Initial support for auto-instrumentation

Signed-off-by: Pavol Loffay <p.loffay@gmail.com>

api/v1alpha1/opentelemetryinst_types.go

@@ -0,0 +1,68 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed 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.
+
+package v1alpha1
+
+import metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+type OpenTelemetryInstSpec struct {
+	// +optional
+	// +operator-sdk:gen-csv:customresourcedefinitions.specDescriptors=true
+	Java JavaSpec `json:"java,omitempty"`
+	// +optional
+	// +operator-sdk:gen-csv:customresourcedefinitions.specDescriptors=true
+	Reporter `json:"reporter,omitempty"`
+}
+
+type JavaSpec struct {
+	// +optional
+	// +operator-sdk:gen-csv:customresourcedefinitions.specDescriptors=true
+	Image string `json:"image,omitempty"`
+}
+
+type Reporter struct {
+	// +optional
+	// +operator-sdk:gen-csv:customresourcedefinitions.specDescriptors=true
+	Endpoint string `json:"endpoint,omitempty"`
+}
+
+type OpenTelemetryInstStatus struct {
+}
+
+// +kubebuilder:object:root=true
+// +kubebuilder:resource:shortName=otelinst;otelinsts
+// +kubebuilder:subresource:status
+// +kubebuilder:subresource:scale:specpath=.spec.replicas,statuspath=.status.replicas
+// +kubebuilder:printcolumn:name="Age",type="date",JSONPath=".metadata.creationTimestamp"
+// +operator-sdk:csv:customresourcedefinitions:displayName="OpenTelemetry Instrumentation"
+
+type OpenTelemetryInst struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   OpenTelemetryInstSpec   `json:"spec,omitempty"`
+	Status OpenTelemetryInstStatus `json:"status,omitempty"`
+}
+
+// +kubebuilder:object:root=true
+
+type OpenTelemetryInstList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []OpenTelemetryInst `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&OpenTelemetryInst{}, &OpenTelemetryInstList{})
+}

bundle/manifests/opentelemetry-operator.clusterserviceversion.yaml

@@ -34,6 +34,9 @@ spec:
     - kind: OpenTelemetryCollector
       name: opentelemetrycollectors.opentelemetry.io
       version: v1alpha1
+    - kind: OpenTelemetryInst
+      name: opentelemetryinsts.opentelemetry.io
+      version: v1alpha1
   description: |-
     OpenTelemetry is a collection of tools, APIs, and SDKs. You use it to instrument, generate, collect, and export telemetry data (metrics, logs, and traces) for analysis in order to understand your software's performance and behavior.
 
@@ -174,6 +177,14 @@ spec:
           - get
           - patch
           - update
+        - apiGroups:
+          - opentelemetry.io
+          resources:
+          - opentelemetryinsts
+          verbs:
+          - get
+          - list
+          - watch
         - apiGroups:
           - authentication.k8s.io
           resources:

bundle/manifests/opentelemetry.io_opentelemetryinsts.yaml

@@ -0,0 +1,68 @@
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.6.0-beta.0
+  creationTimestamp: null
+  name: opentelemetryinsts.opentelemetry.io
+spec:
+  group: opentelemetry.io
+  names:
+    kind: OpenTelemetryInst
+    listKind: OpenTelemetryInstList
+    plural: opentelemetryinsts
+    shortNames:
+    - otelinst
+    - otelinsts
+    singular: opentelemetryinst
+  scope: Namespaced
+  versions:
+  - additionalPrinterColumns:
+    - jsonPath: .metadata.creationTimestamp
+      name: Age
+      type: date
+    name: v1alpha1
+    schema:
+      openAPIV3Schema:
+        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:
+            properties:
+              java:
+                properties:
+                  image:
+                    type: string
+                type: object
+              reporter:
+                properties:
+                  endpoint:
+                    type: string
+                type: object
+            type: object
+          status:
+            type: object
+        type: object
+    served: true
+    storage: true
+    subresources:
+      scale:
+        specReplicasPath: .spec.replicas
+        statusReplicasPath: .status.replicas
+      status: {}
+status:
+  acceptedNames:
+    kind: ""
+    plural: ""
+  conditions: []
+  storedVersions: []

config/crd/bases/opentelemetry.io_opentelemetryinsts.yaml

@@ -0,0 +1,70 @@
+
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.6.0-beta.0
+  creationTimestamp: null
+  name: opentelemetryinsts.opentelemetry.io
+spec:
+  group: opentelemetry.io
+  names:
+    kind: OpenTelemetryInst
+    listKind: OpenTelemetryInstList
+    plural: opentelemetryinsts
+    shortNames:
+    - otelinst
+    - otelinsts
+    singular: opentelemetryinst
+  scope: Namespaced
+  versions:
+  - additionalPrinterColumns:
+    - jsonPath: .metadata.creationTimestamp
+      name: Age
+      type: date
+    name: v1alpha1
+    schema:
+      openAPIV3Schema:
+        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:
+            properties:
+              java:
+                properties:
+                  image:
+                    type: string
+                type: object
+              reporter:
+                properties:
+                  endpoint:
+                    type: string
+                type: object
+            type: object
+          status:
+            type: object
+        type: object
+    served: true
+    storage: true
+    subresources:
+      scale:
+        specReplicasPath: .spec.replicas
+        statusReplicasPath: .status.replicas
+      status: {}
+status:
+  acceptedNames:
+    kind: ""
+    plural: ""
+  conditions: []
+  storedVersions: []

config/crd/kustomization.yaml

@@ -3,6 +3,7 @@
 # It should be run by config/default
 resources:
 - bases/opentelemetry.io_opentelemetrycollectors.yaml
+- bases/opentelemetry.io_opentelemetryinsts.yaml
 # +kubebuilder:scaffold:crdkustomizeresource
 
 patchesStrategicMerge:

config/rbac/role.yaml

@@ -129,3 +129,11 @@ rules:
   - get
   - patch
   - update
+- apiGroups:
+  - opentelemetry.io
+  resources:
+  - opentelemetryinsts
+  verbs:
+  - get
+  - list
+  - watch