github.com/emate/nomad@v0.8.2-wo-binpacking/command/node_status.go (about) 1 package command 2 3 import ( 4 "fmt" 5 "math" 6 "sort" 7 "strings" 8 "time" 9 10 humanize "github.com/dustin/go-humanize" 11 "github.com/posener/complete" 12 13 "github.com/hashicorp/nomad/api" 14 "github.com/hashicorp/nomad/api/contexts" 15 "github.com/hashicorp/nomad/helper" 16 ) 17 18 const ( 19 // floatFormat is a format string for formatting floats. 20 floatFormat = "#,###.##" 21 22 // bytesPerMegabyte is the number of bytes per MB 23 bytesPerMegabyte = 1024 * 1024 24 ) 25 26 type NodeStatusCommand struct { 27 Meta 28 length int 29 short bool 30 verbose bool 31 list_allocs bool 32 self bool 33 stats bool 34 json bool 35 tmpl string 36 } 37 38 func (c *NodeStatusCommand) Help() string { 39 helpText := ` 40 Usage: nomad node status [options] <node> 41 42 Display status information about a given node. The list of nodes 43 returned includes only nodes which jobs may be scheduled to, and 44 includes status and other high-level information. 45 46 If a node ID is passed, information for that specific node will be displayed, 47 including resource usage statistics. If no node ID's are passed, then a 48 short-hand list of all nodes will be displayed. The -self flag is useful to 49 quickly access the status of the local node. 50 51 General Options: 52 53 ` + generalOptionsUsage() + ` 54 55 Node Status Options: 56 57 -self 58 Query the status of the local node. 59 60 -stats 61 Display detailed resource usage statistics. 62 63 -allocs 64 Display a count of running allocations for each node. 65 66 -short 67 Display short output. Used only when a single node is being 68 queried, and drops verbose output about node allocations. 69 70 -verbose 71 Display full information. 72 73 -json 74 Output the node in its JSON format. 75 76 -t 77 Format and display node using a Go template. 78 ` 79 return strings.TrimSpace(helpText) 80 } 81 82 func (c *NodeStatusCommand) Synopsis() string { 83 return "Display status information about nodes" 84 } 85 86 func (c *NodeStatusCommand) AutocompleteFlags() complete.Flags { 87 return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient), 88 complete.Flags{ 89 "-allocs": complete.PredictNothing, 90 "-json": complete.PredictNothing, 91 "-self": complete.PredictNothing, 92 "-short": complete.PredictNothing, 93 "-stats": complete.PredictNothing, 94 "-t": complete.PredictAnything, 95 "-verbose": complete.PredictNothing, 96 }) 97 } 98 99 func (c *NodeStatusCommand) AutocompleteArgs() complete.Predictor { 100 return complete.PredictFunc(func(a complete.Args) []string { 101 client, err := c.Meta.Client() 102 if err != nil { 103 return nil 104 } 105 106 resp, _, err := client.Search().PrefixSearch(a.Last, contexts.Nodes, nil) 107 if err != nil { 108 return []string{} 109 } 110 return resp.Matches[contexts.Nodes] 111 }) 112 } 113 114 func (c *NodeStatusCommand) Name() string { return "node-status" } 115 116 func (c *NodeStatusCommand) Run(args []string) int { 117 118 flags := c.Meta.FlagSet(c.Name(), FlagSetClient) 119 flags.Usage = func() { c.Ui.Output(c.Help()) } 120 flags.BoolVar(&c.short, "short", false, "") 121 flags.BoolVar(&c.verbose, "verbose", false, "") 122 flags.BoolVar(&c.list_allocs, "allocs", false, "") 123 flags.BoolVar(&c.self, "self", false, "") 124 flags.BoolVar(&c.stats, "stats", false, "") 125 flags.BoolVar(&c.json, "json", false, "") 126 flags.StringVar(&c.tmpl, "t", "", "") 127 128 if err := flags.Parse(args); err != nil { 129 return 1 130 } 131 132 // Check that we got either a single node or none 133 args = flags.Args() 134 if len(args) > 1 { 135 c.Ui.Error("This command takes either one or no arguments") 136 c.Ui.Error(commandErrorText(c)) 137 return 1 138 } 139 140 // Truncate the id unless full length is requested 141 c.length = shortId 142 if c.verbose { 143 c.length = fullId 144 } 145 146 // Get the HTTP client 147 client, err := c.Meta.Client() 148 if err != nil { 149 c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err)) 150 return 1 151 } 152 153 // Use list mode if no node name was provided 154 if len(args) == 0 && !c.self { 155 156 // Query the node info 157 nodes, _, err := client.Nodes().List(nil) 158 if err != nil { 159 c.Ui.Error(fmt.Sprintf("Error querying node status: %s", err)) 160 return 1 161 } 162 163 // If output format is specified, format and output the node data list 164 if c.json || len(c.tmpl) > 0 { 165 out, err := Format(c.json, c.tmpl, nodes) 166 if err != nil { 167 c.Ui.Error(err.Error()) 168 return 1 169 } 170 171 c.Ui.Output(out) 172 return 0 173 } 174 175 // Return nothing if no nodes found 176 if len(nodes) == 0 { 177 return 0 178 } 179 180 // Format the nodes list 181 out := make([]string, len(nodes)+1) 182 183 out[0] = "ID|DC|Name|Class|" 184 185 if c.verbose { 186 out[0] += "Address|Version|" 187 } 188 189 out[0] += "Drain|Eligibility|Status" 190 191 if c.list_allocs { 192 out[0] += "|Running Allocs" 193 } 194 195 for i, node := range nodes { 196 out[i+1] = fmt.Sprintf("%s|%s|%s|%s", 197 limit(node.ID, c.length), 198 node.Datacenter, 199 node.Name, 200 node.NodeClass) 201 if c.verbose { 202 out[i+1] += fmt.Sprintf("|%s|%s", 203 node.Address, node.Version) 204 } 205 out[i+1] += fmt.Sprintf("|%v|%s|%s", 206 node.Drain, 207 node.SchedulingEligibility, 208 node.Status) 209 210 if c.list_allocs { 211 numAllocs, err := getRunningAllocs(client, node.ID) 212 if err != nil { 213 c.Ui.Error(fmt.Sprintf("Error querying node allocations: %s", err)) 214 return 1 215 } 216 out[i+1] += fmt.Sprintf("|%v", 217 len(numAllocs)) 218 } 219 } 220 221 // Dump the output 222 c.Ui.Output(formatList(out)) 223 return 0 224 } 225 226 // Query the specific node 227 var nodeID string 228 if !c.self { 229 nodeID = args[0] 230 } else { 231 var err error 232 if nodeID, err = getLocalNodeID(client); err != nil { 233 c.Ui.Error(err.Error()) 234 return 1 235 } 236 } 237 if len(nodeID) == 1 { 238 c.Ui.Error(fmt.Sprintf("Identifier must contain at least two characters.")) 239 return 1 240 } 241 242 nodeID = sanitizeUUIDPrefix(nodeID) 243 nodes, _, err := client.Nodes().PrefixList(nodeID) 244 if err != nil { 245 c.Ui.Error(fmt.Sprintf("Error querying node info: %s", err)) 246 return 1 247 } 248 // Return error if no nodes are found 249 if len(nodes) == 0 { 250 c.Ui.Error(fmt.Sprintf("No node(s) with prefix %q found", nodeID)) 251 return 1 252 } 253 if len(nodes) > 1 { 254 // Dump the output 255 c.Ui.Error(fmt.Sprintf("Prefix matched multiple nodes\n\n%s", 256 formatNodeStubList(nodes, c.verbose))) 257 return 1 258 } 259 260 // Prefix lookup matched a single node 261 node, _, err := client.Nodes().Info(nodes[0].ID, nil) 262 if err != nil { 263 c.Ui.Error(fmt.Sprintf("Error querying node info: %s", err)) 264 return 1 265 } 266 267 // If output format is specified, format and output the data 268 if c.json || len(c.tmpl) > 0 { 269 out, err := Format(c.json, c.tmpl, node) 270 if err != nil { 271 c.Ui.Error(err.Error()) 272 return 1 273 } 274 275 c.Ui.Output(out) 276 return 0 277 } 278 279 return c.formatNode(client, node) 280 } 281 282 func nodeDrivers(n *api.Node) []string { 283 var drivers []string 284 for k, v := range n.Attributes { 285 // driver.docker = 1 286 parts := strings.Split(k, ".") 