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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.configserver.noderepository;
import com.yahoo.vespa.hosted.node.admin.ContainerAclSpec;
import com.yahoo.vespa.hosted.node.admin.ContainerNodeSpec;
import com.yahoo.vespa.hosted.dockerapi.ContainerName;
import com.yahoo.vespa.hosted.dockerapi.DockerImage;
import com.yahoo.vespa.hosted.node.admin.configserver.ConfigServerApi;
import com.yahoo.vespa.hosted.node.admin.nodeagent.NodeAttributes;
import com.yahoo.vespa.hosted.node.admin.configserver.noderepository.bindings.GetAclResponse;
import com.yahoo.vespa.hosted.node.admin.configserver.noderepository.bindings.GetNodesResponse;
import com.yahoo.vespa.hosted.node.admin.configserver.noderepository.bindings.NodeMessageResponse;
import com.yahoo.vespa.hosted.node.admin.configserver.noderepository.bindings.UpdateNodeAttributesRequestBody;
import com.yahoo.vespa.hosted.node.admin.configserver.noderepository.bindings.UpdateNodeAttributesResponse;
import com.yahoo.vespa.hosted.node.admin.configserver.HttpException;
import com.yahoo.vespa.hosted.node.admin.util.PrefixLogger;
import com.yahoo.vespa.hosted.provision.Node;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.stream.Collectors;
/**
* @author stiankri, dybis
*/
public class NodeRepositoryImpl implements NodeRepository {
private static final PrefixLogger NODE_ADMIN_LOGGER = PrefixLogger.getNodeAdminLogger(NodeRepositoryImpl.class);
private final ConfigServerApi configServerApi;
public NodeRepositoryImpl(ConfigServerApi configServerApi) {
this.configServerApi = configServerApi;
}
@Override
public List<ContainerNodeSpec> getContainersToRun(String baseHostName) {
final GetNodesResponse nodesForHost = configServerApi.get(
"/nodes/v2/node/?parentHost=" + baseHostName + "&recursive=true",
GetNodesResponse.class);
List<ContainerNodeSpec> nodes = new ArrayList<>(nodesForHost.nodes.size());
for (GetNodesResponse.Node node : nodesForHost.nodes) {
ContainerNodeSpec nodeSpec;
try {
nodeSpec = createContainerNodeSpec(node);
} catch (IllegalArgumentException | NullPointerException e) {
NODE_ADMIN_LOGGER.warning("Bad node received from node repo when requesting children of the "
+ baseHostName + " host: " + node, e);
continue;
}
nodes.add(nodeSpec);
}
return nodes;
}
@Override
public Optional<ContainerNodeSpec> getContainerNodeSpec(String hostName) {
try {
GetNodesResponse.Node nodeResponse = configServerApi.get("/nodes/v2/node/" + hostName,
GetNodesResponse.Node.class);
if (nodeResponse == null) {
return Optional.empty();
}
return Optional.of(createContainerNodeSpec(nodeResponse));
} catch (HttpException.NotFoundException e) {
return Optional.empty();
}
}
@Override
public List<ContainerAclSpec> getContainerAclSpecs(String hostName) {
try {
final String path = String.format("/nodes/v2/acl/%s?children=true", hostName);
final GetAclResponse response = configServerApi.get(path, GetAclResponse.class);
return response.trustedNodes.stream()
.map(node -> new ContainerAclSpec(
node.hostname, node.ipAddress, ContainerName.fromHostname(node.trustedBy)))
.collect(Collectors.toList());
} catch (HttpException.NotFoundException e) {
return Collections.emptyList();
}
}
private static ContainerNodeSpec createContainerNodeSpec(GetNodesResponse.Node node)
throws IllegalArgumentException, NullPointerException {
Objects.requireNonNull(node.nodeState, "Unknown node state");
Node.State nodeState = Node.State.valueOf(node.nodeState);
if (nodeState == Node.State.active) {
Objects.requireNonNull(node.wantedVespaVersion, "Unknown vespa version for active node");
Objects.requireNonNull(node.wantedDockerImage, "Unknown docker image for active node");
Objects.requireNonNull(node.wantedRestartGeneration, "Unknown wantedRestartGeneration for active node");
Objects.requireNonNull(node.currentRestartGeneration, "Unknown currentRestartGeneration for active node");
}
String hostName = Objects.requireNonNull(node.hostname, "hostname is null");
ContainerNodeSpec.Owner owner = null;
if (node.owner != null) {
owner = new ContainerNodeSpec.Owner(node.owner.tenant, node.owner.application, node.owner.instance);
}
ContainerNodeSpec.Membership membership = null;
if (node.membership != null) {
membership = new ContainerNodeSpec.Membership(node.membership.clusterType, node.membership.clusterId,
node.membership.group, node.membership.index, node.membership.retired);
}
return new ContainerNodeSpec(
hostName,
Optional.ofNullable(node.wantedDockerImage).map(DockerImage::new),
Optional.ofNullable(node.currentDockerImage).map(DockerImage::new),
nodeState,
node.nodeType,
node.nodeFlavor,
node.nodeCanonicalFlavor,
Optional.ofNullable(node.wantedVespaVersion),
Optional.ofNullable(node.vespaVersion),
Optional.ofNullable(owner),
Optional.ofNullable(membership),
Optional.ofNullable(node.wantedRestartGeneration),
Optional.ofNullable(node.currentRestartGeneration),
Optional.ofNullable(node.wantedRebootGeneration),
Optional.ofNullable(node.currentRestartGeneration),
node.minCpuCores,
node.minMainMemoryAvailableGb,
node.minDiskAvailableGb,
node.fastDisk,
node.ipAddresses,
Optional.ofNullable(node.hardwareDivergence));
}
@Override
public void updateNodeAttributes(final String hostName, final NodeAttributes nodeAttributes) {
UpdateNodeAttributesResponse response = configServerApi.patch(
"/nodes/v2/node/" + hostName,
new UpdateNodeAttributesRequestBody(nodeAttributes),
UpdateNodeAttributesResponse.class);
if (response.errorCode == null || response.errorCode.isEmpty()) {
return;
}
throw new RuntimeException("Unexpected message " + response.message + " " + response.errorCode);
}
@Override
public void markAsDirty(String hostName) {
// This will never happen once the new allocation scheme is rolled out.
markNodeToState(hostName, Node.State.dirty.name());
}
@Override
public void markNodeAvailableForNewAllocation(final String hostName) {
// TODO replace with call to delete node when everything has been migrated to dynamic docker allocation
markNodeToState(hostName, "availablefornewallocations");
}
private void markNodeToState(String hostName, String state) {
NodeMessageResponse response = configServerApi.put(
"/nodes/v2/state/" + state + "/" + hostName,
Optional.empty(), /* body */
NodeMessageResponse.class);
NODE_ADMIN_LOGGER.info(response.message);
if (response.errorCode == null || response.errorCode.isEmpty()) {
return;
}
throw new RuntimeException("Unexpected message " + response.message + " " + response.errorCode);
}
}
|
