import java.util.Optional;
import org.immutables.value.Value;
+import org.oransc.policyagent.configuration.ControllerConfig;
import org.oransc.policyagent.configuration.RicConfig;
import org.oransc.policyagent.repository.Policy;
import org.slf4j.Logger;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
+/**
+ * Client for accessing the A1 adapter in the SDNC controller in OSC.
+ */
@SuppressWarnings("squid:S2629") // Invoke method(s) only conditionally
public class SdncOscA1Client implements A1Client {
.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_DASHES) //
.create(); //
+ private static final String GET_POLICY_RPC = "getA1Policy";
+ private static final String UNHANDELED_PROTOCOL = "Bug, unhandeled protocoltype: ";
private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
- private final String a1ControllerUsername;
- private final String a1ControllerPassword;
+ private final ControllerConfig controllerConfig;
private final AsyncRestClient restClient;
- private final A1UriBuilder uri;
-
- public SdncOscA1Client(RicConfig ricConfig, String controllerBaseUrl, String username, String password) {
- this(ricConfig, username, password, new AsyncRestClient(controllerBaseUrl + "/restconf/operations"));
- logger.debug("SdncOscA1Client for ric: {}, a1ControllerBaseUrl: {}", ricConfig.name(), controllerBaseUrl);
- }
-
- public SdncOscA1Client(RicConfig ricConfig, String username, String password, AsyncRestClient restClient) {
- this.a1ControllerUsername = username;
- this.a1ControllerPassword = password;
+ private final RicConfig ricConfig;
+ private final A1ProtocolType protocolType;
+
+ /**
+ * Constructor
+ *
+ * @param protocolType the southbound protocol of the controller. Supported
+ * protocols are SDNC_OSC_STD_V1_1 and SDNC_OSC_OSC_V1
+ * @param ricConfig
+ * @param controllerBaseUrl the base URL of the SDNC controller
+ * @param username username to accesss the SDNC controller
+ * @param password password to accesss the SDNC controller
+ */
+ public SdncOscA1Client(A1ProtocolType protocolType, RicConfig ricConfig, ControllerConfig controllerConfig) {
+ this(protocolType, ricConfig, controllerConfig,
+ new AsyncRestClient(controllerConfig.baseUrl() + "/restconf/operations"));
+ logger.debug("SdncOscA1Client for ric: {}, a1Controller: {}", ricConfig.name(), controllerConfig);
+ }
+
+ public SdncOscA1Client(A1ProtocolType protocolType, RicConfig ricConfig, ControllerConfig controllerConfig,
+ AsyncRestClient restClient) {
this.restClient = restClient;
- this.uri = new StdA1UriBuilderVersion1(ricConfig);
+ this.ricConfig = ricConfig;
+ this.protocolType = protocolType;
+ this.controllerConfig = controllerConfig;
}
@Override
public Mono<List<String>> getPolicyTypeIdentities() {
- return Mono.just(Arrays.asList(""));
+ if (this.protocolType == A1ProtocolType.SDNC_OSC_STD_V1_1) {
+ return Mono.just(Arrays.asList(""));
+ } else if (this.protocolType == A1ProtocolType.SDNC_OSC_OSC_V1) {
+ OscA1Client.UriBuilder uri = new OscA1Client.UriBuilder(ricConfig);
+ final String ricUrl = uri.createPolicyTypesUri();
+ return post(GET_POLICY_RPC, ricUrl, Optional.empty()) //
+ .flatMapMany(SdncJsonHelper::parseJsonArrayOfString) //
+ .collectList();
+ }
+ throw new NullPointerException(UNHANDELED_PROTOCOL + this.protocolType);
}
@Override
@Override
public Mono<String> getPolicyTypeSchema(String policyTypeId) {
- return Mono.just("{}");
+ if (this.protocolType == A1ProtocolType.SDNC_OSC_STD_V1_1) {
+ return Mono.just("{}");
+ } else if (this.protocolType == A1ProtocolType.SDNC_OSC_OSC_V1) {
+ OscA1Client.UriBuilder uri = new OscA1Client.UriBuilder(ricConfig);
+ final String ricUrl = uri.createGetSchemaUri(policyTypeId);
+ return post(GET_POLICY_RPC, ricUrl, Optional.empty());
+ }
+ throw new NullPointerException(UNHANDELED_PROTOCOL + this.protocolType);
}
@Override
public Mono<String> putPolicy(Policy policy) {
- final String ricUrl = uri.createPutPolicyUri(policy);
+ final String ricUrl = getUriBuilder().createPutPolicyUri(policy.type().name(), policy.id());
return post("putA1Policy", ricUrl, Optional.of(policy.json()));
}
@Override
