1KUBERNETES(1) Jan 2015 KUBERNETES(1)
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6 kubectl set env - Update environment variables on a pod template
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11 kubectl set env [OPTIONS]
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16 Update environment variables on a pod template.
17 List environment variable definitions in one or more pods, pod tem‐
20 plates. Add, update, or remove container environment variable defini‐
21 tions in one or more pod templates (within replication controllers or
22 deployment configurations). View or modify the environment variable
23 definitions on all containers in the specified pods or pod templates,
24 or just those that match a wildcard.
25 If "--env -" is passed, environment variables can be read from STDIN
28 using the standard env syntax.
29 Possible resources include (case insensitive):
32 pod (po), replicationcontroller (rc), deployment (deploy), daemonset
35 (ds), job, replicaset (rs)
36
40 --all=false
41 If true, select all resources in the namespace of the specified
42 resource types
43 --allow-missing-template-keys=true
46 If true, ignore any errors in templates when a field or map key is
47 missing in the template. Only applies to golang and jsonpath output
48 formats.
49 -c, --containers="*"
52 The names of containers in the selected pod templates to change -
53 may use wildcards
54 --dry-run=false
57 If true, only print the object that would be sent, without sending
58 it.
59 -e, --env=[]
62 Specify a key-value pair for an environment variable to set into
63 each container.
64 -f, --filename=[]
67 Filename, directory, or URL to files the resource to update the env
68 --from=""
71 The name of a resource from which to inject environment variables
72 --keys=[]
75 Comma-separated list of keys to import from specified resource
76 -k, --kustomize=""
79 Process the kustomization directory. This flag can't be used
80 together with -f or -R.
81 --list=false
84 If true, display the environment and any changes in the standard
85 format. this flag will removed when we have kubectl view env.
86 --local=false
89 If true, set env will NOT contact api-server but run locally.
90 -o, --output=""
93 Output format. One of: json|yaml|name|go-template|go-tem‐
94 plate-file|template|templatefile|jsonpath|jsonpath-file.
95 --overwrite=true
98 If true, allow environment to be overwritten, otherwise reject
99 updates that overwrite existing environment.
100 --prefix=""
103 Prefix to append to variable names
104 -R, --recursive=false
107 Process the directory used in -f, --filename recursively. Useful
108 when you want to manage related manifests organized within the same
109 directory.
110 --resolve=false
113 If true, show secret or configmap references when listing variables
114 -l, --selector=""
117 Selector (label query) to filter on
118 --template=""
121 Template string or path to template file to use when -o=go-tem‐
122 plate, -o=go-template-file. The template format is golang templates [
123 ⟨http://golang.org/pkg/text/template/#pkg-overview⟩].
124
128 --alsologtostderr=false
129 log to standard error as well as files
130 --application-metrics-count-limit=100
133 Max number of application metrics to store (per container)
134 --as=""
137 Username to impersonate for the operation
138 --as-group=[]
141 Group to impersonate for the operation, this flag can be repeated
142 to specify multiple groups.
143 --azure-container-registry-config=""
146 Path to the file containing Azure container registry configuration
147 information.
148 --boot-id-file="/proc/sys/kernel/random/boot_id"
151 Comma-separated list of files to check for boot-id. Use the first
152 one that exists.
153 --cache-dir="/builddir/.kube/http-cache"
156 Default HTTP cache directory
157 --certificate-authority=""
160 Path to a cert file for the certificate authority
161 --client-certificate=""
164 Path to a client certificate file for TLS
165 --client-key=""
168 Path to a client key file for TLS
169 --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
172 CIDRs opened in GCE firewall for LB traffic proxy health checks
173 --cluster=""
176 The name of the kubeconfig cluster to use
177 --container-hints="/etc/cadvisor/container_hints.json"
180 location of the container hints file
181 --containerd="/run/containerd/containerd.sock"
184 containerd endpoint
185 --containerd-namespace="k8s.io"
188 containerd namespace
189 --context=""
192 The name of the kubeconfig context to use
193 --default-not-ready-toleration-seconds=300
196 Indicates the tolerationSeconds of the toleration for
197 notReady:NoExecute that is added by default to every pod that does not
198 already have such a toleration.
199 --default-unreachable-toleration-seconds=300
202 Indicates the tolerationSeconds of the toleration for unreach‐
203 able:NoExecute that is added by default to every pod that does not
204 already have such a toleration.
