviewResponse := v1beta1.AdmissionReview{ admissionReviewResponse := v1beta1.AdmissionReview{
Response: &v1beta1.AdmissionResponse{ Response: &v1beta1.AdmissionResponse{
UID: admissionReviewReq.Request.UID, UID: admissionReviewReq.Request.UID,
Allowed: true, Allowed: true,
}, },
} }
admissionReviewResponse.Response.Patch = patchBytes admissionReviewResponse.Response.Patch = patchBytes
@ -164,4 +165,5 @@ func HandleMutate(w http.ResponseWriter, r *http.Request){
} }
w.Write(bytes) w.Write(bytes)
} }

4
kubernetes/admissioncontrollers/introduction/tls/example-webhook-tls.yaml
View File

@ -4,5 +4,5 @@ metadata:
name: example-webhook-tls name: example-webhook-tls
type: Opaque type: Opaque
data: data:
tls.crt: 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 tls.crt: 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
tls.key: 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 tls.key: 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