* limitations under the License.
* ========================LICENSE_END===================================
*/
+
package org.oransc.policyagent.controllers;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
+import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
+import java.util.Collection;
import java.util.Vector;
import org.oransc.policyagent.configuration.ApplicationConfig;
-import org.oransc.policyagent.configuration.RicConfig;
+import org.oransc.policyagent.exceptions.ServiceException;
+import org.oransc.policyagent.repository.ImmutablePolicy;
+import org.oransc.policyagent.repository.Policies;
+import org.oransc.policyagent.repository.Policy;
+import org.oransc.policyagent.repository.PolicyType;
+import org.oransc.policyagent.repository.PolicyTypes;
+import org.oransc.policyagent.repository.Ric;
+import org.oransc.policyagent.repository.Rics;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
-import reactor.core.publisher.Mono;
@RestController
+@Api(value = "Policy Management API")
public class PolicyController {
- private final ApplicationConfig appConfig;
+ private final Rics rics;
+ private final PolicyTypes policyTypes;
+ private final Policies policies;
private static Gson gson = new GsonBuilder() //
.serializeNulls() //
.create(); //
@Autowired
- PolicyController(ApplicationConfig config) {
- this.appConfig = config;
+ PolicyController(ApplicationConfig config, PolicyTypes types, Policies policies, Rics rics) {
+ this.policyTypes = types;
+ this.policies = policies;
+ this.rics = rics;
+ }
+
+ @GetMapping("/policy_types")
+ @ApiOperation(value = "Returns all the policy types")
+ @ApiResponses(value = {@ApiResponse(code = 200, message = "Policy Types found")})
+ public ResponseEntity<String> getPolicyTypes(@RequestParam(name = "ric", required = false) String ricName) {
+ if (ricName == null) {
+ Collection<PolicyType> types = this.policyTypes.getAll();
+ return new ResponseEntity<String>(policyTypesToJson(types), HttpStatus.OK);
+ } else {
+ try {
+ Collection<PolicyType> types = rics.getRic(ricName).getSupportedPolicyTypes();
+ return new ResponseEntity<String>(policyTypesToJson(types), HttpStatus.OK);
+ } catch (ServiceException e) {
+ return new ResponseEntity<String>(e.toString(), HttpStatus.NOT_FOUND);
+ }
+ }
}
- // http://localhost:8080/policy?type=type3&instance=xxx
@GetMapping("/policy")
- public String getPolicy(@RequestParam(name = "type", required = false, defaultValue = "type1") String typeName,
- @RequestParam(name = "instance", required = false, defaultValue = "new") String instanceId) {
- System.out.println("**** getPolicy " + typeName);
+ @ApiOperation(value = "Returns the policy")
+ @ApiResponses(
+ value = {@ApiResponse(code = 200, message = "Policy found"),
+ @ApiResponse(code = 204, message = "Policy is not found")})
+ public ResponseEntity<String> getPolicy( //
+ @RequestParam(name = "instance", required = true) String instance) {
+ try {
+ Policy p = policies.getPolicy(instance);
+ return new ResponseEntity<String>(p.json(), HttpStatus.OK);
+ } catch (ServiceException e) {
+ return new ResponseEntity<String>(e.getMessage(), HttpStatus.NO_CONTENT);
+ }
+ }
+
+ @DeleteMapping("/policy")
+ @ApiOperation(value = "Deletes the policy")
+ @ApiResponses(value = {@ApiResponse(code = 204, message = "Policy deleted")})
+ public ResponseEntity<Void> deletePolicy( //
+ @RequestParam(name = "instance", required = true) String instance) {
- return "policy" + typeName + instanceId;
+ policies.removeId(instance);
+ return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
- public String getHello() {
- return "Howdy";
+ @GetMapping("/policies")
+ @ApiOperation(value = "Returns the policies")
+ @ApiResponses(value = {@ApiResponse(code = 200, message = "Polcies found")})
+ public ResponseEntity<String> getPolicies( //
+ @RequestParam(name = "type", required = false) String type, //
+ @RequestParam(name = "ric", required = false) String ric, //
+ @RequestParam(name = "service", required = false) String service) //
+ {
+ Collection<Policy> result = null;
+
+ if (type != null) {
+ result = policies.getForType(type);
+ result = filter(result, null, ric, service);
+ } else if (service != null) {
+ result = policies.getForService(service);
+ result = filter(result, type, ric, null);
