| // 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 controllers |
| |
| import ( |
| dsv1alpha1 "dolphinscheduler-operator/api/v1alpha1" |
| "fmt" |
| |
| corev1 "k8s.io/api/core/v1" |
| "k8s.io/apimachinery/pkg/labels" |
| ) |
| |
| func applyPodPolicy(pod *corev1.Pod, policy *dsv1alpha1.PodPolicy) { |
| if policy == nil { |
| return |
| } |
| |
| if policy.Affinity != nil { |
| pod.Spec.Affinity = policy.Affinity |
| } |
| |
| if len(policy.NodeSelector) != 0 { |
| pod = PodWithNodeSelector(pod, policy.NodeSelector) |
| } |
| |
| if len(policy.Tolerations) != 0 { |
| pod.Spec.Tolerations = policy.Tolerations |
| } |
| |
| mergeLabels(pod.Labels, policy.Labels) |
| |
| if &policy.Resources != nil { |
| workerLogger.Info("the resources is ", "resources", policy.Resources) |
| pod.Spec.Containers[0] = containerWithRequirements(pod.Spec.Containers[0], policy.Resources) |
| } |
| |
| if len(policy.Envs) != 0 { |
| pod.Spec.Containers[0].Env = append(pod.Spec.Containers[0].Env, policy.Envs...) |
| } |
| |
| for key, value := range policy.Annotations { |
| pod.ObjectMeta.Annotations[key] = value |
| } |
| } |
| |
| func containerWithRequirements(c corev1.Container, r corev1.ResourceRequirements) corev1.Container { |
| c.Resources = r |
| return c |
| } |
| |
| func ImageName(repo, version string) string { |
| return fmt.Sprintf("%s:%v", repo, version) |
| } |
| |
| func PodWithNodeSelector(p *corev1.Pod, ns map[string]string) *corev1.Pod { |
| p.Spec.NodeSelector = ns |
| return p |
| } |
| |
| func LabelForWorkerPod() map[string]string { |
| return LabelsForCluster(dsv1alpha1.DsWorkerLabel) |
| } |
| |
| func LabelsForCluster(lbs string) map[string]string { |
| return labels.Set{dsv1alpha1.DsAppName: lbs} |
| } |
| |
| func LabelsForService() map[string]string { |
| return labels.Set{dsv1alpha1.DsServiceLabel: dsv1alpha1.DsServiceLabelValue} |
| } |
| |
| // AddLogVolumeToPod abstract the process of appending volume spec to pod spec |
| func AddLogVolumeToPod(pod *corev1.Pod, pvcName string) { |
| vol := corev1.Volume{Name: dsv1alpha1.DsLogVolumeName} |
| |
| vom := corev1.VolumeMount{ |
| Name: dsv1alpha1.DsLogVolumeName, |
| MountPath: dsv1alpha1.DsLogVolumeMountDir, |
| SubPath: pod.Name, |
| } |
| |
| if len(pvcName) != 0 { |
| vol.VolumeSource = corev1.VolumeSource{ |
| PersistentVolumeClaim: &corev1.PersistentVolumeClaimVolumeSource{ClaimName: pvcName}, |
| } |
| } else { |
| vol.VolumeSource = corev1.VolumeSource{EmptyDir: &corev1.EmptyDirVolumeSource{}} |
| } |
| pod.Spec.Volumes = append(pod.Spec.Volumes, vol) |
| |
| pod.Spec.Containers[0].VolumeMounts = append(pod.Spec.Containers[0].VolumeMounts, vom) |
| } |
| |
| // AddLibVolumeToPod abstract the process of appending volume /opt/soft spec to pod spec,it is shared by all worker nodes,and it is read only |
| // Suggest to mount a share volume in production env directly |
| func AddLibVolumeToPod(pod *corev1.Pod, pvcName string) { |
| vol := corev1.Volume{Name: dsv1alpha1.DsShareVolumeName} |
| |
| vom := corev1.VolumeMount{ |
| Name: dsv1alpha1.DsShareVolumeName, |
| MountPath: dsv1alpha1.DsShareVolumeMountDir, |
| ReadOnly: true, |
| } |
| |
| if len(pvcName) != 0 { |
| vol.VolumeSource = corev1.VolumeSource{ |
| PersistentVolumeClaim: &corev1.PersistentVolumeClaimVolumeSource{ClaimName: pvcName}, |
| } |
| } else { |
| vol.VolumeSource = corev1.VolumeSource{EmptyDir: &corev1.EmptyDirVolumeSource{}} |
| } |
| pod.Spec.Volumes = append(pod.Spec.Volumes, vol) |
| |
| pod.Spec.Containers[0].VolumeMounts = append(pod.Spec.Containers[0].VolumeMounts, vom) |
| } |
| |
| // mergeLabels merges l2 into l1. Conflicting label will be skipped. |
| func mergeLabels(l1, l2 map[string]string) { |
| for k, v := range l2 { |
| if _, ok := l1[k]; ok { |
| continue |
| } |
| l1[k] = v |
| } |
| } |
| |
| func IsRunningAndReady(pod *corev1.Pod) bool { |
| return pod.Status.Phase == corev1.PodRunning && IsPodReady(pod) |
| } |
| |
| // IsPodReady returns true if a pod is ready; false otherwise. |
| func IsPodReady(pod *corev1.Pod) bool { |
| return IsPodReadyConditionTrue(pod.Status) |
| } |
| |
| // IsPodReadyConditionTrue returns true if a pod is ready; false otherwise. |
| func IsPodReadyConditionTrue(status corev1.PodStatus) bool { |
| condition := GetPodReadyCondition(status) |
| return condition != nil && condition.Status == corev1.ConditionTrue |
| } |
| |
| // GetPodReadyCondition extracts the pod ready condition from the given status and returns that. |
| // Returns nil if the condition is not present. |
| func GetPodReadyCondition(status corev1.PodStatus) *corev1.PodCondition { |
| _, condition := GetPodCondition(&status, corev1.PodReady) |
| return condition |
| } |
| |
| // GetPodCondition extracts the provided condition from the given status and returns that. |
| // Returns nil and -1 if the condition is not present, and the index of the located condition. |
| func GetPodCondition(status *corev1.PodStatus, conditionType corev1.PodConditionType) (int, *corev1.PodCondition) { |
| if status == nil { |
| return -1, nil |
| } |
| return GetPodConditionFromList(status.Conditions, conditionType) |
| } |
| |
| // GetPodConditionFromList extracts the provided condition from the given list of condition and |
| // returns the index of the condition and the condition. Returns -1 and nil if the condition is not present. |
| func GetPodConditionFromList(conditions []corev1.PodCondition, conditionType corev1.PodConditionType) (int, *corev1.PodCondition) { |
| if conditions == nil { |
| return -1, nil |
| } |
| for i := range conditions { |
| if conditions[i].Type == conditionType { |
| return i, &conditions[i] |
| } |
| } |
| return -1, nil |
| } |