|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "encoding/json" |
| 6 | + "fmt" |
| 7 | + "strings" |
| 8 | + "time" |
| 9 | + |
| 10 | + qacct "github.com/hpc-gridware/go-clusterscheduler/pkg/qacct/v9.0" |
| 11 | + qstat "github.com/hpc-gridware/go-clusterscheduler/pkg/qstat/v9.0" |
| 12 | + "google.golang.org/protobuf/types/known/timestamppb" |
| 13 | + |
| 14 | + "go.uber.org/zap" |
| 15 | +) |
| 16 | + |
| 17 | +var qacctClient qacct.QAcct |
| 18 | +var qstatClient qstat.QStat |
| 19 | + |
| 20 | +var log *zap.Logger |
| 21 | + |
| 22 | +func init() { |
| 23 | + var err error |
| 24 | + log, _ = zap.NewProduction() |
| 25 | + qacctClient, err = qacct.NewCommandLineQAcct(qacct.CommandLineQAcctConfig{}) |
| 26 | + if err != nil { |
| 27 | + log.Fatal("Failed to initialize qacct client", zap.String("error", |
| 28 | + err.Error())) |
| 29 | + } |
| 30 | + qstatClient, err = qstat.NewCommandLineQstat(qstat.CommandLineQStatConfig{}) |
| 31 | + if err != nil { |
| 32 | + log.Fatal("Failed to initialize qstat client", zap.String("error", |
| 33 | + err.Error())) |
| 34 | + } |
| 35 | +} |
| 36 | + |
| 37 | +func main() { |
| 38 | + run(context.Background()) |
| 39 | +} |
| 40 | + |
| 41 | +func run(ctx context.Context) { |
| 42 | + defer log.Sync() |
| 43 | + alreadySent := map[string]struct{}{} |
| 44 | + |
| 45 | + for { |
| 46 | + select { |
| 47 | + case <-ctx.Done(): |
| 48 | + log.Info("Context cancelled, stopping ClusterScheduler") |
| 49 | + return |
| 50 | + default: |
| 51 | + finishedJobs, err := GetFinishedJobs() |
| 52 | + if err != nil { |
| 53 | + log.Error("Error getting finished jobs", zap.String("error", |
| 54 | + err.Error())) |
| 55 | + } |
| 56 | + |
| 57 | + runningJobs, err := GetRunningJobs() |
| 58 | + if err != nil { |
| 59 | + log.Error("Error getting running jobs", zap.String("error", |
| 60 | + err.Error())) |
| 61 | + } |
| 62 | + |
| 63 | + allJobs := append(finishedJobs, runningJobs...) |
| 64 | + |
| 65 | + var protoJobs []*SimpleJob |
| 66 | + for _, job := range allJobs { |
| 67 | + if _, ok := alreadySent[job.JobId]; ok { |
| 68 | + continue |
| 69 | + } |
| 70 | + protoJobs = append(protoJobs, job) |
| 71 | + } |
| 72 | + |
| 73 | + _, err = SendJobs(ctx, protoJobs) |
| 74 | + if err != nil { |
| 75 | + log.Warn("Error ingesting jobs", zap.String("error", |
| 76 | + err.Error())) |
| 77 | + } |
| 78 | + |
| 79 | + for _, job := range finishedJobs { |
| 80 | + alreadySent[job.JobId] = struct{}{} |
| 81 | + } |
| 82 | + |
| 83 | + select { |
| 84 | + case <-ctx.Done(): |
| 85 | + log.Info("Context cancelled, stopping") |
| 86 | + return |
| 87 | + case <-time.After(10 * time.Second): |
| 88 | + } |
| 89 | + } |
| 90 | + } |
| 91 | +} |
| 92 | + |
| 93 | +type SimpleJob struct { |
| 94 | + JobId string `json:"job_id"` |
| 95 | + // Cluster represents the queue name |
| 96 | + Cluster string `json:"cluster"` |
| 97 | + JobName string `json:"job_name"` |
