0b300cbe42
To make an impersonation request, first make a TokenCredentialRequest to get a certificate. That cert will either be issued by the Kube API server's CA or by a new CA specific to the impersonator. Either way, you can then make a request to the impersonator and present that client cert for auth and the impersonator will accept it and make the impesonation call on your behalf. The impersonator http handler now borrows some Kube library code to handle request processing. This will allow us to more closely mimic the behavior of a real API server, e.g. the client cert auth will work exactly like the real API server. Signed-off-by: Monis Khan <mok@vmware.com>
242 lines
8.0 KiB
YAML
242 lines
8.0 KiB
YAML
#! Copyright 2020-2021 the Pinniped contributors. All Rights Reserved.
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#! SPDX-License-Identifier: Apache-2.0
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#@ load("@ytt:data", "data")
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#@ load("@ytt:json", "json")
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#@ load("helpers.lib.yaml", "defaultLabel", "labels", "namespace", "defaultResourceName", "defaultResourceNameWithSuffix", "getAndValidateLogLevel", "pinnipedDevAPIGroupWithPrefix")
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#@ if not data.values.into_namespace:
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---
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apiVersion: v1
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kind: Namespace
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metadata:
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name: #@ data.values.namespace
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labels: #@ labels()
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#@ end
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---
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: #@ defaultResourceName()
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namespace: #@ namespace()
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labels: #@ labels()
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: #@ defaultResourceNameWithSuffix("config")
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namespace: #@ namespace()
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labels: #@ labels()
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data:
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#! If names.apiService is changed in this ConfigMap, must also change name of the ClusterIP Service resource below.
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#@yaml/text-templated-strings
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pinniped.yaml: |
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discovery:
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url: (@= data.values.discovery_url or "null" @)
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api:
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servingCertificate:
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durationSeconds: (@= str(data.values.api_serving_certificate_duration_seconds) @)
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renewBeforeSeconds: (@= str(data.values.api_serving_certificate_renew_before_seconds) @)
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apiGroupSuffix: (@= data.values.api_group_suffix @)
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names:
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servingCertificateSecret: (@= defaultResourceNameWithSuffix("api-tls-serving-certificate") @)
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credentialIssuer: (@= defaultResourceNameWithSuffix("config") @)
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apiService: (@= defaultResourceNameWithSuffix("api") @)
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impersonationConfigMap: (@= defaultResourceNameWithSuffix("impersonation-proxy-config") @)
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impersonationLoadBalancerService: (@= defaultResourceNameWithSuffix("impersonation-proxy-load-balancer") @)
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impersonationTLSCertificateSecret: (@= defaultResourceNameWithSuffix("impersonation-proxy-tls-serving-certificate") @)
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impersonationCACertificateSecret: (@= defaultResourceNameWithSuffix("impersonation-proxy-ca-certificate") @)
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impersonationSignerSecret: (@= defaultResourceNameWithSuffix("impersonation-proxy-signer-ca-certificate") @)
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labels: (@= json.encode(labels()).rstrip() @)
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kubeCertAgent:
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namePrefix: (@= defaultResourceNameWithSuffix("kube-cert-agent-") @)
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(@ if data.values.kube_cert_agent_image: @)
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image: (@= data.values.kube_cert_agent_image @)
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(@ else: @)
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(@ if data.values.image_digest: @)
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image: (@= data.values.image_repo + "@" + data.values.image_digest @)
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(@ else: @)
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image: (@= data.values.image_repo + ":" + data.values.image_tag @)
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(@ end @)
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(@ end @)
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(@ if data.values.image_pull_dockerconfigjson: @)
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imagePullSecrets:
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- image-pull-secret
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(@ end @)
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(@ if data.values.log_level: @)
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logLevel: (@= getAndValidateLogLevel() @)
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(@ end @)
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---
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#@ if data.values.image_pull_dockerconfigjson and data.values.image_pull_dockerconfigjson != "":
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apiVersion: v1
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kind: Secret
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metadata:
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name: image-pull-secret
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namespace: #@ namespace()
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labels: #@ labels()
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type: kubernetes.io/dockerconfigjson
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data:
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.dockerconfigjson: #@ data.values.image_pull_dockerconfigjson
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#@ end
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: #@ defaultResourceName()
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namespace: #@ namespace()
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labels: #@ labels()
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spec:
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replicas: #@ data.values.replicas
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selector:
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matchLabels: #@ defaultLabel()
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template:
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metadata:
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labels: #@ defaultLabel()
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annotations:
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scheduler.alpha.kubernetes.io/critical-pod: ""
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spec:
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securityContext:
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runAsUser: #@ data.values.run_as_user
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runAsGroup: #@ data.values.run_as_group
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serviceAccountName: #@ defaultResourceName()
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#@ if data.values.image_pull_dockerconfigjson and data.values.image_pull_dockerconfigjson != "":
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imagePullSecrets:
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- name: image-pull-secret
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#@ end
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containers:
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- name: #@ defaultResourceName()
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#@ if data.values.image_digest:
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image: #@ data.values.image_repo + "@" + data.values.image_digest
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#@ else:
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image: #@ data.values.image_repo + ":" + data.values.image_tag
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#@ end
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imagePullPolicy: IfNotPresent
