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ba7cdc8c8b
Optimize `DNSResolveCacheController` type, including `dns.Server` optimization for easy start/stop. This PR ensures that we delete server from runners on stop (even unexpected) and restart it properly. Also fixes incorrect assumption on unit-tests. Fixes #8563 This PR also does those things: - Removes `utils.Runner` - Removes `ctxutil.MonitorFn` - Removes `dns.Runner` - Removes `network.dnsRunner` Signed-off-by: Dmitriy Matrenichev <dmitry.matrenichev@siderolabs.com>
18 lines
534 B
Go
18 lines
534 B
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// Package ctxutil provides utilities for working with contexts.
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package ctxutil
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import "context"
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// Cause returns the cause of the context error, or nil if there is no error or the error is a usual context error.
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func Cause(ctx context.Context) error {
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if c := context.Cause(ctx); c != ctx.Err() {
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return c
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}
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return nil
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}
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