Add apk conf for airl

common-controller/internal/operator/controllers/dp/airatelimitpolicy_controller.go

@@ -105,6 +105,9 @@ func (r *AIRateLimitPolicyReconciler) Reconcile(ctx context.Context, req ctrl.Re
 		xds.UpdateRateLimiterPolicies(conf.CommonController.Server.Label)
 	} else {
 		loggers.LoggerAPKOperator.Infof("ratelimits found")
+		if ratelimitPolicy.Spec.Override == nil {
+			ratelimitPolicy.Spec.Override = ratelimitPolicy.Spec.Default
+		}
 		if ratelimitPolicy.Spec.TargetRef.Name != "" {
 			r.ods.AddorUpdateAIRatelimitToStore(ratelimitKey, ratelimitPolicy.Spec)
 			xds.UpdateRateLimitXDSCacheForAIRatelimitPolicies(r.ods.GetAIRatelimitPolicySpecs())

runtime/config-deployer-service/ballerina/APIClient.bal

@@ -232,6 +232,11 @@ public class APIClient {
                     serviceEntry: false,
                     url: self.constructURlFromService(sandboxEndpointConfig.endpoint)
                 };
+                AIRatelimit? aiRatelimit = sandboxEndpointConfig.aiRatelimit;
+                if aiRatelimit is AIRatelimit && aiRatelimit.enabled {
+                    model:AIRateLimitPolicy airl = self.generateAIRateLimitPolicyCR(apkConf, aiRatelimit.token, aiRatelimit.request, backendService.metadata.name, organization);
+                    apiArtifact.aiRatelimitPolicies[airl.metadata.name] = airl;
+                }
             }
         }
         if (endpointType == () || endpointType == PRODUCTION_TYPE) {
@@ -246,6 +251,11 @@ public class APIClient {
                     serviceEntry: false,
                     url: self.constructURlFromService(productionEndpointConfig.endpoint)
                 };
+                AIRatelimit? aiRatelimit = productionEndpointConfig.aiRatelimit;
+                if aiRatelimit is AIRatelimit && aiRatelimit.enabled {
+                    model:AIRateLimitPolicy airl = self.generateAIRateLimitPolicyCR(apkConf, aiRatelimit.token, aiRatelimit.request, backendService.metadata.name, organization);
+                    apiArtifact.aiRatelimitPolicies[airl.metadata.name] = airl;
+                }
             }
         }
         return endpointIdMap;
@@ -1367,6 +1377,29 @@ public class APIClient {
         return rateLimitPolicyCR;
     }
 
+    public isolated function generateAIRateLimitPolicyCR(APKConf apkConf, TokenAIRL tokenAIRL, RequestAIRL requestAIRL, string targetRefName, commons:Organization organization) returns model:AIRateLimitPolicy {
+        string apiIdentifierHash = crypto:hashSha1((apkConf.name + apkConf.version).toBytes()).toBase16();
+        model:AIRateLimitPolicy aiRateLimitPolicyCR = {
+            metadata: {
+                name: self.retrieveAIRateLimitPolicyName(apiIdentifierHash, targetRefName),
+                labels: self.getLabels(apkConf, organization)
+            },
+            spec: {
+                default: {
+                    organization: organization.name,
+                    requestCount: {unit: requestAIRL.unit, requestsPerUnit: requestAIRL.requestLimit},
+                    tokenCount: {unit: tokenAIRL.unit, requestTokenCount: tokenAIRL.promptLimit, responseTokenCount: tokenAIRL.completionLimit, totalTokenCount: tokenAIRL.totalLimit}
+                },
+                targetRef: {
+                    group: "dp.wso2.com",
+                    kind: "Backend",
+                    name: targetRefName
+                }
+            }
+        };
+        return aiRateLimitPolicyCR;
+    }
+
     isolated function retrieveRateLimitData(RateLimit rateLimit, commons:Organization organization) returns model:RateLimitData {
         model:RateLimitData rateLimitData = {
             api: {
@@ -1794,6 +1827,10 @@ public class APIClient {
         }
     }
 
