130 lines
2.9 KiB
Go
130 lines
2.9 KiB
Go
package command
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import (
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"encoding/json"
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"fmt"
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"strings"
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"github.com/hashicorp/go-hclog"
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trstate "github.com/hashicorp/nomad/client/allocrunner/taskrunner/state"
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"github.com/hashicorp/nomad/client/state"
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"github.com/posener/complete"
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)
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type OperatorClientStateCommand struct {
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Meta
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}
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func (c *OperatorClientStateCommand) Help() string {
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helpText := `
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Usage: nomad operator client-state <path_to_nomad_dir>
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Emits a representation of the stored client state in JSON format.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *OperatorClientStateCommand) AutocompleteFlags() complete.Flags {
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return complete.Flags{}
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}
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func (c *OperatorClientStateCommand) AutocompleteArgs() complete.Predictor {
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return complete.PredictNothing
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}
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func (c *OperatorClientStateCommand) Synopsis() string {
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return "Dump the nomad client state"
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}
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func (c *OperatorClientStateCommand) Name() string { return "operator client-state" }
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func (c *OperatorClientStateCommand) Run(args []string) int {
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if len(args) != 1 {
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c.Ui.Error("This command takes one argument: <nomad-data-dir>")
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c.Ui.Error(commandErrorText(c))
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return 1
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}
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logger := hclog.L()
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db, err := state.NewBoltStateDB(logger, args[0])
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if err != nil {
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c.Ui.Error(fmt.Sprintf("failed to open client state: %v", err))
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return 1
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}
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defer db.Close()
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allocs, _, err := db.GetAllAllocations()
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if err != nil {
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c.Ui.Error(fmt.Sprintf("failed to get allocations: %v", err))
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return 1
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}
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data := map[string]*clientStateAlloc{}
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for _, alloc := range allocs {
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allocID := alloc.ID
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deployState, err := db.GetDeploymentStatus(allocID)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("failed to get deployment status for %s: %v", allocID, err))
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return 1
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}
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tasks := map[string]*taskState{}
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tg := alloc.Job.LookupTaskGroup(alloc.TaskGroup)
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for _, jt := range tg.Tasks {
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ls, rs, err := db.GetTaskRunnerState(allocID, jt.Name)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("failed to get task runner state %s: %v", allocID, err))
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return 1
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}
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var ds interface{}
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if ls.TaskHandle == nil {
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continue
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}
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err = ls.TaskHandle.GetDriverState(&ds)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("failed to parse driver state %s: %v", allocID, err))
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return 1
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}
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tasks[jt.Name] = &taskState{
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LocalState: ls,
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RemoteState: rs,
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DriverState: ds,
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}
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}
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data[allocID] = &clientStateAlloc{
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Alloc: alloc,
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DeployStatus: deployState,
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Tasks: tasks,
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}
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}
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output := debugOutput{
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Allocations: data,
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}
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bytes, err := json.Marshal(output)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("failed to serialize client state: %v", err))
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return 1
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}
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c.Ui.Output(string(bytes))
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return 0
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}
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type debugOutput struct {
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Allocations map[string]*clientStateAlloc
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}
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type clientStateAlloc struct {
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Alloc any
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DeployStatus any
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Tasks map[string]*taskState
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}
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type taskState struct {
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LocalState *trstate.LocalState
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RemoteState any
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DriverState interface{}
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}
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