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Update CoreDNS docs for beta #7638

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@johnbelamaric
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johnbelamaric commented Mar 5, 2018

Allow edits from maintainers checkbox

@@ -1,11 +1,11 @@
---
approvers:
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johnbelamaric Mar 5, 2018

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Oops, I didn't mean to make this change. What should this be? I am not in the K8s org, so I can't actually approve it.

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@bradtopol

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@johnbelamaric can you just change this value back using a second commit?

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will do

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k8sio-netlify-preview-bot commented Mar 5, 2018

Deploy preview for kubernetes-io-vnext-staging ready!

Built with commit 008a5e6

https://deploy-preview-7638--kubernetes-io-vnext-staging.netlify.com

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johnbelamaric commented Mar 5, 2018

I am not in the org so I can't set the milestone to 1.10.

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fturib approved these changes Mar 5, 2018

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LGTM


```
kubeadm init --feature-gates=CoreDNS=true
```

This installs CoreDNS instead of kube-dns.

## Upgrading an Existing Cluster with kubeadm

In Kuberentes 1.10, you can also move to CoreDNS when you use `kubeadm` to upgrade

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@rajansandeep

rajansandeep Mar 5, 2018

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Kubernetes*


In particular, changes that may be important are:

* Updating the image to `coredns/coredns:1.0.6`

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@rajansandeep

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This is done automatically when we upgrade with kubeadm.

In particular, changes that may be important are:

* Updating the image to `coredns/coredns:1.0.6`
* Changing `upstream /etc/resolv.conf` to just `upstream`, which changes external service CNAME lookups

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@rajansandeep

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This change is done automatically right now as the CoreDNS configmap goes back to its default configuration after upgrade.
We should ask the user to save their corefile/configmap before they upgrade to avoid them losing their own configurations.

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@bradtopol

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@rajansandeep are you okay with me assigning you to be the technical reviewer? You seem to already have earned that role. :-)

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@bradtopol yes sure! I don't have rights to approve and lgtm the PR though.

@bradtopol bradtopol self-assigned this Mar 5, 2018

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bradtopol commented Mar 5, 2018

@rajansandeep can you add a lgtm label if you have completed your technical review and you feel it is good to go.

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rajansandeep commented Mar 5, 2018

/lgtm

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@rajansandeep: changing LGTM is restricted to assignees, and only kubernetes org members may be assigned issues.

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/lgtm

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rajansandeep commented Mar 5, 2018

@bradtopol I don't have permission to add the label. It's a lgtm from my side.

@Bradamant3 Bradamant3 added this to the 1.10 milestone Mar 5, 2018

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Bradamant3 commented Mar 5, 2018

/assign

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Bradamant3 commented Mar 5, 2018

/lgtm
/approve

@k8s-ci-robot k8s-ci-robot added the lgtm label Mar 5, 2018

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k8s-ci-robot commented Mar 5, 2018

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Bradamant3, rajansandeep

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

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Approvers can cancel approval by writing /approve cancel in a comment

@k8s-ci-robot k8s-ci-robot merged commit 9bc1a48 into kubernetes:release-1.10 Mar 5, 2018

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In Kubernetes 1.9, [CoreDNS](https://coredns.io) is available as an alpha feature and
may be installed by setting the `CoreDNS` feature gate to `true` during `kubeadm init`:
In Kubernetes 1.9, [CoreDNS](https://coredns.io) is available as an alpha feature, and
in Kubernetes 1.10 it is available as a beta feature. In either case, you may install

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@xiangpengzhao

xiangpengzhao Mar 6, 2018

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If this is beta in 1.10, should we set the default of this feature gate to be true? cc @luxas

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@fturib

fturib Mar 6, 2018

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Question was raised during one of the Network SIG, and the decision was that CoreDNS will be default when going GA. That means for v1.11.

NOTE: I think that before releasing with CoreDNS as default, it would be good to see the impact of this change against all the e2e tests that are based on kubeadm.

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@johnbelamaric

johnbelamaric Mar 6, 2018

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Exactly. Unlike beta features that are driven by the API and therefore only in effect if the user accesses that API, this feature replaces an existing component when enabled. So, defaulting it to true would be essentially promoting it to GA.