+    public isolated function retrieveAIRateLimitPolicyName(string apiID, string targetRef) returns string {
+        return "airl-" + apiID + "-" + targetRef;        
+    }
+
     private isolated function validateAndRetrieveAPKConfiguration(json apkconfJson) returns APKConf|commons:APKError? {
         do {
             runtimeapi:APKConfValidationResponse validationResponse = check apkConfValidator.validate(apkconfJson.toJsonString());

runtime/config-deployer-service/ballerina/ConfigGenreatorClient.bal

@@ -199,6 +199,10 @@ public class ConfigGeneratorClient {
             string yamlString = check self.convertJsonToYaml(rateLimitPolicy.toJsonString());
             _ = check self.storeFile(yamlString, rateLimitPolicy.metadata.name, zipDir);
         }
+        foreach model:AIRateLimitPolicy airateLimitPolicy in apiArtifact.aiRatelimitPolicies {
+            string yamlString = check self.convertJsonToYaml(airateLimitPolicy.toJsonString());
+            _ = check self.storeFile(yamlString, airateLimitPolicy.metadata.name, zipDir);
+        }
         foreach model:APIPolicy apiPolicy in apiArtifact.apiPolicies {
             string yamlString = check self.convertJsonToYaml(apiPolicy.toJsonString());
             _ = check self.storeFile(yamlString, apiPolicy.metadata.name, zipDir);

runtime/config-deployer-service/ballerina/DeployerClient.bal

@@ -99,6 +99,7 @@ public class DeployerClient {
                 _ = check self.deleteScopeCrsForAPI(existingAPI, <string>apiArtifact?.organization);
                 check self.deleteBackends(existingAPI, <string>apiArtifact?.organization);
                 check self.deleteRateLimitPolicyCRs(existingAPI, <string>apiArtifact?.organization);
+                check self.deleteAIRateLimitPolicyCRs(existingAPI, <string>apiArtifact?.organization);
                 check self.deleteAPIPolicyCRs(existingAPI, <string>apiArtifact?.organization);
                 check self.deleteInterceptorServiceCRs(existingAPI, <string>apiArtifact?.organization);
                 check self.deleteBackendJWTConfig(existingAPI, <string>apiArtifact?.organization);
@@ -118,6 +119,7 @@ public class DeployerClient {
                     check self.deployBackendServices(apiArtifact, ownerReference);
                     check self.deployAuthenticationCRs(apiArtifact, ownerReference);
                     check self.deployRateLimitPolicyCRs(apiArtifact, ownerReference);
+                    check self.deployAIRateLimitPolicyCRs(apiArtifact, ownerReference);
                     check self.deployInterceptorServiceCRs(apiArtifact, ownerReference);
                     check self.deployBackendJWTConfigs(apiArtifact, ownerReference);
                     check self.deployAPIPolicyCRs(apiArtifact, ownerReference);
@@ -586,6 +588,30 @@ public class DeployerClient {
         }
     }
 
