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kubernetes/docs/user-guide/kubectl/kubectl_proxy.md
Stef Walter f6da3fdbe1 kubectl: Add proxy --unix-socket=/file/path option 
Proxies on a TCP port are accessible outside the current security
context (eg: uid). Add support for having the proxy listen on a
unix socket, which has permissions applied to it.

We make sure the socket starts its life only accessible by the
current user using Umask.

This is useful for applications like Cockpit and other tools which
want the help of kubectl to handle authentication, configuration and
transport security, but also want to not make that accessible to
all users on a multi-user system.
2015-08-06 11:56:47 +02:00

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WARNING WARNING WARNING WARNING WARNING

PLEASE NOTE: This document applies to the HEAD of the source tree

If you are using a released version of Kubernetes, you should refer to the docs that go with that version.

The latest 1.0.x release of this document can be found [here](http://releases.k8s.io/release-1.0/docs/user-guide/kubectl/kubectl_proxy.md).

Documentation for other releases can be found at releases.k8s.io.

kubectl proxy

Run a proxy to the Kubernetes API server

Synopsis

To proxy all of the kubernetes api and nothing else, use:

kubectl proxy --api-prefix=/

To proxy only part of the kubernetes api and also some static files:

kubectl proxy --www=/my/files --www-prefix=/static/ --api-prefix=/api/

The above lets you 'curl localhost:8001/api/v1/pods'.

To proxy the entire kubernetes api at a different root, use:

kubectl proxy --api-prefix=/custom/

The above lets you 'curl localhost:8001/custom/api/v1/pods'

kubectl proxy [--port=PORT] [--www=static-dir] [--www-prefix=prefix] [--api-prefix=prefix]

Examples

// Run a proxy to kubernetes apiserver on port 8011, serving static content from ./local/www/
$ kubectl proxy --port=8011 --www=./local/www/

// Run a proxy to kubernetes apiserver on an arbitrary local port.
// The chosen port for the server will be output to stdout.
$ kubectl proxy --port=0

// Run a proxy to kubernetes apiserver, changing the api prefix to k8s-api
// This makes e.g. the pods api available at localhost:8011/k8s-api/v1/pods/
$ kubectl proxy --api-prefix=/k8s-api

Options

      --accept-hosts="^localhost$,^127\\.0\\.0\\.1$,^\\[::1\\]$": Regular expression for hosts that the proxy should accept.
      --accept-paths="^/.*": Regular expression for paths that the proxy should accept.
      --api-prefix="/api/": Prefix to serve the proxied API under.
      --disable-filter=false: If true, disable request filtering in the proxy. This is dangerous, and can leave you vulnerable to XSRF attacks, when used with an accessible port.
  -h, --help=false: help for proxy
  -p, --port=8001: The port on which to run the proxy. Set to 0 to pick a random port.
      --reject-methods="POST,PUT,PATCH": Regular expression for HTTP methods that the proxy should reject.
      --reject-paths="^/api/.*/exec,^/api/.*/run": Regular expression for paths that the proxy should reject.
  -u, --unix-socket="": Unix socket on which to run the proxy.
  -w, --www="": Also serve static files from the given directory under the specified prefix.
  -P, --www-prefix="/static/": Prefix to serve static files under, if static file directory is specified.

Options inherited from parent commands

      --alsologtostderr=false: log to standard error as well as files
      --api-version="": The API version to use when talking to the server
      --certificate-authority="": Path to a cert. file for the certificate authority.
      --client-certificate="": Path to a client key file for TLS.
      --client-key="": Path to a client key file for TLS.
      --cluster="": The name of the kubeconfig cluster to use
      --context="": The name of the kubeconfig context to use
      --insecure-skip-tls-verify=false: If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure.
      --kubeconfig="": Path to the kubeconfig file to use for CLI requests.
      --log-backtrace-at=:0: when logging hits line file:N, emit a stack trace
      --log-dir=: If non-empty, write log files in this directory
      --log-flush-frequency=5s: Maximum number of seconds between log flushes
      --logtostderr=true: log to standard error instead of files
      --match-server-version=false: Require server version to match client version
      --namespace="": If present, the namespace scope for this CLI request.
      --password="": Password for basic authentication to the API server.
  -s, --server="": The address and port of the Kubernetes API server
      --stderrthreshold=2: logs at or above this threshold go to stderr
      --token="": Bearer token for authentication to the API server.
      --user="": The name of the kubeconfig user to use
      --username="": Username for basic authentication to the API server.
      --v=0: log level for V logs
      --validate=false: If true, use a schema to validate the input before sending it
      --vmodule=: comma-separated list of pattern=N settings for file-filtered logging

SEE ALSO

  • kubectl - kubectl controls the Kubernetes cluster manager
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