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tessen.go
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tessen.go
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package actions
import (
corev2 "github.com/sensu/sensu-go/api/core/v2"
"github.com/sensu/sensu-go/backend/messaging"
"github.com/sensu/sensu-go/backend/store"
"golang.org/x/net/context"
)
// TessenController exposes actions which a viewer can perform
type TessenController struct {
store store.TessenConfigStore
bus messaging.MessageBus
}
// NewTessenController returns a new TessenController
func NewTessenController(store store.TessenConfigStore, bus messaging.MessageBus) TessenController {
return TessenController{
store: store,
bus: bus,
}
}
// CreateOrUpdate creates or updates the tessen configuration
func (c TessenController) CreateOrUpdate(ctx context.Context, config *corev2.TessenConfig) error {
if err := c.store.CreateOrUpdateTessenConfig(ctx, config); err != nil {
switch err := err.(type) {
case *store.ErrNotValid:
return NewErrorf(InvalidArgument)
default:
return NewError(InternalErr, err)
}
}
// Publish to Tessend
if err := c.bus.Publish(messaging.TopicTessen, config); err != nil {
return NewError(InternalErr, err)
}
return nil
}
// Get gets the tessen configuration
func (c TessenController) Get(ctx context.Context) (*corev2.TessenConfig, error) {
config, err := c.store.GetTessenConfig(ctx)
if err != nil {
switch err := err.(type) {
case *store.ErrNotFound:
return nil, NewErrorf(NotFound)
default:
return nil, NewError(InternalErr, err)
}
}
return config, nil
}
// TessenMetricController exposes actions which a viewer can perform
type TessenMetricController struct {
bus messaging.MessageBus
}
// NewTessenMetricController returns a new TessenMetricController
func NewTessenMetricController(bus messaging.MessageBus) TessenMetricController {
return TessenMetricController{
bus: bus,
}
}
// Publish publishes the metrics to the message bus used by TessenD
func (c TessenMetricController) Publish(ctx context.Context, metrics []corev2.MetricPoint) error {
if err := c.bus.Publish(messaging.TopicTessenMetric, metrics); err != nil {
return NewError(InternalErr, err)
}
return nil
}