import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
+import java.util.ArrayList;
import java.util.Collection;
-import java.util.Vector;
+import java.util.List;
import org.oransc.policyagent.clients.A1ClientFactory;
import org.oransc.policyagent.configuration.ApplicationConfig;
synchronized (this.policyTypes) {
if (ricName == null) {
Collection<PolicyType> types = this.policyTypes.getAll();
- return new ResponseEntity<String>(toPolicyTypeSchemasJson(types), HttpStatus.OK);
+ return new ResponseEntity<>(toPolicyTypeSchemasJson(types), HttpStatus.OK);
} else {
try {
Collection<PolicyType> types = rics.getRic(ricName).getSupportedPolicyTypes();
- return new ResponseEntity<String>(toPolicyTypeSchemasJson(types), HttpStatus.OK);
+ return new ResponseEntity<>(toPolicyTypeSchemasJson(types), HttpStatus.OK);
} catch (ServiceException e) {
- return new ResponseEntity<String>(e.toString(), HttpStatus.NOT_FOUND);
+ return new ResponseEntity<>(e.toString(), HttpStatus.NOT_FOUND);
}
}
}
public ResponseEntity<String> getPolicySchema(@RequestParam(name = "id", required = true) String id) {
try {
PolicyType type = policyTypes.getType(id);
- return new ResponseEntity<String>(type.schema(), HttpStatus.OK);
+ return new ResponseEntity<>(type.schema(), HttpStatus.OK);
} catch (ServiceException e) {
- return new ResponseEntity<String>(e.toString(), HttpStatus.NOT_FOUND);
+ return new ResponseEntity<>(e.toString(), HttpStatus.NOT_FOUND);
}
}
synchronized (this.policyTypes) {
if (ricName == null) {
Collection<PolicyType> types = this.policyTypes.getAll();
- return new ResponseEntity<String>(toPolicyTypeIdsJson(types), HttpStatus.OK);
+ return new ResponseEntity<>(toPolicyTypeIdsJson(types), HttpStatus.OK);
} else {
try {
Collection<PolicyType> types = rics.getRic(ricName).getSupportedPolicyTypes();
- return new ResponseEntity<String>(toPolicyTypeIdsJson(types), HttpStatus.OK);
+ return new ResponseEntity<>(toPolicyTypeIdsJson(types), HttpStatus.OK);
} catch (ServiceException e) {
- return new ResponseEntity<String>(e.toString(), HttpStatus.NOT_FOUND);
+ return new ResponseEntity<>(e.toString(), HttpStatus.NOT_FOUND);
}
}
}
@RequestParam(name = "instance", required = true) String instance) {
try {
Policy p = policies.getPolicy(instance);
- return new ResponseEntity<String>(p.json(), HttpStatus.OK);
+ return new ResponseEntity<>(p.json(), HttpStatus.OK);
} catch (ServiceException e) {
- return new ResponseEntity<String>(e.getMessage(), HttpStatus.NO_CONTENT);
+ return new ResponseEntity<>(e.getMessage(), HttpStatus.NO_CONTENT);
}
}
@DeleteMapping("/policy")
@ApiOperation(value = "Delete a policy", response = Object.class)
@ApiResponses(value = {@ApiResponse(code = 204, message = "Policy deleted", response = Object.class)})
- public Mono<ResponseEntity<Void>> deletePolicy( //
+ public Mono<ResponseEntity<Object>> deletePolicy( //
@RequestParam(name = "instance", required = true) String id) {
Policy policy = policies.get(id);
if (policy != null && policy.ric().getState() == Ric.RicState.IDLE) {
- policies.remove(policy);
+ Ric ric = policy.ric();
return a1ClientFactory.createA1Client(policy.ric()) //
+ .doOnNext(notUsed -> ric.getLock().lockBlocking()) //
+ .doOnNext(notUsed -> policies.remove(policy)) //
.flatMap(client -> client.deletePolicy(policy)) //
- .flatMap(notUsed -> {
- return Mono.just(new ResponseEntity<>(HttpStatus.NO_CONTENT));
- });
+ .doOnNext(notUsed -> ric.getLock().unlock()) //
+ .doOnError(notUsed -> ric.getLock().unlock()) //
+ .flatMap(notUsed -> Mono.just(new ResponseEntity<>(HttpStatus.NO_CONTENT)));
+ } else if (policy != null) {
+ return Mono.just(new ResponseEntity<>("Busy, recovering", HttpStatus.LOCKED));
} else {
return Mono.just(new ResponseEntity<>(HttpStatus.NOT_FOUND));
}
@PutMapping(path = "/policy")
@ApiOperation(value = "Put a policy", response = String.class)
@ApiResponses(value = {@ApiResponse(code = 200, message = "Policy created or updated")})
- public Mono<ResponseEntity<String>> putPolicy( //
+ public Mono<ResponseEntity<Object>> putPolicy( //
@RequestParam(name = "type", required = true) String typeName, //
@RequestParam(name = "instance", required = true) String instanceId, //
