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Copy pathconfig.go
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324 lines (294 loc) · 8.24 KB
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/*
* MinIO Cloud Storage, (C) 2019 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 logger
import (
"strings"
"github.com/minio/minio/cmd/config"
"github.com/minio/minio/pkg/env"
)
// Console logger target
type Console struct {
Enabled bool `json:"enabled"`
}
// HTTP logger target
type HTTP struct {
Enabled bool `json:"enabled"`
Endpoint string `json:"endpoint"`
AuthToken string `json:"authToken"`
}
// Config console and http logger targets
type Config struct {
Console Console `json:"console"`
HTTP map[string]HTTP `json:"http"`
Audit map[string]HTTP `json:"audit"`
}
// HTTP endpoint logger
const (
Endpoint = "endpoint"
AuthToken = "auth_token"
EnvLoggerWebhookEnable = "MINIO_LOGGER_WEBHOOK_ENABLE"
EnvLoggerWebhookEndpoint = "MINIO_LOGGER_WEBHOOK_ENDPOINT"
EnvLoggerWebhookAuthToken = "MINIO_LOGGER_WEBHOOK_AUTH_TOKEN"
EnvAuditWebhookEnable = "MINIO_AUDIT_WEBHOOK_ENABLE"
EnvAuditWebhookEndpoint = "MINIO_AUDIT_WEBHOOK_ENDPOINT"
EnvAuditWebhookAuthToken = "MINIO_AUDIT_WEBHOOK_AUTH_TOKEN"
)
// Inject into config package.
func init() {
config.Logger.Info = Info
config.Logger.LogIf = LogIf
}
// Default KVS for loggerHTTP and loggerAuditHTTP
var (
DefaultKVS = config.KVS{
config.KV{
Key: config.Enable,
Value: config.EnableOff,
},
config.KV{
Key: Endpoint,
Value: "",
},
config.KV{
Key: AuthToken,
Value: "",
},
}
DefaultAuditKVS = config.KVS{
config.KV{
Key: config.Enable,
Value: config.EnableOff,
},
config.KV{
Key: Endpoint,
Value: "",
},
config.KV{
Key: AuthToken,
Value: "",
},
}
)
// NewConfig - initialize new logger config.
func NewConfig() Config {
cfg := Config{
// Console logging is on by default
Console: Console{
Enabled: true,
},
HTTP: make(map[string]HTTP),
Audit: make(map[string]HTTP),
}
// Create an example HTTP logger
cfg.HTTP[config.Default] = HTTP{
Endpoint: "https://username:password@example.com/api",
}
// Create an example Audit logger
cfg.Audit[config.Default] = HTTP{
Endpoint: "https://username:password@example.com/api/audit",
}
return cfg
}
func lookupLegacyConfig() (Config, error) {
cfg := NewConfig()
var loggerTargets []string
envs := env.List(legacyEnvLoggerHTTPEndpoint)
for _, k := range envs {
target := strings.TrimPrefix(k, legacyEnvLoggerHTTPEndpoint+config.Default)
if target == legacyEnvLoggerHTTPEndpoint {
target = config.Default
}
loggerTargets = append(loggerTargets, target)
}
// Load HTTP logger from the environment if found
for _, target := range loggerTargets {
endpointEnv := legacyEnvLoggerHTTPEndpoint
if target != config.Default {
endpointEnv = legacyEnvLoggerHTTPEndpoint + config.Default + target
}
endpoint := env.Get(endpointEnv, "")
if endpoint == "" {
continue
}
cfg.HTTP[target] = HTTP{
Enabled: true,
Endpoint: endpoint,
}
}
// List legacy audit ENVs if any.
var loggerAuditTargets []string
envs = env.List(legacyEnvAuditLoggerHTTPEndpoint)
for _, k := range envs {
target := strings.TrimPrefix(k, legacyEnvAuditLoggerHTTPEndpoint+config.Default)
if target == legacyEnvAuditLoggerHTTPEndpoint {
target = config.Default
}
loggerAuditTargets = append(loggerAuditTargets, target)
}
for _, target := range loggerAuditTargets {
endpointEnv := legacyEnvAuditLoggerHTTPEndpoint
if target != config.Default {
endpointEnv = legacyEnvAuditLoggerHTTPEndpoint + config.Default + target
}
endpoint := env.Get(endpointEnv, "")
if endpoint == "" {
continue
}
cfg.Audit[target] = HTTP{
Enabled: true,
Endpoint: endpoint,
}
}
return cfg, nil
}
// LookupConfig - lookup logger config, override with ENVs if set.
