console/plugin/task_manager/comparison_api.go

401 lines
12 KiB
Go

package task_manager
import (
"fmt"
"net/http"
"time"
log "github.com/cihub/seelog"
"infini.sh/console/plugin/task_manager/cluster_comparison"
migration_model "infini.sh/console/plugin/task_manager/model"
migration_util "infini.sh/console/plugin/task_manager/util"
"infini.sh/framework/core/api/rbac"
httprouter "infini.sh/framework/core/api/router"
"infini.sh/framework/core/global"
"infini.sh/framework/core/orm"
"infini.sh/framework/core/task"
"infini.sh/framework/core/util"
)
func (h *APIHandler) createDataComparisonTask(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
clusterTaskConfig := &migration_model.ClusterComparisonTaskConfig{}
err := h.DecodeJSON(req, clusterTaskConfig)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
user, err := rbac.FromUserContext(req.Context())
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
t, err := cluster_comparison.CreateTask(clusterTaskConfig, user)
if err != nil {
h.WriteError(w, err.Error(), http.StatusInternalServerError)
log.Error(err)
return
}
h.WriteCreatedOKJSON(w, t.ID)
}
func (h *APIHandler) getDataComparisonTaskInfo(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
id := ps.MustGetParameter("task_id")
obj := task.Task{}
obj.ID = id
exists, err := orm.Get(&obj)
if !exists || err != nil {
h.WriteJSON(w, util.MapStr{
"_id": id,
"found": false,
}, http.StatusNotFound)
return
}
taskConfig := &migration_model.ClusterComparisonTaskConfig{}
err = migration_util.GetTaskConfig(&obj, taskConfig)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
_, indexState, err := h.getComparisonMajorTaskInfo(id)
if err != nil {
log.Errorf("failed to get major task info, err: %v", err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
var completedIndices int
for i, index := range taskConfig.Indices {
indexName := index.Source.GetUniqueIndexName()
count := indexState[indexName].TotalScrollDocs
percent := float64(count) / float64(index.Source.Docs+index.Target.Docs) * 100
if percent > 100 {
percent = 100
}
taskConfig.Indices[i].Source.Docs = indexState[indexName].SourceTotalDocs
taskConfig.Indices[i].Target.Docs = indexState[indexName].TargetTotalDocs
taskConfig.Indices[i].ScrollPercent = util.ToFixed(percent, 2)
taskConfig.Indices[i].TotalScrollDocs = count
taskConfig.Indices[i].ErrorPartitions = indexState[indexName].ErrorPartitions
taskConfig.Indices[i].RunningChildren = indexState[indexName].RunningChildren
if count == index.Source.Docs+index.Target.Docs {
completedIndices++
}
}
cfg := global.MustLookup("cluster_migration_config")
if migrationConfig, ok := cfg.(*DispatcherConfig); ok {
if obj.Metadata.Labels == nil {
obj.Metadata.Labels = util.MapStr{}
}
obj.Metadata.Labels["log_info"] = util.MapStr{
"cluster_id": migrationConfig.Elasticsearch,
"index_name": migrationConfig.LogIndexName,
}
}
_, repeatStatus, err := h.calcRepeatingStatus(&obj)
if err != nil {
log.Warnf("failed to calc repeat info, err: %v", err)
}
obj.Metadata.Labels["repeat"] = repeatStatus
obj.ConfigString = util.MustToJSON(taskConfig)
obj.Metadata.Labels["completed_indices"] = completedIndices
h.WriteJSON(w, obj, http.StatusOK)
}
type ClusterComparisonTaskState struct {
SourceTotalDocs int64
SourceScrollDocs int64
TargetTotalDocs int64
TargetScrollDocs int64
TotalDiffDocs int64
RunningChildren int
}
type ComparisonIndexStateInfo struct {
ErrorPartitions int
SourceTotalDocs int64
SourceScrollDocs int64
TargetTotalDocs int64
TargetScrollDocs int64
TotalDiffDocs int64
RunningChildren int
TotalScrollDocs int64
}
func (h *APIHandler) getComparisonMajorTaskInfo(taskID string) (taskStats ClusterComparisonTaskState, indexState map[string]ComparisonIndexStateInfo, err error) {
var pipelineTaskIDs = map[string][]string{}
var pipelineIndexNames = map[string]string{}
