name: expose synopsis: | Take a replication controller, service, deployment or pod and expose it as a new Kubernetes Service description: "Expose a resource as a new Kubernetes service.\n\nLooks up a deployment, service, replica set, replication controller or pod by name and uses the selector\nfor that resource as the selector for a new service on the specified port. A deployment or replica set\nwill be exposed as a service only if its selector is convertible to a selector that service supports,\ni.e. when the selector contains only the matchLabels component. Note that if no port is specified via\n--port and the exposed resource has multiple ports, all will be re-used by the new service. Also if no \nlabels are specified, the new service will re-use the labels from the resource it exposes.\n\nPossible resources include (case insensitive):\n pod (po), service (svc), replicationcontroller (rc),\n deployment, replicaset (rs)\n" options: - name: container-port usage: Synonym for --target-port - name: create-external-load-balancer default_value: "false" usage: | If true, create an external load balancer for this service (trumped by --type). Implementation is cloud provider dependent. Default is 'false'. - name: dry-run default_value: "false" usage: | If true, only print the object that would be sent, without creating it. - name: external-ip usage: | 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. - name: filename shorthand: f default_value: '[]' usage: | Filename, directory, or URL to a file identifying the resource to expose a service - name: generator default_value: service/v2 usage: | 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'. - name: labels shorthand: l usage: Labels to apply to the service created by this call. - name: load-balancer-ip usage: | IP to assign to to the Load Balancer. If empty, an ephemeral IP will be created and used (cloud-provider specific). - name: name usage: The name for the newly created object. - name: no-headers default_value: "false" usage: When using the default output, don't print headers. - name: output shorthand: o usage: | Output format. One of: json|yaml|wide|name|go-template=...|go-template-file=...|jsonpath=...|jsonpath-file=... See golang template [http://golang.org/pkg/text/template/#pkg-overview] and jsonpath template [http://releases.k8s.io/HEAD/docs/user-guide/jsonpath.md]. - name: output-version usage: | Output the formatted object with the given group version (for ex: 'extensions/v1beta1'). - name: overrides usage: | An inline JSON override for the generated object. If this is non-empty, it is used to override the generated object. Requires that the object supply a valid apiVersion field. - name: port usage: | The port that the service should serve on. Copied from the resource being exposed, if unspecified - name: protocol default_value: TCP usage: | The network protocol for the service to be created. Default is 'tcp'. - name: record default_value: "false" usage: Record current kubectl command in the resource annotation. - name: recursive shorthand: R default_value: "false" usage: If true, process directory recursively. - name: save-config default_value: "false" usage: | If true, the configuration of current object will be saved in its annotation. This is useful when you want to perform kubectl apply on this object in the future. - name: selector usage: | A label selector to use for this service. Only equality-based selector requirements are supported. If empty (the default) infer the selector from the replication controller or replica set. - name: session-affinity usage: | If non-empty, set the session affinity for the service to this; legal values: 'None', 'ClientIP' - name: show-all shorthand: a default_value: "false" usage: | When printing, show all resources (default hide terminated pods.) - name: show-labels default_value: "false" usage: | When printing, show all labels as the last column (default hide labels column) - name: sort-by usage: | If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. '{.metadata.name}'). The field in the API resource specified by this JSONPath expression must be an integer or a string. - name: target-port usage: | Name or number for the port on the container that the service should direct traffic to. Optional. - name: template usage: | Template string or path to template file to use when -o=go-template, -o=go-template-file. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. - name: type usage: | Type for this service: ClusterIP, NodePort, or LoadBalancer. Default is 'ClusterIP'. inherited_options: - name: alsologtostderr default_value: "false" usage: log to standard error as well as files - name: api-version usage: | DEPRECATED: The API version to use when talking to the server - name: as usage: Username to impersonate for the operation. - name: certificate-authority usage: Path to a cert. file for the certificate authority. - name: client-certificate usage: Path to a client certificate file for TLS. - name: client-key usage: Path to a client key file for TLS. - name: cluster usage: The name of the kubeconfig cluster to use - name: context usage: The name of the kubeconfig context to use - name: insecure-skip-tls-verify default_value: "false" usage: | If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure. - name: kubeconfig usage: Path to the kubeconfig file to use for CLI requests. - name: log-backtrace-at default_value: :0 usage: when logging hits line file:N, emit a stack trace - name: log-dir usage: If non-empty, write log files in this directory - name: log-flush-frequency default_value: 5s usage: Maximum number of seconds between log flushes - name: logtostderr default_value: "true" usage: log to standard error instead of files - name: match-server-version default_value: "false" usage: Require server version to match client version - name: namespace usage: If present, the namespace scope for this CLI request. - name: password usage: Password for basic authentication to the API server. - name: server shorthand: s usage: The address and port of the Kubernetes API server - name: stderrthreshold default_value: "2" usage: logs at or above this threshold go to stderr - name: token usage: Bearer token for authentication to the API server. - name: user usage: The name of the kubeconfig user to use - name: username usage: Username for basic authentication to the API server. - name: v default_value: "0" usage: log level for V logs - name: vmodule usage: | comma-separated list of pattern=N settings for file-filtered logging example: |- # 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 see_also: - kubectl