1OC ADM CA(1) June 2016 OC ADM CA(1)
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6 oc adm ca create-master-certs - Create certificates and keys for a mas‐
7 ter
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12 oc adm ca create-master-certs [OPTIONS]
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17 Create keys and certificates for a master
18 This command creates keys and certs necessary to run a secure master.
21 It also creates keys, certificates, and configuration necessary for
22 most related infrastructure components that are clients to the master.
23 See the related "create-node-config" command for generating per-node
24 config.
25 All files are expected or created in standard locations under the
28 cert-dir.
29 openshift.local.config/master/
32 ca.{crt,key,serial.txt}
33 master.server.{crt,key}
34 admin.{crt,key,kubeconfig}
35 ...
36 Note that the certificate authority (CA aka "signer") generated auto‐
39 matically is self-signed. In production usage, administrators are more
40 likely to want to generate signed certificates separately rather than
41 rely on a generated CA. Alternatively, start with an existing signed CA
42 and have this command use it to generate valid certificates.
43 This command would usually only be used once at installation. If you
46 need to regenerate the master server cert, DO NOT use --overwrite as
47 this would recreate ALL certs including the CA cert, invalidating any
48 existing infrastructure or client configuration. Instead, delete/rename
49 the existing server cert and run the command to fill it in:
50 mv openshift.local.config/master/master.server.crt{,.old}
53 oc adm ca create-master-certs --cert-dir=... \
54 --master= ⟨https://internal.master.fqdn:8443⟩ \
55 --public-master= ⟨https://external.master.fqdn:8443⟩ \
56 --hostnames=external.master.fqdn,internal.master.fqdn,local‐
57 host,127.0.0.1,172.17.42.1,kubernetes.default.local
58 Alternatively, use the related "ca create-server-cert" command to
61 explicitly create a certificate.
62 Regardless of --overwrite, the master server key/cert will be updated
65 if --hostnames does not match the current certificate. Regardless of
66 --overwrite, .kubeconfig files will be updated every time this command
67 is run, so always specify --master (and if needed, --public-master).
68 This is designed to match the behavior of "start" which rewrites
69 certs/confs for certain configuration changes.
70
74 --cert-dir="openshift.local.config/master"
75 The certificate data directory.
76 --expire-days=730
79 Validity of the certificates in days (defaults to 2 years). WARN‐
80 ING: extending this above default value is highly discouraged.
81 --hostnames=[]
84 Every hostname or IP that server certs should be valid for
85 (comma-delimited list)
86 --master=" ⟨https://localhost:8443"⟩
89 The API server's URL.
90 --overwrite=false
93 Overwrite all existing cert/key/config files (WARNING: includes
94 signer/CA)
95 --public-master=""
98 The API public facing server's URL (if applicable).
99 --signer-expire-days=1825
102 Validity of the CA certificate in days (defaults to 5 years). WARN‐
103 ING: extending this above default value is highly discouraged.
104 --signer-name="openshift-signer@<current_timestamp>"
107 The name to use for the generated signer.
108
112 --allow_verification_with_non_compliant_keys=false
113 Allow a SignatureVerifier to use keys which are technically
114 non-compliant with RFC6962.
115 --alsologtostderr=false
118 log to standard error as well as files
119 --application_metrics_count_limit=100
122 Max number of application metrics to store (per container)
123 --as=""
126 Username to impersonate for the operation
127 --as-group=[]
130 Group to impersonate for the operation, this flag can be repeated
131 to specify multiple groups.
132 --azure-container-registry-config=""
135 Path to the file containing Azure container registry configuration
136 information.
137 --boot_id_file="/proc/sys/kernel/random/boot_id"
140 Comma-separated list of files to check for boot-id. Use the first
141 one that exists.
142 --cache-dir="/builddir/.kube/http-cache"
145 Default HTTP cache directory
146 --certificate-authority=""
149 Path to a cert file for the certificate authority
150 --client-certificate=""
153 Path to a client certificate file for TLS
154 --client-key=""
157 Path to a client key file for TLS
158 --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
161 CIDRs opened in GCE firewall for LB traffic proxy health checks
162 --cluster=""
165 The name of the kubeconfig cluster to use
166 --container_hints="/etc/cadvisor/container_hints.json"
169 location of the container hints file
170 --containerd="unix:///var/run/containerd.sock"
173 containerd endpoint
174 --context=""
177 The name of the kubeconfig context to use
178 --default-not-ready-toleration-seconds=300
181 Indicates the tolerationSeconds of the toleration for
182 notReady:NoExecute that is added by default to every pod that does not
183 already have such a toleration.