+    private isolated function deployAIRateLimitPolicyCRs(model:APIArtifact apiArtifact, model:OwnerReference ownerReference) returns error? {
+        foreach model:AIRateLimitPolicy rateLimitPolicy in apiArtifact.aiRatelimitPolicies {
+            rateLimitPolicy.metadata.ownerReferences = [ownerReference];
+            http:Response deployRateLimitPolicyResult = check deployAIRateLimitPolicyCR(rateLimitPolicy, <string>apiArtifact?.namespace);
+            if deployRateLimitPolicyResult.statusCode == http:STATUS_CREATED {
+                log:printDebug("Deployed AIRateLimitPolicy Successfully" + rateLimitPolicy.toString());
+            } else if deployRateLimitPolicyResult.statusCode == http:STATUS_CONFLICT {
+                log:printDebug("AIRateLimitPolicy already exists" + rateLimitPolicy.toString());
+                model:AIRateLimitPolicy rateLimitPolicyFromK8s = check getAIRateLimitPolicyCR(rateLimitPolicy.metadata.name, <string>apiArtifact?.namespace);
+                rateLimitPolicy.metadata.resourceVersion = rateLimitPolicyFromK8s.metadata.resourceVersion;
+                http:Response rateLimitPolicyCR = check updateAIRateLimitPolicyCR(rateLimitPolicy, <string>apiArtifact?.namespace);
+                if rateLimitPolicyCR.statusCode != http:STATUS_OK {
+                    json responsePayLoad = check rateLimitPolicyCR.getJsonPayload();
+                    model:Status statusResponse = check responsePayLoad.cloneWithType(model:Status);
+                    check self.handleK8sTimeout(statusResponse);
+                }
+            } else {
+                json responsePayLoad = check deployRateLimitPolicyResult.getJsonPayload();
+                model:Status statusResponse = check responsePayLoad.cloneWithType(model:Status);
+                check self.handleK8sTimeout(statusResponse);
+            }
+        }
+    }
+
     private isolated function deleteRateLimitPolicyCRs(model:API api, string organization) returns commons:APKError? {
         do {
             model:RateLimitPolicyList|http:ClientError rateLimitPolicyCrListResponse = check getRateLimitPolicyCRsForAPI(api.spec.apiName, api.spec.apiVersion, <string>api.metadata?.namespace, organization);
@@ -610,6 +636,29 @@ public class DeployerClient {
         }
     }
 
+    private isolated function deleteAIRateLimitPolicyCRs(model:API api, string organization) returns commons:APKError? {
+        do {
+            model:AIRateLimitPolicyList|http:ClientError aiRateLimitPolicyCrListResponse = check getAIRateLimitPolicyCRsForAPI(api.spec.apiName, api.spec.apiVersion, <string>api.metadata?.namespace, organization);
+            if aiRateLimitPolicyCrListResponse is model:AIRateLimitPolicyList {
+                foreach model:AIRateLimitPolicy item in aiRateLimitPolicyCrListResponse.items {
+                    http:Response|http:ClientError rateLimitPolicyCRDeletionResponse = deleteAIRateLimitPolicyCR(item.metadata.name, <string>item.metadata?.namespace);
+                    if rateLimitPolicyCRDeletionResponse is http:Response {
+                        if rateLimitPolicyCRDeletionResponse.statusCode != http:STATUS_OK {
+                            json responsePayLoad = check rateLimitPolicyCRDeletionResponse.getJsonPayload();
+                            model:Status statusResponse = check responsePayLoad.cloneWithType(model:Status);
+                            check self.handleK8sTimeout(statusResponse);
+                        }
+                    } else {
+                        log:printError("Error occured while deleting AI rate limit policy");
+                    }
+                }
+                return;
+            }
+        } on fail var e {
+            log:printError("Error occured deleting AI rate limit policy", e);
+            return e909022("Error occured deleting AI rate limit policy", e);
+        }
+    }
     private isolated function deleteAPIPolicyCRs(model:API api, string organization) returns commons:APKError? {
         do {
             model:APIPolicyList|http:ClientError apiPolicyCrListResponse = check getAPIPolicyCRsForAPI(api.spec.apiName, api.spec.apiVersion, <string>api.metadata?.namespace, organization);

runtime/config-deployer-service/ballerina/K8sClient.bal

@@ -250,26 +250,51 @@ isolated function deployRateLimitPolicyCR(model:RateLimitPolicy rateLimitPolicy,
     return k8sApiServerEp->post(endpoint, rateLimitPolicy, targetType = http:Response);
 }
 
