kubectl attach

Synopsis

Attach to a process that is already running inside an existing container.

kubectl attach (POD | TYPE/NAME) -c CONTAINER

Examples

  # Get output from running pod mypod; use the 'kubectl.kubernetes.io/default-container' annotation
  # for selecting the container to be attached or the first container in the pod will be chosen
  kubectl attach mypod
  
  # Get output from ruby-container from pod mypod
  kubectl attach mypod -c ruby-container
  
  # Switch to raw terminal mode; sends stdin to 'bash' in ruby-container from pod mypod
  # and sends stdout/stderr from 'bash' back to the client
  kubectl attach mypod -c ruby-container -i -t
  
  # Get output from the first pod of a replica set named nginx
  kubectl attach rs/nginx

Options

-c, --container string

Container name. If omitted, use the kubectl.kubernetes.io/default-container annotation for selecting the container to be attached or the first container in the pod will be chosen

-h, --help

help for attach

--pod-running-timeout duration     Default: 1m0s

The length of time (like 5s, 2m, or 3h, higher than zero) to wait until at least one pod is running

-q, --quiet

Only print output from the remote session

-i, --stdin

Pass stdin to the container

-t, --tty

Stdin is a TTY

--as string

Username to impersonate for the operation. User could be a regular user or a service account in a namespace.

--as-group strings

Group to impersonate for the operation, this flag can be repeated to specify multiple groups.

--as-uid string

UID to impersonate for the operation.

--cache-dir string     Default: "$HOME/.kube/cache"

Default cache directory

--certificate-authority string

Path to a cert file for the certificate authority

--client-certificate string

Path to a client certificate file for TLS

--client-key string

Path to a client key file for TLS

--cluster string

The name of the kubeconfig cluster to use

--context string

The name of the kubeconfig context to use

--default-not-ready-toleration-seconds int     Default: 300

Indicates the tolerationSeconds of the toleration for notReady:NoExecute that is added by default to every pod that does not already have such a toleration.

--default-unreachable-toleration-seconds int     Default: 300

Indicates the tolerationSeconds of the toleration for unreachable:NoExecute that is added by default to every pod that does not already have such a toleration.

--disable-compression

If true, opt-out of response compression for all requests to the server

--insecure-skip-tls-verify

If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure

--kubeconfig string

Path to the kubeconfig file to use for CLI requests.

--match-server-version

Require server version to match client version

-n, --namespace string

If present, the namespace scope for this CLI request

--password string

Password for basic authentication to the API server

--profile string     Default: "none"

Name of profile to capture. One of (none|cpu|heap|goroutine|threadcreate|block|mutex)

--profile-output string     Default: "profile.pprof"

Name of the file to write the profile to

--request-timeout string     Default: "0"

The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests.

-s, --server string

The address and port of the Kubernetes API server

--storage-driver-buffer-duration duration     Default: 1m0s

Writes in the storage driver will be buffered for this duration, and committed to the non memory backends as a single transaction

--storage-driver-db string     Default: "cadvisor"

database name

--storage-driver-host string     Default: "localhost:8086"

database host:port

--storage-driver-password string     Default: "root"

database password

--storage-driver-secure

use secure connection with database

--storage-driver-table string     Default: "stats"

table name

--storage-driver-user string     Default: "root"

database username

--tls-server-name string

Server name to use for server certificate validation. If it is not provided, the hostname used to contact the server is used

--token string

Bearer token for authentication to the API server

--user string

The name of the kubeconfig user to use

--username string

Username for basic authentication to the API server

--version version[=true]

--version, --version=raw prints version information and quits; --version=vX.Y.Z... sets the reported version

--warnings-as-errors

Treat warnings received from the server as errors and exit with a non-zero exit code

See Also

  • kubectl - kubectl controls the Kubernetes cluster manager

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Last modified August 19, 2024 at 5:14 PM PST: Update kubectl reference for v1.31 (59df28c340)