184 --default-unreachable-toleration-seconds=300
187 Indicates the tolerationSeconds of the toleration for unreach‐
188 able:NoExecute that is added by default to every pod that does not
189 already have such a toleration.
190 --docker="unix:///var/run/docker.sock"
193 docker endpoint
194 --docker-tls=false
197 use TLS to connect to docker
198 --docker-tls-ca="ca.pem"
201 path to trusted CA
202 --docker-tls-cert="cert.pem"
205 path to client certificate
206 --docker-tls-key="key.pem"
209 path to private key
210 --docker_env_metadata_whitelist=""
213 a comma-separated list of environment variable keys that needs to
214 be collected for docker containers
215 --docker_only=false
218 Only report docker containers in addition to root stats
219 --docker_root="/var/lib/docker"
222 DEPRECATED: docker root is read from docker info (this is a fall‐
223 back, default: /var/lib/docker)
224 --enable_load_reader=false
227 Whether to enable cpu load reader
228 --event_storage_age_limit="default=24h"
231 Max length of time for which to store events (per type). Value is a
232 comma separated list of key values, where the keys are event types
233 (e.g.: creation, oom) or "default" and the value is a duration. Default
234 is applied to all non-specified event types
235 --event_storage_event_limit="default=100000"
238 Max number of events to store (per type). Value is a comma sepa‐
239 rated list of key values, where the keys are event types (e.g.: cre‐
240 ation, oom) or "default" and the value is an integer. Default is
241 applied to all non-specified event types
242 --global_housekeeping_interval=0
245 Interval between global housekeepings
246 --housekeeping_interval=0
249 Interval between container housekeepings
250 --httptest.serve=""
253 if non-empty, httptest.NewServer serves on this address and blocks
254 --insecure-skip-tls-verify=false
257 If true, the server's certificate will not be checked for validity.
258 This will make your HTTPS connections insecure
259 --kubeconfig=""
262 Path to the kubeconfig file to use for CLI requests.
263 --log-flush-frequency=0
266 Maximum number of seconds between log flushes
267 --log_backtrace_at=:0
270 when logging hits line file:N, emit a stack trace
271 --log_cadvisor_usage=false
274 Whether to log the usage of the cAdvisor container
275 --log_dir=""
278 If non-empty, write log files in this directory
279 --logtostderr=true
282 log to standard error instead of files
283 --machine_id_file="/etc/machine-id,/var/lib/dbus/machine-id"
286 Comma-separated list of files to check for machine-id. Use the
287 first one that exists.
288 --match-server-version=false
291 Require server version to match client version
292 -n, --namespace=""
295 If present, the namespace scope for this CLI request
296 --request-timeout="0"
299 The length of time to wait before giving up on a single server
300 request. Non-zero values should contain a corresponding time unit (e.g.
301 1s, 2m, 3h). A value of zero means don't timeout requests.
302 -s, --server=""
305 The address and port of the Kubernetes API server
306 --stderrthreshold=2
309 logs at or above this threshold go to stderr
310 --storage_driver_buffer_duration=0
313 Writes in the storage driver will be buffered for this duration,
314 and committed to the non memory backends as a single transaction
315 --storage_driver_db="cadvisor"
318 database name
319 --storage_driver_host="localhost:8086"
322 database host:port
323 --storage_driver_password="root"
326 database password
327 --storage_driver_secure=false
330 use secure connection with database
331 --storage_driver_table="stats"
334 table name
335 --storage_driver_user="root"
338 database username
339 --token=""
342 Bearer token for authentication to the API server
343 --user=""
346 The name of the kubeconfig user to use
347 -v, --v=0
350 log level for V logs
351 --version=false
354 Print version information and quit
355 --vmodule=
358 comma-separated list of pattern=N settings for file-filtered log‐
359 ging
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364 oc-adm-ca(1),
365
369 June 2016, Ported from the Kubernetes man-doc generator
370Openshift Openshift CLI User Manuals OC ADM CA(1)