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api/server/router/container/exec.go

Summary

Maintainability
C
7 hrs
Test Coverage

Method containerRouter.postContainerExecStart has 66 lines of code (exceeds 50 allowed). Consider refactoring.
Open

func (c *containerRouter) postContainerExecStart(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
    if err := httputils.ParseForm(r); err != nil {
        return err
    }
Severity: Minor
Found in api/server/router/container/exec.go - About 1 hr to fix

    Method containerRouter.postContainerExecStart has a Cognitive Complexity of 26 (exceeds 20 allowed). Consider refactoring.
    Open

    func (c *containerRouter) postContainerExecStart(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
    if err := httputils.ParseForm(r); err != nil {
        return err
    }
    Severity: Minor
    Found in api/server/router/container/exec.go - About 1 hr 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 containerRouter.postContainerExecStart has 7 return statements (exceeds 4 allowed).
    Open

    func (c *containerRouter) postContainerExecStart(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
    if err := httputils.ParseForm(r); err != nil {
        return err
    }
    Severity: Major
    Found in api/server/router/container/exec.go - About 45 mins to fix

      Method containerRouter.postContainerExecCreate has 5 return statements (exceeds 4 allowed).
      Open

      func (c *containerRouter) postContainerExecCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
    if err := httputils.ParseForm(r); err != nil {
        return err
    }
      Severity: Major
      Found in api/server/router/container/exec.go - About 35 mins to fix

        Similar blocks of code found in 2 locations. Consider refactoring.
        Open

        func (c *containerRouter) postContainerExecResize(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
    if err := httputils.ParseForm(r); err != nil {
        return err
    }
    height, err := httputils.Uint32Value(r, "h")
        Severity: Major
        Found in api/server/router/container/exec.go and 1 other location - About 2 hrs to fix
        api/server/router/container/container_routes.go on lines 895..910

        Duplicated Code

        Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

        Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

        When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

        Tuning

        This issue has a mass of 230.

        We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

        The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

        If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

        See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

        Refactorings

        Further Reading

        Similar blocks of code found in 4 locations. Consider refactoring.
        Open

        func (c *containerRouter) getExecByID(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
    eConfig, err := c.backend.ContainerExecInspect(vars["id"])
    if err != nil {
        return err
    }
        Severity: Major
        Found in api/server/router/container/exec.go and 3 other locations - About 45 mins to fix
        api/server/router/plugin/plugin_routes.go on lines 288..294
        api/server/router/swarm/cluster_routes.go on lines 464..471
        api/server/router/swarm/cluster_routes.go on lines 536..543

        Duplicated Code

        Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

        Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

        When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

        Tuning

        This issue has a mass of 117.

        We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

        The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

        If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

        See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

        Refactorings

        Further Reading

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