@Test
public void testPartialErrorScenarioInSystemStatus() throws Throwable {
Status readyStatus = new Status(StatusType.READY);
setMessageAndStats(readyStatus);
Status initializingStatus = new Status(StatusType.INITIALIZING);
setMessageAndStats(initializingStatus);
Status errorStatus = new Status(StatusType.ERROR);
setMessageAndStats(errorStatus);
mockAllClientsToReturnSameStatus(readyStatus);
when(housekeeperClients.get(0).getStatus()).thenReturn(readyStatus);
when(housekeeperClients.get(1).getStatus()).thenReturn(initializingStatus);
when(housekeeperClients.get(2).getStatus()).thenReturn(errorStatus);
SystemStatus systemStatus = client.getSystemStatus();
assertThat(systemStatus.getComponents().size(), is(statusConfig.getComponents().size()));
assertThat(systemStatus.getStatus(), is(StatusType.PARTIAL_ERROR));
List<ComponentStatus> compStatuses = systemStatus.getComponents();
for (ComponentStatus status : compStatuses) {
if (status.getComponent().equals(Component.HOUSEKEEPER)) {
assertThat(status.getStatus(), is(StatusType.PARTIAL_ERROR));
assertThat(status.getStats().get(StatusType.READY.toString()), is("1"));
assertThat(status.getStats().get(StatusType.INITIALIZING.toString()), is("1"));
assertThat(status.getStats().get(StatusType.ERROR.toString()), is("1"));
} else {
assertThat(status.getStatus(), is(StatusType.READY));
assertThat(status.getStats().get(StatusType.READY.toString()), is("3"));
}
}
}
@Test
public void testAllComponents() throws Throwable {
Status readyStatus = new Status(StatusType.READY);
setMessageAndStats(readyStatus);
mockAllClientsToReturnSameStatus(readyStatus);
SystemStatus systemStatus = client.getSystemStatus();
assertThat(systemStatus.getComponents().size(), is(statusConfig.getComponents().size()));
assertThat(systemStatus.getStatus(), is(StatusType.READY));
}
@Test
public void testPartialErrorWithDifferentNumOfInstances() throws Throwable {
Status readyStatus = new Status(StatusType.READY);
setMessageAndStats(readyStatus);
Status initializingStatus = new Status(StatusType.INITIALIZING);
setMessageAndStats(initializingStatus);
Status errorStatus = new Status(StatusType.ERROR);
setMessageAndStats(errorStatus);
when(chairmanServerSet.getServers()).thenReturn(singleInstanceServerSets.get(0).getServers());
when(rootSchedulerServerSet.getServers())
.thenReturn(singleInstanceServerSets.get(1).getServers());
mockAllClientsToReturnSameStatus(readyStatus);
when(housekeeperClients.get(0).getStatus()).thenReturn(readyStatus);
when(housekeeperClients.get(1).getStatus()).thenReturn(initializingStatus);
when(housekeeperClients.get(2).getStatus()).thenReturn(errorStatus);
SystemStatus systemStatus = client.getSystemStatus();
assertThat(systemStatus.getComponents().size(), is(statusConfig.getComponents().size()));
assertThat(systemStatus.getStatus(), is(StatusType.PARTIAL_ERROR));
List<ComponentStatus> compStatuses = systemStatus.getComponents();
for (ComponentStatus status : compStatuses) {
if (status.getComponent().equals(Component.HOUSEKEEPER)) {
assertThat(status.getStatus(), is(StatusType.PARTIAL_ERROR));
assertThat(status.getStats().get(StatusType.READY.toString()), is("1"));
assertThat(status.getStats().get(StatusType.INITIALIZING.toString()), is("1"));
assertThat(status.getStats().get(StatusType.ERROR.toString()), is("1"));
} else if (status.getComponent().equals(Component.CHAIRMAN)
|| status.getComponent().equals(Component.ROOT_SCHEDULER)) {
assertThat(status.getStatus(), is(StatusType.READY));
assertThat(status.getStats().get(StatusType.READY.toString()), is("1"));
} else {
assertThat(status.getStatus(), is(StatusType.READY));
assertThat(status.getStats().get(StatusType.READY.toString()), is("3"));
}
}
}
@Test
public void testAllInstancesInErrorState() throws Throwable {
Status readyStatus = new Status(StatusType.READY);
setMessageAndStats(readyStatus);
Status initializingStatus = new Status(StatusType.INITIALIZING);
setMessageAndStats(initializingStatus);
Status errorStatus = new Status(StatusType.ERROR);
setMessageAndStats(errorStatus);
mockAllClientsToReturnSameStatus(errorStatus);
SystemStatus systemStatus = client.getSystemStatus();
assertThat(systemStatus.getComponents().size(), is(statusConfig.getComponents().size()));
assertThat(systemStatus.getStatus(), is(StatusType.ERROR));
List<ComponentStatus> compStatuses = systemStatus.getComponents();
for (ComponentStatus status : compStatuses) {
assertThat(status.getStatus(), is(StatusType.ERROR));
assertThat(status.getStats().get(StatusType.ERROR.toString()), is("3"));
}
}
@Test
public void testEmptyServerSet() throws Throwable {
Status readyStatus = new Status(StatusType.READY);
setMessageAndStats(readyStatus);
when(deployerServerSet.getServers()).thenReturn(new HashSet<>());
mockAllClientsToReturnSameStatus(readyStatus);
SystemStatus systemStatus = client.getSystemStatus();
assertThat(systemStatus.getComponents().size(), is(5));
assertThat(systemStatus.getStatus(), is(StatusType.ERROR));
ComponentStatus deployerComponent =
systemStatus
.getComponents()
.stream()
.filter(c -> Component.DEPLOYER.equals(c.getComponent()))
.findFirst()
.get();
assertThat(deployerComponent, notNullValue());
assertThat(deployerComponent.getStatus(), is(StatusType.UNREACHABLE));
assertThat(deployerComponent.getMessage(), is("Empty ServerSet"));
}