Travis Nielsen
c122562a7d
Remove all cgo from the code base, and start the transformation to calling external ceph tools to generate config and start daemons.
128 lines
4.0 KiB
Go
128 lines
4.0 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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"strconv"
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"github.com/rook/rook/pkg/clusterd"
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)
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type CephFilesystem struct {
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Name string `json:"name"`
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MetadataPool string `json:"metadata_pool"`
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MetadataPoolID int `json:"metadata_pool_id"`
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DataPools []string `json:"data_pools"`
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DataPoolIDs []int `json:"data_pool_ids"`
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}
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type CephFilesystemDetails struct {
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ID int `json:"id"`
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MDSMap MDSMap `json:"mdsmap"`
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}
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type MDSMap struct {
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FilesystemName string `json:"fs_name"`
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Enabled bool `json:"enabled"`
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Root int `json:"root"`
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TableServer int `json:"tableserver"`
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MaxMDS int `json:"max_mds"`
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In []int `json:"in"`
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Up map[string]int `json:"up"`
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Failed []int `json:"failed"`
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Damaged []int `json:"damaged"`
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Stopped []int `json:"stopped"`
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Info map[string]MDSInfo `json:"info"`
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}
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type MDSInfo struct {
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GID int `json:"gid"`
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Name string `json:"name"`
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Rank int `json:"rank"`
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State string `json:"state"`
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Address string `json:"addr"`
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}
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func ListFilesystems(context *clusterd.Context, clusterName string) ([]CephFilesystem, error) {
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args := []string{"fs", "ls"}
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buf, err := ExecuteCephCommand(context, clusterName, args)
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if err != nil {
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return nil, fmt.Errorf("failed to list filesystems: %+v", err)
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}
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var filesystems []CephFilesystem
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err = json.Unmarshal(buf, &filesystems)
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if err != nil {
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return nil, fmt.Errorf("unmarshal failed: %+v. raw buffer response: %s", err, string(buf))
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}
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return filesystems, nil
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}
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func GetFilesystem(context *clusterd.Context, clusterName string, fsName string) (*CephFilesystemDetails, error) {
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args := []string{"fs", "get", fsName}
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buf, err := ExecuteCephCommand(context, clusterName, args)
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if err != nil {
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return nil, fmt.Errorf("failed to get file system %s: %+v", fsName, err)
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}
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var fs CephFilesystemDetails
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err = json.Unmarshal(buf, &fs)
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if err != nil {
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return nil, fmt.Errorf("unmarshal failed: %+v. raw buffer response: %s", err, string(buf))
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}
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return &fs, nil
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}
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func CreateFilesystem(context *clusterd.Context, clusterName string, fsName, metadataPool, dataPool string) error {
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args := []string{"fs", "new", fsName, metadataPool, dataPool}
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_, err := ExecuteCephCommand(context, clusterName, args)
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if err != nil {
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return fmt.Errorf("failed enabling ceph fs %s: %+v", fsName, err)
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}
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return nil
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}
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func MarkFilesystemAsDown(context *clusterd.Context, clusterName string, fsName string) error {
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args := []string{"fs", "set", fsName, "cluster_down", "true"}
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_, err := ExecuteCephCommand(context, clusterName, args)
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if err != nil {
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return fmt.Errorf("failed to set file system %s to cluster_down: %+v", fsName, err)
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}
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return nil
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}
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func FailMDS(context *clusterd.Context, clusterName string, gid int) error {
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args := []string{"mds", "fail", strconv.Itoa(gid)}
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_, err := ExecuteCephCommand(context, clusterName, args)
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if err != nil {
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return fmt.Errorf("failed to fail mds %d: %+v", gid, err)
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}
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return nil
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}
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func RemoveFilesystem(context *clusterd.Context, clusterName string, fsName string) error {
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args := []string{"fs", "rm", fsName, "--yes-i-really-mean-it"}
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_, err := ExecuteCephCommand(context, clusterName, args)
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if err != nil {
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return fmt.Errorf("Failed to delete ceph fs %s. err=%+v", fsName, err)
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}
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return nil
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}
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