indexState = map[string]ComparisonIndexStateInfo{}
const size = 500
var (
from = -size
hasMore = true
)
for hasMore {
from += size
taskQuery := util.MapStr{
"size": 500,
"query": util.MapStr{
"bool": util.MapStr{
"must": []util.MapStr{
{
"term": util.MapStr{
"parent_id": util.MapStr{
"value": taskID,
},
},
},
{
"term": util.MapStr{
"metadata.type": util.MapStr{
"value": "index_comparison",
},
},
},
},
},
},
}
subTasks, err := migration_util.GetTasks(taskQuery)
if err != nil {
return taskStats, indexState, err
}
if len(subTasks) < size {
hasMore = false
}
var indexMigrationTaskIDs []string
for _, subTask := range subTasks {
taskLabels := util.MapStr(subTask.Metadata.Labels)
indexName := migration_util.GetMapStringValue(taskLabels, "unique_index_name")
if indexName == "" {
continue
}
cfg := migration_model.IndexComparisonTaskConfig{}
err = migration_util.GetTaskConfig(&subTask, &cfg)
if err != nil {
log.Errorf("failed to get task config, err: %v", err)
continue
}
totalDiffDocs := migration_util.GetMapIntValue(taskLabels, "total_diff_docs")
taskStats.SourceTotalDocs += cfg.Source.DocCount
taskStats.TargetTotalDocs += cfg.Target.DocCount
taskStats.TotalDiffDocs += totalDiffDocs
st := indexState[indexName]
st.SourceTotalDocs += cfg.Source.DocCount
st.TargetTotalDocs += cfg.Target.DocCount
st.TotalDiffDocs += totalDiffDocs
if subTask.Status == task.StatusError {
st.ErrorPartitions += 1
}
if subTask.Status == task.StatusRunning {
st.RunningChildren++
indexState[indexName] = st
indexMigrationTaskIDs = append(indexMigrationTaskIDs, subTask.ID)
continue
}
sourceDocs := migration_util.GetMapIntValue(taskLabels, "source_scrolled")
targetDocs := migration_util.GetMapIntValue(taskLabels, "target_scrolled")
st.SourceScrollDocs += sourceDocs
st.TargetScrollDocs += targetDocs
st.TotalScrollDocs += sourceDocs + targetDocs
taskStats.TargetScrollDocs += targetDocs
taskStats.SourceScrollDocs += sourceDocs
indexState[indexName] = st
}
if len(indexMigrationTaskIDs) == 0 {
continue
}
taskQuery = util.MapStr{
"size": len(indexMigrationTaskIDs) * 2,
"query": util.MapStr{
"bool": util.MapStr{
"must": []util.MapStr{
{
"terms": util.MapStr{
"parent_id": indexMigrationTaskIDs,
},
},
},
},
},
}
subTasks, err = migration_util.GetTasks(taskQuery)
if err != nil {
return taskStats, indexState, err
}
for _, subTask := range subTasks {
taskLabels := util.MapStr(subTask.Metadata.Labels)
indexName := migration_util.GetMapStringValue(taskLabels, "unique_index_name")
if indexName == "" {
continue
}
pipelineIndexNames[subTask.ID] = indexName
if instID := migration_util.GetMapStringValue(taskLabels, "execution_instance_id"); instID != "" {
pipelineTaskIDs[instID] = append(pipelineTaskIDs[instID], subTask.ID)
}
}
}
pipelineContexts := h.getChildPipelineInfosFromGateway(pipelineTaskIDs)
for pipelineID, pipelineContext := range pipelineContexts {
// add scrolledDocs of running tasks
scrollDocs := migration_util.GetMapIntValue(pipelineContext, "dump_hash.scrolled_docs")
indexName := pipelineIndexNames[pipelineID]
st := indexState[indexName]
st.TotalScrollDocs += scrollDocs
indexState[indexName] = st
}
return taskStats, indexState, nil
}
func (h *APIHandler) getDataComparisonTaskOfIndex(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
id := ps.MustGetParameter("task_id")
uniqueIndexName := ps.MustGetParameter("index")
majorTask := task.Task{}
majorTask.ID = id
exists, err := orm.Get(&majorTask)
if !exists || err != nil {
h.WriteError(w, fmt.Sprintf("task [%s] not found", id), http.StatusInternalServerError)
return
}
taskConfig := &migration_model.ClusterComparisonTaskConfig{}
err = migration_util.GetTaskConfig(&majorTask, taskConfig)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
taskInfo := &TaskInfoResponse{
TaskID: id,
