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
|
// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.orchestrator.resources;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.container.jaxrs.annotation.Component;
import com.yahoo.jrt.slobrok.api.Mirror;
import com.yahoo.vespa.applicationmodel.ApplicationInstance;
import com.yahoo.vespa.applicationmodel.ApplicationInstanceReference;
import com.yahoo.vespa.applicationmodel.ClusterId;
import com.yahoo.vespa.applicationmodel.ConfigId;
import com.yahoo.vespa.applicationmodel.HostName;
import com.yahoo.vespa.applicationmodel.ServiceStatus;
import com.yahoo.vespa.applicationmodel.ServiceType;
import com.yahoo.vespa.orchestrator.InstanceLookupService;
import com.yahoo.vespa.orchestrator.OrchestratorUtil;
import com.yahoo.vespa.orchestrator.restapi.wire.SlobrokEntryResponse;
import com.yahoo.vespa.orchestrator.status.HostStatus;
import com.yahoo.vespa.orchestrator.status.StatusService;
import com.yahoo.vespa.service.monitor.SlobrokApi;
import javax.inject.Inject;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import static com.yahoo.vespa.orchestrator.OrchestratorUtil.getHostStatusMap;
import static com.yahoo.vespa.orchestrator.OrchestratorUtil.getHostsUsedByApplicationInstance;
import static com.yahoo.vespa.orchestrator.OrchestratorUtil.parseAppInstanceReference;
/**
* Provides a read-only API for looking into the current state as seen by the Orchestrator.
* This API can be unstable and is not meant to be used programmatically.
*
* @author andreer
* @author bakksjo
*/
@Path("/v1/instances")
public class InstanceResource {
public static final String DEFAULT_SLOBROK_PATTERN = "**";
private final StatusService statusService;
private final SlobrokApi slobrokApi;
private final InstanceLookupService instanceLookupService;
@Inject
public InstanceResource(@Component InstanceLookupService instanceLookupService,
@Component StatusService statusService,
@Component SlobrokApi slobrokApi) {
this.instanceLookupService = instanceLookupService;
this.statusService = statusService;
this.slobrokApi = slobrokApi;
}
@GET
@Produces(MediaType.APPLICATION_JSON)
public Set<ApplicationInstanceReference> getAllInstances() {
return instanceLookupService.knownInstances();
}
@GET
@Path("/{instanceId}")
@Produces(MediaType.APPLICATION_JSON)
public InstanceStatusResponse getInstance(@PathParam("instanceId") String instanceIdString) {
ApplicationInstanceReference instanceId = parseInstanceId(instanceIdString);
ApplicationInstance applicationInstance
= instanceLookupService.findInstanceById(instanceId)
.orElseThrow(() -> new WebApplicationException(Response.status(Response.Status.NOT_FOUND).build()));
Set<HostName> hostsUsedByApplicationInstance = getHostsUsedByApplicationInstance(applicationInstance);
Map<HostName, HostStatus> hostStatusMap = getHostStatusMap(hostsUsedByApplicationInstance,
statusService.forApplicationInstance(instanceId));
Map<HostName, String> hostStatusStringMap = OrchestratorUtil.mapValues(hostStatusMap, HostStatus::name);
return InstanceStatusResponse.create(applicationInstance, hostStatusStringMap);
}
@GET
@Path("/{instanceId}/slobrok")
@Produces(MediaType.APPLICATION_JSON)
public List<SlobrokEntryResponse> getSlobrokEntries(
@PathParam("instanceId") String instanceId,
@QueryParam("pattern") String pattern) {
ApplicationInstanceReference reference = parseInstanceId(instanceId);
ApplicationId applicationId = OrchestratorUtil.toApplicationId(reference);
if (pattern == null) {
pattern = DEFAULT_SLOBROK_PATTERN;
}
List<Mirror.Entry> entries = slobrokApi.lookup(applicationId, pattern);
return entries.stream()
.map(entry -> new SlobrokEntryResponse(entry.getName(), entry.getSpec()))
.collect(Collectors.toList());
}
@GET
@Path("/{instanceId}/serviceStatus")
@Produces(MediaType.APPLICATION_JSON)
public ServiceStatus getServiceStatus(
@PathParam("instanceId") String instanceId,
@QueryParam("clusterId") String clusterIdString,
@QueryParam("serviceType") String serviceTypeString,
@QueryParam("configId") String configIdString) {
ApplicationInstanceReference reference = parseInstanceId(instanceId);
ApplicationId applicationId = OrchestratorUtil.toApplicationId(reference);
if (clusterIdString == null) {
throwBadRequest("Missing clusterId query parameter");
}
if (serviceTypeString == null) {
throwBadRequest("Missing serviceType query parameter");
}
if (configIdString == null) {
throwBadRequest("Missing configId query parameter");
}
ClusterId clusterId = new ClusterId(clusterIdString);
ServiceType serviceType = new ServiceType(serviceTypeString);
ConfigId configId = new ConfigId(configIdString);
return slobrokApi.getStatus(applicationId, clusterId, serviceType, configId);
}
static ApplicationInstanceReference parseInstanceId(String instanceIdString) {
try {
return parseAppInstanceReference(instanceIdString);
} catch (IllegalArgumentException e) {
throwBadRequest(e.getMessage());
return null; // Necessary for compiler
}
}
static void throwBadRequest(String message) {
throw new WebApplicationException(
Response.status(Response.Status.BAD_REQUEST).entity(message).build());
}
}
|
