131 lines
3.3 KiB
Go
131 lines
3.3 KiB
Go
package kv
|
|
|
|
import (
|
|
"context"
|
|
"strconv"
|
|
|
|
"github.com/influxdata/chronograf"
|
|
"github.com/influxdata/chronograf/kv/internal"
|
|
)
|
|
|
|
// Ensure dashboardsStore implements chronograf.DashboardsStore.
|
|
var _ chronograf.DashboardsStore = &dashboardsStore{}
|
|
|
|
// dashboardsStore is the bolt implementation of storing dashboards
|
|
type dashboardsStore struct {
|
|
client *Service
|
|
IDs chronograf.ID
|
|
}
|
|
|
|
// All returns all known dashboards
|
|
func (d *dashboardsStore) All(ctx context.Context) ([]chronograf.Dashboard, error) {
|
|
var srcs []chronograf.Dashboard
|
|
if err := d.client.kv.View(ctx, func(tx Tx) error {
|
|
if err := tx.Bucket(dashboardsBucket).ForEach(func(k, v []byte) error {
|
|
var src chronograf.Dashboard
|
|
if err := internal.UnmarshalDashboard(v, &src); err != nil {
|
|
return err
|
|
}
|
|
srcs = append(srcs, src)
|
|
return nil
|
|
}); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return srcs, nil
|
|
}
|
|
|
|
// Add creates a new Dashboard in the dashboardsStore
|
|
func (d *dashboardsStore) Add(ctx context.Context, src chronograf.Dashboard) (chronograf.Dashboard, error) {
|
|
if err := d.client.kv.Update(ctx, func(tx Tx) error {
|
|
b := tx.Bucket(dashboardsBucket)
|
|
id, err := b.NextSequence()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
src.ID = chronograf.DashboardID(id)
|
|
strID := strconv.FormatUint(id, 10)
|
|
for i, cell := range src.Cells {
|
|
cid, err := d.IDs.Generate()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
cell.ID = cid
|
|
src.Cells[i] = cell
|
|
}
|
|
v, err := internal.MarshalDashboard(src)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return b.Put([]byte(strID), v)
|
|
}); err != nil {
|
|
return chronograf.Dashboard{}, err
|
|
}
|
|
|
|
return src, nil
|
|
}
|
|
|
|
// Get returns a Dashboard if the id exists.
|
|
func (d *dashboardsStore) Get(ctx context.Context, id chronograf.DashboardID) (chronograf.Dashboard, error) {
|
|
var src chronograf.Dashboard
|
|
if err := d.client.kv.View(ctx, func(tx Tx) error {
|
|
strID := strconv.Itoa(int(id))
|
|
if v, err := tx.Bucket(dashboardsBucket).Get([]byte(strID)); v == nil || err != nil {
|
|
return chronograf.ErrDashboardNotFound
|
|
} else if err := internal.UnmarshalDashboard(v, &src); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}); err != nil {
|
|
return chronograf.Dashboard{}, err
|
|
}
|
|
|
|
return src, nil
|
|
}
|
|
|
|
// Delete the dashboard from dashboardsStore
|
|
func (d *dashboardsStore) Delete(ctx context.Context, dash chronograf.Dashboard) error {
|
|
return d.client.kv.Update(ctx, func(tx Tx) error {
|
|
return tx.Bucket(dashboardsBucket).Delete([]byte(strconv.Itoa(int(dash.ID))))
|
|
})
|
|
}
|
|
|
|
// Update the dashboard in dashboardsStore
|
|
func (d *dashboardsStore) Update(ctx context.Context, dash chronograf.Dashboard) error {
|
|
if err := d.client.kv.Update(ctx, func(tx Tx) error {
|
|
// Get an existing dashboard with the same ID.
|
|
b := tx.Bucket(dashboardsBucket)
|
|
strID := strconv.Itoa(int(dash.ID))
|
|
if v, err := b.Get([]byte(strID)); v == nil || err != nil {
|
|
return chronograf.ErrDashboardNotFound
|
|
}
|
|
|
|
for i, cell := range dash.Cells {
|
|
if cell.ID != "" {
|
|
continue
|
|
}
|
|
cid, err := d.IDs.Generate()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
cell.ID = cid
|
|
dash.Cells[i] = cell
|
|
}
|
|
if v, err := internal.MarshalDashboard(dash); err != nil {
|
|
return err
|
|
} else if err := b.Put([]byte(strID), v); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|