public Mono<String> deletePolicy(Policy policy) {
- return deletePolicyById(policy.id());
+ return deletePolicyById(policy.type().name(), policy.id());
}
@Override
public Flux<String> deleteAllPolicies() {
- return getPolicyIds() //
- .flatMap(this::deletePolicyById); //
+ if (this.protocolType == A1ProtocolType.SDNC_OSC_STD_V1_1) {
+ return getPolicyIds() //
+ .flatMap(policyId -> deletePolicyById("", policyId)); //
+ } else if (this.protocolType == A1ProtocolType.SDNC_OSC_OSC_V1) {
+ OscA1Client.UriBuilder uriBuilder = new OscA1Client.UriBuilder(ricConfig);
+ return getPolicyTypeIdentities() //
+ .flatMapMany(Flux::fromIterable)
+ .flatMap(type -> post(GET_POLICY_RPC, uriBuilder.createGetPolicyIdsUri(type), Optional.empty())) //
+ .flatMap(SdncJsonHelper::parseJsonArrayOfString);
+ }
+ throw new NullPointerException(UNHANDELED_PROTOCOL + this.protocolType);
}
@Override
public Mono<A1ProtocolType> getProtocolVersion() {
- return getPolicyIdentities() //
- .flatMap(x -> Mono.just(A1ProtocolType.SDNC_OSC));
+ return tryStdProtocolVersion() //
+ .onErrorResume(t -> tryOscProtocolVersion());
}
@Override
public Mono<String> getPolicyStatus(Policy policy) {
- final String ricUrl = uri.createGetPolicyStatusUri(policy.id());
+ final String ricUrl = getUriBuilder().createGetPolicyStatusUri(policy.type().name(), policy.id());
return post("getA1PolicyStatus", ricUrl, Optional.empty());
}
+ private A1UriBuilder getUriBuilder() {
+ if (protocolType == A1ProtocolType.SDNC_OSC_STD_V1_1) {
+ return new StdA1ClientVersion1.UriBuilder(ricConfig);
+ } else if (this.protocolType == A1ProtocolType.SDNC_OSC_OSC_V1) {
+ return new OscA1Client.UriBuilder(ricConfig);
+ }
+ throw new NullPointerException(UNHANDELED_PROTOCOL + this.protocolType);
+ }
+
+ private Mono<A1ProtocolType> tryOscProtocolVersion() {
+ OscA1Client.UriBuilder oscApiuriBuilder = new OscA1Client.UriBuilder(ricConfig);
+ return post(GET_POLICY_RPC, oscApiuriBuilder.createHealtcheckUri(), Optional.empty()) //
+ .flatMap(x -> Mono.just(A1ProtocolType.SDNC_OSC_OSC_V1));
+ }
+
+ private Mono<A1ProtocolType> tryStdProtocolVersion() {
+ StdA1ClientVersion1.UriBuilder uriBuilder = new StdA1ClientVersion1.UriBuilder(ricConfig);
+ return post(GET_POLICY_RPC, uriBuilder.createGetPolicyIdsUri(), Optional.empty()) //
+ .flatMap(x -> Mono.just(A1ProtocolType.SDNC_OSC_STD_V1_1));
+ }
+
private Flux<String> getPolicyIds() {
- final String ricUrl = uri.createGetPolicyIdsUri();
- return post("getA1Policy", ricUrl, Optional.empty()) //
- .flatMapMany(JsonHelper::parseJsonArrayOfString);
+ if (this.protocolType == A1ProtocolType.SDNC_OSC_STD_V1_1) {
+ StdA1ClientVersion1.UriBuilder uri = new StdA1ClientVersion1.UriBuilder(ricConfig);
+ final String ricUrl = uri.createGetPolicyIdsUri();
+ return post(GET_POLICY_RPC, ricUrl, Optional.empty()) //
+ .flatMapMany(SdncJsonHelper::parseJsonArrayOfString);
+ } else if (this.protocolType == A1ProtocolType.SDNC_OSC_OSC_V1) {
+ OscA1Client.UriBuilder uri = new OscA1Client.UriBuilder(ricConfig);
+ return getPolicyTypeIdentities() //
+ .flatMapMany(Flux::fromIterable)
+ .flatMap(type -> post(GET_POLICY_RPC, uri.createGetPolicyIdsUri(type), Optional.empty())) //
+ .flatMap(SdncJsonHelper::parseJsonArrayOfString);
+ }
+ throw new NullPointerException(UNHANDELED_PROTOCOL + this.protocolType);
}
- private Mono<String> deletePolicyById(String policyId) {
- final String ricUrl = uri.createDeleteUri(policyId);
+ private Mono<String> deletePolicyById(String type, String policyId) {
+ final String ricUrl = getUriBuilder().createDeleteUri(type, policyId);
return post("deleteA1Policy", ricUrl, Optional.empty());
}
.nearRtRicUrl(ricUrl) //
.body(body) //
.build();
- final String inputJsonString = JsonHelper.createInputJsonString(inputParams);
+ final String inputJsonString = SdncJsonHelper.createInputJsonString(inputParams);
return restClient
- .postWithAuthHeader(controllerUrl(rpcName), inputJsonString, a1ControllerUsername, a1ControllerPassword)
+ .postWithAuthHeader(controllerUrl(rpcName), inputJsonString, this.controllerConfig.userName(),
+ this.controllerConfig.password()) //
.flatMap(this::extractResponseBody);
}