node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/EmptyProvisionServiceProvider.java


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
44
45
46
47
48
49
50
51
52
53
54

// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.provision.provisioning;

import com.yahoo.config.provision.Flavor;
import com.yahoo.config.provision.NodeResources;
import com.yahoo.config.provision.NodeType;
import com.yahoo.vespa.hosted.provision.NodeRepository;
import com.yahoo.vespa.hosted.provision.Nodelike;
import com.yahoo.vespa.hosted.provision.lb.LoadBalancerService;

import java.util.Optional;

/**
 * @author freva
 */
public class EmptyProvisionServiceProvider implements ProvisionServiceProvider {

    private final HostResourcesCalculator hostResourcesCalculator = new IdentityHostResourcesCalculator();

    @Override
    public Optional<LoadBalancerService> getLoadBalancerService() {
        return Optional.empty();
    }

    @Override
    public Optional<HostProvisioner> getHostProvisioner() {
        return Optional.empty();
    }

    @Override
    public HostResourcesCalculator getHostResourcesCalculator() {
        return hostResourcesCalculator;
    }

    private static class IdentityHostResourcesCalculator implements HostResourcesCalculator {

        @Override
        public NodeResources realResourcesOf(Nodelike node, NodeRepository repository) { return node.resources(); }

        @Override
        public NodeResources advertisedResourcesOf(Flavor flavor) { return flavor.resources(); }

        @Override
        public NodeResources requestToReal(NodeResources resources, boolean exclusive, boolean bestCase) { return resources; }

        @Override
        public NodeResources realToRequest(NodeResources resources, boolean exclusive, boolean bestCase) { return resources; }

        @Override
        public long reservedDiskSpaceInBase2Gb(NodeType nodeType, boolean sharedHost) { return 0; }

    }

}