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Janet Kuo
2016-12-13 13:44:13 -08:00
parent 0634802720
commit 28899d6ec6
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docs/user-guide/kubectl/kubectl_expose.md
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---
---
## kubectl expose
Take a replication controller, service, deployment or pod and expose it as a new Kubernetes Service
@@ -8,20 +7,13 @@ Take a replication controller, service, deployment or pod and expose it as a new
### Synopsis
Expose a resource as a new Kubernetes service.
Looks up a deployment, service, replica set, replication controller or pod by name and uses the selector
for that resource as the selector for a new service on the specified port. A deployment or replica set
will be exposed as a service only if its selector is convertible to a selector that service supports,
i.e. when the selector contains only the matchLabels component. Note that if no port is specified via
--port and the exposed resource has multiple ports, all will be re-used by the new service. Also if no
labels are specified, the new service will re-use the labels from the resource it exposes.
Looks up a deployment, service, replica set, replication controller or pod by name and uses the selector for that resource as the selector for a new service on the specified port. A deployment or replica set will be exposed as a service only if its selector is convertible to a selector that service supports, i.e. when the selector contains only the matchLabels component. Note that if no port is specified via --port and the exposed resource has multiple ports, all will be re-used by the new service. Also if no labels are specified, the new service will re-use the labels from the resource it exposes.
Possible resources include (case insensitive):
pod (po), service (svc), replicationcontroller (rc),
deployment (deploy), replicaset (rs)
pod (po), service (svc), replicationcontroller (rc), deployment (deploy), replicaset (rs)
```
kubectl expose (-f FILENAME | TYPE NAME) [--port=port] [--protocol=TCP|UDP] [--target-port=number-or-name] [--name=name] [--external-ip=external-ip-of-service] [--type=type]
@@ -30,27 +22,26 @@ kubectl expose (-f FILENAME | TYPE NAME) [--port=port] [--protocol=TCP|UDP] [--t
### Examples
```
# Create a service for a replicated nginx, which serves on port 80 and connects to the containers on port 8000.
kubectl expose rc nginx --port=80 --target-port=8000
# Create a service for a replication controller identified by type and name specified in "nginx-controller.yaml", which serves on port 80 and connects to the containers on port 8000.
kubectl expose -f nginx-controller.yaml --port=80 --target-port=8000
# Create a service for a pod valid-pod, which serves on port 444 with the name "frontend"
kubectl expose pod valid-pod --port=444 --name=frontend
# Create a second service based on the above service, exposing the container port 8443 as port 443 with the name "nginx-https"
kubectl expose service nginx --port=443 --target-port=8443 --name=nginx-https
# Create a service for a replicated streaming application on port 4100 balancing UDP traffic and named 'video-stream'.
kubectl expose rc streamer --port=4100 --protocol=udp --name=video-stream
# Create a service for a replicated nginx using replica set, which serves on port 80 and connects to the containers on port 8000.
kubectl expose rs nginx --port=80 --target-port=8000
# Create a service for an nginx deployment, which serves on port 80 and connects to the containers on port 8000.
kubectl expose deployment nginx --port=80 --target-port=8000
# Create a service for a replicated nginx, which serves on port 80 and connects to the containers on port 8000.
kubectl expose rc nginx --port=80 --target-port=8000
# Create a service for a replication controller identified by type and name specified in "nginx-controller.yaml", which serves on port 80 and connects to the containers on port 8000.
kubectl expose -f nginx-controller.yaml --port=80 --target-port=8000
# Create a service for a pod valid-pod, which serves on port 444 with the name "frontend"
kubectl expose pod valid-pod --port=444 --name=frontend
# Create a second service based on the above service, exposing the container port 8443 as port 443 with the name "nginx-https"
kubectl expose service nginx --port=443 --target-port=8443 --name=nginx-https
# Create a service for a replicated streaming application on port 4100 balancing UDP traffic and named 'video-stream'.
kubectl expose rc streamer --port=4100 --protocol=udp --name=video-stream
# Create a service for a replicated nginx using replica set, which serves on port 80 and connects to the containers on port 8000.
