feat: Introduce CloudEventSources CRD and adding ClusterName parameter (

#572)

* Add CloudEventSources Crd and ClustetName Parameter

Signed-off-by: SpiritZhou <iammrzhouzhenghan@gmail.com>

* Update

Signed-off-by: SpiritZhou <iammrzhouzhenghan@gmail.com>

* Update

Signed-off-by: SpiritZhou <iammrzhouzhenghan@gmail.com>

* Update keda/values.yaml

Co-authored-by: Tom Kerkhove <kerkhove.tom@gmail.com>
Signed-off-by: SpiritZhou <iammrzhouzhenghan@gmail.com>

* Fix

Signed-off-by: SpiritZhou <iammrzhouzhenghan@gmail.com>

* Update

Signed-off-by: SpiritZhou <iammrzhouzhenghan@gmail.com>

* Revert unnecessary update

Signed-off-by: SpiritZhou <iammrzhouzhenghan@gmail.com>

---------

Signed-off-by: SpiritZhou <iammrzhouzhenghan@gmail.com>
Co-authored-by: Tom Kerkhove <kerkhove.tom@gmail.com>

.github/workflows/ci-core.yml

@@ -197,6 +197,9 @@ jobs:
 
     - name: Verify scaledobjects.keda.sh CRD is installed
       run: kubectl get crd/scaledobjects.keda.sh -o wide
+
+    - name: Verify cloudeventsources.eventing.keda.sh CRD is installed
+      run: kubectl get crd/cloudeventsources.eventing.keda.sh -o wide
 
     - name: Get all ScaledObjects
       run: kubectl get scaledobjects -o wide
@@ -210,6 +213,9 @@ jobs:
     - name: Get all ClusterTriggerAuthentication
       run: kubectl get clustertriggerauth -o wide
 
+    - name: Get all CloudEventSource
+      run: kubectl get cloudeventsource -o wide
+
     - name: Deploy Nginx with autoscaling
       run: kubectl apply -f ./samples/nginx-scaledobject.yml
 

keda/README.md

@@ -70,6 +70,7 @@ their default values.
 | `certificates.mountPath` | string | `"/certs"` | Path where KEDA TLS certificates are mounted |
 | `certificates.secretName` | string | `"kedaorg-certs"` | Secret name to be mounted with KEDA TLS certificates |
 | `clusterDomain` | string | `"cluster.local"` | Kubernetes cluster domain |
+| `clusterName` | string | `"kubernetes-default"` | Kubernetes cluster name. Used in features such as emitting CloudEvents |
 | `crds.install` | bool | `true` | Defines whether the KEDA CRDs have to be installed or not. |
 | `env` | list | `[]` | Additional environment variables that will be passed onto all KEDA components |
 | `extraObjects` | list | `[]` | Array of extra K8s manifests to deploy |

keda/templates/crds/crd-cloudeventsources.yaml

@@ -0,0 +1,96 @@
+{{- if .Values.crds.install }}
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.13.0
+  labels:
+    app.kubernetes.io/name: {{ .Values.operator.name }}
+    {{- include "keda.labels" . | indent 4 }}
+  name: cloudeventsources.eventing.keda.sh
+spec:
+  group: eventing.keda.sh
+  names:
+    kind: CloudEventSource
+    listKind: CloudEventSourceList
+    plural: cloudeventsources
+    singular: cloudeventsource
+  scope: Namespaced
+  versions:
+  - additionalPrinterColumns:
+    - jsonPath: .status.conditions[?(@.type=="Active")].status
+      name: Active
+      type: string
+    name: v1alpha1
+    schema:
+      openAPIV3Schema:
+        description: CloudEventSource defines how a KEDA event will be sent to event
+          sink
+        properties:
+          apiVersion:
+            description: 'APIVersion defines the versioned schema of this representation
+              of an object. Servers should convert recognized schemas to the latest
+              internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+            type: string
+          kind:
+            description: 'Kind is a string value representing the REST resource this
+              object represents. Servers may infer this from the endpoint the client
+              submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+            type: string
+          metadata:
+            type: object
+          spec:
+            description: CloudEventSourceSpec defines the spec of CloudEventSource
+            properties:
+              clusterName:
+                type: string
+              destination:
+                description: Destination defines the various ways to emit events
+                properties:
+                  http:
+                    properties:
+                      uri:
+                        type: string
+                    required:
+                    - uri
+                    type: object
+                type: object
+            required:
+            - destination
+            type: object
+          status:
+            description: CloudEventSourceStatus defines the observed state of CloudEventSource
+            properties:
+              conditions:
+                description: Conditions an array representation to store multiple
+                  Conditions
+                items:
+                  description: Condition to store the condition state
+                  properties:
+                    message:
+                      description: A human readable message indicating details about
+                        the transition.
+                      type: string
+                    reason:
+                      description: The reason for the condition's last transition.
+                      type: string
+                    status:
+                      description: Status of the condition, one of True, False, Unknown.
+                      type: string
+                    type:
+                      description: Type of condition
+                      type: string
+                  required:
+                  - status
+                  - type
+                  type: object
+                type: array
+            type: object
+        required:
+        - spec
+        type: object
+    served: true
+    storage: true
+    subresources:
+      status: {}
+{{- end -}}

keda/templates/manager/clusterrole.yaml

@@ -99,6 +99,13 @@ rules:
   - leases
   verbs:
   - '*'
+- apiGroups:
+  - eventing.keda.sh
+  resources:
+  - cloudeventsources
+  - cloudeventsources/status
+  verbs:
+  - '*'
 - apiGroups:
   - keda.sh
   resources:

keda/templates/manager/deployment.yaml

@@ -91,6 +91,7 @@ spec:
           - "--operator-service-name={{ .Values.operator.name }}"
           - "--metrics-server-service-name={{ .Values.operator.name }}-metrics-apiserver"
           - "--webhooks-service-name={{ .Values.webhooks.name }}"
+          - "--k8s-cluster-name={{ .Values.clusterName }}"
           - "--k8s-cluster-domain={{ .Values.clusterDomain }}"
           {{- if .Values.prometheus.operator.enabled }}
           - "--metrics-bind-address=:{{ .Values.prometheus.operator.port }}"

keda/values.yaml

@@ -32,6 +32,9 @@ image:
   # -- Image pullPolicy for all KEDA components
   pullPolicy: Always
 
+# -- Kubernetes cluster name. Used in features such as emitting CloudEvents
+clusterName: kubernetes-default
+
 # -- Kubernetes cluster domain
 clusterDomain: cluster.local