2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 * SPDX-License-Identifier: Apache-2.0
20 * ============LICENSE_END=========================================================
23 package org.onap.policy.pdp.xacml.application.common.std;
25 import com.att.research.xacml.api.Identifier;
26 import com.att.research.xacml.api.Obligation;
27 import com.att.research.xacml.api.Request;
28 import com.att.research.xacml.api.XACML3;
29 import com.att.research.xacml.std.IdentifierImpl;
30 import com.att.research.xacml.util.XACMLPolicyWriter;
31 import java.io.ByteArrayOutputStream;
32 import java.io.IOException;
33 import java.nio.charset.StandardCharsets;
34 import java.nio.file.Files;
35 import java.nio.file.Path;
36 import java.nio.file.Paths;
37 import java.util.Arrays;
38 import java.util.Collection;
39 import java.util.HashMap;
40 import java.util.LinkedHashMap;
41 import java.util.LinkedList;
42 import java.util.List;
44 import java.util.Map.Entry;
46 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
47 import oasis.names.tc.xacml._3_0.core.schema.wd_17.EffectType;
48 import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
49 import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
50 import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
51 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
52 import org.apache.commons.lang3.tuple.Pair;
53 import org.onap.policy.common.endpoints.parameters.RestServerParameters;
54 import org.onap.policy.common.utils.coder.CoderException;
55 import org.onap.policy.common.utils.coder.StandardCoder;
56 import org.onap.policy.common.utils.coder.StandardYamlCoder;
57 import org.onap.policy.models.decisions.concepts.DecisionRequest;
58 import org.onap.policy.models.decisions.concepts.DecisionResponse;
59 import org.onap.policy.models.tosca.authorative.concepts.ToscaDataType;
60 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
61 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyType;
62 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
63 import org.onap.policy.models.tosca.authorative.concepts.ToscaProperty;
64 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
65 import org.onap.policy.pdp.xacml.application.common.OnapObligation;
66 import org.onap.policy.pdp.xacml.application.common.PolicyApiCaller;
67 import org.onap.policy.pdp.xacml.application.common.PolicyApiException;
68 import org.onap.policy.pdp.xacml.application.common.ToscaDictionary;
69 import org.onap.policy.pdp.xacml.application.common.ToscaPolicyConversionException;
70 import org.onap.policy.pdp.xacml.application.common.ToscaPolicyTranslatorUtils;
71 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
72 import org.slf4j.Logger;
73 import org.slf4j.LoggerFactory;
76 * This standard matchable translator uses Policy Types that contain "matchable" field in order
77 * to translate policies.
79 * @author pameladragosh
82 public class StdMatchableTranslator extends StdBaseTranslator {
84 private static final Logger LOGGER = LoggerFactory.getLogger(StdMatchableTranslator.class);
85 private static final StandardYamlCoder standardYamlCoder = new StandardYamlCoder();
87 private final Map<ToscaPolicyTypeIdentifier, ToscaServiceTemplate> matchablePolicyTypes = new HashMap<>();
89 private RestServerParameters apiRestParameters;
91 private Path pathForData;
93 public StdMatchableTranslator() {
98 public Request convertRequest(DecisionRequest request) {
99 LOGGER.info("Converting Request {}", request);
101 return StdMatchablePolicyRequest.createInstance(request);
102 } catch (XacmlApplicationException e) {
103 LOGGER.error("Failed to convert DecisionRequest: {}", e);
106 // TODO throw exception
112 * scanObligations - scans the list of obligations and make appropriate method calls to process
115 * @param obligations Collection of obligation objects
116 * @param decisionResponse DecisionResponse object used to store any results from obligations.
119 protected void scanObligations(Collection<Obligation> obligations, DecisionResponse decisionResponse) {
121 // Implementing a crude "closest match" on the results, which means we will strip out
122 // any policies that has the lower weight than any of the others.
124 // Most likely these are "default" policies with a weight of zero, but not always.
126 // It is possible to have multiple policies with an equal weight, that is desired.
128 // So we need to track each policy type separately and the weights for each policy.
