686d4656de
A new key was added in identity_openid recently required explicitly for client to set the optional value without that it would be empty, handle this appropriately. Fixes #8787
139 lines
3.4 KiB
Go
139 lines
3.4 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cache
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import (
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"errors"
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"strconv"
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"github.com/minio/minio/cmd/config"
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"github.com/minio/minio/pkg/env"
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)
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// Cache ENVs
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const (
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Drives = "drives"
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Exclude = "exclude"
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Expiry = "expiry"
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MaxUse = "maxuse"
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Quota = "quota"
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EnvCacheDrives = "MINIO_CACHE_DRIVES"
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EnvCacheExclude = "MINIO_CACHE_EXCLUDE"
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EnvCacheExpiry = "MINIO_CACHE_EXPIRY"
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EnvCacheMaxUse = "MINIO_CACHE_MAXUSE"
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EnvCacheQuota = "MINIO_CACHE_QUOTA"
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EnvCacheEncryptionMasterKey = "MINIO_CACHE_ENCRYPTION_MASTER_KEY"
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DefaultExpiry = "90"
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DefaultQuota = "80"
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)
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// DefaultKVS - default KV settings for caching.
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var (
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DefaultKVS = config.KVS{
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config.KV{
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Key: Drives,
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Value: "",
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},
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config.KV{
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Key: Exclude,
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Value: "",
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},
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config.KV{
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Key: Expiry,
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Value: DefaultExpiry,
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},
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config.KV{
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Key: Quota,
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Value: DefaultQuota,
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},
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}
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)
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const (
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cacheDelimiter = ","
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)
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// Enabled returns if cache is enabled.
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func Enabled(kvs config.KVS) bool {
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drives := kvs.Get(Drives)
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return drives != ""
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}
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// LookupConfig - extracts cache configuration provided by environment
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// variables and merge them with provided CacheConfiguration.
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func LookupConfig(kvs config.KVS) (Config, error) {
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cfg := Config{}
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if err := config.CheckValidKeys(config.CacheSubSys, kvs, DefaultKVS); err != nil {
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return cfg, err
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}
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drives := env.Get(EnvCacheDrives, kvs.Get(Drives))
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if len(drives) == 0 {
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return cfg, nil
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}
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var err error
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cfg.Drives, err = parseCacheDrives(drives)
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if err != nil {
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return cfg, err
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}
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cfg.Enabled = true
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if excludes := env.Get(EnvCacheExclude, kvs.Get(Exclude)); excludes != "" {
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cfg.Exclude, err = parseCacheExcludes(excludes)
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if err != nil {
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return cfg, err
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}
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}
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if expiryStr := env.Get(EnvCacheExpiry, kvs.Get(Expiry)); expiryStr != "" {
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cfg.Expiry, err = strconv.Atoi(expiryStr)
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if err != nil {
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return cfg, config.ErrInvalidCacheExpiryValue(err)
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}
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}
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if maxUseStr := env.Get(EnvCacheMaxUse, kvs.Get(MaxUse)); maxUseStr != "" {
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cfg.MaxUse, err = strconv.Atoi(maxUseStr)
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if err != nil {
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return cfg, config.ErrInvalidCacheQuota(err)
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}
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// maxUse should be a valid percentage.
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if cfg.MaxUse < 0 || cfg.MaxUse > 100 {
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err := errors.New("config max use value should not be null or negative")
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return cfg, config.ErrInvalidCacheQuota(err)
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}
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cfg.Quota = cfg.MaxUse
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} else if quotaStr := env.Get(EnvCacheQuota, kvs.Get(Quota)); quotaStr != "" {
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cfg.Quota, err = strconv.Atoi(quotaStr)
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if err != nil {
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return cfg, config.ErrInvalidCacheQuota(err)
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}
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// quota should be a valid percentage.
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if cfg.Quota < 0 || cfg.Quota > 100 {
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err := errors.New("config quota value should not be null or negative")
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return cfg, config.ErrInvalidCacheQuota(err)
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}
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cfg.MaxUse = cfg.Quota
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}
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return cfg, nil
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}
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