Release 1.8 (#5659)
* GC now supports non-core resources * Add two examples about how to analysis audits of kube-apiserver (#4264) * Deprecate system:nodes binding * [1.8] StatefulSet `initialized` annotation is now ignored. * inits the kubeadm upgrade docs addresses kubernetes/kubernetes.github.io/issues/4689 * adds kubeadm upgrade cmd to ToC addresses kubernetes/kubernetes.github.io/issues/4689 * add workload placement docs * ScaleIO - document udpate for 1.8 * Add documentation on storageClass.mountOptions and PV.mountOptions (#5254) * Add documentation on storageClass.mountOptions and PV.mountOptions * convert notes into callouts * Add docs for CustomResource validation add info about supported fields * advanced audit beta features (#5300) * Update job workload doc with backoff failure policy (#5319) Add to the Jobs documentation how to use the new backoffLimit field that limit the number of Pod failure before considering the Job as failed. * Documented additional AWS Service annotations (#4864) * Add device plugin doc under concepts/cluster-administration. (#5261) * Add device plugin doc under concepts/cluster-administration. * Update device-plugins.md * Update device-plugins.md Add meta description. Fix typo. Change bare metal deployment to manual deployment. * Update device-plugins.md Fix typo again. * Update page.version. (#5341) * Add documentation on storageClass.reclaimPolicy (#5171) * [Advanced audit] use new herf for audit-api (#5349) This tag contains all the changes in v1beta1 version. Update it now. * Added documentation around creating the InitializerConfiguration for the persistent volume label controller in the cloud-controller-manager (#5255) * Documentation for kubectl plugins (#5294) * Documentation for kubectl plugins * Update kubectl-plugins.md * Update kubectl-plugins.md * Updated CPU manager docs to match implementation. (#5332) * Noted limitation of alpha static cpumanager. * Updated CPU manager docs to match implementation. - Removed references to CPU pressure node condition and evictions. - Added note about new --cpu-manager-reconcile-period flag. - Added note about node allocatable requirements for static policy. - Noted limitation of alpha static cpumanager. * Move cpu-manager task link to rsc mgmt section. * init containers annotation removed in 1.8 (#5390) * Add documentation for TaintNodesByCondition (#5352) * Add documentation for TaintNodesByCondition * Update nodes.md * Update taint-and-toleration.md * Update daemonset.md * Update nodes.md * Update taint-and-toleration.md * Update daemonset.md * Fix deployments (#5421) * Document extended resources and OIR deprecation. (#5399) * Document extended resources and OIR deprecation. * Updated extended resources doc per reviews. * reverts extra spacing in _data/tasks.yml * addresses `kubeadm upgrade` review comments Feedback from @chenopis, @luxas, and @steveperry-53 addressed with this commit * HugePages documentation (#5419) * Update cpu-management-policies.md (#5407) Fixed the bad link. Modified "cpu" to "CPU". Added more 'yaml' as supplement. * Update RBAC docs for v1 (#5445) * Add user docs for pod priority and preemption (#5328) * Add user docs for pod priority and preemption * Update pod-priority-preemption.md * More updates * Update docs/admin/kubeadm.md for 1.8 (#5440) - Made a couple of minor wording changes (not strictly 1.8 related). - Did some reformatting (not strictly 1.8 related). - Updated references to the default token TTL (was infinite, now 24 hours). - Documented the new `--discovery-token-ca-cert-hash` and `--discovery-token-unsafe-skip-ca-verification` flags for `kubeadm join`. - Added references to the new `--discovery-token-ca-cert-hash` flag in all the default examples. - Added a new _Security model_ section that describes the security tradeoffs of the various discovery modes. - Documented the new `--groups` flag for `kubeadm token create`. - Added a note of caution under _Automating kubeadm_ that references the _Security model_ section. - Updated the component version table to drop 1.6 and add 1.8. - Update `_data/reference.yml` to try to get the sidebar fixed up and more consistent with `kubefed`. * Update StatefulSet Basics for 1.8 release (#5398) * addresses `kubeadm upgrade` review comments 2nd iteration review comments by @luxas * adds kubelet upgrade section to kubeadm upgrade * Fix a bulleted list on docs/admin/kubeadm.md. (#5458) I updated this doc yesterday and I was absolutely sure I fixed this, but I just saw that this commit got lost somehow. This was introduced recently in https://github.com/kubernetes/kubernetes.github.io/pull/5440. * Clarify the API to check for device plugins * Moving Flexvolume to