Method Copier.copySrc has a Cognitive Complexity of 75 (exceeds 20 allowed). Consider refactoring.

Open

func (c *Copier) copySrc(name string, src io.Reader) {
    defer c.copyJobs.Done()

    bufSize := defaultBufSize
    if sizedLogger, ok := c.dst.(SizedLogger); ok {

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Function DirCopy has a Cognitive Complexity of 75 (exceeds 20 allowed). Consider refactoring.

Open

func DirCopy(srcDir, dstDir string, copyMode Mode, copyOpaqueXattrs bool) error {
    copyWithFileRange := true
    copyWithFileClone := true

    // This is a map of source file inodes to dst file paths

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Method ImageService.resolveAllReferences has a Cognitive Complexity of 73 (exceeds 20 allowed). Consider refactoring.

Open

func (i *ImageService) resolveAllReferences(ctx context.Context, refOrID string) (*containerdimages.Image, []containerdimages.Image, error) {
    parsed, err := reference.ParseAnyReference(refOrID)
    if err != nil {
        return nil, nil, errdefs.InvalidParameter(err)
    }

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File agent.go has 782 lines of code (exceeds 500 allowed). Consider refactoring.

Open

package libnetwork

//go:generate protoc -I=. -I=../vendor/ --gogofaster_out=import_path=github.com/docker/docker/libnetwork:. agent.proto

import (

Function check_network has a Cognitive Complexity of 56 (exceeds 5 allowed). Consider refactoring.

Open

def check_network(nw_name, ingress=False):

    print "Verifying LB programming for containers on network %s" % nw_name

    data = cli.inspect_network(nw_name, verbose=True)

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Consider simplifying this complex logical expression.

Open

    if resources.CPUShares != 0 ||
        resources.Memory != 0 ||
        resources.NanoCPUs != 0 ||
        resources.CgroupParent != "" ||
        resources.BlkioWeight != 0 ||

Function compare has a Cognitive Complexity of 70 (exceeds 20 allowed). Consider refactoring.

Open

func compare(a, b *container.Config) bool {
    if a == nil || b == nil {
        return false
    }

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File plugin.pb.go has 763 lines of code (exceeds 500 allowed). Consider refactoring.

Open

// Code generated by protoc-gen-gogo. DO NOT EDIT.
// source: plugin.proto

package runtime

Method Builder.Build has a Cognitive Complexity of 67 (exceeds 20 allowed). Consider refactoring.

Open

func (b *Builder) Build(ctx context.Context, opt backend.BuildConfig) (*builder.Result, error) {
    if len(opt.Options.Outputs) > 1 {
        return nil, errors.Errorf("multiple outputs not supported")
    }

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Method ImageService.ImageDelete has a Cognitive Complexity of 66 (exceeds 20 allowed). Consider refactoring.

Open

func (i *ImageService) ImageDelete(ctx context.Context, imageRef string, force, prune bool) (response []imagetypes.DeleteResponse, retErr error) {
    start := time.Now()
    defer func() {
        if retErr == nil {
            dimages.ImageActions.WithValues("delete").UpdateSince(start)

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Method client.createWindows has a Cognitive Complexity of 65 (exceeds 20 allowed). Consider refactoring.

Open

func (c *client) createWindows(id string, spec *specs.Spec, runtimeOptions interface{}) (*container, error) {
    logger := c.logger.WithField("container", id)
    configuration := &hcsshim.ContainerConfig{
        SystemType:              "Container",
        Name:                    id,

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Function merge has a Cognitive Complexity of 64 (exceeds 20 allowed). Consider refactoring.

Open

func merge(userConf, imageConf *containertypes.Config) error {
    if userConf.User == "" {
        userConf.User = imageConf.User
    }
    if len(userConf.ExposedPorts) == 0 {

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Method Endpoint.sbJoin has a Cognitive Complexity of 63 (exceeds 20 allowed). Consider refactoring.

Open

func (ep *Endpoint) sbJoin(sb *Sandbox, options ...EndpointOption) (err error) {
    n, err := ep.getNetworkFromStore()
    if err != nil {
        return fmt.Errorf("failed to get network from store during join: %v", err)
    }

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Method Daemon.fillPlatformInfo has a Cognitive Complexity of 63 (exceeds 20 allowed). Consider refactoring.

Open

func (daemon *Daemon) fillPlatformInfo(ctx context.Context, v *system.Info, sysInfo *sysinfo.SysInfo, cfg *configStore) error {
    v.CgroupDriver = cgroupDriver(&cfg.Config)
    v.CgroupVersion = "1"
    if sysInfo.CgroupUnified {
        v.CgroupVersion = "2"

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Method ImageService.ImagesPrune has a Cognitive Complexity of 63 (exceeds 20 allowed). Consider refactoring.

Open

func (i *ImageService) ImagesPrune(ctx context.Context, pruneFilters filters.Args) (*types.ImagesPruneReport, error) {
    if !atomic.CompareAndSwapInt32(&i.pruneRunning, 0, 1) {
        return nil, errPruneRunning
    }
    defer atomic.StoreInt32(&i.pruneRunning, 0)

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Method driver.Join has a Cognitive Complexity of 62 (exceeds 20 allowed). Consider refactoring.

Open

func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
    n, err := d.getNetwork(nid)
    if err != nil {
        return err
    }

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File entry.pb.go has 714 lines of code (exceeds 500 allowed). Consider refactoring.

Open

// Code generated by protoc-gen-gogo. DO NOT EDIT.
// source: entry.proto

package logdriver

Method IPTable.ProgramChain has a Cognitive Complexity of 61 (exceeds 20 allowed). Consider refactoring.

Open

func (iptable IPTable) ProgramChain(c *ChainInfo, bridgeName string, hairpinMode, enable bool) error {
    if c.Name == "" {
        return errors.New("could not program chain, missing chain name")
    }

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Method ImageService.ImageDelete has a Cognitive Complexity of 61 (exceeds 20 allowed). Consider refactoring.

Open

func (i *ImageService) ImageDelete(ctx context.Context, imageRef string, force, prune bool) ([]imagetypes.DeleteResponse, error) {
    start := time.Now()
    records := []imagetypes.DeleteResponse{}

    img, err := i.GetImage(ctx, imageRef, backend.GetImageOpts{})

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File windows.go has 708 lines of code (exceeds 500 allowed). Consider refactoring.

Open

//go:build windows

// Shim for the Host Network Service (HNS) to manage networking for
// Windows Server containers and Hyper-V containers. This module
// is a basic libnetwork driver that passes all the calls to HNS