1KUBERNETES(1) Jan 2015 KUBERNETES(1)
2
6 kubectl attach - Attach to a running container
7
11 kubectl attach [OPTIONS]
12
16 Attach to a process that is already running inside an existing con‐
17 tainer.
18
22 -c, --container=""
23 Container name. If omitted, the first container in the pod will be
24 chosen
25 --pod-running-timeout=1m0s
28 The length of time (like 5s, 2m, or 3h, higher than zero) to wait
29 until at least one pod is running
30 -i, --stdin=false
33 Pass stdin to the container
34 -t, --tty=false
37 Stdin is a TTY
38
42 --allow-verification-with-non-compliant-keys=false
43 Allow a SignatureVerifier to use keys which are technically
44 non-compliant with RFC6962.
45 --alsologtostderr=false
48 log to standard error as well as files
49 --application-metrics-count-limit=100
52 Max number of application metrics to store (per container)
53 --as=""
56 Username to impersonate for the operation
57 --as-group=[]
60 Group to impersonate for the operation, this flag can be repeated
61 to specify multiple groups.
62 --azure-container-registry-config=""
65 Path to the file containing Azure container registry configuration
66 information.
67 --boot-id-file="/proc/sys/kernel/random/boot_id"
70 Comma-separated list of files to check for boot-id. Use the first
71 one that exists.
72 --cache-dir="/builddir/.kube/http-cache"
75 Default HTTP cache directory
76 --certificate-authority=""
79 Path to a cert file for the certificate authority
80 --client-certificate=""
83 Path to a client certificate file for TLS
84 --client-key=""
87 Path to a client key file for TLS
88 --cloud-provider-gce-lb-src-cidrs=130.211.0.0/22,209.85.152.0/22,209.85.204.0/22,35.191.0.0/16
91 CIDRs opened in GCE firewall for LB traffic proxy health checks
92 --cluster=""
95 The name of the kubeconfig cluster to use
96 --container-hints="/etc/cadvisor/container_hints.json"
99 location of the container hints file
100 --containerd="unix:///var/run/containerd.sock"
103 containerd endpoint
104 --context=""
107 The name of the kubeconfig context to use
108 --default-not-ready-toleration-seconds=300
111 Indicates the tolerationSeconds of the toleration for
112 notReady:NoExecute that is added by default to every pod that does not
113 already have such a toleration.
114 --default-unreachable-toleration-seconds=300
117 Indicates the tolerationSeconds of the toleration for unreach‐
118 able:NoExecute that is added by default to every pod that does not
119 already have such a toleration.
120 --docker="unix:///var/run/docker.sock"
123 docker endpoint
124 --docker-env-metadata-whitelist=""
127 a comma-separated list of environment variable keys that needs to
128 be collected for docker containers
129 --docker-only=false
132 Only report docker containers in addition to root stats
133 --docker-root="/var/lib/docker"
136 DEPRECATED: docker root is read from docker info (this is a fall‐
137 back, default: /var/lib/docker)
138 --docker-tls=false
141 use TLS to connect to docker
142 --docker-tls-ca="ca.pem"
145 path to trusted CA
146 --docker-tls-cert="cert.pem"
149 path to client certificate
150 --docker-tls-key="key.pem"
153 path to private key
154 --enable-load-reader=false
157 Whether to enable cpu load reader
158 --event-storage-age-limit="default=0"
161 Max length of time for which to store events (per type). Value is a
162 comma separated list of key values, where the keys are event types
163 (e.g.: creation, oom) or "default" and the value is a duration. Default
164 is applied to all non-specified event types
165 --event-storage-event-limit="default=0"
168 Max number of events to store (per type). Value is a comma sepa‐
169 rated list of key values, where the keys are event types (e.g.: cre‐
170 ation, oom) or "default" and the value is an integer. Default is
171 applied to all non-specified event types
172 --global-housekeeping-interval=1m0s
175 Interval between global housekeepings
176 --google-json-key=""
179 The Google Cloud Platform Service Account JSON Key to use for
180 authentication.
181 --housekeeping-interval=10s
184 Interval between container housekeepings
185 --insecure-skip-tls-verify=false
188 If true, the server's certificate will not be checked for validity.
189 This will make your HTTPS connections insecure
190 --kubeconfig=""
193 Path to the kubeconfig file to use for CLI requests.
194 --log-backtrace-at=:0
197 when logging hits line file:N, emit a stack trace
198 --log-cadvisor-usage=false
201 Whether to log the usage of the cAdvisor container
202 --log-dir=""
205 If non-empty, write log files in this directory
206 --log-flush-frequency=5s
209 Maximum number of seconds between log flushes
210 --logtostderr=true
213 log to standard error instead of files
214 --machine-id-file="/etc/machine-id,/var/lib/dbus/machine-id"
217 Comma-separated list of files to check for machine-id. Use the
218 first one that exists.
219 --match-server-version=false
222 Require server version to match client version
223 --mesos-agent="127.0.0.1:5051"
226 Mesos agent address
227 --mesos-agent-timeout=10s
230 Mesos agent timeout
231 -n, --namespace=""
234 If present, the namespace scope for this CLI request
235 --request-timeout="0"
238 The length of time to wait before giving up on a single server
239 request. Non-zero values should contain a corresponding time unit (e.g.
240 1s, 2m, 3h). A value of zero means don't timeout requests.
241 -s, --server=""
244 The address and port of the Kubernetes API server
245 --stderrthreshold=2
248 logs at or above this threshold go to stderr
249 --storage-driver-buffer-duration=1m0s
252 Writes in the storage driver will be buffered for this duration,
253 and committed to the non memory backends as a single transaction
254 --storage-driver-db="cadvisor"
257 database name
258 --storage-driver-host="localhost:8086"
261 database host:port
262 --storage-driver-password="root"
265 database password
266 --storage-driver-secure=false
269 use secure connection with database
270 --storage-driver-table="stats"
273 table name
274 --storage-driver-user="root"
277 database username
278 --token=""
281 Bearer token for authentication to the API server
282 --user=""
285 The name of the kubeconfig user to use
286 -v, --v=0
289 log level for V logs
290 --version=false
293 Print version information and quit
294 --vmodule=
297 comma-separated list of pattern=N settings for file-filtered log‐
298 ging
299
303 # Get output from running pod 123456-7890, using the first container by default
304 kubectl attach 123456-7890
305 # Get output from ruby-container from pod 123456-7890
307 kubectl attach 123456-7890 -c ruby-container
308 # Switch to raw terminal mode, sends stdin to 'bash' in ruby-container from pod 123456-7890
310 # and sends stdout/stderr from 'bash' back to the client
311 kubectl attach 123456-7890 -c ruby-container -i -t
312 # Get output from the first pod of a ReplicaSet named nginx
314 kubectl attach rs/nginx
315
320 kubectl(1),
321
325 January 2015, Originally compiled by Eric Paris (eparis at redhat dot
326 com) based on the kubernetes source material, but hopefully they have
327 been automatically generated since!
328Eric Paris kubernetes User Manuals KUBERNETES(1)