| 98 | + // Partition represents the parallel environment |
| 99 | + Partition string `json:"partition"` |
| 100 | + Account string `json:"account"` |
| 101 | + User string `json:"user"` |
| 102 | + State string `json:"state"` |
| 103 | + ExitCode string `json:"exit_code"` |
| 104 | + Submit *timestamppb.Timestamp `json:"submit"` |
| 105 | + Start *timestamppb.Timestamp `json:"start"` |
| 106 | + End *timestamppb.Timestamp `json:"end"` |
| 107 | + MasterNode string `json:"master_node"` |
| 108 | +} |
| 109 | + |
| 110 | +func GetFinishedJobs() ([]*SimpleJob, error) { |
| 111 | + // Use qacct NativeSpecification to get finished jobs |
| 112 | + qacctOutput, err := qacctClient.NativeSpecification([]string{"-j", "*"}) |
| 113 | + if err != nil { |
| 114 | + return nil, fmt.Errorf("error running qacct command: %v", err) |
| 115 | + } |
| 116 | + |
| 117 | + jobs, err := qacct.ParseQAcctJobOutput(qacctOutput) |
| 118 | + if err != nil { |
| 119 | + return nil, fmt.Errorf("error parsing qacct output: %v", err) |
| 120 | + } |
| 121 | + // convert to SimpleJob format |
| 122 | + simpleJobs := make([]*SimpleJob, len(jobs)) |
| 123 | + for i, job := range jobs { |
| 124 | + state := fmt.Sprintf("%d", job.ExitStatus) |
| 125 | + if state == "0" { |
| 126 | + state = "done" |
| 127 | + } else { |
| 128 | + state = "failed" |
| 129 | + } |
| 130 | + simpleJobs[i] = &SimpleJob{ |
| 131 | + // ignore job arrays for now |
| 132 | + JobId: fmt.Sprintf("%d", job.JobNumber), |
| 133 | + Cluster: job.QName, |
| 134 | + JobName: job.JobName, |
| 135 | + Partition: job.GrantedPE, |
| 136 | + Account: job.Account, |
| 137 | + User: job.Owner, |
| 138 | + State: state, |
| 139 | + ExitCode: fmt.Sprintf("%d", job.ExitStatus), |
| 140 | + Submit: parseTimestamp(job.QSubTime), |
| 141 | + Start: parseTimestamp(job.StartTime), |
| 142 | + End: parseTimestamp(job.EndTime), |
| 143 | + MasterNode: job.HostName, |
| 144 | + } |
| 145 | + } |
| 146 | + return simpleJobs, nil |
| 147 | +} |
| 148 | + |
| 149 | +func GetRunningJobs() ([]*SimpleJob, error) { |
| 150 | + |
| 151 | + qstatOverview, err := qstatClient.NativeSpecification([]string{"-g", "t"}) |
| 152 | + if err != nil { |
| 153 | + return nil, fmt.Errorf("error running qstat command: %v", err) |
| 154 | + } |
| 155 | + jobsByTask, err := qstat.ParseGroupByTask(qstatOverview) |
| 156 | + if err != nil { |
| 157 | + return nil, fmt.Errorf("error parsing qstat output: %v", err) |
| 158 | + } |
| 159 | + |
| 160 | + type State struct { |
| 161 | + QueueName string |
| 162 | + State string |
| 163 | + MasterNode string |
| 164 | + } |
| 165 | + |
| 166 | + stateMap := map[int]State{} |
| 167 | + |
| 168 | + for _, job := range jobsByTask { |
| 169 | + // we are only interested in serial and parallel jobs (no arrays) |
| 170 | + jq := strings.Split(job.Queue, "@") |
| 171 | + if len(jq) == 2 { |
| 172 | + js, exists := stateMap[job.JobID] |
| 173 | + if !exists { |
| 174 | + js = State{ |
