nginx ingress wip

This commit is contained in:
marcel-dempers 2022-11-11 10:10:14 +11:00
parent 9b130c3b65
commit 4095c3050a
2 changed files with 834 additions and 0 deletions

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@ -36,6 +36,11 @@ mv ./kubectl /usr/local/bin/kubectl
# install helm
curl -o /tmp/helm.tar.gz -LO https://get.helm.sh/helm-v3.10.1-linux-amd64.tar.gz
tar -C /tmp/ -zxvf /tmp/helm.tar.gz
mv /tmp/linux-amd64/helm /usr/local/bin/helm
chmod +x /usr/local/bin/helm
```
### test cluster access:
@ -44,3 +49,92 @@ mv ./kubectl /usr/local/bin/kubectl
NAME STATUS ROLES AGE VERSION
nginx-ingress-control-plane Ready control-plane,master 3m26s v1.23.5
```
## NGINX Ingress Controller
We'll start with the documentation as always </br>
You can find the [Kubernetes NGINX documentation here](https://kubernetes.github.io/ingress-nginx/) </br>
First thing we do is check the compatibility matrix to ensure we are deploying a compatible version of NGINX Ingress on our Kubernetes cluster </br>
The Documentation also has a link to the [GitHub Repo](https://github.com/kubernetes/ingress-nginx/) which has a compatibility matrix </br>
### Get the installation YAML
The controller ships as a `helm` chart, so we can grab version `v1.5.1` as per the compatibility
matrix. </br>
From our container we can do this:
```
helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx
helm search repo ingress-nginx --versions
```
From the app version we select the version that matches the compatibility matrix. </br>
```
NAME CHART VERSION APP VERSION DESCRIPTION
ingress-nginx/ingress-nginx 4.4.0 1.5.1 Ingress controller for Kubernetes using NGINX a...
```
Now we can use `helm` to install the chart directly if we want. </br>
Or we can use `helm` to grab the manifest and explore its content. </br>
We can also add that manifest to our git repo if we are using a GitOps workflow to deploy it. </br>
```
CHART_VERSION="4.4.0"
APP_VERSION="1.5.1"
mkdir ./kubernetes/ingress/controller/nginx/manifests/
helm template ingress-nginx ingress-nginx \
--repo https://kubernetes.github.io/ingress-nginx \
--version ${CHART_VERSION} \
--namespace ingress-nginx \
> ./kubernetes/ingress/controller/nginx/manifests/nginx-ingress.${APP_VERSION}.yaml
```
### Deploy the Ingress controller
```
kubectl create namespace ingress-nginx
kubectl apply -f ./kubernetes/ingress/controller/nginx/manifests/nginx-ingress.${APP_VERSION}.yaml
```
### Check the installation
```
kubectl -n ingress-nginx get pods
```
The traffic for our cluster will come in over the Ingress service </br>
Note that we dont have load balancer capability in `kind` by default, so our `LoadBalancer` is pending:
```
kubectl -n ingress-nginx get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
ingress-nginx-controller LoadBalancer 10.96.130.21 <pending> 80:31011/TCP,443:31772/TCP 26m
ingress-nginx-controller-admission ClusterIP 10.96.125.210 <none> 443/TCP 26m
```
For testing purposes, we will simply setup `port-forward`ing </br>
If you are running in the cloud, you will get a real IP address. </br>
```
kubectl -n ingress-nginx port-forward svc/ingress-nginx-controller 443
```
We can reach our controller on [https://localhost/](https://localhost/)
## Features
* Routing DOMAIN
* SSL terminating & passthrough
* routing URL
customization (configmap)
* location snippet
* log formating

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@ -0,0 +1,740 @@
---
# Source: ingress-nginx/templates/controller-serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: ingress-nginx
automountServiceAccountToken: true
---
# Source: ingress-nginx/templates/controller-configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: ingress-nginx
data:
allow-snippet-annotations: "true"
---
# Source: ingress-nginx/templates/clusterrole.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
name: ingress-nginx
rules:
- apiGroups:
- ""
resources:
- configmaps
- endpoints
- nodes
- pods
- secrets
- namespaces
verbs:
- list
- watch
- apiGroups:
- coordination.k8s.io
resources:
- leases
verbs:
- list
- watch
- apiGroups:
- ""
resources:
- nodes
verbs:
- get
- apiGroups:
- ""
resources:
- services
verbs:
- get
- list
- watch
- apiGroups:
- networking.k8s.io
resources:
- ingresses
verbs:
- get
- list
- watch
- apiGroups:
- ""
resources:
- events
verbs:
- create
- patch
- apiGroups:
- networking.k8s.io
resources:
- ingresses/status
verbs:
- update
- apiGroups:
- networking.k8s.io
resources:
- ingressclasses
verbs:
- get
- list
- watch
- apiGroups:
- discovery.k8s.io
resources:
- endpointslices
verbs:
- list
- watch
- get
---
# Source: ingress-nginx/templates/clusterrolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
name: ingress-nginx
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: ingress-nginx
