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https://github.com/tailscale/tailscale.git
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11b770fbc9
Removes 434 KB from the minimal Linux binary, or ~3%. Primarily this comes from not linking in the zstd encoding code. Fixes #17323 Change-Id: I0a90de307dfa1ad7422db7aa8b1b46c782bfaaf7 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
66 lines
2.7 KiB
Go
66 lines
2.7 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package logtail
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import (
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"io"
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"net/http"
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"time"
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"tailscale.com/tstime"
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"tailscale.com/types/logid"
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)
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// DefaultHost is the default host name to upload logs to when
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// Config.BaseURL isn't provided.
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const DefaultHost = "log.tailscale.com"
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const defaultFlushDelay = 2 * time.Second
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const (
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// CollectionNode is the name of a logtail Config.Collection
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// for tailscaled (or equivalent: IPNExtension, Android app).
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CollectionNode = "tailnode.log.tailscale.io"
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)
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type Config struct {
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Collection string // collection name, a domain name
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PrivateID logid.PrivateID // private ID for the primary log stream
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CopyPrivateID logid.PrivateID // private ID for a log stream that is a superset of this log stream
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BaseURL string // if empty defaults to "https://log.tailscale.com"
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HTTPC *http.Client // if empty defaults to http.DefaultClient
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SkipClientTime bool // if true, client_time is not written to logs
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LowMemory bool // if true, logtail minimizes memory use
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Clock tstime.Clock // if set, Clock.Now substitutes uses of time.Now
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Stderr io.Writer // if set, logs are sent here instead of os.Stderr
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StderrLevel int // max verbosity level to write to stderr; 0 means the non-verbose messages only
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Buffer Buffer // temp storage, if nil a MemoryBuffer
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CompressLogs bool // whether to compress the log uploads
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MaxUploadSize int // maximum upload size; 0 means using the default
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// MetricsDelta, if non-nil, is a func that returns an encoding
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// delta in clientmetrics to upload alongside existing logs.
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// It can return either an empty string (for nothing) or a string
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// that's safe to embed in a JSON string literal without further escaping.
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MetricsDelta func() string
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// FlushDelayFn, if non-nil is a func that returns how long to wait to
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// accumulate logs before uploading them. 0 or negative means to upload
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// immediately.
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//
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// If nil, a default value is used. (currently 2 seconds)
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FlushDelayFn func() time.Duration
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// IncludeProcID, if true, results in an ephemeral process identifier being
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// included in logs. The ID is random and not guaranteed to be globally
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// unique, but it can be used to distinguish between different instances
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// running with same PrivateID.
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IncludeProcID bool
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// IncludeProcSequence, if true, results in an ephemeral sequence number
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// being included in the logs. The sequence number is incremented for each
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// log message sent, but is not persisted across process restarts.
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IncludeProcSequence bool
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}
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