1OC ADM(1) June 2016 OC ADM(1)
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6 oc adm manage-node - Manage nodes - list pods, evacuate, or mark ready
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11 oc adm manage-node [OPTIONS]
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16 Manage nodes
17 This command provides common operations on nodes for administrators.
20 schedulable: Marking node schedulable will allow pods to be schedulable
23 on the node and marking node unschedulable will block pods to be sched‐
24 uled on the node.
25 evacuate: Migrate all/selected pod on the provided nodes.
28 list-pods: List all/selected pods on given/selected nodes. It can list
31 the output in json/yaml format.
32
36 --allow-missing-template-keys=true
37 If true, ignore any errors in templates when a field or map key is
38 missing in the template. Only applies to golang and jsonpath output
39 formats.
40 --dry-run=false
43 Show pods that will be migrated. Optional param for --evacuate
44 --force=false
47 Delete pods not backed by replication controller. Optional param
48 for --evacuate
49 --grace-period=30
52 Grace period (seconds) for pods being deleted. Ignored if negative.
53 Optional param for --evacuate
54 --list-pods=false
57 List all/selected pods on the node. Printer flags --output, etc.
58 are only valid for this option.
59 --no-headers=false
62 When using the default or custom-column output format, don't print
63 headers (default print headers).
64 -o, --output=""
67 Output format. One of: json|yaml|wide|name|custom-columns=...|cus‐
68 tom-columns-file=...|go-template=...|go-template-file=...|json‐
69 path=...|jsonpath-file=... See custom columns [ ⟨http://kuber‐
70 netes.io/docs/user-guide/kubectl-overview/#custom-columns⟩], golang
71 template [ ⟨http://golang.org/pkg/text/template/#pkg-overview⟩] and
72 jsonpath template [ ⟨http://kubernetes.io/docs/user-guide/jsonpath⟩].
73 --pod-selector=""
76 Label selector to filter pods on the node. Optional param for
77 --evacuate or --list-pods
78 --schedulable=false
81 Control pod schedulability on the node.
82 --selector=""
85 Label selector to filter nodes. Either pass one/more nodes as argu‐
86 ments or use this node selector
87 --show-labels=false
90 When printing, show all labels as the last column (default hide
91 labels column)
92 --sort-by=""
95 If non-empty, sort list types using this field specification. The
96 field specification is expressed as a JSONPath expression (e.g.
97 '{.metadata.name}'). The field in the API resource specified by this
98 JSONPath expression must be an integer or a string.
99 --template=""
102 Template string or path to template file to use when -o=go-tem‐
103 plate, -o=go-template-file. The template format is golang templates [
104 ⟨http://golang.org/pkg/text/template/#pkg-overview⟩].
105
109 --allow_verification_with_non_compliant_keys=false
110 Allow a SignatureVerifier to use keys which are technically
111 non-compliant with RFC6962.
112 --alsologtostderr=false
115 log to standard error as well as files
116 --application_metrics_count_limit=100
119 Max number of application metrics to store (per container)
120 --as=""
123 Username to impersonate for the operation
124 --as-group=[]
127 Group to impersonate for the operation, this flag can be repeated
128 to specify multiple groups.
129 --azure-container-registry-config=""
132 Path to the file containing Azure container registry configuration
133 information.
134 --boot_id_file="/proc/sys/kernel/random/boot_id"
137 Comma-separated list of files to check for boot-id. Use the first
138 one that exists.
139 --cache-dir="/builddir/.kube/http-cache"
142 Default HTTP cache directory
143 --certificate-authority=""
146 Path to a cert file for the certificate authority
147 --client-certificate=""
150 Path to a client certificate file for TLS
151 --client-key=""
154 Path to a client key file for TLS
155 --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
158 CIDRs opened in GCE firewall for LB traffic proxy health checks
159 --cluster=""
162 The name of the kubeconfig cluster to use
163 --container_hints="/etc/cadvisor/container_hints.json"
166 location of the container hints file
167 --containerd="unix:///var/run/containerd.sock"
170 containerd endpoint
171 --context=""
174 The name of the kubeconfig context to use
175 --default-not-ready-toleration-seconds=300
178 Indicates the tolerationSeconds of the toleration for
179 notReady:NoExecute that is added by default to every pod that does not
180 already have such a toleration.
181 --default-unreachable-toleration-seconds=300
184 Indicates the tolerationSeconds of the toleration for unreach‐
185 able:NoExecute that is added by default to every pod that does not
186 already have such a toleration.