@RequestParam(name = "ric", required = true) String ricName, //
.type(type) //
.ric(ric) //
.ownerServiceName(service) //
- .lastModified(getTimeStampUTC()) //
+ .lastModified(getTimeStampUtc()) //
.build();
- return a1ClientFactory.createA1Client(ric) //
+
+ final boolean isCreate = this.policies.get(policy.id()) == null;
+
+ return Mono.just(policy) //
+ .doOnNext(notUsed -> ric.getLock().lockBlocking()) //
+ .flatMap(p -> validateModifiedPolicy(policy)) //
+ .flatMap(notUsed -> a1ClientFactory.createA1Client(ric)) //
.flatMap(client -> client.putPolicy(policy)) //
.doOnNext(notUsed -> policies.put(policy)) //
- .flatMap(notUsed -> {
- return Mono.just(new ResponseEntity<>(HttpStatus.OK));
- });
+ .doOnNext(notUsed -> ric.getLock().unlock()) //
+ .doOnError(t -> ric.getLock().unlock()) //
+ .flatMap(notUsed -> Mono.just(new ResponseEntity<>(isCreate ? HttpStatus.CREATED : HttpStatus.OK))) //
+ .onErrorResume(t -> Mono.just(new ResponseEntity<>(t.getMessage(), HttpStatus.METHOD_NOT_ALLOWED)));
+ }
+
+ return ric == null && type == null ? Mono.just(new ResponseEntity<>(HttpStatus.NOT_FOUND))
+ : Mono.just(new ResponseEntity<>(HttpStatus.CONFLICT)); // Recovering
+ }
+
+ private Mono<Object> validateModifiedPolicy(Policy policy) {
+ // Check that ric is not updated
+ Policy current = this.policies.get(policy.id());
+ if (current != null) {
+ if (!current.ric().name().equals(policy.ric().name())) {
+ return Mono.error(new Exception("Policy cannot change RIC, policyId: " + current.id() + //
+ ", RIC name: " + current.ric().name() + //
+ ", new name: " + policy.ric().name()));
+ }
}
- return Mono.just(new ResponseEntity<>(HttpStatus.NOT_FOUND));
+ return Mono.just("OK");
}
@GetMapping("/policies")
result = policies.getForService(service);
result = filter(result, type, ric, null);
} else if (ric != null) {
- result = policies.getForRic(ric);
- result = filter(result, type, null, service);
+ result = filter(policies.getForRic(ric), type, null, service);
} else {
result = policies.getAll();
}
- return new ResponseEntity<String>(policiesToJson(result), HttpStatus.OK);
+ String policiesJson;
+ try {
+ policiesJson = policiesToJson(result);
+ } catch (ServiceException e) {
+ return new ResponseEntity<>(e.getMessage(), HttpStatus.NO_CONTENT);
+ }
+ return new ResponseEntity<>(policiesJson, HttpStatus.OK);
}
}
return a1ClientFactory.createA1Client(policy.ric()) //
.flatMap(client -> client.getPolicyStatus(policy)) //
- .flatMap(status -> Mono.just(new ResponseEntity<String>(status, HttpStatus.OK)));
+ .flatMap(status -> Mono.just(new ResponseEntity<>(status, HttpStatus.OK)));
} catch (ServiceException e) {
- return Mono.just(new ResponseEntity<String>(e.getMessage(), HttpStatus.NO_CONTENT));
+ return Mono.just(new ResponseEntity<>(e.getMessage(), HttpStatus.NO_CONTENT));
}
}
if (type == null && ric == null && service == null) {
return collection;
}
- Vector<Policy> filtered = new Vector<>();
+ List<Policy> filtered = new ArrayList<>();
for (Policy p : collection) {
if (include(type, p.type().name()) && include(ric, p.ric().name())
&& include(service, p.ownerServiceName())) {
return filtered;
}
- private String policiesToJson(Collection<Policy> policies) {
- Vector<PolicyInfo> v = new Vector<>(policies.size());
+ private String policiesToJson(Collection<Policy> policies) throws ServiceException {
+ List<PolicyInfo> v = new ArrayList<>(policies.size());
for (Policy p : policies) {
PolicyInfo policyInfo = new PolicyInfo();
policyInfo.id = p.id();
policyInfo.service = p.ownerServiceName();
policyInfo.lastModified = p.lastModified();
if (!policyInfo.validate()) {
- throw new RuntimeException("BUG, all fields must be set");
+ throw new ServiceException("BUG, all fields must be set");
}
v.add(policyInfo);
}
}
private String toPolicyTypeIdsJson(Collection<PolicyType> types) {
- Vector<String> v = new Vector<>(types.size());
+ List<String> v = new ArrayList<>(types.size());
for (PolicyType t : types) {
v.add(t.name());
}
return gson.toJson(v);
}
- private String getTimeStampUTC() {
+ private String getTimeStampUtc() {
return java.time.Instant.now().toString();
}