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@xiangpengzhao

xiangpengzhao Mar 7, 2018

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This makes sense. Totally agreed. 👍

steveperry-53 added a commit that referenced this pull request Mar 27, 2018

Merge 1.10 to master for release (#7861)
* 1.10 update (#7151)

* Fix partition value expected behaviour explanation (#7123)

Fixes issue #7057

* Correct "On-Premise" to "On-Premises"

* Updates the Calico installation page (#7094)

* All files for Haufe Groups case study (#7051)

* Fix typo (#7127)

* fix typo of device-plugins.md (#7106)

* fix broken links (#7136)

* Updated configure-service-account (#7147)

Error from server resolved by escaping kubectl patch serviceaccount default -p '{"imagePullSecrets": [{"name": "myregistrykey"}]}' JSON string by '\'

* Remove docs related to 'require-kubeconfig' (#7138)

With kubernetes/kubernetes#58367 merged, v1.10 will not use the
"require-kubeconfig" flag. The flag has become a no-op solely to ensure
existing deployments won't break.

* Added Verification Scenario for a Pod that Uses a PVC in Terminating State (#7164)

The below PR:
kubernetes/kubernetes#55873
modified scheduler in such a way that scheduling of a pod that uses a PVC in Terminating state fails.

That's why verification of such scenario was added to documentation.

* fix LimitPodHardAntiAffinityTopology name (#7221)

* Document the removal of the KubeletConfigFile feature gate (#7140)

With kubernetes/kubernetes#58978 merged, the said feature gate is
removed. This PR removes texts related to the gate and revises the
Feature Gates reference to reflect this change.

* deprecate three admission controller (#7363)

* Document the removal of Accelerators feature gate (#7389)

The `Accelerators` feature gate will be removed in 1.11. 1.10 will be
its last mile.
References: kubernetes/kubernetes#57384

* Update local storage docs for beta (#7473)

* Document that HugePages feature gate is Beta (#7387)

The `HugePages` feature gate has graduated to Beta in v1.10. This PR
documents this fact.

* Add HyperVContainer feature gates (#7502)

* Remove the beta reference from Taints and Tolerations doc (#7493)

* Kms provider doc (#7479)

* Kms provider doc

* issue# 7399, Create KMS-provider.md and update encrypt-data.md

* address review comments

* Document that Device Plugin feature is Beta (1.10) (#7512)

* Add docs for CRD features for 1.10 (#7439)

* Add docs for CRD features for 1.10

* Add CustomResourcesSubresources to list of feature gates

* Add latest changes to custom resources doc

* Add crds as abbreviated alias (#7437)

* Bring PVC Protection Feature to Beta (#7165)

* Bring PVC Protection Feature to Beta

The PR: kubernetes/kubernetes#59052
brought PVC Protection feature to beta.

That's why the documentation is updated accordingly.

* The PVC Protection feature was renamed to Storage Protection. That's why the documentation is updated.

* promote PodNodeSelector to stable; document detailed behavior (#7134)

* promote PodNodeSelector to stable; document detailed behavior

* respond to feedback

* Update CPU manager feature enabling (#7390)

With `CPUManager` feature graduating to beta. No explicit enabling is
required starting v1.10.
References: kubernetes/kubernetes#55977

* Adding block volumeMode documentation for local volumes. (#7531)

Code review comments.

Changed property to field.

Address tech review comment.

* remove description kubectl --show-all (#7574)

--show-all has been deprecated and set to true by default.
kubernetes/kubernetes#60210

* fix description about contribute style guide (#7592)

* fix description about KUBECONFIG (#7589)

s/envrionment/environment

* fix description about cni (#7588)

s/simultanously/simultaneously/

* fix description about MutatingAdmissionWebhook and ValidatingAdmissionWebhook (#7587)

* fix description about persistent volume binding (#7590)

s/slighty/slightly/

* Doc change for configurable pod resolv.conf Beta (#7611)

* fix description about out of resource handling (#7597)

s/threshhold/threshold

* fix description about zookeeper (#7598)

s/achive/achieve

* fix description about kubeadm (#7594)

s/compatability/compatibility/

* fix description about kubeadm (#7593)

* fix description about kubeadm implementation details (#7595)

* fix description about api concepts (#7596)

* Storage Protection was renamed to Storage Object in Use Protection (#7576)

* Storage Protection was renamed to Storage Object in Use Protection

The K8s PR: kubernetes/kubernetes#59901
renamed Storage Protection to Storage Object in Use Protection.

That's why the same is also renamed in the documentation.

* Moved Storage Object in Use Protection admission plugin description down according to alphabetic order.

* Use PSP from policy API group. (#7562)

* update kubeletconfig docs for v1.10, beta (#7561)

* Update port-forwarding docs (#7575)

* add pv protection description (#7620)

* fix description about client library (#7634)

* Add docs on configuring NodePort IP (#7631)

* Document that LocalStorageCapacityIsolation is beta (#7635)

A follow-up to the kubernetes/kubernetes#60159 change which has promoted
the `LocalStorageCapacityIsolation` feature gate to Beta.

