Examples with Flow2Handler com.sequenceiq.flow.core.Flow2Handler used on opensource projects

Example 1 with Flow2Handler

use of com.sequenceiq.flow.core.Flow2Handler in project cloudbreak by hortonworks.

the class HeartbeatServiceTest method testOneNodeTakesAllFlowsWithTerminationFlowShouldBeDistributed.

@Test
public void testOneNodeTakesAllFlowsWithTerminationFlowShouldBeDistributed() {
    List<Node> clusterNodes = getClusterNodes();
    // myself
    clusterNodes.get(0).setLastUpdated(200_000L);
    // set all nodes to failed except myself
    for (int i = 1; i < clusterNodes.size(); i++) {
        Node node = clusterNodes.get(i);
        node.setLastUpdated(50_000L);
    }
    when(nodeService.findAll()).thenReturn(clusterNodes);
    when(clock.getCurrentTimeMillis()).thenReturn(200_000L);
    // all flows that need to be re-distributed
    List<FlowLog> node1FlowLogs = getFlowLogs(2, 5000);
    node1FlowLogs.forEach(fl -> fl.setFlowType(ClassValue.of(HelloWorldFlowConfig.class)));
    List<String> suspendedFlows = node1FlowLogs.stream().map(FlowLog::getFlowId).distinct().collect(Collectors.toList());
    when(flowLogService.findAllByCloudbreakNodeId(NODE_1_ID)).thenReturn(new HashSet<>(node1FlowLogs));
    Set<FlowLog> node2FlowLogs = new HashSet<>(getFlowLogs(3, 3000));
    node2FlowLogs.forEach(fl -> fl.setFlowType(ClassValue.of(HelloWorldFlowConfig.class)));
    suspendedFlows.addAll(node2FlowLogs.stream().map(FlowLog::getFlowId).distinct().collect(Collectors.toList()));
    when(flowLogService.findAllByCloudbreakNodeId(NODE_2_ID)).thenReturn(node2FlowLogs);
    Map<Node, List<String>> distribution = new HashMap<>();
    distribution.computeIfAbsent(clusterNodes.get(0), v -> new ArrayList<>()).addAll(Arrays.asList(suspendedFlows.get(0), suspendedFlows.get(1), suspendedFlows.get(2), suspendedFlows.get(3), suspendedFlows.get(4)));
    when(flowDistributor.distribute(any(), any())).thenReturn(distribution);
    Set<FlowLog> myNewFlowLogs = new HashSet<>();
    myNewFlowLogs.addAll(node1FlowLogs);
    myNewFlowLogs.addAll(node2FlowLogs);
    when(flowLogService.findAllByCloudbreakNodeId(MY_ID)).thenReturn(myNewFlowLogs);
    when(runningFlows.get(any())).thenReturn(null);
    List<Long> stackIds = myNewFlowLogs.stream().map(FlowLog::getResourceId).distinct().collect(Collectors.toList());
    when(haApplication.getDeletingResources(anySet())).thenReturn(Set.of(stackIds.get(0), stackIds.get(2)));
    doReturn(Collections.singletonList(HelloWorldFlowConfig.class)).when(applicationFlowInformation).getTerminationFlow();
    heartbeatService.scheduledFlowDistribution();
    verify(flowLogService).saveAll(flowLogListCaptor.capture());
    List<FlowLog> updatedFlows = flowLogListCaptor.getValue();
    assertEquals(myNewFlowLogs.size(), updatedFlows.size());
    for (FlowLog updatedFlow : updatedFlows) {
        assertEquals(MY_ID, updatedFlow.getCloudbreakNodeId());
    }
    verify(flow2Handler, times(5)).restartFlow(stringCaptor.capture());
    List<String> allFlowIds = stringCaptor.getAllValues();
    assertEquals(5L, allFlowIds.size());
    for (String flowId : suspendedFlows) {
        assertTrue(allFlowIds.contains(flowId));
    }
}

Example 2 with Flow2Handler

use of com.sequenceiq.flow.core.Flow2Handler in project cloudbreak by hortonworks.

the class HeartbeatServiceTest method testDistributionConcurrency.

