Examples with WorkflowStep org.alien4cloud.tosca.model.workflow.WorkflowStep used on opensource projects

Example 1 with WorkflowStep

use of org.alien4cloud.tosca.model.workflow.WorkflowStep in project yorc-a4c-plugin by ystia.

the class OpenStackBSComputeWFModifier method doProcess.

private void doProcess(Topology topology, FlowExecutionContext context) {
    Csar csar = new Csar(topology.getArchiveName(), topology.getArchiveVersion());
    Workflow installWF = topology.getWorkflows().get("install");
    Workflow uninstallWF = topology.getWorkflows().get("uninstall");
    Set<NodeTemplate> bsSet = TopologyNavigationUtil.getNodesOfType(topology, YORC_OPENSTACK_BS_TYPE, true);
    // Let's process all BS
    bsSet.forEach(bs -> safe(bs.getRelationships()).forEach((rn, rt) -> {
        if ("tosca.capabilities.Attachment".equals(rt.getRequirementType())) {
            // Attachment found
            context.getLog().info("Found a BlockStorage <{}> with an attachment on <{}>. Let's swap their workflow steps to match Yorc " + "expectations.", bs.getName(), rt.getTarget());
            String computeNodeName = rt.getTarget();
            // Now lets locate corresponding wf steps in install wf
            for (Map.Entry<String, WorkflowStep> workflowStepEntry : installWF.getSteps().entrySet()) {
                if (workflowStepEntry.getValue().getTarget().equals(bs.getName())) {
                    for (String precedingStepName : workflowStepEntry.getValue().getPrecedingSteps()) {
                        WorkflowStep precedingStep = installWF.getSteps().get(precedingStepName);
                        if (precedingStep.getTarget().equals(computeNodeName)) {
                            // We do not use swap operation here as it may mess up other workflow edges
                            // First remove the edge between steps
                            RemoveEdgeOperation removeEdgeOperation = new RemoveEdgeOperation();
                            removeEdgeOperation.setWorkflowName(installWF.getName());
                            removeEdgeOperation.setFromStepId(precedingStepName);
                            removeEdgeOperation.setToStepId(workflowStepEntry.getKey());
                            log.debug("Swapping {} with target {}", precedingStepName, workflowStepEntry.getKey());
                            removeEdgeProcessor.process(csar, topology, removeEdgeOperation);
                            // Then reconnect them in the right sequence
                            ConnectStepFromOperation connectStepFromOperation = new ConnectStepFromOperation();
                            connectStepFromOperation.setWorkflowName(installWF.getName());
                            connectStepFromOperation.setFromStepIds(new String[] { workflowStepEntry.getKey() });
                            connectStepFromOperation.setToStepId(precedingStepName);
                            connectStepFromProcessor.process(csar, topology, connectStepFromOperation);
                            break;
                        }
                    }
                    break;
                }
            }
            // Now lets locate corresponding wf steps in uninstall wf
            for (Map.Entry<String, WorkflowStep> workflowStepEntry : uninstallWF.getSteps().entrySet()) {
                if (workflowStepEntry.getValue().getTarget().equals(bs.getName())) {
                    for (String onSuccessStepName : workflowStepEntry.getValue().getOnSuccess()) {
                        WorkflowStep onSuccessStep = uninstallWF.getSteps().get(onSuccessStepName);
                        if (onSuccessStep.getTarget().equals(computeNodeName)) {
                            // We do not use swap operation here as it may mess up other workflow edges
                            // First remove the edge between steps
                            RemoveEdgeOperation removeEdgeOperation = new RemoveEdgeOperation();
                            removeEdgeOperation.setWorkflowName(uninstallWF.getName());
                            removeEdgeOperation.setFromStepId(workflowStepEntry.getKey());
                            removeEdgeOperation.setToStepId(onSuccessStepName);
                            log.debug("Swapping {} with target {}", onSuccessStepName, workflowStepEntry.getKey());
                            removeEdgeProcessor.process(csar, topology, removeEdgeOperation);
                            // Then reconnect them in the right sequence
                            ConnectStepFromOperation connectStepFromOperation = new ConnectStepFromOperation();
                            connectStepFromOperation.setWorkflowName(uninstallWF.getName());
                            connectStepFromOperation.setFromStepIds(new String[] { onSuccessStepName });
                            connectStepFromOperation.setToStepId(workflowStepEntry.getKey());
                            connectStepFromProcessor.process(csar, topology, connectStepFromOperation);
                            break;
                        }
                    }
                    break;
                }
            }
        // Start & Stop make no sense for those kind of nodes in Yorc as those operations are not implemented.
        // Do not change those WFs
        }
    }));
}