* Update CoreDNS docs for beta (#7638)

* Update CoreDNS docs for beta

* Review comments

* Fix typo (#7640)

* Update feature gates move to beta (#7662)

* Added the inability to use colon ':' character as environment variable names and described workaround (#7657)

* merge master to 1.10, with fixes (#7682)

* Flag names changed (s/admission-control/enable-admission-plugins); disable-admissions-plugin entry added; removed reference to admission controller/plugins requiring set order (for v1.10), redundant example enabling specific plugin, and redundant version-specific info (#7449)

* Documentation for MountPropagation beta (#7655)

* Remove job's scale-related operations (#7684)

* authentication: document client-go exec plugins (#7648)

* authentication: document client-go exec plugins

* Update authentication.md

* Update local ephemeral storage feature to beta (#7685)

Update local ephemeral storage feature to beta

* Update docs for windows container resources (#7653)

* add server-side print docs (#7671)

* Create a task describing Pod process namespace sharing (#7489)

* Add external metrics to HPA docs (#7664)

* Add external metrics to HPA docs

* Update horizontal-pod-autoscale-walkthrough.md

* Apply review comments to HPA walkthrough

* remove description about "scale jobs" (#7712)

* CSI Docs for K8s v1.10 (#7698)

* Add a warning about increased memory consumption for audit logging feature. (#7725)

Signed-off-by: Mik Vyatskov <vmik@google.com>

* Update Audit Logging documentation for 1.10 (#7679)

Signed-off-by: Mik Vyatskov <vmik@google.com>

* Fix stage names in audit logging documentation (#7746)

Signed-off-by: Mik Vyatskov <vmik@google.com>

* Feature gate update for release 1.10 (#7742)

* State in the docs that the value of default Node labels are not reliable. (#7794)

* Kill the reference to --admission-control option (#7755)

The `--admission-control` option has been replaced by two new options in
v1.10. This PR kills the last appearance of the old option in the doc.

* Pvcprotection toc (#7807)

* Refreshing installation instructions (#7495)

* Refreshing installation instructions

Added conjure-up. Updated displays and juju versions to current versions.

* Updated anchors

* Fixed image value version typo (#7768)

Was inconsistent with other values

* Update flocker reference to the github repo (#7784)

* Fix typo in federation document (#7779)

* an user -> a user (#7778)

* Events are namespaced (#7767)

* fix 'monitoring' link lose efficacy problem' (#7764)

* docs/concepts/policy/pod-security-policy.md: minor fix. (#7659)

* Update downward-api-volume-expose-pod-information.md (#7771)

* Update downward-api-volume-expose-pod-information.md

The pod spec puts the downward api files into /etc/podinfo, not directly in /etc. Updated docs to reflect this fact.

* Update downward-api-volume-expose-pod-information.md

One more spot needed fixing.

* Update downward-api-volume-expose-pod-information.md

Yet another fix, in the container example.

* Add Amadeus Case Study (#7783)

* Add Amadeus Case Study

* add Amadeus logo

* Fixed Cyrillic с in 'kube-proxy-cm' (#7787)

There was a typo (wrong character) in kube-proxy-cm.yaml - Cyrillic с (UTF-8 0x0441) was used instead of Latin c.

* install-kubectl: choose one installation method (#7705)

The previous text layout suggested that all installations had to be done, one after another.

* Update install-kubeadm.md (#7781)

Add note to kubeadm install instruction to help install in other arch i.e. aarch64, ppc64le etc.

* repair failure link (#7788)

* repair failure link

* repair failure link

* do change as required

* Update k8s201.md (#7777)

* Update k8s201.md

Change instructions to download yams files directly from the website (as used in other pages.)

Added instructions to delete labeled pod to avoid warnings in the subsequent deployment step.

* Update k8s201.md

Added example of using the exposed host from the a node running Kubernetes. (This works on AWS with Weave; not able to test it on other variations...)

* Gramatical fix to kompose introduction (#7792)

The original wording didn't through very well. As much of the original sentence has been preserved as possible, primarily to ensure the kompose web address is see both in text and as a href link.

* update amadeus.html (#7800)

* Fix a missing word in endpoint reconciler section (#7804)

* add toc entry for pvcprotection downgrade issue doc

* Pvcprotection toc (#7809)

* Refreshing installation instructions (#7495)

* Refreshing installation instructions

Added conjure-up. Updated displays and juju versions to current versions.

* Updated anchors

* Fixed image value version typo (#7768)

Was inconsistent with other values

* Update flocker reference to the github repo (#7784)

* Fix typo in federation document (#7779)

* an user -> a user (#7778)

* Events are namespaced (#7767)

* fix 'monitoring' link lose efficacy problem' (#7764)

* docs/concepts/policy/pod-security-policy.md: minor fix. (#7659)

* Update downward-api-volume-expose-pod-information.md (#7771)

* Update downward-api-volume-expose-pod-information.md

The pod spec puts the downward api files into /etc/podinfo, not directly in /etc. Updated docs to reflect this fact.