+isolated function deployAIRateLimitPolicyCR(model:AIRateLimitPolicy rateLimitPolicy, string namespace) returns http:Response|http:ClientError {
+    string endpoint = "/apis/dp.wso2.com/v1alpha3/namespaces/" + namespace + "/airatelimitpolicies";
+    return k8sApiServerEp->post(endpoint, rateLimitPolicy, targetType = http:Response);
+}
+
 isolated function updateRateLimitPolicyCR(model:RateLimitPolicy rateLimitPolicy, string namespace) returns http:Response|http:ClientError {
     string endpoint = "/apis/dp.wso2.com/v1alpha1/namespaces/" + namespace + "/ratelimitpolicies/" + rateLimitPolicy.metadata.name;
     return k8sApiServerEp->put(endpoint, rateLimitPolicy, targetType = http:Response);
 }
 
+isolated function updateAIRateLimitPolicyCR(model:AIRateLimitPolicy rateLimitPolicy, string namespace) returns http:Response|http:ClientError {
+    string endpoint = "/apis/dp.wso2.com/v1alpha3/namespaces/" + namespace + "/airatelimitpolicies/" + rateLimitPolicy.metadata.name;
+    return k8sApiServerEp->put(endpoint, rateLimitPolicy, targetType = http:Response);
+}
+
 isolated function getRateLimitPolicyCR(string name, string namespace) returns model:RateLimitPolicy|http:ClientError {
     string endpoint = "/apis/dp.wso2.com/v1alpha1/namespaces/" + namespace + "/ratelimitpolicies/" + name;
     return k8sApiServerEp->get(endpoint, targetType = model:RateLimitPolicy);
 }
 
+isolated function getAIRateLimitPolicyCR(string name, string namespace) returns model:AIRateLimitPolicy|http:ClientError {
+    string endpoint = "/apis/dp.wso2.com/v1alpha3/namespaces/" + namespace + "/airatelimitpolicies/" + name;
+    return k8sApiServerEp->get(endpoint, targetType = model:AIRateLimitPolicy);
+}
+
 isolated function deleteRateLimitPolicyCR(string name, string namespace) returns http:Response|http:ClientError {
     string endpoint = "/apis/dp.wso2.com/v1alpha1/namespaces/" + namespace + "/ratelimitpolicies/" + name;
     return k8sApiServerEp->delete(endpoint, targetType = http:Response);
 }
 
+isolated function deleteAIRateLimitPolicyCR(string name, string namespace) returns http:Response|http:ClientError {
+    string endpoint = "/apis/dp.wso2.com/v1alpha3/namespaces/" + namespace + "/airatelimitpolicies/" + name;
+    return k8sApiServerEp->delete(endpoint, targetType = http:Response);
+}
+
 isolated function getRateLimitPolicyCRsForAPI(string apiName, string apiVersion, string namespace, string organization) returns model:RateLimitPolicyList|http:ClientError|error {
     string endpoint = "/apis/dp.wso2.com/v1alpha1/namespaces/" + namespace + "/ratelimitpolicies?labelSelector=" + check generateUrlEncodedLabelSelector(apiName, apiVersion, organization);
     return k8sApiServerEp->get(endpoint, targetType = model:RateLimitPolicyList);
 }
 
+isolated function getAIRateLimitPolicyCRsForAPI(string apiName, string apiVersion, string namespace, string organization) returns model:AIRateLimitPolicyList|http:ClientError|error {
+    string endpoint = "/apis/dp.wso2.com/v1alpha3/namespaces/" + namespace + "/airatelimitpolicies?labelSelector=" + check generateUrlEncodedLabelSelector(apiName, apiVersion, organization);
+    return k8sApiServerEp->get(endpoint, targetType = model:AIRateLimitPolicyList);
+}
+
 isolated function deployAPIPolicyCR(model:APIPolicy apiPolicy, string namespace) returns http:Response|http:ClientError {
     string endpoint = "/apis/dp.wso2.com/v1alpha3/namespaces/" + namespace + "/apipolicies";
     return k8sApiServerEp->post(endpoint, apiPolicy, targetType = http:Response);

