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Fix IngressClass logic for newer releases (#7341)

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* Fix IngressClass logic for newer releases

Signed-off-by: Ricardo Pchevuzinske Katz <ricardo.katz@gmail.com>

* Change e2e tests for the new IngressClass presence

* Fix chart and admission tests

Signed-off-by: Ricardo Pchevuzinske Katz <ricardo.katz@gmail.com>

* Fix helm chart test

Signed-off-by: Ricardo Pchevuzinske Katz <ricardo.katz@gmail.com>

* Fix reviews

* Remove ingressclass code from admission
This commit is contained in:
Ricardo Katz 2021-07-28 18:58:46 -03:00 • committed by GitHub
parent 0d57e87819
commit cef147a24d
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68 changed files with 1450 additions and 637 deletions
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35
cmd/nginx/flags.go
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@ -24,10 +24,10 @@ import (
"github.com/spf13/pflag"
apiv1 "k8s.io/api/core/v1"
"k8s.io/ingress-nginx/internal/ingress/annotations/class"
"k8s.io/ingress-nginx/internal/ingress/annotations/parser"
"k8s.io/ingress-nginx/internal/ingress/controller"
ngx_config "k8s.io/ingress-nginx/internal/ingress/controller/config"
"k8s.io/ingress-nginx/internal/ingress/controller/ingressclass"
"k8s.io/ingress-nginx/internal/ingress/status"
ing_net "k8s.io/ingress-nginx/internal/net"
"k8s.io/ingress-nginx/internal/nginx"
@ -55,10 +55,18 @@ only when the flag --apiserver-host is specified.`)
Takes the form "namespace/name". The controller configures NGINX to forward
requests to the first port of this Service.`)
ingressClass = flags.String("ingress-class", "",
`Name of the ingress class this controller satisfies.
The class of an Ingress object is set using the field IngressClassName in Kubernetes clusters version v1.18.0 or higher or the annotation "kubernetes.io/ingress.class" (deprecated).
If this parameter is not set, or set to the default value of "nginx", it will handle ingresses with either an empty or "nginx" class name.`)
ingressClassAnnotation = flags.String("ingress-class", ingressclass.DefaultAnnotationValue,
`[IN DEPRECATION] Name of the ingress class this controller satisfies.
The class of an Ingress object is set using the annotation "kubernetes.io/ingress.class" (deprecated).
The parameter --controller-class has precedence over this.`)
ingressClassController = flags.String("controller-class", ingressclass.DefaultControllerName,
`Ingress Class Controller value this Ingress satisfies.
The class of an Ingress object is set using the field IngressClassName in Kubernetes clusters version v1.19.0 or higher. The .spec.controller value of the IngressClass
referenced in an Ingress Object should be the same value specified here to make this object be watched.`)
watchWithoutClass = flags.Bool("watch-ingress-without-class", false,
`Define if Ingress Controller should also watch for Ingresses without an IngressClass or the annotation specified`)
configMap = flags.String("configmap", "",
`Name of the ConfigMap containing custom global configurations for the controller.`)
@ -207,18 +215,6 @@ https://blog.maxmind.com/2019/12/18/significant-changes-to-accessing-and-using-g
status.UpdateInterval = *statusUpdateInterval
}
if *ingressClass != "" {
klog.InfoS("Watching for Ingress", "class", *ingressClass)
if *ingressClass != class.DefaultClass {
klog.Warningf("Only Ingresses with class %q will be processed by this Ingress controller", *ingressClass)
} else {
klog.Warning("Ingresses with an empty class will also be processed by this Ingress controller")
}
class.IngressClass = *ingressClass
}
parser.AnnotationsPrefix = *annotationsPrefix
// check port collisions
@ -297,6 +293,11 @@ https://blog.maxmind.com/2019/12/18/significant-changes-to-accessing-and-using-g
HTTPS: *httpsPort,
SSLProxy: *sslProxyPort,
},
IngressClassConfiguration: &ingressclass.IngressClassConfiguration{
Controller: *ingressClassController,
AnnotationValue: *ingressClassAnnotation,
WatchWithoutClass: *watchWithoutClass,
},
DisableCatchAll: *disableCatchAll,
ValidationWebhook: *validationWebhook,
ValidationWebhookCertPath: *validationWebhookCert,