nhyatt/mutating-webhook
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adds notes and gitignore for vscode

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This commit is contained in:
Hyatt 2022-10-11 07:38:40 -05:00
parent d0bc1b72c6
commit 7468a6dcb4
Signed by: nhyatt
GPG Key ID: C50D0BBB5BC40BEA
2 changed files with 13 additions and 17 deletions
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.gitignore vendored Normal file
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@ -0,0 +1 @@
.vscode/*

29
cmd/webhook/mutate.go
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@ -1,21 +1,15 @@
package main
/*
import (
"fmt"
"log"
"strings"
"encoding/json"
"io/ioutil"
"net/http"
admission "k8s.io/api/admission/v1"
core "k8s.io/api/core/v1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
)
func webMutatePod(w http.ResponseWriter, r *http.Request) {
//https://github.com/douglasmakey/admissioncontroller
}
/*
var (
codecs = serializer.NewCodecFactory(runtime.NewScheme())
)
@ -123,6 +117,7 @@ func mutationResp(w http.ResponseWriter, aRRequest *admission.AdmissionReview, a
w.Write(resp)
}
/*
// create mutation patch for resources
func createPatch(pod *core.Pod, containers []core.Container) ([]byte, error) {
var (
@ -154,7 +149,7 @@ func createPatch(pod *core.Pod, containers []core.Container) ([]byte, error) {
return json.Marshal(patch)
}
// Check whether the target resourse needs to be mutated
// Check whether the target resource needs to be mutated
func mutationRequired(metadata *meta.ObjectMeta) bool {
var ignoredNamespaces = []string{
meta.NamespaceSystem,
@ -164,7 +159,7 @@ func mutationRequired(metadata *meta.ObjectMeta) bool {
// skip special kubernetes system namespaces
for _, namespace := range ignoredNamespaces {
if metadata.Namespace == namespace {
log.Printf("[TRACE] Skip mutation for %v for it's in special namespace:%v", metadata.Name, metadata.Namespace)
log.Printf("[TRACE] Protected namespace detected (%s) skipping mutation: %s", metadata.Namespace, metadata.Name)
return false
}
}
@ -183,7 +178,7 @@ func mutationRequired(metadata *meta.ObjectMeta) bool {
required = false
}
log.Printf("[TRACE] Mutation policy for %v/%v: required:%v", metadata.Namespace, metadata.Name, required)
log.Printf("[TRACE] Mutation policy for %s/%s: required:%b", metadata.Namespace, metadata.Name, required)
return required
}
*/
*/