130 // policy-type -> weight -> List({policy-id, policy-content}, {policy-id, policy-content})
132 Map<String, Map<Integer, List<Pair<String, Map<String, Object>>>>> closestMatches = new LinkedHashMap<>();
134 // Now scan the list of obligations
136 for (Obligation obligation : obligations) {
137 Identifier obligationId = obligation.getId();
138 LOGGER.info("Obligation: {}", obligationId);
139 if (ToscaDictionary.ID_OBLIGATION_REST_BODY.equals(obligationId)) {
140 scanClosestMatchObligation(closestMatches, obligation);
142 LOGGER.warn("Unsupported Obligation Id {}", obligation.getId());
146 // Now add all the policies to the DecisionResponse
148 closestMatches.forEach((thePolicyType, weightMap) ->
149 weightMap.forEach((weight, policies) ->
150 policies.forEach(policy -> {
151 LOGGER.info("Policy {}", policy);
152 decisionResponse.getPolicies().put(policy.getLeft(), policy.getRight());
159 * scanClosestMatchObligation - scans for the obligation specifically holding policy
160 * contents and their details.
162 * @param closestMatches Map holding the current set of highest weight policy types
163 * @param Obligation Obligation object
165 protected void scanClosestMatchObligation(
166 Map<String, Map<Integer, List<Pair<String, Map<String, Object>>>>> closestMatches, Obligation obligation) {
168 // Create our OnapObligation object
170 OnapObligation onapObligation = new OnapObligation(obligation);
172 // All 4 *should* be there
174 if (onapObligation.getPolicyId() == null || onapObligation.getPolicyContent() == null
175 || onapObligation.getPolicyType() == null || onapObligation.getWeight() == null) {
176 LOGGER.error("Missing an expected attribute in obligation.");
182 String policyId = onapObligation.getPolicyId();
183 String policyType = onapObligation.getPolicyType();
184 Map<String, Object> policyContent = onapObligation.getPolicyContentAsMap();
185 int policyWeight = onapObligation.getWeight();
187 // If the Policy Type exists, get the weight map.
189 Map<Integer, List<Pair<String, Map<String, Object>>>> weightMap = closestMatches.get(policyType);
190 if (weightMap != null) {
192 // Only need to check first one - as we will ensure there is only one weight
194 Entry<Integer, List<Pair<String, Map<String, Object>>>> firstEntry =
195 weightMap.entrySet().iterator().next();
196 if (policyWeight < firstEntry.getKey()) {
198 // Existing policies have a greater weight, so we will not add it
200 LOGGER.info("{} is lesser weight {} than current policies, will not return it", policyWeight,
201 firstEntry.getKey());
202 } else if (firstEntry.getKey().equals(policyWeight)) {
204 // Same weight - we will add it
206 LOGGER.info("Same weight {}, adding policy", policyWeight);
207 firstEntry.getValue().add(Pair.of(policyId, policyContent));
210 // The weight is greater, so we need to remove the other policies
211 // and point to this one.
213 LOGGER.info("New policy has greater weight {}, replacing {}", policyWeight, firstEntry.getKey());
214 List<Pair<String, Map<String, Object>>> listPolicies = new LinkedList<>();
215 listPolicies.add(Pair.of(policyId, policyContent));
217 weightMap.put(policyWeight, listPolicies);
221 // Create a new entry
223 LOGGER.info("New entry {} weight {}", policyType, policyWeight);
224 List<Pair<String, Map<String, Object>>> listPolicies = new LinkedList<>();
225 listPolicies.add(Pair.of(policyId, policyContent));
226 Map<Integer, List<Pair<String, Map<String, Object>>>> newWeightMap = new LinkedHashMap<>();
227 newWeightMap.put(policyWeight, listPolicies);
228 closestMatches.put(policyType, newWeightMap);
233 public PolicyType convertPolicy(ToscaPolicy toscaPolicy) throws ToscaPolicyConversionException {
235 // Get the TOSCA Policy Type for this policy
237 ToscaServiceTemplate toscaPolicyTypeTemplate = this.findPolicyType(toscaPolicy.getTypeIdentifier());
239 // If we don't have any TOSCA policy types, then we cannot know
240 // which properties are matchable.