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resources:
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requests:
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cpu: "100m"
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memory: "128Mi"
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limits:
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cpu: "100m"
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memory: "128Mi"
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args:
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- --config=/etc/config/pinniped.yaml
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- --downward-api-path=/etc/podinfo
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volumeMounts:
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- name: config-volume
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mountPath: /etc/config
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- name: podinfo
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mountPath: /etc/podinfo
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livenessProbe:
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httpGet:
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path: /healthz
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port: 8443
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scheme: HTTPS
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initialDelaySeconds: 2
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timeoutSeconds: 15
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periodSeconds: 10
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failureThreshold: 5
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readinessProbe:
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httpGet:
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path: /healthz
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port: 8443
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scheme: HTTPS
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initialDelaySeconds: 2
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timeoutSeconds: 3
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periodSeconds: 10
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failureThreshold: 3
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volumes:
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- name: config-volume
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configMap:
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name: #@ defaultResourceNameWithSuffix("config")
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- name: podinfo
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downwardAPI:
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items:
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- path: "labels"
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fieldRef:
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fieldPath: metadata.labels
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- path: "name"
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fieldRef:
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fieldPath: metadata.name
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- path: "namespace"
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fieldRef:
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fieldPath: metadata.namespace
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tolerations:
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- key: CriticalAddonsOnly
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operator: Exists
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- key: node-role.kubernetes.io/master #! Allow running on master nodes too
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effect: NoSchedule
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#! "system-cluster-critical" cannot be used outside the kube-system namespace until Kubernetes >= 1.17,
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#! so we skip setting this for now (see https://github.com/kubernetes/kubernetes/issues/60596).
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#!priorityClassName: system-cluster-critical
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#! This will help make sure our multiple pods run on different nodes, making
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#! our deployment "more" "HA".
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affinity:
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podAntiAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 50
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podAffinityTerm:
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labelSelector:
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matchLabels: #@ defaultLabel()
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topologyKey: kubernetes.io/hostname
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---
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apiVersion: v1
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kind: Service
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metadata:
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#! If name is changed, must also change names.apiService in the ConfigMap above and spec.service.name in the APIService below.
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name: #@ defaultResourceNameWithSuffix("api")
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namespace: #@ namespace()
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labels: #@ labels()
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spec:
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type: ClusterIP
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selector: #@ defaultLabel()
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ports:
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- protocol: TCP
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port: 443
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targetPort: 8443
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: #@ defaultResourceNameWithSuffix("proxy")
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namespace: #@ namespace()
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labels: #@ labels()
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spec:
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type: ClusterIP
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selector: #@ defaultLabel()
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ports:
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- protocol: TCP
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port: 443
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targetPort: 8444
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---
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apiVersion: apiregistration.k8s.io/v1
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kind: APIService
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metadata:
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name: #@ pinnipedDevAPIGroupWithPrefix("v1alpha1.login.concierge")
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labels: #@ labels()
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spec:
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version: v1alpha1
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group: #@ pinnipedDevAPIGroupWithPrefix("login.concierge")
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groupPriorityMinimum: 9900
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versionPriority: 15
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#! caBundle: Do not include this key here. Starts out null, will be updated/owned by the golang code.
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service:
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name: #@ defaultResourceNameWithSuffix("api")
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namespace: #@ namespace()
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port: 443
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---
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apiVersion: apiregistration.k8s.io/v1
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kind: APIService
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metadata:
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name: #@ pinnipedDevAPIGroupWithPrefix("v1alpha1.identity.concierge")
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labels: #@ labels()
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spec:
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version: v1alpha1
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group: #@ pinnipedDevAPIGroupWithPrefix("identity.concierge")
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groupPriorityMinimum: 9900
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versionPriority: 15
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#! caBundle: Do not include this key here. Starts out null, will be updated/owned by the golang code.
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service:
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name: #@ defaultResourceNameWithSuffix("api")
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namespace: #@ namespace()
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port: 443
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