Add a unique identifier to each feature (kubernetes#88)

* Add a unique identifier to each fature

* Change IDs to strings

* Update feature IDs

FEATURES.md

@@ -27,7 +27,7 @@ features:
         next: "1.10"
     area:  Observability
 ```
-
+* **id** is a unique, machine readable identifier for the feature.
 * **name** indicates the name of the feature.
 * **area** indicates the area of the feature.
 * **link** indicates a primary link that users can navigate to in order to find out more about a feature. This link may be provided to users by tooling consuming features.yaml.

features.yaml

@@ -1,79 +1,92 @@
 features:
   - name: "Protocols:HTTP1.1/HTTP2/gRPC/TCP"
+    id: "traffic.http_protocols"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Traffic Management
   - name: "Protocols:Websockets/MongoDB"
+    id: "traffic.websocket_protocols"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Traffic Management
   - name: "Traffic Control: label/content based routing, traffic shifting"
+    id: "traffic.control"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Traffic Management
   - name: "Resilience features: timeouts, retries, connection pools, outlier detection"
+    id: "traffic.resilience"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Traffic Management
   - name: "Gateway: Ingress, Egress for all protocols"
+    id: "traffic.ingress_gateway"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Traffic Management
   - name: "Gateway Injection"
+    id: :"traffic.gateway_injection"
     level:
       checklist: features/gateway_injection.md
       maturity: Alpha
       nextExpectedPromotion: "1.11"
     area: Traffic Management
   - name: "TLS termination and SNI Support in Gateways"
+    id: "traffic.tls_termination"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Traffic Management
   - name: "SNI (multiple certs) at ingress"
+    id: "traffic.multi_cert_ingress_sni"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Traffic Management
   - name: "Locality load balancing"
+    id: "traffic.locality_load_balancing"
     link: "/docs/tasks/traffic-management/locality-load-balancing/"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Traffic Management
   - name: "Enabling custom filters in Envoy"
+    id: "traffic.custom_envoy_filters"
     level:
       checklist: ""
       maturity: Alpha
       nextExpectedPromotion: ""
     area: Traffic Management
   - name: "CNI container interface"
+    id: "traffic.cni"
     level:
       checklist: features/cni.md
       maturity: Alpha
       nextExpectedPromotion: ""
     area: Traffic Management
   - name: "Sidecar API"
+    id: "traffic.sidecar"
     link: "/docs/reference/config/networking/sidecar/"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Traffic Management
   - name: "DNS Proxying"
+    id: "traffic.dns_proxying"
     link: "/docs/ops/configuration/traffic-management/dns-proxy/"
     level:
       checklist: ""
@@ -87,213 +100,245 @@ features:
       maturity: Alpha
       nextExpectedPromotion: ""
     area: Traffic Management
+    id: "traffic.k8s_gateway_apis"
   - name: "Gateway Network Topology Configuration"
+    id: "traffic.gateway_topology"
     level:
        checklist: features/configuring_gateway_network_topology.md
        maturity: Alpha
        nextExpectedPromotion: ""
     area: Traffic Management
   - name: "Kubernetes Multi-Cluster Service (MCS) Discovery"
+    id: :"traffic.kubernetes_mcs"
     level:
       checklist: features/kubernetes_mcs.md
       maturity: Experimental
       nextExpectedPromotion: "1.11"
     area: Traffic Management
   - name: "Prometheus Integration"
+    id: "traffic.prometheus"
     link: "/docs/tasks/observability/metrics/querying-metrics/"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Observability
   - name: "Service Dashboard in Grafana"
+    id: "observability.grafana"
     link: "/docs/tasks/observability/metrics/using-istio-dashboard/"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Observability
   - name: "Distributed Tracing"
+    id: "observability.distributed_tracing"
     link: "/docs/tasks/observability/distributed-tracing/"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Observability
   - name: "Stackdriver Integration"
+    id: "observability.stackdriver"
     link: "/docs/reference/config/proxy_extensions/stackdriver/"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Observability
   - name: "Distributed Tracing to Zipkin/Jaeger"
+    id: "observability.distributed_zipkin_tracing"
     link: "/docs/tasks/observability/distributed-tracing/"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Observability
   - name: "Trace Sampling"
+    id: "observability.trace_sampling"
     link: "/docs/tasks/observability/distributed-tracing/configurability/#trace-sampling"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Observability
   - name: "Request Classification"
+    id: "observability.request_classification"
     link: "/docs/tasks/observability/metrics/classify-metrics/"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Observability
   - name: "WebAssembly Extension"
+    id: "observability.webassembly"
     level:
       checklist: ""
       maturity: Alpha
       nextExpectedPromotion: ""
     area: Extensibility
   - name: "Service-to-service Mutual TLS"
+    id: "extensability.mtls"
     link: "/docs/concepts/security/#mutual-tls-authentication"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Security and policy enforcement
   - name: "Kubernetes: Service Credential Distribution"
