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1ae087bfcf
- make `logging.GetLogger(ctx, Subsys)` the authoritative `logger.Logger` factory function
- the context carries a linked list of injected fields which
`logging.GetLogger` adds to the logger it returns
- introduce the concept of tasks and spans, also tracked as linked list within ctx
- [ ] TODO automatic logging of span begins and ends, with a unique
ID stack that makes it easy to follow a series of log entries in
concurrent code
- ability to produce a chrome://tracing-compatible trace file,
either via an env variable or a `zrepl pprof` subcommand
- this is not a CPU profile, we already have go pprof for that
- but it is very useful to visually inspect where the
replication / snapshotter / pruner spends its time
( fixes #307 )
17 lines
318 B
Go
17 lines
318 B
Go
package logging
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestGetCallerOrPanic(t *testing.T) {
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withStackFromCtxMock := func() string {
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return getMyCallerOrPanic()
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}
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ret := withStackFromCtxMock()
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// zrepl prefix is stripped
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assert.Equal(t, "daemon/logging.TestGetCallerOrPanic", ret)
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}
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