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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package rest
import (
"errors"
"github.com/go-openapi/runtime/middleware"
"github.com/sirupsen/logrus"
"github.com/weaviate/weaviate/adapters/handlers/rest/operations"
"github.com/weaviate/weaviate/adapters/handlers/rest/operations/nodes"
"github.com/weaviate/weaviate/adapters/handlers/rest/state"
"github.com/weaviate/weaviate/adapters/repos/db"
enterrors "github.com/weaviate/weaviate/entities/errors"
"github.com/weaviate/weaviate/entities/models"
"github.com/weaviate/weaviate/entities/verbosity"
autherrs "github.com/weaviate/weaviate/usecases/auth/authorization/errors"
"github.com/weaviate/weaviate/usecases/monitoring"
nodesUC "github.com/weaviate/weaviate/usecases/nodes"
schemaUC "github.com/weaviate/weaviate/usecases/schema"
)
type nodesHandlers struct {
manager *nodesUC.Manager
metricRequestsTotal restApiRequestsTotal
}
func (n *nodesHandlers) getNodesStatus(params nodes.NodesGetParams, principal *models.Principal) middleware.Responder {
output, err := verbosity.ParseOutput(params.Output)
if err != nil {
return nodes.NewNodesGetUnprocessableEntity().WithPayload(errPayloadFromSingleErr(err))
}
nodeStatuses, err := n.manager.GetNodeStatus(params.HTTPRequest.Context(), principal, "", output)
if err != nil {
return n.handleGetNodesError(err)
}
status := &models.NodesStatusResponse{
Nodes: nodeStatuses,
}
n.metricRequestsTotal.logOk("")
return nodes.NewNodesGetOK().WithPayload(status)
}
func (n *nodesHandlers) getNodesStatusByClass(params nodes.NodesGetClassParams, principal *models.Principal) middleware.Responder {
output, err := verbosity.ParseOutput(params.Output)
if err != nil {
return nodes.NewNodesGetUnprocessableEntity().WithPayload(errPayloadFromSingleErr(err))
}
nodeStatuses, err := n.manager.GetNodeStatus(params.HTTPRequest.Context(), principal, params.ClassName, output)
if err != nil {
return n.handleGetNodesError(err)
}
status := &models.NodesStatusResponse{
Nodes: nodeStatuses,
}
n.metricRequestsTotal.logOk("")
return nodes.NewNodesGetOK().WithPayload(status)
}
func (n *nodesHandlers) handleGetNodesError(err error) middleware.Responder {
n.metricRequestsTotal.logError("", err)
if errors.As(err, &enterrors.ErrNotFound{}) {
return nodes.NewNodesGetClassNotFound().
WithPayload(errPayloadFromSingleErr(err))
}
if errors.As(err, &autherrs.Forbidden{}) {
return nodes.NewNodesGetClassForbidden().
WithPayload(errPayloadFromSingleErr(err))
}
if errors.As(err, &enterrors.ErrUnprocessable{}) {
return nodes.NewNodesGetClassUnprocessableEntity().
WithPayload(errPayloadFromSingleErr(err))
}
return nodes.NewNodesGetClassInternalServerError().
WithPayload(errPayloadFromSingleErr(err))
}
func setupNodesHandlers(api *operations.WeaviateAPI,
schemaManger *schemaUC.Manager, repo *db.DB, appState *state.State,
) {
nodesManager := nodesUC.NewManager(appState.Logger, appState.Authorizer,
repo, schemaManger)
h := &nodesHandlers{nodesManager, newNodesRequestsTotal(appState.Metrics, appState.Logger)}
api.NodesNodesGetHandler = nodes.
NodesGetHandlerFunc(h.getNodesStatus)
api.NodesNodesGetClassHandler = nodes.
NodesGetClassHandlerFunc(h.getNodesStatusByClass)
}
type nodesRequestsTotal struct {
*restApiRequestsTotalImpl
}
func newNodesRequestsTotal(metrics *monitoring.PrometheusMetrics, logger logrus.FieldLogger) restApiRequestsTotal {
return &nodesRequestsTotal{
restApiRequestsTotalImpl: &restApiRequestsTotalImpl{newRequestsTotalMetric(metrics, "rest"), "rest", "nodes", logger},
}
}
func (e *nodesRequestsTotal) logError(className string, err error) {
switch err.(type) {
case enterrors.ErrNotFound, enterrors.ErrUnprocessable:
e.logUserError(className)
case autherrs.Forbidden:
e.logUserError(className)
default:
e.logServerError(className, err)
}
}
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