Implement updateReplicationController API operation to change number of replicas.
Project: http://git-wip-us.apache.org/repos/asf/stratos/repo Commit: http://git-wip-us.apache.org/repos/asf/stratos/commit/4087938e Tree: http://git-wip-us.apache.org/repos/asf/stratos/tree/4087938e Diff: http://git-wip-us.apache.org/repos/asf/stratos/diff/4087938e Branch: refs/heads/docker-integration Commit: 4087938ed6450d8d0739e973d48d64d200c0c8f5 Parents: 85ee2f3 Author: Nirmal Fernando <[email protected]> Authored: Sun Sep 21 22:31:32 2014 +0530 Committer: Nirmal Fernando <[email protected]> Committed: Sun Sep 21 22:31:32 2014 +0530 ---------------------------------------------------------------------- .../kubernetes/client/KubernetesApiClient.java | 43 ++++++++++++++++++++ .../KubernetesAPIClientInterface.java | 8 ++++ 2 files changed, 51 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/stratos/blob/4087938e/components/org.apache.stratos.kubernetes.client/src/main/java/org/apache/stratos/kubernetes/client/KubernetesApiClient.java ---------------------------------------------------------------------- diff --git a/components/org.apache.stratos.kubernetes.client/src/main/java/org/apache/stratos/kubernetes/client/KubernetesApiClient.java b/components/org.apache.stratos.kubernetes.client/src/main/java/org/apache/stratos/kubernetes/client/KubernetesApiClient.java index 68e9ad0..d3137ee 100644 --- a/components/org.apache.stratos.kubernetes.client/src/main/java/org/apache/stratos/kubernetes/client/KubernetesApiClient.java +++ b/components/org.apache.stratos.kubernetes.client/src/main/java/org/apache/stratos/kubernetes/client/KubernetesApiClient.java @@ -252,6 +252,49 @@ public class KubernetesApiClient implements KubernetesAPIClientInterface { } @Override + public void updateReplicationController(String controllerId, int replicas) + throws KubernetesClientException { + ReplicationController controller = null; + + // gets the current controller + controller = getReplicationController(controllerId); + + try { + + // update the number of replicas + controller.getDesiredState().setReplicas(replicas); + + GsonBuilder gsonBuilder = new GsonBuilder(); + Gson gson = gsonBuilder.create(); + String content = gson.toJson(controller); + if (log.isDebugEnabled()) { + log.debug("UpdateReplicationController Request Body : " + + content); + } + HttpResponse res = restClient.doPut("replicationControllers/"+controller.getId(), + content); + + if (res.getStatusLine().getStatusCode() != HttpStatus.SC_ACCEPTED + && res.getStatusLine().getStatusCode() != HttpStatus.SC_OK) { + String msg = "Replication Controller [" + controller + + "] update failed. Error: " + + res.getStatusLine().getReasonPhrase(); + log.error(msg); + throw new KubernetesClientException(msg); + } + + } catch (KubernetesClientException e) { + throw e; + } catch (Exception e) { + String msg = "Error while updating Replication Controller: " + + controller; + log.error(msg, e); + throw new KubernetesClientException(msg, e); + + } + } + + @Override public void deleteReplicationController(String controllerId) throws KubernetesClientException { http://git-wip-us.apache.org/repos/asf/stratos/blob/4087938e/components/org.apache.stratos.kubernetes.client/src/main/java/org/apache/stratos/kubernetes/client/interfaces/KubernetesAPIClientInterface.java ---------------------------------------------------------------------- diff --git a/components/org.apache.stratos.kubernetes.client/src/main/java/org/apache/stratos/kubernetes/client/interfaces/KubernetesAPIClientInterface.java b/components/org.apache.stratos.kubernetes.client/src/main/java/org/apache/stratos/kubernetes/client/interfaces/KubernetesAPIClientInterface.java index 77b15ef..51570de 100644 --- a/components/org.apache.stratos.kubernetes.client/src/main/java/org/apache/stratos/kubernetes/client/interfaces/KubernetesAPIClientInterface.java +++ b/components/org.apache.stratos.kubernetes.client/src/main/java/org/apache/stratos/kubernetes/client/interfaces/KubernetesAPIClientInterface.java @@ -82,6 +82,14 @@ public interface KubernetesAPIClientInterface { public void createReplicationController(ReplicationController controller) throws KubernetesClientException; /** + * Update a Replication Controller (update the number of replicas). + * @param controllerId id of the controller to be updated + * @param replicas update the replicas count of the current controller. + * @throws KubernetesClientException + */ + public void updateReplicationController(String controllerId, int replicas) throws KubernetesClientException; + + /** * Delete a Replication Controller. * @param replication controller id controller id to be deleted. * @throws KubernetesClientException
