cc-backend/internal/api/cluster.go
2025-06-05 13:23:36 +02:00

71 lines
2.2 KiB
Go

// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package api
import (
"bufio"
"encoding/json"
"fmt"
"net/http"
"github.com/ClusterCockpit/cc-backend/internal/repository"
"github.com/ClusterCockpit/cc-backend/pkg/archive"
"github.com/ClusterCockpit/cc-backend/pkg/schema"
)
// GetClustersApiResponse model
type GetClustersApiResponse struct {
Clusters []*schema.Cluster `json:"clusters"` // Array of clusters
}
// getClusters godoc
// @summary Lists all cluster configs
// @tags Cluster query
// @description Get a list of all cluster configs. Specific cluster can be requested using query parameter.
// @produce json
// @param cluster query string false "Job Cluster"
// @success 200 {object} api.GetClustersApiResponse "Array of clusters"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /api/clusters/ [get]
func (api *RestApi) getClusters(rw http.ResponseWriter, r *http.Request) {
if user := repository.GetUserFromContext(r.Context()); user != nil &&
!user.HasRole(schema.RoleApi) {
handleError(fmt.Errorf("missing role: %v", schema.GetRoleString(schema.RoleApi)), http.StatusForbidden, rw)
return
}
rw.Header().Add("Content-Type", "application/json")
bw := bufio.NewWriter(rw)
defer bw.Flush()
var clusters []*schema.Cluster
if r.URL.Query().Has("cluster") {
name := r.URL.Query().Get("cluster")
cluster := archive.GetCluster(name)
if cluster == nil {
handleError(fmt.Errorf("unknown cluster: %s", name), http.StatusBadRequest, rw)
return
}
clusters = append(clusters, cluster)
} else {
clusters = archive.Clusters
}
payload := GetClustersApiResponse{
Clusters: clusters,
}
if err := json.NewEncoder(bw).Encode(payload); err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
}