subjects:
- kind: ServiceAccount
name: ingress-nginx
namespace: "ingress-nginx"
---
# Source: ingress-nginx/templates/controller-role.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: ingress-nginx
rules:
- apiGroups:
- ""
resources:
- namespaces
verbs:
- get
- apiGroups:
- ""
resources:
- configmaps
- pods
- secrets
- endpoints
verbs:
- get
- list
- watch
- apiGroups:
- ""
resources:
- services
verbs:
- get
- list
- watch
- apiGroups:
- networking.k8s.io
resources:
- ingresses
verbs:
- get
- list
- watch
- apiGroups:
- networking.k8s.io
resources:
- ingresses/status
verbs:
- update
- apiGroups:
- networking.k8s.io
resources:
- ingressclasses
verbs:
- get
- list
- watch
# TODO(Jintao Zhang)
# Once we release a new version of the controller,
# we will be able to remove the configmap related permissions
# We have used the Lease API for selection
# ref: https://github.com/kubernetes/ingress-nginx/pull/8921
- apiGroups:
- ""
resources:
- configmaps
resourceNames:
- ingress-nginx-leader
verbs:
- get
- update
- apiGroups:
- ""
resources:
- configmaps
verbs:
- create
- apiGroups:
- coordination.k8s.io
resources:
- leases
resourceNames:
- ingress-nginx-leader
verbs:
- get
- update
- apiGroups:
- coordination.k8s.io
resources:
- leases
verbs:
- create
- apiGroups:
- ""
resources:
- events
verbs:
- create
- patch
- apiGroups:
- discovery.k8s.io
resources:
- endpointslices
verbs:
- list
- watch
- get
---
# Source: ingress-nginx/templates/controller-rolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: ingress-nginx
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: ingress-nginx
subjects:
- kind: ServiceAccount
name: ingress-nginx
namespace: "ingress-nginx"
---
# Source: ingress-nginx/templates/controller-service-webhook.yaml
apiVersion: v1
kind: Service
metadata:
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller-admission
namespace: ingress-nginx
spec:
type: ClusterIP
ports:
- name: https-webhook
port: 443
targetPort: webhook
appProtocol: https
selector:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
---
# Source: ingress-nginx/templates/controller-service.yaml
apiVersion: v1
kind: Service
metadata:
annotations:
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: ingress-nginx
spec:
type: LoadBalancer
ipFamilyPolicy: SingleStack
ipFamilies:
- IPv4
ports:
- name: http
port: 80
protocol: TCP
targetPort: http
appProtocol: http
- name: https
port: 443
protocol: TCP
targetPort: https
appProtocol: https
selector:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
---
# Source: ingress-nginx/templates/controller-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: ingress-nginx
spec:
selector:
matchLabels:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
replicas: 1
revisionHistoryLimit: 10
minReadySeconds: 0
template:
metadata:
labels:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
spec:
dnsPolicy: ClusterFirst
containers:
- name: controller
image: "registry.k8s.io/ingress-nginx/controller:v1.5.1@sha256:4ba73c697770664c1e00e9f968de14e08f606ff961c76e5d7033a4a9c593c629"
imagePullPolicy: IfNotPresent
lifecycle:
preStop:
exec:
command:
- /wait-shutdown
args:
- /nginx-ingress-controller
- --publish-service=$(POD_NAMESPACE)/ingress-nginx-controller
- --election-id=ingress-nginx-leader
- --controller-class=k8s.io/ingress-nginx
- --ingress-class=nginx
- --configmap=$(POD_NAMESPACE)/ingress-nginx-controller
- --validating-webhook=:8443
- --validating-webhook-certificate=/usr/local/certificates/cert
- --validating-webhook-key=/usr/local/certificates/key
securityContext:
capabilities:
drop:
- ALL
add:
- NET_BIND_SERVICE
runAsUser: 101
allowPrivilegeEscalation: true
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
- name: LD_PRELOAD
value: /usr/local/lib/libmimalloc.so
livenessProbe:
failureThreshold: 5
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
readinessProbe:
failureThreshold: 3
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
ports:
- name: http
containerPort: 80
protocol: TCP
- name: https
containerPort: 443
protocol: TCP
- name: webhook
containerPort: 8443
protocol: TCP
volumeMounts:
- name: webhook-cert
mountPath: /usr/local/certificates/
readOnly: true
resources:
requests:
cpu: 100m
memory: 90Mi
nodeSelector:
kubernetes.io/os: linux
serviceAccountName: ingress-nginx
terminationGracePeriodSeconds: 300
volumes:
- name: webhook-cert
secret:
secretName: ingress-nginx-admission
---
# Source: ingress-nginx/templates/controller-ingressclass.yaml
# We don't support namespaced ingressClass yet
# So a ClusterRole and a ClusterRoleBinding is required
apiVersion: networking.k8s.io/v1
kind: IngressClass
metadata:
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: nginx
spec:
controller: k8s.io/ingress-nginx