+ } else if (ric != null) {
+ result = policies.getForRic(ric);
+ result = filter(result, type, null, service);
+ } else {
+ result = policies.getAll();
+ }
+
+ return new ResponseEntity<String>(policiesToJson(result), HttpStatus.OK);
}
- @GetMapping("/status")
- @ApiOperation(value = "Returns status and statistics of the service")
- @ApiResponses(
- value = { //
- @ApiResponse(code = 200, message = "DATAFILE service is living"),
- @ApiResponse(code = 401, message = "You are not authorized to view the resource"),
- @ApiResponse(code = 403, message = "Accessing the resource you were trying to reach is forbidden"),
- @ApiResponse(code = 404, message = "The resource you were trying to reach is not found") //
- })
- public Mono<ResponseEntity<String>> getStatus() {
- Mono<ResponseEntity<String>> response = Mono.just(new ResponseEntity<>("hunky dory", HttpStatus.OK));
- return response;
+ private boolean include(String filter, String value) {
+ return filter == null || value.equals(filter);
}
- // http://localhost:8080/rics?managedElementId=kista_1
- @GetMapping("/rics")
- @ApiOperation(value = "Returns defined NearRT RIC:s")
- public ResponseEntity<String> getRics(
- @RequestParam(name = "managedElementId", required = false, defaultValue = "") String managedElementId) {
- Vector<RicInfo> result = new Vector<RicInfo>();
- Vector<RicConfig> config = getRicConfigs(managedElementId);
-
- for (RicConfig ricConfig : config) {
- RicInfo ric = ImmutableRicInfo.builder() //
- .managedElementIds(ricConfig.managedElementIds()) //
- .name(ricConfig.name()) //
- .build();
- result.add(ric);
+ private Collection<Policy> filter(Collection<Policy> collection, String type, String ric, String service) {
+ if (type == null && ric == null && service == null) {
+ return collection;
+ }
+ Vector<Policy> filtered = new Vector<>();
+ for (Policy p : collection) {
+ if (include(type, p.type().name()) && include(ric, p.ric().name())
+ && include(service, p.ownerServiceName())) {
+ filtered.add(p);
+ }
}
+ return filtered;
+ }
- return new ResponseEntity<>(gson.toJson(result), HttpStatus.OK);
+ private String policiesToJson(Collection<Policy> policies) {
+ Vector<PolicyInfo> v = new Vector<>(policies.size());
+ for (Policy p : policies) {
+ PolicyInfo policyInfo = ImmutablePolicyInfo.builder() //
+ .json(p.json()) //
+ .id(p.id()) //
+ .ric(p.ric().name()) //
+ .type(p.type().name()) //
+ .service(p.ownerServiceName()) //
+ .lastModified(p.lastModified()) //
+ .build();
+ v.add(policyInfo);
+ }
+ return gson.toJson(v);
}
- private Vector<RicConfig> getRicConfigs(String managedElementId) {
- if (managedElementId.equals("")) {
- return this.appConfig.getRicConfigs();
+ private String policyTypesToJson(Collection<PolicyType> types) {
+ Vector<PolicyTypeInfo> v = new Vector<>(types.size());
+ for (PolicyType t : types) {
+ PolicyTypeInfo policyInfo = ImmutablePolicyTypeInfo.builder() //
+ .name(t.name()) //
+ .build();
+ v.add(policyInfo);
}
+ return gson.toJson(v);
+ }
+
+ private String getTimeStampUTC() {
+ return java.time.Instant.now().toString();
+ }
- Vector<RicConfig> result = new Vector<RicConfig>(1);
- appConfig.getRicConfig(managedElementId).ifPresent((config) -> {
- result.add(config);
- });
- return result;
+ @PutMapping(path = "/policy")
+ @ApiOperation(value = "Create the policy")
+ @ApiResponses(value = {@ApiResponse(code = 201, message = "Policy created")})
+ public ResponseEntity<String> putPolicy( //
+ @RequestParam(name = "type", required = true) String type, //
+ @RequestParam(name = "instance", required = true) String instanceId, //
+ @RequestParam(name = "ric", required = true) String ric, //
+ @RequestParam(name = "service", required = true) String service, //
+ @RequestBody String jsonBody) {
+
+ try {
+ // services.getService(service).ping();
+ Ric ricObj = rics.getRic(ric);
+ Policy policy = ImmutablePolicy.builder() //
+ .id(instanceId) //
+ .json(jsonBody) //
+ .type(policyTypes.getType(type)) //
+ .ric(ricObj) //
+ .ownerServiceName(service) //
+ .lastModified(getTimeStampUTC()) //
+ .build();
+ policies.put(policy);
+ return new ResponseEntity<String>(HttpStatus.CREATED);
+ } catch (ServiceException e) {
+ return new ResponseEntity<String>(e.getMessage(), HttpStatus.NOT_FOUND);
+ }
}
}