slog: expose io.Writer #694
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Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
SuperQ
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For: prometheus#14355 Requires a new release of prometheus/common to be cut, as this depends on the following PRs: prometheus/common#694 prometheus/common#697 This commit updates Prometheus to adopt stdlib's log/slog package in favor of go-kit/log. As part of converting to use slog, several other related changes are required to get prometheus working, including: - removed unused logging util func `RateLimit()` - forward ported the util/logging/Deduper logging by implementing a small custom slog.Handler that does the deduping before chaining log calls to the underlying real slog.Logger - move some of the json file logging functionality to use prom/common package functionality - refactored some of the new json file logging for scraping - changes to promql.QueryLogger interface to swap out logging methods for relevant slog sugar wrappers - updated lots of tests that used/replicated custom logging functionality, attempting to keep the logical goal of the tests consistent after the transition - added a healthy amount of `if logger == nil { $makeLogger }` type conditional checks amongst various functions where none were provided -- old code that used the go-kit/log.Logger interface had several places where there were nil references when trying to use functions like `With()` to add keyvals on the new *slog.Logger type Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>
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For: prometheus#14355 Requires a new release of prometheus/common to be cut, as this depends on the following PRs: prometheus/common#694 prometheus/common#697 This commit updates Prometheus to adopt stdlib's log/slog package in favor of go-kit/log. As part of converting to use slog, several other related changes are required to get prometheus working, including: - removed unused logging util func `RateLimit()` - forward ported the util/logging/Deduper logging by implementing a small custom slog.Handler that does the deduping before chaining log calls to the underlying real slog.Logger - move some of the json file logging functionality to use prom/common package functionality - refactored some of the new json file logging for scraping - changes to promql.QueryLogger interface to swap out logging methods for relevant slog sugar wrappers - updated lots of tests that used/replicated custom logging functionality, attempting to keep the logical goal of the tests consistent after the transition - added a healthy amount of `if logger == nil { $makeLogger }` type conditional checks amongst various functions where none were provided -- old code that used the go-kit/log.Logger interface had several places where there were nil references when trying to use functions like `With()` to add keyvals on the new *slog.Logger type Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>
tjhop
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temporarily pinning prom/common to latest commit @main for access to prometheus/common#694 and prometheus/common#697 which haven't made it to a release yet Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>
tjhop
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temporarily pinning prom/common to latest commit @main for access to prometheus/common#694 and prometheus/common#697 which haven't made it to a release yet Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>
tjhop
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temporarily pinning prom/common to latest commit @main for access to prometheus/common#694 and prometheus/common#697 which haven't made it to a release yet Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>
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While implementing the new slog logger at windows_exporter, I figure out that I'm unable to set the Writer as I could on slog.
Define the Writer is important for windows. stdout and stderr are not captured, if programs running as Windows Service.
On windows_exporter, I implement a io.Writer which is able to write data to the Windows Event Log and I would like to use that writer.