242 if (toscaPolicyTypeTemplate == null) {
243 throw new ToscaPolicyConversionException(
244 "Cannot retrieve Policy Type definition for policy " + toscaPolicy.getName());
247 // Policy name should be at the root
249 String policyName = toscaPolicy.getMetadata().get(POLICY_ID);
251 // Set it as the policy ID
253 PolicyType newPolicyType = new PolicyType();
254 newPolicyType.setPolicyId(policyName);
256 // Optional description
258 newPolicyType.setDescription(toscaPolicy.getDescription());
260 // There should be a metadata section
262 fillMetadataSection(newPolicyType, toscaPolicy.getMetadata());
264 // Set the combining rule
266 newPolicyType.setRuleCombiningAlgId(XACML3.ID_RULE_FIRST_APPLICABLE.stringValue());
268 // Generate the TargetType - the policy should not be evaluated
269 // unless all the matchable properties it cares about are matched.
271 Pair<TargetType, Integer> pairGenerated = generateTargetType(toscaPolicy, toscaPolicyTypeTemplate);
272 newPolicyType.setTarget(pairGenerated.getLeft());
274 // Now represent the policy as Json
276 StandardCoder coder = new StandardCoder();
279 jsonPolicy = coder.encode(toscaPolicy);
280 } catch (CoderException e) {
281 throw new ToscaPolicyConversionException("Failed to encode policy to json", e);
284 // Add it as an obligation
286 addObligation(newPolicyType, policyName, jsonPolicy, pairGenerated.getRight(), toscaPolicy.getType());
288 // Now create the Permit Rule.
290 RuleType rule = new RuleType();
291 rule.setDescription("Default is to PERMIT if the policy matches.");
292 rule.setRuleId(policyName + ":rule");
293 rule.setEffect(EffectType.PERMIT);
294 rule.setTarget(new TargetType());
296 // The rule contains the Condition which adds logic for
297 // optional policy-type filtering.
299 rule.setCondition(generateConditionForPolicyType(toscaPolicy.getType()));
301 // Add the rule to the policy
303 newPolicyType.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition().add(rule);
305 // Log output of the policy
307 try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
308 XACMLPolicyWriter.writePolicyFile(os, newPolicyType);
309 LOGGER.info("{}", os);
310 } catch (IOException e) {
311 LOGGER.error("Failed to create byte array stream", e);
316 return newPolicyType;
320 * For generating target type, we scan for matchable properties
321 * and use those to build the policy.
323 * @param properties Properties section of policy
324 * @param policyTypes Collection of policy Type to find matchable metadata
325 * @return {@code Pair<TargetType, Integer>} Returns a TargetType and a Total Weight of matchables.
327 protected Pair<TargetType, Integer> generateTargetType(ToscaPolicy policyType,
328 ToscaServiceTemplate policyTemplate) {
332 TargetType targetType = new TargetType();
334 // Top-level list of properties
336 Map<String, Object> properties = policyType.getProperties();
338 // To start, we know these properties are for this specific Policy Type ID/Version
340 ToscaPolicyTypeIdentifier propertiesPolicyId = policyType.getTypeIdentifier();
342 // Scan the property map for matchables
344 int totalWeight = findMatchablesInProperties(properties, propertiesPolicyId, policyTemplate, targetType);
345 LOGGER.info("Total weight is {}", totalWeight);
346 return Pair.of(targetType, totalWeight);
349 protected int findMatchablesInProperties(Map<String, Object> properties,
350 ToscaPolicyTypeIdentifier propertiesPolicyId,
351 ToscaServiceTemplate policyTemplate,
352 TargetType targetType) {
353 LOGGER.info("findMatchablesInProperties from policy Type {} {}", propertiesPolicyId, properties);
355 // We better have the policy type definition available from the template
357 ToscaPolicyType policyType = getToscaPolicyTypeFromTemplate(propertiesPolicyId, policyTemplate);
358 if (policyType == null) {
359 LOGGER.error("Failed to find policy type in template {}", propertiesPolicyId);
363 // Our total weight to return
366 for (Entry<String, Object> entrySet : properties.entrySet()) {
368 // Find the property details
370 Pair<ToscaProperty, ToscaServiceTemplate> property = findProperty(entrySet.getKey(),
371 policyType, propertiesPolicyId, policyTemplate);
372 if (property == null) {
375 ToscaProperty toscaProperty = property.getLeft();
376 LOGGER.info("Found property {} with type {} schema {}", entrySet.getKey(), toscaProperty.getType(),
377 (toscaProperty.getEntrySchema() == null ? "null" : toscaProperty.getEntrySchema().getType()));
381 if (checkIsMatchableProperty(toscaProperty)) {
383 // This will generate the matchables for the property
385 int weight = generateMatchable(targetType, entrySet.getKey(), entrySet.getValue(),
386 property.getLeft(), property.getRight());
387 LOGGER.info("Weight is {}", weight);
388 totalWeight += weight;
391 // Not matchable, but we need to check if this contains list or map of datatypes.
