/
api.go
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/
api.go
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/*
Copyright 2022.
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 repo_manager
import (
"context"
"github.com/go-logr/logr"
repomanagerpulpprojectorgv1beta2 "github.com/pulp/pulp-operator/apis/repo-manager.pulpproject.org/v1beta2"
"github.com/pulp/pulp-operator/controllers"
"github.com/pulp/pulp-operator/controllers/settings"
"golang.org/x/text/cases"
"golang.org/x/text/language"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/intstr"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// ApiResource has the definition and function to provision api objects
type ApiResource struct {
Definition ResourceDefinition
Function func(controllers.FunctionResources) client.Object
}
// pulpApiController provision and reconciles api objects
func (r *RepoManagerReconciler) pulpApiController(ctx context.Context, pulp *repomanagerpulpprojectorgv1beta2.Pulp, log logr.Logger) (ctrl.Result, error) {
// conditionType is used to update .status.conditions with the current resource state
conditionType := cases.Title(language.English, cases.Compact).String(pulp.Spec.DeploymentType) + "-API-Ready"
funcResources := controllers.FunctionResources{Context: ctx, Client: r.Client, Pulp: pulp, Scheme: r.Scheme, Logger: log}
// define the k8s Deployment function based on k8s distribution and deployment type
deploymentForPulpApi := initDeployment(API_DEPLOYMENT).Deploy
deploymentName := settings.API.DeploymentName(pulp.Name)
serviceName := settings.ApiService(pulp.Name)
// list of pulp-api resources that should be provisioned
resources := []ApiResource{
// pulp-api deployment
{ResourceDefinition{ctx, &appsv1.Deployment{}, deploymentName, "Api", conditionType, pulp}, deploymentForPulpApi},
// pulp-api-svc service
{ResourceDefinition{ctx, &corev1.Service{}, serviceName, "Api", conditionType, pulp}, serviceForAPI},
}
// create telemetry resources
if pulp.Spec.Telemetry.Enabled {
telemetry := []ApiResource{
{ResourceDefinition{ctx, &corev1.ConfigMap{}, settings.OtelConfigMapName(pulp.Name), "Telemetry", conditionType, pulp}, controllers.OtelConfigMap},
{ResourceDefinition{ctx, &corev1.Service{}, settings.OtelServiceName(pulp.Name), "Telemetry", conditionType, pulp}, controllers.ServiceOtel},
}
resources = append(resources, telemetry...)
}
// create pulp-api resources
for _, resource := range resources {
requeue, err := r.createPulpResource(resource.Definition, resource.Function)
if err != nil {
return ctrl.Result{}, err
} else if requeue {
return ctrl.Result{Requeue: true}, nil
}
}
// Ensure the deployment spec is as expected
apiDeployment := &appsv1.Deployment{}
r.Get(ctx, types.NamespacedName{Name: deploymentName, Namespace: pulp.Namespace}, apiDeployment)
expected := deploymentForPulpApi(funcResources)
if requeue, err := controllers.ReconcileObject(funcResources, expected, apiDeployment, conditionType, controllers.PulpDeployment{}); err != nil || requeue {
return ctrl.Result{Requeue: requeue}, err
}
// Ensure the service spec is as expected
apiSvc := &corev1.Service{}
r.Get(ctx, types.NamespacedName{Name: serviceName, Namespace: pulp.Namespace}, apiSvc)
expectedSvc := serviceForAPI(funcResources)
if requeue, err := controllers.ReconcileObject(funcResources, expectedSvc, apiSvc, conditionType, controllers.PulpService{}); err != nil || requeue {
return ctrl.Result{Requeue: requeue}, err
}
// telemetry resources reconciliation
if pulp.Spec.Telemetry.Enabled {
// Ensure otelConfigMap is as expected
telemetryConfigMap := &corev1.ConfigMap{}
r.Get(ctx, types.NamespacedName{Name: settings.OtelConfigMapName(pulp.Name), Namespace: pulp.Namespace}, telemetryConfigMap)
expectedTelemetryConfigMap := controllers.OtelConfigMap(funcResources)
if requeue, err := controllers.ReconcileObject(funcResources, expectedTelemetryConfigMap, telemetryConfigMap, conditionType, controllers.PulpConfigMap{}); err != nil || requeue {
return ctrl.Result{Requeue: requeue}, err
}
// Ensure otelService is as expected
telemetryService := &corev1.Service{}
r.Get(ctx, types.NamespacedName{Name: settings.OtelServiceName(pulp.Name), Namespace: pulp.Namespace}, telemetryService)
expectedTelemetryService := controllers.ServiceOtel(funcResources)
if requeue, err := controllers.ReconcileObject(funcResources, expectedTelemetryService, telemetryService, conditionType, controllers.PulpService{}); err != nil || requeue {
return ctrl.Result{Requeue: requeue}, err
}
}
return ctrl.Result{}, nil
}
// serviceForAPI returns a service object for pulp-api
func serviceForAPI(resources controllers.FunctionResources) client.Object {
pulp := resources.Pulp
svc := serviceAPIObject(*pulp)
// Set Pulp instance as the owner and controller
ctrl.SetControllerReference(pulp, svc, resources.Scheme)
return svc
}
func serviceAPIObject(pulp repomanagerpulpprojectorgv1beta2.Pulp) *corev1.Service {
name := pulp.Name
namespace := pulp.Namespace
return &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: settings.ApiService(name),
Namespace: namespace,
Labels: settings.PulpcoreLabels(pulp, "api"),
},
Spec: serviceAPISpec(pulp),
}
}
// api service spec
func serviceAPISpec(pulp repomanagerpulpprojectorgv1beta2.Pulp) corev1.ServiceSpec {
serviceInternalTrafficPolicyCluster := corev1.ServiceInternalTrafficPolicyType("Cluster")
ipFamilyPolicyType := corev1.IPFamilyPolicyType("SingleStack")
serviceAffinity := corev1.ServiceAffinity("None")
servicePortProto := corev1.Protocol("TCP")
targetPort := intstr.IntOrString{IntVal: 24817}
serviceType := corev1.ServiceType("ClusterIP")
return corev1.ServiceSpec{
InternalTrafficPolicy: &serviceInternalTrafficPolicyCluster,
IPFamilies: []corev1.IPFamily{"IPv4"},
IPFamilyPolicy: &ipFamilyPolicyType,
Ports: []corev1.ServicePort{{
Name: "api-24817",
Port: 24817,
Protocol: servicePortProto,
TargetPort: targetPort,
}},
Selector: settings.PulpcoreLabels(pulp, "api"),
SessionAffinity: serviceAffinity,
Type: serviceType,
}
}