| /* |
| 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" |
| v1 "github.com/apache/camel-k/pkg/apis/camel/v1" |
| "github.com/ghodss/yaml" |
| v12 "k8s.io/api/core/v1" |
| "k8s.io/apimachinery/pkg/util/json" |
| "k8s.io/kubernetes/staging/src/k8s.io/apimachinery/pkg/util/strategicpatch" |
| |
| //"github.com/ghodss/yaml" |
| // cmd "github.com/apache/camel-k/pkg/cmd" |
| |
| appsv1 "k8s.io/api/apps/v1" |
| ) |
| |
| // The Pod trait allows to modify the custom PodTemplateSpec resource for the Integration pods |
| // |
| // +camel-k:trait=pdb |
| type podTrait struct { |
| BaseTrait `property:",squash"` |
| Template string `property:"template"` |
| } |
| |
| func newPodTrait() Trait { |
| return &podTrait{ |
| BaseTrait: NewBaseTrait("pod", 1800), |
| } |
| } |
| |
| func (t *podTrait) Configure(e *Environment) (bool, error) { |
| if t.Enabled == nil || !*t.Enabled { |
| return false, nil |
| } |
| |
| if t.Template == "" { |
| return false, fmt.Errorf("template must be specified") |
| } |
| |
| if _, err := t.parseTemplate(); err != nil { |
| return false, err |
| } |
| |
| return e.IntegrationInPhase( |
| v1.IntegrationPhaseDeploying, |
| v1.IntegrationPhaseRunning, |
| ), nil |
| } |
| |
| func (t *podTrait) Apply(e *Environment) error { |
| var deployment *appsv1.Deployment |
| |
| e.Resources.VisitDeployment(func(d *appsv1.Deployment) { |
| if d.Name == e.Integration.Name { |
| deployment = d |
| } |
| }) |
| |
| modifiedTemplate, err := t.mergeIntoTemplateSpec(deployment.Spec.Template, []byte(t.Template)) |
| if err != nil { |
| return err |
| } |
| deployment.Spec.Template = *modifiedTemplate |
| return nil |
| } |
| |
| func (t *podTrait) parseTemplate() (*v12.PodTemplateSpec, error) { |
| var template *v12.PodTemplateSpec |
| |
| if err := yaml.Unmarshal([]byte(t.Template), &template); err != nil { |
| return nil, err |
| } |
| return template, nil |
| } |
| |
| func (t *podTrait) mergeIntoTemplateSpec(template v12.PodTemplateSpec, changesBytes []byte) (mergedTemplate *v12.PodTemplateSpec, err error) { |
| patch, err := yaml.YAMLToJSON(changesBytes) |
| if err != nil { |
| return nil, err |
| } |
| |
| sourceJson, err := json.Marshal(template) |
| if err != nil { |
| return nil, err |
| } |
| |
| patched, err := strategicpatch.StrategicMergePatch(sourceJson, patch, v12.PodTemplateSpec{}) |
| if err != nil { |
| return nil, err |
| } |
| |
| err = json.Unmarshal(patched, &mergedTemplate) |
| return |
| } |