126 lines
3.7 KiB
Go
126 lines
3.7 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 client
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import (
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"encoding/json"
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"fmt"
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"github.com/rook/rook/pkg/clusterd"
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)
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// represents the response from a mon_status mon_command (subset of all available fields, only
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// marshal ones we care about)
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type MonStatusResponse struct {
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Quorum []int `json:"quorum"`
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MonMap struct {
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Mons []MonMapEntry `json:"mons"`
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} `json:"monmap"`
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}
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// request to simplify deserialization of a test request
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type MonStatusRequest struct {
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Prefix string `json:"prefix"`
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Format string `json:"format"`
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ID int `json:"id"`
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Weight float32 `json:"weight"`
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Pool string `json:"pool"`
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Var string `json:"var"`
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Args []string `json:"args"`
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}
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// represents an entry in the monitor map
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type MonMapEntry struct {
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Name string `json:"name"`
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Rank int `json:"rank"`
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Address string `json:"addr"`
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}
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// GetMonStatus calls mon_status mon_command
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func GetMonStatus(context *clusterd.Context, clusterName string, debug bool) (MonStatusResponse, error) {
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args := []string{"mon_status"}
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buf, err := executeCephCommandWithOutputFile(context, clusterName, debug, args)
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if err != nil {
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return MonStatusResponse{}, fmt.Errorf("mon status failed. %+v", err)
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}
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var resp MonStatusResponse
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err = json.Unmarshal(buf, &resp)
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if err != nil {
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return MonStatusResponse{}, fmt.Errorf("unmarshal failed: %+v. raw buffer response: %s", err, buf)
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}
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logger.Debugf("MON STATUS: %+v", resp)
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return resp, nil
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}
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// MonStats is a subset of fields on the response from the mon command "status". These fields
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// are focused on monitor stats.
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type MonStats struct {
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Health struct {
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Status string `json:"status"`
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Checks map[string]CheckMessage `json:"checks"`
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} `json:"health"`
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Quorum []int `json:"quorum"`
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}
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type MonTimeStatus struct {
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Skew map[string]MonTimeSkewStatus `json:"time_skew_status"`
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Checks struct {
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Epoch int `json:"epoch"`
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Round int `json:"round"`
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RoundStatus string `json:"round_status"`
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} `json:"timechecks"`
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}
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type MonTimeSkewStatus struct {
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Skew json.Number `json:"skew"`
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Latency json.Number `json:"latency"`
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Health string `json:"health"`
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}
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func GetMonStats(context *clusterd.Context, clusterName string) (*MonStats, error) {
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// note this is another call to the mon command "status", but we'll be marshalling it into
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// a type with a different subset of fields, scoped to monitor stats
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args := []string{"status"}
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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 status: %+v", err)
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}
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var monStats MonStats
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if err := json.Unmarshal(buf, &monStats); err != nil {
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return nil, fmt.Errorf("failed to unmarshal status response: %+v", err)
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}
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return &monStats, nil
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}
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func GetMonTimeStatus(context *clusterd.Context, clusterName string) (*MonTimeStatus, error) {
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args := []string{"time-sync-status"}
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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 time sync status: %+v", err)
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}
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var timeStatus MonTimeStatus
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if err := json.Unmarshal(buf, &timeStatus); err != nil {
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return nil, fmt.Errorf("failed to unmarshal time sync status response: %+v", err)
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}
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return &timeStatus, nil
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}
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