1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.orchestrator.controller;
import com.yahoo.vespa.applicationmodel.ApplicationInstanceId;
import com.yahoo.vespa.applicationmodel.HostName;
import com.yahoo.vespa.orchestrator.ApplicationStateChangeDeniedException;
import com.yahoo.vespa.orchestrator.OrchestratorContext;
import com.yahoo.vespa.orchestrator.model.ContentService;
import com.yahoo.vespa.orchestrator.policy.HostStateChangeDeniedException;
/**
* @author bakksjo
*/
public interface ClusterControllerClient {
/**
* Requests that a cluster controller sets the requested node to the requested state.
*
* @return false is this was a probe operation, and permission would be denied.
* @throws HostStateChangeDeniedException if operation fails, or is otherwise disallowed.
*/
boolean trySetNodeState(OrchestratorContext context, HostName host, int storageNodeIndex,
ClusterControllerNodeState wantedState, ContentService contentService, boolean force)
throws HostStateChangeDeniedException;
/**
* Requests that a cluster controller sets the requested node to the requested state.
*
* @throws HostStateChangeDeniedException if operation fails, or is disallowed.
*/
void setNodeState(OrchestratorContext context, HostName host, int storageNodeIndex,
ClusterControllerNodeState wantedState, ContentService contentService, boolean force)
throws HostStateChangeDeniedException;
/**
* Requests that a cluster controller sets all nodes in the cluster to the requested state.
*
* @throws ApplicationStateChangeDeniedException if operation fails, or is disallowed.
*/
void setApplicationState(OrchestratorContext context, ApplicationInstanceId applicationId,
ClusterControllerNodeState wantedState) throws ApplicationStateChangeDeniedException;
}
|
