Merge pull request #3752 from akhilmhdh/feat/k8s-metadata-auth

feat: added k8s metadata in template policy

backend/src/@types/fastify.d.ts

@@ -119,6 +119,10 @@ declare module "@fastify/request-context" {
       oidc?: {
         claims: Record<string, string>;
       };
+      kubernetes?: {
+        namespace: string;
+        name: string;
+      };
     };
     identityPermissionMetadata?: Record<string, unknown>; // filled by permission service
     assumedPrivilegeDetails?: { requesterId: string; actorId: string; actorType: ActorType; projectId: string };

backend/src/server/plugins/auth/inject-identity.ts

@@ -155,6 +155,12 @@ export const injectIdentity = fp(async (server: FastifyZodProvider) => {
             oidc: token?.identityAuth?.oidc
           });
         }
+        if (token?.identityAuth?.kubernetes) {
+          requestContext.set("identityAuthInfo", {
+            identityId: identity.identityId,
+            kubernetes: token?.identityAuth?.kubernetes
+          });
+        }
         break;
       }
       case AuthMode.SERVICE_TOKEN: {

backend/src/services/identity-access-token/identity-access-token-types.ts

@@ -11,5 +11,9 @@ export type TIdentityAccessTokenJwtPayload = {
     oidc?: {
       claims: Record<string, string>;
     };
+    kubernetes?: {
+      namespace: string;
+      name: string;
+    };
   };
 };

backend/src/services/identity-kubernetes-auth/identity-kubernetes-auth-service.ts

@@ -416,7 +416,13 @@ export const identityKubernetesAuthServiceFactory = ({
       {
         identityId: identityKubernetesAuth.identityId,
         identityAccessTokenId: identityAccessToken.id,
-        authTokenType: AuthTokenType.IDENTITY_ACCESS_TOKEN
+        authTokenType: AuthTokenType.IDENTITY_ACCESS_TOKEN,
+        identityAuth: {
+          kubernetes: {
+            namespace: targetNamespace,
+            name: targetName
+          }
+        }
       } as TIdentityAccessTokenJwtPayload,
       appCfg.AUTH_SECRET,
       // akhilmhdh: for non-expiry tokens you should not even set the value, including undefined. Even for undefined jsonwebtoken throws error

docs/documentation/platform/access-controls/abac/managing-machine-identity-attributes.mdx

@@ -61,6 +61,18 @@ For methods like OIDC, these come as claims in the token and can be made availab
     ```
 
     <img src="/images/platform/access-controls/abac-policy-oidc-format.png" />
+
+  </Tab>
+  <Tab title="Kubernetes Login Attributes">
+				For identities authenticated using Kubernetes, the service account's namespace and name are available in their policy and can be accessed as follows:
+
+    ```
+    {{ identity.auth.kubernetes.namespace }}
+    {{ identity.auth.kubernetes.name }}
+    ```
+
+    <img src="/images/platform/access-controls/abac-policy-k8s-format.png" />
+
   </Tab>
   <Tab title="Other Authentication Method Attributes">
     At the moment we only support OIDC claims. Payloads on other authentication methods are not yet accessible.