func LookupConfig(scfg config.Config) (Config, error) {
// Lookup for legacy environment variables first
cfg, err := lookupLegacyConfig()
if err != nil {
return cfg, err
}
envs := env.List(EnvLoggerWebhookEndpoint)
var loggerTargets []string
for _, k := range envs {
target := strings.TrimPrefix(k, EnvLoggerWebhookEndpoint+config.Default)
if target == EnvLoggerWebhookEndpoint {
target = config.Default
}
loggerTargets = append(loggerTargets, target)
}
var loggerAuditTargets []string
envs = env.List(EnvAuditWebhookEndpoint)
for _, k := range envs {
target := strings.TrimPrefix(k, EnvAuditWebhookEndpoint+config.Default)
if target == EnvAuditWebhookEndpoint {
target = config.Default
}
loggerAuditTargets = append(loggerAuditTargets, target)
}
// Load HTTP logger from the environment if found
for _, target := range loggerTargets {
if v, ok := cfg.HTTP[target]; ok && v.Enabled {
// This target is already enabled using the
// legacy environment variables, ignore.
continue
}
enableEnv := EnvLoggerWebhookEnable
if target != config.Default {
enableEnv = EnvLoggerWebhookEnable + config.Default + target
}
enable, err := config.ParseBool(env.Get(enableEnv, ""))
if err != nil || !enable {
continue
}
endpointEnv := EnvLoggerWebhookEndpoint
if target != config.Default {
endpointEnv = EnvLoggerWebhookEndpoint + config.Default + target
}
authTokenEnv := EnvLoggerWebhookAuthToken
if target != config.Default {
authTokenEnv = EnvLoggerWebhookAuthToken + config.Default + target
}
cfg.HTTP[target] = HTTP{
Enabled: true,
Endpoint: env.Get(endpointEnv, ""),
AuthToken: env.Get(authTokenEnv, ""),
}
}
for _, target := range loggerAuditTargets {
if v, ok := cfg.Audit[target]; ok && v.Enabled {
// This target is already enabled using the
// legacy environment variables, ignore.
continue
}
enableEnv := EnvAuditWebhookEnable
if target != config.Default {
enableEnv = EnvAuditWebhookEnable + config.Default + target
}
enable, err := config.ParseBool(env.Get(enableEnv, ""))
if err != nil || !enable {
continue
}
endpointEnv := EnvAuditWebhookEndpoint
if target != config.Default {
endpointEnv = EnvAuditWebhookEndpoint + config.Default + target
}
authTokenEnv := EnvAuditWebhookAuthToken
if target != config.Default {
authTokenEnv = EnvAuditWebhookAuthToken + config.Default + target
}
cfg.Audit[target] = HTTP{
Enabled: true,
Endpoint: env.Get(endpointEnv, ""),
AuthToken: env.Get(authTokenEnv, ""),
}
}
for starget, kv := range scfg[config.LoggerWebhookSubSys] {
if l, ok := cfg.HTTP[starget]; ok && l.Enabled {
// Ignore this HTTP logger config since there is
// a target with the same name loaded and enabled
// from the environment.
continue
}
subSysTarget := config.LoggerWebhookSubSys
if starget != config.Default {
subSysTarget = config.LoggerWebhookSubSys + config.SubSystemSeparator + starget
}
if err := config.CheckValidKeys(subSysTarget, kv, DefaultKVS); err != nil {
return cfg, err
}
enabled, err := config.ParseBool(kv.Get(config.Enable))
if err != nil {
return cfg, err
}
if !enabled {
continue
}
cfg.HTTP[starget] = HTTP{
Enabled: true,
Endpoint: kv.Get(Endpoint),
AuthToken: kv.Get(AuthToken),
}
}
for starget, kv := range scfg[config.AuditWebhookSubSys] {
if l, ok := cfg.Audit[starget]; ok && l.Enabled {
// Ignore this audit config since another target
// with the same name is already loaded and enabled
// in the shell environment.
continue
}
subSysTarget := config.AuditWebhookSubSys
if starget != config.Default {
subSysTarget = config.AuditWebhookSubSys + config.SubSystemSeparator + starget
}
if err := config.CheckValidKeys(subSysTarget, kv, DefaultAuditKVS); err != nil {
return cfg, err
}
enabled, err := config.ParseBool(kv.Get(config.Enable))
if err != nil {
return cfg, err
}
if !enabled {
continue
}
cfg.Audit[starget] = HTTP{
Enabled: true,
Endpoint: kv.Get(Endpoint),
AuthToken: kv.Get(AuthToken),
}
}
return cfg, nil
}