392 // Those will need to be searched for matchables.
394 if ("list".equals(toscaProperty.getType())) {
395 int weight = findMatchablesInList(entrySet.getKey(), entrySet.getValue(), toscaProperty,
396 policyTemplate, targetType);
397 LOGGER.info("Weight list is {}", weight);
398 totalWeight += weight;
399 } else if ("map".equals(toscaProperty.getType())) {
400 int weight = findMatchablesInMap(entrySet.getKey(), entrySet.getValue(), toscaProperty,
401 policyTemplate, targetType);
402 LOGGER.info("Weight map is {}", weight);
403 totalWeight += weight;
410 @SuppressWarnings("unchecked")
411 protected int findMatchablesInList(String listPropertyName, Object listValue, ToscaProperty listProperty,
412 ToscaServiceTemplate listTemplate, TargetType targetType) {
414 // Don't bother if there is no schema (which should be a problem) or
415 // its a list of primitives
417 if (listProperty.getEntrySchema() == null) {
418 LOGGER.error("No entry schema for list property {}", listPropertyName);
422 // If they are primitives, then no need to go through them. ??
424 if (isYamlType(listProperty.getEntrySchema().getType())) {
425 LOGGER.info("list of primitives");
431 ToscaDataType listDataType = listTemplate.getDataTypes().get(listProperty.getEntrySchema().getType());
432 if (listDataType == null) {
433 LOGGER.error("Unable to find datatype {}", listProperty.getEntrySchema().getType());
438 for (Object datatypeValue : ((Collection<Object>)listValue)) {
440 // This should be a map - because this is a list of datatypes.
442 if (! (datatypeValue instanceof Map)) {
443 LOGGER.error("datatype {} value is not a map {}", listDataType.getName(), datatypeValue.getClass());
446 for (Entry<String, Object> entrySet : ((Map<String, Object>)datatypeValue).entrySet()) {
447 ToscaProperty toscaProperty = listDataType.getProperties().get(entrySet.getKey());
448 if (toscaProperty == null) {
449 LOGGER.error("Failed to find datatype {} property {}", listDataType.getName(), entrySet.getKey());
452 LOGGER.info("Found list property {} with type {} schema {}", entrySet.getKey(), toscaProperty.getType(),
453 (toscaProperty.getEntrySchema() == null ? "null" : toscaProperty.getEntrySchema().getType()));
457 if (checkIsMatchableProperty(toscaProperty)) {
459 // This will generate the matchables for the property
461 int weight = generateMatchable(targetType, entrySet.getKey(), entrySet.getValue(),
462 toscaProperty, listTemplate);
463 LOGGER.info("Weight is {}", weight);
464 totalWeight += weight;
467 // Not matchable, but we need to check if this contains list or map of datatypes.
468 // Those will need to be searched for matchables.