187 --docker="unix:///var/run/docker.sock"
190 docker endpoint
191 --docker-tls=false
194 use TLS to connect to docker
195 --docker-tls-ca="ca.pem"
198 path to trusted CA
199 --docker-tls-cert="cert.pem"
202 path to client certificate
203 --docker-tls-key="key.pem"
206 path to private key
207 --docker_env_metadata_whitelist=""
210 a comma-separated list of environment variable keys that needs to
211 be collected for docker containers
212 --docker_only=false
215 Only report docker containers in addition to root stats
216 --docker_root="/var/lib/docker"
219 DEPRECATED: docker root is read from docker info (this is a fall‐
220 back, default: /var/lib/docker)
221 --enable_load_reader=false
224 Whether to enable cpu load reader
225 --event_storage_age_limit="default=24h"
228 Max length of time for which to store events (per type). Value is a
229 comma separated list of key values, where the keys are event types
230 (e.g.: creation, oom) or "default" and the value is a duration. Default
231 is applied to all non-specified event types
232 --event_storage_event_limit="default=100000"
235 Max number of events to store (per type). Value is a comma sepa‐
236 rated list of key values, where the keys are event types (e.g.: cre‐
237 ation, oom) or "default" and the value is an integer. Default is
238 applied to all non-specified event types
239 --global_housekeeping_interval=0
242 Interval between global housekeepings
243 --housekeeping_interval=0
246 Interval between container housekeepings
247 --httptest.serve=""
250 if non-empty, httptest.NewServer serves on this address and blocks
251 --insecure-skip-tls-verify=false
254 If true, the server's certificate will not be checked for validity.
255 This will make your HTTPS connections insecure
256 --kubeconfig=""
259 Path to the kubeconfig file to use for CLI requests.
260 --log-flush-frequency=0
263 Maximum number of seconds between log flushes
264 --log_backtrace_at=:0
267 when logging hits line file:N, emit a stack trace
268 --log_cadvisor_usage=false
271 Whether to log the usage of the cAdvisor container
272 --log_dir=""
275 If non-empty, write log files in this directory
276 --logtostderr=true
279 log to standard error instead of files
280 --machine_id_file="/etc/machine-id,/var/lib/dbus/machine-id"
283 Comma-separated list of files to check for machine-id. Use the
284 first one that exists.
285 --match-server-version=false
288 Require server version to match client version
289 -n, --namespace=""
292 If present, the namespace scope for this CLI request
293 --request-timeout="0"
296 The length of time to wait before giving up on a single server
297 request. Non-zero values should contain a corresponding time unit (e.g.
298 1s, 2m, 3h). A value of zero means don't timeout requests.
299 -s, --server=""
302 The address and port of the Kubernetes API server
303 --stderrthreshold=2
306 logs at or above this threshold go to stderr
307 --storage_driver_buffer_duration=0
310 Writes in the storage driver will be buffered for this duration,
311 and committed to the non memory backends as a single transaction
312 --storage_driver_db="cadvisor"
315 database name
316 --storage_driver_host="localhost:8086"
319 database host:port
320 --storage_driver_password="root"
323 database password
324 --storage_driver_secure=false
327 use secure connection with database
328 --storage_driver_table="stats"
331 table name
332 --storage_driver_user="root"
335 database username
336 --token=""
339 Bearer token for authentication to the API server
340 --user=""
343 The name of the kubeconfig user to use
344 -v, --v=0
347 log level for V logs
348 --version=false
351 Print version information and quit
352 --vmodule=
355 comma-separated list of pattern=N settings for file-filtered log‐
356 ging
357
361 # Block accepting any pods on given nodes
362 oc adm manage-node <mynode> --schedulable=false
363 # Mark selected nodes as schedulable
365 oc adm manage-node --selector="<env=dev>" --schedulable=true
366 # Migrate selected pods
368 oc adm manage-node <mynode> --evacuate --pod-selector="<service=myapp>"
369 # Migrate selected pods, use a grace period of 60 seconds
371 oc adm manage-node <mynode> --evacuate --grace-period=60 --pod-selector="<service=myapp>"
372 # Migrate selected pods not backed by replication controller
374 oc adm manage-node <mynode> --evacuate --force --pod-selector="<service=myapp>"
375 # Show pods that will be migrated
377 oc adm manage-node <mynode> --evacuate --dry-run --pod-selector="<service=myapp>"
378 # List all pods on given nodes
380 oc adm manage-node <mynode1> <mynode2> --list-pods
381
386 oc-adm(1),
387
391 June 2016, Ported from the Kubernetes man-doc generator
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