-
Notifications
You must be signed in to change notification settings - Fork 28k
/
MountVolumesFeatureStep.scala
80 lines (66 loc) · 2.81 KB
/
MountVolumesFeatureStep.scala
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
/*
* 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 org.apache.spark.deploy.k8s.features
import io.fabric8.kubernetes.api.model._
import org.apache.spark.deploy.k8s._
private[spark] class MountVolumesFeatureStep(conf: KubernetesConf)
extends KubernetesFeatureConfigStep {
override def configurePod(pod: SparkPod): SparkPod = {
val (volumeMounts, volumes) = constructVolumes(conf.volumes).unzip
val podWithVolumes = new PodBuilder(pod.pod)
.editSpec()
.addToVolumes(volumes.toSeq: _*)
.endSpec()
.build()
val containerWithVolumeMounts = new ContainerBuilder(pod.container)
.addToVolumeMounts(volumeMounts.toSeq: _*)
.build()
SparkPod(podWithVolumes, containerWithVolumeMounts)
}
private def constructVolumes(
volumeSpecs: Iterable[KubernetesVolumeSpec]
): Iterable[(VolumeMount, Volume)] = {
volumeSpecs.map { spec =>
val volumeMount = new VolumeMountBuilder()
.withMountPath(spec.mountPath)
.withReadOnly(spec.mountReadOnly)
.withSubPath(spec.mountSubPath)
.withName(spec.volumeName)
.build()
val volumeBuilder = spec.volumeConf match {
case KubernetesHostPathVolumeConf(hostPath) =>
/* "" means that no checks will be performed before mounting the hostPath volume */
new VolumeBuilder()
.withHostPath(new HostPathVolumeSource(hostPath, ""))
case KubernetesPVCVolumeConf(claimName) =>
new VolumeBuilder()
.withPersistentVolumeClaim(
new PersistentVolumeClaimVolumeSource(claimName, spec.mountReadOnly))
case KubernetesEmptyDirVolumeConf(medium, sizeLimit) =>
new VolumeBuilder()
.withEmptyDir(
new EmptyDirVolumeSource(medium.getOrElse(""),
sizeLimit.map(new Quantity(_)).orNull))
case KubernetesNFSVolumeConf(path, server) =>
new VolumeBuilder()
.withNfs(new NFSVolumeSource(path, null, server))
}
val volume = volumeBuilder.withName(spec.volumeName).build()
(volumeMount, volume)
}
}
}