287 if len(parts) != 2 { 288 continue 289 } else if parts[0] != "driver" { 290 continue 291 } else if v != "1" { 292 continue 293 } 294 295 drivers = append(drivers, parts[1]) 296 } 297 298 sort.Strings(drivers) 299 return drivers 300 } 301 302 func (c *NodeStatusCommand) formatNode(client *api.Client, node *api.Node) int { 303 // Format the header output 304 basic := []string{ 305 fmt.Sprintf("ID|%s", limit(node.ID, c.length)), 306 fmt.Sprintf("Name|%s", node.Name), 307 fmt.Sprintf("Class|%s", node.NodeClass), 308 fmt.Sprintf("DC|%s", node.Datacenter), 309 fmt.Sprintf("Drain|%v", node.Drain), 310 fmt.Sprintf("Eligibility|%s", node.SchedulingEligibility), 311 fmt.Sprintf("Status|%s", node.Status), 312 } 313 314 if c.short { 315 basic = append(basic, fmt.Sprintf("Drivers|%s", strings.Join(nodeDrivers(node), ","))) 316 c.Ui.Output(c.Colorize().Color(formatKV(basic))) 317 } else { 318 // Get the host stats 319 hostStats, nodeStatsErr := client.Nodes().Stats(node.ID, nil) 320 if nodeStatsErr != nil { 321 c.Ui.Output("") 322 c.Ui.Error(fmt.Sprintf("error fetching node stats: %v", nodeStatsErr)) 323 } 324 if hostStats != nil { 325 uptime := time.Duration(hostStats.Uptime * uint64(time.Second)) 326 basic = append(basic, fmt.Sprintf("Uptime|%s", uptime.String())) 327 } 328 329 // Emit the driver info 330 if !c.verbose { 331 driverStatus := fmt.Sprintf("Driver Status| %s", c.outputTruncatedNodeDriverInfo(node)) 332 basic = append(basic, driverStatus) 333 } 334 335 c.Ui.Output(c.Colorize().Color(formatKV(basic))) 336 337 if c.verbose { 338 c.outputNodeDriverInfo(node) 339 } 340 341 // Emit node events 342 c.outputNodeStatusEvents(node) 343 344 // Get list of running allocations on the node 345 runningAllocs, err := getRunningAllocs(client, node.ID) 346 if err != nil { 347 c.Ui.Error(fmt.Sprintf("Error querying node for running allocations: %s", err)) 348 return 1 349 } 350 351 allocatedResources := getAllocatedResources(client, runningAllocs, node) 352 c.Ui.Output(c.Colorize().Color("\n[bold]Allocated Resources[reset]")) 353 c.Ui.Output(formatList(allocatedResources)) 354 355 actualResources, err := getActualResources(client, runningAllocs, node) 356 if err == nil { 357 c.Ui.Output(c.Colorize().Color("\n[bold]Allocation Resource Utilization[reset]")) 358 c.Ui.Output(formatList(actualResources)) 359 } 360 361 hostResources, err := getHostResources(hostStats, node) 362 if err != nil { 363 c.Ui.Output("") 364 c.Ui.Error(fmt.Sprintf("error fetching node stats: %v", err)) 365 } 366 if err == nil { 367 c.Ui.Output(c.Colorize().Color("\n[bold]Host Resource Utilization[reset]")) 368 c.Ui.Output(formatList(hostResources)) 369 } 370 371 if hostStats != nil && c.stats { 372 c.Ui.Output(c.Colorize().Color("\n[bold]CPU Stats[reset]")) 373 c.printCpuStats(hostStats) 374 c.Ui.Output(c.Colorize().Color("\n[bold]Memory Stats[reset]")) 375 c.printMemoryStats(hostStats) 376 c.Ui.Output(c.Colorize().Color("\n[bold]Disk Stats[reset]")) 377 c.printDiskStats(hostStats) 378 } 379 } 380 381 nodeAllocs, _, err := client.Nodes().Allocations(node.ID, nil) 382 if err != nil { 383 c.Ui.Error(fmt.Sprintf("Error querying node allocations: %s", err)) 384 return 1 385 } 386 387 c.Ui.Output(c.Colorize().Color("\n[bold]Allocations[reset]")) 388 c.Ui.Output(formatAllocList(nodeAllocs, c.verbose, c.length)) 389 390 if c.verbose { 391 c.formatAttributes(node) 392 c.formatMeta(node) 393 } 394 return 0 395 396 } 397 398 func (c *NodeStatusCommand) outputTruncatedNodeDriverInfo(node *api.Node) string { 399 drivers := make([]string, 0, len(node.Drivers)) 400 401 for driverName, driverInfo := range