131 lines
3.1 KiB
Go
131 lines
3.1 KiB
Go
/*
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Copyright 2018 the Heptio Ark contributors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package install
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import (
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"strings"
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appsv1 "k8s.io/api/apps/v1"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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func DaemonSet(namespace string, opts ...podTemplateOption) *appsv1.DaemonSet {
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c := &podTemplateConfig{
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image: "gcr.io/heptio-images/ark:latest",
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}
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for _, opt := range opts {
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opt(c)
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}
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pullPolicy := corev1.PullAlways
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imageParts := strings.Split(c.image, ":")
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if len(imageParts) == 2 && imageParts[1] != "latest" {
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pullPolicy = corev1.PullIfNotPresent
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}
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daemonSet := &appsv1.DaemonSet{
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ObjectMeta: objectMeta(namespace, "restic"),
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Spec: appsv1.DaemonSetSpec{
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{
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"name": "restic",
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},
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},
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Template: corev1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"name": "restic",
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},
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},
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Spec: corev1.PodSpec{
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ServiceAccountName: "ark",
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Volumes: []corev1.Volume{
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{
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Name: "host-pods",
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VolumeSource: corev1.VolumeSource{
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HostPath: &corev1.HostPathVolumeSource{
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Path: "/var/lib/kubelet/pods",
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},
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},
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},
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},
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Containers: []corev1.Container{
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{
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Name: "restic",
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Image: c.image,
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ImagePullPolicy: pullPolicy,
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VolumeMounts: []corev1.VolumeMount{
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{
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Name: "host-pods",
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MountPath: "/host_pods",
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},
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},
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Env: []corev1.EnvVar{
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{
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Name: "NODE_NAME",
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ValueFrom: &corev1.EnvVarSource{
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FieldRef: &corev1.ObjectFieldSelector{
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FieldPath: "spec.nodeName",
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},
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},
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},
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{
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Name: "HEPTIO_ARK_NAMESPACE",
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ValueFrom: &corev1.EnvVarSource{
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FieldRef: &corev1.ObjectFieldSelector{
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FieldPath: "metadata.namespace",
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},
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},
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},
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{
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Name: "GOOGLE_APPLICATION_CREDENTIALS",
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Value: "/credentials/cloud",
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},
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{
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Name: "AWS_SHARED_CREDENTIALS_FILE",
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Value: "/credentials/cloud",
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},
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},
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},
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},
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},
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},
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},
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}
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if !c.withoutCredentialsVolume {
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daemonSet.Spec.Template.Spec.Volumes = append(
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daemonSet.Spec.Template.Spec.Volumes,
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corev1.Volume{
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Name: "cloud-credentials",
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VolumeSource: corev1.VolumeSource{
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Secret: &corev1.SecretVolumeSource{
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SecretName: "cloud-credentials",
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},
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},
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},
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)
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}
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daemonSet.Spec.Template.Spec.Containers[0].Env = append(daemonSet.Spec.Template.Spec.Containers[0].Env, c.envVars...)
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return daemonSet
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}
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