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58448bbcb8
Now that the `SetLogger()` functions accept a `logrus.Entry`, they can access the fields that have already been set for the logger and re-apply them if `SetLogger()` is called multiple times. This fixes a bug whereby the logger functions -- which are necessarily called multiple times [1] -- previously ended up applying any new fields the specified logger contained, but erroneously removing any additional fields added since `SetLogger()` was last called. Partially fixes #519. -- [1] - https://github.com/kata-containers/runtime/pull/468 Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
// Copyright (c) 2017-2018 Intel Corporation
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// Copyright (c) 2018 Huawei Corporation
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package api
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import (
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"github.com/sirupsen/logrus"
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"github.com/kata-containers/runtime/virtcontainers/device/config"
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)
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var devLogger = logrus.WithField("subsystem", "device")
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// SetLogger sets the logger for device api package.
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func SetLogger(logger *logrus.Entry) {
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fields := devLogger.Data
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devLogger = logger.WithFields(fields)
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}
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// DeviceLogger returns logger for device management
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func DeviceLogger() *logrus.Entry {
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return devLogger
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}
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// DeviceReceiver is an interface used for accepting devices
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// a device should be attached/added/plugged to a DeviceReceiver
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type DeviceReceiver interface {
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HotplugAddDevice(Device, config.DeviceType) error
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HotplugRemoveDevice(Device, config.DeviceType) error
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// this is only for virtio-blk and virtio-scsi support
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GetAndSetSandboxBlockIndex() (int, error)
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DecrementSandboxBlockIndex() error
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// this is for vhost_user devices
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AddVhostUserDevice(VhostUserDevice, config.DeviceType) error
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}
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// VhostUserDevice represents a vhost-user device. Shared
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// attributes of a vhost-user device can be retrieved using
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// the Attrs() method. Unique data can be obtained by casting
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// the object to the proper type.
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type VhostUserDevice interface {
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Attrs() *config.VhostUserDeviceAttrs
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Type() config.DeviceType
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}
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// Device is the virtcontainers device interface.
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type Device interface {
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Attach(DeviceReceiver) error
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Detach(DeviceReceiver) error
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DeviceType() config.DeviceType
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}
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// DeviceManager can be used to create a new device, this can be used as single
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// device management object.
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type DeviceManager interface {
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NewDevices(devInfos []config.DeviceInfo) ([]Device, error)
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}
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