StartTime: majorTask.StartTimeInMillis,
Repeating: migration_util.IsRepeating(taskConfig.Settings.Execution.Repeat, majorTask.Metadata.Labels),
}
subTasks, pipelineTaskIDs, _, parentIDPipelineTasks, err := h.getChildTaskInfosByIndex(id, uniqueIndexName)
taskInfo.DataPartition = len(subTasks)
if len(subTasks) == 0 {
h.WriteJSON(w, taskInfo, http.StatusOK)
return
}
pipelineContexts := h.getChildPipelineInfosFromGateway(pipelineTaskIDs)
startTime, completedTime, duration, completedPartitions := h.calcMajorTaskInfo(subTasks, taskInfo.Repeating)
var partitionTaskInfos []util.MapStr
var workers = map[string]struct{}{}
for i, subTask := range subTasks {
cfg := migration_model.IndexComparisonTaskConfig{}
err := migration_util.GetTaskConfig(&subTask, &cfg)
if err != nil {
log.Errorf("failed to get task config, err: %v", err)
continue
}
if i == 0 {
taskInfo.Step = cfg.Source.Step
}
instID := migration_util.GetMapStringValue(subTask.Metadata.Labels, "execution_instance_id")
if instID != "" {
workers[instID] = struct{}{}
}
var durationInMS int64
var subCompletedTime int64
if subTask.StartTimeInMillis > 0 {
if migration_util.IsPendingState(subTask.Status) {
durationInMS = time.Now().UnixMilli() - subTask.StartTimeInMillis
} else if subTask.CompletedTime != nil {
subCompletedTime = subTask.CompletedTime.UnixMilli()
durationInMS = subCompletedTime - subTask.StartTimeInMillis
}
}
subTaskLabels := util.MapStr(subTask.Metadata.Labels)
sourceScrollDocs := migration_util.GetMapIntValue(subTaskLabels, "source_scrolled")
targetScrollDocs := migration_util.GetMapIntValue(subTaskLabels, "target_scrolled")
onlyInSource := migration_util.GetMapIntValue(subTaskLabels, "only_in_source")
onlyInTarget := migration_util.GetMapIntValue(subTaskLabels, "only_in_target")
diffBoth := migration_util.GetMapIntValue(subTaskLabels, "diff_both")
partitionTaskInfo := util.MapStr{
"task_id": subTask.ID,
"status": subTask.Status,
"start_time": subTask.StartTimeInMillis,
"completed_time": subCompletedTime,
"start": cfg.Source.Start,
"end": cfg.Source.End,
"duration": durationInMS,
"source_total_docs": cfg.Source.DocCount,
"target_total_docs": cfg.Target.DocCount,
"only_in_source": onlyInSource,
"only_in_target": onlyInTarget,
"diff_both": diffBoth,
}
sourceDumpTask, targetDumpTask, _ := migration_util.SplitIndexComparisonTasks(parentIDPipelineTasks[subTask.ID], &cfg)
if sourceDumpTask != nil {
partitionTaskInfo["source_scroll_task"] = util.MapStr{
"id": sourceDumpTask.ID,
"status": sourceDumpTask.Status,
}
pipelineID := sourceDumpTask.ID
pipelineContext, ok := pipelineContexts[pipelineID]
if ok {
if vv := migration_util.GetMapIntValue(pipelineContext, "dump_hash.scrolled_docs"); vv > 0 {
sourceScrollDocs = vv
}
}
}
if targetDumpTask != nil {
partitionTaskInfo["target_scroll_task"] = util.MapStr{
"id": targetDumpTask.ID,
"status": targetDumpTask.Status,
}
pipelineID := targetDumpTask.ID
pipelineContext, ok := pipelineContexts[pipelineID]
if ok {
if vv := migration_util.GetMapIntValue(pipelineContext, "dump_hash.scrolled_docs"); vv > 0 {
targetScrollDocs = vv
}
}
}
partitionTaskInfo["source_scroll_docs"] = sourceScrollDocs
partitionTaskInfo["target_scroll_docs"] = targetScrollDocs
partitionTaskInfos = append(partitionTaskInfos, partitionTaskInfo)
}
taskInfo.CompletedTime = completedTime
taskInfo.Duration = duration
// NOTE: overwrite major task start time with the first started sub task
if taskInfo.StartTime == 0 {
taskInfo.StartTime = startTime
}
for _, node := range taskConfig.Settings.Execution.Nodes.Permit {
if _, ok := workers[node.ID]; ok {
taskInfo.Workers = append(taskInfo.Workers, util.MapStr{
"id": node.ID,
"name": node.Name,
})
}
}
taskInfo.Partitions = partitionTaskInfos
taskInfo.CompletedPartitions = completedPartitions
h.WriteJSON(w, taskInfo, http.StatusOK)
}