node.Drivers { 402 if !driverInfo.Detected { 403 continue 404 } 405 406 if !driverInfo.Healthy { 407 drivers = append(drivers, fmt.Sprintf("%s (unhealthy)", driverName)) 408 } else { 409 drivers = append(drivers, driverName) 410 } 411 } 412 sort.Strings(drivers) 413 return strings.Trim(strings.Join(drivers, ","), ", ") 414 } 415 416 func (c *NodeStatusCommand) outputNodeDriverInfo(node *api.Node) { 417 c.Ui.Output(c.Colorize().Color("\n[bold]Drivers")) 418 419 size := len(node.Drivers) 420 nodeDrivers := make([]string, 0, size+1) 421 422 nodeDrivers = append(nodeDrivers, "Driver|Detected|Healthy|Message|Time") 423 424 drivers := make([]string, 0, len(node.Drivers)) 425 for driver := range node.Drivers { 426 drivers = append(drivers, driver) 427 } 428 sort.Strings(drivers) 429 430 for _, driver := range drivers { 431 info := node.Drivers[driver] 432 timestamp := formatTime(info.UpdateTime) 433 nodeDrivers = append(nodeDrivers, fmt.Sprintf("%s|%v|%v|%s|%s", driver, info.Detected, info.Healthy, info.HealthDescription, timestamp)) 434 } 435 c.Ui.Output(formatList(nodeDrivers)) 436 } 437 438 func (c *NodeStatusCommand) outputNodeStatusEvents(node *api.Node) { 439 c.Ui.Output(c.Colorize().Color("\n[bold]Node Events")) 440 c.outputNodeEvent(node.Events) 441 } 442 443 func (c *NodeStatusCommand) outputNodeEvent(events []*api.NodeEvent) { 444 size := len(events) 445 nodeEvents := make([]string, size+1) 446 if c.verbose { 447 nodeEvents[0] = "Time|Subsystem|Message|Details" 448 } else { 449 nodeEvents[0] = "Time|Subsystem|Message" 450 } 451 452 for i, event := range events { 453 timestamp := formatTime(event.Timestamp) 454 subsystem := formatEventSubsystem(event.Subsystem, event.Details["driver"]) 455 msg := event.Message 456 if c.verbose { 457 details := formatEventDetails(event.Details) 458 nodeEvents[size-i] = fmt.Sprintf("%s|%s|%s|%s", timestamp, subsystem, msg, details) 459 } else { 460 nodeEvents[size-i] = fmt.Sprintf("%s|%s|%s", timestamp, subsystem, msg) 461 } 462 } 463 c.Ui.Output(formatList(nodeEvents)) 464 } 465 466 func formatEventSubsystem(subsystem, driverName string) string { 467 if driverName == "" { 468 return subsystem 469 } 470 471 // If this event is for a driver, append the driver name to make the message 472 // clearer 473 return fmt.Sprintf("Driver: %s", driverName) 474 } 475 476 func formatEventDetails(details map[string]string) string { 477 output := make([]string, 0, len(details)) 478 for k, v := range details { 479 output = append(output, fmt.Sprintf("%s: %s ", k, v)) 480 } 481 return strings.Join(output, ", ") 482 } 483 484 func (c *NodeStatusCommand) formatAttributes(node *api.Node) { 485 // Print the attributes 486 keys := make([]string, len(node.Attributes)) 487 for k := range node.Attributes { 488 keys = append(keys, k) 489 } 490 sort.Strings(keys) 491 492 var attributes []string 493 for _, k := range keys { 494 if k != "" { 495 attributes = append(attributes, fmt.Sprintf("%s|%s", k, node.Attributes[k])) 496 } 497 } 498 c.Ui.Output(c.Colorize().Color("\n[bold]Attributes[reset]")) 499 c.Ui.Output(formatKV(attributes)) 500 } 501 502 func (c *NodeStatusCommand) formatMeta(node *api.Node) { 503 // Print the meta 504 keys := make([]string, 0, len(node.Meta)) 505 for k := range node.Meta { 506 keys = append(keys, k) 507 } 508 sort.Strings(keys) 509 510 var meta []string 511 for _, k := range keys { 512 if k != "" { 513 meta = append(meta, fmt.Sprintf("%s|%s", k, node.Meta[k])) 514 } 515 } 516 c.Ui.Output(c.Colorize().Color("\n[bold]Meta[reset]")) 517 c.Ui.Output(formatKV(meta)) 518 } 519 520 func (c *NodeStatusCommand) printCpuStats(hostStats *api.HostStats) { 521 l := len(hostStats.CPU) 522 for i, cpuStat := range hostStats.CPU { 523 cpuStatsAttr := make([]string, 4) 524 cpuStatsAttr[0] = fmt.Sprintf("CPU|%v", cpuStat.CPU) 525 cpuStatsAttr[1] = fmt.Sprintf("User|%v%%", humanize.FormatFloat(floatFormat, cpuStat.User)) 526 cpuStatsAttr[2] = fmt.Sprintf("System|%v%%", humanize.FormatFloat(floatFormat, cpuStat.System)) 527 cpuStatsAttr[3] = fmt.Sprintf("Idle|%v%%", humanize.FormatFloat(floatFormat, cpuStat.Idle)) 528 c.Ui.Output(formatKV(cpuStatsAttr)) 529 if i+1 < l { 530 c.Ui.Output("") 531 } 532 } 533 } 534 535 func (c *NodeStatusCommand) printMemoryStats(hostStats *api.HostStats) { 536 memoryStat := hostStats.Memory 537 memStatsAttr := make([]string, 4) 538 memStatsAttr[0] = fmt.Sprintf("Total|%v", humanize.IBytes(memoryStat.Total)) 539 memStatsAttr[1] = fmt.Sprintf("Available|%v", humanize.IBytes(memoryStat.Available)) 540 memStatsAttr[2] = fmt.Sprintf("Used|%v", humanize.IBytes(memoryStat.Used)) 541 memStatsAttr[3] = fmt.Sprintf("Free|%v", humanize.IBytes(memoryStat.Free)) 542 c.Ui.Output(formatKV(memStatsAttr)) 543 } 544 545 func (c *NodeStatusCommand) printDiskStats(hostStats *api.HostStats) { 546 l := len(hostStats.DiskStats) 547 for i, diskStat := range hostStats.DiskStats { 548 diskStatsAttr := make([]string, 7) 549 diskStatsAttr[0] = fmt.Sprintf("Device|%s", diskStat.Device) 550 diskStatsAttr[1] = fmt.Sprintf("MountPoint|%s", diskStat.Mountpoint) 551 diskStatsAttr[2] = fmt.Sprintf("Size|%s", humanize.IBytes(diskStat.Size)) 552 diskStatsAttr[3] = fmt.Sprintf("Used|%s", humanize.IBytes(diskStat.Used)) 553 diskStatsAttr[4] = fmt.Sprintf("Available|%s", humanize.IBytes(diskStat.Available)) 554 diskStatsAttr[5] = fmt.Sprintf("Used Percent|%v%%", humanize.FormatFloat(floatFormat, diskStat.UsedPercent)) 555 diskStatsAttr[6] = fmt.Sprintf("Inodes Percent|%v%%", humanize.FormatFloat(floatFormat, diskStat.InodesUsedPercent)) 556 c.Ui.Output(formatKV(diskStatsAttr)) 557 if i+1 < l { 558 c.Ui.Output("") 559 } 560 } 561 } 562 563 // getRunningAllocs returns a slice of allocation id's running on the node 564 func getRunningAllocs(client *api.Client, nodeID string) ([]*api.Allocation, error) { 565 var allocs []*api.Allocation 566 567 // Query the node allocations 568 nodeAllocs, _, err := client.Nodes().Allocations(nodeID, nil) 569 // Filter list to only running allocations 570 for _, alloc := range nodeAllocs { 571 if alloc.ClientStatus == "running" { 572 allocs = append(allocs, alloc) 573 } 574 } 575 return allocs, err 576 } 577 578 // getAllocatedResources returns the resource usage of the node. 579 func getAllocatedResources(client *api.Client, runningAllocs []*api.Allocation, node *api.Node) []string { 580 // Compute the total 581 total := computeNodeTotalResources(node) 582 583 // Get Resources 584 var cpu, mem, disk, iops int 585 for _, alloc := range runningAllocs { 586 cpu += *alloc.Resources.CPU 587 mem += *alloc.Resources.MemoryMB 588 disk += *alloc.Resources.DiskMB 589 iops += *alloc.Resources.IOPS 590 } 591 592 resources := make([]string, 2) 593 resources[0] = "CPU|Memory|Disk|IOPS" 594 resources[1] = fmt.Sprintf("%d/%d MHz|%s/%s|%s/%s|%d/%d", 595 cpu, 596 *total.CPU, 597 humanize.IBytes(uint64(mem*bytesPerMegabyte)), 598 humanize.IBytes(uint64(*total.MemoryMB*bytesPerMegabyte)), 599 humanize.IBytes(uint64(disk*bytesPerMegabyte)), 600 humanize.IBytes(uint64(*total.DiskMB*bytesPerMegabyte)), 601 iops, 602 *total.IOPS) 603 604 return resources 605 } 606 607 // computeNodeTotalResources returns the total allocatable resources (resources 608 // minus reserved) 609 func computeNodeTotalResources(node *api.Node) api.Resources { 610 total := api.Resources{} 611 612 r := node.Resources 613 res := node.Reserved 614 if res == nil { 615 res = &api.Resources{} 616 } 617 total.CPU = helper.IntToPtr(*r.CPU - *res.CPU) 618 total.MemoryMB = helper.IntToPtr(*r.MemoryMB - *res.MemoryMB) 619 total.DiskMB = helper.IntToPtr(*r.DiskMB - *res.DiskMB) 620 total.IOPS = helper.IntToPtr(*r.IOPS - *res.IOPS) 621 return total 622 } 623 624 // getActualResources returns the actual resource usage of the allocations. 