logger

package
v0.2.1 Latest Latest
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 Go to latest Published: Mar 29, 2022 License: AGPL-3.0 Imports: 34 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	Endpoint   = "endpoint"
	AuthToken  = "auth_token"
	ClientCert = "client_cert"
	ClientKey  = "client_key"
	QueueSize  = "queue_size"

	KafkaBrokers       = "brokers"
	KafkaTopic         = "topic"
	KafkaTLS           = "tls"
	KafkaTLSSkipVerify = "tls_skip_verify"
	KafkaTLSClientAuth = "tls_client_auth"
	KafkaSASL          = "sasl"
	KafkaSASLUsername  = "sasl_username"
	KafkaSASLPassword  = "sasl_password"
	KafkaSASLMechanism = "sasl_mechanism"
	KafkaClientTLSCert = "client_tls_cert"
	KafkaClientTLSKey  = "client_tls_key"
	KafkaVersion       = "version"

	EnvLoggerWebhookEnable     = "MINIO_LOGGER_WEBHOOK_ENABLE"
	EnvLoggerWebhookEndpoint   = "MINIO_LOGGER_WEBHOOK_ENDPOINT"
	EnvLoggerWebhookAuthToken  = "MINIO_LOGGER_WEBHOOK_AUTH_TOKEN"
	EnvLoggerWebhookClientCert = "MINIO_LOGGER_WEBHOOK_CLIENT_CERT"
	EnvLoggerWebhookClientKey  = "MINIO_LOGGER_WEBHOOK_CLIENT_KEY"
	EnvLoggerWebhookQueueSize  = "MINIO_LOGGER_WEBHOOK_QUEUE_SIZE"

	EnvAuditWebhookEnable     = "MINIO_AUDIT_WEBHOOK_ENABLE"
	EnvAuditWebhookEndpoint   = "MINIO_AUDIT_WEBHOOK_ENDPOINT"
	EnvAuditWebhookAuthToken  = "MINIO_AUDIT_WEBHOOK_AUTH_TOKEN"
	EnvAuditWebhookClientCert = "MINIO_AUDIT_WEBHOOK_CLIENT_CERT"
	EnvAuditWebhookClientKey  = "MINIO_AUDIT_WEBHOOK_CLIENT_KEY"
	EnvAuditWebhookQueueSize  = "MINIO_AUDIT_WEBHOOK_QUEUE_SIZE"

	EnvKafkaEnable        = "MINIO_AUDIT_KAFKA_ENABLE"
	EnvKafkaBrokers       = "MINIO_AUDIT_KAFKA_BROKERS"
	EnvKafkaTopic         = "MINIO_AUDIT_KAFKA_TOPIC"
	EnvKafkaTLS           = "MINIO_AUDIT_KAFKA_TLS"
	EnvKafkaTLSSkipVerify = "MINIO_AUDIT_KAFKA_TLS_SKIP_VERIFY"
	EnvKafkaTLSClientAuth = "MINIO_AUDIT_KAFKA_TLS_CLIENT_AUTH"
	EnvKafkaSASLEnable    = "MINIO_AUDIT_KAFKA_SASL"
	EnvKafkaSASLUsername  = "MINIO_AUDIT_KAFKA_SASL_USERNAME"
	EnvKafkaSASLPassword  = "MINIO_AUDIT_KAFKA_SASL_PASSWORD"
	EnvKafkaSASLMechanism = "MINIO_AUDIT_KAFKA_SASL_MECHANISM"
	EnvKafkaClientTLSCert = "MINIO_AUDIT_KAFKA_CLIENT_TLS_CERT"
	EnvKafkaClientTLSKey  = "MINIO_AUDIT_KAFKA_CLIENT_TLS_KEY"
	EnvKafkaVersion       = "MINIO_AUDIT_KAFKA_VERSION"
)

Audit/Logger constants

View Source 
const ConsoleLoggerTgt = "console+http"

ConsoleLoggerTgt is a stringified value to represent console logging

View Source 
const TimeFormat string = "15:04:05 MST 01/02/2006"

TimeFormat - logging time format.

