forked from rook/rook
Travis Nielsen
5254de1a8c
The pools had some legacy structs that translated between the ceph.v1 types used by the CRDs and the internal implementation of the pools. This simplifies the pool implementation by removing the intermediate model and leaving us only with the ceph v1 pool types and no unnecessary translation. Signed-off-by: Travis Nielsen <tnielsen@redhat.com>
114 lines
3.8 KiB
Go
114 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 client
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import (
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"encoding/json"
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"fmt"
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"github.com/pkg/errors"
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cephv1 "github.com/rook/rook/pkg/apis/ceph.rook.io/v1"
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"github.com/rook/rook/pkg/clusterd"
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)
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type CephErasureCodeProfile struct {
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DataChunkCount uint `json:"k,string"`
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CodingChunkCount uint `json:"m,string"`
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Plugin string `json:"plugin"`
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Technique string `json:"technique"`
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FailureDomain string `json:"crush-failure-domain"`
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CrushRoot string `json:"crush-root"`
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}
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func ListErasureCodeProfiles(context *clusterd.Context, namespace string) ([]string, error) {
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args := []string{"osd", "erasure-code-profile", "ls"}
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buf, err := NewCephCommand(context, namespace, args).Run()
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if err != nil {
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return nil, errors.Wrapf(err, "failed to list erasure-code-profiles")
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}
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var ecProfiles []string
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err = json.Unmarshal(buf, &ecProfiles)
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if err != nil {
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return nil, errors.Wrapf(err, "unmarshal failed raw buffer response %s", string(buf))
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}
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return ecProfiles, nil
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}
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func GetErasureCodeProfileDetails(context *clusterd.Context, namespace, name string) (CephErasureCodeProfile, error) {
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args := []string{"osd", "erasure-code-profile", "get", name}
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buf, err := NewCephCommand(context, namespace, args).Run()
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if err != nil {
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return CephErasureCodeProfile{}, errors.Wrapf(err, "failed to get erasure-code-profile for %q", name)
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}
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var ecProfileDetails CephErasureCodeProfile
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err = json.Unmarshal(buf, &ecProfileDetails)
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if err != nil {
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return CephErasureCodeProfile{}, errors.Wrapf(err, "unmarshal failed raw buffer response %s", string(buf))
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}
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return ecProfileDetails, nil
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}
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func CreateErasureCodeProfile(context *clusterd.Context, namespace, profileName string, pool cephv1.PoolSpec) error {
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// look up the default profile so we can use the default plugin/technique
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defaultProfile, err := GetErasureCodeProfileDetails(context, namespace, "default")
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if err != nil {
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return errors.Wrapf(err, "failed to look up default erasure code profile")
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}
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// define the profile with a set of key/value pairs
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profilePairs := []string{
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fmt.Sprintf("k=%d", pool.ErasureCoded.DataChunks),
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fmt.Sprintf("m=%d", pool.ErasureCoded.CodingChunks),
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fmt.Sprintf("plugin=%s", defaultProfile.Plugin),
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fmt.Sprintf("technique=%s", defaultProfile.Technique),
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}
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if pool.FailureDomain != "" {
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profilePairs = append(profilePairs, fmt.Sprintf("crush-failure-domain=%s", pool.FailureDomain))
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}
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if pool.CrushRoot != "" {
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profilePairs = append(profilePairs, fmt.Sprintf("crush-root=%s", pool.CrushRoot))
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}
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if pool.DeviceClass != "" {
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profilePairs = append(profilePairs, fmt.Sprintf("crush-device-class=%s", pool.DeviceClass))
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}
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args := []string{"osd", "erasure-code-profile", "set", profileName}
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args = append(args, profilePairs...)
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_, err = NewCephCommand(context, namespace, args).Run()
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if err != nil {
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return errors.Wrapf(err, "failed to set ec-profile")
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}
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return nil
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}
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func DeleteErasureCodeProfile(context *clusterd.Context, namespace, profileName string) error {
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args := []string{"osd", "erasure-code-profile", "rm", profileName}
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cmd := NewCephCommand(context, namespace, args)
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cmd.JsonOutput = false
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buf, err := cmd.Run()
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if err != nil {
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return errors.Wrapf(err, "failed to delete erasure-code-profile %q. output: %q.", profileName, string(buf))
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}
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return nil
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}
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