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  • 4.1.x Updating the Kubernetes-CoreOS Master via the REST API
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Overview

DescriptionUpdate the master node in a Kubernetes-CoreOS group.
Resource Path/kubernetesClusters/{kubernetesClusterId}/master
HTTP MethodPUT
Request/Response Formatapplication/json

Sample JSON request

{
  "hostId": "master",
  "hostname": "master.dev.kubernetes.org",
  "privateIPAddress": "172.17.8.105",
  "publicIPAddress": "172.17.8.109",
  "property": [
    
  ]
}

For information on all the properties that can be used in a Kubernetes Master definition, see the Kubernetes Master Resource Definition.

> PUT /api/kubernetesClusters/kubernetes-cluster-1/master HTTP/1.1
> Authorization: Basic YWRtaW46YWRtaW4=
> User-Agent: curl/7.24.0 (x86_64-apple-darwin12.0) libcurl/7.24.0 OpenSSL/0.9.8| zlib/1.2.5
> Host: localhost:9443
> Accept: */*
> Content-Type: application/json
> Content-Length: 196
>
* upload completely sent off: 196 out of 196 bytes
< HTTP/1.1 200 OK
< Date: Tue, 07 Apr 2015 05:49:18 GMT
< Location: https://localhost:9443/api/kubernetesClusters/kubernetes-cluster-1/master/master
< Content-Type: application/json
< Transfer-Encoding: chunked
< Server: WSO2 Carbon Server
<
{"status":"success","message":"Kubernetes Master updated successfully: [kub-master] master"}
curl -X PUT -H "Content-Type: application/json" -d @'<JSON_PAYLOAD>' -k -v -u admin:admin https://<STRATOS_HOST>:<STRATOS_HTTPS_PORT>/api/kubernetesClusters/{kubernetesClusterId}/master
  • The path to the JSON file that defines the Kubernetes-CoreOS master needs to be defined as the <JSON_PAYLOAD> value.

  • By default, <STRATOS_HOST> is localhost. However, if you are using a public IP, the respective IP address or domain needs to be specified.
  • By default, <STRATOS_HTTPS_PORT> has been set to 9443. However, if the port offset has been incremented by n, the default port value needs to be incremented by n.

For example:

curl -X PUT -H "Content-Type: application/json" -d @'kubernetes-cluster-2.json' -k -v -u admin:admin https://localhost:9443/api/kubernetesClusters/kubernetes-cluster-1/master

CLI command
update-kubernetes-master
DescriptionUpdate the master node of the Kubernetes-CoreOS Cluster.
Command format

update-kubernetes-master -c <CLUSTER_ID> -p <JSON_FILE_PATH>

The path to the JSON file that defines the Kubernetes-CoreOS Master needs to be defined as the <JSON_FILE_PATH> value.


REST API response

HTTP status code

200, 404, 500

See the descriptions of the HTTP status codes here.

Location header URLhttps://<STRATOS_HOST>:<STRATOS_HTTPS_PORT>/api/kubernetesClusters/<KUBERNETES_GROUP_ID>/master/<MASTER_HOST_ID>
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