@Test
public void testDistributionConcurrency() {
    List<Node> clusterNodes = getClusterNodes();
    // myself
    clusterNodes.get(0).setLastUpdated(200_000L);
    // failed node
    clusterNodes.get(1).setLastUpdated(50_000L);
    // active node
    clusterNodes.get(2).setLastUpdated(200_000L);
    when(nodeService.findAll()).thenReturn(clusterNodes);
    when(clock.getCurrentTimeMillis()).thenReturn(200_000L);
    // all flows that need to be re-distributed
    List<FlowLog> node1FlowLogs = getFlowLogs(3, 5000);
    List<String> suspendedFlows = node1FlowLogs.stream().map(FlowLog::getFlowId).distinct().collect(Collectors.toList());
    when(flowLogService.findAllByCloudbreakNodeId(NODE_1_ID)).thenReturn(new HashSet<>(node1FlowLogs));
    Map<Node, List<String>> distribution = new HashMap<>();
    distribution.computeIfAbsent(clusterNodes.get(0), v -> new ArrayList<>()).addAll(Arrays.asList(suspendedFlows.get(0), suspendedFlows.get(2)));
    distribution.computeIfAbsent(clusterNodes.get(2), v -> new ArrayList<>()).addAll(Collections.singletonList(suspendedFlows.get(1)));
    when(flowDistributor.distribute(any(), any())).thenReturn(distribution);
    Set<FlowLog> myNewFlowLogs = new HashSet<>();
    myNewFlowLogs.addAll(node1FlowLogs.stream().filter(fl -> fl.getFlowId().equalsIgnoreCase(suspendedFlows.get(0))).collect(Collectors.toList()));
    myNewFlowLogs.addAll(node1FlowLogs.stream().filter(fl -> fl.getFlowId().equalsIgnoreCase(suspendedFlows.get(2))).collect(Collectors.toList()));
    when(flowLogService.findAllByCloudbreakNodeId(MY_ID)).thenReturn(myNewFlowLogs);
    when(runningFlows.get(any())).thenReturn(null);
    when(flowLogService.saveAll(anyCollection())).thenThrow(new OptimisticLockingFailureException("Someone already distributed the flows.."));
    heartbeatService.scheduledFlowDistribution();
    verify(flow2Handler, times(2)).restartFlow(stringCaptor.capture());
    List<String> allFlowIds = stringCaptor.getAllValues();
    assertEquals(2L, allFlowIds.size());
    for (FlowLog flowLog : myNewFlowLogs) {
        assertTrue(allFlowIds.contains(flowLog.getFlowId()));
    }
}

Example 3 with Flow2Handler

use of com.sequenceiq.flow.core.Flow2Handler in project cloudbreak by hortonworks.

the class HeartbeatServiceTest method testOneNodeTakesAllFlowsWithInvalidFlows.