Variables

View Source 
var (
	DefaultLoggerWebhookKVS = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: config.EnableOff,
		},
		config.KV{
			Key:   Endpoint,
			Value: "",
		},
		config.KV{
			Key:   AuthToken,
			Value: "",
		},
		config.KV{
			Key:   ClientCert,
			Value: "",
		},
		config.KV{
			Key:   ClientKey,
			Value: "",
		},
		config.KV{
			Key:   QueueSize,
			Value: "100000",
		},
	}

	DefaultAuditWebhookKVS = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: config.EnableOff,
		},
		config.KV{
			Key:   Endpoint,
			Value: "",
		},
		config.KV{
			Key:   AuthToken,
			Value: "",
		},
		config.KV{
			Key:   ClientCert,
			Value: "",
		},
		config.KV{
			Key:   ClientKey,
			Value: "",
		},
		config.KV{
			Key:   QueueSize,
			Value: "100000",
		},
	}

	DefaultAuditKafkaKVS = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: config.EnableOff,
		},
		config.KV{
			Key:   KafkaTopic,
			Value: "",
		},
		config.KV{
			Key:   KafkaBrokers,
			Value: "",
		},
		config.KV{
			Key:   KafkaSASLUsername,
			Value: "",
		},
		config.KV{
			Key:   KafkaSASLPassword,
			Value: "",
		},
		config.KV{
			Key:   KafkaSASLMechanism,
			Value: "plain",
		},
		config.KV{
			Key:   KafkaClientTLSCert,
			Value: "",
		},
		config.KV{
			Key:   KafkaClientTLSKey,
			Value: "",
		},
		config.KV{
			Key:   KafkaTLSClientAuth,
			Value: "0",
		},
		config.KV{
			Key:   KafkaSASL,
			Value: config.EnableOff,
		},
		config.KV{
			Key:   KafkaTLS,
			Value: config.EnableOff,
		},
		config.KV{
			Key:   KafkaTLSSkipVerify,
			Value: config.EnableOff,
		},
		config.KV{
			Key:   KafkaVersion,
			Value: "",
		},
	}
)

Default KVS for loggerHTTP and loggerAuditHTTP

View Source 
var (
	Help = config.HelpKVS{
		config.HelpKV{
			Key:         config.Enable,
			Description: "set to 'on' to enable the logger webhook",
			Optional:    true,
			Type:        "on|off",
			Sensitive:   false,
		},
		config.HelpKV{
			Key:         Endpoint,
			Description: `HTTP(s) endpoint e.g. "http://localhost:8080/minio/logs/server"`,
			Type:        "url",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         AuthToken,
			Description: `opaque string or JWT authorization token`,
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         ClientCert,
			Description: "mTLS certificate for Logger Webhook authentication",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         ClientKey,
			Description: "mTLS certificate key for Logger Webhook authentication",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         QueueSize,
			Description: "configure channel queue size for Logger Webhook targets",
			Optional:    true,
			Type:        "number",
		},
		config.HelpKV{
			Key:         config.Comment,
			Description: config.DefaultComment,
			Optional:    true,
			Type:        "sentence",
		},
	}

	HelpWebhook = config.HelpKVS{
		config.HelpKV{
			Key:         Endpoint,
			Description: `HTTP(s) endpoint e.g. "http://localhost:8080/minio/logs/audit"`,
			Type:        "url",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         AuthToken,
			Description: `opaque string or JWT authorization token`,
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         ClientCert,
			Description: "mTLS certificate for Audit Webhook authentication",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         ClientKey,
			Description: "mTLS certificate key for Audit Webhook authentication",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         QueueSize,
			Description: "configure channel queue size for Audit Webhook targets",
			Optional:    true,
			Type:        "number",
		},
		config.HelpKV{
			Key:         config.Comment,
			Description: config.DefaultComment,
			Optional:    true,
			Type:        "sentence",
		},
	}

	HelpKafka = config.HelpKVS{
		config.HelpKV{
			Key:         KafkaBrokers,
			Description: "comma separated list of Kafka broker addresses",
			Type:        "csv",
		},
		config.HelpKV{
			Key:         KafkaTopic,
			Description: "Kafka topic used for bucket notifications",
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         KafkaSASLUsername,
			Description: "username for SASL/PLAIN or SASL/SCRAM authentication",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         KafkaSASLPassword,
			Description: "password for SASL/PLAIN or SASL/SCRAM authentication",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         KafkaSASLMechanism,
			Description: "sasl authentication mechanism, default 'plain'",
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         KafkaTLSClientAuth,
			Description: "clientAuth determines the Kafka server's policy for TLS client auth",
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         KafkaSASL,
			Description: "set to 'on' to enable SASL authentication",
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         KafkaTLS,
			Description: "set to 'on' to enable TLS",
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         KafkaTLSSkipVerify,
			Description: `trust server TLS without verification, defaults to "on" (verify)`,
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         KafkaClientTLSCert,
			Description: "path to client certificate for mTLS auth",
			Optional:    true,
			Type:        "path",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         KafkaClientTLSKey,
			Description: "path to client key for mTLS auth",
			Optional:    true,
			Type:        "path",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         KafkaVersion,
			Description: "specify the version of the Kafka cluster",
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         config.Comment,
			Description: config.DefaultComment,
			Optional:    true,
			Type:        "sentence",
		},
	}
)

Help template for logger http and audit

View Source 
var BodyPlaceHolder = []byte("<BODY>")

BodyPlaceHolder returns a dummy body placeholder

View Source 
var Disable = false

Disable disables all logging, false by default. (used for "go test")

View Source 
var ErrCritical struct{}

ErrCritical is the value panic'd whenever CriticalIf is called.