625 func getActualResources(client *api.Client, runningAllocs []*api.Allocation, node *api.Node) ([]string, error) { 626 // Compute the total 627 total := computeNodeTotalResources(node) 628 629 // Get Resources 630 var cpu float64 631 var mem uint64 632 for _, alloc := range runningAllocs { 633 // Make the call to the client to get the actual usage. 634 stats, err := client.Allocations().Stats(alloc, nil) 635 if err != nil { 636 return nil, err 637 } 638 639 cpu += stats.ResourceUsage.CpuStats.TotalTicks 640 mem += stats.ResourceUsage.MemoryStats.RSS 641 } 642 643 resources := make([]string, 2) 644 resources[0] = "CPU|Memory" 645 resources[1] = fmt.Sprintf("%v/%d MHz|%v/%v", 646 math.Floor(cpu), 647 *total.CPU, 648 humanize.IBytes(mem), 649 humanize.IBytes(uint64(*total.MemoryMB*bytesPerMegabyte))) 650 651 return resources, nil 652 } 653 654 // getHostResources returns the actual resource usage of the node. 655 func getHostResources(hostStats *api.HostStats, node *api.Node) ([]string, error) { 656 if hostStats == nil { 657 return nil, fmt.Errorf("actual resource usage not present") 658 } 659 var resources []string 660 661 // calculate disk usage 662 storageDevice := node.Attributes["unique.storage.volume"] 663 var diskUsed, diskSize uint64 664 var physical bool 665 for _, disk := range hostStats.DiskStats { 666 if disk.Device == storageDevice { 667 diskUsed = disk.Used 668 diskSize = disk.Size 669 physical = true 670 } 671 } 672 673 resources = make([]string, 2) 674 resources[0] = "CPU|Memory|Disk" 675 if physical { 676 resources[1] = fmt.Sprintf("%v/%d MHz|%s/%s|%s/%s", 677 math.Floor(hostStats.CPUTicksConsumed), 678 *node.Resources.CPU, 679 humanize.IBytes(hostStats.Memory.Used), 680 humanize.IBytes(hostStats.Memory.Total), 681 humanize.IBytes(diskUsed), 682 humanize.IBytes(diskSize), 683 ) 684 } else { 685 // If non-physical device are used, output device name only, 686 // since nomad doesn't collect the stats data. 687 resources[1] = fmt.Sprintf("%v/%d MHz|%s/%s|(%s)", 688 math.Floor(hostStats.CPUTicksConsumed), 689 *node.Resources.CPU, 690 humanize.IBytes(hostStats.Memory.Used), 691 humanize.IBytes(hostStats.Memory.Total), 692 storageDevice, 693 ) 694 } 695 return resources, nil 696 } 697 698 // formatNodeStubList is used to return a table format of a list of node stubs. 699 func formatNodeStubList(nodes []*api.NodeListStub, verbose bool) string { 700 // Return error if no nodes are found 701 if len(nodes) == 0 { 702 return "" 703 } 704 // Truncate the id unless full length is requested 705 length := shortId 706 if verbose { 707 length = fullId 708 } 709 710 // Format the nodes list that matches the prefix so that the user 711 // can create a more specific request 712 out := make([]string, len(nodes)+1) 713 out[0] = "ID|DC|Name|Class|Drain|Eligibility|Status" 714 for i, node := range nodes { 715 out[i+1] = fmt.Sprintf("%s|%s|%s|%s|%v|%s|%s", 716 limit(node.ID, length), 717 node.Datacenter, 718 node.Name, 719 node.NodeClass, 720 node.Drain, 721 node.SchedulingEligibility, 722 node.Status) 723 } 724 725 return formatList(out) 726 }