separate out-of-tree section * addresses `kubeadm upgrade` review comments CC: @luxas * fixes kubeadm upgrade index * Update Stackdriver Logging documentation (#5495) * Re-update WordPress and MySQL PV doc to use apps/v1beta2 APIs (#5526) * Update statefulset concepts doc to use apps/v1beta2 APIs (#5420) * add document on kubectl's behavior regarding initializers (#5505) * Update docs/admin/kubeadm.md to cover self-hosting in 1.8. (#5497) This is a new beta feature in 1.8. * Update kubectl patch doc to use apps/v1beta2 APIs (#5422) * [1.8] Update "Run Applications" tasks to apps/v1beta2. (#5525) * Update replicated stateful application task for 1.8. * Update single instance stateful app task for 1.8. * Update stateless app task for 1.8. * Update kubectl patch task for 1.8. * fix the link of persistent storage (#5515) * update the admission-controllers.md index.md what-is-kubernetes.md link * fix the link of persistent storage * Add quota support for local ephemeral storage (#5493) * Add quota support for local ephemeral storage update the doc to this alpha feature * Update resource-quotas.md * Updated Deployments concepts doc (#5491) * Updated Deployments concepts doc * Addressed comments * Addressed more comments * Modify allocatable storage to ephemeral-storage (#5490) Update the doc to use ephemeral-storage instead of storage * Revamped concepts doc for ReplicaSet (#5463) * Revamped concepts doc for ReplicaSet * Minor changes to call out specific versions for selector defaulting and immutability * Addressed doc review comments * Remove petset documentations (#5395) * Update docs to use batch/v1beta1 cronjobs (#5475) * add federation job doc (#5485) * add federation job doc * Update job.md Edits for clarity and consistency * Update job.md Fixed a typo * update DaemonSet concept for 1.8 release (#5397) * update DaemonSet concept for 1.8 release * Update daemonset.md Fix typo. than -> then * Update bootstrap tokens doc for 1.8. (#5479) * Update bootstrap tokens doc for 1.8. This has some changes I missed when I was updating the main kubeadm documention: - Bootstrap tokens are now beta, not alpha (https://github.com/kubernetes/features/issues/130) - The apiserver flag to enable the authenticator changedin 1.8 (https://github.com/kubernetes/kubernetes/pull/51198) - Added `auth-extra-groups` documentaion (https://github.com/kubernetes/kubernetes/pull/50933) - Updated the _Token Management with `kubeadm`_ section to link to the main kubeadm docs, since it was just duplicated information. * Update bootstrap-tokens.md * Updated the Cassandra tutorial to use apps/v1beta2 (#5548) * add docs for AllowPrivilegeEscalation (#5448) Signed-off-by: Jess Frazelle <acidburn@microsoft.com> * Add local ephemeral storage alpha feature in managing compute resource (#5522) * Add local ephemeral storage alpha feature in managing compute resource Since 1.8, we add the local ephemeral storage alpha feature as one resource type to manage. Add this feature into the doc. * Update manage-compute-resources-container.md * Update manage-compute-resources-container.md * Update manage-compute-resources-container.md * Update manage-compute-resources-container.md * Update manage-compute-resources-container.md * Update manage-compute-resources-container.md * Added documentation for Metrics Server (#5560) * authorization: improve authorization debugging docs (#5549) * Document mount propagation (#5544) * Update /docs/setup/independent/create-cluster-kubeadm.md for 1.8. (#5524) This introduction needed a couple of small tweaks to cover the `--discovery-token-ca-cert-hash` flag added in https://github.com/kubernetes/kubernetes/pull/49520 and some version bumps. * Add task doc for alpha dynamic kubelet configuration (#5523) * Fix input/output of selfsubjectaccess review (#5593) * Add docs for implementing resize (#5528) * Add docs for implementing resize * Update admission-controllers.md * Added link to PVC section * minor typo fixes * Update NetworkPolicy concept guide with egress and CIDR changes (#5529) * update zookeeper tutorial for 1.8 release * add doc for hostpath type (#5503) * Federated Hpa feature doc (#5487) * Federated Hpa feature doc * Federated Hpa feature doc review fixes * Update hpa.md * Update hpa.md * update cloud controller manager docs for v1.8 * Update cronjob with defaults information (#5556) * Kubernetes 1.8 reference docs (#5632) * Kubernetes 1.8 reference docs * Kubectl reference docs for 1.8 * Update side bar with 1.8 kubectl and api ref docs links * remove petset.md * update on state of HostAlias in 1.8 with hostNetwork Pod support (#5644) * Fix cron job deletion section (#5655) * update imported docs (#5656) * Add documentation for