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0b592467d9
Ensure data-race-free access to the daemon configuration without locking by mutating a deep copy of the config and atomically storing a pointer to the copy into the daemon-wide configStore value. Any operations which need to read from the daemon config must capture the configStore value only once and pass it around to guarantee a consistent view of the config. Signed-off-by: Cory Snider <csnider@mirantis.com>
25 lines
797 B
Go
25 lines
797 B
Go
//go:build !windows
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package daemon // import "github.com/docker/docker/daemon"
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import (
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"github.com/docker/docker/container"
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"github.com/docker/docker/daemon/config"
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)
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// getLibcontainerdCreateOptions callers must hold a lock on the container
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func (daemon *Daemon) getLibcontainerdCreateOptions(daemonCfg *config.Config, container *container.Container) (string, interface{}, error) {
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// Ensure a runtime has been assigned to this container
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if container.HostConfig.Runtime == "" {
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container.HostConfig.Runtime = daemonCfg.DefaultRuntime
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container.CheckpointTo(daemon.containersReplica)
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}
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binary, opts, err := daemon.getRuntime(daemonCfg, container.HostConfig.Runtime)
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if err != nil {
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return "", nil, setExitCodeFromError(container.SetExitCode, err)
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}
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return binary, opts, nil
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}
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