runtime/config-deployer-service/ballerina/modules/model/AIRatelimitPolicy.bal

@@ -0,0 +1,47 @@
+//
+// Copyright (c) 2024, WSO2 LLC. (http://www.wso2.com).
+//
+// WSO2 LLC. licenses this file to you under the Apache License,
+// Version 2.0 (the "License"); you may not use this file except
+// in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+public type AIRateLimitPolicy record {
+    string apiVersion = "dp.wso2.com/v1alpha3";
+    string kind = "AIRateLimitPolicy";
+    Metadata metadata;
+    AIRateLimitPolicySpec spec;
+};
+
+public type AIRateLimitPolicySpec record {|
+    AIRateLimitPolicyData override?;
+    AIRateLimitPolicyData default?;
+    TargetRef targetRef;
+|};
+
+public type AIRateLimitPolicyData record {
+    string organization;
+    TokenAIRL tokenCount;
+    RequestAIRL requestCount;
+};
+
+public type TokenAIRL record {
+    string unit;
+    int requestTokenCount;
+    int responseTokenCount;
+    int totalTokenCount;
+};
+
+public type RequestAIRL record {
+    string unit;
+    int requestsPerUnit;
+};

runtime/config-deployer-service/ballerina/modules/model/APIArtifact.bal

@@ -13,6 +13,7 @@ public type APIArtifact record {|
     map<Authentication> authenticationMap = {};
     map<Scope> scopes = {};
     map<RateLimitPolicy> rateLimitPolicies = {};
+    map<AIRateLimitPolicy> aiRatelimitPolicies = {};
     map<APIPolicy> apiPolicies = {};
     map<InterceptorService> interceptorServices = {};
     boolean sandboxEndpointAvailable = false;

runtime/config-deployer-service/ballerina/modules/model/RateLimit.bal

@@ -43,3 +43,10 @@ public type RateLimitPolicyList record {
     ListMeta metadata;
     RateLimitPolicy[] items;
 };
+
+public type AIRateLimitPolicyList record {
+    string apiVersion = "dp.wso2.com/v1alpha3";
+    string kind = "AIRateLimitPolicyList";
+    ListMeta metadata;
+    AIRateLimitPolicy[] items;
+};

runtime/config-deployer-service/ballerina/resources/apk-conf-schema.yaml

@@ -360,6 +360,8 @@ components:
           $ref: "#/components/schemas/Certificate"
         resiliency:
           $ref: "#/components/schemas/Resiliency"
+        aiRatelimit:
+          $ref: "#/components/schemas/AIRatelimit"
       additionalProperties: false
     Certificate:
       type: object
@@ -599,3 +601,57 @@ components:
           type: string
           default: string
       additionalProperties: false
+    AIRatelimit:
+      type: object
+      required:
+        - enabled
+        - token
+        - request
+      properties:
+        enabled:
+          type: boolean
+          default: true
+        token:
+          $ref: "#/components/schemas/TokenAIRL"
+        request:
+          $ref: "#/components/schemas/RequestAIRL"
+    TokenAIRL:
+      type: object
+      required:
+        - promptLimit
+        - completionLimit
+        - totalLimit
+        - unit
+      properties:
+        promptLimit:
+          type: integer
+          default: 0
+        completionLimit:
+          type: integer
+          default: 0
+        totalLimit:
+          type: integer
+          default": 0
+        unit:
+          type: string
+          default: Minute
+          enum:
+            - Minute
+            - Hour
+            - Day
+    RequestAIRL:
+      type: object
+      required:
+        - requestLimit
+        - unit
+      properties:
+        requestLimit:
+          type: integer
+          default: 0
+        unit:
+          type: string
+          default: Minute
+          enum:
+            - Minute
+            - Hour
+            - Day