470 if ("list".equals(toscaProperty.getType())) {
471 int weight = findMatchablesInList(entrySet.getKey(), entrySet.getValue(), toscaProperty,
472 listTemplate, targetType);
473 LOGGER.info("Weight list is {}", weight);
474 totalWeight += weight;
475 } else if ("map".equals(toscaProperty.getType())) {
476 int weight = findMatchablesInMap(entrySet.getKey(), entrySet.getValue(), toscaProperty,
477 listTemplate, targetType);
478 LOGGER.info("Weight map is {}", weight);
479 totalWeight += weight;
488 @SuppressWarnings("unchecked")
489 protected int findMatchablesInMap(String mapPropertyName, Object mapValue, ToscaProperty mapProperty,
490 ToscaServiceTemplate mapTemplate, TargetType targetType) {
492 // There needs to be a schema.
494 if (mapProperty.getEntrySchema() == null) {
495 LOGGER.error("No entry schema for map property {}", mapPropertyName);
499 // If they are primitives, then no need to go through them. ??
501 if (isYamlType(mapProperty.getEntrySchema().getType())) {
502 LOGGER.debug("map property {} is primitives", mapPropertyName);
508 ToscaDataType mapDataType = mapTemplate.getDataTypes().get(mapProperty.getEntrySchema().getType());
509 if (mapDataType == null) {
510 LOGGER.error("Unable to find datatype {}", mapProperty.getEntrySchema().getType());
515 for (Entry<String, Object> entrySet : ((Map<String, Object>)mapValue).entrySet()) {
516 ToscaProperty toscaProperty = mapDataType.getProperties().get(entrySet.getKey());
517 if (toscaProperty == null) {
518 LOGGER.error("Failed to find datatype {} property {}", mapDataType.getName(), entrySet.getKey());
521 LOGGER.info("Found map property {} with type {} schema {}", entrySet.getKey(), toscaProperty.getType(),
522 (toscaProperty.getEntrySchema() == null ? "null" : toscaProperty.getEntrySchema().getType()));
526 if (checkIsMatchableProperty(toscaProperty)) {
528 // This will generate the matchables for the property
530 int weight = generateMatchable(targetType, entrySet.getKey(), entrySet.getValue(),
531 toscaProperty, mapTemplate);
532 LOGGER.info("Weight is {}", weight);
533 totalWeight += weight;
536 // Not matchable, but we need to check if this contains list or map of datatypes.
537 // Those will need to be searched for matchables.
539 if ("list".equals(toscaProperty.getType())) {
540 int weight = findMatchablesInList(entrySet.getKey(), entrySet.getValue(), toscaProperty,
541 mapTemplate, targetType);
542 LOGGER.info("Weight list is {}", weight);
543 totalWeight += weight;
544 } else if ("map".equals(toscaProperty.getType())) {
545 int weight = findMatchablesInMap(entrySet.getKey(), entrySet.getValue(), toscaProperty,
546 mapTemplate, targetType);
547 LOGGER.info("Weight map is {}", weight);
548 totalWeight += weight;
557 * findMatchableProperty - Iterates through available TOSCA Policy Types and return the
558 * ToscaProperty and template for the property.
560 * @param propertyName Name of property
561 * @param policyTypes Collection of TOSCA Policy Types to scan
562 * @return ToscaProperty and ToscaServiceTemplate if matchable
564 protected Pair<ToscaProperty, ToscaServiceTemplate> findProperty(String propertyName,
565 ToscaPolicyType policyType, ToscaPolicyTypeIdentifier propertiesPolicyId,
566 ToscaServiceTemplate policyTemplate) {
568 // See if the property is defined by the policy template
570 ToscaProperty toscaProperty = policyType.getProperties().get(propertyName);
571 if (toscaProperty != null) {
573 // Does it contain the matchable property and if so its set to true?
575 return Pair.of(toscaProperty, policyTemplate);
577 LOGGER.debug("property {} is not in policy type {}", propertyName, propertiesPolicyId);
579 // Check its parent policy types
581 ToscaPolicyTypeIdentifier parentId = getParentDerivedFrom(propertiesPolicyId, policyTemplate);
582 while (parentId != null) {
583 LOGGER.debug("searching parent policy type {}", parentId);
585 // Search the existing template (should be there during runtime)
587 ToscaPolicyType parentPolicyType = getParentPolicyType(parentId, policyTemplate);
588 if (parentPolicyType != null) {
589 toscaProperty = parentPolicyType.getProperties().get(propertyName);
590 if (toscaProperty != null) {
591 return Pair.of(toscaProperty, policyTemplate);
594 // Move to the next parent
596 parentId = getParentDerivedFrom(parentId, policyTemplate);
598 LOGGER.warn("Parent policy type is not found {}", parentId);
600 // Find the parent policy type. During JUnit this may be in a separate
601 // file. We hope that during runtime the template is complete.
