package org.oransc.policyagent.clients;
import java.lang.invoke.MethodHandles;
-import java.util.Collection;
+import java.util.ArrayList;
+import java.util.List;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
import org.oransc.policyagent.configuration.RicConfig;
import org.oransc.policyagent.repository.Policy;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+
+import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
public class OscA1Client implements A1Client {
private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
- private final RicConfig ricConfig;
+ private final AsyncRestClient restClient;
public OscA1Client(RicConfig ricConfig) {
- this.ricConfig = ricConfig;
- logger.debug("OscA1Client for ric: {}", this.ricConfig.name());
+ String baseUrl = ricConfig.baseUrl() + "/a1-p";
+ this.restClient = new AsyncRestClient(baseUrl);
+ logger.debug("OscA1Client for ric: {}", ricConfig.name());
}
@Override
- public Mono<Collection<String>> getPolicyTypeIdentities() {
- return Mono.error(new Exception("Not impl"));
+ public Mono<List<String>> getPolicyTypeIdentities() {
+ return restClient.get("/policytypes") //
+ .flatMap(this::parseJsonArrayOfString);
}
@Override
- public Mono<Collection<String>> getPolicyIdentities() {
- return Mono.error(new Exception("Not impl"));
+ public Mono<List<String>> getPolicyIdentities() {
+ return getPolicyTypeIdentities() //
+ .flatMapMany(types -> Flux.fromIterable(types)) //
+ .flatMap(type -> getPolicyIdentities(type)) //
+ .flatMap(policyIds -> Flux.fromIterable(policyIds)) //
+ .collectList();
+ }
+
+ private Mono<List<String>> getPolicyIdentities(String typeId) {
+ return restClient.get("/policytypes/" + typeId + "/policies") //
+ .flatMap(this::parseJsonArrayOfString);
}
@Override
public Mono<String> getPolicyTypeSchema(String policyTypeId) {
- return Mono.error(new Exception("Not impl"));
+ return restClient.get("/policytypes/" + policyTypeId) //
+ .flatMap(response -> getCreateSchema(response, policyTypeId));
+ }
+
+ private Mono<String> getCreateSchema(String policyTypeResponse, String policyTypeId) {
+ try {
+ JSONObject obj = new JSONObject(policyTypeResponse);
+ JSONObject schemaObj = obj.getJSONObject("create_schema");
+ schemaObj.put("title", policyTypeId);
+ return Mono.just(schemaObj.toString());
+ } catch (Exception e) {
+ logger.error("Unexcpected response for policy type: {}", policyTypeResponse, e);
+ return Mono.error(e);
+ }
}
@Override
public Mono<String> putPolicy(Policy policy) {
- return Mono.error(new Exception("Not impl"));
+ return restClient.put("/policytypes/" + policy.type().name() + "/policies/" + policy.id(), policy.json());
}
@Override
- public Mono<String> deletePolicy(String policyId) {
- return Mono.error(new Exception("Not impl"));
+ public Mono<String> deletePolicy(Policy policy) {
+ return deletePolicy(policy.type().name(), policy.id());
+ }
+
+ private Mono<String> deletePolicy(String typeId, String policyId) {
+ return restClient.delete("/policytypes/" + typeId + "/policies/" + policyId);
}
@Override
public Mono<A1ProtocolType> getProtocolVersion() {
- return Mono.error(new Exception("Not impl"));
+ return restClient.get("/healthcheck") //
+ .flatMap(resp -> Mono.just(A1ProtocolType.OSC_V1));
}
+ @Override
+ public Flux<String> deleteAllPolicies() {
+ return getPolicyTypeIdentities() //
+ .flatMapMany(types -> Flux.fromIterable(types)) //
+ .flatMap(typeId -> deletePoliciesForType(typeId)); //
+ }
+
+ private Flux<String> deletePoliciesForType(String typeId) {
+ return getPolicyIdentities(typeId) //
+ .flatMapMany(policyIds -> Flux.fromIterable(policyIds)) //
+ .flatMap(policyId -> deletePolicy(typeId, policyId)); //
+ }
+
+ private Mono<List<String>> parseJsonArrayOfString(String inputString) {
+ try {
+ List<String> arrayList = new ArrayList<>();
+ JSONArray jsonArray = new JSONArray(inputString);
+ for (int i = 0; i < jsonArray.length(); i++) {
+ arrayList.add(jsonArray.getString(i));
+ }
+ logger.debug("A1 client: received list = {}", arrayList);
+ return Mono.just(arrayList);
+ } catch (JSONException ex) { // invalid json
+ return Mono.error(ex);
+ }
+ }
}