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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
// Copyright 2020 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.routing;
import com.google.common.collect.ImmutableSortedSet;
import com.yahoo.config.provision.HostName;
import com.yahoo.config.provision.SystemName;
import com.yahoo.config.provision.zone.RoutingMethod;
import com.yahoo.vespa.hosted.controller.api.integration.zone.ZoneRegistry;
import com.yahoo.vespa.hosted.controller.application.Endpoint;
import com.yahoo.vespa.hosted.controller.application.Endpoint.Port;
import com.yahoo.vespa.hosted.controller.application.EndpointId;
import com.yahoo.vespa.hosted.controller.application.SystemApplication;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
/**
* Represents the DNS routing policy for a {@link com.yahoo.vespa.hosted.controller.application.Deployment}.
*
* @author mortent
* @author mpolden
*/
public class RoutingPolicy {
private final RoutingPolicyId id;
private final HostName canonicalName;
private final Optional<String> dnsZone;
private final Set<EndpointId> endpoints;
private final Status status;
/** DO NOT USE. Public for serialization purposes */
public RoutingPolicy(RoutingPolicyId id, HostName canonicalName, Optional<String> dnsZone, Set<EndpointId> endpoints,
Status status) {
this.id = Objects.requireNonNull(id, "id must be non-null");
this.canonicalName = Objects.requireNonNull(canonicalName, "canonicalName must be non-null");
this.dnsZone = Objects.requireNonNull(dnsZone, "dnsZone must be non-null");
this.endpoints = ImmutableSortedSet.copyOf(Objects.requireNonNull(endpoints, "endpoints must be non-null"));
this.status = Objects.requireNonNull(status, "status must be non-null");
}
/** The ID of this */
public RoutingPolicyId id() {
return id;
}
/** The canonical name for the load balancer this applies to (rhs of a CNAME or ALIAS record) */
public HostName canonicalName() {
return canonicalName;
}
/** DNS zone for the load balancer this applies to, if any. Used when creating ALIAS records. */
public Optional<String> dnsZone() {
return dnsZone;
}
/** The endpoints of this policy */
public Set<EndpointId> endpoints() {
return endpoints;
}
/** Returns the status of this */
public Status status() {
return status;
}
/** Returns a copy of this with status set to given status */
public RoutingPolicy with(Status status) {
return new RoutingPolicy(id, canonicalName, dnsZone, endpoints, status);
}
/** Returns the endpoint of this */
public Endpoint endpointIn(SystemName system, RoutingMethod routingMethod, ZoneRegistry zoneRegistry) {
Optional<Endpoint> infraEndpoint = SystemApplication.matching(id.owner())
.flatMap(app -> app.endpointIn(id.zone(), zoneRegistry));
if (infraEndpoint.isPresent()) return infraEndpoint.get();
return endpoint(routingMethod).target(id.cluster(), id.zone()).in(system);
}
/** Returns the weighted endpoint of this */
public Endpoint weightedEndpointIn(SystemName system, RoutingMethod routingMethod) {
return endpoint(routingMethod).weighted(id.cluster(), id.zone()).in(system);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
RoutingPolicy that = (RoutingPolicy) o;
return id.equals(that.id);
}
@Override
public int hashCode() {
return Objects.hash(id);
}
@Override
public String toString() {
return String.format("%s [endpoints: %s%s], %s owned by %s, in %s", canonicalName, endpoints,
dnsZone.map(z -> ", DNS zone: " + z).orElse(""), id.cluster(), id.owner().toShortString(),
id.zone().value());
}
private Endpoint.EndpointBuilder endpoint(RoutingMethod routingMethod) {
return Endpoint.of(id.owner())
.on(Port.fromRoutingMethod(routingMethod))
.routingMethod(routingMethod);
}
}
|
