forked from rook/rook
128 lines
3.8 KiB
Go
128 lines
3.8 KiB
Go
/*
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Copyright 2016 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 file
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import (
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"strconv"
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mdsdaemon "github.com/rook/rook/pkg/daemon/ceph/mds"
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opmon "github.com/rook/rook/pkg/operator/ceph/cluster/mon"
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opspec "github.com/rook/rook/pkg/operator/ceph/spec"
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"github.com/rook/rook/pkg/operator/k8sutil"
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"k8s.io/api/core/v1"
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extensions "k8s.io/api/extensions/v1beta1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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const (
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mdsDaemonCommand = "ceph-mds"
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)
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func (c *cluster) makeDeployment(mdsConfig *mdsConfig) *extensions.Deployment {
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podSpec := v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Name: mdsConfig.ResourceName,
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Labels: c.podLabels(mdsConfig),
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Annotations: map[string]string{},
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},
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Spec: v1.PodSpec{
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InitContainers: []v1.Container{
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c.makeConfigInitContainer(mdsConfig),
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},
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Containers: []v1.Container{
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c.makeMdsDaemonContainer(mdsConfig),
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},
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RestartPolicy: v1.RestartPolicyAlways,
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Volumes: opspec.PodVolumes(""),
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HostNetwork: c.HostNetwork,
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},
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}
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if c.HostNetwork {
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podSpec.Spec.DNSPolicy = v1.DNSClusterFirstWithHostNet
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}
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c.fs.Spec.MetadataServer.Placement.ApplyToPodSpec(&podSpec.Spec)
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replicas := int32(1)
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d := &extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: mdsConfig.ResourceName,
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Namespace: c.fs.Namespace,
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},
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Spec: extensions.DeploymentSpec{Template: podSpec, Replicas: &replicas},
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}
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k8sutil.SetOwnerRefs(c.context.Clientset, c.fs.Namespace, &d.ObjectMeta, c.ownerRefs)
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return d
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}
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func (c *cluster) makeConfigInitContainer(mdsConfig *mdsConfig) v1.Container {
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return v1.Container{
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Name: opspec.ConfigInitContainerName,
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Args: []string{
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"ceph",
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mdsdaemon.InitCommand,
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"--config-dir", k8sutil.DataDir,
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"--mds-name", mdsConfig.DaemonName,
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"--filesystem-id", c.fsID,
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"--active-standby", strconv.FormatBool(c.fs.Spec.MetadataServer.ActiveStandby),
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},
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Image: k8sutil.MakeRookImage(c.rookVersion),
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Env: []v1.EnvVar{
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// Set '--mds-keyring' flag with an env var sourced from the secret
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{Name: "ROOK_MDS_KEYRING",
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ValueFrom: &v1.EnvVarSource{
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SecretKeyRef: &v1.SecretKeySelector{
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LocalObjectReference: v1.LocalObjectReference{Name: mdsConfig.ResourceName},
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Key: keyringSecretKeyName,
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}}},
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k8sutil.PodIPEnvVar(k8sutil.PrivateIPEnvVar),
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k8sutil.PodIPEnvVar(k8sutil.PublicIPEnvVar),
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opmon.ClusterNameEnvVar(c.fs.Namespace),
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opmon.EndpointEnvVar(),
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opmon.SecretEnvVar(),
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opmon.AdminSecretEnvVar(),
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k8sutil.ConfigOverrideEnvVar(),
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},
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VolumeMounts: opspec.RookVolumeMounts(),
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Resources: c.fs.Spec.MetadataServer.Resources,
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}
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}
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func (c *cluster) makeMdsDaemonContainer(mdsConfig *mdsConfig) v1.Container {
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return v1.Container{
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Name: "mgr",
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Command: []string{
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mdsDaemonCommand,
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},
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Args: []string{
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"--foreground",
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"--id", mdsConfig.DaemonName,
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// do not add the '--cluster/--conf/--keyring' flags; rook wants their default values
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},
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Image: c.cephVersion.Image,
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Env: k8sutil.ClusterDaemonEnvVars(),
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VolumeMounts: opspec.CephVolumeMounts(),
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// TODO: mds doesn't need ports?
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Resources: c.fs.Spec.MetadataServer.Resources,
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}
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}
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func (c *cluster) podLabels(mdsConfig *mdsConfig) map[string]string {
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labels := opspec.PodLabels(AppName, c.fs.Namespace, "mds", mdsConfig.DaemonName)
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labels["rook_file_system"] = c.fs.Name
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return labels
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}
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