private void validateAllocatedContainers(boolean isReplicated, String containerTemplateLink)
throws Throwable {
QueryTask.Query kindClause =
new QueryTask.Query()
.setTermPropertyName(ServiceDocument.FIELD_NAME_KIND)
.setTermMatchValue(Utils.buildKind(ContainerService.State.class));
QueryTask.Query containerTemplateClause =
new QueryTask.Query()
.setTermPropertyName(
ContainerService.State.FIELD_NAME_CONTAINER_TEMPLATE_SERVICE_LINK)
.setTermMatchValue(containerTemplateLink);
QueryTask.QuerySpecification querySpecification = new QueryTask.QuerySpecification();
querySpecification.query.addBooleanClause(kindClause);
querySpecification.query.addBooleanClause(containerTemplateClause);
QueryTask query = QueryTask.create(querySpecification).setDirect(true);
NodeGroupBroadcastResponse queryResponse = testEnvironment.sendBroadcastQueryAndWait(query);
Set<String> documentLinks = QueryTaskUtils.getBroadcastQueryResults(queryResponse);
// Verify that count(replicas) == count(dockerVms) i.e. 1 container per vm
int expectedReplicaCount = isReplicated ? dockerVms.size() : 1;
assertThat(documentLinks.size(), is(expectedReplicaCount));
// Verify that each container was assigned to a unique docker vm
Set<String> uniqueVmLinks = new HashSet<>();
for (String documentLink : documentLinks) {
ContainerService.State state =
testEnvironment.getServiceState(documentLink, ContainerService.State.class);
uniqueVmLinks.add(state.vmServiceLink);
}
assertThat(uniqueVmLinks.size(), is(expectedReplicaCount));
}
@Test
public void testWaitForQuery() throws Throwable {
ExampleService exampleService = new ExampleService();
final ExampleService.ExampleServiceState exampleServiceState =
new ExampleService.ExampleServiceState();
exampleServiceState.name = UUID.randomUUID().toString();
QueryTask.Query kindClause =
new QueryTask.Query()
.setTermPropertyName(ServiceDocument.FIELD_NAME_KIND)
.setTermMatchValue(Utils.buildKind(ExampleService.ExampleServiceState.class));
QueryTask.Query nameClause =
new QueryTask.Query()
.setTermPropertyName("name")
.setTermMatchValue(exampleServiceState.name);
QueryTask.QuerySpecification spec = new QueryTask.QuerySpecification();
spec.query.addBooleanClause(kindClause);
spec.query.addBooleanClause(nameClause);
spec.options = EnumSet.of(QueryTask.QuerySpecification.QueryOption.EXPAND_CONTENT);
QueryTask query = QueryTask.create(spec).setDirect(true);
try {
host.waitForQuery(
query,
new Predicate<QueryTask>() {
@Override
public boolean test(QueryTask queryTask) {
return queryTask.results.documentLinks.size() > 0;
}
});
Assert.fail("waitForQuery should not have succeeded before documents are created");
} catch (RuntimeException runtimeException) {
assertThat(
runtimeException.getMessage(),
is(equalToIgnoringCase("timeout waiting for query result.")));
}
Operation post = host.startServiceSynchronously(exampleService, exampleServiceState);
assertThat(post.getStatusCode(), is(200));
ExampleService.ExampleServiceState result =
host.getServiceState(ExampleService.ExampleServiceState.class);
assertThat(result.name, is(exampleServiceState.name));
QueryTask response =
host.waitForQuery(
query,
new Predicate<QueryTask>() {
@Override
public boolean test(QueryTask queryTask) {
return queryTask.results.documentLinks.size() > 0;
}
});
assertThat(response.results.documentLinks.size(), is(1));
// verify fields are passed down correctly
for (Map.Entry<String, Object> document : response.results.documents.entrySet()) {
ExampleService.ExampleServiceState docState =
Utils.fromJson(document.getValue(), ExampleService.ExampleServiceState.class);
assertThat(docState.name, is(equalTo(exampleServiceState.name)));
}
}