205 --docker="unix:///var/run/docker.sock"
208 docker endpoint
209 --docker-env-metadata-whitelist=""
212 a comma-separated list of environment variable keys that needs to
213 be collected for docker containers
214 --docker-only=false
217 Only report docker containers in addition to root stats
218 --docker-root="/var/lib/docker"
221 DEPRECATED: docker root is read from docker info (this is a fall‐
222 back, default: /var/lib/docker)
223 --docker-tls=false
226 use TLS to connect to docker
227 --docker-tls-ca="ca.pem"
230 path to trusted CA
231 --docker-tls-cert="cert.pem"
234 path to client certificate
235 --docker-tls-key="key.pem"
238 path to private key
239 --enable-load-reader=false
242 Whether to enable cpu load reader
243 --event-storage-age-limit="default=0"
246 Max length of time for which to store events (per type). Value is a
247 comma separated list of key values, where the keys are event types
248 (e.g.: creation, oom) or "default" and the value is a duration. Default
249 is applied to all non-specified event types
250 --event-storage-event-limit="default=0"
253 Max number of events to store (per type). Value is a comma sepa‐
254 rated list of key values, where the keys are event types (e.g.: cre‐
255 ation, oom) or "default" and the value is an integer. Default is
256 applied to all non-specified event types
257 --global-housekeeping-interval=1m0s
260 Interval between global housekeepings
261 --housekeeping-interval=10s
264 Interval between container housekeepings
265 --insecure-skip-tls-verify=false
268 If true, the server's certificate will not be checked for validity.
269 This will make your HTTPS connections insecure
270 --kubeconfig=""
273 Path to the kubeconfig file to use for CLI requests.
274 --log-backtrace-at=:0
277 when logging hits line file:N, emit a stack trace
278 --log-cadvisor-usage=false
281 Whether to log the usage of the cAdvisor container
282 --log-dir=""
285 If non-empty, write log files in this directory
286 --log-file=""
289 If non-empty, use this log file
290 --log-file-max-size=1800
293 Defines the maximum size a log file can grow to. Unit is megabytes.
294 If the value is 0, the maximum file size is unlimited.
295 --log-flush-frequency=5s
298 Maximum number of seconds between log flushes
299 --logtostderr=true
302 log to standard error instead of files
303 --machine-id-file="/etc/machine-id,/var/lib/dbus/machine-id"
306 Comma-separated list of files to check for machine-id. Use the
307 first one that exists.
308 --match-server-version=false
311 Require server version to match client version
312 -n, --namespace=""
315 If present, the namespace scope for this CLI request
316 --password=""
319 Password for basic authentication to the API server
320 --profile="none"
323 Name of profile to capture. One of (none|cpu|heap|goroutine|thread‐
324 create|block|mutex)
325 --profile-output="profile.pprof"
328 Name of the file to write the profile to
329 --request-timeout="0"
332 The length of time to wait before giving up on a single server
333 request. Non-zero values should contain a corresponding time unit (e.g.
334 1s, 2m, 3h). A value of zero means don't timeout requests.
335 -s, --server=""
338 The address and port of the Kubernetes API server
339 --skip-headers=false
342 If true, avoid header prefixes in the log messages
343 --skip-log-headers=false
346 If true, avoid headers when opening log files
347 --stderrthreshold=2
350 logs at or above this threshold go to stderr
351 --storage-driver-buffer-duration=1m0s
354 Writes in the storage driver will be buffered for this duration,
355 and committed to the non memory backends as a single transaction
356 --storage-driver-db="cadvisor"
359 database name
360 --storage-driver-host="localhost:8086"
363 database host:port
364 --storage-driver-password="root"
367 database password
368 --storage-driver-secure=false
371 use secure connection with database
372 --storage-driver-table="stats"
375 table name
376 --storage-driver-user="root"
379 database username
380 --token=""
383 Bearer token for authentication to the API server
384 --update-machine-info-interval=5m0s
387 Interval between machine info updates.
388 --user=""
391 The name of the kubeconfig user to use
392 --username=""
395 Username for basic authentication to the API server
396 -v, --v=0
399 number for the log level verbosity
400 --version=false
403 Print version information and quit
404 --vmodule=
407 comma-separated list of pattern=N settings for file-filtered log‐
408 ging
409
413 # Update deployment 'registry' with a new environment variable
414 kubectl set env deployment/registry STORAGE_DIR=/local
415 # List the environment variables defined on a deployments 'sample-build'
417 kubectl set env deployment/sample-build --list
418 # List the environment variables defined on all pods
420 kubectl set env pods --all --list
421 # Output modified deployment in YAML, and does not alter the object on the server
423 kubectl set env deployment/sample-build STORAGE_DIR=/data -o yaml
424 # Update all containers in all replication controllers in the project to have ENV=prod
426 kubectl set env rc --all ENV=prod
427 # Import environment from a secret
429 kubectl set env --from=secret/mysecret deployment/myapp
430 # Import environment from a config map with a prefix
432 kubectl set env --from=configmap/myconfigmap --prefix=MYSQL_ deployment/myapp
433 # Import specific keys from a config map
435 kubectl set env --keys=my-example-key --from=configmap/myconfigmap deployment/myapp
436 # Remove the environment variable ENV from container 'c1' in all deployment configs
438 kubectl set env deployments --all --containers="c1" ENV-
439 # Remove the environment variable ENV from a deployment definition on disk and
441 # update the deployment config on the server
442 kubectl set env -f deploy.json ENV-
443 # Set some of the local shell environment into a deployment config on the server
445 env | grep RAILS_ | kubectl set env -e - deployment/registry
446
451 kubectl-set(1),
452
456 January 2015, Originally compiled by Eric Paris (eparis at redhat dot
457 com) based on the kubernetes source material, but hopefully they have
458 been automatically generated since!
459Eric Paris kubernetes User Manuals KUBERNETES(1)