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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| cache: | ||
| cleanUpIntervalSecond: 10 | ||
| entryTtlSecond: 5 | ||
| ingressClasses: | ||
| - "private" | ||
| - "inter-venture" | ||
| - "inter-dc" | ||
| - "public" | ||
| webhook: | ||
| port: 8443 | ||
| tlsCertFile: "testbin/tls.crt" | ||
| tlsKeyFile: "testbin/tls.key" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| package webhook | ||
|
|
||
| import ( | ||
| "github.com/snapp-incubator/contour-global-ratelimit-operator/pkg/rlsparser" | ||
| admissionv1 "k8s.io/api/admission/v1" | ||
| ) | ||
|
|
||
| type rlsValidator struct { | ||
| next checker | ||
| } | ||
|
|
||
| func (e *rlsValidator) check(checkrequest *checkRequest) (*admissionv1.AdmissionResponse, *httpErr) { | ||
| // check if there is any error in parsing rls configs in HTTPProxy Object | ||
| _, _, err := rlsparser.ParseGlobalRateLimit(checkrequest.newObj) | ||
| if err != nil { | ||
| return acceptWithWarning(err.Error()) | ||
| } | ||
|
|
||
| if e.next != nil { | ||
| return e.next.check(checkrequest) | ||
| } | ||
|
|
||
| return &admissionv1.AdmissionResponse{Allowed: true}, nil | ||
| } | ||
|
|
||
| func (e *rlsValidator) setNext(c checker) { | ||
| e.next = c | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| package webhook | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net/http" | ||
|
|
||
| admissionv1 "k8s.io/api/admission/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
|
||
| func validateWariningRules(response *admissionv1.AdmissionResponse, err *httpErr, request *checkRequest, checkers ...checker) (*admissionv1.AdmissionResponse, *httpErr) { | ||
| //If the request is rejected during rule checking, then do not process the warning rules. | ||
| if !response.Allowed { | ||
| return response, err | ||
| } | ||
|
|
||
| msg := make([]string, 0) | ||
| // Combine all warining msg together | ||
| for _, c := range checkers { | ||
| resp, _ := c.check(request) | ||
| if len(resp.Warnings) > 0 { | ||
| msg = append(msg, resp.Warnings...) | ||
| } | ||
| } | ||
|
|
||
| if wariningResponseCount := len(msg); wariningResponseCount == 0 { | ||
| //There isn't any warning | ||
| return &admissionv1.AdmissionResponse{Allowed: true}, nil | ||
| } | ||
| //return all warnings | ||
| return &admissionv1.AdmissionResponse{Allowed: true, Warnings: msg, Result: &metav1.Status{ | ||
| Code: http.StatusAccepted, | ||
| Message: fmt.Sprint(msg), | ||
| }}, nil | ||
| } | ||
|
|
||
| func acceptWithWarning(message string) (*admissionv1.AdmissionResponse, *httpErr) { | ||
| message = fmt.Sprint("Rate Limit Config Error: ", message) | ||
|
|
||
| messageMaxLenth := 120 | ||
| if lenMsg := len(message); lenMsg < 120 { | ||
| messageMaxLenth = lenMsg | ||
| } | ||
|
|
||
| return &admissionv1.AdmissionResponse{Allowed: true, Warnings: []string{message[:messageMaxLenth]}, Result: &metav1.Status{ | ||
| Code: http.StatusAccepted, | ||
| Message: message, | ||
| }}, nil | ||
| } |