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Raffomloiseleur
Raffo
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mloiseleur
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feat: end to end testing with coredns provider (#5933)
* end to end testing with local provider implementation Signed-off-by: Raffaele Di Fazio <difazio.raffaele@gmail.com> * Update .github/workflows/end-to-end-tests.yml Co-authored-by: Michel Loiseleur <97035654+mloiseleur@users.noreply.github.com> * Update e2e/deployment.yaml Co-authored-by: Michel Loiseleur <97035654+mloiseleur@users.noreply.github.com> * move e2e to coredns Signed-off-by: Raffaele Di Fazio <difazio.raffaele@gmail.com> * newlines Signed-off-by: Raffaele Di Fazio <difazio.raffaele@gmail.com> * Update scripts/e2e-test.sh Co-authored-by: Michel Loiseleur <97035654+mloiseleur@users.noreply.github.com> * drop all comments Signed-off-by: Raffaele Di Fazio <difazio.raffaele@gmail.com> * Update .github/workflows/end-to-end-tests.yml Co-authored-by: Michel Loiseleur <97035654+mloiseleur@users.noreply.github.com> --------- Signed-off-by: Raffaele Di Fazio <difazio.raffaele@gmail.com> Co-authored-by: Michel Loiseleur <97035654+mloiseleur@users.noreply.github.com>
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‎.github/workflows/end-to-end-tests.yml‎

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name: end to end test
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on:
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push:
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branches:
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pull_request:
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branches: [ master ]
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workflow_dispatch:
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jobs:
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e2e-tests:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: e2e
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run: |
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./scripts/e2e-test.sh

‎e2e/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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labels:
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app: demo-app
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name: demo-app
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: demo-app
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template:
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metadata:
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labels:
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app: demo-app
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spec:
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containers:
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- image: traefik/whoami:latest # minimal demo app
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name: demo-app

‎e2e/provider/coredns.yaml‎

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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: coredns
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namespace: default
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data:
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Corefile: |
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external.dns:5353 {
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errors
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log
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etcd {
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stubzones
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path /skydns
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endpoint http://etcd-0.etcd:2379
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}
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cache 30
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forward . /etc/resolv.conf
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}
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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: coredns
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namespace: default
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labels:
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app: coredns
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: coredns
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template:
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metadata:
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labels:
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app: coredns
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spec:
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hostNetwork: true
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dnsPolicy: Default
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containers:
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- name: coredns
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image: coredns/coredns:1.13.1
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args: [ "-conf", "/etc/coredns/Corefile" ]
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volumeMounts:
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- name: config-volume
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mountPath: /etc/coredns
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ports:
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- containerPort: 5353
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name: dns
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protocol: UDP
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- containerPort: 5353
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name: dns-tcp
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protocol: TCP
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livenessProbe:
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httpGet:
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path: /health
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port: 8080
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scheme: HTTP
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initialDelaySeconds: 60
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timeoutSeconds: 5
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successThreshold: 1
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failureThreshold: 5
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readinessProbe:
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httpGet:
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path: /ready
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port: 8181
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scheme: HTTP
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initialDelaySeconds: 10
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timeoutSeconds: 5
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successThreshold: 1
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failureThreshold: 5
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volumes:
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- name: config-volume
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configMap:
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name: coredns
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items:
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- key: Corefile
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path: Corefile
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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: coredns
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namespace: default
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labels:
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app: coredns
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spec:
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selector:
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app: coredns
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ports:
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- name: dns
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port: 5353
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targetPort: 5353
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protocol: UDP
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- name: dns-tcp
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port: 5353
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targetPort: 5353
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protocol: TCP

‎e2e/provider/etcd.yaml‎

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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: etcd
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namespace: default
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spec:
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type: ClusterIP
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clusterIP: None
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selector:
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app: etcd
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publishNotReadyAddresses: true
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ports:
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- name: etcd-client
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port: 2379
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- name: etcd-server
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port: 2380
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- name: etcd-metrics
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port: 8080
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---
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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namespace: default
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name: etcd
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spec:
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serviceName: etcd
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replicas: 1
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podManagementPolicy: Parallel
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updateStrategy:
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type: RollingUpdate
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selector:
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matchLabels:
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app: etcd
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template:
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metadata:
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labels:
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app: etcd
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annotations:
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serviceName: etcd
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spec:
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affinity:
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podAntiAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app
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operator: In
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values:
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- etcd
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topologyKey: "kubernetes.io/hostname"
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containers:
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- name: etcd
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image: quay.io/coreos/etcd:v3.6.0
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imagePullPolicy: IfNotPresent
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ports:
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- name: etcd-client
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containerPort: 2379
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- name: etcd-server
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containerPort: 2380
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- name: etcd-metrics
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containerPort: 8080
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readinessProbe:
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httpGet:
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path: /readyz
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port: 8080
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initialDelaySeconds: 10
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periodSeconds: 5
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timeoutSeconds: 5
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successThreshold: 1
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failureThreshold: 30
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livenessProbe:
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httpGet:
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path: /livez
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port: 8080
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initialDelaySeconds: 15
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periodSeconds: 10
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timeoutSeconds: 5
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failureThreshold: 3
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env:
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- name: K8S_NAMESPACE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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- name: HOSTNAME
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valueFrom:
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fieldRef:
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fieldPath: metadata.name
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- name: SERVICE_NAME
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valueFrom:
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fieldRef:
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fieldPath: metadata.annotations['serviceName']
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- name: ETCDCTL_ENDPOINTS
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value: $(HOSTNAME).$(SERVICE_NAME):2379
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- name: URI_SCHEME
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value: "http"
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command:
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- /usr/local/bin/etcd
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args:
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- --name=$(HOSTNAME)
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- --data-dir=/data
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- --wal-dir=/data/wal
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- --listen-peer-urls=$(URI_SCHEME)://0.0.0.0:2380
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- --listen-client-urls=$(URI_SCHEME)://0.0.0.0:2379
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- --advertise-client-urls=$(URI_SCHEME)://$(HOSTNAME).$(SERVICE_NAME):2379
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- --initial-cluster-state=new
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- --initial-cluster-token=etcd-$(K8S_NAMESPACE)
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- --initial-cluster=etcd-0=$(URI_SCHEME)://etcd-0.$(SERVICE_NAME):2380
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- --initial-advertise-peer-urls=$(URI_SCHEME)://$(HOSTNAME).$(SERVICE_NAME):2380
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- --listen-metrics-urls=http://0.0.0.0:8080
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volumeMounts:
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- name: etcd-data
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mountPath: /data
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volumeClaimTemplates:
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- metadata:
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name: etcd-data
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spec:
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accessModes: ["ReadWriteOnce"]
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resources:
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requests:
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storage: 1Gi

‎e2e/service.yaml‎

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apiVersion: v1
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kind: Service
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metadata:
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labels:
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app: demo-app
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name: demo-app
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annotations:
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external-dns.alpha.kubernetes.io/hostname: externaldns-e2e.external.dns
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spec:
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ports:
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- port: 80
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protocol: TCP
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targetPort: 8080
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selector:
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app: demo-app
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clusterIP: None

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