@Test
public void testOneNodeTakesAllFlowsWithInvalidFlows() {
    List<Node> clusterNodes = getClusterNodes();
    // myself
    clusterNodes.get(0).setLastUpdated(200_000L);
    // set all nodes to failed except myself
    for (int i = 1; i < clusterNodes.size(); i++) {
        Node node = clusterNodes.get(i);
        node.setLastUpdated(50_000L);
    }
    when(nodeService.findAll()).thenReturn(clusterNodes);
    when(clock.getCurrentTimeMillis()).thenReturn(200_000L);
    // all flows that need to be re-distributed
    List<FlowLog> node1FlowLogs = getFlowLogs(2, 5000);
    List<String> suspendedFlows = node1FlowLogs.stream().map(FlowLog::getFlowId).distinct().collect(Collectors.toList());
    when(flowLogService.findAllByCloudbreakNodeId(NODE_1_ID)).thenReturn(new HashSet<>(node1FlowLogs));
    Set<FlowLog> node2FlowLogs = new HashSet<>(getFlowLogs(3, 3000));
    suspendedFlows.addAll(node2FlowLogs.stream().map(FlowLog::getFlowId).distinct().collect(Collectors.toList()));
    when(flowLogService.findAllByCloudbreakNodeId(NODE_2_ID)).thenReturn(node2FlowLogs);
    Map<Node, List<String>> distribution = new HashMap<>();
    distribution.computeIfAbsent(clusterNodes.get(0), v -> new ArrayList<>()).addAll(Arrays.asList(suspendedFlows.get(0), suspendedFlows.get(1), suspendedFlows.get(2), suspendedFlows.get(3), suspendedFlows.get(4)));
    when(flowDistributor.distribute(any(), any())).thenReturn(distribution);
    Set<FlowLog> myNewFlowLogs = new HashSet<>();
    myNewFlowLogs.addAll(node1FlowLogs);
    myNewFlowLogs.addAll(node2FlowLogs);
    when(flowLogService.findAllByCloudbreakNodeId(MY_ID)).thenReturn(myNewFlowLogs);
    when(runningFlows.get(any())).thenReturn(null);
    List<Long> stackIds = myNewFlowLogs.stream().map(FlowLog::getResourceId).distinct().collect(Collectors.toList());
    when(haApplication.getDeletingResources(anySet())).thenReturn(Set.of(stackIds.get(0), stackIds.get(2)));
    doReturn(Collections.singletonList(HelloWorldFlowConfig.class)).when(applicationFlowInformation).getTerminationFlow();
    List<FlowLog> invalidFlowLogs = myNewFlowLogs.stream().filter(fl -> fl.getResourceId().equals(stackIds.get(0)) || fl.getResourceId().equals(stackIds.get(2))).collect(Collectors.toList());
    heartbeatService.scheduledFlowDistribution();
    verify(flowLogService).saveAll(flowLogListCaptor.capture());
    List<FlowLog> updatedFlows = flowLogListCaptor.getValue();
    assertEquals(myNewFlowLogs.size(), updatedFlows.size());
    for (FlowLog updatedFlow : updatedFlows) {
        if (invalidFlowLogs.contains(updatedFlow)) {
            assertEquals(StateStatus.SUCCESSFUL, updatedFlow.getStateStatus());
            assertNull(updatedFlow.getCloudbreakNodeId());
        } else {
            assertEquals(MY_ID, updatedFlow.getCloudbreakNodeId());
        }
    }
    verify(flow2Handler, times(5)).restartFlow(stringCaptor.capture());
    List<String> allFlowIds = stringCaptor.getAllValues();
    assertEquals(5L, allFlowIds.size());
    for (String flowId : suspendedFlows) {
        assertTrue(allFlowIds.contains(flowId));
    }
}

Example 4 with Flow2Handler

use of com.sequenceiq.flow.core.Flow2Handler in project cloudbreak by hortonworks.

the class HeartbeatServiceTest method testDistributionConcurrencyWithDifferentFlows.

@Test
public void testDistributionConcurrencyWithDifferentFlows() {
    List<Node> clusterNodes = getClusterNodes();
    // myself
    clusterNodes.get(0).setLastUpdated(200_000L);
    // failed node
    clusterNodes.get(1).setLastUpdated(50_000L);
    // active node
    clusterNodes.get(2).setLastUpdated(200_000L);
    when(nodeService.findAll()).thenReturn(clusterNodes);
    when(clock.getCurrentTimeMillis()).thenReturn(200_000L);
    // all flows that need to be re-distributed
    List<FlowLog> node1FlowLogs = getFlowLogs(3, 5000);
    List<String> suspendedFlows = node1FlowLogs.stream().map(FlowLog::getFlowId).distinct().collect(Collectors.toList());
    when(flowLogService.findAllByCloudbreakNodeId(NODE_1_ID)).thenReturn(new HashSet<>(node1FlowLogs));
    Map<Node, List<String>> distribution = new HashMap<>();
    distribution.computeIfAbsent(clusterNodes.get(0), v -> new ArrayList<>()).addAll(Arrays.asList(suspendedFlows.get(0), suspendedFlows.get(2)));
    distribution.computeIfAbsent(clusterNodes.get(2), v -> new ArrayList<>()).addAll(Collections.singletonList(suspendedFlows.get(1)));
    when(flowDistributor.distribute(any(), any())).thenReturn(distribution);
    List<FlowLog> myNewFlowLogs = node1FlowLogs.stream().filter(fl -> fl.getFlowId().equalsIgnoreCase(suspendedFlows.get(0))).collect(Collectors.toList());
    when(flowLogService.findAllByCloudbreakNodeId(MY_ID)).thenReturn(new HashSet<>(myNewFlowLogs));
    when(runningFlows.get(any())).thenReturn(null);
    when(flowLogService.saveAll(anyCollection())).thenThrow(new OptimisticLockingFailureException("Someone already distributed the flows.."));
    heartbeatService.scheduledFlowDistribution();
    verify(flow2Handler, times(1)).restartFlow(stringCaptor.capture());
    List<String> allFlowIds = stringCaptor.getAllValues();
    assertEquals(1L, allFlowIds.size());
    for (FlowLog flowLog : myNewFlowLogs) {
        assertTrue(allFlowIds.contains(flowLog.getFlowId()));
    }
}