603 ToscaServiceTemplate parentTemplate = findPolicyType(parentId);
604 if (parentTemplate != null) {
605 parentPolicyType = getParentPolicyType(parentId, parentTemplate);
606 if (parentPolicyType != null) {
607 toscaProperty = parentPolicyType.getProperties().get(propertyName);
608 if (toscaProperty != null) {
609 return Pair.of(toscaProperty, parentTemplate);
613 // Move to the next parent
615 parentId = getParentDerivedFrom(parentId, parentTemplate);
617 LOGGER.error("Unable to find/pull parent policy type {}", parentId);
622 LOGGER.warn("Property {} is NOT found in any template", propertyName);
626 private ToscaPolicyType getToscaPolicyTypeFromTemplate(ToscaPolicyTypeIdentifier propertiesPolicyId,
627 ToscaServiceTemplate policyTemplate) {
628 for (Entry<String, ToscaPolicyType> entry : policyTemplate.getPolicyTypes().entrySet()) {
629 if (propertiesPolicyId.getName().equals(entry.getKey())
630 && propertiesPolicyId.getVersion().equals(entry.getValue().getVersion())) {
631 return entry.getValue();
637 private boolean isYamlType(String type) {
638 return "string".equalsIgnoreCase(type) || "integer".equalsIgnoreCase(type) || "float".equalsIgnoreCase(type)
639 || "boolean".equalsIgnoreCase(type) || "timestamp".equalsIgnoreCase(type);
643 * checkIsMatchableProperty - checks the property metadata to see if matchable exists.
645 * @param toscaProperty ToscaProperty
646 * @return true if matchable
648 protected boolean checkIsMatchableProperty(ToscaProperty toscaProperty) {
649 if (toscaProperty.getMetadata() == null) {
652 for (Entry<String, String> entrySet : toscaProperty.getMetadata().entrySet()) {
653 if ("matchable".equals(entrySet.getKey()) && "true".equals(entrySet.getValue())) {
654 LOGGER.debug("found matchable of type {}", toscaProperty.getType());
662 * generateMatchable - Given the object, generates list of MatchType objects and add them
663 * to the TargetType object. Returns a weight which is the number of AnyOf's generated. The
664 * weight can be used to further filter the results for "closest match".
666 * @param targetType TargetType object to add matches to
667 * @param key Property key
668 * @param value Object is the value - which can be a Collection or single Object
669 * @param toscaProperty The property that was found
670 * @param toscaServiceTemplate The template from which the property was found
671 * @return int Weight of the match.
673 protected int generateMatchable(TargetType targetType, String key, Object value, ToscaProperty toscaProperty,
674 ToscaServiceTemplate toscaServiceTemplate) {
676 if (value instanceof Collection) {
678 // Further determine how we treat this collection. We will need the schema
679 // if it is not available then we have to bail.
