Travis Nielsen
0344074c82
Rook no longer relies on its own process management, now we can rely completely on Kubernetes to manage the pod lifecycle. The code to check for running processes and replacement them hasn't been used for a long while. Signed-off-by: Travis Nielsen <tnielsen@redhat.com>
131 lines
4.1 KiB
Go
131 lines
4.1 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 osd
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import (
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"encoding/json"
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"fmt"
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"github.com/google/uuid"
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"github.com/pkg/errors"
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"github.com/rook/rook/pkg/clusterd"
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"github.com/rook/rook/pkg/daemon/ceph/client"
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cephconfig "github.com/rook/rook/pkg/daemon/ceph/config"
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"github.com/rook/rook/pkg/operator/ceph/cluster/osd/config"
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"github.com/rook/rook/pkg/operator/k8sutil"
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)
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const (
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diskByPartUUID = "/dev/disk/by-partuuid"
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bootstrapOSDKeyringTemplate = `
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[client.bootstrap-osd]
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key = %s
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caps mon = "allow profile bootstrap-osd"
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`
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// ratio of disk space that will be used by bluestore on a dir. This is an upper bound and it
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// is not preallocated (it is thinly provisioned).
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bluestoreDirBlockSizeRatio = 1.0
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)
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type osdConfig struct {
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// the root for all local config (e.g., /var/lib/rook)
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configRoot string
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// the root directory for this OSD (e.g., /var/lib/rook/osd0)
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rootPath string
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id int
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uuid uuid.UUID
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dir bool
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storeConfig config.StoreConfig
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kv *k8sutil.ConfigMapKVStore
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storeName string
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}
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// Device is a device
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type Device struct {
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Name string `json:"name"`
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NodeID string `json:"nodeId"`
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Dir bool `json:"bool"`
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}
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// DesiredDevice keeps track of the desired settings for a device
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type DesiredDevice struct {
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Name string
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OSDsPerDevice int
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MetadataDevice string
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DatabaseSizeMB int
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DeviceClass string
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IsFilter bool
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IsDevicePathFilter bool
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}
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// DeviceOsdMapping represents the mapping of an OSD on disk
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type DeviceOsdMapping struct {
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Entries map[string]*DeviceOsdIDEntry // device name to OSD ID mapping entry
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}
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// DeviceOsdIDEntry represents the details of an OSD
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type DeviceOsdIDEntry struct {
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Data int // OSD ID that has data stored here
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Metadata []int // OSD IDs (multiple) that have metadata stored here
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Config DesiredDevice // Device specific config options
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PersistentDevicePaths []string
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}
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type devicePartInfo struct {
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// the path to the mount that needs to be unmounted after the configuration is completed
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pathToUnmount string
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// The UUID of the partition where the osd is found under /dev/disk/by-partuuid
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deviceUUID string
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}
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func (m *DeviceOsdMapping) String() string {
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b, _ := json.Marshal(m)
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return string(b)
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}
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func initializeOSD(config *osdConfig, context *clusterd.Context, cluster *cephconfig.ClusterInfo) error {
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// add auth privileges for the OSD, the bootstrap-osd privileges were very limited
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if err := addOSDAuth(context, cluster.Name, config.id, config.rootPath); err != nil {
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return err
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}
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return nil
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}
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// gets the current mon map for the cluster
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func getMonMap(context *clusterd.Context, clusterName string) ([]byte, error) {
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// TODO: "entity": "client.bootstrap-osd",
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args := []string{"mon", "getmap"}
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buf, err := client.NewCephCommand(context, clusterName, args).Run()
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get mon map")
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}
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return buf, nil
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}
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// add OSD auth privileges for the given OSD ID. the bootstrap-osd privileges are limited and a real OSD needs more.
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func addOSDAuth(context *clusterd.Context, clusterName string, osdID int, osdDataPath string) error {
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// get an existing auth or create a new auth for this OSD. After this command is run, the new or existing
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// keyring will be written to the keyring path specified.
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osdEntity := fmt.Sprintf("osd.%d", osdID)
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caps := []string{"osd", "allow *", "mon", "allow profile osd"}
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return client.AuthGetOrCreate(context, clusterName, osdEntity, getOSDKeyringPath(osdDataPath), caps)
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}
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