certificate rotation. (#5639) * Link to using kubeadm page * fix the command output fix the command output * fix typo in api/resources reference: "Worloads" * Add documentation for certificate rotation. * Create TOC entry for cloud controller manager. (#5662) * Updates for new versions of API types * Followup 5655: fix link to garbage collection (#5666) * Temporarily redirect resources-reference to api-reference. (#5668) * Update config for 1.8 release. (#5661) * Update config for 1.8 release. * Address reviewer comments. * Switch references in HPA docs from alpha to beta (#5671) The HPA docs still referenced the alpha version. This switches them to talk about v2beta1, which is the appropriate version for Kubernetes 1.8 * Deprecate openstack heat (#5670) * Fix typo in pod preset conflict example Move container port definition to the correct line. * Highlight openstack-heat provider deprecation The openstack-heat provider for kube-up is being deprecated and will be removed in a future release. * Temporarily fix broken links by redirecting. (#5672) * Fix broken links. (#5675) * Fix render of code block (#5674) * Fix broken links. (#5677) * Add a small note about auto-bootstrapped CSR ClusterRoles (#5660) * Update kubeadm install doc for v1.8 (#5676) * add draft workloads api content for 1.8 (#5650) * add draft workloads api content for 1.8 * edits per review, add tables, for 1.8 workloads api doc * fix typo * Minor fixes to kubeadm 1.8 upgrade guide. (#5678) - The kubelet upgrade instructions should be done on every host, not just worker nodes. - We should just upgrade all packages, instead of calling out kubelet specifically. This will also upgrade kubectl, kubeadm, and kubernetes-cni, if installed. - Draining nodes should also ignore daemonsets, and master errors can be ignored. - Make sure that the new kubeadm download is chmoded correctly. - Add a step to run `kubeadm version` to verify after downloading. - Manually approve new kubelet CSRs if rotation is enabled (known issue). * Release 1.8 (#5680) * Fix versions for 1.8 API ref docs * Updates for 1.8 kubectl reference docs * Kubeadm /docs/admin/kubeadm.md cleanup, editing. (#5681) * Update docs/admin/kubeadm.md (mostly 1.8 related). This is Fabrizio's work, which I'm committing along with my edits (in a commit on top of this). * A few of my own edits to clarify and clean up some Markdown.
This commit is contained in:
Steve Perry
@@ -42,17 +42,16 @@ complete clusters:
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||||
|--------|---------------
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| Command line UX | beta
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| Config file | alpha
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| Selfhosting | alpha
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| Self-hosting | alpha
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| `kubeadm alpha` commands | alpha
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| Implementation | alpha
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| Implementation | beta
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The experience for the command line is currently in beta and we are trying hard
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not to change command line flags and break that flow. Other parts of the
|
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experience are still under active development. Specifically, kubeadm relies on
|
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some features (bootstrap tokens, cluster signing), that are still considered
|
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alpha. The implementation may change as the tool evolves to support even easier
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upgrades and high availability (HA). Any commands under `kubeadm alpha` (not
|
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documented here) are, of course, alpha.
|
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experience are still under active development. The implementation may change
|
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slightly as the tool evolves to support even easier upgrades and high
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availability (HA). Any commands under `kubeadm alpha` (not documented here)
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are, of course, alpha.
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|
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**Be sure to read the [limitations](#limitations)**. Specifically, configuring
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cloud providers is difficult.
