366 lines
11 KiB
Go
366 lines
11 KiB
Go
package vault
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"path"
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"strings"
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"time"
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"github.com/hashicorp/vault/helper/timeutil"
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"github.com/hashicorp/vault/sdk/framework"
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"github.com/hashicorp/vault/sdk/logical"
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)
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// activityQueryPath is available in every namespace
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func (b *SystemBackend) activityQueryPath() *framework.Path {
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return &framework.Path{
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Pattern: "internal/counters/activity$",
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Fields: map[string]*framework.FieldSchema{
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"start_time": {
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Type: framework.TypeTime,
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Description: "Start of query interval",
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},
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"end_time": {
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Type: framework.TypeTime,
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Description: "End of query interval",
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},
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"limit_namespaces": {
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Type: framework.TypeInt,
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Default: 0,
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Description: "Limit query output by namespaces",
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},
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},
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HelpSynopsis: strings.TrimSpace(sysHelp["activity-query"][0]),
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HelpDescription: strings.TrimSpace(sysHelp["activity-query"][1]),
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.ReadOperation: &framework.PathOperation{
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Callback: b.handleClientMetricQuery,
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Summary: "Report the client count metrics, for this namespace and all child namespaces.",
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},
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},
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}
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}
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// monthlyActivityCountPath is available in every namespace
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func (b *SystemBackend) monthlyActivityCountPath() *framework.Path {
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return &framework.Path{
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Pattern: "internal/counters/activity/monthly$",
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HelpSynopsis: strings.TrimSpace(sysHelp["activity-monthly"][0]),
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HelpDescription: strings.TrimSpace(sysHelp["activity-monthly"][1]),
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.ReadOperation: &framework.PathOperation{
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Callback: b.handleMonthlyActivityCount,
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Summary: "Report the number of clients for this month, for this namespace and all child namespaces.",
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},
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},
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}
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}
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func (b *SystemBackend) activityPaths() []*framework.Path {
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return []*framework.Path{
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b.monthlyActivityCountPath(),
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b.activityQueryPath(),
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}
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}
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// rootActivityPaths are available only in the root namespace
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func (b *SystemBackend) rootActivityPaths() []*framework.Path {
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return []*framework.Path{
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b.activityQueryPath(),
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b.monthlyActivityCountPath(),
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{
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Pattern: "internal/counters/config$",
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Fields: map[string]*framework.FieldSchema{
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"default_report_months": {
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Type: framework.TypeInt,
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Default: 12,
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Description: "Number of months to report if no start date specified.",
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},
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"retention_months": {
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Type: framework.TypeInt,
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Default: 24,
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Description: "Number of months of client data to retain. Setting to 0 will clear all existing data.",
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},
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"enabled": {
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Type: framework.TypeString,
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Default: "default",
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Description: "Enable or disable collection of client count: enable, disable, or default.",
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},
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},
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HelpSynopsis: strings.TrimSpace(sysHelp["activity-config"][0]),
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HelpDescription: strings.TrimSpace(sysHelp["activity-config"][1]),
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.ReadOperation: &framework.PathOperation{
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Callback: b.handleActivityConfigRead,
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Summary: "Read the client count tracking configuration.",
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},
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logical.UpdateOperation: &framework.PathOperation{
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Callback: b.handleActivityConfigUpdate,
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Summary: "Enable or disable collection of client count, set retention period, or set default reporting period.",
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},
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},
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},
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{
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Pattern: "internal/counters/activity/export$",
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Fields: map[string]*framework.FieldSchema{
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"start_time": {
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Type: framework.TypeTime,
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Description: "Start of query interval",
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},
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"end_time": {
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Type: framework.TypeTime,
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Description: "End of query interval",
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},
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"format": {
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Type: framework.TypeString,
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Description: "Format of the file. Either a CSV or a JSON file with an object per line.",
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Default: "json",
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},
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},
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HelpSynopsis: strings.TrimSpace(sysHelp["activity-export"][0]),
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HelpDescription: strings.TrimSpace(sysHelp["activity-export"][1]),
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.ReadOperation: &framework.PathOperation{
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Callback: b.handleClientExport,
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Summary: "Report the client count metrics, for this namespace and all child namespaces.",
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},
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},
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},
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}
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}
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func parseStartEndTimes(a *ActivityLog, d *framework.FieldData) (time.Time, time.Time, error) {
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startTime := d.Get("start_time").(time.Time)
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endTime := d.Get("end_time").(time.Time)
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// If a specific endTime is used, then respect that
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// otherwise we want to give the latest N months, so go back to the start
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// of the previous month
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//
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// Also convert any user inputs to UTC to avoid
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// problems later.
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if endTime.IsZero() {
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endTime = timeutil.EndOfMonth(timeutil.StartOfPreviousMonth(time.Now().UTC()))
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} else {
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endTime = endTime.UTC()
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}
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if startTime.IsZero() {
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startTime = a.DefaultStartTime(endTime)
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} else {
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startTime = startTime.UTC()
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}
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if startTime.After(endTime) {
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return time.Time{}, time.Time{}, fmt.Errorf("start_time is later than end_time")
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}
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return startTime, endTime, nil
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}
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// This endpoint is not used by the UI. The UI's "export" feature is entirely client-side.
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func (b *SystemBackend) handleClientExport(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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a := b.Core.activityLog
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if a == nil {
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return logical.ErrorResponse("no activity log present"), nil
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}
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startTime, endTime, err := parseStartEndTimes(a, d)
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if err != nil {
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return logical.ErrorResponse(err.Error()), nil
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}
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// This is to avoid the default 90s context timeout.
