forked from rook/rook
85 lines
3.1 KiB
Go
85 lines
3.1 KiB
Go
/*
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Copyright 2018 The Rook Authors. All rights reserved.
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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 spec provides Kubernetes controller/pod/container spec items used for many Ceph daemons
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package spec
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import (
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"github.com/coreos/pkg/capnslog"
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cephconfig "github.com/rook/rook/pkg/daemon/ceph/config"
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"github.com/rook/rook/pkg/operator/k8sutil"
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"k8s.io/api/core/v1"
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)
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const (
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// ConfigInitContainerName is the name which is given to the config initialization container
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// in all Ceph pods.
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ConfigInitContainerName = "config-init"
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)
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var logger = capnslog.NewPackageLogger("github.com/rook/rook", "ceph-spec")
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// PodVolumes fills in the volumes parameter with the common list of Kubernetes volumes for use in Ceph pods.
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func PodVolumes(dataDirHostPath string) []v1.Volume {
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dataDirSource := v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}
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if dataDirHostPath != "" {
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dataDirSource = v1.VolumeSource{HostPath: &v1.HostPathVolumeSource{Path: dataDirHostPath}}
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}
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return []v1.Volume{
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{Name: k8sutil.DataDirVolume, VolumeSource: dataDirSource},
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cephconfig.DefaultConfigVolume(),
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k8sutil.ConfigOverrideVolume(),
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}
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}
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// CephVolumeMounts returns the common list of Kubernetes volume mounts for Ceph containers.
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func CephVolumeMounts() []v1.VolumeMount {
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return []v1.VolumeMount{
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{Name: k8sutil.DataDirVolume, MountPath: k8sutil.DataDir},
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cephconfig.DefaultConfigMount(),
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// Rook doesn't run in ceph containers, so it doesn't need the config override mounted
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}
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}
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// RookVolumeMounts returns the common list of Kubernetes volume mounts for Rook containers.
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func RookVolumeMounts() []v1.VolumeMount {
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return append(
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CephVolumeMounts(),
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k8sutil.ConfigOverrideMount(),
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)
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}
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// AppLabels returns labels common for all Rook-Ceph applications which may be useful for admins.
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// App name is the name of the application: e.g., 'rook-ceph-mon', 'rook-ceph-mgr', etc.
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func AppLabels(appName, namespace string) map[string]string {
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return map[string]string{
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k8sutil.AppAttr: appName,
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k8sutil.ClusterAttr: namespace,
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}
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}
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// PodLabels returns pod labels common to all Rook-Ceph pods which may be useful for admins.
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// App name is the name of the application: e.g., 'rook-ceph-mon', 'rook-ceph-mgr', etc.
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// Daemon type is the Ceph daemon type: "mon", "mgr", "osd", "mds", "rgw"
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// Daemon ID is the ID portion of the Ceph daemon name: "a" for "mon.a"; "c" for "mds.c"
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func PodLabels(appName, namespace, daemonType, daemonID string) map[string]string {
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labels := AppLabels(appName, namespace)
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labels["ceph_daemon_id"] = daemonID
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// Also report the daemon id keyed by its daemon type: "mon: a", "mds: c", etc.
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labels[daemonType] = daemonID
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return labels
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}
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