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Update CLI flags in node overview doc

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Kel Cecil 2015-07-08 10:54:48 -04:00
parent 6ca402b308
commit e72725cd70
1 changed files with 7 additions and 5 deletions
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docs/node.md
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@ -39,6 +39,7 @@ scheduling Pods. For a node to be considered a scheduling candidate, it
must have appropriate conditions, see below. must have appropriate conditions, see below.
### Node Condition ### Node Condition
Node Condition describes the conditions of `Running` nodes. (However, Node Condition describes the conditions of `Running` nodes. (However,
it can be present also when node status is different, e.g. `Unknown`) it can be present also when node status is different, e.g. `Unknown`)
Current valid condition is `Ready`. In the future, we plan to add more. Current valid condition is `Ready`. In the future, we plan to add more.
@ -61,8 +62,9 @@ Describes the resources available on the node: CPUs, memory and the maximum
number of pods that can be scheduled on this node. number of pods that can be scheduled on this node.
### Node Info ### Node Info
General information about the node, for instance kernel version, kubernetes version General information about the node, for instance kernel version, kubernetes version
(kubelet version, kube-proxy version), docker version (if used), OS name. (kubelet version, kube-proxy version), docker version (if used), OS name.
The information is gathered by Kubernetes from the node. The information is gathered by Kubernetes from the node.
## Node Management ## Node Management
@ -105,14 +107,14 @@ and single node life-cycle management.
Node controller has a sync loop that creates/deletes Nodes from Kubernetes Node controller has a sync loop that creates/deletes Nodes from Kubernetes
based on all matching VM instances listed from cloud provider. The sync period based on all matching VM instances listed from cloud provider. The sync period
can be controlled via flag `--node_sync_period`. If a new instance can be controlled via flag `--node-sync-period`. If a new instance
gets created, Node Controller creates a representation for it. If an existing gets created, Node Controller creates a representation for it. If an existing
instance gets deleted, Node Controller deletes the representation. Note however, instance gets deleted, Node Controller deletes the representation. Note however,
Node Controller is unable to provision the node for you, i.e. it won't install Node Controller is unable to provision the node for you, i.e. it won't install
any binary; therefore, to any binary; therefore, to
join Kubernetes cluster, you as an admin need to make sure proper services are join Kubernetes cluster, you as an admin need to make sure proper services are
running in the node. In the future, we plan to automatically provision some node running in the node. In the future, we plan to automatically provision some node
services. services.
### Self-Registration of nodes ### Self-Registration of nodes
@ -120,9 +122,9 @@ When kubelet flag `--register-node` is true (the default), then the kubelet will
register itself with the API server. This is the preferred pattern, used by most distros. register itself with the API server. This is the preferred pattern, used by most distros.
For self-registration, the kubelet is started with the following options: For self-registration, the kubelet is started with the following options:
- `--apiservers=` tells the kubelet the location of the apiserver. - `--api-servers=` tells the kubelet the location of the apiserver.
- `--kubeconfig` tells kubelet where to find credentials to authenticate itself to the apiserver. - `--kubeconfig` tells kubelet where to find credentials to authenticate itself to the apiserver.
- `--cloud_provider=` tells the kubelet how to talk to a cloud provider to read metadata about itself. - `--cloud-provider=` tells the kubelet how to talk to a cloud provider to read metadata about itself.
- `--register-node` tells the kubelet to create its own node resource. - `--register-node` tells the kubelet to create its own node resource.
Currently, any kubelet is authorized to create/modify any node resource, but in practice it only creates/modifies Currently, any kubelet is authorized to create/modify any node resource, but in practice it only creates/modifies