Examples with FunctionEvaluatorContext org.alien4cloud.tosca.utils.FunctionEvaluatorContext used on opensource projects

Example 1 with FunctionEvaluatorContext

use of org.alien4cloud.tosca.utils.FunctionEvaluatorContext in project alien4cloud by alien4cloud.

the class InputsModifier method process.

@Override
public void process(Topology topology, FlowExecutionContext context) {
    EnvironmentContext environmentContext = context.getEnvironmentContext().orElseThrow(() -> new IllegalArgumentException("Input modifier requires an environment context."));
    ApplicationEnvironment environment = environmentContext.getEnvironment();
    DeploymentInputs deploymentInputs = context.getConfiguration(DeploymentInputs.class, InputsModifier.class.getSimpleName()).orElse(new DeploymentInputs(environment.getTopologyVersion(), environment.getId()));
    if (deploymentInputs.getInputs() == null) {
        deploymentInputs.setInputs(Maps.newHashMap());
    }
    Map<String, Location> locations = (Map<String, Location>) context.getExecutionCache().get(FlowExecutionContext.DEPLOYMENT_LOCATIONS_MAP_CACHE_KEY);
    Map<String, PropertyValue> applicationInputs = inputService.getAppContextualInputs(context.getEnvironmentContext().get().getApplication(), topology.getInputs());
    Map<String, PropertyValue> locationInputs = inputService.getLocationContextualInputs(locations, topology.getInputs());
    // If the initial topology or any modifier configuration has changed since last inputs update then we refresh inputs.
    if (deploymentInputs.getLastUpdateDate() == null || deploymentInputs.getLastUpdateDate().before(context.getLastFlowParamUpdate())) {
        // FIXME exclude the application and location provided inputs from this method as it process them...
        boolean updated = deploymentInputService.synchronizeInputs(topology.getInputs(), deploymentInputs.getInputs());
        if (updated) {
            // save the config if changed. This is for ex, if an input has been deleted from the topology
            context.saveConfiguration(deploymentInputs);
        }
    }
    PreconfiguredInputsConfiguration preconfiguredInputsConfiguration = context.getConfiguration(PreconfiguredInputsConfiguration.class, InputsModifier.class.getSimpleName()).orElseThrow(() -> new IllegalStateException("PreconfiguredInputsConfiguration must be in the context"));
    Map<String, AbstractPropertyValue> inputValues = Maps.newHashMap(deploymentInputs.getInputs());
    inputValues.putAll(applicationInputs);
    inputValues.putAll(locationInputs);
    inputValues.putAll(preconfiguredInputsConfiguration.getInputs());
    // Now that we have inputs ready let's process get_input functions in the topology to actually replace values.
    if (topology.getNodeTemplates() != null) {
        FunctionEvaluatorContext evaluatorContext = new FunctionEvaluatorContext(topology, inputValues);
        for (Entry<String, NodeTemplate> entry : topology.getNodeTemplates().entrySet()) {
            NodeTemplate nodeTemplate = entry.getValue();
            processGetInput(evaluatorContext, nodeTemplate, nodeTemplate.getProperties());
            if (nodeTemplate.getRelationships() != null) {
                for (Entry<String, RelationshipTemplate> relEntry : nodeTemplate.getRelationships().entrySet()) {
                    RelationshipTemplate relationshipTemplate = relEntry.getValue();
                    processGetInput(evaluatorContext, relationshipTemplate, relationshipTemplate.getProperties());
                }
            }
            if (nodeTemplate.getCapabilities() != null) {
                for (Entry<String, Capability> capaEntry : nodeTemplate.getCapabilities().entrySet()) {
                    Capability capability = capaEntry.getValue();
                    processGetInput(evaluatorContext, nodeTemplate, capability.getProperties());
                }
            }
            if (nodeTemplate.getRequirements() != null) {
                for (Entry<String, Requirement> requirementEntry : nodeTemplate.getRequirements().entrySet()) {
                    Requirement requirement = requirementEntry.getValue();
                    processGetInput(evaluatorContext, nodeTemplate, requirement.getProperties());
                }
            }
        }
    }
}