* ONAP Policy API
* ================================================================================
* Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2020 Nordix Foundation.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
-import javax.ws.rs.core.Response;
import org.apache.commons.lang3.tuple.Pair;
import org.onap.policy.models.base.PfConceptKey;
import org.onap.policy.models.base.PfModelException;
-import org.onap.policy.models.base.PfModelRuntimeException;
-import org.onap.policy.models.pdp.concepts.PdpGroup;
-import org.onap.policy.models.pdp.concepts.PdpGroupFilter;
-import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyIdentifier;
import org.onap.policy.models.tosca.legacy.concepts.LegacyOperationalPolicy;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
/**
* Class to provide all kinds of legacy operational policy operations.
*/
public class LegacyOperationalPolicyProvider extends CommonModelProvider {
- private static final Logger LOGGER = LoggerFactory.getLogger(LegacyOperationalPolicyProvider.class);
-
- private static final String INVALID_POLICY_VERSION = "legacy policy version is not an integer";
- private static final String LEGACY_MINOR_PATCH_SUFFIX = ".0.0";
private static final PfConceptKey LEGACY_OPERATIONAL_TYPE =
new PfConceptKey("onap.policies.controlloop.Operational", "1.0.0");
public LegacyOperationalPolicy fetchOperationalPolicy(String policyId, String policyVersion)
throws PfModelException {
- if (policyVersion != null) {
- validNumber(policyVersion, INVALID_POLICY_VERSION);
- }
return modelsProvider.getOperationalPolicy(policyId, policyVersion);
}
public Map<Pair<String, String>, List<LegacyOperationalPolicy>> fetchDeployedOperationalPolicies(String policyId)
throws PfModelException {
- return collectDeployedPolicies(
- policyId, LEGACY_OPERATIONAL_TYPE, modelsProvider::getOperationalPolicy, List::add, new ArrayList<>(5));
+ return collectDeployedPolicies(policyId, LEGACY_OPERATIONAL_TYPE, modelsProvider::getOperationalPolicy,
+ List::add, new ArrayList<>(5));
}
/**
*/
public LegacyOperationalPolicy createOperationalPolicy(LegacyOperationalPolicy body) throws PfModelException {
- validateOperationalPolicyVersion(body);
return modelsProvider.createOperationalPolicy(body);
}
public LegacyOperationalPolicy deleteOperationalPolicy(String policyId, String policyVersion)
throws PfModelException {
- validNumber(policyVersion, INVALID_POLICY_VERSION);
- validateDeleteEligibility(policyId, policyVersion);
-
return modelsProvider.deleteOperationalPolicy(policyId, policyVersion);
}
-
- /**
- * Validates whether specified policy can be deleted based on the rule that deployed policy cannot be deleted.
- *
- * @param policyId the ID of policy
- * @param policyVersion the version of policy
- *
- * @throws PfModelException the PfModel parsing exception
- */
- private void validateDeleteEligibility(String policyId, String policyVersion) throws PfModelException {
-
- List<ToscaPolicyIdentifier> policies = new ArrayList<>(5);
- policies.add(new ToscaPolicyIdentifier(policyId, policyVersion + LEGACY_MINOR_PATCH_SUFFIX));
- PdpGroupFilter pdpGroupFilter = PdpGroupFilter.builder().policyList(policies).build();
-
- List<PdpGroup> pdpGroups = modelsProvider.getFilteredPdpGroups(pdpGroupFilter);
-
- if (!pdpGroups.isEmpty()) {
- throw new PfModelException(Response.Status.CONFLICT,
- constructDeletePolicyViolationMessage(policyId, policyVersion, pdpGroups));
- }
- }
-
- /**
- * Validates the specified version of the operational policy provided in the payload.
- *
- * @param body the operational policy payload
- *
- * @throws PfModelException on errors parsing PfModel
- */
- private void validateOperationalPolicyVersion(LegacyOperationalPolicy body) throws PfModelException {
-
- validateOperationalPolicyVersionExist(body);
- validateNoDuplicateVersionInDb(body);
- }
-
- /**
- * Validates whether the version of the operational policy is specified in the payload.
- *
- * @param body the operational policy payload
- *
- * @throws PfModelException on errors parsing PfModel
- */
- private void validateOperationalPolicyVersionExist(LegacyOperationalPolicy body) throws PfModelException {
-
- if (body.getPolicyVersion() == null) {
- String errMsg = "mandatory field 'policy-version' is missing in the policy: " + body.getPolicyId();
- throw new PfModelException(Response.Status.NOT_ACCEPTABLE, errMsg);
- }
- }
-
- /**
- * Validates that there is no duplicate version of the operational policy which is already stored in the database.
- *
- * @param body the operational policy payload
- *
- * @throws PfModelException on errors parsing PfModel
- */
- private void validateNoDuplicateVersionInDb(LegacyOperationalPolicy body) throws PfModelException {
-
- try {
- modelsProvider.getOperationalPolicy(body.getPolicyId(), body.getPolicyVersion());
- } catch (PfModelRuntimeException exc) {
- if (!hasSameOperationalPolicyFound(body, exc)) {
- return;
- }
- throw new PfModelException(exc.getErrorResponse().getResponseCode(), "unexpected runtime error", exc);
- }
-
- // There is one duplicate version stored in the DB.
- // Try to get the latest version
- LegacyOperationalPolicy latest = modelsProvider.getOperationalPolicy(body.getPolicyId(), null);
- final String[] versionArray = latest.getPolicyVersion().split("\\.");
- String errMsg = "operational policy " + body.getPolicyId() + ":" + body.getPolicyVersion()
- + " already exists; its latest version is " + versionArray[0];
- throw new PfModelException(Response.Status.NOT_ACCEPTABLE, errMsg);
- }
-
- /**
- * Checks if the same operational policy found in the database.
- *
- * @param body the legacy operational policy payload
- * @param exc the runtime exception thrown by policy model provider
- *
- * @return a boolean flag indicating the check result
- */
- private boolean hasSameOperationalPolicyFound(LegacyOperationalPolicy body, PfModelRuntimeException exc) {
-
- if (exc.getErrorResponse().getResponseCode() == Response.Status.BAD_REQUEST
- && exc.getErrorResponse().getErrorMessage().contains("no policy found")) {
- LOGGER.debug("no duplicate policy {}:{} found in the DB", body.getPolicyId(), body.getPolicyVersion());
- return false;
- }
- return true;
- }
}
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