kubectl expose rs nginx --port=80 --target-port=8000
# Create a service for an nginx deployment, which serves on port 80 and connects to the containers on port 8000.
kubectl expose deployment nginx --port=80 --target-port=8000
```
### Options
@@ -59,7 +50,7 @@ kubectl expose deployment nginx --port=80 --target-port=8000
--cluster-ip string ClusterIP to be assigned to the service. Leave empty to auto-allocate, or set to 'None' to create a headless service.
--dry-run If true, only print the object that would be sent, without sending it.
--external-ip string Additional external IP address (not managed by Kubernetes) to accept for the service. If this IP is routed to a node, the service can be accessed by this IP in addition to its generated service IP.
-f, --filename value Filename, directory, or URL to a file identifying the resource to expose a service (default [])
-f, --filename stringSlice Filename, directory, or URL to files identifying the resource to expose a service
--generator string The name of the API generator to use. There are 2 generators: 'service/v1' and 'service/v2'. The only difference between them is that service port in v1 is named 'default', while it is left unnamed in v2. Default is 'service/v2'. (default "service/v2")
-l, --labels string Labels to apply to the service created by this call.
--load-balancer-ip string IP to assign to the Load Balancer. If empty, an ephemeral IP will be created and used (cloud-provider specific).
@@ -86,37 +77,34 @@ kubectl expose deployment nginx --port=80 --target-port=8000
### Options inherited from parent commands
```
--alsologtostderr value log to standard error as well as files
--as string Username to impersonate for the operation
--certificate-authority string Path to a cert. file for the certificate authority
--client-certificate string Path to a client certificate file for TLS
--client-key string Path to a client key file for TLS
--cluster string The name of the kubeconfig cluster to use
--context string The name of the kubeconfig context to use
--insecure-skip-tls-verify If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure
--kubeconfig string Path to the kubeconfig file to use for CLI requests.
--log-backtrace-at value when logging hits line file:N, emit a stack trace (default :0)
--log-dir value If non-empty, write log files in this directory
--logtostderr value log to standard error instead of files
--match-server-version Require server version to match client version
-n, --namespace string If present, the namespace scope for this CLI request
--password string Password for basic authentication to the API server
-s, --server string The address and port of the Kubernetes API server
--stderrthreshold value logs at or above this threshold go to stderr (default 2)
--token string Bearer token for authentication to the API server
--user string The name of the kubeconfig user to use
--username string Username for basic authentication to the API server
-v, --v value log level for V logs
--vmodule value comma-separated list of pattern=N settings for file-filtered logging
--alsologtostderr log to standard error as well as files
--as string Username to impersonate for the operation
--certificate-authority string Path to a cert. file for the certificate authority
--client-certificate string Path to a client certificate file for TLS
--client-key string Path to a client key file for TLS
--cluster string The name of the kubeconfig cluster to use
--context string The name of the kubeconfig context to use
--insecure-skip-tls-verify If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure
--kubeconfig string Path to the kubeconfig file to use for CLI requests.
--log-backtrace-at traceLocation when logging hits line file:N, emit a stack trace (default :0)
--log-dir string If non-empty, write log files in this directory
--logtostderr log to standard error instead of files
--match-server-version Require server version to match client version
-n, --namespace string If present, the namespace scope for this CLI request
--password string Password for basic authentication to the API server
--request-timeout string The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests. (default "0")
-s, --server string The address and port of the Kubernetes API server
--stderrthreshold severity logs at or above this threshold go to stderr (default 2)
--token string Bearer token for authentication to the API server
--user string The name of the kubeconfig user to use
--username string Username for basic authentication to the API server
-v, --v Level log level for V logs
--vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging
```
###### Auto generated by spf13/cobra on 24-Oct-2016
###### Auto generated by spf13/cobra on 13-Dec-2016
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