Example 2 with WorkflowStep

use of org.alien4cloud.tosca.model.workflow.WorkflowStep in project alien4cloud by alien4cloud.

the class CycleDetectionTest method testAutoCycle.

/**
 * <pre>
 *
 *        /--|
 *  a -- b   |
 *        \--|
 *
 * </pre>
 */
@Test()
public void testAutoCycle() {
    WorkflowStep a = wf.addStep(new SimpleStep("a"));
    WorkflowStep b = wf.addStep(new SimpleStep("b"));
    WorkflowUtils.linkSteps(a, b);
    WorkflowUtils.linkSteps(b, b);
    processValidation(true, 1);
}

Example 3 with WorkflowStep

use of org.alien4cloud.tosca.model.workflow.WorkflowStep in project alien4cloud by alien4cloud.

the class CycleDetectionTest method testOrphanCycle.

/**
 * <pre>
 *
 * o --- c --- d
 *
 *    --
 *   /  \
 *  a    b
 *   \  /
 *    --
 * </pre>
 */
@Test
public void testOrphanCycle() {
    WorkflowStep a = wf.addStep(new SimpleStep("a"));
    WorkflowStep b = wf.addStep(new SimpleStep("b"));
    WorkflowStep c = wf.addStep(new SimpleStep("c"));
    WorkflowStep d = wf.addStep(new SimpleStep("d"));
    WorkflowUtils.linkSteps(a, b);
    WorkflowUtils.linkSteps(b, a);
    WorkflowUtils.linkSteps(c, d);
    processValidation(true, 1);
}

Example 4 with WorkflowStep

use of org.alien4cloud.tosca.model.workflow.WorkflowStep in project alien4cloud by alien4cloud.

the class CycleDetectionTest method testForkJoinCycle.

/**
 * <pre>
 *      -- b
 *     /
 * a --      e
 *     \    /  \
 *      -- c -- d --
 * </pre>
 */
@Test()
public void testForkJoinCycle() {
    WorkflowStep a = wf.addStep(new SimpleStep("a"));
    WorkflowStep b = wf.addStep(new SimpleStep("b"));
    WorkflowStep c = wf.addStep(new SimpleStep("c"));
    WorkflowStep d = wf.addStep(new SimpleStep("d"));
    WorkflowStep e = wf.addStep(new SimpleStep("e"));
    WorkflowUtils.linkSteps(a, b);
    WorkflowUtils.linkSteps(a, c);
    WorkflowUtils.linkSteps(c, d);
    WorkflowUtils.linkSteps(d, e);
    WorkflowUtils.linkSteps(e, c);
    processValidation(true, 1);
}

Example 5 with WorkflowStep

use of org.alien4cloud.tosca.model.workflow.WorkflowStep in project alien4cloud by alien4cloud.

the class GraphPathsTest method testCycles.

@Test
public void testCycles() {
    Workflow wf = new Workflow();
    wf.setName(INSTALL);
    WorkflowStep a = wf.addStep(new SimpleStep("a"));
    WorkflowStep b = wf.addStep(new SimpleStep("b"));
    WorkflowStep c = wf.addStep(new SimpleStep("c"));
    WorkflowUtils.linkSteps(a, b);
    WorkflowUtils.linkSteps(b, c);
    WorkflowUtils.linkSteps(c, a);
    List<Path> paths = WorkflowGraphUtils.getWorkflowGraphCycles(wf);
    System.out.println(paths);
    Assert.assertEquals(1, paths.size());
    log.info(paths.toString());
}