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