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timeout := 10 * time.Minute
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if durationRaw := os.Getenv("VAULT_ACTIVITY_EXPORT_DURATION"); durationRaw != "" {
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d, err := time.ParseDuration(durationRaw)
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if err == nil {
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timeout = d
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}
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}
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runCtx, cancelFunc := context.WithTimeout(b.Core.activeContext, timeout)
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defer cancelFunc()
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err = a.writeExport(runCtx, req.ResponseWriter, d.Get("format").(string), startTime, endTime)
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if err != nil {
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return nil, err
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}
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return nil, nil
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}
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func (b *SystemBackend) handleClientMetricQuery(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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a := b.Core.activityLog
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if a == nil {
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return logical.ErrorResponse("no activity log present"), nil
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}
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startTime, endTime, err := parseStartEndTimes(a, d)
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if err != nil {
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return logical.ErrorResponse(err.Error()), nil
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}
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var limitNamespaces int
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if limitNamespacesRaw, ok := d.GetOk("limit_namespaces"); ok {
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limitNamespaces = limitNamespacesRaw.(int)
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}
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results, err := a.handleQuery(ctx, startTime, endTime, limitNamespaces)
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if err != nil {
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return nil, err
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}
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if results == nil {
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resp204, err := logical.RespondWithStatusCode(nil, req, http.StatusNoContent)
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return resp204, err
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}
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return &logical.Response{
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Data: results,
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}, nil
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}
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func (b *SystemBackend) handleMonthlyActivityCount(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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a := b.Core.activityLog
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if a == nil {
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return logical.ErrorResponse("no activity log present"), nil
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}
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results, err := a.partialMonthClientCount(ctx)
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if err != nil {
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return nil, err
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}
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if results == nil {
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return logical.RespondWithStatusCode(nil, req, http.StatusNoContent)
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}
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return &logical.Response{
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Data: results,
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}, nil
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}
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func (b *SystemBackend) handleActivityConfigRead(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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a := b.Core.activityLog
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if a == nil {
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return logical.ErrorResponse("no activity log present"), nil
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}
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config, err := a.loadConfigOrDefault(ctx)
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if err != nil {
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return nil, err
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}
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qa, err := a.queriesAvailable(ctx)
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if err != nil {
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return nil, err
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}
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if config.Enabled == "default" {
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config.Enabled = activityLogEnabledDefaultValue
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}
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return &logical.Response{
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Data: map[string]interface{}{
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"default_report_months": config.DefaultReportMonths,
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"retention_months": config.RetentionMonths,
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"enabled": config.Enabled,
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"queries_available": qa,
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},
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}, nil
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}
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func (b *SystemBackend) handleActivityConfigUpdate(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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a := b.Core.activityLog
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if a == nil {
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return logical.ErrorResponse("no activity log present"), nil
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}
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warnings := make([]string, 0)
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config, err := a.loadConfigOrDefault(ctx)
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if err != nil {
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return nil, err
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}
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{
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// Parse the default report months
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if defaultReportMonthsRaw, ok := d.GetOk("default_report_months"); ok {
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config.DefaultReportMonths = defaultReportMonthsRaw.(int)
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}
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if config.DefaultReportMonths <= 0 {
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return logical.ErrorResponse("default_report_months must be greater than 0"), logical.ErrInvalidRequest
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}
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}
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{
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// Parse the retention months
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if retentionMonthsRaw, ok := d.GetOk("retention_months"); ok {
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config.RetentionMonths = retentionMonthsRaw.(int)
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}
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if config.RetentionMonths < 0 {
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return logical.ErrorResponse("retention_months must be greater than or equal to 0"), logical.ErrInvalidRequest
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}
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if config.RetentionMonths > 36 {
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config.RetentionMonths = 36
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warnings = append(warnings, "retention_months cannot be greater than 36; capped to 36.")
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}
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}
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{
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// Parse the enabled setting
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if enabledRaw, ok := d.GetOk("enabled"); ok {
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enabledStr := enabledRaw.(string)
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// If we switch from enabled to disabled, then we return a warning to the client.
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// We have to keep the default state of activity log enabled in mind
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if config.Enabled == "enable" && enabledStr == "disable" ||
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!activityLogEnabledDefault && config.Enabled == "enable" && enabledStr == "default" ||
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activityLogEnabledDefault && config.Enabled == "default" && enabledStr == "disable" {
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warnings = append(warnings, "the current monthly segment will be deleted because the activity log was disabled")
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}
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switch enabledStr {
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case "default", "enable", "disable":
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config.Enabled = enabledStr
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default:
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return logical.ErrorResponse("enabled must be one of \"default\", \"enable\", \"disable\""), logical.ErrInvalidRequest
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}
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}
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}
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enabled := config.Enabled == "enable"
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if !enabled && config.Enabled == "default" {
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enabled = activityLogEnabledDefault
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}
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if enabled && config.RetentionMonths == 0 {
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return logical.ErrorResponse("retention_months cannot be 0 while enabled"), logical.ErrInvalidRequest
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}
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// Store the config
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entry, err := logical.StorageEntryJSON(path.Join(activitySubPath, activityConfigKey), config)
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if err != nil {
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return nil, err
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}
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if err := req.Storage.Put(ctx, entry); err != nil {
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return nil, err
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}
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// Set the new config on the activity log
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a.SetConfig(ctx, config)
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if len(warnings) > 0 {
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return &logical.Response{
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Warnings: warnings,
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}, nil
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}
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return nil, nil
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}
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