Example 5 with Flow2Handler

use of com.sequenceiq.flow.core.Flow2Handler in project cloudbreak by hortonworks.

the class HeartbeatServiceTest method testOneNodeTakesAllFlows.

@Test
public void testOneNodeTakesAllFlows() {
    List<Node> clusterNodes = getClusterNodes();
    // myself
    clusterNodes.get(0).setLastUpdated(200_000L);
    // set all nodes to failed except myself
    for (int i = 1; i < clusterNodes.size(); i++) {
        Node node = clusterNodes.get(i);
        node.setLastUpdated(50_000L);
    }
    when(nodeService.findAll()).thenReturn(clusterNodes);
    when(clock.getCurrentTimeMillis()).thenReturn(200_000L);
    // all flows that need to be re-distributed
    List<FlowLog> node1FlowLogs = getFlowLogs(2, 5000);
    List<String> suspendedFlows = node1FlowLogs.stream().map(FlowLog::getFlowId).distinct().collect(Collectors.toList());
    when(flowLogService.findAllByCloudbreakNodeId(NODE_1_ID)).thenReturn(new HashSet<>(node1FlowLogs));
    Set<FlowLog> node2FlowLogs = new HashSet<>(getFlowLogs(3, 3000));
    suspendedFlows.addAll(node2FlowLogs.stream().map(FlowLog::getFlowId).distinct().collect(Collectors.toList()));
    when(flowLogService.findAllByCloudbreakNodeId(NODE_2_ID)).thenReturn(node2FlowLogs);
    Map<Node, List<String>> distribution = new HashMap<>();
    distribution.computeIfAbsent(clusterNodes.get(0), v -> new ArrayList<>()).addAll(Arrays.asList(suspendedFlows.get(0), suspendedFlows.get(1), suspendedFlows.get(2), suspendedFlows.get(3), suspendedFlows.get(4)));
    when(flowDistributor.distribute(any(), any())).thenReturn(distribution);
    Set<FlowLog> myNewFlowLogs = new HashSet<>();
    myNewFlowLogs.addAll(node1FlowLogs);
    myNewFlowLogs.addAll(node2FlowLogs);
    when(flowLogService.findAllByCloudbreakNodeId(MY_ID)).thenReturn(myNewFlowLogs);
    when(runningFlows.get(any())).thenReturn(null);
    heartbeatService.scheduledFlowDistribution();
    verify(flowLogService).saveAll(flowLogListCaptor.capture());
    List<FlowLog> updatedFlows = flowLogListCaptor.getValue();
    assertEquals(myNewFlowLogs.size(), updatedFlows.size());
    for (FlowLog updatedFlow : updatedFlows) {
        assertEquals(MY_ID, updatedFlow.getCloudbreakNodeId());
    }
    verify(flow2Handler, times(5)).restartFlow(stringCaptor.capture());
    List<String> allFlowIds = stringCaptor.getAllValues();
    assertEquals(5L, allFlowIds.size());
    for (String flowId : suspendedFlows) {
        assertTrue(allFlowIds.contains(flowId));
    }
}