forked from TrueCloudLab/frostfs-s3-gw
117 lines
3.1 KiB
Go
117 lines
3.1 KiB
Go
/*
|
|
* MinIO Cloud Storage, (C) 2020 MinIO, Inc.
|
|
*
|
|
* 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 api
|
|
|
|
import (
|
|
"encoding/json"
|
|
"errors"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/minio/minio/legacy/config"
|
|
"github.com/minio/minio/pkg/env"
|
|
)
|
|
|
|
// API sub-system constants
|
|
const (
|
|
apiRequestsMax = "requests_max"
|
|
apiRequestsDeadline = "requests_deadline"
|
|
apiReadyDeadline = "ready_deadline"
|
|
apiCorsAllowOrigin = "cors_allow_origin"
|
|
|
|
EnvAPIRequestsMax = "MINIO_API_REQUESTS_MAX"
|
|
EnvAPIRequestsDeadline = "MINIO_API_REQUESTS_DEADLINE"
|
|
EnvAPIReadyDeadline = "MINIO_API_READY_DEADLINE"
|
|
EnvAPICorsAllowOrigin = "MINIO_API_CORS_ALLOW_ORIGIN"
|
|
)
|
|
|
|
// DefaultKVS - default storage class config
|
|
var (
|
|
DefaultKVS = config.KVS{
|
|
config.KV{
|
|
Key: apiRequestsMax,
|
|
Value: "0",
|
|
},
|
|
config.KV{
|
|
Key: apiRequestsDeadline,
|
|
Value: "10s",
|
|
},
|
|
config.KV{
|
|
Key: apiReadyDeadline,
|
|
Value: "10s",
|
|
},
|
|
config.KV{
|
|
Key: apiCorsAllowOrigin,
|
|
Value: "*",
|
|
},
|
|
}
|
|
)
|
|
|
|
// Config storage class configuration
|
|
type Config struct {
|
|
APIRequestsMax int `json:"requests_max"`
|
|
APIRequestsDeadline time.Duration `json:"requests_deadline"`
|
|
APIReadyDeadline time.Duration `json:"ready_deadline"`
|
|
APICorsAllowOrigin []string `json:"cors_allow_origin"`
|
|
}
|
|
|
|
// UnmarshalJSON - Validate SS and RRS parity when unmarshalling JSON.
|
|
func (sCfg *Config) UnmarshalJSON(data []byte) error {
|
|
type Alias Config
|
|
aux := &struct {
|
|
*Alias
|
|
}{
|
|
Alias: (*Alias)(sCfg),
|
|
}
|
|
return json.Unmarshal(data, &aux)
|
|
}
|
|
|
|
// LookupConfig - lookup api config and override with valid environment settings if any.
|
|
func LookupConfig(kvs config.KVS) (cfg Config, err error) {
|
|
if err = config.CheckValidKeys(config.APISubSys, kvs, DefaultKVS); err != nil {
|
|
return cfg, err
|
|
}
|
|
|
|
// Check environment variables parameters
|
|
requestsMax, err := strconv.Atoi(env.Get(EnvAPIRequestsMax, kvs.Get(apiRequestsMax)))
|
|
if err != nil {
|
|
return cfg, err
|
|
}
|
|
|
|
if requestsMax < 0 {
|
|
return cfg, errors.New("invalid API max requests value")
|
|
}
|
|
|
|
requestsDeadline, err := time.ParseDuration(env.Get(EnvAPIRequestsDeadline, kvs.Get(apiRequestsDeadline)))
|
|
if err != nil {
|
|
return cfg, err
|
|
}
|
|
|
|
readyDeadline, err := time.ParseDuration(env.Get(EnvAPIReadyDeadline, kvs.Get(apiReadyDeadline)))
|
|
if err != nil {
|
|
return cfg, err
|
|
}
|
|
|
|
corsAllowOrigin := strings.Split(env.Get(EnvAPICorsAllowOrigin, kvs.Get(apiCorsAllowOrigin)), ",")
|
|
return Config{
|
|
APIRequestsMax: requestsMax,
|
|
APIRequestsDeadline: requestsDeadline,
|
|
APIReadyDeadline: readyDeadline,
|
|
APICorsAllowOrigin: corsAllowOrigin,
|
|
}, nil
|
|
}
|