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@@ -129,28 +128,38 @@ The output should look like:
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|
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```
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[kubeadm] WARNING: kubeadm is in beta, please do not use it for production clusters.
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[init] Using Kubernetes version: v1.7.0
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[init] Using Kubernetes version: v1.8.0
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[init] Using Authorization modes: [Node RBAC]
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[preflight] Running pre-flight checks
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[preflight] Starting the kubelet service
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[certificates] Generated CA certificate and key.
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[certificates] Generated API server certificate and key.
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[certificates] API Server serving cert is signed for DNS names [kubeadm-master kubernetes kubernetes.default kubernetes.default.svc kubernetes.default.svc.cluster.local] and IPs [10.96.0.1 10.138.0.4]
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[certificates] Generated API server kubelet client certificate and key.
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[certificates] Generated service account token signing key and public key.
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[certificates] Generated front-proxy CA certificate and key.
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[certificates] Generated front-proxy client certificate and key.
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[kubeadm] WARNING: starting in 1.8, tokens expire after 24 hours by default (if you require a non-expiring token use --token-ttl 0)
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[certificates] Generated ca certificate and key.
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[certificates] Generated apiserver certificate and key.
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[certificates] apiserver serving cert is signed for DNS names [kubeadm-master kubernetes kubernetes.default kubernetes.default.svc kubernetes.default.svc.cluster.local] and IPs [10.96.0.1 10.138.0.4]
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[certificates] Generated apiserver-kubelet-client certificate and key.
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[certificates] Generated sa key and public key.
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[certificates] Generated front-proxy-ca certificate and key.
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[certificates] Generated front-proxy-client certificate and key.
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[certificates] Valid certificates and keys now exist in "/etc/kubernetes/pki"
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[kubeconfig] Wrote KubeConfig file to disk: "/etc/kubernetes/admin.conf"
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[kubeconfig] Wrote KubeConfig file to disk: "/etc/kubernetes/kubelet.conf"
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[kubeconfig] Wrote KubeConfig file to disk: "/etc/kubernetes/controller-manager.conf"
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[kubeconfig] Wrote KubeConfig file to disk: "/etc/kubernetes/scheduler.conf"
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[apiclient] Created API client, waiting for the control plane to become ready
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[apiclient] All control plane components are healthy after 16.502136 seconds
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[token] Using token: <token>
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[apiconfig] Created RBAC rules
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[addons] Applied essential addon: kube-proxy
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[kubeconfig] Wrote KubeConfig file to disk: "admin.conf"
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[kubeconfig] Wrote KubeConfig file to disk: "kubelet.conf"
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[kubeconfig] Wrote KubeConfig file to disk: "controller-manager.conf"
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[kubeconfig] Wrote KubeConfig file to disk: "scheduler.conf"
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[controlplane] Wrote Static Pod manifest for component kube-apiserver to "/etc/kubernetes/manifests/kube-apiserver.yaml"
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[controlplane] Wrote Static Pod manifest for component kube-controller-manager to "/etc/kubernetes/manifests/kube-controller-manager.yaml"
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[controlplane] Wrote Static Pod manifest for component kube-scheduler to "/etc/kubernetes/manifests/kube-scheduler.yaml"
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[etcd] Wrote Static Pod manifest for a local etcd instance to "/etc/kubernetes/manifests/etcd.yaml"
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[init] Waiting for the kubelet to boot up the control plane as Static Pods from directory "/etc/kubernetes/manifests"
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[init] This often takes around a minute; or longer if the control plane images have to be pulled.