Functions

func AddSystemTarget 

func AddSystemTarget(t Target) error

AddSystemTarget adds a new logger target to the list of enabled loggers

func AuditLog 

func AuditLog(ctx context.Context, w http.ResponseWriter, r *http.Request, reqClaims map[string]interface{}, filterKeys ...string)

AuditLog - logs audit logs to all audit targets.

func CriticalIf 

func CriticalIf(ctx context.Context, err error, errKind ...interface{})

CriticalIf logs the provided error on the console. It fails the current go-routine by causing a `panic(ErrCritical)`.

func EnableAnonymous 

func EnableAnonymous()

EnableAnonymous - turns anonymous flag to avoid printing sensitive information.

func EnableJSON 

func EnableJSON()

EnableJSON - outputs logs in json format.

func EnableQuiet 

func EnableQuiet()

EnableQuiet - turns quiet option on.

func Error 

func Error(msg string, data ...interface{})

Error :

func Fatal 

func Fatal(err error, msg string, data ...interface{})

Fatal prints only fatal error message with no stack trace it will be called for input validation failures

func FatalIf 

func FatalIf(err error, msg string, data ...interface{})

FatalIf is similar to Fatal() but it ignores passed nil error

func GetAuditEntry 

func GetAuditEntry(ctx context.Context) *audit.Entry

GetAuditEntry returns Audit entry if set.

func GetAuditKafka 

func GetAuditKafka(kafkaKVS map[string]config.KVS) (map[string]kafka.Config, error)

GetAuditKafka - returns a map of registered notification 'kafka' targets

func Info 

func Info(msg string, data ...interface{})

Info :

func Init 

func Init(goPath string, goRoot string)

Init sets the trimStrings to possible GOPATHs and GOROOT directories. Also append github.com/minio/minio This is done to clean up the filename, when stack trace is displayed when an error happens.

func IsJSON 

func IsJSON() bool

IsJSON - returns true if jsonFlag is true

func IsQuiet 

func IsQuiet() bool

IsQuiet - returns true if quietFlag is true

func LogAlwaysIf 

func LogAlwaysIf(ctx context.Context, err error, errKind ...interface{})

LogAlwaysIf prints a detailed error message during the execution of the server.

func LogIf 

func LogIf(ctx context.Context, err error, errKind ...interface{})

LogIf prints a detailed error message during the execution of the server, if it is not an ignored error.

func LogOnceIf 

func LogOnceIf(ctx context.Context, err error, id interface{}, errKind ...interface{})

LogOnceIf - Logs notification errors - once per error. id is a unique identifier for related log messages, refer to cmd/notification.go on how it is used.

func RegisterError 

func RegisterError(f func(string, error, bool) string)

RegisterError registers the specified rendering function. This latter will be called for a pretty rendering of fatal errors.

func SetAuditEntry 

func SetAuditEntry(ctx context.Context, audit *audit.Entry) context.Context

SetAuditEntry sets Audit info in the context.

func SetLoggerHTTP 

func SetLoggerHTTP(scfg config.Config, k string, args http.Config)

SetLoggerHTTP helper for migrating older config to newer KV format.

func SetLoggerHTTPAudit 

func SetLoggerHTTPAudit(scfg config.Config, k string, args http.Config)

SetLoggerHTTPAudit - helper for migrating older config to newer KV format.

func SetReqInfo 

func SetReqInfo(ctx context.Context, req *ReqInfo) context.Context

SetReqInfo sets ReqInfo in the context.

func UpdateAuditKafkaTargets 

func UpdateAuditKafkaTargets(cfg Config) error

UpdateAuditKafkaTargets swaps audit kafka targets with newly loaded ones from the cfg

func UpdateAuditWebhookTargets 

func UpdateAuditWebhookTargets(cfg Config) error

UpdateAuditWebhookTargets swaps audit webhook targets with newly loaded ones from the cfg

func UpdateSystemTargets 

func UpdateSystemTargets(cfg Config) error

UpdateSystemTargets swaps targets with newly loaded ones from the cfg

func ValidateSubSysConfig 

func ValidateSubSysConfig(scfg config.Config, subSys string) error

ValidateSubSysConfig - validates logger related config of given sub-system

Types

type Config 

type Config struct {
	Console      Console                 `json:"console"`
	HTTP         map[string]http.Config  `json:"http"`
	AuditWebhook map[string]http.Config  `json:"audit"`
	AuditKafka   map[string]kafka.Config `json:"audit_kafka"`
}

Config console and http logger targets

func LookupConfigForSubSys 

func LookupConfigForSubSys(scfg config.Config, subSys string) (cfg Config, err error)

