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 --alsologtostderr=false
43 log to standard error as well as files
44 --application-metrics-count-limit=100
47 Max number of application metrics to store (per container)
48 --as=""
51 Username to impersonate for the operation
52 --as-group=[]
55 Group to impersonate for the operation, this flag can be repeated
56 to specify multiple groups.
57 --azure-container-registry-config=""
60 Path to the file containing Azure container registry configuration
61 information.
62 --boot-id-file="/proc/sys/kernel/random/boot_id"
65 Comma-separated list of files to check for boot-id. Use the first
66 one that exists.
67 --cache-dir="/builddir/.kube/http-cache"
70 Default HTTP cache directory
71 --certificate-authority=""
74 Path to a cert file for the certificate authority
75 --client-certificate=""
78 Path to a client certificate file for TLS
79 --client-key=""
82 Path to a client key file for TLS
83 --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
86 CIDRs opened in GCE firewall for LB traffic proxy health checks
87 --cluster=""
90 The name of the kubeconfig cluster to use
91 --container-hints="/etc/cadvisor/container_hints.json"
94 location of the container hints file
95 --containerd="unix:///var/run/containerd.sock"
98 containerd endpoint
99 --context=""
102 The name of the kubeconfig context to use
103 --default-not-ready-toleration-seconds=300
106 Indicates the tolerationSeconds of the toleration for
107 notReady:NoExecute that is added by default to every pod that does not
108 already have such a toleration.
109 --default-unreachable-toleration-seconds=300
112 Indicates the tolerationSeconds of the toleration for unreach‐
113 able:NoExecute that is added by default to every pod that does not
114 already have such a toleration.
115 --docker="unix:///var/run/docker.sock"
118 docker endpoint
119 --docker-env-metadata-whitelist=""
122 a comma-separated list of environment variable keys that needs to
123 be collected for docker containers
124 --docker-only=false
127 Only report docker containers in addition to root stats
128 --docker-root="/var/lib/docker"
131 DEPRECATED: docker root is read from docker info (this is a fall‐
132 back, default: /var/lib/docker)
133 --docker-tls=false
136 use TLS to connect to docker
137 --docker-tls-ca="ca.pem"
140 path to trusted CA
141 --docker-tls-cert="cert.pem"
144 path to client certificate
145 --docker-tls-key="key.pem"
148 path to private key
149 --enable-load-reader=false
152 Whether to enable cpu load reader
153 --event-storage-age-limit="default=0"
156 Max length of time for which to store events (per type). Value is a
157 comma separated list of key values, where the keys are event types
158 (e.g.: creation, oom) or "default" and the value is a duration. Default
159 is applied to all non-specified event types
160 --event-storage-event-limit="default=0"
163 Max number of events to store (per type). Value is a comma sepa‐
164 rated list of key values, where the keys are event types (e.g.: cre‐
165 ation, oom) or "default" and the value is an integer. Default is
166 applied to all non-specified event types
167 --global-housekeeping-interval=1m0s
170 Interval between global housekeepings
171 --housekeeping-interval=10s
174 Interval between container housekeepings
175 --insecure-skip-tls-verify=false
178 If true, the server's certificate will not be checked for validity.
179 This will make your HTTPS connections insecure
180 --kubeconfig=""
183 Path to the kubeconfig file to use for CLI requests.
184 --log-backtrace-at=:0
187 when logging hits line file:N, emit a stack trace
188 --log-cadvisor-usage=false
191 Whether to log the usage of the cAdvisor container
192 --log-dir=""
195 If non-empty, write log files in this directory
196 --log-file=""
199 If non-empty, use this log file
200 --log-flush-frequency=5s
203 Maximum number of seconds between log flushes
204 --logtostderr=true
207 log to standard error instead of files
208 --machine-id-file="/etc/machine-id,/var/lib/dbus/machine-id"
211 Comma-separated list of files to check for machine-id. Use the
212 first one that exists.
213 --match-server-version=false
216 Require server version to match client version
217 --mesos-agent="127.0.0.1:5051"
220 Mesos agent address
221 --mesos-agent-timeout=10s
224 Mesos agent timeout
225 -n, --namespace=""
228 If present, the namespace scope for this CLI request
229 --password=""
232 Password for basic authentication to the API server
233 --profile="none"
236 Name of profile to capture. One of (none|cpu|heap|goroutine|thread‐
237 create|block|mutex)
238 --profile-output="profile.pprof"
241 Name of the file to write the profile to
242 --request-timeout="0"
245 The length of time to wait before giving up on a single server
246 request. Non-zero values should contain a corresponding time unit (e.g.
247 1s, 2m, 3h). A value of zero means don't timeout requests.
248 -s, --server=""
251 The address and port of the Kubernetes API server
252 --skip-headers=false
255 If true, avoid header prefixes in the log messages
256 --stderrthreshold=2
259 logs at or above this threshold go to stderr
260 --storage-driver-buffer-duration=1m0s
263 Writes in the storage driver will be buffered for this duration,
264 and committed to the non memory backends as a single transaction
265 --storage-driver-db="cadvisor"
268 database name
269 --storage-driver-host="localhost:8086"
272 database host:port
273 --storage-driver-password="root"
276 database password
277 --storage-driver-secure=false
280 use secure connection with database
281 --storage-driver-table="stats"
284 table name
285 --storage-driver-user="root"
288 database username
289 --token=""
292 Bearer token for authentication to the API server
293 --user=""
296 The name of the kubeconfig user to use
297 --username=""
300 Username for basic authentication to the API server
301 -v, --v=0
304 log level for V logs
305 --version=false
308 Print version information and quit
309 --vmodule=
312 comma-separated list of pattern=N settings for file-filtered log‐
313 ging
314
318 # Get output from running pod 123456-7890, using the first container by default
319 kubectl attach 123456-7890
320 # Get output from ruby-container from pod 123456-7890
322 kubectl attach 123456-7890 -c ruby-container
323 # Switch to raw terminal mode, sends stdin to 'bash' in ruby-container from pod 123456-7890
325 # and sends stdout/stderr from 'bash' back to the client
326 kubectl attach 123456-7890 -c ruby-container -i -t
327 # Get output from the first pod of a ReplicaSet named nginx
329 kubectl attach rs/nginx
330
335 kubectl(1),
336
340 January 2015, Originally compiled by Eric Paris (eparis at redhat dot
341 com) based on the kubernetes source material, but hopefully they have
342 been automatically generated since!
343Eric Paris kubernetes User Manuals KUBERNETES(1)