---
# Source: ingress-nginx/templates/admission-webhooks/validating-webhook.yaml
# before changing this value, check the required kubernetes version
# https://kubernetes.io/docs/reference/access-authn-authz/extensible-admission-controllers/#prerequisites
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
name: ingress-nginx-admission
webhooks:
- name: validate.nginx.ingress.kubernetes.io
matchPolicy: Equivalent
rules:
- apiGroups:
- networking.k8s.io
apiVersions:
- v1
operations:
- CREATE
- UPDATE
resources:
- ingresses
failurePolicy: Fail
sideEffects: None
admissionReviewVersions:
- v1
clientConfig:
service:
namespace: "ingress-nginx"
name: ingress-nginx-controller-admission
path: /networking/v1/ingresses
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
name: ingress-nginx-admission
namespace: ingress-nginx
annotations:
"helm.sh/hook": pre-install,pre-upgrade,post-install,post-upgrade
"helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/clusterrole.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: ingress-nginx-admission
annotations:
"helm.sh/hook": pre-install,pre-upgrade,post-install,post-upgrade
"helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
rules:
- apiGroups:
- admissionregistration.k8s.io
resources:
- validatingwebhookconfigurations
verbs:
- get
- update
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/clusterrolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: ingress-nginx-admission
annotations:
"helm.sh/hook": pre-install,pre-upgrade,post-install,post-upgrade
"helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: ingress-nginx-admission
subjects:
- kind: ServiceAccount
name: ingress-nginx-admission
namespace: "ingress-nginx"
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/role.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: ingress-nginx-admission
namespace: ingress-nginx
annotations:
"helm.sh/hook": pre-install,pre-upgrade,post-install,post-upgrade
"helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
rules:
- apiGroups:
- ""
resources:
- secrets
verbs:
- get
- create
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/rolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: ingress-nginx-admission
namespace: ingress-nginx
annotations:
"helm.sh/hook": pre-install,pre-upgrade,post-install,post-upgrade
"helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: ingress-nginx-admission
subjects:
- kind: ServiceAccount
name: ingress-nginx-admission
namespace: "ingress-nginx"
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/job-createSecret.yaml
apiVersion: batch/v1
kind: Job
metadata:
name: ingress-nginx-admission-create
namespace: ingress-nginx
annotations:
"helm.sh/hook": pre-install,pre-upgrade
"helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
template:
metadata:
name: ingress-nginx-admission-create
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
containers:
- name: create
image: "registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20220916-gd32f8c343@sha256:39c5b2e3310dc4264d638ad28d9d1d96c4cbb2b2dcfb52368fe4e3c63f61e10f"
imagePullPolicy: IfNotPresent
args:
- create
- --host=ingress-nginx-controller-admission,ingress-nginx-controller-admission.$(POD_NAMESPACE).svc
- --namespace=$(POD_NAMESPACE)
- --secret-name=ingress-nginx-admission
env:
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
securityContext:
allowPrivilegeEscalation: false
restartPolicy: OnFailure
serviceAccountName: ingress-nginx-admission
nodeSelector:
kubernetes.io/os: linux
securityContext:
fsGroup: 2000
runAsNonRoot: true
runAsUser: 2000
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/job-patchWebhook.yaml
apiVersion: batch/v1
kind: Job
metadata:
name: ingress-nginx-admission-patch
namespace: ingress-nginx
annotations:
"helm.sh/hook": post-install,post-upgrade
"helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
template:
metadata:
name: ingress-nginx-admission-patch
labels:
helm.sh/chart: ingress-nginx-4.4.0
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: "1.5.1"
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
containers:
- name: patch
image: "registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20220916-gd32f8c343@sha256:39c5b2e3310dc4264d638ad28d9d1d96c4cbb2b2dcfb52368fe4e3c63f61e10f"
imagePullPolicy: IfNotPresent
args:
- patch
- --webhook-name=ingress-nginx-admission
- --namespace=$(POD_NAMESPACE)
- --patch-mutating=false
- --secret-name=ingress-nginx-admission
- --patch-failure-policy=Fail
env:
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
securityContext:
allowPrivilegeEscalation: false
restartPolicy: OnFailure
serviceAccountName: ingress-nginx-admission
nodeSelector:
kubernetes.io/os: linux
securityContext:
fsGroup: 2000
runAsNonRoot: true
runAsUser: 2000