fix: refactor coder logger to allow flush without deadlock#375
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fix: refactor coder logger to allow flush without deadlock#375
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mtojek
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Sep 30, 2024
| closeOnce.Do(func() { | ||
| // Trigger a flush and wait for logs to be sent. | ||
| ls.Flush(uid) | ||
| ctx, cancel := context.WithTimeout(ctx, logSendGracePeriod) |
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nit: should we merge context.WithTimeout and context.WithCancel and use one above?
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It's doable, but I feel their purpose is clearer as-is. We could actually make sendCtx not inherit function ctx instead but it's also pointless because ConnectRPC20 applies ctx to connection, so messages won't go through.
dannykopping
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Sep 30, 2024
| metaLogger.Warn(ctx, "Detected Coder version incompatible with AgentAPI v2, falling back to deprecated API", slog.F("coder_version", bi.Version)) | ||
| sendLogs, flushLogs := sendLogsV1(ctx, client, metaLogger.Named("send_logs_v1")) | ||
| return sendLogs, flushLogs, nil | ||
| logger, closer = sendLogsV1(ctx, client, metaLogger.Named("send_logs_v1")) |
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Nice 👍 I found those previous names hard to reason about.
| // sendLogsV2 uses the v2 agent API to send logs. Only compatibile with coder versions >= 2.9. | ||
| func sendLogsV2(ctx context.Context, dest agentsdk.LogDest, ls coderLogSender, l slog.Logger) (Func, func()) { | ||
| func sendLogsV2(ctx context.Context, dest agentsdk.LogDest, ls coderLogSender, l slog.Logger) (logger Func, closer func()) { | ||
| sendCtx, sendCancel := context.WithCancel(ctx) |
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Should sendCancel be deferred, too?
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Nope, we want to keep this context alive until we've flushed or hit the timeout in the closer function.
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mafredri
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mafredri
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(cherry picked from commit 8170323)
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Fixes #364