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[apiclient] All control plane components are healthy after 39.511972 seconds
|
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[uploadconfig] Storing the configuration used in ConfigMap "kubeadm-config" in the "kube-system" Namespace
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[markmaster] Will mark node master as master by adding a label and a taint
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[markmaster] Master master tainted and labelled with key/value: node-role.kubernetes.io/master=""
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[bootstraptoken] Using token: <token>
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[bootstraptoken] Configured RBAC rules to allow Node Bootstrap tokens to post CSRs in order for nodes to get long term certificate credentials
|
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[bootstraptoken] Configured RBAC rules to allow the csrapprover controller automatically approve CSRs from a Node Bootstrap Token
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[bootstraptoken] Creating the "cluster-info" ConfigMap in the "kube-public" namespace
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[addons] Applied essential addon: kube-dns
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[addons] Applied essential addon: kube-proxy
|
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|
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Your Kubernetes master has initialized successfully!
|
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|
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@@ -167,7 +176,7 @@ Run "kubectl apply -f [podnetwork].yaml" with one of the options listed at:
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You can now join any number of machines by running the following on each node
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as root:
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|
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kubeadm join --token <token> <master-ip>:<master-port>
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kubeadm join --token <token> <master-ip>:<master-port> --discovery-token-ca-cert-hash sha256:<hash>
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```
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|
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Make a record of the `kubeadm join` command that `kubeadm init` outputs. You
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@@ -330,7 +339,7 @@ The nodes are where your workloads (containers and pods, etc) run. To add new no
|
||||
* Run the command that was output by `kubeadm init`. For example:
|
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|
||||
``` bash
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kubeadm join --token <token> <master-ip>:<master-port>
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kubeadm join --token <token> <master-ip>:<master-port> --discovery-token-ca-cert-hash sha256:<hash>
|
||||
```
|
||||
|
||||
The output should look something like:
|
||||
@@ -340,13 +349,13 @@ The output should look something like:
|
||||
[preflight] Running pre-flight checks
|
||||
[discovery] Trying to connect to API Server "10.138.0.4:6443"
|
||||
[discovery] Created cluster-info discovery client, requesting info from "https://10.138.0.4:6443"
|
||||
[discovery] Cluster info signature and contents are valid, will use API Server "https://10.138.0.4:6443"
|
||||
[discovery] Requesting info from "https://10.138.0.4:6443" again to validate TLS against the pinned public key
|
||||
[discovery] Cluster info signature and contents are valid and TLS certificate validates against pinned roots, will use API Server "10.138.0.4:6443"
|
||||
[discovery] Successfully established connection with API Server "10.138.0.4:6443"
|
||||
[bootstrap] Detected server version: v1.7.0
|
||||
[bootstrap] Detected server version: v1.8.0
|
||||
[bootstrap] The server supports the Certificates API (certificates.k8s.io/v1beta1)
|
||||
[csr] Created API client to obtain unique certificate for this node, generating keys and certificate signing request
|
||||
[csr] Received signed certificate from the API server, generating KubeConfig...
|
||||
[kubeconfig] Wrote KubeConfig file to disk: "/etc/kubernetes/kubelet.conf"
|
||||
|
||||
Node join complete:
|
||||
* Certificate signing request sent to master and response
|
||||
@@ -454,8 +463,12 @@ appropriate arguments.
|
||||
|
||||
## Upgrading
|
||||
|
||||
Instructions for upgrading kubeadm clusters can be found
|
||||
[here](/docs/tasks/administer-cluster/kubeadm-upgrade-1-7/).
|
||||
Instructions for upgrading kubeadm clusters are available for:
|
||||
|
||||
* [1.6 to 1.7 upgrades](/docs/tasks/administer-cluster/kubeadm-upgrade-1-7/)
|
||||
* [1.7.x to 1.7.y upgrades](/docs/tasks/administer-cluster/kubeadm-upgrade-1-8/)
|
||||
* [1.7 to 1.8 upgrades](/docs/tasks/administer-cluster/kubeadm-upgrade-1-8/)
|
||||
* [1.8.x to 1.8.y upgrades](/docs/tasks/administer-cluster/kubeadm-upgrade-1-8/)
|
||||
|
||||
## Explore other add-ons
|
||||
|
||||
@@ -489,8 +502,8 @@ kubeadm CLI vX.Y can also upgrade an existing kubeadm-created cluster of version
|
||||
|
||||
Due to that we can't see into the future, kubeadm CLI vX.Y may or may not be able to deploy vX.(Y+1) clusters.
|
||||
|
||||
Example: kubeadm v1.7 can deploy both v1.6 and v1.7 clusters and upgrade v1.6 kubeadm-created clusters to
|
||||
v1.7.