681 if (toscaProperty.getEntrySchema() == null) {
682 LOGGER.error("No schema for property {} of type {}", key, toscaProperty.getType());
684 if ("list".equals(toscaProperty.getType())) {
685 return generateMatchableList(targetType, key, value, toscaProperty, toscaServiceTemplate);
687 if ("map".equals(toscaProperty.getType())) {
688 return generateMatchableMap(targetType, key, value, toscaProperty, toscaServiceTemplate);
691 AnyOfType anyOf = generateMatches(Arrays.asList(value),
692 new IdentifierImpl(ToscaDictionary.ID_RESOURCE_MATCHABLE + key));
693 if (! anyOf.getAllOf().isEmpty()) {
694 targetType.getAnyOf().add(anyOf);
701 @SuppressWarnings("unchecked")
702 protected int generateMatchableList(TargetType targetType, String key, Object value, ToscaProperty toscaProperty,
703 ToscaServiceTemplate toscaServiceTemplate) {
705 if (isYamlType(toscaProperty.getEntrySchema().getType())) {
706 AnyOfType anyOf = generateMatches((Collection<Object>) value,
707 new IdentifierImpl(ToscaDictionary.ID_RESOURCE_MATCHABLE + key));
708 if (! anyOf.getAllOf().isEmpty()) {
709 targetType.getAnyOf().add(anyOf);
713 LOGGER.debug("PLD use datatype for list?");
718 @SuppressWarnings("unchecked")
719 protected int generateMatchableMap(TargetType targetType, String key, Object value, ToscaProperty toscaProperty,
720 ToscaServiceTemplate toscaServiceTemplate) {
722 if (isYamlType(toscaProperty.getEntrySchema().getType())) {
724 // PLD TODO - this won't work
726 AnyOfType anyOf = generateMatches((Collection<Object>) value,
727 new IdentifierImpl(ToscaDictionary.ID_RESOURCE_MATCHABLE + key));
728 if (! anyOf.getAllOf().isEmpty()) {
729 targetType.getAnyOf().add(anyOf);
733 LOGGER.debug("PLD use datatype for map?");
739 * generateMatches - Goes through the collection of objects, creates a MatchType object
740 * for each object and associates it with the given attribute Id. Returns the AnyOfType
741 * object that contains all the generated MatchType objects.
743 * @param matchables Collection of object to generate MatchType from
744 * @param attributeId Given attribute Id for each MatchType
745 * @return AnyOfType object
747 protected AnyOfType generateMatches(Collection<Object> matchables, Identifier attributeId) {
749 // This is our outer AnyOf - which is an OR
751 AnyOfType anyOf = new AnyOfType();
752 for (Object matchable : matchables) {
756 Identifier idFunction = XACML3.ID_FUNCTION_STRING_EQUAL;
757 Identifier idDatatype = XACML3.ID_DATATYPE_STRING;
759 // See if we are another datatype
761 // We should add datetime support. But to do that we need
762 // probably more metadata to describe how that would be translated.
764 if (matchable instanceof Integer) {
765 idFunction = XACML3.ID_FUNCTION_INTEGER_EQUAL;
766 idDatatype = XACML3.ID_DATATYPE_INTEGER;
767 } else if (matchable instanceof Double) {
768 idFunction = XACML3.ID_FUNCTION_DOUBLE_EQUAL;
769 idDatatype = XACML3.ID_DATATYPE_DOUBLE;
770 } else if (matchable instanceof Boolean) {
771 idFunction = XACML3.ID_FUNCTION_BOOLEAN_EQUAL;
772 idDatatype = XACML3.ID_DATATYPE_BOOLEAN;
775 // Create a match for this
777 MatchType match = ToscaPolicyTranslatorUtils.buildMatchTypeDesignator(
779 matchable.toString(),
782 XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE);
784 // Now create an anyOf (OR)
786 anyOf.getAllOf().add(ToscaPolicyTranslatorUtils.buildAllOf(match));
791 private ToscaPolicyTypeIdentifier getParentDerivedFrom(ToscaPolicyTypeIdentifier policyTypeId,
792 ToscaServiceTemplate template) {
793 for (Entry<String, ToscaPolicyType> entrySet : template.getPolicyTypes().entrySet()) {
794 ToscaPolicyType policyType = entrySet.getValue();
795 if (entrySet.getKey().equals(policyTypeId.getName())
796 && policyType.getVersion().equals(policyTypeId.getVersion())
797 && ! "tosca.policies.Root".equals(policyType.getDerivedFrom())) {
798 return new ToscaPolicyTypeIdentifier(policyType.getDerivedFrom(), "1.0.0");
805 private ToscaPolicyType getParentPolicyType(ToscaPolicyTypeIdentifier policyTypeId, ToscaServiceTemplate template) {
806 for (Entry<String, ToscaPolicyType> entrySet : template.getPolicyTypes().entrySet()) {
807 ToscaPolicyType policyType = entrySet.getValue();
808 if (entrySet.getKey().equals(policyTypeId.getName())
809 && policyType.getVersion().equals(policyTypeId.getVersion())) {
817 * findPolicyType - given the ToscaPolicyTypeIdentifier, finds it in memory, or
818 * then tries to find it either locally on disk or pull it from the Policy
819 * Lifecycle API the given TOSCA Policy Type.