+    id: "observabilility.service_credential_distribution"
     link: "/docs/concepts/security/#pki"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Security and policy enforcement
   - name: "Certificate management on Ingress Gateway"
+    id: "security.ingress_cert_management"
     link: "/docs/tasks/traffic-management/ingress/secure-ingress"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Security and policy enforcement
   - name: "Pluggable Key/Cert Support for istio CA"
+    id: "security.istioca_pluggable_cert_support"
     link: "/docs/tasks/security/cert-management/plugin-ca-cert/"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Security and policy enforcement
   - name: "Authorization"
+    id: "security.authorization"
     link: "/docs/concepts/security/#authorization"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Security and policy enforcement
   - name: "End User (JWT) Authentication"
+    id: "security.jwt_authentication"
     link: "/docs/concepts/security/#authentication"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Security and policy enforcement
   - name: "Automatic mutual TLS"
+    id: "security.automatic_mtls"
     link: "/docs/tasks/security/authentication/authn-policy/#auto-mutual-tls"
     level:
       checklist: features/auto_mtls.md
       maturity: Beta
       nextExpectedPromotion: ""
     area: Security and policy enforcement
   - name: "VM: Service Credential Distribution"
+    id: "security.vm_credential_distribution"
     link: "/docs/concepts/security/#pki"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Security and policy enforcement
   - name: "Mutual TLS Migration"
+    id: "security.mtls_migration"
     link: "/docs/tasks/security/authentication/mtls-migration"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Security and policy enforcement
   - name: "In-Cluster Operator"
+    id: "core.in_cluster_operator"
     link: "/docs/setup/install/operator/"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Core
   - name: "Kubernetes: Envoy Installation and Traffic Interception"
+    id: "core.envoy_installation"
     link: "/docs/setup/"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Core
   - name: "Kubernetes: Istio Control Plane Installation"
+    id: "core.control_plane_installation"
     link: "/docs/setup/"
     level:
       checklist: ""
       maturity: Stable
       nextExpectedPromotion: ""
     area: Core
   - name: "Multicluster Mesh"
+    id: "core.multicluster"
     link: "/docs/setup/install/multicluster/"
     level:
       checklist: features/Multi-cluster support.md
       maturity: Beta
       nextExpectedPromotion: ""
     area: Core
   - name: "External Control Plane"
+    id: "core.external_control_plane"
     link: "/docs/setup/install/external-controlplane/"
     level:
       checklist: features/external_istiod.md
       maturity: Alpha
       nextExpectedPromotion: ""
     area: Core
   - name: "Kubernetes: Istio In-Place Control Plane Upgrade"
+    id: "core.in_place_upgrade"
     link: "/docs/setup/upgrade/in-place"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Core
   - name: "Basic Configuration Resource Validation"
+    id: "core.config_resource_validation"
     level:
       checklist: ""
       maturity: Beta
       nextExpectedPromotion: ""
     area: Core
   - name: "Istio CNI Plugin"
+    id: "core.cni"
     link: "/docs/setup/additional-setup/cni/"
     level:
       checklist: ""
       maturity: Alpha
       nextExpectedPromotion: ""
     area: Core
   - name: "IPv6 Support for Kubernetes"
+    id: "core.ipv6"
     level:
       checklist: ""
       maturity: Alpha
       maturityNotes: Dual-stack IPv4 and IPv6 is not supported.
       nextExpectedPromotion: ""
     area: Core
   - name: "Distroless Base Images for Istio"
+    id: "core.distroless"
     link: "/docs/ops/configuration/security/harden-docker-images/"
     level:
       checklist: features/distroless_images.md
       maturity: Alpha
       nextExpectedPromotion: ""
     area: Core
   - name: "Virtual Machine Integration"
+    id: "core.vm_integration"
     link: "/docs/setup/install/virtual-machine/"
     level:
       checklist: features/virtual_machines.md
       maturity: Beta
       nextExpectedPromotion: ""
     area: Core
   - name: "Helm Based Installation"
+    id: "core.helm_installation"
     link: "/docs/setup/install/helm/"
     level:
       checklist: features/helm_v3_support.md
@@ -307,10 +352,12 @@ features:
       maturity: Alpha
       nextExpectedPromotion: ""
     area: Core
+    id: "core.revision_based_upgrade"
   - name: "Revision Tags"
     link: "/docs/setup/upgrade/canary/#stable-revision-labels-experimental"
     level:
       checklist: features/revision_tags.md
       maturity: Alpha
       nextExpectedPromotion: ""
     area: Core
+    id: "core.revision_tags"

features_schema.json

@@ -9,6 +9,10 @@
             "items": {
                 "type": "object",
                 "properties": {
+                     "id": {
+                       "type": "string",
+                       "description":"A unique machine-readable identifier for the feature"
+                     },
                     "name": {
                         "type": "string",
                         "description": "The name of the feature."
@@ -97,7 +101,8 @@
                 "required": [
                     "name",
                     "level",
-                    "area"
+                    "area",
+                    "id"
                 ]
             }
         }