LookupConfigForSubSys - lookup logger config, override with ENVs if set, for the given sub-system

func NewConfig 

func NewConfig() Config

NewConfig - initialize new logger config.

type Console 

type Console struct {
	Enabled bool `json:"enabled"`
}

Console logger target

type KeyVal 

type KeyVal struct {
	Key string
	Val interface{}
}

KeyVal - appended to ReqInfo.Tags

type Kind 

type Kind string

Kind specifies the kind of error log 

const (
	// Minio errors
	Minio Kind = "MINIO"
	// Application errors
	Application Kind = "APPLICATION"
	// All errors
	All Kind = "ALL"
)

type Level 

type Level int8

Level type 

const (
	InformationLvl Level = iota + 1
	ErrorLvl
	FatalLvl
)

Enumerated level types

func (Level) String 

func (level Level) String() string

type Logger 

type Logger interface {
	// contains filtered or unexported methods
}

Logger interface describes the methods that need to be implemented to satisfy the interface requirements.

type ObjectVersion 

type ObjectVersion struct {
	ObjectName string
	VersionID  string `json:"VersionId,omitempty"`
}

ObjectVersion object version key/versionId

type ReqInfo 

type ReqInfo struct {
	RemoteHost   string          // Client Host/IP
	Host         string          // Node Host/IP
	UserAgent    string          // User Agent
	DeploymentID string          // x-minio-deployment-id
	RequestID    string          // x-amz-request-id
	API          string          // API name - GetObject PutObject NewMultipartUpload etc.
	BucketName   string          `json:",omitempty"` // Bucket name
	ObjectName   string          `json:",omitempty"` // Object name
	VersionID    string          `json:",omitempty"` // corresponding versionID for the object
	Objects      []ObjectVersion `json:",omitempty"` // Only set during MultiObject delete handler.
	AccessKey    string          // Access Key

	sync.RWMutex
	// contains filtered or unexported fields
}

ReqInfo stores the request info.

func GetReqInfo 

func GetReqInfo(ctx context.Context) *ReqInfo

GetReqInfo returns ReqInfo if set.

func NewReqInfo 

func NewReqInfo(remoteHost, userAgent, deploymentID, requestID, api, bucket, object string) *ReqInfo

NewReqInfo :

func (*ReqInfo) AppendTags 

func (r *ReqInfo) AppendTags(key string, val interface{}) *ReqInfo

AppendTags - appends key/val to ReqInfo.tags

func (*ReqInfo) GetTags 

func (r *ReqInfo) GetTags() []KeyVal

GetTags - returns the user defined tags

func (*ReqInfo) GetTagsMap 

func (r *ReqInfo) GetTagsMap() map[string]interface{}

GetTagsMap - returns the user defined tags in a map structure

func (*ReqInfo) SetTags 

func (r *ReqInfo) SetTags(key string, val interface{}) *ReqInfo

SetTags - sets key/val to ReqInfo.tags

type ResponseWriter 

type ResponseWriter struct {
	http.ResponseWriter
	StatusCode int
	// Log body of 4xx or 5xx responses
	LogErrBody bool
	// Log body of all responses
	LogAllBody bool

	TimeToFirstByte time.Duration
	StartTime       time.Time
	// contains filtered or unexported fields
}

ResponseWriter - is a wrapper to trap the http response status code.

func NewResponseWriter 

func NewResponseWriter(w http.ResponseWriter) *ResponseWriter

NewResponseWriter - returns a wrapped response writer to trap http status codes for auditing purposes.

func (*ResponseWriter) Body 

func (lrw *ResponseWriter) Body() []byte

Body - Return response body.

func (*ResponseWriter) Flush 

func (lrw *ResponseWriter) Flush()

Flush - Calls the underlying Flush.

func (*ResponseWriter) Size 

func (lrw *ResponseWriter) Size() int

Size - reutrns the number of bytes written

func (*ResponseWriter) Write 

func (lrw *ResponseWriter) Write(p []byte) (int, error)

func (*ResponseWriter) WriteHeader 

func (lrw *ResponseWriter) WriteHeader(code int)

WriteHeader - writes http status code

type Target 

type Target interface {
	String() string
	Endpoint() string
	Init() error
	Cancel()
	Send(entry interface{}, errKind string) error
	Type() types.TargetType
}

Target is the entity that we will receive a single log entry and Send it to the log target 

e.g. Send the log to a http server

func AuditTargets 

func AuditTargets() []Target

AuditTargets returns active audit targets. Returned slice may not be modified in any way.

func SystemTargets 

func SystemTargets() []Target

SystemTargets returns active targets. Returned slice may not be modified in any way.

Source Files

View all Source files

Directories

Path Synopsis
message
audit
log
target
console
http
kafka
types

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