| 175 | + QueueName: jq[0], |
| 176 | + State: job.State, |
| 177 | + MasterNode: jq[1], |
| 178 | + } |
| 179 | + } |
| 180 | + if job.Master == "MASTER" { |
| 181 | + // this is the master task of a parallel job |
| 182 | + js.MasterNode = jq[1] |
| 183 | + stateMap[job.JobID] = js |
| 184 | + } |
| 185 | + continue |
| 186 | + } |
| 187 | + stateMap[job.JobID] = State{ |
| 188 | + QueueName: job.Queue, |
| 189 | + State: job.State, |
| 190 | + } |
| 191 | + } |
| 192 | + |
| 193 | + // get running jobs |
| 194 | + qstatOutput, err := qstatClient.NativeSpecification([]string{"-j", "*"}) |
| 195 | + if err != nil { |
| 196 | + return nil, fmt.Errorf("error running qstat command: %v", err) |
| 197 | + } |
| 198 | + |
| 199 | + jobs, err := qstat.ParseSchedulerJobInfo(qstatOutput) |
| 200 | + if err != nil { |
| 201 | + return nil, fmt.Errorf("error parsing qstat output: %v", err) |
| 202 | + } |
| 203 | + |
| 204 | + // convert to SimpleJob format |
| 205 | + simpleJobs := make([]*SimpleJob, len(jobs)) |
| 206 | + for i, job := range jobs { |
| 207 | + state := stateMap[job.JobNumber].State |
| 208 | + if state == "" { |
| 209 | + state = "running" |
| 210 | + } |
| 211 | + simpleJobs[i] = &SimpleJob{ |
| 212 | + JobId: fmt.Sprintf("%d", job.JobNumber), |
| 213 | + Cluster: stateMap[job.JobNumber].QueueName, |
| 214 | + JobName: job.JobName, |
| 215 | + Partition: strings.Split(job.ParallelEnvironment, " ")[0], // PE |
| 216 | + Account: job.Account, |
| 217 | + User: job.Owner, |
| 218 | + State: state, |
| 219 | + ExitCode: "", |
| 220 | + MasterNode: stateMap[job.JobNumber].MasterNode, |
| 221 | + } |
| 222 | + if strings.Contains(stateMap[job.JobNumber].State, "q") { |
| 223 | + simpleJobs[i].Submit = parseTimestamp(job.SubmissionTime) |
| 224 | + } else { |
| 225 | + simpleJobs[i].Start = parseTimestamp(job.SubmissionTime) |
| 226 | + } |
| 227 | + } |
| 228 | + return simpleJobs, nil |
| 229 | +} |
| 230 | + |
| 231 | +func SendJobs(ctx context.Context, jobs []*SimpleJob) (int, error) { |
| 232 | + log.Info("Sending jobs", zap.Int("jobs", len(jobs))) |
| 233 | + // Print the jobs |
| 234 | + for _, job := range jobs { |
| 235 | + // pretty print JSON |
| 236 | + json, err := json.MarshalIndent(job, "", " ") |
| 237 | + if err != nil { |
| 238 | + return 0, fmt.Errorf("error marshalling job: %v", err) |
| 239 | + } |
| 240 | + fmt.Println(string(json)) |
| 241 | + } |
| 242 | + return len(jobs), nil |
| 243 | +} |
| 244 | + |
| 245 | +// 2024-10-24 09:49:59.911136 |
| 246 | +func parseTimestamp(s string) *timestamppb.Timestamp { |
| 247 | + loc, err := time.LoadLocation("Local") |
| 248 | + if err != nil { |
| 249 | + return nil |
| 250 | + } |
| 251 | + t, err := time.ParseInLocation("2006-01-02 15:04:05.999999", s, loc) |
| 252 | + if err != nil { |
| 253 | + return nil |
| 254 | + } |
| 255 | + return timestamppb.New(t) |
| 256 | +} |
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