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// A REST client to interact with LINSTOR's REST API
// Copyright (C) LINBIT HA-Solutions GmbH
// All Rights Reserved.
// Author: Roland Kammerer <roland.kammerer@linbit.com>
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package client
import (
"net/url"
"reflect"
"github.com/google/go-querystring/query"
)
// ListOpts is a struct primarily used to define parameters used for pagination. It is also used for filtering (e.g., the /view/ calls)
type ListOpts struct {
// Number of items to skip. Only used if Limit is a positive value
Offset int `url:"offset"`
// Maximum number of items to retrieve
Limit int `url:"limit"`
// Some responses can be cached controller side, such as snapshot lists
Cached *bool `url:"cached,omitempty"`
StoragePool []string `url:"storage_pools"`
Resource []string `url:"resources"`
Node []string `url:"nodes"`
Prop []string `url:"props"`
Snapshots []string `url:"snapshots"`
Status string `url:"status,omitempty"`
// Content is used in the files API. If true, fetching files will include the content.
Content bool `url:"content,omitempty"`
}
func genOptions(opts ...*ListOpts) *ListOpts {
if opts == nil || len(opts) == 0 {
return nil
}
return opts[0]
}
func addOptions(s string, opt interface{}) (string, error) {
v := reflect.ValueOf(opt)
if v.Kind() == reflect.Ptr && v.IsNil() {
return s, nil
}
u, err := url.Parse(s)
if err != nil {
return s, err
}
vs, err := query.Values(opt)
if err != nil {
return s, err
}
u.RawQuery = vs.Encode()
return u.String(), nil
}
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