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docker/swarmkit

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manager/controlapi/task.go

Summary

Maintainability
D
1 day
Test Coverage

Method Server.ListTasks has a Cognitive Complexity of 38 (exceeds 20 allowed). Consider refactoring.
Open

func (s *Server) ListTasks(ctx context.Context, request *api.ListTasksRequest) (*api.ListTasksResponse, error) {
    var (
        tasks []*api.Task
        err   error
    )
Severity: Minor
Found in manager/controlapi/task.go - About 3 hrs 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 Server.ListTasks has 89 lines of code (exceeds 50 allowed). Consider refactoring.
Open

func (s *Server) ListTasks(ctx context.Context, request *api.ListTasksRequest) (*api.ListTasksResponse, error) {
    var (
        tasks []*api.Task
        err   error
    )
Severity: Major
Found in manager/controlapi/task.go - About 2 hrs to fix

    Method Server.ListTasks has 18 return statements (exceeds 4 allowed).
    Open

    func (s *Server) ListTasks(ctx context.Context, request *api.ListTasksRequest) (*api.ListTasksResponse, error) {
    var (
        tasks []*api.Task
        err   error
    )
    Severity: Major
    Found in manager/controlapi/task.go - About 1 hr to fix

      Method Server.RemoveTask has 5 return statements (exceeds 4 allowed).
      Open

      func (s *Server) RemoveTask(ctx context.Context, request *api.RemoveTaskRequest) (*api.RemoveTaskResponse, error) {
    if request.TaskID == "" {
        return nil, status.Errorf(codes.InvalidArgument, errInvalidArgument.Error())
    }
      Severity: Major
      Found in manager/controlapi/task.go - About 35 mins to fix

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

        func (s *Server) RemoveTask(ctx context.Context, request *api.RemoveTaskRequest) (*api.RemoveTaskResponse, error) {
    if request.TaskID == "" {
        return nil, status.Errorf(codes.InvalidArgument, errInvalidArgument.Error())
    }
        Severity: Major
        Found in manager/controlapi/task.go and 1 other location - About 2 hrs to fix
        manager/controlapi/service.go on lines 943..958

        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 218.

        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 2 locations. Consider refactoring.
        Open

        func (s *Server) GetTask(ctx context.Context, request *api.GetTaskRequest) (*api.GetTaskResponse, error) {
    if request.TaskID == "" {
        return nil, status.Errorf(codes.InvalidArgument, errInvalidArgument.Error())
    }
        Severity: Major
        Found in manager/controlapi/task.go and 1 other location - About 2 hrs to fix
        manager/controlapi/network.go on lines 139..154

        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 214.

        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 6 locations. Consider refactoring.
        Open

        func filterTasks(candidates []*api.Task, filters ...func(*api.Task) bool) []*api.Task {
    result := []*api.Task{}

    for _, c := range candidates {
        match := true
        Severity: Major
        Found in manager/controlapi/task.go and 5 other locations - About 1 hr to fix
        manager/controlapi/cluster.go on lines 186..203
        manager/controlapi/network.go on lines 236..253
        manager/controlapi/node.go on lines 59..76
        manager/controlapi/service.go on lines 960..977
        manager/controlapi/volume.go on lines 204..220

        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 140.

        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 3 locations. Consider refactoring.
        Open

                case request.Filters != nil && len(request.Filters.DesiredStates) > 0:
            filters := make([]store.By, 0, len(request.Filters.DesiredStates))
            for _, v := range request.Filters.DesiredStates {
                filters = append(filters, store.ByDesiredState(v))
            }
        Severity: Major
        Found in manager/controlapi/task.go and 2 other locations - About 50 mins to fix
        manager/controlapi/node.go on lines 92..97
        manager/controlapi/node.go on lines 98..103

        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 120.

        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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