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daemon/containerfs_linux.go

Summary

Maintainability
C
1 day
Test Coverage

Method Daemon.openContainerFS has a Cognitive Complexity of 68 (exceeds 20 allowed). Consider refactoring.
Open

func (daemon *Daemon) openContainerFS(ctr *container.Container) (_ *containerFSView, retErr error) {
    ctx := context.TODO()

    if err := daemon.Mount(ctr); err != nil {
        return nil, err
Severity: Minor
Found in daemon/containerfs_linux.go - About 1 day to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method Daemon.openContainerFS has 100 lines of code (exceeds 50 allowed). Consider refactoring.
Open

func (daemon *Daemon) openContainerFS(ctr *container.Container) (_ *containerFSView, retErr error) {
    ctx := context.TODO()

    if err := daemon.Mount(ctr); err != nil {
        return nil, err
Severity: Major
Found in daemon/containerfs_linux.go - About 3 hrs to fix

    Method Daemon.openContainerFS has 14 return statements (exceeds 4 allowed).
    Open

    func (daemon *Daemon) openContainerFS(ctr *container.Container) (_ *containerFSView, retErr error) {
    ctx := context.TODO()

    if err := daemon.Mount(ctr); err != nil {
        return nil, err
    Severity: Major
    Found in daemon/containerfs_linux.go - About 1 hr to fix

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