821 * @param policyTypeId ToscaPolicyTypeIdentifier to find
822 * @return ToscaPolicyType object. Can be null if failure.
824 private ToscaServiceTemplate findPolicyType(ToscaPolicyTypeIdentifier policyTypeId) {
826 // Is it loaded in memory?
828 ToscaServiceTemplate policyTemplate = this.matchablePolicyTypes.get(policyTypeId);
829 if (policyTemplate == null) {
833 policyTemplate = this.loadPolicyType(policyTypeId);
837 if (policyTemplate != null) {
838 this.matchablePolicyTypes.put(policyTypeId, policyTemplate);
844 return policyTemplate;
848 * loadPolicyType - Tries to load the given ToscaPolicyTypeIdentifier from local
849 * storage. If it does not exist, will then attempt to pull from Policy Lifecycle
852 * @param policyTypeId ToscaPolicyTypeIdentifier input
853 * @return ToscaPolicyType object. Null if failure.
855 private ToscaServiceTemplate loadPolicyType(ToscaPolicyTypeIdentifier policyTypeId) {
857 // Construct what the file name should be
859 Path policyTypePath = this.constructLocalFilePath(policyTypeId);
866 // If it exists locally, read the bytes in
868 bytes = Files.readAllBytes(policyTypePath);
869 } catch (IOException e) {
871 // Does not exist locally, so let's GET it from the policy api
873 LOGGER.error("PolicyType not found in data area yet {}", policyTypePath, e);
875 // So let's pull it from API REST call and save it locally
877 return this.pullPolicyType(policyTypeId, policyTypePath);
880 // Success - we have read locally the policy type. Now bring it into our
883 LOGGER.info("Read in local policy type {}", policyTypePath.toAbsolutePath());
885 return standardYamlCoder.decode(new String(bytes, StandardCharsets.UTF_8),
886 ToscaServiceTemplate.class);
887 } catch (CoderException e) {
888 LOGGER.error("Failed to decode tosca template for {}", policyTypePath, e);
891 // Hopefully we never get here
893 LOGGER.error("Failed to find/load policy type {}", policyTypeId);
898 * pullPolicyType - pulls the given ToscaPolicyTypeIdentifier from the Policy Lifecycle API.
899 * If successful, will store it locally given the policyTypePath.
901 * @param policyTypeId ToscaPolicyTypeIdentifier
902 * @param policyTypePath Path object to store locally
903 * @return ToscaPolicyType object. Null if failure.
905 private synchronized ToscaServiceTemplate pullPolicyType(ToscaPolicyTypeIdentifier policyTypeId,
906 Path policyTypePath) {
908 // This is what we return
910 ToscaServiceTemplate policyTemplate = null;
912 PolicyApiCaller api = new PolicyApiCaller(this.apiRestParameters);
914 policyTemplate = api.getPolicyType(policyTypeId);
915 } catch (PolicyApiException e) {
916 LOGGER.error("Failed to make API call", e);
917 LOGGER.error("parameters: {} ", this.apiRestParameters);
920 LOGGER.info("Successfully pulled {}", policyTypeId);
925 standardYamlCoder.encode(policyTypePath.toFile(), policyTemplate);
926 } catch (CoderException e) {
927 LOGGER.error("Failed to store {} locally to {}", policyTypeId, policyTypePath, e);
930 // Done return the policy type
932 return policyTemplate;
936 * constructLocalFilePath - common method to ensure the name of the local file for the
937 * policy type is the same.
939 * @param policyTypeId ToscaPolicyTypeIdentifier
940 * @return Path object
942 private Path constructLocalFilePath(ToscaPolicyTypeIdentifier policyTypeId) {
943 return Paths.get(this.pathForData.toAbsolutePath().toString(), policyTypeId.getName() + "-"
944 + policyTypeId.getVersion() + ".yaml");