| /* |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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 trait |
| |
| import ( |
| "fmt" |
| |
| appsv1 "k8s.io/api/apps/v1" |
| corev1 "k8s.io/api/core/v1" |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| |
| v1 "github.com/apache/camel-k/pkg/apis/camel/v1" |
| ) |
| |
| // The Deployment trait is responsible for generating the Kubernetes deployment that will make sure |
| // the integration will run in the cluster. |
| // |
| // +camel-k:trait=deployment |
| type deploymentTrait struct { |
| BaseTrait `property:",squash"` |
| } |
| |
| var _ ControllerStrategySelector = &deploymentTrait{} |
| |
| func newDeploymentTrait() Trait { |
| return &deploymentTrait{ |
| BaseTrait: NewBaseTrait("deployment", 1100), |
| } |
| } |
| |
| func (t *deploymentTrait) Configure(e *Environment) (bool, error) { |
| if t.Enabled != nil && !*t.Enabled { |
| e.Integration.Status.SetCondition( |
| v1.IntegrationConditionDeploymentAvailable, |
| corev1.ConditionFalse, |
| v1.IntegrationConditionDeploymentAvailableReason, |
| "explicitly disabled", |
| ) |
| |
| return false, nil |
| } |
| |
| if e.IntegrationInPhase(v1.IntegrationPhaseRunning) { |
| condition := e.Integration.Status.GetCondition(v1.IntegrationConditionDeploymentAvailable) |
| return condition != nil && condition.Status == corev1.ConditionTrue, nil |
| } |
| |
| // |
| // Don't deploy when a different strategy is needed (e.g. Knative, Cron) |
| // |
| strategy, err := e.DetermineControllerStrategy() |
| if err != nil { |
| e.Integration.Status.SetErrorCondition( |
| v1.IntegrationConditionDeploymentAvailable, |
| v1.IntegrationConditionDeploymentAvailableReason, |
| err, |
| ) |
| |
| return false, err |
| } |
| |
| if strategy != ControllerStrategyDeployment { |
| e.Integration.Status.SetCondition( |
| v1.IntegrationConditionDeploymentAvailable, |
| corev1.ConditionFalse, |
| v1.IntegrationConditionDeploymentAvailableReason, |
| "controller strategy: "+string(strategy), |
| ) |
| return false, nil |
| } |
| |
| return e.IntegrationInPhase(v1.IntegrationPhaseDeploying), nil |
| } |
| |
| func (t *deploymentTrait) SelectControllerStrategy(e *Environment) (*ControllerStrategy, error) { |
| if t.Enabled != nil && !*t.Enabled { |
| return nil, nil |
| } |
| deploymentStrategy := ControllerStrategyDeployment |
| return &deploymentStrategy, nil |
| } |
| |
| func (t *deploymentTrait) ControllerStrategySelectorOrder() int { |
| return 10000 |
| } |
| |
| func (t *deploymentTrait) Apply(e *Environment) error { |
| if e.InPhase(v1.IntegrationKitPhaseReady, v1.IntegrationPhaseDeploying) || |
| e.InPhase(v1.IntegrationKitPhaseReady, v1.IntegrationPhaseRunning) { |
| maps := e.ComputeConfigMaps() |
| deployment := t.getDeploymentFor(e) |
| |
| e.Resources.AddAll(maps) |
| e.Resources.Add(deployment) |
| |
| e.Integration.Status.SetCondition( |
| v1.IntegrationConditionDeploymentAvailable, |
| corev1.ConditionTrue, |
| v1.IntegrationConditionDeploymentAvailableReason, |
| fmt.Sprintf("deployment name is %s", deployment.Name), |
| ) |
| |
| if e.IntegrationInPhase(v1.IntegrationPhaseRunning) { |
| // Reconcile the deployment replicas |
| replicas := e.Integration.Spec.Replicas |
| // Deployment replicas defaults to 1, so we avoid forcing |
| // an update to nil that will result to another update cycle |
| // back to that default value by the Deployment controller. |
| if replicas == nil { |
| one := int32(1) |
| replicas = &one |
| } |
| deployment.Spec.Replicas = replicas |
| } |
| } |
| |
| return nil |
| } |
| |
| // IsPlatformTrait overrides base class method |
| func (t *deploymentTrait) IsPlatformTrait() bool { |
| return true |
| } |
| |
| func (t *deploymentTrait) getDeploymentFor(e *Environment) *appsv1.Deployment { |
| // create a copy to avoid sharing the underlying annotation map |
| annotations := make(map[string]string) |
| if e.Integration.Annotations != nil { |
| for k, v := range FilterTransferableAnnotations(e.Integration.Annotations) { |
| annotations[k] = v |
| } |
| } |
| |
| deployment := appsv1.Deployment{ |
| TypeMeta: metav1.TypeMeta{ |
| Kind: "Deployment", |
| APIVersion: appsv1.SchemeGroupVersion.String(), |
| }, |
| ObjectMeta: metav1.ObjectMeta{ |
| Name: e.Integration.Name, |
| Namespace: e.Integration.Namespace, |
| Labels: map[string]string{ |
| v1.IntegrationLabel: e.Integration.Name, |
| }, |
| Annotations: annotations, |
| }, |
| Spec: appsv1.DeploymentSpec{ |
| Replicas: e.Integration.Spec.Replicas, |
| Selector: &metav1.LabelSelector{ |
| MatchLabels: map[string]string{ |
| v1.IntegrationLabel: e.Integration.Name, |
| }, |
| }, |
| Template: corev1.PodTemplateSpec{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Labels: map[string]string{ |
| v1.IntegrationLabel: e.Integration.Name, |
| }, |
| Annotations: annotations, |
| }, |
| Spec: corev1.PodSpec{ |
| ServiceAccountName: e.Integration.Spec.ServiceAccountName, |
| }, |
| }, |
| }, |
| } |
| |
| return &deployment |
| } |