|
||||
Example: kubeadm v1.8 can deploy both v1.7 and v1.8 clusters and upgrade v1.7 kubeadm-created clusters to
|
||||
v1.8.
|
||||
|
||||
## kubeadm is multi-platform {#multi-platform}
|
||||
|
||||
|
||||
@@ -10,11 +10,12 @@ This page shows how to use install kubeadm.
|
||||
|
||||
{% capture prerequisites %}
|
||||
|
||||
* One or more machines running Ubuntu 16.04+, CentOS 7 or HypriotOS v1.0.1+
|
||||
* One or more machines running Ubuntu 16.04+, Debian 9, CentOS 7, RHEL 7, Fedora 25/26 (best-effort) or HypriotOS v1.0.1+
|
||||
* 1GB or more of RAM per machine (any less will leave little room for your apps)
|
||||
* Full network connectivity between all machines in the cluster (public or private network is fine)
|
||||
* Unique MAC address and product_uuid for every node
|
||||
* Certain ports are open on your machines. See the section below for more details
|
||||
* Swap disabled. You must disable swap in order for the kubelet to work properly.
|
||||
|
||||
{% endcapture %}
|
||||
|
||||
@@ -55,74 +56,112 @@ documentation for the plugins about what port(s) those need.
|
||||
## Installing Docker
|
||||
|
||||
On each of your machines, install Docker.
|
||||
Version 1.12 is recommended, but v1.10 and v1.11 are known to work as well.
|
||||
Versions 1.13 and 17.03+ have not yet been tested and verified by the Kubernetes node team.
|
||||
For installation instructions, see
|
||||
[Install Docker](https://docs.docker.com/engine/installation/).
|
||||
Version v1.12 is recommended, but v1.11, v1.13 and 17.03 are known to work as well.
|
||||
Versions 17.06+ _might work_, but have not yet been tested and verified by the Kubernetes node team.
|
||||
|
||||
## Installing kubectl
|
||||
You can use the following commands to install Docker on your system:
|
||||
|
||||
On each of your machines,
|
||||
[install kubectl](/docs/tasks/tools/install-kubectl/).
|
||||
You only need kubectl on the master and/or your workstation, but it can be
|
||||
useful to have on the other nodes as well.
|
||||
{% capture docker_ubuntu %}
|
||||
|
||||
## Installing kubelet and kubeadm
|
||||
Install Docker from Ubuntu's repositories:
|
||||
|
||||
```bash
|
||||
apt-get update
|
||||
apt-get install -y docker.io
|
||||
```
|
||||
|
||||
or install Docker CE 17.03 from Docker's repositories for Ubuntu or Debian:
|
||||
|
||||
```bash
|
||||
apt-get update && apt-get install -y curl apt-transport-https
|
||||
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
|
||||
cat <<EOF >/etc/apt/sources.list.d/docker.list
|
||||
deb https://download.docker.com/linux/$(lsb_release -si | tr '[:upper:]' '[:lower:]') $(lsb_release -cs) stable
|
||||
EOF
|
||||
apt-get update && apt-get install -y docker-ce=$(apt-cache madison docker-ce | grep 17.03 | head -1 | awk '{print $3}')
|
||||
```
|
||||
|
||||
{% endcapture %}
|
||||
|
||||
{% capture docker_centos %}
|
||||
|
||||
Install Docker using your operating system's bundled package:
|
||||
|
||||
```bash
|
||||
yum install -y docker
|
||||
systemctl enable docker && systemctl start docker
|
||||
```
|
||||
|
||||
{% endcapture %}
|
||||
|
||||
{% assign tab_set_name = "docker_install" %}
|
||||
{% assign tab_names = "Ubuntu, Debian or HypriotOS;CentOS, RHEL or Fedora" | split: ';' | compact %}
|
||||
{% assign tab_contents = site.emptyArray | push: docker_ubuntu | push: docker_centos %}
|
||||
|
||||
{% include tabs.md %}
|
||||
|
||||
## Installing kubeadm, kubelet and kubectl
|
||||
|
||||
You will install these packages on all of your machines:
|
||||
|
||||
* `kubeadm`: the command to bootstrap the cluster.
