133 lines
5.2 KiB
Go
133 lines
5.2 KiB
Go
package accesslog
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import (
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"net/http"
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)
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const (
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// StartUTC is the map key used for the time at which request processing started.
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StartUTC = "StartUTC"
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// StartLocal is the map key used for the local time at which request processing started.
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StartLocal = "StartLocal"
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// Duration is the map key used for the total time taken by processing the response, including the origin server's time but
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// not the log writing time.
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Duration = "Duration"
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// RouterName is the map key used for the name of the Traefik router.
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RouterName = "RouterName"
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// ServiceName is the map key used for the name of the Traefik backend.
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ServiceName = "ServiceName"
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// ServiceURL is the map key used for the URL of the Traefik backend.
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ServiceURL = "ServiceURL"
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// ServiceAddr is the map key used for the IP:port of the Traefik backend (extracted from BackendURL)
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ServiceAddr = "ServiceAddr"
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// ClientAddr is the map key used for the remote address in its original form (usually IP:port).
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ClientAddr = "ClientAddr"
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// ClientHost is the map key used for the remote IP address from which the client request was received.
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ClientHost = "ClientHost"
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// ClientPort is the map key used for the remote TCP port from which the client request was received.
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ClientPort = "ClientPort"
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// ClientUsername is the map key used for the username provided in the URL, if present.
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ClientUsername = "ClientUsername"
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// RequestAddr is the map key used for the HTTP Host header (usually IP:port). This is treated as not a header by the Go API.
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RequestAddr = "RequestAddr"
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// RequestHost is the map key used for the HTTP Host server name (not including port).
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RequestHost = "RequestHost"
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// RequestPort is the map key used for the TCP port from the HTTP Host.
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RequestPort = "RequestPort"
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// RequestMethod is the map key used for the HTTP method.
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RequestMethod = "RequestMethod"
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// RequestPath is the map key used for the HTTP request URI, not including the scheme, host or port.
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RequestPath = "RequestPath"
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// RequestProtocol is the map key used for the version of HTTP requested.
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RequestProtocol = "RequestProtocol"
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// RequestContentSize is the map key used for the number of bytes in the request entity (a.k.a. body) sent by the client.
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RequestContentSize = "RequestContentSize"
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// RequestRefererHeader is the Referer header in the request
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RequestRefererHeader = "request_Referer"
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// RequestUserAgentHeader is the User-Agent header in the request
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RequestUserAgentHeader = "request_User-Agent"
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// OriginDuration is the map key used for the time taken by the origin server ('upstream') to return its response.
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OriginDuration = "OriginDuration"
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// OriginContentSize is the map key used for the content length specified by the origin server, or 0 if unspecified.
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OriginContentSize = "OriginContentSize"
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// OriginStatus is the map key used for the HTTP status code returned by the origin server.
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// If the request was handled by this Traefik instance (e.g. with a redirect), then this value will be absent.
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OriginStatus = "OriginStatus"
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// DownstreamStatus is the map key used for the HTTP status code returned to the client.
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DownstreamStatus = "DownstreamStatus"
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// DownstreamContentSize is the map key used for the number of bytes in the response entity returned to the client.
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// This is in addition to the "Content-Length" header, which may be present in the origin response.
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DownstreamContentSize = "DownstreamContentSize"
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// RequestCount is the map key used for the number of requests received since the Traefik instance started.
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RequestCount = "RequestCount"
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// GzipRatio is the map key used for the response body compression ratio achieved.
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GzipRatio = "GzipRatio"
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// Overhead is the map key used for the processing time overhead caused by Traefik.
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Overhead = "Overhead"
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// RetryAttempts is the map key used for the amount of attempts the request was retried.
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RetryAttempts = "RetryAttempts"
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)
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// These are written out in the default case when no config is provided to specify keys of interest.
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var defaultCoreKeys = [...]string{
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StartUTC,
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Duration,
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RouterName,
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ServiceName,
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ServiceURL,
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ClientHost,
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ClientPort,
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ClientUsername,
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RequestHost,
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RequestPort,
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RequestMethod,
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RequestPath,
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RequestProtocol,
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RequestContentSize,
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OriginDuration,
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OriginContentSize,
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OriginStatus,
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DownstreamStatus,
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DownstreamContentSize,
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RequestCount,
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}
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// This contains the set of all keys, i.e. all the default keys plus all non-default keys.
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var allCoreKeys = make(map[string]struct{})
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func init() {
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for _, k := range defaultCoreKeys {
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allCoreKeys[k] = struct{}{}
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}
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allCoreKeys[ServiceAddr] = struct{}{}
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allCoreKeys[ClientAddr] = struct{}{}
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allCoreKeys[RequestAddr] = struct{}{}
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allCoreKeys[GzipRatio] = struct{}{}
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allCoreKeys[StartLocal] = struct{}{}
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allCoreKeys[Overhead] = struct{}{}
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allCoreKeys[RetryAttempts] = struct{}{}
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}
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// CoreLogData holds the fields computed from the request/response.
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type CoreLogData map[string]interface{}
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// LogData is the data captured by the middleware so that it can be logged.
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type LogData struct {
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Core CoreLogData
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Request request
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OriginResponse http.Header
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DownstreamResponse downstreamResponse
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}
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type downstreamResponse struct {
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headers http.Header
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status int
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size int64
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}
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type request struct {
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headers http.Header
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count int64
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}
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