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Change dns healthcheck to look at external domain #3282

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Jul 25, 2018
Merged

Change dns healthcheck to look at external domain #3282

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83887d5
Change dns healthcheck to look at external domain
carlpett Jun 15, 2018
83b8e48
Lookup multiple domains
carlpett Jun 17, 2018
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7 changes: 5 additions & 2 deletions parts/k8s/addons/kubernetesmasteraddons-kube-dns-deployment.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -146,12 +146,15 @@ spec:
- mountPath: /kube-dns-config
name: kube-dns-config
- args:
- "--cmd=nslookup kubernetes.default.svc.<kubernetesKubeletClusterDomain> 127.0.0.1 >/dev/null"
- "--cmd=for d in $PROBE_DOMAINS; do nslookup $d 127.0.0.1 >/dev/null || exit 1; done"
- "--url=/healthz-dnsmasq"
- "--cmd=nslookup kubernetes.default.svc.<kubernetesKubeletClusterDomain> 127.0.0.1:10053 >/dev/null"
- "--cmd=for d in $PROBE_DOMAINS; do nslookup $d 127.0.0.1:10053 >/dev/null || exit 1; done"
- "--url=/healthz-kubedns"
- "--port=8080"
- "--quiet"
env:
- name: PROBE_DOMAINS
value: bing.com kubernetes.default.svc.<kubernetesKubeletClusterDomain>
image: <kubernetesExecHealthzSpec>
livenessProbe:
failureThreshold: 5
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