|
||||
|
||||
* `kubelet`: the component that runs on all of the machines in your cluster
|
||||
and does things like starting pods and containers.
|
||||
|
||||
* `kubeadm`: the command to bootstrap the cluster.
|
||||
* `kubectl`: the command line util to talk to your cluster.
|
||||
|
||||
**Note:** If you already have kubeadm installed, you should do a `apt-get update &&
|
||||
apt-get upgrade` or `yum update` to get the latest version of kubeadm. See the
|
||||
kubeadm release notes if you want to read about the different [kubeadm
|
||||
releases](https://github.com/kubernetes/kubeadm/blob/master/CHANGELOG.md).
|
||||
Please proceed with executing the following commands based on your OS as `root`.
|
||||
You may become the `root` user by executing `sudo -i` after SSH-ing to each host.
|
||||
|
||||
For each machine:
|
||||
{% capture ubuntu %}
|
||||
|
||||
* SSH into the machine and become root if you are not already (for example,
|
||||
run `sudo -i`).
|
||||
```bash
|
||||
apt-get update && apt-get install -y apt-transport-https
|
||||
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
|
||||
cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
|
||||
deb http://apt.kubernetes.io/ kubernetes-xenial main
|
||||
EOF
|
||||
apt-get update
|
||||
apt-get install -y kubelet kubeadm kubectl
|
||||
```
|
||||
|
||||
* If the machine is running Ubuntu or HypriotOS, run:
|
||||
{% endcapture %}
|
||||
|
||||
``` bash
|
||||
apt-get update && apt-get install -y apt-transport-https
|
||||
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
|
||||
cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
|
||||
deb http://apt.kubernetes.io/ kubernetes-xenial main
|
||||
EOF
|
||||
apt-get update
|
||||
apt-get install -y kubelet kubeadm
|
||||
```
|
||||
{% capture centos %}
|
||||
|
||||
* If the machine is running CentOS, run:
|
||||
```bash
|
||||
cat <<EOF > /etc/yum.repos.d/kubernetes.repo
|
||||
[kubernetes]
|
||||
name=Kubernetes
|
||||
baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
|
||||
enabled=1
|
||||
gpgcheck=1
|
||||
repo_gpgcheck=1
|
||||
gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg
|
||||
https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
|
||||
EOF
|
||||
setenforce 0
|
||||
yum install -y kubelet kubeadm kubectl
|
||||
systemctl enable kubelet && systemctl start kubelet
|
||||
```
|
||||
|
||||
``` bash
|
||||
cat <<EOF > /etc/yum.repos.d/kubernetes.repo
|
||||
[kubernetes]
|
||||
name=Kubernetes
|
||||
baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
|
||||
enabled=1
|
||||
gpgcheck=1
|
||||
repo_gpgcheck=1
|
||||
gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg
|
||||
https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
|
||||
EOF
|
||||
setenforce 0
|
||||
yum install -y kubelet kubeadm
|
||||
systemctl enable kubelet && systemctl start kubelet
|
||||
```
|
||||
**Note:** Disabling SELinux by running `setenforce 0` is required to allow
|
||||
containers to access the host filesystem, which is required for the `kubeadm init`
|
||||
process to complete successfully. You have to do this until SELinux support
|
||||
is improved.
|
||||
|
||||
{% endcapture %}
|
||||
|
||||
{% assign tab_set_name = "k8s_install" %}
|
||||
{% assign tab_names = "Ubuntu, Debian or HypriotOS;CentOS, RHEL or Fedora" | split: ';' | compact %}
|
||||
{% assign tab_contents = site.emptyArray | push: ubuntu | push: centos %}
|
||||
|
||||
{% include tabs.md %}
|
||||
|
||||
The kubelet is now restarting every few seconds, as it waits in a crashloop for
|
||||
kubeadm to tell it what to do.
|
||||
|
||||
**Note:** Disabling SELinux by running `setenforce 0` is required to allow
|
||||
containers to access the host filesystem, which is required by pod networks for
|
||||
example. You have to do this until SELinux support is improved in the kubelet.
|
||||
|
||||
{% endcapture %}
|
||||
|
||||
{% capture whatsnext %}
|
||||
|
||||
Reference in New Issue
Block a user