* Update downward-api-volume-expose-pod-information.md

One more spot needed fixing.

* Update downward-api-volume-expose-pod-information.md

Yet another fix, in the container example.

* Add Amadeus Case Study (#7783)

* Add Amadeus Case Study

* add Amadeus logo

* Fixed Cyrillic с in 'kube-proxy-cm' (#7787)

There was a typo (wrong character) in kube-proxy-cm.yaml - Cyrillic с (UTF-8 0x0441) was used instead of Latin c.

* install-kubectl: choose one installation method (#7705)

The previous text layout suggested that all installations had to be done, one after another.

* Update install-kubeadm.md (#7781)

Add note to kubeadm install instruction to help install in other arch i.e. aarch64, ppc64le etc.

* repair failure link (#7788)

* repair failure link

* repair failure link

* do change as required

* Update k8s201.md (#7777)

* Update k8s201.md

Change instructions to download yams files directly from the website (as used in other pages.)

Added instructions to delete labeled pod to avoid warnings in the subsequent deployment step.

* Update k8s201.md

Added example of using the exposed host from the a node running Kubernetes. (This works on AWS with Weave; not able to test it on other variations...)

* Gramatical fix to kompose introduction (#7792)

The original wording didn't through very well. As much of the original sentence has been preserved as possible, primarily to ensure the kompose web address is see both in text and as a href link.

* update amadeus.html (#7800)

* Fix a missing word in endpoint reconciler section (#7804)

* add toc entry for pvcprotection downgrade issue doc

* revert TOC change

* Release 1.10 (#7818)

* Refreshing installation instructions (#7495)

* Refreshing installation instructions

Added conjure-up. Updated displays and juju versions to current versions.

* Updated anchors

* Fixed image value version typo (#7768)

Was inconsistent with other values

* Update flocker reference to the github repo (#7784)

* Fix typo in federation document (#7779)

* an user -> a user (#7778)

* Events are namespaced (#7767)

* fix 'monitoring' link lose efficacy problem' (#7764)

* docs/concepts/policy/pod-security-policy.md: minor fix. (#7659)

* Update downward-api-volume-expose-pod-information.md (#7771)

* Update downward-api-volume-expose-pod-information.md

The pod spec puts the downward api files into /etc/podinfo, not directly in /etc. Updated docs to reflect this fact.

* Update downward-api-volume-expose-pod-information.md

One more spot needed fixing.

* Update downward-api-volume-expose-pod-information.md

Yet another fix, in the container example.

* Add Amadeus Case Study (#7783)

* Add Amadeus Case Study

* add Amadeus logo

* Fixed Cyrillic с in 'kube-proxy-cm' (#7787)

There was a typo (wrong character) in kube-proxy-cm.yaml - Cyrillic с (UTF-8 0x0441) was used instead of Latin c.

* install-kubectl: choose one installation method (#7705)

The previous text layout suggested that all installations had to be done, one after another.

* Update install-kubeadm.md (#7781)

Add note to kubeadm install instruction to help install in other arch i.e. aarch64, ppc64le etc.

* repair failure link (#7788)

* repair failure link

* repair failure link

* do change as required

* Update k8s201.md (#7777)

* Update k8s201.md

Change instructions to download yams files directly from the website (as used in other pages.)

Added instructions to delete labeled pod to avoid warnings in the subsequent deployment step.

* Update k8s201.md

Added example of using the exposed host from the a node running Kubernetes. (This works on AWS with Weave; not able to test it on other variations...)

* Gramatical fix to kompose introduction (#7792)

The original wording didn't through very well. As much of the original sentence has been preserved as possible, primarily to ensure the kompose web address is see both in text and as a href link.

* update amadeus.html (#7800)

* Fix a missing word in endpoint reconciler section (#7804)

* Partners page updates (#7802)

* Partners page updates

* Update to ZTE link

* Make using sysctls a task instead of a concept (#6808)

Closes: #4505

* add a note when mount a configmap to pod (#7745)

* adjust a note format (#7812)

* Update docker-cli-to-kubectl.md (#7748)

* Update docker-cli-to-kubectl.md

Edited the document for adherence to the style guide and word usage.

* Update docker-cli-to-kubectl.md

* Incorporated the changes suggested.

* Mount propagation update to include docker config (#7854)

* update overridden config for 1.10 (#7847)

* update overridden config for 1.10

* fix config file per comments

* Update Extended Resource doc wrt cluster-level resources (#7759)
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